======================================
| [   16.055080][  T392] softirqs last disabled at (26803): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   16.055082][  T392] Preemption disabled at:
| [   16.055083][  T392] 0x0
| [   16.055093][  T392] Tainted: [W]=WARN
[   16.055094][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.055095][  T392] Call Trace:
[   16.055096][  T392]  <TASK>
[   16.055098][  T392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.055104][  T392]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.055109][  T392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.055113][  T392]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.055118][  T392]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.055120][  T392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.055127][  T392]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.055130][  T392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.055134][  T392]  put_chars (drivers/char/virtio_console.c:1176)
[   16.055136][  T392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.055138][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.055141][  T392]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.055147][  T392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.055156][  T392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.055159][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.055161][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.055165][  T392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.055170][  T392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.055171][  T392]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.055175][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.055177][  T392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.055181][  T392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.055186][  T392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.055188][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.055194][  T392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.055197][  T392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.055199][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.055201][  T392]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   16.055205][  T392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.055206][  T392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.055209][  T392]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.055213][  T392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.055216][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.055220][  T392]  _printk (kernel/printk/printk.c:2504)
[   16.055224][  T392]  ? snapshot_read.cold (user.c:?)
[   16.055227][  T392]  ? 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)
[   16.055230][  T392]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   16.055234][  T392]  ? 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)
[   16.055237][  T392]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   16.055241][  T392]  ? exit_notify (kernel/exit.c:780)
[   16.055242][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.055245][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.055249][  T392]  do_group_exit (kernel/exit.c:1151)
[   16.055252][  T392]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   16.055254][  T392]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   16.055256][  T392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.055261][  T392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.055264][  T392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.055266][  T392] RIP: 0033:0x7f873ef2c1b8
[   16.055268][  T392] Code: Unable to access opcode bytes at 0x7f873ef2c18e.

Code starting with the faulting instruction
===========================================
[   16.055269][  T392] RSP: 002b:00007ffd60c61c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   16.055271][  T392] RAX: ffffffffffffffda RBX: 00007f873f05cf88 RCX: 00007f873ef2c1b8
[   16.055273][  T392] RDX: 00007f873ec76fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   16.055274][  T392] RBP: 00007ffd60c61cc0 R08: 0000000000000000 R09: 0000000000000050
[   16.055274][  T392] R10: 00007ffd60c61a80 R11: 0000000000000246 R12: 0000000000000001
[   16.055275][  T392] R13: 0000000000000000 R14: 00007f873f05b680 R15: 00007f873f05cfa0
| [   32.120063][  T942] softirqs last disabled at (38719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   32.120066][  T942] Preemption disabled at:
| [   32.120066][  T942] 0x0
| [   32.120076][  T942] Tainted: [W]=WARN
[   32.120077][  T942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.120078][  T942] Call Trace:
[   32.120080][  T942]  <TASK>
[   32.120081][  T942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.120087][  T942]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.120092][  T942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.120097][  T942]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.120101][  T942]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.120103][  T942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.120111][  T942]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.120114][  T942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.120118][  T942]  put_chars (drivers/char/virtio_console.c:1176)
[   32.120120][  T942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.120122][  T942]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.120125][  T942]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.120132][  T942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.120140][  T942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.120143][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.120145][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.120149][  T942]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.120154][  T942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.120156][  T942]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   32.120159][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.120161][  T942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.120165][  T942]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.120170][  T942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.120172][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.120178][  T942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.120181][  T942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.120183][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.120185][  T942]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   32.120189][  T942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.120190][  T942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.120193][  T942]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.120197][  T942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.120200][  T942]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.120204][  T942]  _printk (kernel/printk/printk.c:2504)
[   32.120208][  T942]  ? snapshot_read.cold (user.c:?)
[   32.120211][  T942]  ? 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)
[   32.120213][  T942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.120218][  T942]  ? 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)
[   32.120221][  T942]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   32.120225][  T942]  ? exit_notify (kernel/exit.c:780)
[   32.120226][  T942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.120229][  T942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.120233][  T942]  do_group_exit (kernel/exit.c:1151)
[   32.120236][  T942]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   32.120238][  T942]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   32.120240][  T942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.120244][  T942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.120247][  T942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.120250][  T942] RIP: 0033:0x7fb86a2e91b8
[   32.120252][  T942] Code: Unable to access opcode bytes at 0x7fb86a2e918e.

Code starting with the faulting instruction
===========================================
[   32.120253][  T942] RSP: 002b:00007fffa7ff1338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   32.120255][  T942] RAX: ffffffffffffffda RBX: 00007fb86a419f88 RCX: 00007fb86a2e91b8
[   32.120257][  T942] RDX: 00007fb86a034588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   32.120258][  T942] RBP: 00007fffa7ff1390 R08: 0000000000000000 R09: 0000000000000000
[   32.120259][  T942] R10: 00007fffa7ff1130 R11: 0000000000000246 R12: 0000000000000001
[   32.120259][  T942] R13: 0000000000000000 R14: 00007fb86a418680 R15: 00007fb86a419fa0
| [   33.909958][ T1016] softirqs last disabled at (26447): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   33.909960][ T1016] Preemption disabled at:
| [   33.909961][ T1016] 0x0
| [   33.909971][ T1016] Tainted: [W]=WARN
[   33.909972][ T1016] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.909973][ T1016] Call Trace:
[   33.909975][ T1016]  <TASK>
[   33.909976][ T1016]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.909983][ T1016]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.909987][ T1016]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.909991][ T1016]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.909996][ T1016]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.909998][ T1016]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.910006][ T1016]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.910009][ T1016]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.910012][ T1016]  put_chars (drivers/char/virtio_console.c:1176)
[   33.910015][ T1016]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.910016][ T1016]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.910020][ T1016]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.910026][ T1016]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.910039][ T1016]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.910042][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.910044][ T1016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.910049][ T1016]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.910053][ T1016]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.910055][ T1016]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   33.910058][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.910060][ T1016]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.910064][ T1016]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.910069][ T1016]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.910071][ T1016]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.910077][ T1016]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.910080][ T1016]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.910082][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.910084][ T1016]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.910088][ T1016]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.910089][ T1016]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.910092][ T1016]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.910096][ T1016]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.910099][ T1016]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.910103][ T1016]  _printk (kernel/printk/printk.c:2504)
[   33.910106][ T1016]  ? snapshot_read.cold (user.c:?)
[   33.910109][ T1016]  ? 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)
[   33.910112][ T1016]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.910116][ T1016]  ? 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)
[   33.910119][ T1016]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   33.910123][ T1016]  ? exit_notify (kernel/exit.c:780)
[   33.910124][ T1016]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.910127][ T1016]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.910131][ T1016]  do_group_exit (kernel/exit.c:1151)
[   33.910134][ T1016]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   33.910136][ T1016]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   33.910138][ T1016]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.910142][ T1016]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.910145][ T1016]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.910148][ T1016] RIP: 0033:0x7fb8ceeaf1b8
[   33.910150][ T1016] Code: Unable to access opcode bytes at 0x7fb8ceeaf18e.

Code starting with the faulting instruction
===========================================
[   33.910151][ T1016] RSP: 002b:00007ffc87199388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   33.910153][ T1016] RAX: ffffffffffffffda RBX: 00007fb8cefdff88 RCX: 00007fb8ceeaf1b8
[   33.910154][ T1016] RDX: 00007fb8cebf9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   33.910155][ T1016] RBP: 00007ffc871993e0 R08: 0000000000000000 R09: 0000000000000050
[   33.910156][ T1016] R10: 00007ffc871991a0 R11: 0000000000000246 R12: 0000000000000001
[   33.910157][ T1016] R13: 0000000000000000 R14: 00007fb8cefde680 R15: 00007fb8cefdffa0
| [  135.545662][ T4015] softirqs last disabled at (34042): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  135.545665][ T4015] Preemption disabled at:
| [  135.545666][ T4015] vprintk_emit (kernel/printk/printk.c:2471)
| [  135.545674][ T4015] Tainted: [W]=WARN
[  135.545675][ T4015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  135.545677][ T4015] Call Trace:
[  135.545678][ T4015]  <TASK>
[  135.545680][ T4015]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  135.545686][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  135.545688][ T4015]  __might_resched.cold (kernel/sched/core.c:9234)
[  135.545695][ T4015]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  135.545699][ 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)
[  135.545704][ 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))
[  135.545706][ T4015]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.545713][ 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)
[  135.545716][ T4015]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.545720][ T4015]  put_chars (drivers/char/virtio_console.c:1176)
[  135.545723][ T4015]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  135.545726][ T4015]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  135.545732][ T4015]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  135.545741][ T4015]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  135.545744][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545747][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.545751][ T4015]  console_emit_next_record (kernel/printk/printk.c:3183)
[  135.545756][ T4015]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  135.545758][ 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))
[  135.545761][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545763][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.545768][ T4015]  console_flush_one_record (kernel/printk/printk.c:3268)
[  135.545772][ T4015]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  135.545774][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.545781][ T4015]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  135.545784][ T4015]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  135.545786][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545788][ 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)
[  135.545792][ T4015]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  135.545794][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  135.545797][ T4015]  vprintk_emit (kernel/printk/printk.c:2479)
[  135.545800][ T4015]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  135.545802][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  135.545804][ T4015]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  135.545809][ T4015]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  135.545813][ T4015]  _printk (kernel/printk/printk.c:2504)
[  135.545816][ T4015]  ? snapshot_read.cold (user.c:?)
[  135.545820][ T4015]  ? br_multicast_flood (??:?)
[  135.545823][ T4015]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  135.545825][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  135.545826][ T4015]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  135.545831][ T4015]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  135.545836][ T4015]  br_init_port (net/bridge/br_stp_if.c:39)
[  135.545838][ T4015]  new_nbp (net/bridge/br_if.c:449)
[  135.545842][ T4015]  br_add_if (net/bridge/br_if.c:592)
[  135.545845][ T4015]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  135.545849][ T4015]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  135.545855][ T4015]  do_set_master (net/core/rtnetlink.c:3071)
[  135.545859][ T4015]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  135.545865][ T4015]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  135.545870][ T4015]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  135.545871][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  135.545874][ T4015]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  135.545878][ T4015]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  135.545880][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  135.545882][ T4015]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  135.545885][ T4015]  ? kasan_save_stack (mm/kasan/common.c:58)
[  135.545887][ T4015]  ? kasan_save_stack (mm/kasan/common.c:57)
[  135.545888][ T4015]  ? kasan_save_track (mm/kasan/common.c:78)
[  135.545890][ T4015]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  135.545892][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.545894][ T4015]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  135.545897][ T4015]  ? ___sys_sendmsg (net/socket.c:2758)
[  135.545901][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  135.545903][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  135.545906][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545908][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.545910][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545911][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545913][ T4015]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  135.545915][ 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)
[  135.545917][ T4015]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  135.545919][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  135.545923][ T4015]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  135.545924][ T4015]  ? nla_get_range_signed (lib/nlattr.c:270)
[  135.545930][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.545932][ T4015]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  135.545938][ T4015]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  135.545945][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  135.545947][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.545952][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  135.545954][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  135.545957][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  135.545959][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  135.545963][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  135.545965][ T4015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  135.545969][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  135.545970][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  135.545975][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  135.545978][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  135.545982][ T4015]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  135.545985][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  135.545988][ T4015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  135.545996][ 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))
[  135.545998][ 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))
[  135.546003][ T4015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  135.546008][ T4015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  135.546010][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  135.546015][ T4015]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  135.546020][ T4015]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  135.546024][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  135.546026][ T4015]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  135.546032][ T4015]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  135.546035][ T4015]  ____sys_sendmsg (net/socket.c:2713)
[  135.546038][ T4015]  ? copy_msghdr_from_user (net/socket.c:2650)
[  135.546040][ T4015]  ? sock_write_iter (net/socket.c:1269)
[  135.546042][ T4015]  ? move_addr_to_kernel (net/socket.c:258)
[  135.546051][ T4015]  ___sys_sendmsg (net/socket.c:2767)
[  135.546054][ T4015]  ? copy_msghdr_from_user (net/socket.c:2619)
[  135.546073][ T4015]  __sys_sendmsg (net/socket.c:2799)
[  135.546076][ T4015]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  135.546084][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.546087][ T4015]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  135.546090][ T4015]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  135.546094][ T4015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  135.546096][ T4015] RIP: 0033:0x7ff85d00454e
[  135.546100][ 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
[  135.546102][ T4015] RSP: 002b:00007ffd4e157420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  135.546105][ T4015] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff85d00454e
[  135.546106][ T4015] RDX: 0000000000000000 RSI: 00007ffd4e1574d0 RDI: 0000000000000005
[  135.546107][ T4015] RBP: 00007ffd4e157430 R08: 0000000000000000 R09: 0000000000000000
[  135.546108][ T4015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915108
[  135.546109][ T4015] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4e157b90
| [  139.903894][   T70] softirqs last disabled at (4462453): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  139.903896][   T70] Preemption disabled at:
| [  139.903897][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  139.903906][   T70] Tainted: [W]=WARN
[  139.903907][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  139.903908][   T70] Workqueue: netns cleanup_net
[  139.903912][   T70] Call Trace:
[  139.903913][   T70]  <TASK>
[  139.903915][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  139.903921][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  139.903923][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  139.903927][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.903932][   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)
[  139.903937][   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))
[  139.903939][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.903946][   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)
[  139.903949][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.903953][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  139.903956][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  139.903960][   T70]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  139.903965][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  139.903969][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.903975][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  139.903979][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.903985][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  139.903990][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  139.903992][   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))
[  139.903996][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.903998][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.904002][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  139.904007][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  139.904009][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.904015][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  139.904019][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  139.904020][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.904022][   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)
[  139.904027][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  139.904029][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  139.904032][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  139.904036][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  139.904037][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  139.904039][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.904041][   T70]  ? kthread (kernel/kthread.c:436)
[  139.904043][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  139.904046][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  139.904052][   T70]  _printk (kernel/printk/printk.c:2504)
[  139.904056][   T70]  ? snapshot_read.cold (user.c:?)
[  139.904061][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  139.904065][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  139.904069][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  139.904072][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  139.904077][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.904079][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  139.904082][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  139.904084][   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)
[  139.904087][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  139.904092][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  139.904096][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  139.904103][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  139.904107][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  139.904111][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  139.904115][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  139.904118][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  139.904120][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  139.904123][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  139.904129][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  139.904132][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  139.904136][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.904138][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.904142][   T70]  process_one_work (kernel/workqueue.c:3387)
[  139.904150][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  139.904154][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  139.904163][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.904168][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.904170][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  139.904173][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.904176][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.904178][   T70]  kthread (kernel/kthread.c:436)
[  139.904180][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.904184][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.904187][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  139.904190][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  139.904194][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  139.904197][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.904200][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  143.891361][ T4230] softirqs last disabled at (39514): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  143.891364][ T4230] Preemption disabled at:
| [  143.891364][ T4230] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.891373][ T4230] Tainted: [W]=WARN
[  143.891374][ T4230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.891376][ T4230] Call Trace:
[  143.891377][ T4230]  <TASK>
[  143.891379][ T4230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.891386][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.891387][ T4230]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.891392][ T4230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.891396][ 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)
[  143.891401][ 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))
[  143.891403][ T4230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.891410][ 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)
[  143.891413][ T4230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.891417][ T4230]  put_chars (drivers/char/virtio_console.c:1176)
[  143.891420][ T4230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.891421][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  143.891425][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  143.891431][ T4230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.891440][ T4230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.891443][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891445][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.891449][ T4230]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.891454][ T4230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.891456][ 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))
[  143.891459][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891461][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.891466][ T4230]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.891471][ T4230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.891473][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.891479][ T4230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.891482][ T4230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.891484][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891486][ 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)
[  143.891490][ T4230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.891492][ T4230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.891495][ T4230]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.891499][ T4230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.891500][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.891503][ T4230]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  143.891507][ T4230]  _printk (kernel/printk/printk.c:2504)
[  143.891511][ T4230]  ? snapshot_read.cold (user.c:?)
[  143.891515][ T4230]  ? br_multicast_flood (??:?)
[  143.891519][ T4230]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  143.891520][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.891521][ T4230]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.891526][ T4230]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  143.891531][ T4230]  br_init_port (net/bridge/br_stp_if.c:39)
[  143.891534][ T4230]  new_nbp (net/bridge/br_if.c:449)
[  143.891538][ T4230]  br_add_if (net/bridge/br_if.c:592)
[  143.891541][ T4230]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  143.891544][ T4230]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  143.891551][ T4230]  do_set_master (net/core/rtnetlink.c:3071)
[  143.891555][ T4230]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  143.891559][ T4230]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  143.891562][ T4230]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  143.891564][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  143.891566][ T4230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  143.891570][ T4230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  143.891572][ T4230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  143.891574][ T4230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  143.891577][ T4230]  ? kasan_save_stack (mm/kasan/common.c:58)
[  143.891579][ T4230]  ? kasan_save_stack (mm/kasan/common.c:57)
[  143.891580][ T4230]  ? kasan_save_track (mm/kasan/common.c:78)
[  143.891582][ T4230]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  143.891584][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.891586][ T4230]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  143.891589][ T4230]  ? ___sys_sendmsg (net/socket.c:2758)
[  143.891594][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.891596][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  143.891598][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891600][ T4230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.891602][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891603][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891605][ T4230]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  143.891607][ 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)
[  143.891610][ T4230]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  143.891612][ T4230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  143.891616][ T4230]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  143.891617][ T4230]  ? nla_get_range_signed (lib/nlattr.c:270)
[  143.891622][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891625][ T4230]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  143.891631][ T4230]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.891644][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.891646][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.891651][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.891653][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.891656][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.891658][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.891662][ T4230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.891664][ T4230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.891667][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.891669][ T4230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.891675][ T4230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.891677][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.891681][ T4230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.891684][ T4230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.891688][ T4230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.891695][ 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))
[  143.891697][ 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))
[  143.891702][ T4230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.891707][ T4230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.891709][ T4230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.891714][ T4230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.891719][ T4230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.891723][ T4230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.891724][ T4230]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  143.891730][ T4230]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  143.891733][ T4230]  ____sys_sendmsg (net/socket.c:2713)
[  143.891736][ T4230]  ? copy_msghdr_from_user (net/socket.c:2650)
[  143.891738][ T4230]  ? sock_write_iter (net/socket.c:1269)
[  143.891740][ T4230]  ? move_addr_to_kernel (net/socket.c:258)
[  143.891749][ T4230]  ___sys_sendmsg (net/socket.c:2767)
[  143.891752][ T4230]  ? copy_msghdr_from_user (net/socket.c:2619)
[  143.891771][ T4230]  __sys_sendmsg (net/socket.c:2799)
[  143.891773][ T4230]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  143.891781][ T4230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.891784][ T4230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.891787][ T4230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.891790][ T4230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.891792][ T4230] RIP: 0033:0x7f34c322154e
[  143.891796][ 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
[  143.891798][ T4230] RSP: 002b:00007ffe96dbe5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  143.891801][ T4230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f34c322154e
[  143.891802][ T4230] RDX: 0000000000000000 RSI: 00007ffe96dbe680 RDI: 0000000000000005
[  143.891803][ T4230] RBP: 00007ffe96dbe5e0 R08: 0000000000000000 R09: 0000000000000000
[  143.891804][ T4230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915111
[  143.891805][ T4230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe96dbed40
| [  148.116953][   T70] softirqs last disabled at (4669056): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  148.116957][   T70] Preemption disabled at:
| [  148.116957][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.116966][   T70] Tainted: [W]=WARN
[  148.116967][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.116968][   T70] Workqueue: netns cleanup_net
[  148.116971][   T70] Call Trace:
[  148.116973][   T70]  <TASK>
[  148.116975][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.116982][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.116983][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.116988][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.116992][   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)
[  148.116997][   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))
[  148.116999][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.117007][   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)
[  148.117010][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.117014][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  148.117016][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.117018][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  148.117022][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  148.117024][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  148.117030][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.117034][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.117041][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.117044][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.117050][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.117055][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.117056][   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))
[  148.117060][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.117062][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.117067][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.117072][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.117074][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  148.117080][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.117084][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.117086][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.117087][   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)
[  148.117092][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.117094][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.117097][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.117101][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.117102][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  148.117104][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.117106][   T70]  ? kthread (kernel/kthread.c:436)
[  148.117108][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  148.117111][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  148.117117][   T70]  _printk (kernel/printk/printk.c:2504)
[  148.117120][   T70]  ? snapshot_read.cold (user.c:?)
[  148.117125][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  148.117129][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  148.117134][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  148.117137][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  148.117142][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.117144][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  148.117147][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  148.117149][   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)
[  148.117152][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  148.117157][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  148.117160][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  148.117168][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  148.117172][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  148.117176][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  148.117180][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  148.117184][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  148.117186][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  148.117189][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  148.117195][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  148.117198][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  148.117202][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.117205][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.117209][   T70]  process_one_work (kernel/workqueue.c:3387)
[  148.117217][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  148.117220][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  148.117229][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.117234][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.117237][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  148.117240][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.117243][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.117245][   T70]  kthread (kernel/kthread.c:436)
[  148.117247][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.117250][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.117253][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  148.117256][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  148.117260][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  148.117264][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.117267][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  151.856028][ T4432] softirqs last disabled at (28420): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  151.856030][ T4432] Preemption disabled at:
| [  151.856031][ T4432] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.856040][ T4432] Tainted: [W]=WARN
[  151.856041][ T4432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.856042][ T4432] Call Trace:
[  151.856044][ T4432]  <TASK>
[  151.856046][ T4432]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.856052][ T4432]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.856054][ T4432]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.856059][ T4432]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.856064][ 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)
[  151.856068][ 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))
[  151.856071][ T4432]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.856078][ 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)
[  151.856081][ T4432]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.856085][ T4432]  put_chars (drivers/char/virtio_console.c:1176)
[  151.856087][ T4432]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.856089][ T4432]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  151.856092][ T4432]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  151.856099][ T4432]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.856107][ T4432]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.856110][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856112][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.856117][ T4432]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.856122][ T4432]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.856124][ 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))
[  151.856127][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856129][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.856134][ T4432]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.856139][ T4432]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.856141][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.856147][ T4432]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.856150][ T4432]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.856152][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856154][ 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)
[  151.856159][ T4432]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.856160][ T4432]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.856164][ T4432]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.856167][ T4432]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.856169][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  151.856172][ T4432]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  151.856176][ T4432]  _printk (kernel/printk/printk.c:2504)
[  151.856180][ T4432]  ? snapshot_read.cold (user.c:?)
[  151.856184][ T4432]  ? br_multicast_flood (??:?)
[  151.856188][ T4432]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  151.856189][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  151.856190][ T4432]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.856196][ T4432]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  151.856200][ T4432]  br_init_port (net/bridge/br_stp_if.c:39)
[  151.856203][ T4432]  new_nbp (net/bridge/br_if.c:449)
[  151.856208][ T4432]  br_add_if (net/bridge/br_if.c:592)
[  151.856210][ T4432]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  151.856215][ T4432]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.856221][ T4432]  do_set_master (net/core/rtnetlink.c:3071)
[  151.856225][ T4432]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  151.856229][ T4432]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  151.856233][ T4432]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  151.856234][ T4432]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  151.856237][ T4432]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  151.856240][ T4432]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  151.856242][ T4432]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  151.856244][ T4432]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  151.856247][ T4432]  ? kasan_save_stack (mm/kasan/common.c:58)
[  151.856249][ T4432]  ? kasan_save_stack (mm/kasan/common.c:57)
[  151.856251][ T4432]  ? kasan_save_track (mm/kasan/common.c:78)
[  151.856252][ T4432]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  151.856254][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.856256][ T4432]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  151.856259][ T4432]  ? ___sys_sendmsg (net/socket.c:2758)
[  151.856264][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  151.856266][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  151.856269][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856271][ T4432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.856272][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856273][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856275][ T4432]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  151.856278][ 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)
[  151.856280][ T4432]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  151.856282][ T4432]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  151.856286][ T4432]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  151.856288][ T4432]  ? nla_get_range_signed (lib/nlattr.c:270)
[  151.856293][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856296][ T4432]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  151.856302][ T4432]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  151.856308][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.856311][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.856316][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  151.856318][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  151.856320][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.856322][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  151.856327][ T4432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.856329][ T4432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.856332][ T4432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.856334][ T4432]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  151.856339][ T4432]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  151.856341][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  151.856345][ T4432]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.856348][ T4432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.856352][ T4432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.856360][ 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))
[  151.856362][ 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))
[  151.856367][ T4432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.856372][ T4432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.856374][ T4432]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  151.856379][ T4432]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.856384][ T4432]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.856389][ T4432]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  151.856390][ T4432]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  151.856397][ T4432]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.856400][ T4432]  ____sys_sendmsg (net/socket.c:2713)
[  151.856402][ T4432]  ? copy_msghdr_from_user (net/socket.c:2650)
[  151.856405][ T4432]  ? sock_write_iter (net/socket.c:1269)
[  151.856406][ T4432]  ? move_addr_to_kernel (net/socket.c:258)
[  151.856416][ T4432]  ___sys_sendmsg (net/socket.c:2767)
[  151.856419][ T4432]  ? copy_msghdr_from_user (net/socket.c:2619)
[  151.856439][ T4432]  __sys_sendmsg (net/socket.c:2799)
[  151.856442][ T4432]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  151.856450][ T4432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.856453][ T4432]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.856457][ T4432]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.856460][ T4432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.856462][ T4432] RIP: 0033:0x7f6919a9d54e
[  151.856466][ 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
[  151.856468][ T4432] RSP: 002b:00007ffc268a82c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  151.856470][ T4432] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6919a9d54e
[  151.856472][ T4432] RDX: 0000000000000000 RSI: 00007ffc268a8370 RDI: 0000000000000005
[  151.856473][ T4432] RBP: 00007ffc268a82d0 R08: 0000000000000000 R09: 0000000000000000
[  151.856474][ T4432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915119
[  151.856474][ T4432] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc268a8a30
| [  156.053761][   T70] softirqs last disabled at (4914692): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  156.053765][   T70] Preemption disabled at:
| [  156.053766][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  156.053774][   T70] Tainted: [W]=WARN
[  156.053775][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.053776][   T70] Workqueue: netns cleanup_net
[  156.053779][   T70] Call Trace:
[  156.053781][   T70]  <TASK>
[  156.053783][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  156.053790][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  156.053791][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  156.053796][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  156.053800][   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)
[  156.053805][   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))
[  156.053807][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.053814][   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)
[  156.053817][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.053821][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  156.053824][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  156.053825][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  156.053829][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  156.053832][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  156.053837][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  156.053841][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.053847][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  156.053850][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.053856][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  156.053860][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  156.053862][   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))
[  156.053865][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.053867][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.053872][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  156.053877][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  156.053879][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.053885][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  156.053888][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  156.053890][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.053892][   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)
[  156.053896][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  156.053898][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  156.053901][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  156.053905][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  156.053906][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  156.053908][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  156.053910][   T70]  ? kthread (kernel/kthread.c:436)
[  156.053912][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  156.053915][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  156.053920][   T70]  _printk (kernel/printk/printk.c:2504)
[  156.053924][   T70]  ? snapshot_read.cold (user.c:?)
[  156.053929][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  156.053933][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  156.053937][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  156.053940][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  156.053945][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.053947][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  156.053950][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  156.053952][   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)
[  156.053954][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  156.053959][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  156.053963][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  156.053969][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  156.053973][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  156.053977][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  156.053981][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  156.053985][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  156.053987][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  156.053990][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  156.053995][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  156.053998][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  156.054003][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.054005][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.054008][   T70]  process_one_work (kernel/workqueue.c:3387)
[  156.054016][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  156.054019][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  156.054028][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  156.054032][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.054035][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  156.054038][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.054041][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  156.054043][   T70]  kthread (kernel/kthread.c:436)
[  156.054045][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  156.054048][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  156.054051][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  156.054054][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  156.054058][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  156.054062][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  156.054065][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  160.009796][ T4646] softirqs last disabled at (37870): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  160.009798][ T4646] Preemption disabled at:
| [  160.009799][ T4646] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.009808][ T4646] Tainted: [W]=WARN
[  160.009809][ T4646] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.009810][ T4646] Call Trace:
[  160.009812][ T4646]  <TASK>
[  160.009813][ T4646]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.009819][ T4646]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.009821][ T4646]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.009826][ T4646]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.009831][ 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)
[  160.009835][ 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))
[  160.009837][ T4646]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.009845][ 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)
[  160.009848][ T4646]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.009852][ T4646]  put_chars (drivers/char/virtio_console.c:1176)
[  160.009855][ T4646]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.009857][ T4646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.009862][ T4646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.009871][ T4646]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.009880][ T4646]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.009883][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.009885][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.009890][ T4646]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.009895][ T4646]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.009897][ 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))
[  160.009900][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.009902][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.009907][ T4646]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.009912][ T4646]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.009913][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.009920][ T4646]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.009923][ T4646]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.009925][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.009927][ 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)
[  160.009931][ T4646]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.009933][ T4646]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.009936][ T4646]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.009940][ T4646]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.009942][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.009945][ T4646]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  160.009949][ T4646]  _printk (kernel/printk/printk.c:2504)
[  160.009953][ T4646]  ? snapshot_read.cold (user.c:?)
[  160.009957][ T4646]  ? br_multicast_flood (??:?)
[  160.009961][ T4646]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  160.009962][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.009963][ T4646]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.009969][ T4646]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.009973][ T4646]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.009976][ T4646]  new_nbp (net/bridge/br_if.c:449)
[  160.009980][ T4646]  br_add_if (net/bridge/br_if.c:592)
[  160.009983][ T4646]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.009987][ T4646]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  160.009993][ T4646]  do_set_master (net/core/rtnetlink.c:3071)
[  160.009997][ T4646]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  160.010001][ T4646]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  160.010004][ T4646]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  160.010006][ T4646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  160.010009][ T4646]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  160.010012][ T4646]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.010014][ T4646]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  160.010016][ T4646]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.010019][ T4646]  ? kasan_save_stack (mm/kasan/common.c:58)
[  160.010021][ T4646]  ? kasan_save_stack (mm/kasan/common.c:57)
[  160.010023][ T4646]  ? kasan_save_track (mm/kasan/common.c:78)
[  160.010024][ T4646]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  160.010027][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.010029][ T4646]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  160.010032][ T4646]  ? ___sys_sendmsg (net/socket.c:2758)
[  160.010036][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.010038][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.010041][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.010043][ T4646]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.010045][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.010046][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.010048][ T4646]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  160.010050][ 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)
[  160.010053][ T4646]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  160.010055][ T4646]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  160.010059][ T4646]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  160.010060][ T4646]  ? nla_get_range_signed (lib/nlattr.c:270)
[  160.010066][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.010068][ T4646]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  160.010074][ T4646]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.010081][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.010083][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.010088][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.010090][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.010093][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.010095][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.010099][ T4646]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.010101][ T4646]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.010105][ T4646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.010106][ T4646]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.010111][ T4646]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.010113][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.010117][ T4646]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.010121][ T4646]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.010124][ T4646]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.010132][ 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))
[  160.010134][ 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))
[  160.010139][ T4646]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.010144][ T4646]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.010147][ T4646]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.010152][ T4646]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.010156][ T4646]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.010161][ T4646]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.010162][ T4646]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.010168][ T4646]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.010172][ T4646]  ____sys_sendmsg (net/socket.c:2713)
[  160.010174][ T4646]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.010177][ T4646]  ? sock_write_iter (net/socket.c:1269)
[  160.010178][ T4646]  ? move_addr_to_kernel (net/socket.c:258)
[  160.010187][ T4646]  ___sys_sendmsg (net/socket.c:2767)
[  160.010190][ T4646]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.010210][ T4646]  __sys_sendmsg (net/socket.c:2799)
[  160.010213][ T4646]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.010220][ T4646]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.010224][ T4646]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.010227][ T4646]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.010230][ T4646]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.010232][ T4646] RIP: 0033:0x7f1aa182c54e
[  160.010236][ 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
[  160.010238][ T4646] RSP: 002b:00007ffc2ce4d240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.010241][ T4646] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1aa182c54e
[  160.010243][ T4646] RDX: 0000000000000000 RSI: 00007ffc2ce4d2f0 RDI: 0000000000000005
[  160.010243][ T4646] RBP: 00007ffc2ce4d250 R08: 0000000000000000 R09: 0000000000000000
[  160.010244][ T4646] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915121
[  160.010245][ T4646] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2ce4d9b0
| [  164.223550][   T70] softirqs last disabled at (5125674): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  164.223554][   T70] Preemption disabled at:
| [  164.223554][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  164.223563][   T70] Tainted: [W]=WARN
[  164.223563][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  164.223565][   T70] Workqueue: netns cleanup_net
[  164.223568][   T70] Call Trace:
[  164.223570][   T70]  <TASK>
[  164.223572][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  164.223578][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  164.223580][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  164.223585][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  164.223589][   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)
[  164.223594][   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))
[  164.223596][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.223603][   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)
[  164.223606][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  164.223610][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  164.223612][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  164.223614][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  164.223618][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  164.223621][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  164.223626][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  164.223630][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  164.223636][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  164.223640][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.223645][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  164.223650][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  164.223652][   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))
[  164.223655][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.223657][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.223662][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  164.223667][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  164.223669][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  164.223675][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  164.223678][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  164.223680][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.223682][   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)
[  164.223686][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  164.223688][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  164.223691][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  164.223697][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  164.223698][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  164.223700][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  164.223702][   T70]  ? kthread (kernel/kthread.c:436)
[  164.223705][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  164.223708][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  164.223713][   T70]  _printk (kernel/printk/printk.c:2504)
[  164.223717][   T70]  ? snapshot_read.cold (user.c:?)
[  164.223722][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  164.223725][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  164.223730][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  164.223733][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  164.223738][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.223740][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  164.223743][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  164.223745][   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)
[  164.223747][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  164.223757][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  164.223761][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  164.223769][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  164.223773][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  164.223776][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  164.223780][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  164.223785][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  164.223786][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  164.223790][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  164.223795][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  164.223798][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  164.223803][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  164.223805][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  164.223809][   T70]  process_one_work (kernel/workqueue.c:3387)
[  164.223816][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  164.223820][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  164.223829][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  164.223833][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  164.223835][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  164.223838][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  164.223841][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  164.223844][   T70]  kthread (kernel/kthread.c:436)
[  164.223845][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  164.223849][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  164.223852][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  164.223855][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  164.223859][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  164.223862][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  164.223866][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  168.041439][ T4848] softirqs last disabled at (39854): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  168.041442][ T4848] Preemption disabled at:
| [  168.041443][ T4848] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.041451][ T4848] Tainted: [W]=WARN
[  168.041452][ T4848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.041454][ T4848] Call Trace:
[  168.041456][ T4848]  <TASK>
[  168.041458][ T4848]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.041464][ T4848]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.041466][ T4848]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.041470][ T4848]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.041475][ 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)
[  168.041480][ 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))
[  168.041482][ T4848]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.041490][ 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)
[  168.041492][ T4848]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.041496][ T4848]  put_chars (drivers/char/virtio_console.c:1176)
[  168.041499][ T4848]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.041500][ T4848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  168.041504][ T4848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.041511][ T4848]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.041520][ T4848]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.041523][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041525][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.041529][ T4848]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.041534][ T4848]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.041536][ 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))
[  168.041540][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041542][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.041547][ T4848]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.041551][ T4848]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.041553][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.041560][ T4848]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.041563][ T4848]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.041565][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041566][ 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)
[  168.041571][ T4848]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.041573][ T4848]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.041576][ T4848]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.041579][ T4848]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.041581][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.041584][ T4848]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  168.041588][ T4848]  _printk (kernel/printk/printk.c:2504)
[  168.041592][ T4848]  ? snapshot_read.cold (user.c:?)
[  168.041596][ T4848]  ? br_multicast_flood (??:?)
[  168.041600][ T4848]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  168.041601][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.041603][ T4848]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.041608][ T4848]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  168.041613][ T4848]  br_init_port (net/bridge/br_stp_if.c:39)
[  168.041615][ T4848]  new_nbp (net/bridge/br_if.c:449)
[  168.041620][ T4848]  br_add_if (net/bridge/br_if.c:592)
[  168.041622][ T4848]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  168.041626][ T4848]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  168.041633][ T4848]  do_set_master (net/core/rtnetlink.c:3071)
[  168.041637][ T4848]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  168.041641][ T4848]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  168.041644][ T4848]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  168.041646][ T4848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  168.041649][ T4848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  168.041652][ T4848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  168.041654][ T4848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  168.041656][ T4848]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.041659][ T4848]  ? kasan_save_stack (mm/kasan/common.c:58)
[  168.041661][ T4848]  ? kasan_save_stack (mm/kasan/common.c:57)
[  168.041662][ T4848]  ? kasan_save_track (mm/kasan/common.c:78)
[  168.041664][ T4848]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  168.041666][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.041668][ T4848]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  168.041671][ T4848]  ? ___sys_sendmsg (net/socket.c:2758)
[  168.041676][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.041678][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  168.041681][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041683][ T4848]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.041684][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041685][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041687][ T4848]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  168.041690][ 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)
[  168.041695][ T4848]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  168.041697][ T4848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  168.041701][ T4848]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  168.041702][ T4848]  ? nla_get_range_signed (lib/nlattr.c:270)
[  168.041708][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041711][ T4848]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  168.041717][ T4848]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.041724][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.041726][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.041731][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.041733][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.041736][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.041738][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.041742][ T4848]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.041744][ T4848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.041748][ T4848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.041749][ T4848]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.041755][ T4848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.041757][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.041761][ T4848]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.041764][ T4848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.041767][ T4848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.041781][ 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))
[  168.041783][ 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))
[  168.041789][ T4848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.041793][ T4848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.041796][ T4848]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  168.041801][ T4848]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.041805][ T4848]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.041810][ T4848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.041812][ T4848]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  168.041818][ T4848]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  168.041821][ T4848]  ____sys_sendmsg (net/socket.c:2713)
[  168.041823][ T4848]  ? copy_msghdr_from_user (net/socket.c:2650)
[  168.041826][ T4848]  ? sock_write_iter (net/socket.c:1269)
[  168.041827][ T4848]  ? move_addr_to_kernel (net/socket.c:258)
[  168.041836][ T4848]  ___sys_sendmsg (net/socket.c:2767)
[  168.041839][ T4848]  ? copy_msghdr_from_user (net/socket.c:2619)
[  168.041859][ T4848]  __sys_sendmsg (net/socket.c:2799)
[  168.041863][ T4848]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  168.041873][ T4848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.041877][ T4848]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.041880][ T4848]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.041883][ T4848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.041885][ T4848] RIP: 0033:0x7fd100c1454e
[  168.041889][ 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
[  168.041891][ T4848] RSP: 002b:00007fff66a7ad30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  168.041894][ T4848] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd100c1454e
[  168.041895][ T4848] RDX: 0000000000000000 RSI: 00007fff66a7ade0 RDI: 0000000000000005
[  168.041896][ T4848] RBP: 00007fff66a7ad40 R08: 0000000000000000 R09: 0000000000000000
[  168.041897][ T4848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915129
[  168.041898][ T4848] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff66a7b4a0
| [  172.629198][   T70] softirqs last disabled at (5362602): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  172.629205][   T70] Preemption disabled at:
| [  172.629206][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.629219][   T70] Tainted: [W]=WARN
[  172.629220][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.629222][   T70] Workqueue: netns cleanup_net
[  172.629227][   T70] Call Trace:
[  172.629229][   T70]  <TASK>
[  172.629232][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.629240][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.629243][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.629249][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.629256][   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)
[  172.629263][   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))
[  172.629266][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.629277][   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)
[  172.629281][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.629287][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  172.629291][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.629294][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  172.629300][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  172.629304][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  172.629313][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.629319][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.629329][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.629335][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.629345][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.629352][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.629355][   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))
[  172.629360][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.629363][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.629370][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.629378][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.629381][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.629393][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.629398][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.629401][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.629404][   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)
[  172.629411][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.629413][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.629418][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.629424][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.629426][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  172.629429][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  172.629432][   T70]  ? kthread (kernel/kthread.c:436)
[  172.629435][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  172.629439][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  172.629447][   T70]  _printk (kernel/printk/printk.c:2504)
[  172.629453][   T70]  ? snapshot_read.cold (user.c:?)
[  172.629461][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  172.629467][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  172.629474][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  172.629478][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  172.629487][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.629490][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  172.629495][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  172.629499][   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)
[  172.629504][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  172.629512][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  172.629518][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  172.629530][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  172.629536][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  172.629543][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  172.629550][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  172.629555][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  172.629558][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  172.629564][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  172.629573][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  172.629579][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  172.629586][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.629590][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.629597][   T70]  process_one_work (kernel/workqueue.c:3387)
[  172.629611][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  172.629617][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  172.629633][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  172.629641][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  172.629645][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  172.629650][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  172.629655][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  172.629659][   T70]  kthread (kernel/kthread.c:436)
[  172.629662][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  172.629667][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  172.629672][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  172.629677][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  172.629684][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  172.629694][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  172.629700][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  176.963203][ T5062] softirqs last disabled at (34136): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  176.963206][ T5062] Preemption disabled at:
| [  176.963207][ T5062] vprintk_emit (kernel/printk/printk.c:2471)
| [  176.963215][ T5062] Tainted: [W]=WARN
[  176.963216][ T5062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.963218][ T5062] Call Trace:
[  176.963220][ T5062]  <TASK>
[  176.963221][ T5062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  176.963227][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  176.963229][ T5062]  __might_resched.cold (kernel/sched/core.c:9234)
[  176.963234][ T5062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  176.963238][ 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)
[  176.963243][ 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))
[  176.963245][ T5062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.963253][ 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)
[  176.963255][ T5062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.963260][ T5062]  put_chars (drivers/char/virtio_console.c:1176)
[  176.963263][ T5062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  176.963264][ T5062]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  176.963268][ T5062]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  176.963274][ T5062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  176.963283][ T5062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  176.963286][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963289][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.963294][ T5062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  176.963298][ T5062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  176.963300][ 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))
[  176.963304][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963306][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.963311][ T5062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  176.963316][ T5062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  176.963318][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  176.963324][ T5062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  176.963327][ T5062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  176.963329][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963331][ 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)
[  176.963336][ T5062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  176.963338][ T5062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  176.963341][ T5062]  vprintk_emit (kernel/printk/printk.c:2479)
[  176.963344][ T5062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  176.963346][ T5062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  176.963350][ T5062]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  176.963354][ T5062]  _printk (kernel/printk/printk.c:2504)
[  176.963358][ T5062]  ? snapshot_read.cold (user.c:?)
[  176.963362][ T5062]  ? br_multicast_flood (??:?)
[  176.963365][ T5062]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  176.963367][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  176.963368][ T5062]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  176.963373][ T5062]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  176.963378][ T5062]  br_init_port (net/bridge/br_stp_if.c:39)
[  176.963381][ T5062]  new_nbp (net/bridge/br_if.c:449)
[  176.963385][ T5062]  br_add_if (net/bridge/br_if.c:592)
[  176.963388][ T5062]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  176.963392][ T5062]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  176.963398][ T5062]  do_set_master (net/core/rtnetlink.c:3071)
[  176.963403][ T5062]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  176.963407][ T5062]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  176.963410][ T5062]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  176.963412][ T5062]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  176.963415][ T5062]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  176.963418][ T5062]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  176.963421][ T5062]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  176.963423][ T5062]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  176.963425][ T5062]  ? kasan_save_stack (mm/kasan/common.c:58)
[  176.963428][ T5062]  ? kasan_save_stack (mm/kasan/common.c:57)
[  176.963429][ T5062]  ? kasan_save_track (mm/kasan/common.c:78)
[  176.963430][ T5062]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  176.963433][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  176.963435][ T5062]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  176.963438][ T5062]  ? ___sys_sendmsg (net/socket.c:2758)
[  176.963443][ T5062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  176.963445][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  176.963448][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963450][ T5062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.963451][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963453][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963454][ T5062]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  176.963457][ 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)
[  176.963460][ T5062]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  176.963462][ T5062]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  176.963466][ T5062]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  176.963467][ T5062]  ? nla_get_range_signed (lib/nlattr.c:270)
[  176.963473][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963476][ T5062]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  176.963482][ T5062]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  176.963489][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  176.963491][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  176.963497][ T5062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  176.963499][ T5062]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  176.963501][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  176.963503][ T5062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  176.963508][ T5062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  176.963510][ T5062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  176.963513][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  176.963515][ T5062]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  176.963520][ T5062]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  176.963522][ T5062]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  176.963527][ T5062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  176.963530][ T5062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  176.963533][ T5062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  176.963541][ 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))
[  176.963544][ 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))
[  176.963549][ T5062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  176.963554][ T5062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  176.963557][ T5062]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  176.963562][ T5062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  176.963567][ T5062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  176.963571][ T5062]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  176.963573][ T5062]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  176.963579][ T5062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  176.963582][ T5062]  ____sys_sendmsg (net/socket.c:2713)
[  176.963585][ T5062]  ? copy_msghdr_from_user (net/socket.c:2650)
[  176.963588][ T5062]  ? sock_write_iter (net/socket.c:1269)
[  176.963589][ T5062]  ? move_addr_to_kernel (net/socket.c:258)
[  176.963598][ T5062]  ___sys_sendmsg (net/socket.c:2767)
[  176.963602][ T5062]  ? copy_msghdr_from_user (net/socket.c:2619)
[  176.963622][ T5062]  __sys_sendmsg (net/socket.c:2799)
[  176.963625][ T5062]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  176.963633][ T5062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.963636][ T5062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  176.963639][ T5062]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  176.963643][ T5062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.963645][ T5062] RIP: 0033:0x7faf67d5a54e
[  176.963649][ 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
[  176.963653][ T5062] RSP: 002b:00007fffd78817e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  176.963656][ T5062] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faf67d5a54e
[  176.963657][ T5062] RDX: 0000000000000000 RSI: 00007fffd7881890 RDI: 0000000000000005
[  176.963658][ T5062] RBP: 00007fffd78817f0 R08: 0000000000000000 R09: 0000000000000000
[  176.963659][ T5062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915132
[  176.963660][ T5062] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd7881f50
| [  181.392070][   T70] softirqs last disabled at (5568218): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  181.392074][   T70] Preemption disabled at:
| [  181.392075][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.392083][   T70] Tainted: [W]=WARN
[  181.392084][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.392086][   T70] Workqueue: netns cleanup_net
[  181.392089][   T70] Call Trace:
[  181.392091][   T70]  <TASK>
[  181.392093][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.392099][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.392101][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.392106][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.392110][   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)
[  181.392115][   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))
[  181.392117][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.392125][   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)
[  181.392128][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.392132][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  181.392134][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.392136][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.392140][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.392143][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.392149][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.392153][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.392159][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.392162][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.392168][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.392173][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.392174][   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))
[  181.392178][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.392180][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.392185][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.392190][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.392192][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.392198][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.392201][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.392203][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.392205][   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)
[  181.392209][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.392211][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.392215][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.392218][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.392220][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  181.392222][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.392224][   T70]  ? kthread (kernel/kthread.c:436)
[  181.392226][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  181.392229][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  181.392234][   T70]  _printk (kernel/printk/printk.c:2504)
[  181.392238][   T70]  ? snapshot_read.cold (user.c:?)
[  181.392243][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.392247][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.392252][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.392255][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  181.392260][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.392262][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  181.392265][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  181.392267][   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)
[  181.392269][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  181.392274][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  181.392278][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  181.392285][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  181.392289][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  181.392293][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  181.392298][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  181.392302][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  181.392303][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.392307][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  181.392312][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  181.392316][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  181.392320][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.392322][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.392326][   T70]  process_one_work (kernel/workqueue.c:3387)
[  181.392334][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  181.392337][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.392346][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.392351][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.392353][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  181.392356][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.392359][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.392362][   T70]  kthread (kernel/kthread.c:436)
[  181.392363][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.392367][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.392370][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  181.392373][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  181.392377][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  181.392381][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.392384][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  185.176370][ T5264] softirqs last disabled at (32702): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  185.176373][ T5264] Preemption disabled at:
| [  185.176374][ T5264] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.176383][ T5264] Tainted: [W]=WARN
[  185.176384][ T5264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.176385][ T5264] Call Trace:
[  185.176387][ T5264]  <TASK>
[  185.176389][ T5264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.176396][ T5264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.176397][ T5264]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.176402][ T5264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.176407][ 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)
[  185.176412][ 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))
[  185.176414][ T5264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.176421][ 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)
[  185.176424][ T5264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.176429][ T5264]  put_chars (drivers/char/virtio_console.c:1176)
[  185.176431][ T5264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.176433][ T5264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.176437][ T5264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.176443][ T5264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.176453][ T5264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.176456][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176458][ T5264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.176463][ T5264]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.176467][ T5264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.176470][ 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))
[  185.176475][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176479][ T5264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.176486][ T5264]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.176494][ T5264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.176496][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.176504][ T5264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.176508][ T5264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.176510][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176512][ 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)
[  185.176516][ T5264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.176518][ T5264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.176521][ T5264]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.176525][ T5264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.176527][ T5264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.176530][ T5264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  185.176534][ T5264]  _printk (kernel/printk/printk.c:2504)
[  185.176538][ T5264]  ? snapshot_read.cold (user.c:?)
[  185.176542][ T5264]  ? br_multicast_flood (??:?)
[  185.176546][ T5264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  185.176547][ T5264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  185.176549][ T5264]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  185.176554][ T5264]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  185.176559][ T5264]  br_init_port (net/bridge/br_stp_if.c:39)
[  185.176562][ T5264]  new_nbp (net/bridge/br_if.c:449)
[  185.176566][ T5264]  br_add_if (net/bridge/br_if.c:592)
[  185.176569][ T5264]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  185.176573][ T5264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  185.176579][ T5264]  do_set_master (net/core/rtnetlink.c:3071)
[  185.176583][ T5264]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  185.176587][ T5264]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  185.176591][ T5264]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  185.176592][ T5264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  185.176595][ T5264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  185.176598][ T5264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.176601][ T5264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.176603][ T5264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.176606][ T5264]  ? kasan_save_stack (mm/kasan/common.c:58)
[  185.176608][ T5264]  ? kasan_save_stack (mm/kasan/common.c:57)
[  185.176609][ T5264]  ? kasan_save_track (mm/kasan/common.c:78)
[  185.176611][ T5264]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  185.176613][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.176616][ T5264]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  185.176619][ T5264]  ? ___sys_sendmsg (net/socket.c:2758)
[  185.176623][ T5264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.176625][ T5264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.176628][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176630][ T5264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.176632][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176633][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176635][ T5264]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  185.176637][ 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)
[  185.176640][ T5264]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  185.176642][ T5264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.176646][ T5264]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  185.176647][ T5264]  ? nla_get_range_signed (lib/nlattr.c:270)
[  185.176653][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176656][ T5264]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  185.176662][ T5264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  185.176668][ T5264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.176671][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.176676][ T5264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.176678][ T5264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.176680][ T5264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.176682][ T5264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.176687][ T5264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.176689][ T5264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  185.176695][ T5264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.176696][ T5264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.176702][ T5264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.176704][ T5264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.176708][ T5264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  185.176712][ T5264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.176715][ T5264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  185.176723][ 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))
[  185.176725][ 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))
[  185.176730][ T5264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  185.176735][ T5264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  185.176738][ T5264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.176743][ T5264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  185.176748][ T5264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  185.176752][ T5264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.176754][ T5264]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  185.176760][ T5264]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  185.176763][ T5264]  ____sys_sendmsg (net/socket.c:2713)
[  185.176766][ T5264]  ? copy_msghdr_from_user (net/socket.c:2650)
[  185.176768][ T5264]  ? sock_write_iter (net/socket.c:1269)
[  185.176770][ T5264]  ? move_addr_to_kernel (net/socket.c:258)
[  185.176779][ T5264]  ___sys_sendmsg (net/socket.c:2767)
[  185.176782][ T5264]  ? copy_msghdr_from_user (net/socket.c:2619)
[  185.176802][ T5264]  __sys_sendmsg (net/socket.c:2799)
[  185.176805][ T5264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  185.176813][ T5264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.176816][ T5264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.176819][ T5264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.176823][ T5264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.176825][ T5264] RIP: 0033:0x7f21e51d254e
[  185.176829][ 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
[  185.176831][ T5264] RSP: 002b:00007ffd1382f630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  185.176834][ T5264] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f21e51d254e
[  185.176836][ T5264] RDX: 0000000000000000 RSI: 00007ffd1382f6e0 RDI: 0000000000000005
[  185.176837][ T5264] RBP: 00007ffd1382f640 R08: 0000000000000000 R09: 0000000000000000
[  185.176837][ T5264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91513a
[  185.176838][ T5264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1382fda0
| [  189.536036][   T70] softirqs last disabled at (5795088): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  189.536041][   T70] Preemption disabled at:
| [  189.536042][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.536051][   T70] Tainted: [W]=WARN
[  189.536052][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.536053][   T70] Workqueue: netns cleanup_net
[  189.536057][   T70] Call Trace:
[  189.536058][   T70]  <TASK>
[  189.536060][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.536067][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.536069][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.536073][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.536078][   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)
[  189.536083][   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))
[  189.536085][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.536092][   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)
[  189.536095][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.536099][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  189.536102][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.536103][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.536107][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  189.536110][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.536116][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.536120][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.536127][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.536130][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.536136][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.536141][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.536143][   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))
[  189.536146][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.536148][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.536153][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.536158][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.536160][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.536167][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.536170][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.536172][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.536174][   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)
[  189.536178][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.536180][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.536183][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.536187][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.536189][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  189.536191][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  189.536192][   T70]  ? kthread (kernel/kthread.c:436)
[  189.536195][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  189.536198][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  189.536203][   T70]  _printk (kernel/printk/printk.c:2504)
[  189.536207][   T70]  ? snapshot_read.cold (user.c:?)
[  189.536213][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  189.536217][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  189.536221][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  189.536224][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  189.536229][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.536231][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  189.536234][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  189.536236][   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)
[  189.536239][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  189.536244][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  189.536248][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  189.536255][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  189.536259][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  189.536263][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  189.536267][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  189.536271][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  189.536273][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.536277][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  189.536282][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  189.536286][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  189.536290][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.536292][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.536296][   T70]  process_one_work (kernel/workqueue.c:3387)
[  189.536304][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  189.536308][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.536317][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  189.536322][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  189.536324][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  189.536327][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  189.536330][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  189.536333][   T70]  kthread (kernel/kthread.c:436)
[  189.536335][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  189.536338][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  189.536341][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  189.536345][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  189.536348][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  189.536352][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  189.536355][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  193.657019][ T5478] softirqs last disabled at (36374): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  193.657021][ T5478] Preemption disabled at:
| [  193.657022][ T5478] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.657031][ T5478] Tainted: [W]=WARN
[  193.657032][ T5478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.657033][ T5478] Call Trace:
[  193.657035][ T5478]  <TASK>
[  193.657037][ T5478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.657042][ T5478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.657044][ T5478]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.657049][ T5478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.657053][ 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)
[  193.657058][ 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))
[  193.657060][ T5478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.657068][ 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)
[  193.657071][ T5478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.657075][ T5478]  put_chars (drivers/char/virtio_console.c:1176)
[  193.657077][ T5478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.657079][ T5478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  193.657082][ T5478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  193.657089][ T5478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.657098][ T5478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.657100][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657103][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.657107][ T5478]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.657112][ T5478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.657114][ 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))
[  193.657118][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657120][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.657124][ T5478]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.657129][ T5478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.657131][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.657137][ T5478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.657140][ T5478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.657142][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657144][ 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)
[  193.657149][ T5478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.657150][ T5478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.657154][ T5478]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.657157][ T5478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.657159][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.657162][ T5478]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  193.657166][ T5478]  _printk (kernel/printk/printk.c:2504)
[  193.657170][ T5478]  ? snapshot_read.cold (user.c:?)
[  193.657174][ T5478]  ? br_multicast_flood (??:?)
[  193.657178][ T5478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  193.657179][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  193.657181][ T5478]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  193.657186][ T5478]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  193.657190][ T5478]  br_init_port (net/bridge/br_stp_if.c:39)
[  193.657193][ T5478]  new_nbp (net/bridge/br_if.c:449)
[  193.657198][ T5478]  br_add_if (net/bridge/br_if.c:592)
[  193.657200][ T5478]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  193.657204][ T5478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  193.657210][ T5478]  do_set_master (net/core/rtnetlink.c:3071)
[  193.657214][ T5478]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  193.657218][ T5478]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  193.657222][ T5478]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  193.657223][ T5478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  193.657226][ T5478]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  193.657229][ T5478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  193.657232][ T5478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.657233][ T5478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  193.657236][ T5478]  ? kasan_save_stack (mm/kasan/common.c:58)
[  193.657239][ T5478]  ? kasan_save_stack (mm/kasan/common.c:57)
[  193.657240][ T5478]  ? kasan_save_track (mm/kasan/common.c:78)
[  193.657241][ T5478]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  193.657244][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.657246][ T5478]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  193.657248][ T5478]  ? ___sys_sendmsg (net/socket.c:2758)
[  193.657253][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  193.657255][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  193.657258][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657260][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.657261][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657263][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657264][ T5478]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  193.657267][ 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)
[  193.657270][ T5478]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  193.657272][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  193.657276][ T5478]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  193.657277][ T5478]  ? nla_get_range_signed (lib/nlattr.c:270)
[  193.657282][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657285][ T5478]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  193.657291][ T5478]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  193.657298][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  193.657300][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.657305][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  193.657307][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  193.657310][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  193.657312][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.657316][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  193.657319][ T5478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  193.657322][ T5478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  193.657324][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.657329][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  193.657331][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  193.657335][ T5478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  193.657338][ T5478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  193.657341][ T5478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  193.657349][ 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))
[  193.657351][ 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))
[  193.657357][ T5478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  193.657361][ T5478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  193.657364][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  193.657369][ T5478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  193.657374][ T5478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  193.657378][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.657380][ T5478]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  193.657386][ T5478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  193.657389][ T5478]  ____sys_sendmsg (net/socket.c:2713)
[  193.657391][ T5478]  ? copy_msghdr_from_user (net/socket.c:2650)
[  193.657394][ T5478]  ? sock_write_iter (net/socket.c:1269)
[  193.657395][ T5478]  ? move_addr_to_kernel (net/socket.c:258)
[  193.657405][ T5478]  ___sys_sendmsg (net/socket.c:2767)
[  193.657408][ T5478]  ? copy_msghdr_from_user (net/socket.c:2619)
[  193.657427][ T5478]  __sys_sendmsg (net/socket.c:2799)
[  193.657430][ T5478]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  193.657438][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.657442][ T5478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  193.657445][ T5478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  193.657448][ T5478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  193.657450][ T5478] RIP: 0033:0x7f628cb7c54e
[  193.657454][ 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
[  193.657456][ T5478] RSP: 002b:00007ffe4be61710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  193.657458][ T5478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f628cb7c54e
[  193.657460][ T5478] RDX: 0000000000000000 RSI: 00007ffe4be617c0 RDI: 0000000000000005
[  193.657461][ T5478] RBP: 00007ffe4be61720 R08: 0000000000000000 R09: 0000000000000000
[  193.657461][ T5478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915142
[  193.657462][ T5478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4be61e80
| [  197.969161][   T70] softirqs last disabled at (6003840): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  197.969165][   T70] Preemption disabled at:
| [  197.969166][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.969174][   T70] Tainted: [W]=WARN
[  197.969175][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.969177][   T70] Workqueue: netns cleanup_net
[  197.969180][   T70] Call Trace:
[  197.969182][   T70]  <TASK>
[  197.969184][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.969190][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.969192][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.969197][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.969201][   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)
[  197.969206][   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))
[  197.969208][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.969216][   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)
[  197.969219][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.969223][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  197.969226][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.969227][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.969231][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  197.969234][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.969240][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.969244][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.969250][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.969254][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.969259][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.969264][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.969266][   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))
[  197.969269][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.969271][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.969276][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.969281][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.969283][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.969290][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.969293][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.969295][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.969297][   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)
[  197.969301][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.969303][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.969306][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.969310][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.969311][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  197.969313][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  197.969315][   T70]  ? kthread (kernel/kthread.c:436)
[  197.969318][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  197.969321][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  197.969326][   T70]  _printk (kernel/printk/printk.c:2504)
[  197.969329][   T70]  ? snapshot_read.cold (user.c:?)
[  197.969335][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  197.969339][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  197.969343][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  197.969346][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  197.969351][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.969353][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  197.969356][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  197.969358][   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)
[  197.969361][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  197.969366][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  197.969370][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  197.969377][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  197.969381][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  197.969385][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  197.969389][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  197.969393][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  197.969395][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.969398][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  197.969404][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  197.969407][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  197.969411][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.969414][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.969418][   T70]  process_one_work (kernel/workqueue.c:3387)
[  197.969425][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  197.969429][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.969438][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  197.969442][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  197.969445][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  197.969448][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  197.969451][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  197.969453][   T70]  kthread (kernel/kthread.c:436)
[  197.969455][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  197.969459][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  197.969462][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  197.969465][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  197.969469][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  197.969474][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  197.969479][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  202.264433][ T5680] softirqs last disabled at (40557): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  202.264437][ T5680] Preemption disabled at:
| [  202.264438][ T5680] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.264450][ T5680] Tainted: [W]=WARN
[  202.264451][ T5680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.264453][ T5680] Call Trace:
[  202.264456][ T5680]  <TASK>
[  202.264458][ T5680]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.264465][ T5680]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.264468][ T5680]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.264475][ T5680]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.264481][ 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)
[  202.264488][ 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))
[  202.264492][ T5680]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.264502][ 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)
[  202.264506][ T5680]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.264513][ T5680]  put_chars (drivers/char/virtio_console.c:1176)
[  202.264517][ T5680]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.264519][ T5680]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  202.264525][ T5680]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.264536][ T5680]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.264549][ T5680]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.264554][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264557][ T5680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.264565][ T5680]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.264572][ T5680]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.264575][ 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))
[  202.264581][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264584][ T5680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.264592][ T5680]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.264599][ T5680]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.264602][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.264612][ T5680]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.264617][ T5680]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.264619][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264622][ 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)
[  202.264629][ T5680]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.264632][ T5680]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.264637][ T5680]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.264643][ T5680]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.264646][ T5680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.264651][ T5680]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  202.264657][ T5680]  _printk (kernel/printk/printk.c:2504)
[  202.264662][ T5680]  ? snapshot_read.cold (user.c:?)
[  202.264669][ T5680]  ? br_multicast_flood (??:?)
[  202.264673][ T5680]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  202.264675][ T5680]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.264677][ T5680]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.264685][ T5680]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  202.264695][ T5680]  br_init_port (net/bridge/br_stp_if.c:39)
[  202.264699][ T5680]  new_nbp (net/bridge/br_if.c:449)
[  202.264705][ T5680]  br_add_if (net/bridge/br_if.c:592)
[  202.264709][ T5680]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  202.264714][ T5680]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  202.264723][ T5680]  do_set_master (net/core/rtnetlink.c:3071)
[  202.264730][ T5680]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  202.264736][ T5680]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  202.264741][ T5680]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  202.264743][ T5680]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  202.264747][ T5680]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  202.264751][ T5680]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  202.264755][ T5680]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  202.264758][ T5680]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  202.264761][ T5680]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  202.264766][ T5680]  ? kasan_save_stack (mm/kasan/common.c:58)
[  202.264769][ T5680]  ? kasan_save_stack (mm/kasan/common.c:57)
[  202.264770][ T5680]  ? kasan_save_track (mm/kasan/common.c:78)
[  202.264773][ T5680]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  202.264777][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.264780][ T5680]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  202.264784][ T5680]  ? ___sys_sendmsg (net/socket.c:2758)
[  202.264788][ T5680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.264790][ T5680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.264793][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264795][ T5680]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.264797][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264798][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264800][ T5680]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  202.264803][ 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)
[  202.264806][ T5680]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  202.264809][ T5680]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.264815][ T5680]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  202.264817][ T5680]  ? nla_get_range_signed (lib/nlattr.c:270)
[  202.264826][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.264830][ T5680]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  202.264841][ T5680]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.264852][ T5680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.264856][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.264865][ T5680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.264868][ T5680]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.264872][ T5680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.264876][ T5680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.264883][ T5680]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.264887][ T5680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.264892][ T5680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.264895][ T5680]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  202.264903][ T5680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  202.264906][ T5680]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.264913][ T5680]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.264917][ T5680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.264922][ T5680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.264935][ 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))
[  202.264937][ 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))
[  202.264946][ T5680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.264954][ T5680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.264964][ T5680]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  202.264973][ T5680]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.264980][ T5680]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.264988][ T5680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  202.264991][ T5680]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  202.265000][ T5680]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.265006][ T5680]  ____sys_sendmsg (net/socket.c:2713)
[  202.265010][ T5680]  ? copy_msghdr_from_user (net/socket.c:2650)
[  202.265014][ T5680]  ? sock_write_iter (net/socket.c:1269)
[  202.265016][ T5680]  ? move_addr_to_kernel (net/socket.c:258)
[  202.265032][ T5680]  ___sys_sendmsg (net/socket.c:2767)
[  202.265037][ T5680]  ? copy_msghdr_from_user (net/socket.c:2619)
[  202.265072][ T5680]  __sys_sendmsg (net/socket.c:2799)
[  202.265077][ T5680]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  202.265090][ T5680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.265097][ T5680]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.265101][ T5680]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.265106][ T5680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.265109][ T5680] RIP: 0033:0x7f04038ad54e
[  202.265114][ 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
[  202.265117][ T5680] RSP: 002b:00007fff6f949e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  202.265122][ T5680] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f04038ad54e
[  202.265124][ T5680] RDX: 0000000000000000 RSI: 00007fff6f949f20 RDI: 0000000000000005
[  202.265125][ T5680] RBP: 00007fff6f949e80 R08: 0000000000000000 R09: 0000000000000000
[  202.265127][ T5680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91514b
[  202.265128][ T5680] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f94a5e0
| [  206.731190][   T70] softirqs last disabled at (6194444): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  206.731192][   T70] Preemption disabled at:
| [  206.731193][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  206.731202][   T70] Tainted: [W]=WARN
[  206.731203][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  206.731205][   T70] Workqueue: netns cleanup_net
[  206.731208][   T70] Call Trace:
[  206.731210][   T70]  <TASK>
[  206.731211][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  206.731218][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  206.731219][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  206.731224][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  206.731228][   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)
[  206.731233][   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))
[  206.731235][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  206.731243][   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)
[  206.731246][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  206.731250][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  206.731253][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  206.731254][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  206.731258][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  206.731261][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  206.731266][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  206.731270][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.731277][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  206.731280][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.731286][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  206.731290][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  206.731292][   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))
[  206.731296][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.731298][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  206.731302][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  206.731307][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  206.731309][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  206.731316][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  206.731319][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  206.731321][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.731323][   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)
[  206.731327][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  206.731329][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  206.731332][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  206.731336][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  206.731337][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  206.731339][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  206.731341][   T70]  ? kthread (kernel/kthread.c:436)
[  206.731343][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  206.731346][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  206.731352][   T70]  _printk (kernel/printk/printk.c:2504)
[  206.731355][   T70]  ? snapshot_read.cold (user.c:?)
[  206.731361][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  206.731365][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  206.731369][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  206.731372][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  206.731377][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.731379][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  206.731382][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  206.731384][   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)
[  206.731387][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  206.731391][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  206.731395][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  206.731399][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  206.731400][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  206.731404][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  206.731408][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  206.731412][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  206.731416][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  206.731420][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  206.731422][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  206.731425][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  206.731431][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  206.731434][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  206.731438][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  206.731440][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  206.731444][   T70]  process_one_work (kernel/workqueue.c:3387)
[  206.731452][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  206.731455][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  206.731464][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  206.731469][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  206.731471][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  206.731474][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  206.731478][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  206.731480][   T70]  kthread (kernel/kthread.c:436)
[  206.731482][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  206.731485][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  206.731488][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  206.731491][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  206.731495][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  206.731499][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  206.731502][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  210.707000][ T5894] softirqs last disabled at (42004): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  210.707003][ T5894] Preemption disabled at:
| [  210.707004][ T5894] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.707018][ T5894] Tainted: [W]=WARN
[  210.707019][ T5894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.707020][ T5894] Call Trace:
[  210.707022][ T5894]  <TASK>
[  210.707024][ T5894]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.707030][ T5894]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.707031][ T5894]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.707036][ T5894]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.707041][ 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)
[  210.707045][ 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))
[  210.707047][ T5894]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.707054][ 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)
[  210.707057][ T5894]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.707061][ T5894]  put_chars (drivers/char/virtio_console.c:1176)
[  210.707064][ T5894]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.707065][ T5894]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.707069][ T5894]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.707075][ T5894]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.707084][ T5894]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.707087][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707089][ T5894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.707094][ T5894]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.707098][ T5894]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.707100][ 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))
[  210.707104][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707105][ T5894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.707110][ T5894]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.707115][ T5894]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.707117][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.707123][ T5894]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.707126][ T5894]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.707128][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707129][ 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)
[  210.707134][ T5894]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.707136][ T5894]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.707139][ T5894]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.707142][ T5894]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.707144][ T5894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.707147][ T5894]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  210.707151][ T5894]  _printk (kernel/printk/printk.c:2504)
[  210.707155][ T5894]  ? snapshot_read.cold (user.c:?)
[  210.707159][ T5894]  ? br_multicast_flood (??:?)
[  210.707162][ T5894]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  210.707163][ T5894]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  210.707165][ T5894]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.707170][ T5894]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  210.707174][ T5894]  br_init_port (net/bridge/br_stp_if.c:39)
[  210.707177][ T5894]  new_nbp (net/bridge/br_if.c:449)
[  210.707181][ T5894]  br_add_if (net/bridge/br_if.c:592)
[  210.707184][ T5894]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  210.707188][ T5894]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  210.707194][ T5894]  do_set_master (net/core/rtnetlink.c:3071)
[  210.707198][ T5894]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  210.707201][ T5894]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  210.707205][ T5894]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  210.707206][ T5894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  210.707209][ T5894]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  210.707212][ T5894]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.707215][ T5894]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  210.707216][ T5894]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.707219][ T5894]  ? kasan_save_stack (mm/kasan/common.c:58)
[  210.707222][ T5894]  ? kasan_save_stack (mm/kasan/common.c:57)
[  210.707223][ T5894]  ? kasan_save_track (mm/kasan/common.c:78)
[  210.707224][ T5894]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  210.707227][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.707229][ T5894]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  210.707232][ T5894]  ? ___sys_sendmsg (net/socket.c:2758)
[  210.707236][ T5894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.707238][ T5894]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.707241][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707243][ T5894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.707245][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707246][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707248][ T5894]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  210.707250][ 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)
[  210.707253][ T5894]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  210.707255][ T5894]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.707259][ T5894]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  210.707260][ T5894]  ? nla_get_range_signed (lib/nlattr.c:270)
[  210.707266][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707268][ T5894]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  210.707274][ T5894]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  210.707280][ T5894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.707282][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.707288][ T5894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.707290][ T5894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.707292][ T5894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.707294][ T5894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.707298][ T5894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.707300][ T5894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.707304][ T5894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.707305][ T5894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.707310][ T5894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.707312][ T5894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.707316][ T5894]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  210.707319][ T5894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.707323][ T5894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  210.707330][ 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))
[  210.707332][ 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))
[  210.707337][ T5894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  210.707342][ T5894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  210.707344][ T5894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.707349][ T5894]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  210.707354][ T5894]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  210.707358][ T5894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.707360][ T5894]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  210.707366][ T5894]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  210.707369][ T5894]  ____sys_sendmsg (net/socket.c:2713)
[  210.707371][ T5894]  ? copy_msghdr_from_user (net/socket.c:2650)
[  210.707374][ T5894]  ? sock_write_iter (net/socket.c:1269)
[  210.707375][ T5894]  ? move_addr_to_kernel (net/socket.c:258)
[  210.707384][ T5894]  ___sys_sendmsg (net/socket.c:2767)
[  210.707387][ T5894]  ? copy_msghdr_from_user (net/socket.c:2619)
[  210.707406][ T5894]  __sys_sendmsg (net/socket.c:2799)
[  210.707409][ T5894]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  210.707417][ T5894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.707420][ T5894]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  210.707423][ T5894]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  210.707427][ T5894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.707429][ T5894] RIP: 0033:0x7f895ddfc54e
[  210.707433][ 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
[  210.707434][ T5894] RSP: 002b:00007fffe501d170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  210.707437][ T5894] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f895ddfc54e
[  210.707438][ T5894] RDX: 0000000000000000 RSI: 00007fffe501d220 RDI: 0000000000000005
[  210.707439][ T5894] RBP: 00007fffe501d180 R08: 0000000000000000 R09: 0000000000000000
[  210.707440][ T5894] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915153
[  210.707441][ T5894] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe501d8e0
| [  214.981920][   T70] softirqs last disabled at (6397730): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  214.981923][   T70] Preemption disabled at:
| [  214.981923][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  214.981932][   T70] Tainted: [W]=WARN
[  214.981933][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.981935][   T70] Workqueue: netns cleanup_net
[  214.981938][   T70] Call Trace:
[  214.981940][   T70]  <TASK>
[  214.981942][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.981948][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  214.981950][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.981954][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.981958][   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)
[  214.981963][   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))
[  214.981966][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.981973][   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)
[  214.981976][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.981980][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  214.981982][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.981984][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  214.981988][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  214.981990][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  214.981996][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.982000][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.982006][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.982010][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.982015][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.982020][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.982022][   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))
[  214.982025][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.982027][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.982039][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.982043][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.982045][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  214.982052][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.982055][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.982057][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.982059][   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)
[  214.982063][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.982065][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.982068][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.982072][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.982073][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  214.982075][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  214.982077][   T70]  ? kthread (kernel/kthread.c:436)
[  214.982079][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  214.982082][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  214.982087][   T70]  _printk (kernel/printk/printk.c:2504)
[  214.982091][   T70]  ? snapshot_read.cold (user.c:?)
[  214.982096][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  214.982100][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  214.982105][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  214.982108][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  214.982113][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.982115][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  214.982117][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  214.982120][   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)
[  214.982122][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  214.982127][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  214.982131][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  214.982134][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  214.982135][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  214.982140][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  214.982144][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  214.982147][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  214.982151][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  214.982156][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  214.982157][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  214.982161][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  214.982166][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  214.982169][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  214.982174][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.982176][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.982180][   T70]  process_one_work (kernel/workqueue.c:3387)
[  214.982187][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  214.982191][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  214.982200][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  214.982204][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  214.982207][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  214.982209][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  214.982213][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  214.982215][   T70]  kthread (kernel/kthread.c:436)
[  214.982217][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  214.982221][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  214.982224][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  214.982227][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  214.982230][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  214.982234][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  214.982237][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  218.897943][ T6096] softirqs last disabled at (44428): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  218.897945][ T6096] Preemption disabled at:
| [  218.897946][ T6096] vprintk_emit (kernel/printk/printk.c:2471)
| [  218.897955][ T6096] Tainted: [W]=WARN
[  218.897956][ T6096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.897957][ T6096] Call Trace:
[  218.897959][ T6096]  <TASK>
[  218.897960][ T6096]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.897967][ T6096]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  218.897968][ T6096]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.897973][ T6096]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.897978][ 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)
[  218.897982][ 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))
[  218.897984][ T6096]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.897992][ 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)
[  218.897995][ T6096]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.897999][ T6096]  put_chars (drivers/char/virtio_console.c:1176)
[  218.898001][ T6096]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.898002][ T6096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.898006][ T6096]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.898013][ T6096]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.898021][ T6096]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.898024][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898026][ T6096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.898031][ T6096]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.898035][ T6096]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.898037][ 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))
[  218.898041][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898043][ T6096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.898047][ T6096]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.898057][ T6096]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.898059][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.898066][ T6096]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.898069][ T6096]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.898071][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898073][ 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)
[  218.898077][ T6096]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.898079][ T6096]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.898082][ T6096]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.898086][ T6096]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.898088][ T6096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.898091][ T6096]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  218.898095][ T6096]  _printk (kernel/printk/printk.c:2504)
[  218.898098][ T6096]  ? snapshot_read.cold (user.c:?)
[  218.898102][ T6096]  ? br_multicast_flood (??:?)
[  218.898106][ T6096]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  218.898107][ T6096]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.898109][ T6096]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.898114][ T6096]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  218.898118][ T6096]  br_init_port (net/bridge/br_stp_if.c:39)
[  218.898121][ T6096]  new_nbp (net/bridge/br_if.c:449)
[  218.898125][ T6096]  br_add_if (net/bridge/br_if.c:592)
[  218.898128][ T6096]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  218.898132][ T6096]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  218.898138][ T6096]  do_set_master (net/core/rtnetlink.c:3071)
[  218.898142][ T6096]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  218.898145][ T6096]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  218.898149][ T6096]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  218.898150][ T6096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  218.898153][ T6096]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  218.898157][ T6096]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.898159][ T6096]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  218.898161][ T6096]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.898164][ T6096]  ? kasan_save_stack (mm/kasan/common.c:58)
[  218.898166][ T6096]  ? kasan_save_stack (mm/kasan/common.c:57)
[  218.898167][ T6096]  ? kasan_save_track (mm/kasan/common.c:78)
[  218.898169][ T6096]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  218.898171][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.898173][ T6096]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  218.898176][ T6096]  ? ___sys_sendmsg (net/socket.c:2758)
[  218.898180][ T6096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.898183][ T6096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.898186][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898187][ T6096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.898189][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898190][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898192][ T6096]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  218.898195][ 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)
[  218.898197][ T6096]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  218.898200][ T6096]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.898203][ T6096]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  218.898205][ T6096]  ? nla_get_range_signed (lib/nlattr.c:270)
[  218.898210][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898213][ T6096]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  218.898219][ T6096]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.898225][ T6096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.898227][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.898232][ T6096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.898234][ T6096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.898237][ T6096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.898239][ T6096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.898243][ T6096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.898245][ T6096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.898249][ T6096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.898250][ T6096]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.898255][ T6096]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.898257][ T6096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.898261][ T6096]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.898265][ T6096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.898268][ T6096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  218.898276][ 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))
[  218.898278][ 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))
[  218.898283][ T6096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.898287][ T6096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  218.898290][ T6096]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.898295][ T6096]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.898299][ T6096]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  218.898304][ T6096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.898305][ T6096]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  218.898311][ T6096]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  218.898314][ T6096]  ____sys_sendmsg (net/socket.c:2713)
[  218.898317][ T6096]  ? copy_msghdr_from_user (net/socket.c:2650)
[  218.898319][ T6096]  ? sock_write_iter (net/socket.c:1269)
[  218.898321][ T6096]  ? move_addr_to_kernel (net/socket.c:258)
[  218.898329][ T6096]  ___sys_sendmsg (net/socket.c:2767)
[  218.898332][ T6096]  ? copy_msghdr_from_user (net/socket.c:2619)
[  218.898351][ T6096]  __sys_sendmsg (net/socket.c:2799)
[  218.898354][ T6096]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  218.898361][ T6096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.898365][ T6096]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.898368][ T6096]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  218.898371][ T6096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.898373][ T6096] RIP: 0033:0x7f26ef69254e
[  218.898377][ 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
[  218.898379][ T6096] RSP: 002b:00007ffcd0d13980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  218.898382][ T6096] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f26ef69254e
[  218.898383][ T6096] RDX: 0000000000000000 RSI: 00007ffcd0d13a30 RDI: 0000000000000005
[  218.898384][ T6096] RBP: 00007ffcd0d13990 R08: 0000000000000000 R09: 0000000000000000
[  218.898385][ T6096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515c
[  218.898386][ T6096] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd0d140f0
| [  223.332585][   T70] softirqs last disabled at (6585520): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  223.332588][   T70] Preemption disabled at:
| [  223.332588][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  223.332597][   T70] Tainted: [W]=WARN
[  223.332598][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.332600][   T70] Workqueue: netns cleanup_net
[  223.332603][   T70] Call Trace:
[  223.332605][   T70]  <TASK>
[  223.332606][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.332613][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  223.332615][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.332619][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.332624][   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)
[  223.332628][   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))
[  223.332630][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.332638][   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)
[  223.332641][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.332645][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  223.332647][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.332649][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  223.332653][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  223.332656][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  223.332661][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.332665][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.332671][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.332674][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.332680][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.332684][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.332686][   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))
[  223.332689][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.332695][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.332699][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.332704][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.332706][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.332712][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.332715][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.332717][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.332719][   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)
[  223.332724][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.332725][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.332728][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.332732][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.332734][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  223.332736][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  223.332737][   T70]  ? kthread (kernel/kthread.c:436)
[  223.332740][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  223.332743][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  223.332748][   T70]  _printk (kernel/printk/printk.c:2504)
[  223.332752][   T70]  ? snapshot_read.cold (user.c:?)
[  223.332757][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  223.332761][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  223.332765][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  223.332768][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  223.332773][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.332775][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  223.332778][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  223.332780][   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)
[  223.332783][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  223.332787][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  223.332791][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  223.332795][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  223.332796][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  223.332800][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  223.332804][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  223.332808][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  223.332812][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  223.332816][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  223.332818][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  223.332821][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  223.332826][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  223.332830][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  223.332834][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.332836][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.332840][   T70]  process_one_work (kernel/workqueue.c:3387)
[  223.332848][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  223.332851][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  223.332860][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  223.332867][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.332870][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  223.332873][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.332876][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  223.332878][   T70]  kthread (kernel/kthread.c:436)
[  223.332880][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.332884][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  223.332887][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  223.332890][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  223.332894][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  223.332897][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  223.332900][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  227.477201][ T6310] softirqs last disabled at (28544): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  227.477203][ T6310] Preemption disabled at:
| [  227.477204][ T6310] vprintk_emit (kernel/printk/printk.c:2471)
| [  227.477213][ T6310] Tainted: [W]=WARN
[  227.477214][ T6310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  227.477215][ T6310] Call Trace:
[  227.477217][ T6310]  <TASK>
[  227.477218][ T6310]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  227.477225][ T6310]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  227.477227][ T6310]  __might_resched.cold (kernel/sched/core.c:9234)
[  227.477231][ T6310]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  227.477236][ 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)
[  227.477241][ 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))
[  227.477243][ T6310]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.477250][ 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)
[  227.477253][ T6310]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  227.477257][ T6310]  put_chars (drivers/char/virtio_console.c:1176)
[  227.477259][ T6310]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  227.477261][ T6310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.477265][ T6310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.477271][ T6310]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  227.477279][ T6310]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  227.477282][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477285][ T6310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.477289][ T6310]  console_emit_next_record (kernel/printk/printk.c:3183)
[  227.477294][ T6310]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  227.477296][ 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))
[  227.477299][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477301][ T6310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.477306][ T6310]  console_flush_one_record (kernel/printk/printk.c:3268)
[  227.477310][ T6310]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  227.477313][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.477319][ T6310]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  227.477322][ T6310]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  227.477324][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477326][ 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)
[  227.477330][ T6310]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  227.477332][ T6310]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  227.477335][ T6310]  vprintk_emit (kernel/printk/printk.c:2479)
[  227.477339][ T6310]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  227.477341][ T6310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.477344][ T6310]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  227.477348][ T6310]  _printk (kernel/printk/printk.c:2504)
[  227.477352][ T6310]  ? snapshot_read.cold (user.c:?)
[  227.477356][ T6310]  ? br_multicast_flood (??:?)
[  227.477359][ T6310]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  227.477361][ T6310]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  227.477362][ T6310]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.477367][ T6310]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  227.477372][ T6310]  br_init_port (net/bridge/br_stp_if.c:39)
[  227.477374][ T6310]  new_nbp (net/bridge/br_if.c:449)
[  227.477379][ T6310]  br_add_if (net/bridge/br_if.c:592)
[  227.477381][ T6310]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  227.477385][ T6310]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  227.477391][ T6310]  do_set_master (net/core/rtnetlink.c:3071)
[  227.477395][ T6310]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  227.477399][ T6310]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  227.477403][ T6310]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  227.477404][ T6310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  227.477407][ T6310]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  227.477411][ T6310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  227.477413][ T6310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  227.477415][ T6310]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  227.477417][ T6310]  ? kasan_save_stack (mm/kasan/common.c:58)
[  227.477420][ T6310]  ? kasan_save_stack (mm/kasan/common.c:57)
[  227.477421][ T6310]  ? kasan_save_track (mm/kasan/common.c:78)
[  227.477422][ T6310]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  227.477425][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.477427][ T6310]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  227.477430][ T6310]  ? ___sys_sendmsg (net/socket.c:2758)
[  227.477434][ T6310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.477437][ T6310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.477439][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477441][ T6310]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  227.477443][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477444][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477446][ T6310]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  227.477448][ 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)
[  227.477451][ T6310]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  227.477453][ T6310]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  227.477457][ T6310]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  227.477459][ T6310]  ? nla_get_range_signed (lib/nlattr.c:270)
[  227.477464][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477467][ T6310]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  227.477473][ T6310]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  227.477479][ T6310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.477482][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.477487][ T6310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.477489][ T6310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.477491][ T6310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.477493][ T6310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.477498][ T6310]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  227.477500][ T6310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  227.477503][ T6310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.477505][ T6310]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  227.477510][ T6310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  227.477512][ T6310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.477516][ T6310]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  227.477520][ T6310]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  227.477523][ T6310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  227.477531][ 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))
[  227.477533][ 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))
[  227.477538][ T6310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  227.477542][ T6310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  227.477545][ T6310]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  227.477550][ T6310]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  227.477555][ T6310]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  227.477559][ T6310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  227.477561][ T6310]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  227.477567][ T6310]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  227.477570][ T6310]  ____sys_sendmsg (net/socket.c:2713)
[  227.477573][ T6310]  ? copy_msghdr_from_user (net/socket.c:2650)
[  227.477575][ T6310]  ? sock_write_iter (net/socket.c:1269)
[  227.477577][ T6310]  ? move_addr_to_kernel (net/socket.c:258)
[  227.477585][ T6310]  ___sys_sendmsg (net/socket.c:2767)
[  227.477589][ T6310]  ? copy_msghdr_from_user (net/socket.c:2619)
[  227.477607][ T6310]  __sys_sendmsg (net/socket.c:2799)
[  227.477610][ T6310]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  227.477618][ T6310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  227.477621][ T6310]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  227.477624][ T6310]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  227.477628][ T6310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  227.477630][ T6310] RIP: 0033:0x7f275467254e
[  227.477634][ 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
[  227.477636][ T6310] RSP: 002b:00007ffc555ff3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  227.477638][ T6310] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f275467254e
[  227.477640][ T6310] RDX: 0000000000000000 RSI: 00007ffc555ff480 RDI: 0000000000000005
[  227.477641][ T6310] RBP: 00007ffc555ff3e0 R08: 0000000000000000 R09: 0000000000000000
[  227.477642][ T6310] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915164
[  227.477642][ T6310] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc555ffb40
| [  232.177999][   T70] softirqs last disabled at (6833046): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  232.178002][   T70] Preemption disabled at:
| [  232.178003][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  232.178012][   T70] Tainted: [W]=WARN
[  232.178013][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  232.178014][   T70] Workqueue: netns cleanup_net
[  232.178018][   T70] Call Trace:
[  232.178019][   T70]  <TASK>
[  232.178021][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  232.178027][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  232.178029][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  232.178034][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  232.178038][   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)
[  232.178043][   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))
[  232.178045][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.178052][   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)
[  232.178055][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.178059][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  232.178062][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  232.178063][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  232.178067][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  232.178070][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  232.178076][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  232.178080][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.178086][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  232.178090][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.178095][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  232.178100][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  232.178102][   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))
[  232.178106][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.178108][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.178112][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  232.178117][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  232.178119][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  232.178131][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  232.178135][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  232.178137][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.178139][   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)
[  232.178143][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  232.178145][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  232.178148][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  232.178152][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  232.178153][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  232.178155][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  232.178157][   T70]  ? kthread (kernel/kthread.c:436)
[  232.178159][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  232.178162][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  232.178168][   T70]  _printk (kernel/printk/printk.c:2504)
[  232.178172][   T70]  ? snapshot_read.cold (user.c:?)
[  232.178177][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  232.178181][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  232.178186][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  232.178189][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  232.178194][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.178196][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  232.178199][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  232.178201][   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)
[  232.178204][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  232.178208][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  232.178212][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  232.178216][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  232.178217][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  232.178221][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  232.178225][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  232.178229][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  232.178234][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  232.178238][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  232.178239][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  232.178243][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  232.178248][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  232.178251][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  232.178256][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.178258][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.178262][   T70]  process_one_work (kernel/workqueue.c:3387)
[  232.178269][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  232.178273][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  232.178282][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  232.178286][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  232.178289][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  232.178292][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  232.178295][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  232.178297][   T70]  kthread (kernel/kthread.c:436)
[  232.178299][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  232.178303][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  232.178306][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  232.178309][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  232.178313][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  232.178316][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  232.178320][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  236.334721][ T6512] softirqs last disabled at (32094): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  236.334723][ T6512] Preemption disabled at:
| [  236.334724][ T6512] vprintk_emit (kernel/printk/printk.c:2471)
| [  236.334733][ T6512] Tainted: [W]=WARN
[  236.334734][ T6512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.334736][ T6512] Call Trace:
[  236.334738][ T6512]  <TASK>
[  236.334739][ T6512]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.334746][ T6512]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  236.334747][ T6512]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.334752][ T6512]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.334757][ 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)
[  236.334762][ 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))
[  236.334764][ T6512]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.334772][ 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)
[  236.334774][ T6512]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.334778][ T6512]  put_chars (drivers/char/virtio_console.c:1176)
[  236.334781][ T6512]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.334783][ T6512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.334787][ T6512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.334793][ T6512]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.334802][ T6512]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.334805][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334807][ T6512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.334812][ T6512]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.334816][ T6512]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.334818][ 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))
[  236.334822][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334824][ T6512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.334828][ T6512]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.334833][ T6512]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.334835][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.334842][ T6512]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.334845][ T6512]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.334847][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334849][ 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)
[  236.334853][ T6512]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.334855][ T6512]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.334858][ T6512]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.334862][ T6512]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.334866][ T6512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.334871][ T6512]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  236.334876][ T6512]  _printk (kernel/printk/printk.c:2504)
[  236.334880][ T6512]  ? snapshot_read.cold (user.c:?)
[  236.334884][ T6512]  ? br_multicast_flood (??:?)
[  236.334888][ T6512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  236.334890][ T6512]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  236.334891][ T6512]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.334896][ T6512]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  236.334901][ T6512]  br_init_port (net/bridge/br_stp_if.c:39)
[  236.334903][ T6512]  new_nbp (net/bridge/br_if.c:449)
[  236.334908][ T6512]  br_add_if (net/bridge/br_if.c:592)
[  236.334910][ T6512]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  236.334914][ T6512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  236.334920][ T6512]  do_set_master (net/core/rtnetlink.c:3071)
[  236.334924][ T6512]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  236.334928][ T6512]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  236.334932][ T6512]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  236.334933][ T6512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  236.334936][ T6512]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  236.334940][ T6512]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  236.334942][ T6512]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  236.334944][ T6512]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  236.334947][ T6512]  ? kasan_save_stack (mm/kasan/common.c:58)
[  236.334950][ T6512]  ? kasan_save_stack (mm/kasan/common.c:57)
[  236.334951][ T6512]  ? kasan_save_track (mm/kasan/common.c:78)
[  236.334952][ T6512]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  236.334955][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.334957][ T6512]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  236.334960][ T6512]  ? ___sys_sendmsg (net/socket.c:2758)
[  236.334965][ T6512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.334967][ T6512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.334970][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334972][ T6512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.334973][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334975][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334976][ T6512]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  236.334979][ 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)
[  236.334982][ T6512]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  236.334984][ T6512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  236.334988][ T6512]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  236.334989][ T6512]  ? nla_get_range_signed (lib/nlattr.c:270)
[  236.334995][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.334997][ T6512]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  236.335003][ T6512]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  236.335009][ T6512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.335011][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.335017][ T6512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.335019][ T6512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.335021][ T6512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.335023][ T6512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.335028][ T6512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  236.335030][ T6512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  236.335033][ T6512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.335035][ T6512]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  236.335040][ T6512]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.335042][ T6512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.335046][ T6512]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  236.335049][ T6512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  236.335053][ T6512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  236.335060][ 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))
[  236.335062][ 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))
[  236.335067][ T6512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  236.335072][ T6512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  236.335075][ T6512]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  236.335080][ T6512]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  236.335084][ T6512]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  236.335088][ T6512]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  236.335090][ T6512]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  236.335096][ T6512]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  236.335099][ T6512]  ____sys_sendmsg (net/socket.c:2713)
[  236.335102][ T6512]  ? copy_msghdr_from_user (net/socket.c:2650)
[  236.335104][ T6512]  ? sock_write_iter (net/socket.c:1269)
[  236.335106][ T6512]  ? move_addr_to_kernel (net/socket.c:258)
[  236.335114][ T6512]  ___sys_sendmsg (net/socket.c:2767)
[  236.335118][ T6512]  ? copy_msghdr_from_user (net/socket.c:2619)
[  236.335136][ T6512]  __sys_sendmsg (net/socket.c:2799)
[  236.335139][ T6512]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  236.335154][ T6512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.335158][ T6512]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  236.335161][ T6512]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  236.335164][ T6512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  236.335167][ T6512] RIP: 0033:0x7f5922ba154e
[  236.335170][ 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
[  236.335172][ T6512] RSP: 002b:00007ffc946c9790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  236.335175][ T6512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5922ba154e
[  236.335176][ T6512] RDX: 0000000000000000 RSI: 00007ffc946c9840 RDI: 0000000000000005
[  236.335177][ T6512] RBP: 00007ffc946c97a0 R08: 0000000000000000 R09: 0000000000000000
[  236.335178][ T6512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91516d
[  236.335179][ T6512] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc946c9f00
| [  240.840730][   T70] softirqs last disabled at (7046086): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  240.840732][   T70] Preemption disabled at:
| [  240.840733][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.840742][   T70] Tainted: [W]=WARN
[  240.840743][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.840745][   T70] Workqueue: netns cleanup_net
[  240.840748][   T70] Call Trace:
[  240.840750][   T70]  <TASK>
[  240.840751][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.840757][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.840759][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.840764][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.840768][   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)
[  240.840773][   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))
[  240.840776][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.840783][   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)
[  240.840786][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.840790][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  240.840793][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.840794][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  240.840798][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  240.840801][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  240.840807][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.840811][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.840817][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.840821][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.840826][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.840831][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.840833][   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))
[  240.840836][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.840838][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.840843][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.840848][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.840850][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  240.840856][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.840860][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.840863][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.840866][   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)
[  240.840872][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.840874][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.840877][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.840881][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.840882][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  240.840884][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  240.840886][   T70]  ? kthread (kernel/kthread.c:436)
[  240.840889][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  240.840892][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  240.840897][   T70]  _printk (kernel/printk/printk.c:2504)
[  240.840901][   T70]  ? snapshot_read.cold (user.c:?)
[  240.840907][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  240.840911][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  240.840915][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  240.840918][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  240.840924][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.840926][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  240.840928][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  240.840930][   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)
[  240.840933][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  240.840938][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  240.840942][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  240.840945][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  240.840947][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  240.840951][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  240.840955][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  240.840959][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  240.840963][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  240.840967][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  240.840969][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  240.840972][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  240.840978][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  240.840981][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  240.840985][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.840987][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.840991][   T70]  process_one_work (kernel/workqueue.c:3387)
[  240.840999][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  240.841003][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  240.841012][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  240.841017][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.841019][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  240.841022][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.841025][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  240.841027][   T70]  kthread (kernel/kthread.c:436)
[  240.841029][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  240.841033][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  240.841036][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  240.841039][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  240.841043][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  240.841047][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  240.841050][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  245.188668][ T6726] softirqs last disabled at (38718): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  245.188671][ T6726] Preemption disabled at:
| [  245.188671][ T6726] vprintk_emit (kernel/printk/printk.c:2471)
| [  245.188680][ T6726] Tainted: [W]=WARN
[  245.188681][ T6726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  245.188683][ T6726] Call Trace:
[  245.188685][ T6726]  <TASK>
[  245.188686][ T6726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  245.188694][ T6726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  245.188696][ T6726]  __might_resched.cold (kernel/sched/core.c:9234)
[  245.188701][ T6726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  245.188706][ 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)
[  245.188711][ 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))
[  245.188713][ T6726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.188721][ 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)
[  245.188724][ T6726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.188728][ T6726]  put_chars (drivers/char/virtio_console.c:1176)
[  245.188731][ T6726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  245.188732][ T6726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  245.188736][ T6726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  245.188742][ T6726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  245.188751][ T6726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  245.188754][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188756][ T6726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.188761][ T6726]  console_emit_next_record (kernel/printk/printk.c:3183)
[  245.188766][ T6726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  245.188768][ 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))
[  245.188771][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188773][ T6726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.188778][ T6726]  console_flush_one_record (kernel/printk/printk.c:3268)
[  245.188783][ T6726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  245.188785][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.188791][ T6726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  245.188795][ T6726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  245.188797][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188798][ 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)
[  245.188803][ T6726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  245.188805][ T6726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  245.188808][ T6726]  vprintk_emit (kernel/printk/printk.c:2479)
[  245.188812][ T6726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  245.188814][ T6726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.188817][ T6726]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  245.188821][ T6726]  _printk (kernel/printk/printk.c:2504)
[  245.188825][ T6726]  ? snapshot_read.cold (user.c:?)
[  245.188829][ T6726]  ? br_multicast_flood (??:?)
[  245.188833][ T6726]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  245.188834][ T6726]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  245.188836][ T6726]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  245.188841][ T6726]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  245.188846][ T6726]  br_init_port (net/bridge/br_stp_if.c:39)
[  245.188848][ T6726]  new_nbp (net/bridge/br_if.c:449)
[  245.188853][ T6726]  br_add_if (net/bridge/br_if.c:592)
[  245.188856][ T6726]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  245.188860][ T6726]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  245.188869][ T6726]  do_set_master (net/core/rtnetlink.c:3071)
[  245.188874][ T6726]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  245.188877][ T6726]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  245.188881][ T6726]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  245.188883][ T6726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  245.188886][ T6726]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  245.188889][ T6726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  245.188891][ T6726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  245.188893][ T6726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  245.188896][ T6726]  ? kasan_save_stack (mm/kasan/common.c:58)
[  245.188898][ T6726]  ? kasan_save_stack (mm/kasan/common.c:57)
[  245.188900][ T6726]  ? kasan_save_track (mm/kasan/common.c:78)
[  245.188901][ T6726]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  245.188903][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.188905][ T6726]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  245.188908][ T6726]  ? ___sys_sendmsg (net/socket.c:2758)
[  245.188913][ T6726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.188915][ T6726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  245.188918][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188920][ T6726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.188921][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188922][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188924][ T6726]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  245.188927][ 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)
[  245.188929][ T6726]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  245.188932][ T6726]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  245.188935][ T6726]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  245.188937][ T6726]  ? nla_get_range_signed (lib/nlattr.c:270)
[  245.188942][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.188945][ T6726]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  245.188951][ T6726]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  245.188957][ T6726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  245.188959][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.188965][ T6726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.188967][ T6726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.188969][ T6726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  245.188971][ T6726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.188976][ T6726]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  245.188978][ T6726]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  245.188981][ T6726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  245.188983][ T6726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.188988][ T6726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.188990][ T6726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.188994][ T6726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  245.188997][ T6726]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  245.189001][ T6726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  245.189008][ 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))
[  245.189010][ 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))
[  245.189016][ T6726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  245.189020][ T6726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  245.189023][ T6726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.189028][ T6726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  245.189033][ T6726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  245.189037][ T6726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.189039][ T6726]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  245.189045][ T6726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  245.189048][ T6726]  ____sys_sendmsg (net/socket.c:2713)
[  245.189050][ T6726]  ? copy_msghdr_from_user (net/socket.c:2650)
[  245.189053][ T6726]  ? sock_write_iter (net/socket.c:1269)
[  245.189055][ T6726]  ? move_addr_to_kernel (net/socket.c:258)
[  245.189063][ T6726]  ___sys_sendmsg (net/socket.c:2767)
[  245.189067][ T6726]  ? copy_msghdr_from_user (net/socket.c:2619)
[  245.189086][ T6726]  __sys_sendmsg (net/socket.c:2799)
[  245.189089][ T6726]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  245.189097][ T6726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.189100][ T6726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  245.189103][ T6726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  245.189107][ T6726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  245.189109][ T6726] RIP: 0033:0x7f5149ef354e
[  245.189113][ 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
[  245.189114][ T6726] RSP: 002b:00007ffe2c8e9770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  245.189117][ T6726] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5149ef354e
[  245.189119][ T6726] RDX: 0000000000000000 RSI: 00007ffe2c8e9820 RDI: 0000000000000005
[  245.189119][ T6726] RBP: 00007ffe2c8e9780 R08: 0000000000000000 R09: 0000000000000000
[  245.189120][ T6726] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915176
[  245.189121][ T6726] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2c8e9ee0
| [  249.803303][   T70] softirqs last disabled at (7284032): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  249.803306][   T70] Preemption disabled at:
| [  249.803306][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  249.803315][   T70] Tainted: [W]=WARN
[  249.803316][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  249.803318][   T70] Workqueue: netns cleanup_net
[  249.803321][   T70] Call Trace:
[  249.803323][   T70]  <TASK>
[  249.803325][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  249.803331][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  249.803333][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  249.803338][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  249.803342][   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)
[  249.803347][   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))
[  249.803349][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  249.803357][   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)
[  249.803360][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  249.803364][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  249.803367][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  249.803368][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  249.803372][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  249.803375][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  249.803381][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  249.803385][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.803391][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  249.803395][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.803400][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  249.803405][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  249.803407][   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))
[  249.803411][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.803413][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  249.803417][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  249.803422][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  249.803424][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  249.803431][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  249.803434][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  249.803436][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.803438][   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)
[  249.803443][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  249.803444][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  249.803448][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  249.803451][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  249.803453][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  249.803455][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  249.803457][   T70]  ? kthread (kernel/kthread.c:436)
[  249.803460][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  249.803464][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  249.803472][   T70]  _printk (kernel/printk/printk.c:2504)
[  249.803477][   T70]  ? snapshot_read.cold (user.c:?)
[  249.803485][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  249.803491][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  249.803498][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  249.803503][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  249.803512][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.803515][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  249.803520][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  249.803524][   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)
[  249.803528][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  249.803536][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  249.803542][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  249.803547][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  249.803550][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  249.803557][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  249.803564][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  249.803570][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  249.803577][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  249.803582][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  249.803585][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  249.803588][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  249.803594][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  249.803598][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  249.803602][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  249.803604][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  249.803608][   T70]  process_one_work (kernel/workqueue.c:3387)
[  249.803616][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  249.803619][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  249.803629][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  249.803634][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  249.803636][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  249.803639][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  249.803643][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  249.803645][   T70]  kthread (kernel/kthread.c:436)
[  249.803647][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  249.803651][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  249.803654][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  249.803657][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  249.803661][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  249.803665][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  249.803668][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  254.054722][ T6929] softirqs last disabled at (37358): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  254.054725][ T6929] Preemption disabled at:
| [  254.054726][ T6929] vprintk_emit (kernel/printk/printk.c:2471)
| [  254.054739][ T6929] Tainted: [W]=WARN
[  254.054740][ T6929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  254.054742][ T6929] Call Trace:
[  254.054745][ T6929]  <TASK>
[  254.054747][ T6929]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  254.054755][ T6929]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  254.054758][ T6929]  __might_resched.cold (kernel/sched/core.c:9234)
[  254.054764][ T6929]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  254.054770][ 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)
[  254.054778][ 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))
[  254.054781][ T6929]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.054792][ 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)
[  254.054796][ T6929]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.054802][ T6929]  put_chars (drivers/char/virtio_console.c:1176)
[  254.054807][ T6929]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  254.054809][ T6929]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  254.054815][ T6929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  254.054826][ T6929]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  254.054840][ T6929]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  254.054844][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.054848][ T6929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.054856][ T6929]  console_emit_next_record (kernel/printk/printk.c:3183)
[  254.054864][ T6929]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  254.054867][ 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))
[  254.054873][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.054876][ T6929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.054884][ T6929]  console_flush_one_record (kernel/printk/printk.c:3268)
[  254.054892][ T6929]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  254.054895][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.054906][ T6929]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  254.054911][ T6929]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  254.054914][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.054917][ 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)
[  254.054925][ T6929]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  254.054928][ T6929]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  254.054933][ T6929]  vprintk_emit (kernel/printk/printk.c:2479)
[  254.054940][ T6929]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  254.054943][ T6929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.054949][ T6929]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  254.054956][ T6929]  _printk (kernel/printk/printk.c:2504)
[  254.054961][ T6929]  ? snapshot_read.cold (user.c:?)
[  254.054968][ T6929]  ? br_multicast_flood (??:?)
[  254.054972][ T6929]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  254.054975][ T6929]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  254.054977][ T6929]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  254.054986][ T6929]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  254.054993][ T6929]  br_init_port (net/bridge/br_stp_if.c:39)
[  254.054998][ T6929]  new_nbp (net/bridge/br_if.c:449)
[  254.055006][ T6929]  br_add_if (net/bridge/br_if.c:592)
[  254.055010][ T6929]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  254.055015][ T6929]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  254.055026][ T6929]  do_set_master (net/core/rtnetlink.c:3071)
[  254.055033][ T6929]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  254.055040][ T6929]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  254.055045][ T6929]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  254.055048][ T6929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  254.055052][ T6929]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  254.055057][ T6929]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  254.055061][ T6929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  254.055064][ T6929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  254.055068][ T6929]  ? kasan_save_stack (mm/kasan/common.c:58)
[  254.055072][ T6929]  ? kasan_save_stack (mm/kasan/common.c:57)
[  254.055074][ T6929]  ? kasan_save_track (mm/kasan/common.c:78)
[  254.055076][ T6929]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  254.055081][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.055084][ T6929]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  254.055088][ T6929]  ? ___sys_sendmsg (net/socket.c:2758)
[  254.055096][ T6929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.055099][ T6929]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  254.055104][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.055108][ T6929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.055110][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.055112][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.055116][ T6929]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  254.055120][ 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)
[  254.055124][ T6929]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  254.055127][ T6929]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  254.055134][ T6929]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  254.055136][ T6929]  ? nla_get_range_signed (lib/nlattr.c:270)
[  254.055146][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.055150][ T6929]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  254.055161][ T6929]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  254.055173][ T6929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  254.055176][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.055186][ T6929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.055189][ T6929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.055193][ T6929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  254.055196][ T6929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.055204][ T6929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  254.055208][ T6929]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  254.055214][ T6929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  254.055216][ T6929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.055225][ T6929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.055229][ T6929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.055236][ T6929]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  254.055240][ T6929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  254.055253][ T6929]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  254.055266][ 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))
[  254.055270][ 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))
[  254.055279][ T6929]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  254.055287][ T6929]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  254.055291][ T6929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  254.055300][ T6929]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  254.055308][ T6929]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  254.055316][ T6929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  254.055318][ T6929]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  254.055328][ T6929]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  254.055333][ T6929]  ____sys_sendmsg (net/socket.c:2713)
[  254.055337][ T6929]  ? copy_msghdr_from_user (net/socket.c:2650)
[  254.055341][ T6929]  ? sock_write_iter (net/socket.c:1269)
[  254.055343][ T6929]  ? move_addr_to_kernel (net/socket.c:258)
[  254.055358][ T6929]  ___sys_sendmsg (net/socket.c:2767)
[  254.055363][ T6929]  ? copy_msghdr_from_user (net/socket.c:2619)
[  254.055396][ T6929]  __sys_sendmsg (net/socket.c:2799)
[  254.055400][ T6929]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  254.055410][ T6929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.055414][ T6929]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  254.055417][ T6929]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  254.055420][ T6929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.055423][ T6929] RIP: 0033:0x7f62f7f8054e
[  254.055428][ 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
[  254.055429][ T6929] RSP: 002b:00007ffcd15c0990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  254.055432][ T6929] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f62f7f8054e
[  254.055434][ T6929] RDX: 0000000000000000 RSI: 00007ffcd15c0a40 RDI: 0000000000000005
[  254.055435][ T6929] RBP: 00007ffcd15c09a0 R08: 0000000000000000 R09: 0000000000000000
[  254.055436][ T6929] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91517f
[  254.055437][ T6929] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd15c1100
| [  258.587157][   T70] softirqs last disabled at (7490852): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  258.587160][   T70] Preemption disabled at:
| [  258.587161][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  258.587170][   T70] Tainted: [W]=WARN
[  258.587171][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.587172][   T70] Workqueue: netns cleanup_net
[  258.587176][   T70] Call Trace:
[  258.587177][   T70]  <TASK>
[  258.587180][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  258.587186][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  258.587188][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  258.587194][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  258.587200][   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)
[  258.587207][   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))
[  258.587210][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.587220][   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)
[  258.587224][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.587231][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  258.587235][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  258.587237][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  258.587243][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  258.587247][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  258.587257][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  258.587263][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  258.587280][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  258.587286][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.587295][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  258.587302][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  258.587305][   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))
[  258.587312][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.587315][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.587323][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  258.587332][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  258.587334][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  258.587346][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  258.587351][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  258.587354][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.587357][   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)
[  258.587364][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  258.587367][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  258.587372][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  258.587379][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  258.587381][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  258.587384][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  258.587388][   T70]  ? kthread (kernel/kthread.c:436)
[  258.587391][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  258.587395][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  258.587404][   T70]  _printk (kernel/printk/printk.c:2504)
[  258.587410][   T70]  ? snapshot_read.cold (user.c:?)
[  258.587419][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  258.587425][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  258.587433][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  258.587437][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  258.587446][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.587450][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  258.587455][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  258.587458][   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)
[  258.587463][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  258.587471][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  258.587477][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  258.587482][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  258.587484][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  258.587492][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  258.587499][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  258.587505][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  258.587512][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  258.587517][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  258.587520][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  258.587526][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  258.587535][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  258.587541][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  258.587549][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.587552][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.587559][   T70]  process_one_work (kernel/workqueue.c:3387)
[  258.587573][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  258.587579][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  258.587595][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  258.587603][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  258.587607][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  258.587612][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  258.587617][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  258.587620][   T70]  kthread (kernel/kthread.c:436)
[  258.587623][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  258.587628][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  258.587634][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  258.587639][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  258.587646][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  258.587651][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  258.587656][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  263.203914][ T7143] softirqs last disabled at (41784): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  263.203917][ T7143] Preemption disabled at:
| [  263.203917][ T7143] vprintk_emit (kernel/printk/printk.c:2471)
| [  263.203926][ T7143] Tainted: [W]=WARN
[  263.203927][ T7143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  263.203929][ T7143] Call Trace:
[  263.203931][ T7143]  <TASK>
[  263.203933][ T7143]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  263.203939][ T7143]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  263.203941][ T7143]  __might_resched.cold (kernel/sched/core.c:9234)
[  263.203946][ T7143]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  263.203950][ 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)
[  263.203955][ 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))
[  263.203957][ T7143]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  263.203965][ 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)
[  263.203968][ T7143]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  263.203972][ T7143]  put_chars (drivers/char/virtio_console.c:1176)
[  263.203975][ T7143]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  263.203977][ T7143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  263.203981][ T7143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  263.203987][ T7143]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  263.203996][ T7143]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  263.203999][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204001][ T7143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.204006][ T7143]  console_emit_next_record (kernel/printk/printk.c:3183)
[  263.204011][ T7143]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  263.204013][ 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))
[  263.204017][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204019][ T7143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.204023][ T7143]  console_flush_one_record (kernel/printk/printk.c:3268)
[  263.204028][ T7143]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  263.204030][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.204037][ T7143]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  263.204040][ T7143]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  263.204042][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204044][ 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)
[  263.204048][ T7143]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  263.204050][ T7143]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  263.204054][ T7143]  vprintk_emit (kernel/printk/printk.c:2479)
[  263.204057][ T7143]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  263.204059][ T7143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.204063][ T7143]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  263.204067][ T7143]  _printk (kernel/printk/printk.c:2504)
[  263.204071][ T7143]  ? snapshot_read.cold (user.c:?)
[  263.204075][ T7143]  ? br_multicast_flood (??:?)
[  263.204079][ T7143]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  263.204080][ T7143]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  263.204082][ T7143]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  263.204087][ T7143]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  263.204092][ T7143]  br_init_port (net/bridge/br_stp_if.c:39)
[  263.204095][ T7143]  new_nbp (net/bridge/br_if.c:449)
[  263.204099][ T7143]  br_add_if (net/bridge/br_if.c:592)
[  263.204102][ T7143]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  263.204106][ T7143]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  263.204112][ T7143]  do_set_master (net/core/rtnetlink.c:3071)
[  263.204116][ T7143]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  263.204120][ T7143]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  263.204124][ T7143]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  263.204125][ T7143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  263.204128][ T7143]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  263.204132][ T7143]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  263.204134][ T7143]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  263.204136][ T7143]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  263.204139][ T7143]  ? kasan_save_stack (mm/kasan/common.c:58)
[  263.204141][ T7143]  ? kasan_save_stack (mm/kasan/common.c:57)
[  263.204143][ T7143]  ? kasan_save_track (mm/kasan/common.c:78)
[  263.204144][ T7143]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  263.204147][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.204149][ T7143]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  263.204152][ T7143]  ? ___sys_sendmsg (net/socket.c:2758)
[  263.204157][ T7143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.204159][ T7143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  263.204162][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204164][ T7143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  263.204166][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204167][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204169][ T7143]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  263.204171][ 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)
[  263.204174][ T7143]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  263.204176][ T7143]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  263.204180][ T7143]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  263.204181][ T7143]  ? nla_get_range_signed (lib/nlattr.c:270)
[  263.204187][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204190][ T7143]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  263.204196][ T7143]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  263.204202][ T7143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  263.204205][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.204210][ T7143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.204212][ T7143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.204215][ T7143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  263.204217][ T7143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.204221][ T7143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  263.204224][ T7143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  263.204227][ T7143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  263.204229][ T7143]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  263.204234][ T7143]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  263.204236][ T7143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.204240][ T7143]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  263.204243][ T7143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  263.204247][ T7143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  263.204255][ 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))
[  263.204257][ 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))
[  263.204262][ T7143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  263.204267][ T7143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  263.204270][ T7143]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  263.204275][ T7143]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  263.204280][ T7143]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  263.204284][ T7143]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  263.204286][ T7143]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  263.204292][ T7143]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  263.204303][ T7143]  ____sys_sendmsg (net/socket.c:2713)
[  263.204306][ T7143]  ? copy_msghdr_from_user (net/socket.c:2650)
[  263.204308][ T7143]  ? sock_write_iter (net/socket.c:1269)
[  263.204310][ T7143]  ? move_addr_to_kernel (net/socket.c:258)
[  263.204319][ T7143]  ___sys_sendmsg (net/socket.c:2767)
[  263.204322][ T7143]  ? copy_msghdr_from_user (net/socket.c:2619)
[  263.204341][ T7143]  __sys_sendmsg (net/socket.c:2799)
[  263.204344][ T7143]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  263.204351][ T7143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  263.204355][ T7143]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  263.204358][ T7143]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  263.204361][ T7143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  263.204364][ T7143] RIP: 0033:0x7f527307154e
[  263.204368][ 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
[  263.204370][ T7143] RSP: 002b:00007fffe859ac70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  263.204373][ T7143] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f527307154e
[  263.204374][ T7143] RDX: 0000000000000000 RSI: 00007fffe859ad20 RDI: 0000000000000005
[  263.204375][ T7143] RBP: 00007fffe859ac80 R08: 0000000000000000 R09: 0000000000000000
[  263.204376][ T7143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915188
[  263.204377][ T7143] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe859b3e0
| [  267.694950][   T70] softirqs last disabled at (7694243): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  267.694953][   T70] Preemption disabled at:
| [  267.694954][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  267.694963][   T70] Tainted: [W]=WARN
[  267.694964][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  267.694966][   T70] Workqueue: netns cleanup_net
[  267.694969][   T70] Call Trace:
[  267.694971][   T70]  <TASK>
[  267.694973][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  267.694979][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  267.694981][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  267.694986][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  267.694991][   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)
[  267.694996][   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))
[  267.694998][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  267.695006][   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)
[  267.695009][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  267.695014][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  267.695016][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  267.695018][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  267.695022][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  267.695025][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  267.695031][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  267.695036][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  267.695042][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  267.695046][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.695052][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  267.695057][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  267.695059][   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))
[  267.695063][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.695065][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.695070][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  267.695076][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  267.695078][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  267.695085][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  267.695088][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  267.695090][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.695092][   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)
[  267.695097][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  267.695099][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  267.695103][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  267.695106][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  267.695108][   T70]  ? cleanup_net (net/core/net_namespace.c:706)
[  267.695110][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  267.695112][   T70]  ? kthread (kernel/kthread.c:436)
[  267.695115][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  267.695118][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  267.695123][   T70]  _printk (kernel/printk/printk.c:2504)
[  267.695128][   T70]  ? snapshot_read.cold (user.c:?)
[  267.695133][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  267.695138][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  267.695142][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  267.695146][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  267.695151][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.695153][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  267.695156][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  267.695159][   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)
[  267.695161][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  267.695166][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  267.695170][   T70]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  267.695174][   T70]  ? __up_write (kernel/locking/rwsem.c:1415)
[  267.695175][   T70]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  267.695180][   T70]  br_dev_delete (net/bridge/br_if.c:387)
[  267.695185][   T70]  br_net_exit_rtnl (net/bridge/br.c:414)
[  267.695189][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  267.695193][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  267.695197][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  267.695199][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  267.695203][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  267.695209][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  267.695213][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  267.695217][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.695220][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.695224][   T70]  process_one_work (kernel/workqueue.c:3387)
[  267.695233][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  267.695236][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  267.695246][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  267.695251][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  267.695254][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  267.695257][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  267.695260][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  267.695263][   T70]  kthread (kernel/kthread.c:436)
[  267.695265][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  267.695268][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  267.695272][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  267.695275][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  267.695279][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  267.695283][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  267.695286][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  272.757085][ T7332] softirqs last disabled at (147013): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  272.757088][ T7332] Preemption disabled at:
| [  272.757088][ T7332] vprintk_emit (kernel/printk/printk.c:2471)
| [  272.757098][ T7332] Tainted: [W]=WARN
[  272.757099][ T7332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  272.757100][ T7332] Call Trace:
[  272.757102][ T7332]  <TASK>
[  272.757104][ T7332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  272.757110][ T7332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  272.757112][ T7332]  __might_resched.cold (kernel/sched/core.c:9234)
[  272.757116][ T7332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  272.757121][ 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)
[  272.757126][ 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))
[  272.757128][ T7332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.757136][ 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)
[  272.757139][ T7332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.757143][ T7332]  put_chars (drivers/char/virtio_console.c:1176)
[  272.757146][ T7332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  272.757149][ T7332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  272.757152][ T7332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  272.757155][ T7332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  272.757160][ T7332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  272.757164][ T7332]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  272.757166][ T7332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.757168][ T7332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.757173][ T7332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  272.757175][ T7332]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  272.757180][ T7332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.757185][ T7332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  272.757190][ T7332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  272.757192][ 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))
[  272.757196][ T7332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.757198][ T7332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.757203][ T7332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  272.757208][ T7332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  272.757210][ T7332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.757216][ T7332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  272.757220][ T7332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  272.757222][ T7332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.757224][ 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)
[  272.757228][ T7332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  272.757230][ T7332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  272.757233][ T7332]  vprintk_emit (kernel/printk/printk.c:2479)
[  272.757237][ T7332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  272.757243][ T7332]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  272.757247][ T7332]  _printk (kernel/printk/printk.c:2504)
[  272.757251][ T7332]  ? snapshot_read.cold (user.c:?)
[  272.757259][ 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)
[  272.757263][ T7332] dp_init (net/openvswitch/actions.c:729) openvswitch
[  272.757271][ T7332]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  272.757274][ T7332]  do_one_initcall (init/main.c:1357)
[  272.757277][ T7332]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  272.757282][ T7332]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  272.757285][ T7332]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  272.757291][ T7332]  do_init_module (kernel/module/main.c:3117)
[  272.757295][ T7332]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  272.757300][ T7332]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  272.757303][ T7332]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  272.757307][ T7332]  load_module (kernel/module/main.c:3593)
[  272.757313][ T7332]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  272.757318][ T7332]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  272.757322][ T7332]  ? __ia32_sys_fsconfig (??:?)
[  272.757327][ T7332]  ? backing_file_read_iter (fs/backing-file.c:211)
[  272.757331][ T7332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  272.757335][ T7332]  init_module_from_file (kernel/module/main.c:3790)
[  272.757338][ T7332]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  272.757353][ T7332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  272.757357][ 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)
[  272.757361][ T7332]  idempotent_init_module (kernel/module/main.c:3802)
[  272.757364][ T7332]  ? init_module_from_file (kernel/module/main.c:3791)
[  272.757371][ T7332]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  272.757374][ T7332]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  272.757380][ T7332]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  272.757382][ T7332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  272.757386][ T7332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  272.757389][ T7332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  272.757392][ T7332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  272.757395][ T7332] RIP: 0033:0x7f08ce2e337d
[  272.757398][ 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
[  272.757400][ T7332] RSP: 002b:00007ffdb5b5cbf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  272.757403][ T7332] RAX: ffffffffffffffda RBX: 00005620d6e15810 RCX: 00007f08ce2e337d
[  272.757404][ T7332] RDX: 0000000000000000 RSI: 00005620ceee3ffd RDI: 0000000000000005
[  272.757405][ T7332] RBP: 00007ffdb5b5cc90 R08: 0000000000000000 R09: 646f6d2f62696c2f
[  272.757406][ T7332] R10: 0000000000000000 R11: 0000000000000246 R12: 00005620ceee3ffd
[  272.757407][ T7332] R13: 00005620d6e15a90 R14: 0000000000040000 R15: 0000000000000000
| [  274.371341][ T7366] softirqs last disabled at (391448): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  274.371344][ T7366] Preemption disabled at:
| [  274.371344][ T7366] vprintk_emit (kernel/printk/printk.c:2471)
| [  274.371354][ T7366] Tainted: [W]=WARN
[  274.371363][ T7366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  274.371365][ T7366] Call Trace:
[  274.371366][ T7366]  <TASK>
[  274.371368][ T7366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  274.371375][ T7366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  274.371377][ T7366]  __might_resched.cold (kernel/sched/core.c:9234)
[  274.371382][ T7366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  274.371387][ T7366]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  274.371392][ T7366]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  274.371394][ T7366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  274.371402][ T7366]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  274.371405][ T7366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  274.371409][ T7366]  put_chars (drivers/char/virtio_console.c:1176)
[  274.371412][ T7366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  274.371416][ T7366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  274.371419][ T7366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  274.371425][ T7366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  274.371429][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.371431][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.371437][ T7366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  274.371441][ T7366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  274.371444][ T7366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  274.371449][ T7366]  console_emit_next_record (kernel/printk/printk.c:3183)
[  274.371453][ T7366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  274.371455][ T7366]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  274.371459][ T7366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  274.371461][ T7366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  274.371466][ T7366]  console_flush_one_record (kernel/printk/printk.c:3268)
[  274.371473][ T7366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  274.371476][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.371486][ T7366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  274.371491][ T7366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  274.371494][ T7366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  274.371498][ T7366]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  274.371503][ T7366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  274.371505][ T7366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  274.371508][ T7366]  vprintk_emit (kernel/printk/printk.c:2479)
[  274.371512][ T7366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  274.371519][ T7366]  _printk (kernel/printk/printk.c:2504)
[  274.371523][ T7366]  ? snapshot_read.cold (user.c:?)
[  274.371526][ T7366]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  274.371530][ T7366]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  274.371534][ T7366]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  274.371536][ T7366]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  274.371540][ T7366]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  274.371545][ T7366]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  274.371548][ T7366]  ? netdev_notice (net/core/dev.c:13194)
[  274.371550][ T7366]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  274.371561][ T7366]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  274.371564][ T7366]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  274.371569][ T7366]  netif_set_promiscuity (net/core/dev.c:9699)
[  274.371573][ T7366]  dev_set_promiscuity (net/core/dev_api.c:288)
[  274.371575][ T7366]  ? dev_disable_lro (net/core/dev_api.c:267)
[  274.371578][ T7366] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  274.371584][ T7366] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  274.371590][ T7366] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  274.371594][ T7366]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  274.371599][ T7366] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  274.371606][ T7366]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  274.371610][ T7366]  ? __nla_validate_parse (lib/nlattr.c:635)
[  274.371618][ T7366]  ? __nla_parse (lib/nlattr.c:732)
[  274.371621][ T7366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  274.371627][ T7366]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  274.371631][ T7366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  274.371641][ T7366]  ? security_capable (security/security.c:660 (discriminator 11))
[  274.371647][ T7366]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  274.371651][ T7366]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  274.371654][ T7366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  274.371656][ T7366]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  274.371661][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.371668][ T7366]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  274.371672][ T7366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  274.371674][ T7366]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  274.371679][ T7366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  274.371688][ T7366]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  274.371690][ T7366]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  274.371699][ T7366]  genl_rcv (net/netlink/genetlink.c:1218)
[  274.371702][ T7366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  274.371707][ T7366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  274.371709][ T7366]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  274.371715][ T7366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.371719][ T7366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  274.371724][ T7366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  274.371726][ T7366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  274.371730][ T7366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  274.371736][ T7366]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  274.371739][ T7366]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  274.371743][ T7366]  __sys_sendto (net/socket.c:2281)
[  274.371747][ T7366]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  274.371761][ T7366]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  274.371767][ T7366]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  274.371770][ T7366]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  274.371774][ T7366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  274.371776][ T7366]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  274.371778][ T7366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  274.371781][ T7366]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  274.371784][ T7366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  274.371786][ T7366] RIP: 0033:0x7fd5554ed312
[  274.371790][ T7366] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  274.371792][ T7366] RSP: 002b:00007ffc59b48ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  274.371795][ T7366] RAX: ffffffffffffffda RBX: 00007ffc59b48c08 RCX: 00007fd5554ed312
[  274.371796][ T7366] RDX: 0000000000000038 RSI: 00007fd551123830 RDI: 0000000000000023
[  274.371797][ T7366] RBP: 00007ffc59b48b00 R08: 00007ffc59b48c80 R09: 000000000000000c
[  274.371798][ T7366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd55334a190
[  274.371799][ T7366] R13: 00007ffc59b48c08 R14: 00007fd554e0c01a R15: 00007ffc59b48ff8
| [  275.611740][ T7393] softirqs last disabled at (392558): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  275.611742][ T7393] Preemption disabled at:
| [  275.611743][ T7393] vprintk_emit (kernel/printk/printk.c:2471)
| [  275.611752][ T7393] Tainted: [W]=WARN
[  275.611753][ T7393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  275.611755][ T7393] Call Trace:
[  275.611756][ T7393]  <TASK>
[  275.611758][ T7393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  275.611765][ T7393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  275.611766][ T7393]  __might_resched.cold (kernel/sched/core.c:9234)
[  275.611771][ T7393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  275.611776][ T7393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  275.611781][ T7393]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  275.611784][ T7393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  275.611792][ T7393]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  275.611795][ T7393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  275.611799][ T7393]  put_chars (drivers/char/virtio_console.c:1176)
[  275.611802][ T7393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  275.611806][ T7393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  275.611809][ T7393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  275.611814][ T7393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  275.611819][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.611820][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.611826][ T7393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  275.611831][ T7393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.611833][ T7393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  275.611838][ T7393]  console_emit_next_record (kernel/printk/printk.c:3183)
[  275.611843][ T7393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  275.611845][ T7393]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  275.611849][ T7393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.611851][ T7393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  275.611856][ T7393]  console_flush_one_record (kernel/printk/printk.c:3268)
[  275.611862][ T7393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  275.611865][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.611875][ T7393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  275.611879][ T7393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  275.611881][ T7393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  275.611883][ T7393]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  275.611888][ T7393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  275.611890][ T7393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  275.611893][ T7393]  vprintk_emit (kernel/printk/printk.c:2479)
[  275.611897][ T7393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  275.611904][ T7393]  _printk (kernel/printk/printk.c:2504)
[  275.611908][ T7393]  ? snapshot_read.cold (user.c:?)
[  275.611911][ T7393]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  275.611915][ T7393]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  275.611918][ T7393]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  275.611920][ T7393]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  275.611922][ T7393]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  275.611926][ T7393]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  275.611931][ T7393]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  275.611934][ T7393]  ? netdev_notice (net/core/dev.c:13194)
[  275.611936][ T7393]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  275.611947][ T7393]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  275.611950][ T7393]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  275.611954][ T7393]  netif_set_promiscuity (net/core/dev.c:9699)
[  275.611958][ T7393]  dev_set_promiscuity (net/core/dev_api.c:288)
[  275.611961][ T7393]  ? dev_disable_lro (net/core/dev_api.c:267)
[  275.611963][ T7393] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  275.611970][ T7393] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  275.611975][ T7393] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  275.611980][ T7393]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  275.611985][ T7393] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  275.611992][ T7393]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  275.611996][ T7393]  ? __nla_validate_parse (lib/nlattr.c:635)
[  275.612003][ T7393]  ? __nla_parse (lib/nlattr.c:732)
[  275.612006][ T7393]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  275.612012][ T7393]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  275.612016][ T7393]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  275.612026][ T7393]  ? security_capable (security/security.c:660 (discriminator 11))
[  275.612031][ T7393]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  275.612035][ T7393]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  275.612038][ T7393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  275.612041][ T7393]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  275.612045][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.612052][ T7393]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  275.612057][ T7393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  275.612059][ T7393]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  275.612063][ T7393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  275.612072][ T7393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  275.612074][ T7393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  275.612079][ T7393]  genl_rcv (net/netlink/genetlink.c:1218)
[  275.612082][ T7393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  275.612086][ T7393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  275.612091][ T7393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  275.612095][ T7393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  275.612100][ T7393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  275.612102][ T7393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  275.612105][ T7393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  275.612111][ T7393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  275.612114][ T7393]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  275.612119][ T7393]  __sys_sendto (net/socket.c:2281)
[  275.612123][ T7393]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  275.612129][ T7393]  ? do_futex (kernel/futex/syscalls.c:138)
[  275.612133][ T7393]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  275.612142][ T7393]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  275.612146][ T7393]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  275.612149][ T7393]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  275.612152][ T7393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  275.612156][ T7393]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  275.612159][ T7393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  275.612161][ T7393]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  275.612164][ T7393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  275.612166][ T7393] RIP: 0033:0x7fcf255bc312
[  275.612171][ T7393] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  275.612173][ T7393] RSP: 002b:00007ffc3fedbd48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  275.612176][ T7393] RAX: ffffffffffffffda RBX: 00007ffc3fedbe78 RCX: 00007fcf255bc312
[  275.612177][ T7393] RDX: 0000000000000034 RSI: 00007fcf24b45370 RDI: 0000000000000023
[  275.612178][ T7393] RBP: 00007ffc3fedbd70 R08: 00007ffc3fedbef0 R09: 000000000000000c
[  275.612179][ T7393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcf2342a190
[  275.612180][ T7393] R13: 00007ffc3fedbe78 R14: 00007fcf24edb01a R15: 00007ffc3fedc268
| [  285.219457][   T70] softirqs last disabled at (8028886): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  285.219460][   T70] Preemption disabled at:
| [  285.219461][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  285.219470][   T70] Tainted: [W]=WARN
[  285.219472][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  285.219474][   T70] Workqueue: netns cleanup_net
[  285.219479][   T70] Call Trace:
[  285.219481][   T70]  <TASK>
[  285.219484][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  285.219492][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  285.219495][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  285.219502][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  285.219508][   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)
[  285.219516][   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))
[  285.219519][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.219531][   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)
[  285.219535][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.219541][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  285.219544][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  285.219548][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  285.219555][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  285.219560][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  285.219565][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  285.219572][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  285.219578][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  285.219582][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.219584][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.219593][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  285.219598][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  285.219605][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.219609][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.219617][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  285.219625][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  285.219628][   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))
[  285.219635][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.219639][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.219647][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  285.219656][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  285.219659][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.219671][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  285.219676][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  285.219680][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.219683][   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)
[  285.219691][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  285.219697][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  285.219703][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  285.219710][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  285.219715][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  285.219719][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  285.219735][   T70]  _printk (kernel/printk/printk.c:2504)
[  285.219741][   T70]  ? snapshot_read.cold (user.c:?)
[  285.219750][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  285.219756][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  285.219764][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  285.219769][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  285.219772][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  285.219780][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  285.219792][   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)
[  285.219797][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  285.219805][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  285.219811][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  285.219814][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  285.219820][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  285.219831][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  285.219840][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.219844][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  285.219856][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  285.219867][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  285.219884][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  285.219891][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  285.219896][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  285.219901][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  285.219909][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  285.219917][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  285.219923][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  285.219930][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  285.219939][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  285.219945][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  285.219953][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.219957][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.219964][   T70]  process_one_work (kernel/workqueue.c:3387)
[  285.219979][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  285.219985][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  285.220002][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  285.220011][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  285.220015][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  285.220020][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  285.220025][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  285.220029][   T70]  kthread (kernel/kthread.c:436)
[  285.220032][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  285.220037][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  285.220043][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  285.220050][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  285.220057][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  285.220063][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  285.220068][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  286.441133][ T7593] softirqs last disabled at (401682): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  286.441136][ T7593] Preemption disabled at:
| [  286.441137][ T7593] vprintk_emit (kernel/printk/printk.c:2471)
| [  286.441149][ T7593] Tainted: [W]=WARN
[  286.441150][ T7593] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  286.441153][ T7593] Call Trace:
[  286.441155][ T7593]  <TASK>
[  286.441157][ T7593]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  286.441165][ T7593]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  286.441168][ T7593]  __might_resched.cold (kernel/sched/core.c:9234)
[  286.441175][ T7593]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  286.441182][ T7593]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  286.441189][ T7593]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  286.441193][ T7593]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  286.441204][ T7593]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  286.441209][ T7593]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  286.441215][ T7593]  put_chars (drivers/char/virtio_console.c:1176)
[  286.441220][ T7593]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  286.441222][ T7593]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  286.441228][ T7593]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  286.441240][ T7593]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  286.441253][ T7593]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  286.441258][ T7593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.441262][ T7593]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  286.441270][ T7593]  console_emit_next_record (kernel/printk/printk.c:3183)
[  286.441278][ T7593]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  286.441281][ T7593]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  286.441287][ T7593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.441291][ T7593]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  286.441299][ T7593]  console_flush_one_record (kernel/printk/printk.c:3268)
[  286.441307][ T7593]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  286.441310][ T7593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.441321][ T7593]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  286.441326][ T7593]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  286.441329][ T7593]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.441333][ T7593]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  286.441340][ T7593]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  286.441343][ T7593]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  286.441349][ T7593]  vprintk_emit (kernel/printk/printk.c:2479)
[  286.441355][ T7593]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  286.441360][ T7593]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  286.441365][ T7593]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  286.441378][ T7593]  _printk (kernel/printk/printk.c:2504)
[  286.441384][ T7593]  ? snapshot_read.cold (user.c:?)
[  286.441393][ T7593]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  286.441399][ T7593]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  286.441407][ T7593]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  286.441411][ T7593]  ? netdev_notice (net/core/dev.c:13194)
[  286.441414][ T7593]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  286.441428][ T7593]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  286.441439][ T7593]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  286.441444][ T7593]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  286.441452][ T7593]  netif_set_promiscuity (net/core/dev.c:9699)
[  286.441458][ T7593]  dev_set_promiscuity (net/core/dev_api.c:288)
[  286.441461][ T7593]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  286.441467][ T7593] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  286.441474][ T7593]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  286.441481][ T7593] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  286.441490][ T7593] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  286.441505][ T7593]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  286.441512][ T7593]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  286.441530][ T7593]  ? security_capable (security/security.c:660 (discriminator 11))
[  286.441537][ T7593]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  286.441545][ T7593]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  286.441549][ T7593]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  286.441554][ T7593]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  286.441562][ T7593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.441574][ T7593]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  286.441580][ T7593]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  286.441584][ T7593]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  286.441590][ T7593]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  286.441606][ T7593]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  286.441609][ T7593]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  286.441617][ T7593]  genl_rcv (net/netlink/genetlink.c:1218)
[  286.441620][ T7593]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  286.441628][ T7593]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  286.441636][ T7593]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.441643][ T7593]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  286.441651][ T7593]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  286.441654][ T7593]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  286.441660][ T7593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  286.441670][ T7593]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  286.441675][ T7593]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  286.441681][ T7593]  __sys_sendto (net/socket.c:2281)
[  286.441686][ T7593]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  286.441701][ T7593]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  286.441721][ T7593]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  286.441729][ T7593]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  286.441733][ T7593]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  286.441738][ T7593]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  286.441743][ T7593]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  286.441747][ T7593]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  286.441750][ T7593]  ? irq_exit_rcu (kernel/softirq.c:786)
[  286.441757][ T7593]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  286.441760][ T7593] RIP: 0033:0x7fae5b7d8312
[  286.441765][ T7593] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  286.441769][ T7593] RSP: 002b:00007ffea71eb1e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  286.441773][ T7593] RAX: ffffffffffffffda RBX: 00007ffea71eb318 RCX: 00007fae5b7d8312
[  286.441775][ T7593] RDX: 0000000000000024 RSI: 00007fae5824cc30 RDI: 0000000000000023
[  286.441777][ T7593] RBP: 00007ffea71eb210 R08: 00007ffea71eb390 R09: 000000000000000c
[  286.441779][ T7593] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fae59645fd0
[  286.441780][ T7593] R13: 00007ffea71eb318 R14: 00007fae5b0f701a R15: 00007ffea71eb708
| [  288.285221][ T7619] softirqs last disabled at (380380): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  288.285224][ T7619] Preemption disabled at:
| [  288.285225][ T7619] vprintk_emit (kernel/printk/printk.c:2471)
| [  288.285233][ T7619] Tainted: [W]=WARN
[  288.285234][ T7619] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  288.285236][ T7619] Call Trace:
[  288.285237][ T7619]  <TASK>
[  288.285239][ T7619]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  288.285245][ T7619]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  288.285247][ T7619]  __might_resched.cold (kernel/sched/core.c:9234)
[  288.285252][ T7619]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  288.285256][ T7619]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  288.285261][ T7619]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  288.285264][ T7619]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  288.285271][ T7619]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  288.285274][ T7619]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  288.285279][ T7619]  put_chars (drivers/char/virtio_console.c:1176)
[  288.285282][ T7619]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  288.285283][ T7619]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  288.285287][ T7619]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  288.285294][ T7619]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  288.285303][ T7619]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  288.285306][ T7619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  288.285308][ T7619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  288.285313][ T7619]  console_emit_next_record (kernel/printk/printk.c:3183)
[  288.285318][ T7619]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  288.285320][ T7619]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  288.285324][ T7619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  288.285326][ T7619]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  288.285331][ T7619]  console_flush_one_record (kernel/printk/printk.c:3268)
[  288.285336][ T7619]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  288.285338][ T7619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  288.285345][ T7619]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  288.285348][ T7619]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  288.285350][ T7619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  288.285352][ T7619]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  288.285356][ T7619]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  288.285358][ T7619]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  288.285362][ T7619]  vprintk_emit (kernel/printk/printk.c:2479)
[  288.285366][ T7619]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  288.285368][ T7619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  288.285370][ T7619]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  288.285376][ T7619]  _printk (kernel/printk/printk.c:2504)
[  288.285379][ T7619]  ? snapshot_read.cold (user.c:?)
[  288.285384][ T7619]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  288.285386][ T7619]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  288.285389][ T7619]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  288.285394][ T7619]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  288.285397][ T7619]  ? netdev_notice (net/core/dev.c:13194)
[  288.285399][ T7619]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  288.285406][ T7619]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  288.285413][ T7619]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  288.285416][ T7619]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  288.285420][ T7619]  netif_set_promiscuity (net/core/dev.c:9699)
[  288.285425][ T7619]  dev_set_promiscuity (net/core/dev_api.c:288)
[  288.285429][ T7619] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  288.285443][ T7619] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  288.285451][ T7619] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  288.285457][ T7619]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  288.285461][ T7619]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  288.285472][ T7619]  ? security_capable (security/security.c:660 (discriminator 11))
[  288.285477][ T7619]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  288.285481][ T7619]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  288.285484][ T7619]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  288.285486][ T7619]  ? __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
[  288.285491][ T7619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  288.285498][ T7619]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  288.285502][ T7619]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  288.285504][ T7619]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  288.285508][ T7619]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  288.285517][ T7619]  ? 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))
[  288.285519][ T7619]  ? 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))
[  288.285524][ T7619]  genl_rcv (net/netlink/genetlink.c:1218)
[  288.285527][ T7619]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  288.285532][ T7619]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  288.285536][ T7619]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  288.285540][ T7619]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  288.285545][ T7619]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  288.285547][ T7619]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  288.285551][ T7619]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  288.285557][ T7619]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  288.285560][ T7619]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  288.285564][ T7619]  __sys_sendto (net/socket.c:2281)
[  288.285568][ T7619]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  288.285581][ T7619]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  288.285588][ T7619]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  288.285590][ T7619]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  288.285594][ T7619]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  288.285596][ T7619]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  288.285598][ T7619]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  288.285600][ T7619]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  288.285603][ T7619]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  288.285606][ T7619] RIP: 0033:0x7f5651439312
[  288.285609][ T7619] 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)
[  288.285611][ T7619] RSP: 002b:00007fff635e9038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  288.285614][ T7619] RAX: ffffffffffffffda RBX: 00007fff635e9168 RCX: 00007f5651439312
[  288.285615][ T7619] RDX: 0000000000000024 RSI: 00007f564d0328e0 RDI: 0000000000000020
[  288.285616][ T7619] RBP: 00007fff635e9060 R08: 00007fff635e91e0 R09: 000000000000000c
[  288.285617][ T7619] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f564f295e80
[  288.285618][ T7619] R13: 00007fff635e9168 R14: 00007f5650d5801a R15: 00007fff635e9558
| [  292.204345][ T7726] softirqs last disabled at (392780): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  292.204347][ T7726] Preemption disabled at:
| [  292.204348][ T7726] vprintk_emit (kernel/printk/printk.c:2471)
| [  292.204357][ T7726] Tainted: [W]=WARN
[  292.204358][ T7726] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  292.204359][ T7726] Call Trace:
[  292.204361][ T7726]  <TASK>
[  292.204363][ T7726]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  292.204369][ T7726]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  292.204371][ T7726]  __might_resched.cold (kernel/sched/core.c:9234)
[  292.204376][ T7726]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  292.204381][ T7726]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  292.204385][ T7726]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  292.204388][ T7726]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  292.204395][ T7726]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  292.204398][ T7726]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  292.204403][ T7726]  put_chars (drivers/char/virtio_console.c:1176)
[  292.204405][ T7726]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  292.204409][ T7726]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  292.204412][ T7726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  292.204415][ T7726]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  292.204420][ T7726]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  292.204424][ T7726]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  292.204426][ T7726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.204428][ T7726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.204433][ T7726]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  292.204435][ T7726]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  292.204440][ T7726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.204445][ T7726]  console_emit_next_record (kernel/printk/printk.c:3183)
[  292.204450][ T7726]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  292.204452][ T7726]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  292.204463][ T7726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.204465][ T7726]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.204470][ T7726]  console_flush_one_record (kernel/printk/printk.c:3268)
[  292.204475][ T7726]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  292.204477][ T7726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.204483][ T7726]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  292.204486][ T7726]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  292.204489][ T7726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.204491][ T7726]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  292.204495][ T7726]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  292.204497][ T7726]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  292.204500][ T7726]  vprintk_emit (kernel/printk/printk.c:2479)
[  292.204504][ T7726]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  292.204507][ T7726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  292.204509][ T7726]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  292.204514][ T7726]  _printk (kernel/printk/printk.c:2504)
[  292.204518][ T7726]  ? snapshot_read.cold (user.c:?)
[  292.204520][ T7726]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  292.204527][ T7726]  ? idr_get_free (??:?)
[  292.204532][ T7726]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  292.204543][ T7726]  ? nla_get_range_signed (lib/nlattr.c:270)
[  292.204549][ T7726]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.204551][ T7726]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  292.204556][ T7726]  __nla_validate_parse (lib/nlattr.c:635)
[  292.204562][ T7726]  __nla_parse (lib/nlattr.c:732)
[  292.204565][ T7726]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  292.204571][ T7726]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  292.204575][ T7726]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  292.204584][ T7726]  ? security_capable (security/security.c:660 (discriminator 11))
[  292.204590][ T7726]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  292.204594][ T7726]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  292.204596][ T7726]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  292.204599][ T7726]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  292.204608][ T7726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.204615][ T7726]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  292.204619][ T7726]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  292.204621][ T7726]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  292.204625][ T7726]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  292.204634][ T7726]  ? 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))
[  292.204636][ T7726]  ? 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))
[  292.204640][ T7726]  genl_rcv (net/netlink/genetlink.c:1218)
[  292.204643][ T7726]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  292.204647][ T7726]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  292.204652][ T7726]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.204656][ T7726]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  292.204660][ T7726]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  292.204662][ T7726]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  292.204666][ T7726]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  292.204672][ T7726]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  292.204675][ T7726]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  292.204679][ T7726]  __sys_sendto (net/socket.c:2281)
[  292.204682][ T7726]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  292.204699][ T7726]  ? fput_close_sync (fs/file_table.c:617)
[  292.204703][ T7726]  ? alloc_file_clone (fs/file_table.c:479)
[  292.204708][ T7726]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  292.204710][ T7726]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  292.204714][ T7726]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  292.204717][ T7726]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  292.204719][ T7726]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  292.204721][ T7726]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  292.204724][ T7726]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  292.204727][ T7726] RIP: 0033:0x7f0db41a4312
[  292.204730][ T7726] 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)
[  292.204732][ T7726] RSP: 002b:00007ffecaa81808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.204735][ T7726] RAX: ffffffffffffffda RBX: 00007ffecaa81938 RCX: 00007f0db41a4312
[  292.204737][ T7726] RDX: 0000000000000044 RSI: 00007f0db1ef31e0 RDI: 0000000000000020
[  292.204737][ T7726] RBP: 00007ffecaa81830 R08: 00007ffecaa819b0 R09: 000000000000000c
[  292.204738][ T7726] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0db20120b0
[  292.204739][ T7726] R13: 00007ffecaa81938 R14: 00007f0db3ac301a R15: 00007ffecaa81d28
| [  293.609132][ T7759] softirqs last disabled at (375492): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  293.609134][ T7759] Preemption disabled at:
| [  293.609135][ T7759] vprintk_emit (kernel/printk/printk.c:2471)
| [  293.609144][ T7759] Tainted: [W]=WARN
[  293.609145][ T7759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  293.609147][ T7759] Call Trace:
[  293.609149][ T7759]  <TASK>
[  293.609151][ T7759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  293.609157][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  293.609159][ T7759]  __might_resched.cold (kernel/sched/core.c:9234)
[  293.609164][ T7759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  293.609169][ T7759]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  293.609174][ T7759]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  293.609176][ T7759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  293.609184][ T7759]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  293.609187][ T7759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  293.609191][ T7759]  put_chars (drivers/char/virtio_console.c:1176)
[  293.609194][ T7759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  293.609198][ T7759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  293.609201][ T7759]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  293.609206][ T7759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  293.609211][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.609213][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.609219][ T7759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  293.609223][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.609226][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.609231][ T7759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  293.609236][ T7759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  293.609238][ T7759]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  293.609242][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.609244][ T7759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  293.609249][ T7759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  293.609254][ T7759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  293.609256][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.609263][ T7759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  293.609266][ T7759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  293.609269][ T7759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  293.609271][ T7759]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  293.609275][ T7759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  293.609277][ T7759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  293.609281][ T7759]  vprintk_emit (kernel/printk/printk.c:2479)
[  293.609285][ T7759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  293.609291][ T7759]  _printk (kernel/printk/printk.c:2504)
[  293.609295][ T7759]  ? snapshot_read.cold (user.c:?)
[  293.609299][ T7759]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  293.609302][ T7759]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  293.609307][ T7759]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  293.609309][ T7759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  293.609313][ T7759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  293.609318][ T7759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  293.609321][ T7759]  ? netdev_notice (net/core/dev.c:13194)
[  293.609323][ T7759]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  293.609334][ T7759]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  293.609337][ T7759]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  293.609341][ T7759]  netif_set_promiscuity (net/core/dev.c:9699)
[  293.609345][ T7759]  dev_set_promiscuity (net/core/dev_api.c:288)
[  293.609347][ T7759]  ? dev_disable_lro (net/core/dev_api.c:267)
[  293.609350][ T7759] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  293.609357][ T7759] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  293.609362][ T7759] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  293.609367][ T7759]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  293.609372][ T7759] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  293.609379][ T7759]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  293.609382][ T7759]  ? __nla_validate_parse (lib/nlattr.c:635)
[  293.609390][ T7759]  ? __nla_parse (lib/nlattr.c:732)
[  293.609392][ T7759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  293.609398][ T7759]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  293.609403][ T7759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  293.609413][ T7759]  ? security_capable (security/security.c:660 (discriminator 11))
[  293.609418][ T7759]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  293.609423][ T7759]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  293.609426][ T7759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  293.609428][ T7759]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  293.609433][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.609440][ T7759]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  293.609444][ T7759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  293.609446][ T7759]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  293.609450][ T7759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  293.609459][ T7759]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  293.609469][ T7759]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  293.609474][ T7759]  genl_rcv (net/netlink/genetlink.c:1218)
[  293.609477][ T7759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  293.609482][ T7759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  293.609486][ T7759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  293.609491][ T7759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  293.609496][ T7759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  293.609498][ T7759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  293.609501][ T7759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  293.609507][ T7759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  293.609511][ T7759]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  293.609515][ T7759]  __sys_sendto (net/socket.c:2281)
[  293.609518][ T7759]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  293.609532][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  293.609540][ T7759]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  293.609543][ T7759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  293.609547][ T7759]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  293.609549][ T7759]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  293.609551][ T7759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  293.609554][ T7759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  293.609557][ T7759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  293.609559][ T7759] RIP: 0033:0x7f320afe7312
[  293.609563][ T7759] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  293.609565][ T7759] RSP: 002b:00007fffea5ddca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  293.609568][ T7759] RAX: ffffffffffffffda RBX: 00007fffea5dddd8 RCX: 00007f320afe7312
[  293.609570][ T7759] RDX: 0000000000000038 RSI: 00007f320842d1f0 RDI: 0000000000000023
[  293.609571][ T7759] RBP: 00007fffea5ddcd0 R08: 00007fffea5dde50 R09: 000000000000000c
[  293.609571][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3208e4e190
[  293.609572][ T7759] R13: 00007fffea5dddd8 R14: 00007f320a90601a R15: 00007fffea5de1c8
| [  294.790422][ T7786] softirqs last disabled at (391340): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  294.790425][ T7786] Preemption disabled at:
| [  294.790425][ T7786] vprintk_emit (kernel/printk/printk.c:2471)
| [  294.790434][ T7786] Tainted: [W]=WARN
[  294.790436][ T7786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  294.790437][ T7786] Call Trace:
[  294.790439][ T7786]  <TASK>
[  294.790441][ T7786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  294.790448][ T7786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  294.790450][ T7786]  __might_resched.cold (kernel/sched/core.c:9234)
[  294.790455][ T7786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  294.790460][ T7786]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  294.790465][ T7786]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  294.790475][ T7786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  294.790483][ T7786]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  294.790486][ T7786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  294.790490][ T7786]  put_chars (drivers/char/virtio_console.c:1176)
[  294.790493][ T7786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  294.790498][ T7786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  294.790501][ T7786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  294.790506][ T7786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  294.790511][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  294.790513][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  294.790519][ T7786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  294.790523][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  294.790525][ T7786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  294.790530][ T7786]  console_emit_next_record (kernel/printk/printk.c:3183)
[  294.790535][ T7786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  294.790537][ T7786]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  294.790541][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  294.790543][ T7786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  294.790548][ T7786]  console_flush_one_record (kernel/printk/printk.c:3268)
[  294.790553][ T7786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  294.790555][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  294.790562][ T7786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  294.790566][ T7786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  294.790568][ T7786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  294.790570][ T7786]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  294.790574][ T7786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  294.790576][ T7786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  294.790579][ T7786]  vprintk_emit (kernel/printk/printk.c:2479)
[  294.790583][ T7786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  294.790590][ T7786]  _printk (kernel/printk/printk.c:2504)
[  294.790594][ T7786]  ? snapshot_read.cold (user.c:?)
[  294.790597][ T7786]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  294.790601][ T7786]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  294.790604][ T7786]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  294.790607][ T7786]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  294.790609][ T7786]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  294.790613][ T7786]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  294.790618][ T7786]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  294.790621][ T7786]  ? netdev_notice (net/core/dev.c:13194)
[  294.790623][ T7786]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  294.790634][ T7786]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  294.790637][ T7786]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  294.790641][ T7786]  netif_set_promiscuity (net/core/dev.c:9699)
[  294.790645][ T7786]  dev_set_promiscuity (net/core/dev_api.c:288)
[  294.790647][ T7786]  ? dev_disable_lro (net/core/dev_api.c:267)
[  294.790650][ T7786] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  294.790657][ T7786] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  294.790662][ T7786] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  294.790667][ T7786]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  294.790672][ T7786] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  294.790679][ T7786]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  294.790683][ T7786]  ? __nla_validate_parse (lib/nlattr.c:635)
[  294.790690][ T7786]  ? __nla_parse (lib/nlattr.c:732)
[  294.790696][ T7786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  294.790702][ T7786]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  294.790706][ T7786]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  294.790717][ T7786]  ? security_capable (security/security.c:660 (discriminator 11))
[  294.790722][ T7786]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  294.790726][ T7786]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  294.790729][ T7786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  294.790731][ T7786]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  294.790736][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  294.790743][ T7786]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  294.790747][ T7786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  294.790750][ T7786]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  294.790754][ T7786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  294.790763][ T7786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  294.790765][ T7786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  294.790770][ T7786]  genl_rcv (net/netlink/genetlink.c:1218)
[  294.790773][ T7786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  294.790778][ T7786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  294.790782][ T7786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  294.790786][ T7786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  294.790791][ T7786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  294.790793][ T7786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  294.790797][ T7786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  294.790803][ T7786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  294.790807][ T7786]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  294.790811][ T7786]  __sys_sendto (net/socket.c:2281)
[  294.790815][ T7786]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  294.790821][ T7786]  ? do_futex (kernel/futex/syscalls.c:138)
[  294.790825][ T7786]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  294.790833][ T7786]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  294.790841][ T7786]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  294.790843][ T7786]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  294.790847][ T7786]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  294.790851][ T7786]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  294.790853][ T7786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  294.790856][ T7786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  294.790859][ T7786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  294.790862][ T7786] RIP: 0033:0x7f09231cf312
[  294.790867][ T7786] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  294.790870][ T7786] RSP: 002b:00007ffe6e1a8de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  294.790874][ T7786] RAX: ffffffffffffffda RBX: 00007ffe6e1a8f18 RCX: 00007f09231cf312
[  294.790875][ T7786] RDX: 0000000000000034 RSI: 00007f09204897f0 RDI: 0000000000000023
[  294.790876][ T7786] RBP: 00007ffe6e1a8e10 R08: 00007ffe6e1a8f90 R09: 000000000000000c
[  294.790877][ T7786] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0921032190
[  294.790878][ T7786] R13: 00007ffe6e1a8f18 R14: 00007f0922aee01a R15: 00007ffe6e1a9308
| [  304.804171][   T70] softirqs last disabled at (8225568): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  304.804173][   T70] Preemption disabled at:
| [  304.804174][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  304.804183][   T70] Tainted: [W]=WARN
[  304.804185][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  304.804186][   T70] Workqueue: netns cleanup_net
[  304.804190][   T70] Call Trace:
[  304.804192][   T70]  <TASK>
[  304.804194][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  304.804200][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  304.804202][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  304.804207][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  304.804211][   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)
[  304.804216][   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))
[  304.804218][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  304.804226][   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)
[  304.804229][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  304.804233][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  304.804235][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  304.804238][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  304.804242][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  304.804245][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  304.804248][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  304.804253][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  304.804257][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  304.804259][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.804261][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.804266][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  304.804269][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  304.804273][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.804275][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  304.804280][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  304.804285][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  304.804287][   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))
[  304.804291][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.804293][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  304.804298][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  304.804303][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  304.804306][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  304.804312][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  304.804316][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  304.804318][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.804320][   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)
[  304.804324][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  304.804326][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  304.804330][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  304.804333][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  304.804337][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  304.804339][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  304.804349][   T70]  _printk (kernel/printk/printk.c:2504)
[  304.804353][   T70]  ? snapshot_read.cold (user.c:?)
[  304.804358][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  304.804362][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  304.804367][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  304.804370][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  304.804372][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  304.804377][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  304.804383][   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)
[  304.804386][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  304.804390][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  304.804394][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  304.804396][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  304.804400][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  304.804407][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  304.804413][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.804416][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  304.804422][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  304.804428][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  304.804438][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  304.804442][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  304.804445][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  304.804448][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  304.804453][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  304.804457][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  304.804461][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  304.804463][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  304.804467][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  304.804474][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  304.804480][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  304.804487][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  304.804491][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  304.804498][   T70]  process_one_work (kernel/workqueue.c:3387)
[  304.804511][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  304.804517][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  304.804540][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  304.804548][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  304.804552][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  304.804557][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  304.804562][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  304.804566][   T70]  kthread (kernel/kthread.c:436)
[  304.804569][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  304.804574][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  304.804580][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  304.804586][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  304.804593][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  304.804599][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  304.804605][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  305.921235][ T7986] softirqs last disabled at (382566): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  305.921237][ T7986] Preemption disabled at:
| [  305.921238][ T7986] vprintk_emit (kernel/printk/printk.c:2471)
| [  305.921247][ T7986] Tainted: [W]=WARN
[  305.921248][ T7986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  305.921250][ T7986] Call Trace:
[  305.921251][ T7986]  <TASK>
[  305.921253][ T7986]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  305.921259][ T7986]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  305.921261][ T7986]  __might_resched.cold (kernel/sched/core.c:9234)
[  305.921266][ T7986]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  305.921271][ T7986]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  305.921276][ T7986]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  305.921278][ T7986]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  305.921285][ T7986]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  305.921289][ T7986]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  305.921293][ T7986]  put_chars (drivers/char/virtio_console.c:1176)
[  305.921296][ T7986]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  305.921297][ T7986]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  305.921301][ T7986]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  305.921304][ T7986]  ? __schedule (kernel/sched/core.c:7277)
[  305.921310][ T7986]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  305.921319][ T7986]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  305.921322][ T7986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.921325][ T7986]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.921330][ T7986]  console_emit_next_record (kernel/printk/printk.c:3183)
[  305.921335][ T7986]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  305.921337][ T7986]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  305.921341][ T7986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.921343][ T7986]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  305.921347][ T7986]  console_flush_one_record (kernel/printk/printk.c:3268)
[  305.921353][ T7986]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  305.921355][ T7986]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  305.921361][ T7986]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  305.921365][ T7986]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  305.921367][ T7986]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  305.921369][ T7986]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  305.921373][ T7986]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  305.921375][ T7986]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  305.921379][ T7986]  vprintk_emit (kernel/printk/printk.c:2479)
[  305.921382][ T7986]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  305.921386][ T7986]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  305.921388][ T7986]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  305.921397][ T7986]  _printk (kernel/printk/printk.c:2504)
[  305.921402][ T7986]  ? snapshot_read.cold (user.c:?)
[  305.921407][ T7986]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  305.921411][ T7986]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  305.921416][ T7986]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  305.921419][ T7986]  ? netdev_notice (net/core/dev.c:13194)
[  305.921421][ T7986]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  305.921426][ T7986]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  305.921432][ T7986]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  305.921435][ T7986]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  305.921439][ T7986]  netif_set_promiscuity (net/core/dev.c:9699)
[  305.921443][ T7986]  dev_set_promiscuity (net/core/dev_api.c:288)
[  305.921445][ T7986]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  305.921450][ T7986] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  305.921454][ T7986]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  305.921458][ T7986] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  305.921464][ T7986] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  305.921474][ T7986]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  305.921481][ T7986]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  305.921496][ T7986]  ? security_capable (security/security.c:660 (discriminator 11))
[  305.921502][ T7986]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  305.921506][ T7986]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  305.921509][ T7986]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  305.921512][ T7986]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  305.921517][ T7986]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  305.921524][ T7986]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  305.921528][ T7986]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  305.921537][ T7986]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  305.921541][ T7986]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  305.921550][ T7986]  ? 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))
[  305.921552][ T7986]  ? 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))
[  305.921557][ T7986]  genl_rcv (net/netlink/genetlink.c:1218)
[  305.921559][ T7986]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  305.921564][ T7986]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  305.921569][ T7986]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  305.921573][ T7986]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  305.921578][ T7986]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  305.921580][ T7986]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  305.921584][ T7986]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  305.921590][ T7986]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  305.921593][ T7986]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  305.921597][ T7986]  __sys_sendto (net/socket.c:2281)
[  305.921601][ T7986]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  305.921614][ T7986]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  305.921620][ T7986]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  305.921623][ T7986]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  305.921627][ T7986]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  305.921629][ T7986]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  305.921631][ T7986]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  305.921634][ T7986]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  305.921637][ T7986]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  305.921639][ T7986] RIP: 0033:0x7f5ab5531312
[  305.921643][ T7986] 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)
[  305.921645][ T7986] RSP: 002b:00007ffc6fce0f68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  305.921648][ T7986] RAX: ffffffffffffffda RBX: 00007ffc6fce1098 RCX: 00007f5ab5531312
[  305.921649][ T7986] RDX: 0000000000000024 RSI: 00007f5ab1184480 RDI: 0000000000000023
[  305.921650][ T7986] RBP: 00007ffc6fce0f90 R08: 00007ffc6fce1110 R09: 000000000000000c
[  305.921651][ T7986] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3389fd0
[  305.921652][ T7986] R13: 00007ffc6fce1098 R14: 00007f5ab4e5001a R15: 00007ffc6fce1488
| [  307.766546][ T8012] softirqs last disabled at (382574): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  307.766549][ T8012] Preemption disabled at:
| [  307.766550][ T8012] vprintk_emit (kernel/printk/printk.c:2471)
| [  307.766559][ T8012] Tainted: [W]=WARN
[  307.766560][ T8012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  307.766562][ T8012] Call Trace:
[  307.766564][ T8012]  <TASK>
[  307.766565][ T8012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  307.766572][ T8012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  307.766574][ T8012]  __might_resched.cold (kernel/sched/core.c:9234)
[  307.766579][ T8012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  307.766584][ T8012]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  307.766589][ T8012]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  307.766591][ T8012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.766599][ T8012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  307.766602][ T8012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.766606][ T8012]  put_chars (drivers/char/virtio_console.c:1176)
[  307.766609][ T8012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  307.766610][ T8012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  307.766614][ T8012]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  307.766621][ T8012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  307.766630][ T8012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  307.766633][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.766636][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.766641][ T8012]  console_emit_next_record (kernel/printk/printk.c:3183)
[  307.766646][ T8012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  307.766648][ T8012]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  307.766651][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.766653][ T8012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.766658][ T8012]  console_flush_one_record (kernel/printk/printk.c:3268)
[  307.766663][ T8012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  307.766665][ T8012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.766672][ T8012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  307.766675][ T8012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  307.766677][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.766679][ T8012]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  307.766684][ T8012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  307.766686][ T8012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  307.766689][ T8012]  vprintk_emit (kernel/printk/printk.c:2479)
[  307.766696][ T8012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  307.766698][ T8012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  307.766701][ T8012]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  307.766706][ T8012]  _printk (kernel/printk/printk.c:2504)
[  307.766710][ T8012]  ? snapshot_read.cold (user.c:?)
[  307.766715][ T8012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.766716][ T8012]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  307.766721][ T8012]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  307.766725][ T8012]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  307.766728][ T8012]  ? netdev_notice (net/core/dev.c:13194)
[  307.766730][ T8012]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  307.766737][ T8012]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  307.766744][ T8012]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  307.766747][ T8012]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  307.766751][ T8012]  netif_set_promiscuity (net/core/dev.c:9699)
[  307.766756][ T8012]  dev_set_promiscuity (net/core/dev_api.c:288)
[  307.766760][ T8012] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  307.766765][ T8012] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  307.766774][ T8012] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  307.766780][ T8012]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  307.766784][ T8012]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  307.766794][ T8012]  ? security_capable (security/security.c:660 (discriminator 11))
[  307.766799][ T8012]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  307.766804][ T8012]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  307.766807][ T8012]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  307.766809][ T8012]  ? __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
[  307.766814][ T8012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.766821][ T8012]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  307.766825][ T8012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  307.766827][ T8012]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  307.766831][ T8012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  307.766840][ T8012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  307.766842][ T8012]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  307.766847][ T8012]  genl_rcv (net/netlink/genetlink.c:1218)
[  307.766850][ T8012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  307.766855][ T8012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  307.766859][ T8012]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.766866][ T8012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  307.766872][ T8012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  307.766873][ T8012]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  307.766877][ T8012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  307.766883][ T8012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  307.766886][ T8012]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  307.766890][ T8012]  __sys_sendto (net/socket.c:2281)
[  307.766894][ T8012]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  307.766901][ T8012]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  307.766911][ T8012]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  307.766915][ T8012]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  307.766918][ T8012]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  307.766922][ T8012]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  307.766924][ T8012]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  307.766927][ T8012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  307.766929][ T8012]  ? irq_exit_rcu (kernel/softirq.c:786)
[  307.766934][ T8012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  307.766936][ T8012] RIP: 0033:0x7f98377ee312
[  307.766940][ T8012] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  307.766942][ T8012] RSP: 002b:00007ffdc7418568 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  307.766945][ T8012] RAX: ffffffffffffffda RBX: 00007ffdc7418698 RCX: 00007f98377ee312
[  307.766947][ T8012] RDX: 0000000000000024 RSI: 00007f98343f6820 RDI: 0000000000000020
[  307.766948][ T8012] RBP: 00007ffdc7418590 R08: 00007ffdc7418710 R09: 000000000000000c
[  307.766949][ T8012] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9835651e80
[  307.766949][ T8012] R13: 00007ffdc7418698 R14: 00007f983710d01a R15: 00007ffdc7418a88
| [  311.468943][ T8107] softirqs last disabled at (390410): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  311.468947][ T8107] Preemption disabled at:
| [  311.468948][ T8107] vprintk_emit (kernel/printk/printk.c:2471)
| [  311.468960][ T8107] Tainted: [W]=WARN
[  311.468961][ T8107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  311.468964][ T8107] Call Trace:
[  311.468966][ T8107]  <TASK>
[  311.468968][ T8107]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  311.468976][ T8107]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  311.468979][ T8107]  __might_resched.cold (kernel/sched/core.c:9234)
[  311.468985][ T8107]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  311.468991][ T8107]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  311.468998][ T8107]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  311.469001][ T8107]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  311.469011][ T8107]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  311.469015][ T8107]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  311.469022][ T8107]  put_chars (drivers/char/virtio_console.c:1176)
[  311.469026][ T8107]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  311.469032][ T8107]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  311.469037][ T8107]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  311.469041][ T8107]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  311.469048][ T8107]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  311.469054][ T8107]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  311.469057][ T8107]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.469060][ T8107]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.469068][ T8107]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  311.469071][ T8107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  311.469080][ T8107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.469088][ T8107]  console_emit_next_record (kernel/printk/printk.c:3183)
[  311.469095][ T8107]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  311.469098][ T8107]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  311.469104][ T8107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.469108][ T8107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.469116][ T8107]  console_flush_one_record (kernel/printk/printk.c:3268)
[  311.469124][ T8107]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  311.469127][ T8107]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.469138][ T8107]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  311.469143][ T8107]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  311.469146][ T8107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.469150][ T8107]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  311.469157][ T8107]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  311.469160][ T8107]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  311.469166][ T8107]  vprintk_emit (kernel/printk/printk.c:2479)
[  311.469172][ T8107]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  311.469177][ T8107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  311.469180][ T8107]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  311.469189][ T8107]  _printk (kernel/printk/printk.c:2504)
[  311.469195][ T8107]  ? snapshot_read.cold (user.c:?)
[  311.469197][ T8107]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  311.469207][ T8107]  ? idr_get_free (??:?)
[  311.469217][ T8107]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  311.469231][ T8107]  ? nla_get_range_signed (lib/nlattr.c:270)
[  311.469241][ T8107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.469244][ T8107]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  311.469252][ T8107]  __nla_validate_parse (lib/nlattr.c:635)
[  311.469261][ T8107]  __nla_parse (lib/nlattr.c:732)
[  311.469266][ T8107]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  311.469275][ T8107]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  311.469282][ T8107]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  311.469298][ T8107]  ? security_capable (security/security.c:660 (discriminator 11))
[  311.469306][ T8107]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  311.469313][ T8107]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  311.469317][ T8107]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  311.469321][ T8107]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  311.469334][ T8107]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.469345][ T8107]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  311.469352][ T8107]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  311.469355][ T8107]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  311.469362][ T8107]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  311.469375][ T8107]  ? 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))
[  311.469378][ T8107]  ? 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))
[  311.469386][ T8107]  genl_rcv (net/netlink/genetlink.c:1218)
[  311.469389][ T8107]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  311.469396][ T8107]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  311.469403][ T8107]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  311.469410][ T8107]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  311.469417][ T8107]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  311.469420][ T8107]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  311.469425][ T8107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  311.469434][ T8107]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  311.469438][ T8107]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  311.469443][ T8107]  __sys_sendto (net/socket.c:2281)
[  311.469449][ T8107]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  311.469461][ T8107]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  311.469476][ T8107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  311.469483][ T8107]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  311.469487][ T8107]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  311.469492][ T8107]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  311.469496][ T8107]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  311.469500][ T8107]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  311.469503][ T8107]  ? irq_exit_rcu (kernel/softirq.c:786)
[  311.469510][ T8107]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  311.469513][ T8107] RIP: 0033:0x7fd72a549312
[  311.469518][ T8107] 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)
[  311.469522][ T8107] RSP: 002b:00007ffcf9ea31d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  311.469526][ T8107] RAX: ffffffffffffffda RBX: 00007ffcf9ea3308 RCX: 00007fd72a549312
[  311.469529][ T8107] RDX: 0000000000000044 RSI: 00007fd7282973c0 RDI: 0000000000000020
[  311.469530][ T8107] RBP: 00007ffcf9ea3200 R08: 00007ffcf9ea3380 R09: 000000000000000c
[  311.469532][ T8107] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd7283a60b0
[  311.469534][ T8107] R13: 00007ffcf9ea3308 R14: 00007fd729e6801a R15: 00007ffcf9ea36f8
| [  312.813354][ T8139] softirqs last disabled at (369352): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  312.813356][ T8139] Preemption disabled at:
| [  312.813356][ T8139] vprintk_emit (kernel/printk/printk.c:2471)
| [  312.813366][ T8139] Tainted: [W]=WARN
[  312.813367][ T8139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  312.813369][ T8139] Call Trace:
[  312.813370][ T8139]  <TASK>
[  312.813372][ T8139]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  312.813379][ T8139]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  312.813381][ T8139]  __might_resched.cold (kernel/sched/core.c:9234)
[  312.813386][ T8139]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  312.813391][ 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)
[  312.813396][ 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))
[  312.813398][ T8139]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  312.813405][ 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)
[  312.813409][ T8139]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  312.813413][ T8139]  put_chars (drivers/char/virtio_console.c:1176)
[  312.813416][ T8139]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  312.813420][ T8139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  312.813423][ T8139]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  312.813428][ T8139]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  312.813433][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.813435][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.813440][ T8139]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  312.813445][ T8139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.813447][ T8139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.813452][ T8139]  console_emit_next_record (kernel/printk/printk.c:3183)
[  312.813457][ T8139]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  312.813459][ 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))
[  312.813463][ T8139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.813465][ T8139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.813470][ T8139]  console_flush_one_record (kernel/printk/printk.c:3268)
[  312.813476][ T8139]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  312.813478][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.813485][ T8139]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  312.813488][ T8139]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  312.813490][ T8139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.813492][ 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)
[  312.813497][ T8139]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  312.813498][ T8139]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  312.813502][ T8139]  vprintk_emit (kernel/printk/printk.c:2479)
[  312.813506][ T8139]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  312.813512][ T8139]  _printk (kernel/printk/printk.c:2504)
[  312.813516][ T8139]  ? snapshot_read.cold (user.c:?)
[  312.813520][ T8139]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  312.813523][ T8139]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  312.813527][ T8139]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  312.813529][ T8139]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  312.813533][ T8139]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  312.813538][ T8139]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  312.813541][ T8139]  ? netdev_notice (net/core/dev.c:13194)
[  312.813543][ T8139]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  312.813554][ 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)
[  312.813557][ T8139]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  312.813561][ T8139]  netif_set_promiscuity (net/core/dev.c:9699)
[  312.813566][ T8139]  dev_set_promiscuity (net/core/dev_api.c:288)
[  312.813576][ T8139]  ? dev_disable_lro (net/core/dev_api.c:267)
[  312.813578][ T8139] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  312.813585][ T8139] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  312.813590][ T8139] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  312.813595][ 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
[  312.813600][ T8139] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  312.813607][ T8139]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  312.813611][ T8139]  ? __nla_validate_parse (lib/nlattr.c:635)
[  312.813618][ T8139]  ? __nla_parse (lib/nlattr.c:732)
[  312.813621][ T8139]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  312.813627][ T8139]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  312.813631][ T8139]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  312.813641][ T8139]  ? security_capable (security/security.c:660 (discriminator 11))
[  312.813646][ T8139]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  312.813651][ T8139]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  312.813654][ T8139]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  312.813656][ T8139]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  312.813661][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.813668][ T8139]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  312.813672][ T8139]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  312.813674][ T8139]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  312.813678][ T8139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  312.813687][ 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))
[  312.813689][ 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))
[  312.813698][ T8139]  genl_rcv (net/netlink/genetlink.c:1218)
[  312.813701][ T8139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  312.813705][ T8139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  312.813710][ T8139]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  312.813714][ T8139]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  312.813719][ T8139]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  312.813721][ T8139]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  312.813725][ T8139]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  312.813731][ T8139]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  312.813734][ T8139]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  312.813738][ T8139]  __sys_sendto (net/socket.c:2281)
[  312.813742][ T8139]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  312.813756][ T8139]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  312.813763][ T8139]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  312.813766][ T8139]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  312.813770][ T8139]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  312.813772][ T8139]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  312.813774][ T8139]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  312.813777][ T8139]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  312.813779][ T8139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  312.813782][ T8139] RIP: 0033:0x7f1291a4c312
[  312.813786][ 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)
[  312.813788][ T8139] RSP: 002b:00007ffca9b3ab78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  312.813790][ T8139] RAX: ffffffffffffffda RBX: 00007ffca9b3aca8 RCX: 00007f1291a4c312
[  312.813792][ T8139] RDX: 0000000000000038 RSI: 00007f128c4d60f0 RDI: 0000000000000023
[  312.813793][ T8139] RBP: 00007ffca9b3aba0 R08: 00007ffca9b3ad20 R09: 000000000000000c
[  312.813794][ T8139] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f128f8b6190
[  312.813795][ T8139] R13: 00007ffca9b3aca8 R14: 00007f129136b01a R15: 00007ffca9b3b098
| [  314.164916][ T8166] softirqs last disabled at (398186): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  314.164919][ T8166] Preemption disabled at:
| [  314.164919][ T8166] vprintk_emit (kernel/printk/printk.c:2471)
| [  314.164928][ T8166] Tainted: [W]=WARN
[  314.164929][ T8166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  314.164931][ T8166] Call Trace:
[  314.164933][ T8166]  <TASK>
[  314.164934][ T8166]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  314.164941][ T8166]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  314.164943][ T8166]  __might_resched.cold (kernel/sched/core.c:9234)
[  314.164949][ T8166]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  314.164953][ T8166]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  314.164958][ T8166]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  314.164961][ T8166]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.164969][ T8166]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  314.164972][ T8166]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.164976][ T8166]  put_chars (drivers/char/virtio_console.c:1176)
[  314.164979][ T8166]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  314.164983][ T8166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  314.164987][ T8166]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  314.164993][ T8166]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  314.164997][ T8166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.164999][ T8166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.165005][ T8166]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  314.165010][ T8166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.165013][ T8166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.165018][ T8166]  console_emit_next_record (kernel/printk/printk.c:3183)
[  314.165023][ T8166]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  314.165025][ T8166]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  314.165029][ T8166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.165031][ T8166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.165036][ T8166]  console_flush_one_record (kernel/printk/printk.c:3268)
[  314.165041][ T8166]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  314.165044][ T8166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.165051][ T8166]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  314.165054][ T8166]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  314.165056][ T8166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.165058][ T8166]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  314.165063][ T8166]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  314.165065][ T8166]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  314.165068][ T8166]  vprintk_emit (kernel/printk/printk.c:2479)
[  314.165072][ T8166]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  314.165079][ T8166]  _printk (kernel/printk/printk.c:2504)
[  314.165083][ T8166]  ? snapshot_read.cold (user.c:?)
[  314.165086][ T8166]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  314.165089][ T8166]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  314.165093][ T8166]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  314.165095][ T8166]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  314.165097][ T8166]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  314.165101][ T8166]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  314.165106][ T8166]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  314.165109][ T8166]  ? netdev_notice (net/core/dev.c:13194)
[  314.165111][ T8166]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  314.165122][ T8166]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  314.165125][ T8166]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  314.165129][ T8166]  netif_set_promiscuity (net/core/dev.c:9699)
[  314.165134][ T8166]  dev_set_promiscuity (net/core/dev_api.c:288)
[  314.165136][ T8166]  ? dev_disable_lro (net/core/dev_api.c:267)
[  314.165138][ T8166] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  314.165145][ T8166] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  314.165151][ T8166] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  314.165155][ T8166]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  314.165160][ T8166] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  314.165167][ T8166]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  314.165171][ T8166]  ? __nla_validate_parse (lib/nlattr.c:635)
[  314.165179][ T8166]  ? __nla_parse (lib/nlattr.c:732)
[  314.165182][ T8166]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  314.165188][ T8166]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  314.165192][ T8166]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  314.165202][ T8166]  ? security_capable (security/security.c:660 (discriminator 11))
[  314.165208][ T8166]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  314.165212][ T8166]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  314.165215][ T8166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  314.165218][ T8166]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  314.165222][ T8166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.165229][ T8166]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  314.165234][ T8166]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  314.165236][ T8166]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  314.165240][ T8166]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  314.165249][ T8166]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  314.165251][ T8166]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  314.165256][ T8166]  genl_rcv (net/netlink/genetlink.c:1218)
[  314.165259][ T8166]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  314.165265][ T8166]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  314.165270][ T8166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  314.165275][ T8166]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  314.165280][ T8166]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  314.165282][ T8166]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  314.165285][ T8166]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  314.165292][ T8166]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  314.165295][ T8166]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  314.165299][ T8166]  __sys_sendto (net/socket.c:2281)
[  314.165303][ T8166]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  314.165317][ T8166]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  314.165325][ T8166]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  314.165327][ T8166]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  314.165332][ T8166]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  314.165333][ T8166]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  314.165336][ T8166]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  314.165338][ T8166]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  314.165342][ T8166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  314.165344][ T8166] RIP: 0033:0x7f5142442312
[  314.165348][ T8166] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  314.165350][ T8166] RSP: 002b:00007ffe79d372d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  314.165353][ T8166] RAX: ffffffffffffffda RBX: 00007ffe79d37408 RCX: 00007f5142442312
[  314.165354][ T8166] RDX: 0000000000000034 RSI: 00007f513c70e3b0 RDI: 0000000000000023
[  314.165355][ T8166] RBP: 00007ffe79d37300 R08: 00007ffe79d37480 R09: 000000000000000c
[  314.165356][ T8166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f51402a6190
[  314.165357][ T8166] R13: 00007ffe79d37408 R14: 00007f5141d6101a R15: 00007ffe79d377f8
| [  324.349149][   T70] softirqs last disabled at (8435432): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  324.349151][   T70] Preemption disabled at:
| [  324.349152][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  324.349161][   T70] Tainted: [W]=WARN
[  324.349162][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  324.349164][   T70] Workqueue: netns cleanup_net
[  324.349167][   T70] Call Trace:
[  324.349169][   T70]  <TASK>
[  324.349171][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  324.349177][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  324.349179][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  324.349184][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  324.349189][   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)
[  324.349194][   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))
[  324.349196][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.349204][   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)
[  324.349207][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.349211][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  324.349213][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  324.349216][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  324.349220][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.349223][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.349226][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.349231][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  324.349236][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  324.349238][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.349240][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.349245][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  324.349248][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  324.349252][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.349254][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.349259][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  324.349264][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  324.349266][   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))
[  324.349270][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.349273][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.349278][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  324.349283][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  324.349285][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.349292][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  324.349296][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  324.349298][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.349300][   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)
[  324.349304][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  324.349306][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  324.349310][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  324.349314][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  324.349317][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  324.349319][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  324.349329][   T70]  _printk (kernel/printk/printk.c:2504)
[  324.349333][   T70]  ? snapshot_read.cold (user.c:?)
[  324.349339][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  324.349343][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  324.349348][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  324.349351][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  324.349353][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  324.349358][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  324.349365][   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)
[  324.349368][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  324.349372][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  324.349376][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  324.349378][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  324.349382][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  324.349389][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  324.349394][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.349397][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  324.349404][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  324.349410][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  324.349420][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  324.349424][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  324.349427][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  324.349430][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  324.349436][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  324.349440][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  324.349445][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  324.349446][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.349450][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  324.349456][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  324.349460][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  324.349464][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.349466][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.349472][   T70]  process_one_work (kernel/workqueue.c:3387)
[  324.349484][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  324.349488][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.349498][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  324.349503][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  324.349506][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  324.349509][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  324.349512][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  324.349514][   T70]  kthread (kernel/kthread.c:436)
[  324.349517][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  324.349520][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  324.349524][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  324.349529][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  324.349533][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  324.349537][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  324.349540][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  325.665331][ T8366] softirqs last disabled at (404810): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  325.665335][ T8366] Preemption disabled at:
| [  325.665336][ T8366] vprintk_emit (kernel/printk/printk.c:2471)
| [  325.665349][ T8366] Tainted: [W]=WARN
[  325.665350][ T8366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.665353][ T8366] Call Trace:
[  325.665355][ T8366]  <TASK>
[  325.665357][ T8366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  325.665365][ T8366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  325.665369][ T8366]  __might_resched.cold (kernel/sched/core.c:9234)
[  325.665375][ T8366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  325.665382][ T8366]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  325.665390][ T8366]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  325.665394][ T8366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  325.665405][ T8366]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  325.665409][ T8366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  325.665416][ T8366]  put_chars (drivers/char/virtio_console.c:1176)
[  325.665420][ T8366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  325.665423][ T8366]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  325.665429][ T8366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  325.665440][ T8366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  325.665454][ T8366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  325.665459][ T8366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.665463][ T8366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.665471][ T8366]  console_emit_next_record (kernel/printk/printk.c:3183)
[  325.665478][ T8366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  325.665481][ T8366]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  325.665487][ T8366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.665490][ T8366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.665499][ T8366]  console_flush_one_record (kernel/printk/printk.c:3268)
[  325.665507][ T8366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  325.665511][ T8366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.665523][ T8366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  325.665528][ T8366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  325.665531][ T8366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.665535][ T8366]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  325.665543][ T8366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  325.665546][ T8366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  325.665552][ T8366]  vprintk_emit (kernel/printk/printk.c:2479)
[  325.665559][ T8366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  325.665565][ T8366]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  325.665569][ T8366]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  325.665583][ T8366]  _printk (kernel/printk/printk.c:2504)
[  325.665589][ T8366]  ? snapshot_read.cold (user.c:?)
[  325.665598][ T8366]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  325.665604][ T8366]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  325.665612][ T8366]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  325.665617][ T8366]  ? netdev_notice (net/core/dev.c:13194)
[  325.665620][ T8366]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  325.665628][ T8366]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  325.665646][ T8366]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  325.665651][ T8366]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  325.665659][ T8366]  netif_set_promiscuity (net/core/dev.c:9699)
[  325.665666][ T8366]  dev_set_promiscuity (net/core/dev_api.c:288)
[  325.665669][ T8366]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  325.665675][ T8366] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  325.665683][ T8366]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  325.665694][ T8366] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  325.665705][ T8366] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  325.665723][ T8366]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  325.665730][ T8366]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  325.665749][ T8366]  ? security_capable (security/security.c:660 (discriminator 11))
[  325.665757][ T8366]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  325.665764][ T8366]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  325.665769][ T8366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  325.665774][ T8366]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  325.665783][ T8366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.665795][ T8366]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  325.665802][ T8366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  325.665805][ T8366]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  325.665812][ T8366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  325.665828][ T8366]  ? 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))
[  325.665831][ T8366]  ? 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))
[  325.665840][ T8366]  genl_rcv (net/netlink/genetlink.c:1218)
[  325.665844][ T8366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  325.665852][ T8366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  325.665859][ T8366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.665867][ T8366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  325.665876][ T8366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  325.665879][ T8366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  325.665885][ T8366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  325.665896][ T8366]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  325.665901][ T8366]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  325.665907][ T8366]  __sys_sendto (net/socket.c:2281)
[  325.665912][ T8366]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  325.665925][ T8366]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  325.665928][ T8366]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[  325.665946][ T8366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  325.665955][ T8366]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  325.665959][ T8366]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  325.665964][ T8366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  325.665968][ T8366]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  325.665972][ T8366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  325.665975][ T8366]  ? irq_exit_rcu (kernel/softirq.c:786)
[  325.665982][ T8366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  325.665986][ T8366] RIP: 0033:0x7fd357330312
[  325.665991][ T8366] 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)
[  325.665994][ T8366] RSP: 002b:00007ffebec18bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  325.665999][ T8366] RAX: ffffffffffffffda RBX: 00007ffebec18d28 RCX: 00007fd357330312
[  325.666001][ T8366] RDX: 0000000000000024 RSI: 00007fd35502a670 RDI: 0000000000000023
[  325.666003][ T8366] RBP: 00007ffebec18c20 R08: 00007ffebec18da0 R09: 000000000000000c
[  325.666005][ T8366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd35519dfd0
[  325.666007][ T8366] R13: 00007ffebec18d28 R14: 00007fd356c4f01a R15: 00007ffebec19118
| [  327.547900][ T8393] softirqs last disabled at (378480): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  327.547903][ T8393] Preemption disabled at:
| [  327.547904][ T8393] vprintk_emit (kernel/printk/printk.c:2471)
| [  327.547913][ T8393] Tainted: [W]=WARN
[  327.547914][ T8393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  327.547916][ T8393] Call Trace:
[  327.547917][ T8393]  <TASK>
[  327.547919][ T8393]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  327.547925][ T8393]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  327.547927][ T8393]  __might_resched.cold (kernel/sched/core.c:9234)
[  327.547932][ T8393]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  327.547937][ T8393]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  327.547942][ T8393]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  327.547944][ T8393]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  327.547952][ T8393]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  327.547955][ T8393]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  327.547959][ T8393]  put_chars (drivers/char/virtio_console.c:1176)
[  327.547962][ T8393]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  327.547963][ T8393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  327.547967][ T8393]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  327.547974][ T8393]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  327.547984][ T8393]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  327.547987][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.547989][ T8393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  327.547994][ T8393]  console_emit_next_record (kernel/printk/printk.c:3183)
[  327.547999][ T8393]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  327.548001][ T8393]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  327.548005][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.548007][ T8393]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  327.548013][ T8393]  console_flush_one_record (kernel/printk/printk.c:3268)
[  327.548018][ T8393]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  327.548020][ T8393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.548027][ T8393]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  327.548030][ T8393]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  327.548032][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.548034][ T8393]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  327.548039][ T8393]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  327.548041][ T8393]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  327.548044][ T8393]  vprintk_emit (kernel/printk/printk.c:2479)
[  327.548048][ T8393]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  327.548050][ T8393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  327.548053][ T8393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  327.548058][ T8393]  _printk (kernel/printk/printk.c:2504)
[  327.548062][ T8393]  ? snapshot_read.cold (user.c:?)
[  327.548067][ T8393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  327.548069][ T8393]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  327.548073][ T8393]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  327.548078][ T8393]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  327.548081][ T8393]  ? netdev_notice (net/core/dev.c:13194)
[  327.548083][ T8393]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  327.548089][ T8393]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  327.548097][ T8393]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  327.548099][ T8393]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  327.548104][ T8393]  netif_set_promiscuity (net/core/dev.c:9699)
[  327.548109][ T8393]  dev_set_promiscuity (net/core/dev_api.c:288)
[  327.548113][ T8393] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  327.548118][ T8393] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  327.548126][ T8393] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  327.548132][ T8393]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  327.548137][ T8393]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  327.548147][ T8393]  ? security_capable (security/security.c:660 (discriminator 11))
[  327.548152][ T8393]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  327.548157][ T8393]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  327.548160][ T8393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  327.548162][ T8393]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  327.548167][ T8393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.548174][ T8393]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  327.548178][ T8393]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  327.548180][ T8393]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  327.548184][ T8393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  327.548193][ T8393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  327.548195][ T8393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  327.548200][ T8393]  genl_rcv (net/netlink/genetlink.c:1218)
[  327.548202][ T8393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  327.548207][ T8393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  327.548211][ T8393]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  327.548216][ T8393]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  327.548221][ T8393]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  327.548223][ T8393]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  327.548226][ T8393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  327.548232][ T8393]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  327.548235][ T8393]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  327.548239][ T8393]  __sys_sendto (net/socket.c:2281)
[  327.548243][ T8393]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  327.548258][ T8393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  327.548263][ T8393]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  327.548266][ T8393]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  327.548270][ T8393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  327.548272][ T8393]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  327.548275][ T8393]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  327.548277][ T8393]  ? irq_exit_rcu (kernel/softirq.c:786)
[  327.548282][ T8393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  327.548284][ T8393] RIP: 0033:0x7f60e11ae312
[  327.548288][ T8393] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  327.548290][ T8393] RSP: 002b:00007ffda7e73198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  327.548292][ T8393] RAX: ffffffffffffffda RBX: 00007ffda7e732c8 RCX: 00007f60e11ae312
[  327.548294][ T8393] RDX: 0000000000000024 RSI: 00007f60dcd29d70 RDI: 0000000000000020
[  327.548295][ T8393] RBP: 00007ffda7e731c0 R08: 00007ffda7e73340 R09: 000000000000000c
[  327.548296][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60df011e80
[  327.548297][ T8393] R13: 00007ffda7e732c8 R14: 00007f60e0acd01a R15: 00007ffda7e736b8
| [  331.613288][ T8500] softirqs last disabled at (378376): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  331.613291][ T8500] Preemption disabled at:
| [  331.613291][ T8500] vprintk_emit (kernel/printk/printk.c:2471)
| [  331.613300][ T8500] Tainted: [W]=WARN
[  331.613301][ T8500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  331.613303][ T8500] Call Trace:
[  331.613305][ T8500]  <TASK>
[  331.613306][ T8500]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  331.613312][ T8500]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  331.613314][ T8500]  __might_resched.cold (kernel/sched/core.c:9234)
[  331.613319][ T8500]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  331.613324][ T8500]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  331.613329][ T8500]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  331.613331][ T8500]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  331.613339][ T8500]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  331.613342][ T8500]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  331.613346][ T8500]  put_chars (drivers/char/virtio_console.c:1176)
[  331.613349][ T8500]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  331.613352][ T8500]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  331.613355][ T8500]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  331.613358][ T8500]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  331.613363][ T8500]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  331.613367][ T8500]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  331.613369][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  331.613371][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  331.613376][ T8500]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  331.613378][ T8500]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  331.613383][ T8500]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.613388][ T8500]  console_emit_next_record (kernel/printk/printk.c:3183)
[  331.613393][ T8500]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  331.613395][ T8500]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  331.613399][ T8500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.613401][ T8500]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.613406][ T8500]  console_flush_one_record (kernel/printk/printk.c:3268)
[  331.613411][ T8500]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  331.613413][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  331.613420][ T8500]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  331.613423][ T8500]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  331.613425][ T8500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.613427][ T8500]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  331.613431][ T8500]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  331.613433][ T8500]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  331.613437][ T8500]  vprintk_emit (kernel/printk/printk.c:2479)
[  331.613440][ T8500]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  331.613443][ T8500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  331.613445][ T8500]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  331.613450][ T8500]  _printk (kernel/printk/printk.c:2504)
[  331.613454][ T8500]  ? snapshot_read.cold (user.c:?)
[  331.613456][ T8500]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  331.613463][ T8500]  ? idr_get_free (??:?)
[  331.613468][ T8500]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  331.613478][ T8500]  ? nla_get_range_signed (lib/nlattr.c:270)
[  331.613486][ T8500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.613488][ T8500]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  331.613493][ T8500]  __nla_validate_parse (lib/nlattr.c:635)
[  331.613498][ T8500]  __nla_parse (lib/nlattr.c:732)
[  331.613501][ T8500]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  331.613507][ T8500]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  331.613511][ T8500]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  331.613521][ T8500]  ? security_capable (security/security.c:660 (discriminator 11))
[  331.613526][ T8500]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  331.613530][ T8500]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  331.613533][ T8500]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  331.613536][ T8500]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  331.613545][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  331.613552][ T8500]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  331.613556][ T8500]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  331.613558][ T8500]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  331.613562][ T8500]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  331.613571][ T8500]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  331.613573][ T8500]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  331.613578][ T8500]  genl_rcv (net/netlink/genetlink.c:1218)
[  331.613580][ T8500]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  331.613585][ T8500]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  331.613589][ T8500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  331.613593][ T8500]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  331.613598][ T8500]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  331.613600][ T8500]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  331.613603][ T8500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  331.613609][ T8500]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  331.613612][ T8500]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  331.613616][ T8500]  __sys_sendto (net/socket.c:2281)
[  331.613620][ T8500]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  331.613633][ T8500]  ? fput_close_sync (fs/file_table.c:617)
[  331.613637][ T8500]  ? alloc_file_clone (fs/file_table.c:479)
[  331.613642][ T8500]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  331.613644][ T8500]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  331.613648][ T8500]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  331.613651][ T8500]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  331.613653][ T8500]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  331.613656][ T8500]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  331.613659][ T8500]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  331.613661][ T8500] RIP: 0033:0x7f7442ccb312
[  331.613665][ T8500] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  331.613667][ T8500] RSP: 002b:00007ffcced38618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  331.613677][ T8500] RAX: ffffffffffffffda RBX: 00007ffcced38748 RCX: 00007f7442ccb312
[  331.613679][ T8500] RDX: 0000000000000044 RSI: 00007f744009e6f0 RDI: 0000000000000020
[  331.613680][ T8500] RBP: 00007ffcced38640 R08: 00007ffcced387c0 R09: 000000000000000c
[  331.613681][ T8500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7440b2e0b0
[  331.613682][ T8500] R13: 00007ffcced38748 R14: 00007f74425ea01a R15: 00007ffcced38b38
| [  332.991974][ T8532] softirqs last disabled at (375456): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  332.991976][ T8532] Preemption disabled at:
| [  332.991977][ T8532] vprintk_emit (kernel/printk/printk.c:2471)
| [  332.991986][ T8532] Tainted: [W]=WARN
[  332.991987][ T8532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  332.991989][ T8532] Call Trace:
[  332.991990][ T8532]  <TASK>
[  332.991992][ T8532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  332.991999][ T8532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  332.992001][ T8532]  __might_resched.cold (kernel/sched/core.c:9234)
[  332.992005][ T8532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  332.992010][ T8532]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  332.992015][ T8532]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  332.992017][ T8532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  332.992025][ T8532]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  332.992028][ T8532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  332.992032][ T8532]  put_chars (drivers/char/virtio_console.c:1176)
[  332.992035][ T8532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  332.992039][ T8532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  332.992043][ T8532]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  332.992048][ T8532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  332.992052][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  332.992054][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  332.992060][ T8532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  332.992064][ T8532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.992067][ T8532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.992072][ T8532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  332.992077][ T8532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  332.992079][ T8532]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  332.992083][ T8532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.992085][ T8532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.992090][ T8532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  332.992095][ T8532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  332.992097][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  332.992104][ T8532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  332.992107][ T8532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  332.992110][ T8532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.992112][ T8532]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  332.992116][ T8532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  332.992118][ T8532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  332.992122][ T8532]  vprintk_emit (kernel/printk/printk.c:2479)
[  332.992125][ T8532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  332.992132][ T8532]  _printk (kernel/printk/printk.c:2504)
[  332.992136][ T8532]  ? snapshot_read.cold (user.c:?)
[  332.992139][ T8532]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  332.992143][ T8532]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  332.992147][ T8532]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  332.992149][ T8532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  332.992153][ T8532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  332.992157][ T8532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  332.992161][ T8532]  ? netdev_notice (net/core/dev.c:13194)
[  332.992163][ T8532]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  332.992174][ T8532]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  332.992177][ T8532]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  332.992181][ T8532]  netif_set_promiscuity (net/core/dev.c:9699)
[  332.992186][ T8532]  dev_set_promiscuity (net/core/dev_api.c:288)
[  332.992188][ T8532]  ? dev_disable_lro (net/core/dev_api.c:267)
[  332.992191][ T8532] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  332.992197][ T8532] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  332.992203][ T8532] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  332.992207][ T8532]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  332.992212][ T8532] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  332.992219][ T8532]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  332.992223][ T8532]  ? __nla_validate_parse (lib/nlattr.c:635)
[  332.992230][ T8532]  ? __nla_parse (lib/nlattr.c:732)
[  332.992233][ T8532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  332.992239][ T8532]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  332.992243][ T8532]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  332.992254][ T8532]  ? security_capable (security/security.c:660 (discriminator 11))
[  332.992259][ T8532]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  332.992263][ T8532]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  332.992266][ T8532]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  332.992269][ T8532]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  332.992273][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  332.992280][ T8532]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  332.992284][ T8532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  332.992286][ T8532]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  332.992291][ T8532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  332.992300][ T8532]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  332.992302][ T8532]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  332.992307][ T8532]  genl_rcv (net/netlink/genetlink.c:1218)
[  332.992309][ T8532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  332.992314][ T8532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  332.992319][ T8532]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  332.992323][ T8532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  332.992328][ T8532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  332.992330][ T8532]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  332.992333][ T8532]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  332.992339][ T8532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  332.992343][ T8532]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  332.992347][ T8532]  __sys_sendto (net/socket.c:2281)
[  332.992351][ T8532]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  332.992365][ T8532]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  332.992372][ T8532]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  332.992375][ T8532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  332.992379][ T8532]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  332.992381][ T8532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  332.992383][ T8532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  332.992385][ T8532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  332.992389][ T8532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  332.992391][ T8532] RIP: 0033:0x7f81b810b312
[  332.992395][ T8532] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  332.992397][ T8532] RSP: 002b:00007ffc112a5968 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  332.992400][ T8532] RAX: ffffffffffffffda RBX: 00007ffc112a5a98 RCX: 00007f81b810b312
[  332.992401][ T8532] RDX: 0000000000000038 RSI: 00007f81b4393870 RDI: 0000000000000023
[  332.992402][ T8532] RBP: 00007ffc112a5990 R08: 00007ffc112a5b10 R09: 000000000000000c
[  332.992403][ T8532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81b5f72190
[  332.992404][ T8532] R13: 00007ffc112a5a98 R14: 00007f81b7a2a01a R15: 00007ffc112a5e88
| [  334.388640][ T8559] softirqs last disabled at (372050): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  334.388644][ T8559] Preemption disabled at:
| [  334.388645][ T8559] vprintk_emit (kernel/printk/printk.c:2471)
| [  334.388658][ T8559] Tainted: [W]=WARN
[  334.388659][ T8559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  334.388661][ T8559] Call Trace:
[  334.388664][ T8559]  <TASK>
[  334.388666][ T8559]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  334.388675][ T8559]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  334.388678][ T8559]  __might_resched.cold (kernel/sched/core.c:9234)
[  334.388685][ T8559]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  334.388701][ T8559]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  334.388709][ T8559]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  334.388713][ T8559]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  334.388724][ T8559]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  334.388728][ T8559]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  334.388735][ T8559]  put_chars (drivers/char/virtio_console.c:1176)
[  334.388740][ T8559]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  334.388747][ T8559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  334.388752][ T8559]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  334.388761][ T8559]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  334.388767][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  334.388770][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  334.388780][ T8559]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  334.388787][ T8559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  334.388791][ T8559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  334.388797][ T8559]  console_emit_next_record (kernel/printk/printk.c:3183)
[  334.388802][ T8559]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  334.388804][ T8559]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  334.388808][ T8559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  334.388810][ T8559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  334.388815][ T8559]  console_flush_one_record (kernel/printk/printk.c:3268)
[  334.388820][ T8559]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  334.388822][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  334.388829][ T8559]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  334.388832][ T8559]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  334.388834][ T8559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  334.388836][ T8559]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  334.388841][ T8559]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  334.388843][ T8559]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  334.388846][ T8559]  vprintk_emit (kernel/printk/printk.c:2479)
[  334.388850][ T8559]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  334.388856][ T8559]  _printk (kernel/printk/printk.c:2504)
[  334.388860][ T8559]  ? snapshot_read.cold (user.c:?)
[  334.388864][ T8559]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  334.388868][ T8559]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  334.388871][ T8559]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  334.388873][ T8559]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  334.388875][ T8559]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  334.388880][ T8559]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  334.388885][ T8559]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  334.388888][ T8559]  ? netdev_notice (net/core/dev.c:13194)
[  334.388890][ T8559]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  334.388901][ T8559]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  334.388904][ T8559]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  334.388908][ T8559]  netif_set_promiscuity (net/core/dev.c:9699)
[  334.388912][ T8559]  dev_set_promiscuity (net/core/dev_api.c:288)
[  334.388914][ T8559]  ? dev_disable_lro (net/core/dev_api.c:267)
[  334.388917][ T8559] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  334.388923][ T8559] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  334.388929][ T8559] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  334.388934][ T8559]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  334.388939][ T8559] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  334.388946][ T8559]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  334.388950][ T8559]  ? __nla_validate_parse (lib/nlattr.c:635)
[  334.388957][ T8559]  ? __nla_parse (lib/nlattr.c:732)
[  334.388960][ T8559]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  334.388966][ T8559]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  334.388970][ T8559]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  334.388980][ T8559]  ? security_capable (security/security.c:660 (discriminator 11))
[  334.388985][ T8559]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  334.388990][ T8559]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  334.388993][ T8559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  334.388995][ T8559]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  334.389000][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  334.389006][ T8559]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  334.389011][ T8559]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  334.389013][ T8559]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  334.389018][ T8559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  334.389026][ T8559]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  334.389029][ T8559]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  334.389033][ T8559]  genl_rcv (net/netlink/genetlink.c:1218)
[  334.389036][ T8559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  334.389040][ T8559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  334.389045][ T8559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  334.389049][ T8559]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  334.389054][ T8559]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  334.389056][ T8559]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  334.389059][ T8559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  334.389065][ T8559]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  334.389068][ T8559]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  334.389073][ T8559]  __sys_sendto (net/socket.c:2281)
[  334.389076][ T8559]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  334.389083][ T8559]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  334.389093][ T8559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  334.389098][ T8559]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  334.389100][ T8559]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  334.389104][ T8559]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  334.389108][ T8559]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  334.389111][ T8559]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  334.389113][ T8559]  ? irq_exit_rcu (kernel/softirq.c:786)
[  334.389118][ T8559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  334.389120][ T8559] RIP: 0033:0x7f94484cb312
[  334.389124][ T8559] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  334.389126][ T8559] RSP: 002b:00007ffe28251d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  334.389129][ T8559] RAX: ffffffffffffffda RBX: 00007ffe28251e88 RCX: 00007f94484cb312
[  334.389131][ T8559] RDX: 0000000000000034 RSI: 00007f9435f4c430 RDI: 0000000000000023
[  334.389132][ T8559] RBP: 00007ffe28251d80 R08: 00007ffe28251f00 R09: 000000000000000c
[  334.389133][ T8559] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9446332190
[  334.389134][ T8559] R13: 00007ffe28251e88 R14: 00007f9447dea01a R15: 00007ffe28252278
| [  344.454970][   T70] softirqs last disabled at (8638228): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  344.454973][   T70] Preemption disabled at:
| [  344.454974][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  344.454983][   T70] Tainted: [W]=WARN
[  344.454984][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  344.454986][   T70] Workqueue: netns cleanup_net
[  344.454989][   T70] Call Trace:
[  344.454991][   T70]  <TASK>
[  344.454994][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  344.455000][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  344.455002][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  344.455007][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  344.455011][   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)
[  344.455016][   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))
[  344.455019][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  344.455026][   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)
[  344.455029][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  344.455034][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  344.455035][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  344.455038][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  344.455042][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  344.455045][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  344.455048][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  344.455053][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  344.455058][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  344.455060][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.455062][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.455067][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  344.455070][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  344.455074][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.455076][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  344.455081][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  344.455086][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  344.455088][   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))
[  344.455092][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.455094][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  344.455099][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  344.455105][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  344.455107][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  344.455114][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  344.455118][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  344.455120][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.455123][   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)
[  344.455128][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  344.455130][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  344.455133][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  344.455137][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  344.455141][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  344.455143][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  344.455153][   T70]  _printk (kernel/printk/printk.c:2504)
[  344.455157][   T70]  ? snapshot_read.cold (user.c:?)
[  344.455163][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  344.455168][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  344.455173][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  344.455177][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  344.455179][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  344.455184][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  344.455191][   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)
[  344.455194][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  344.455199][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  344.455204][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  344.455206][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  344.455210][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  344.455218][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  344.455224][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.455227][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  344.455235][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  344.455242][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  344.455254][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  344.455258][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  344.455261][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  344.455264][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  344.455270][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  344.455274][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  344.455279][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  344.455281][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  344.455285][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  344.455291][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  344.455296][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  344.455301][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  344.455303][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  344.455308][   T70]  process_one_work (kernel/workqueue.c:3387)
[  344.455318][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  344.455322][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  344.455332][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  344.455338][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  344.455341][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  344.455344][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  344.455347][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  344.455350][   T70]  kthread (kernel/kthread.c:436)
[  344.455352][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  344.455356][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  344.455360][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  344.455365][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  344.455370][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  344.455374][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  344.455377][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  345.707046][ T8759] softirqs last disabled at (387536): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  345.707048][ T8759] Preemption disabled at:
| [  345.707049][ T8759] vprintk_emit (kernel/printk/printk.c:2471)
| [  345.707058][ T8759] Tainted: [W]=WARN
[  345.707059][ T8759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  345.707061][ T8759] Call Trace:
[  345.707063][ T8759]  <TASK>
[  345.707065][ T8759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  345.707071][ T8759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  345.707073][ T8759]  __might_resched.cold (kernel/sched/core.c:9234)
[  345.707078][ T8759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  345.707082][ T8759]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  345.707087][ T8759]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  345.707089][ T8759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.707097][ T8759]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  345.707100][ T8759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.707104][ T8759]  put_chars (drivers/char/virtio_console.c:1176)
[  345.707107][ T8759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  345.707108][ T8759]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  345.707112][ T8759]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  345.707119][ T8759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  345.707128][ T8759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  345.707131][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.707133][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.707138][ T8759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  345.707143][ T8759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  345.707145][ T8759]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  345.707149][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.707151][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.707156][ T8759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  345.707161][ T8759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  345.707163][ T8759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.707169][ T8759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  345.707173][ T8759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  345.707175][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.707177][ T8759]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  345.707181][ T8759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  345.707183][ T8759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  345.707186][ T8759]  vprintk_emit (kernel/printk/printk.c:2479)
[  345.707190][ T8759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  345.707193][ T8759]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  345.707196][ T8759]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  345.707205][ T8759]  _printk (kernel/printk/printk.c:2504)
[  345.707209][ T8759]  ? snapshot_read.cold (user.c:?)
[  345.707214][ T8759]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  345.707218][ T8759]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  345.707223][ T8759]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  345.707226][ T8759]  ? netdev_notice (net/core/dev.c:13194)
[  345.707228][ T8759]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  345.707233][ T8759]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  345.707239][ T8759]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  345.707242][ T8759]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  345.707246][ T8759]  netif_set_promiscuity (net/core/dev.c:9699)
[  345.707251][ T8759]  dev_set_promiscuity (net/core/dev_api.c:288)
[  345.707253][ T8759]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  345.707257][ T8759] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  345.707261][ T8759]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  345.707265][ T8759] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  345.707271][ T8759] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  345.707279][ T8759]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  345.707284][ T8759]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  345.707294][ T8759]  ? security_capable (security/security.c:660 (discriminator 11))
[  345.707299][ T8759]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  345.707303][ T8759]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  345.707306][ T8759]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  345.707310][ T8759]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  345.707315][ T8759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.707321][ T8759]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  345.707325][ T8759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  345.707327][ T8759]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  345.707332][ T8759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  345.707340][ T8759]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  345.707343][ T8759]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  345.707347][ T8759]  genl_rcv (net/netlink/genetlink.c:1218)
[  345.707350][ T8759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  345.707355][ T8759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  345.707357][ T8759]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  345.707363][ T8759]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  345.707367][ T8759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  345.707372][ T8759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  345.707373][ T8759]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  345.707377][ T8759]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  345.707383][ T8759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  345.707387][ T8759]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  345.707391][ T8759]  __sys_sendto (net/socket.c:2281)
[  345.707394][ T8759]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  345.707401][ T8759]  ? do_futex (kernel/futex/syscalls.c:133)
[  345.707404][ T8759]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  345.707412][ T8759]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  345.707420][ T8759]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  345.707422][ T8759]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  345.707426][ T8759]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  345.707429][ T8759]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  345.707431][ T8759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  345.707434][ T8759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  345.707437][ T8759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  345.707439][ T8759] RIP: 0033:0x7f760c821312
[  345.707443][ T8759] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  345.707445][ T8759] RSP: 002b:00007ffc7fcbf808 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  345.707448][ T8759] RAX: ffffffffffffffda RBX: 00007ffc7fcbf938 RCX: 00007f760c821312
[  345.707449][ T8759] RDX: 0000000000000024 RSI: 00007f76083e71e0 RDI: 0000000000000023
[  345.707450][ T8759] RBP: 00007ffc7fcbf830 R08: 00007ffc7fcbf9b0 R09: 000000000000000c
[  345.707451][ T8759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f760a679fd0
[  345.707452][ T8759] R13: 00007ffc7fcbf938 R14: 00007f760c14001a R15: 00007ffc7fcbfd28
| [  347.631570][ T8785] softirqs last disabled at (381838): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  347.631574][ T8785] Preemption disabled at:
| [  347.631575][ T8785] vprintk_emit (kernel/printk/printk.c:2471)
| [  347.631584][ T8785] Tainted: [W]=WARN
[  347.631585][ T8785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  347.631586][ T8785] Call Trace:
[  347.631588][ T8785]  <TASK>
[  347.631590][ T8785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  347.631596][ T8785]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  347.631598][ T8785]  __might_resched.cold (kernel/sched/core.c:9234)
[  347.631603][ T8785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  347.631609][ 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)
[  347.631616][ 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))
[  347.631620][ T8785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  347.631630][ 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)
[  347.631634][ T8785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  347.631640][ T8785]  put_chars (drivers/char/virtio_console.c:1176)
[  347.631644][ T8785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  347.631646][ T8785]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  347.631652][ T8785]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  347.631663][ T8785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  347.631676][ T8785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  347.631680][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.631684][ T8785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.631695][ T8785]  console_emit_next_record (kernel/printk/printk.c:3183)
[  347.631703][ T8785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  347.631706][ 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))
[  347.631712][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.631715][ T8785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  347.631722][ T8785]  console_flush_one_record (kernel/printk/printk.c:3268)
[  347.631730][ T8785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  347.631733][ T8785]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.631744][ T8785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  347.631748][ T8785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  347.631751][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.631754][ 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)
[  347.631770][ T8785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  347.631773][ T8785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  347.631778][ T8785]  vprintk_emit (kernel/printk/printk.c:2479)
[  347.631784][ T8785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  347.631787][ T8785]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  347.631791][ T8785]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  347.631796][ T8785]  _printk (kernel/printk/printk.c:2504)
[  347.631800][ T8785]  ? snapshot_read.cold (user.c:?)
[  347.631805][ T8785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  347.631806][ T8785]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  347.631810][ T8785]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  347.631815][ T8785]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  347.631818][ T8785]  ? netdev_notice (net/core/dev.c:13194)
[  347.631820][ T8785]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  347.631827][ T8785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  347.631834][ 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)
[  347.631837][ T8785]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  347.631841][ T8785]  netif_set_promiscuity (net/core/dev.c:9699)
[  347.631847][ T8785]  dev_set_promiscuity (net/core/dev_api.c:288)
[  347.631850][ T8785] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  347.631856][ T8785] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  347.631864][ T8785] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  347.631871][ T8785]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  347.631875][ T8785]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  347.631886][ T8785]  ? security_capable (security/security.c:660 (discriminator 11))
[  347.631891][ T8785]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  347.631895][ T8785]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  347.631898][ T8785]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  347.631900][ 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
[  347.631905][ T8785]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.631912][ T8785]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  347.631916][ T8785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  347.631918][ T8785]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  347.631922][ T8785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  347.631931][ 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))
[  347.631933][ 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))
[  347.631937][ T8785]  genl_rcv (net/netlink/genetlink.c:1218)
[  347.631940][ T8785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  347.631945][ T8785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  347.631949][ T8785]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  347.631953][ T8785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  347.631958][ T8785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  347.631960][ T8785]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  347.631963][ T8785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  347.631969][ T8785]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  347.631972][ T8785]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  347.631977][ T8785]  __sys_sendto (net/socket.c:2281)
[  347.631980][ T8785]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  347.631986][ T8785]  ? do_futex (kernel/futex/syscalls.c:138)
[  347.631990][ T8785]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  347.631997][ T8785]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  347.632002][ T8785]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  347.632006][ T8785]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  347.632009][ T8785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  347.632013][ T8785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  347.632015][ T8785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  347.632018][ T8785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  347.632020][ T8785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  347.632023][ T8785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  347.632025][ T8785] RIP: 0033:0x7fd3abf80312
[  347.632029][ 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)
[  347.632031][ T8785] RSP: 002b:00007fffc1b8b548 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  347.632034][ T8785] RAX: ffffffffffffffda RBX: 00007fffc1b8b678 RCX: 00007fd3abf80312
[  347.632035][ T8785] RDX: 0000000000000024 RSI: 00007fd3a8308090 RDI: 0000000000000020
[  347.632036][ T8785] RBP: 00007fffc1b8b570 R08: 00007fffc1b8b6f0 R09: 000000000000000c
[  347.632037][ T8785] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd3a9dede10
[  347.632038][ T8785] R13: 00007fffc1b8b678 R14: 00007fd3ab89f01a R15: 00007fffc1b8ba68
| [  351.440709][ T8880] softirqs last disabled at (391912): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  351.440712][ T8880] Preemption disabled at:
| [  351.440713][ T8880] vprintk_emit (kernel/printk/printk.c:2471)
| [  351.440722][ T8880] Tainted: [W]=WARN
[  351.440723][ T8880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  351.440725][ T8880] Call Trace:
[  351.440726][ T8880]  <TASK>
[  351.440728][ T8880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  351.440734][ T8880]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  351.440736][ T8880]  __might_resched.cold (kernel/sched/core.c:9234)
[  351.440741][ T8880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  351.440746][ 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)
[  351.440751][ 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))
[  351.440753][ T8880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  351.440761][ 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)
[  351.440764][ T8880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  351.440768][ T8880]  put_chars (drivers/char/virtio_console.c:1176)
[  351.440771][ T8880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  351.440775][ T8880]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  351.440778][ T8880]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  351.440789][ T8880]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  351.440794][ T8880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  351.440799][ T8880]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  351.440801][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  351.440803][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  351.440808][ T8880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  351.440810][ T8880]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  351.440815][ T8880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  351.440820][ T8880]  console_emit_next_record (kernel/printk/printk.c:3183)
[  351.440825][ T8880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  351.440827][ 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))
[  351.440831][ T8880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  351.440834][ T8880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  351.440839][ T8880]  console_flush_one_record (kernel/printk/printk.c:3268)
[  351.440844][ T8880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  351.440846][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  351.440852][ T8880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  351.440856][ T8880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  351.440858][ T8880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  351.440860][ 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)
[  351.440867][ T8880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  351.440870][ T8880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  351.440875][ T8880]  vprintk_emit (kernel/printk/printk.c:2479)
[  351.440879][ T8880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  351.440881][ T8880]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  351.440883][ T8880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  351.440889][ T8880]  _printk (kernel/printk/printk.c:2504)
[  351.440893][ T8880]  ? snapshot_read.cold (user.c:?)
[  351.440895][ T8880]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  351.440902][ T8880]  ? idr_get_free (??:?)
[  351.440908][ T8880]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  351.440918][ T8880]  ? nla_get_range_signed (lib/nlattr.c:270)
[  351.440925][ T8880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  351.440927][ T8880]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  351.440933][ T8880]  __nla_validate_parse (lib/nlattr.c:635)
[  351.440938][ T8880]  __nla_parse (lib/nlattr.c:732)
[  351.440941][ T8880]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  351.440948][ T8880]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  351.440952][ T8880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  351.440962][ T8880]  ? security_capable (security/security.c:660 (discriminator 11))
[  351.440967][ T8880]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  351.440972][ T8880]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  351.440974][ T8880]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  351.440977][ T8880]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  351.440986][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  351.440993][ T8880]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  351.440997][ T8880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  351.440999][ T8880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  351.441003][ T8880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  351.441012][ 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))
[  351.441015][ 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))
[  351.441020][ T8880]  genl_rcv (net/netlink/genetlink.c:1218)
[  351.441022][ T8880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  351.441027][ T8880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  351.441031][ T8880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  351.441036][ T8880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  351.441040][ T8880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  351.441043][ T8880]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  351.441046][ T8880]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  351.441052][ T8880]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  351.441055][ T8880]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  351.441060][ T8880]  __sys_sendto (net/socket.c:2281)
[  351.441063][ T8880]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  351.441077][ T8880]  ? fput_close_sync (fs/file_table.c:617)
[  351.441081][ T8880]  ? alloc_file_clone (fs/file_table.c:479)
[  351.441086][ T8880]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  351.441088][ T8880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  351.441092][ T8880]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  351.441095][ T8880]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  351.441098][ T8880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  351.441100][ T8880]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  351.441103][ T8880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  351.441105][ T8880] RIP: 0033:0x7f9d7c63e312
[  351.441109][ 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)
[  351.441111][ T8880] RSP: 002b:00007fffb4091fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  351.441114][ T8880] RAX: ffffffffffffffda RBX: 00007fffb40920e8 RCX: 00007f9d7c63e312
[  351.441116][ T8880] RDX: 0000000000000044 RSI: 00007f9d7a3575a0 RDI: 0000000000000020
[  351.441117][ T8880] RBP: 00007fffb4091fe0 R08: 00007fffb4092160 R09: 000000000000000c
[  351.441118][ T8880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d7a4a20b0
[  351.441119][ T8880] R13: 00007fffb40920e8 R14: 00007f9d7bf5d01a R15: 00007fffb40924d8
| [  352.805579][ T8912] softirqs last disabled at (380548): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  352.805581][ T8912] Preemption disabled at:
| [  352.805582][ T8912] vprintk_emit (kernel/printk/printk.c:2471)
| [  352.805591][ T8912] Tainted: [W]=WARN
[  352.805592][ T8912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  352.805594][ T8912] Call Trace:
[  352.805595][ T8912]  <TASK>
[  352.805597][ T8912]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  352.805604][ T8912]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  352.805606][ T8912]  __might_resched.cold (kernel/sched/core.c:9234)
[  352.805610][ T8912]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.805615][ T8912]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  352.805621][ T8912]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  352.805623][ T8912]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.805630][ T8912]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  352.805633][ T8912]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.805638][ T8912]  put_chars (drivers/char/virtio_console.c:1176)
[  352.805640][ T8912]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  352.805644][ T8912]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.805648][ T8912]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.805653][ T8912]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  352.805658][ T8912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.805659][ T8912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.805665][ T8912]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  352.805670][ T8912]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.805672][ T8912]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.805677][ T8912]  console_emit_next_record (kernel/printk/printk.c:3183)
[  352.805682][ T8912]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  352.805684][ T8912]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  352.805688][ T8912]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.805690][ T8912]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.805699][ T8912]  console_flush_one_record (kernel/printk/printk.c:3268)
[  352.805705][ T8912]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  352.805707][ T8912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.805714][ T8912]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  352.805718][ T8912]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  352.805720][ T8912]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.805722][ T8912]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  352.805727][ T8912]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  352.805729][ T8912]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  352.805733][ T8912]  vprintk_emit (kernel/printk/printk.c:2479)
[  352.805737][ T8912]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  352.805744][ T8912]  _printk (kernel/printk/printk.c:2504)
[  352.805748][ T8912]  ? snapshot_read.cold (user.c:?)
[  352.805751][ T8912]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  352.805755][ T8912]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  352.805759][ T8912]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  352.805761][ T8912]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  352.805765][ T8912]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  352.805770][ T8912]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  352.805774][ T8912]  ? netdev_notice (net/core/dev.c:13194)
[  352.805776][ T8912]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  352.805796][ T8912]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  352.805799][ T8912]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  352.805803][ T8912]  netif_set_promiscuity (net/core/dev.c:9699)
[  352.805808][ T8912]  dev_set_promiscuity (net/core/dev_api.c:288)
[  352.805810][ T8912]  ? dev_disable_lro (net/core/dev_api.c:267)
[  352.805813][ T8912] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  352.805819][ T8912] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  352.805825][ T8912] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  352.805830][ T8912]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  352.805835][ T8912] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  352.805842][ T8912]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  352.805846][ T8912]  ? __nla_validate_parse (lib/nlattr.c:635)
[  352.805854][ T8912]  ? __nla_parse (lib/nlattr.c:732)
[  352.805857][ T8912]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  352.805865][ T8912]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  352.805872][ T8912]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  352.805885][ T8912]  ? security_capable (security/security.c:660 (discriminator 11))
[  352.805890][ T8912]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  352.805895][ T8912]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  352.805898][ T8912]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.805900][ T8912]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  352.805905][ T8912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.805912][ T8912]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  352.805916][ T8912]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  352.805918][ T8912]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  352.805923][ T8912]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  352.805932][ T8912]  ? 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))
[  352.805934][ T8912]  ? 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))
[  352.805939][ T8912]  genl_rcv (net/netlink/genetlink.c:1218)
[  352.805941][ T8912]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  352.805946][ T8912]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  352.805948][ T8912]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  352.805954][ T8912]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.805959][ T8912]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  352.805964][ T8912]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  352.805965][ T8912]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  352.805969][ T8912]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.805975][ T8912]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  352.805978][ T8912]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  352.805983][ T8912]  __sys_sendto (net/socket.c:2281)
[  352.805987][ T8912]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  352.805993][ T8912]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  352.805995][ T8912]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  352.805998][ T8912]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229)
[  352.805999][ T8912]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[  352.806008][ T8912]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.806013][ T8912]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  352.806016][ T8912]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  352.806020][ T8912]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  352.806021][ T8912]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  352.806024][ T8912]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  352.806027][ T8912]  ? irq_exit_rcu (kernel/softirq.c:786)
[  352.806031][ T8912]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  352.806034][ T8912] RIP: 0033:0x7f827e212312
[  352.806038][ T8912] 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)
[  352.806040][ T8912] RSP: 002b:00007ffcb4d004a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  352.806043][ T8912] RAX: ffffffffffffffda RBX: 00007ffcb4d005d8 RCX: 00007f827e212312
[  352.806044][ T8912] RDX: 0000000000000038 RSI: 00007f8279e49af0 RDI: 0000000000000023
[  352.806045][ T8912] RBP: 00007ffcb4d004d0 R08: 00007ffcb4d00650 R09: 000000000000000c
[  352.806046][ T8912] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f827c076190
[  352.806047][ T8912] R13: 00007ffcb4d005d8 R14: 00007f827db3101a R15: 00007ffcb4d009c8
| [  353.994540][ T8939] softirqs last disabled at (397200): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  353.994542][ T8939] Preemption disabled at:
| [  353.994543][ T8939] vprintk_emit (kernel/printk/printk.c:2471)
| [  353.994552][ T8939] Tainted: [W]=WARN
[  353.994553][ T8939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  353.994555][ T8939] Call Trace:
[  353.994556][ T8939]  <TASK>
[  353.994558][ T8939]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  353.994565][ T8939]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  353.994567][ T8939]  __might_resched.cold (kernel/sched/core.c:9234)
[  353.994572][ T8939]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  353.994576][ T8939]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  353.994582][ T8939]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  353.994584][ T8939]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  353.994592][ T8939]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  353.994595][ T8939]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  353.994599][ T8939]  put_chars (drivers/char/virtio_console.c:1176)
[  353.994602][ T8939]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  353.994606][ T8939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  353.994609][ T8939]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  353.994615][ T8939]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  353.994619][ T8939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.994621][ T8939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.994627][ T8939]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  353.994631][ T8939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  353.994634][ T8939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  353.994639][ T8939]  console_emit_next_record (kernel/printk/printk.c:3183)
[  353.994644][ T8939]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  353.994646][ T8939]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  353.994650][ T8939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  353.994652][ T8939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  353.994657][ T8939]  console_flush_one_record (kernel/printk/printk.c:3268)
[  353.994662][ T8939]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  353.994664][ T8939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.994670][ T8939]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  353.994674][ T8939]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  353.994676][ T8939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  353.994678][ T8939]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  353.994682][ T8939]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  353.994685][ T8939]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  353.994688][ T8939]  vprintk_emit (kernel/printk/printk.c:2479)
[  353.994695][ T8939]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  353.994701][ T8939]  _printk (kernel/printk/printk.c:2504)
[  353.994705][ T8939]  ? snapshot_read.cold (user.c:?)
[  353.994709][ T8939]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  353.994712][ T8939]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  353.994716][ T8939]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  353.994718][ T8939]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  353.994720][ T8939]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  353.994724][ T8939]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  353.994729][ T8939]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  353.994732][ T8939]  ? netdev_notice (net/core/dev.c:13194)
[  353.994734][ T8939]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  353.994745][ T8939]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  353.994748][ T8939]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  353.994752][ T8939]  netif_set_promiscuity (net/core/dev.c:9699)
[  353.994757][ T8939]  dev_set_promiscuity (net/core/dev_api.c:288)
[  353.994759][ T8939]  ? dev_disable_lro (net/core/dev_api.c:267)
[  353.994762][ T8939] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  353.994768][ T8939] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  353.994773][ T8939] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  353.994778][ T8939]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  353.994783][ T8939] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  353.994790][ T8939]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  353.994802][ T8939]  ? __nla_validate_parse (lib/nlattr.c:635)
[  353.994809][ T8939]  ? __nla_parse (lib/nlattr.c:732)
[  353.994812][ T8939]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  353.994818][ T8939]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  353.994822][ T8939]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  353.994832][ T8939]  ? security_capable (security/security.c:660 (discriminator 11))
[  353.994838][ T8939]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  353.994842][ T8939]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  353.994845][ T8939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  353.994847][ T8939]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  353.994852][ T8939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.994859][ T8939]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  353.994866][ T8939]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  353.994869][ T8939]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  353.994875][ T8939]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  353.994884][ T8939]  ? 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))
[  353.994886][ T8939]  ? 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))
[  353.994891][ T8939]  genl_rcv (net/netlink/genetlink.c:1218)
[  353.994894][ T8939]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  353.994899][ T8939]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  353.994904][ T8939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.994908][ T8939]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  353.994913][ T8939]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  353.994915][ T8939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  353.994919][ T8939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  353.994925][ T8939]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  353.994928][ T8939]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  353.994933][ T8939]  __sys_sendto (net/socket.c:2281)
[  353.994936][ T8939]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  353.994943][ T8939]  ? do_futex (kernel/futex/syscalls.c:138)
[  353.994946][ T8939]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  353.994954][ T8939]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  353.994958][ T8939]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  353.994963][ T8939]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  353.994966][ T8939]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  353.994970][ T8939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  353.994971][ T8939]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  353.994974][ T8939]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  353.994976][ T8939]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  353.994979][ T8939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  353.994982][ T8939] RIP: 0033:0x7ff813650312
[  353.994986][ T8939] 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)
[  353.994988][ T8939] RSP: 002b:00007ffef98b7ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  353.994991][ T8939] RAX: ffffffffffffffda RBX: 00007ffef98b7fd8 RCX: 00007ff813650312
[  353.994992][ T8939] RDX: 0000000000000034 RSI: 00007ff810115c70 RDI: 0000000000000023
[  353.994993][ T8939] RBP: 00007ffef98b7ed0 R08: 00007ffef98b8050 R09: 000000000000000c
[  353.994994][ T8939] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff8114be190
[  353.994995][ T8939] R13: 00007ffef98b7fd8 R14: 00007ff812f6f01a R15: 00007ffef98b83c8
| [  363.864721][   T70] softirqs last disabled at (8860688): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  363.864724][   T70] Preemption disabled at:
| [  363.864724][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  363.864734][   T70] Tainted: [W]=WARN
[  363.864735][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  363.864737][   T70] Workqueue: netns cleanup_net
[  363.864740][   T70] Call Trace:
[  363.864742][   T70]  <TASK>
[  363.864744][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  363.864751][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  363.864753][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  363.864758][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  363.864762][   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)
[  363.864768][   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))
[  363.864770][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  363.864778][   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)
[  363.864781][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  363.864785][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  363.864787][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  363.864790][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  363.864794][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  363.864798][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  363.864801][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  363.864805][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  363.864810][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  363.864813][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  363.864815][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  363.864820][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  363.864823][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  363.864827][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.864829][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.864834][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  363.864839][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  363.864841][   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))
[  363.864845][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.864853][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.864859][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  363.864867][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  363.864870][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  363.864877][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  363.864881][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  363.864883][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.864885][   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)
[  363.864890][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  363.864892][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  363.864896][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  363.864900][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  363.864903][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  363.864905][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  363.864915][   T70]  _printk (kernel/printk/printk.c:2504)
[  363.864919][   T70]  ? snapshot_read.cold (user.c:?)
[  363.864925][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  363.864929][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  363.864934][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  363.864937][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  363.864939][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  363.864944][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  363.864951][   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)
[  363.864954][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  363.864959][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  363.864963][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  363.864965][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  363.864969][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  363.864976][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  363.864981][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.864984][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  363.864991][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  363.864997][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  363.865007][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  363.865012][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  363.865015][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  363.865018][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  363.865023][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  363.865028][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  363.865032][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  363.865034][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  363.865038][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  363.865043][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  363.865047][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  363.865052][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  363.865054][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  363.865059][   T70]  process_one_work (kernel/workqueue.c:3387)
[  363.865067][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  363.865071][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  363.865081][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  363.865086][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  363.865089][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  363.865092][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  363.865095][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  363.865098][   T70]  kthread (kernel/kthread.c:436)
[  363.865100][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  363.865104][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  363.865108][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  363.865113][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  363.865117][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  363.865121][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  363.865124][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  364.970021][ T9140] softirqs last disabled at (373452): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  364.970023][ T9140] Preemption disabled at:
| [  364.970024][ T9140] vprintk_emit (kernel/printk/printk.c:2471)
| [  364.970034][ T9140] Tainted: [W]=WARN
[  364.970036][ T9140] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  364.970037][ T9140] Call Trace:
[  364.970039][ T9140]  <TASK>
[  364.970041][ T9140]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  364.970048][ T9140]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  364.970050][ T9140]  __might_resched.cold (kernel/sched/core.c:9234)
[  364.970056][ T9140]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  364.970061][ T9140]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  364.970067][ T9140]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  364.970070][ T9140]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.970078][ T9140]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  364.970082][ T9140]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.970087][ T9140]  put_chars (drivers/char/virtio_console.c:1176)
[  364.970090][ T9140]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  364.970092][ T9140]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  364.970096][ T9140]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  364.970104][ T9140]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  364.970115][ T9140]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  364.970118][ T9140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.970121][ T9140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.970126][ T9140]  console_emit_next_record (kernel/printk/printk.c:3183)
[  364.970132][ T9140]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  364.970134][ T9140]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  364.970138][ T9140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.970140][ T9140]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.970146][ T9140]  console_flush_one_record (kernel/printk/printk.c:3268)
[  364.970152][ T9140]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  364.970154][ T9140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.970161][ T9140]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  364.970165][ T9140]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  364.970167][ T9140]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.970169][ T9140]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  364.970174][ T9140]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  364.970176][ T9140]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  364.970179][ T9140]  vprintk_emit (kernel/printk/printk.c:2479)
[  364.970183][ T9140]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  364.970187][ T9140]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  364.970190][ T9140]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  364.970198][ T9140]  _printk (kernel/printk/printk.c:2504)
[  364.970202][ T9140]  ? snapshot_read.cold (user.c:?)
[  364.970208][ T9140]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  364.970212][ T9140]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  364.970217][ T9140]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  364.970220][ T9140]  ? netdev_notice (net/core/dev.c:13194)
[  364.970222][ T9140]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  364.970228][ T9140]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  364.970234][ T9140]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  364.970237][ T9140]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  364.970241][ T9140]  netif_set_promiscuity (net/core/dev.c:9699)
[  364.970246][ T9140]  dev_set_promiscuity (net/core/dev_api.c:288)
[  364.970248][ T9140]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  364.970252][ T9140] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  364.970256][ T9140]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  364.970261][ T9140] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  364.970266][ T9140] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  364.970275][ T9140]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  364.970280][ T9140]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  364.970291][ T9140]  ? security_capable (security/security.c:660 (discriminator 11))
[  364.970296][ T9140]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  364.970301][ T9140]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  364.970304][ T9140]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  364.970307][ T9140]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  364.970312][ T9140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.970319][ T9140]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  364.970323][ T9140]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  364.970326][ T9140]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  364.970330][ T9140]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  364.970339][ T9140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  364.970341][ T9140]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  364.970346][ T9140]  genl_rcv (net/netlink/genetlink.c:1218)
[  364.970349][ T9140]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  364.970354][ T9140]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  364.970356][ T9140]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  364.970362][ T9140]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  364.970367][ T9140]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  364.970372][ T9140]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  364.970374][ T9140]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.970378][ T9140]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  364.970384][ T9140]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  364.970387][ T9140]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  364.970392][ T9140]  __sys_sendto (net/socket.c:2281)
[  364.970396][ T9140]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  364.970410][ T9140]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  364.970418][ T9140]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  364.970421][ T9140]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  364.970426][ T9140]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  364.970428][ T9140]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  364.970431][ T9140]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  364.970433][ T9140]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  364.970436][ T9140]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  364.970439][ T9140] RIP: 0033:0x7fa96a048312
[  364.970443][ T9140] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  364.970445][ T9140] RSP: 002b:00007fffdd5aa618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  364.970448][ T9140] RAX: ffffffffffffffda RBX: 00007fffdd5aa748 RCX: 00007fa96a048312
[  364.970449][ T9140] RDX: 0000000000000024 RSI: 00007fa967d42a00 RDI: 0000000000000023
[  364.970450][ T9140] RBP: 00007fffdd5aa640 R08: 00007fffdd5aa7c0 R09: 000000000000000c
[  364.970452][ T9140] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa967eb5fd0
[  364.970453][ T9140] R13: 00007fffdd5aa748 R14: 00007fa96996701a R15: 00007fffdd5aab38
| [  366.705269][ T9166] softirqs last disabled at (358318): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  366.705271][ T9166] Preemption disabled at:
| [  366.705272][ T9166] vprintk_emit (kernel/printk/printk.c:2471)
| [  366.705281][ T9166] Tainted: [W]=WARN
[  366.705283][ T9166] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  366.705284][ T9166] Call Trace:
[  366.705285][ T9166]  <TASK>
[  366.705287][ T9166]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  366.705294][ T9166]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  366.705296][ T9166]  __might_resched.cold (kernel/sched/core.c:9234)
[  366.705301][ T9166]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  366.705306][ T9166]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  366.705311][ T9166]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  366.705313][ T9166]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  366.705321][ T9166]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  366.705324][ T9166]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  366.705328][ T9166]  put_chars (drivers/char/virtio_console.c:1176)
[  366.705331][ T9166]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  366.705332][ T9166]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  366.705337][ T9166]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  366.705343][ T9166]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  366.705352][ T9166]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  366.705355][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.705358][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.705363][ T9166]  console_emit_next_record (kernel/printk/printk.c:3183)
[  366.705368][ T9166]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  366.705370][ T9166]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  366.705374][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.705376][ T9166]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.705381][ T9166]  console_flush_one_record (kernel/printk/printk.c:3268)
[  366.705386][ T9166]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  366.705388][ T9166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.705395][ T9166]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  366.705399][ T9166]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  366.705401][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.705403][ T9166]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  366.705407][ T9166]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  366.705409][ T9166]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  366.705413][ T9166]  vprintk_emit (kernel/printk/printk.c:2479)
[  366.705416][ T9166]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  366.705419][ T9166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  366.705422][ T9166]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  366.705427][ T9166]  _printk (kernel/printk/printk.c:2504)
[  366.705431][ T9166]  ? snapshot_read.cold (user.c:?)
[  366.705436][ T9166]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.705437][ T9166]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  366.705442][ T9166]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  366.705446][ T9166]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  366.705450][ T9166]  ? netdev_notice (net/core/dev.c:13194)
[  366.705452][ T9166]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  366.705459][ T9166]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  366.705465][ T9166]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  366.705468][ T9166]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  366.705473][ T9166]  netif_set_promiscuity (net/core/dev.c:9699)
[  366.705478][ T9166]  dev_set_promiscuity (net/core/dev_api.c:288)
[  366.705482][ T9166] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  366.705487][ T9166] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  366.705496][ T9166] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  366.705502][ T9166]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  366.705506][ T9166]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  366.705517][ T9166]  ? security_capable (security/security.c:660 (discriminator 11))
[  366.705522][ T9166]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  366.705526][ T9166]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  366.705529][ T9166]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  366.705532][ T9166]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  366.705537][ T9166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.705544][ T9166]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  366.705548][ T9166]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  366.705550][ T9166]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  366.705554][ T9166]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  366.705563][ T9166]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  366.705566][ T9166]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  366.705571][ T9166]  genl_rcv (net/netlink/genetlink.c:1218)
[  366.705573][ T9166]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  366.705578][ T9166]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  366.705583][ T9166]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  366.705587][ T9166]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  366.705592][ T9166]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  366.705594][ T9166]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  366.705598][ T9166]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  366.705604][ T9166]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  366.705607][ T9166]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  366.705611][ T9166]  __sys_sendto (net/socket.c:2281)
[  366.705615][ T9166]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  366.705629][ T9166]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  366.705635][ T9166]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  366.705638][ T9166]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  366.705642][ T9166]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  366.705644][ T9166]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  366.705646][ T9166]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  366.705649][ T9166]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  366.705652][ T9166]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  366.705654][ T9166] RIP: 0033:0x7f283acf8312
[  366.705658][ T9166] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  366.705660][ T9166] RSP: 002b:00007ffdcae9cab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  366.705663][ T9166] RAX: ffffffffffffffda RBX: 00007ffdcae9cbe8 RCX: 00007f283acf8312
[  366.705664][ T9166] RDX: 0000000000000024 RSI: 00007f2838085260 RDI: 0000000000000020
[  366.705665][ T9166] RBP: 00007ffdcae9cae0 R08: 00007ffdcae9cc60 R09: 000000000000000c
[  366.705666][ T9166] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2838b65e10
[  366.705667][ T9166] R13: 00007ffdcae9cbe8 R14: 00007f283a61701a R15: 00007ffdcae9cfd8
| [  370.638924][ T9273] softirqs last disabled at (389412): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  370.638927][ T9273] Preemption disabled at:
| [  370.638928][ T9273] vprintk_emit (kernel/printk/printk.c:2471)
| [  370.638937][ T9273] Tainted: [W]=WARN
[  370.638938][ T9273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  370.638940][ T9273] Call Trace:
[  370.638942][ T9273]  <TASK>
[  370.638944][ T9273]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  370.638950][ T9273]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  370.638952][ T9273]  __might_resched.cold (kernel/sched/core.c:9234)
[  370.638957][ T9273]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  370.638962][ T9273]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  370.638967][ T9273]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  370.638969][ T9273]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  370.638976][ T9273]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  370.638979][ T9273]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  370.638984][ T9273]  put_chars (drivers/char/virtio_console.c:1176)
[  370.638986][ T9273]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  370.638989][ T9273]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  370.638993][ T9273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  370.638996][ T9273]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  370.639001][ T9273]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  370.639005][ T9273]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  370.639007][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.639009][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.639014][ T9273]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  370.639016][ T9273]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  370.639021][ T9273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.639026][ T9273]  console_emit_next_record (kernel/printk/printk.c:3183)
[  370.639031][ T9273]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  370.639033][ T9273]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  370.639037][ T9273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.639039][ T9273]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.639044][ T9273]  console_flush_one_record (kernel/printk/printk.c:3268)
[  370.639049][ T9273]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  370.639051][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.639058][ T9273]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  370.639061][ T9273]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  370.639063][ T9273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.639065][ T9273]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  370.639069][ T9273]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  370.639071][ T9273]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  370.639075][ T9273]  vprintk_emit (kernel/printk/printk.c:2479)
[  370.639078][ T9273]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  370.639081][ T9273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  370.639083][ T9273]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  370.639088][ T9273]  _printk (kernel/printk/printk.c:2504)
[  370.639092][ T9273]  ? snapshot_read.cold (user.c:?)
[  370.639094][ T9273]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  370.639101][ T9273]  ? idr_get_free (??:?)
[  370.639106][ T9273]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  370.639117][ T9273]  ? nla_get_range_signed (lib/nlattr.c:270)
[  370.639124][ T9273]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.639126][ T9273]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  370.639131][ T9273]  __nla_validate_parse (lib/nlattr.c:635)
[  370.639137][ T9273]  __nla_parse (lib/nlattr.c:732)
[  370.639140][ T9273]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  370.639146][ T9273]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  370.639150][ T9273]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  370.639160][ T9273]  ? security_capable (security/security.c:660 (discriminator 11))
[  370.639164][ T9273]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  370.639169][ T9273]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  370.639172][ T9273]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  370.639175][ T9273]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  370.639183][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.639190][ T9273]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  370.639194][ T9273]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  370.639196][ T9273]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  370.639200][ T9273]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  370.639209][ T9273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  370.639211][ T9273]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  370.639216][ T9273]  genl_rcv (net/netlink/genetlink.c:1218)
[  370.639219][ T9273]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  370.639223][ T9273]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  370.639228][ T9273]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.639232][ T9273]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  370.639237][ T9273]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  370.639239][ T9273]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  370.639242][ T9273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  370.639248][ T9273]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  370.639251][ T9273]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  370.639255][ T9273]  __sys_sendto (net/socket.c:2281)
[  370.639259][ T9273]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  370.639266][ T9273]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  370.639276][ T9273]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  370.639280][ T9273]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  370.639283][ T9273]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  370.639287][ T9273]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  370.639289][ T9273]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  370.639292][ T9273]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  370.639295][ T9273]  ? irq_exit_rcu (kernel/softirq.c:786)
[  370.639299][ T9273]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  370.639302][ T9273] RIP: 0033:0x7f206f2dd312
[  370.639306][ T9273] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  370.639308][ T9273] RSP: 002b:00007fff0016b5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  370.639311][ T9273] RAX: ffffffffffffffda RBX: 00007fff0016b728 RCX: 00007f206f2dd312
[  370.639312][ T9273] RDX: 0000000000000044 RSI: 00007f206c68add0 RDI: 0000000000000020
[  370.639313][ T9273] RBP: 00007fff0016b620 R08: 00007fff0016b7a0 R09: 000000000000000c
[  370.639314][ T9273] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f206d13a120
[  370.639315][ T9273] R13: 00007fff0016b728 R14: 00007f206ebfc01a R15: 00007fff0016bb18
| [  372.023258][ T9305] softirqs last disabled at (391850): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  372.023260][ T9305] Preemption disabled at:
| [  372.023261][ T9305] vprintk_emit (kernel/printk/printk.c:2471)
| [  372.023270][ T9305] Tainted: [W]=WARN
[  372.023271][ T9305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  372.023273][ T9305] Call Trace:
[  372.023274][ T9305]  <TASK>
[  372.023276][ T9305]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  372.023282][ T9305]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  372.023284][ T9305]  __might_resched.cold (kernel/sched/core.c:9234)
[  372.023289][ T9305]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  372.023294][ T9305]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  372.023299][ T9305]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  372.023302][ T9305]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  372.023309][ T9305]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  372.023313][ T9305]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  372.023317][ T9305]  put_chars (drivers/char/virtio_console.c:1176)
[  372.023320][ T9305]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  372.023324][ T9305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  372.023327][ T9305]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  372.023333][ T9305]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  372.023337][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.023339][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.023345][ T9305]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  372.023350][ T9305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.023352][ T9305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.023357][ T9305]  console_emit_next_record (kernel/printk/printk.c:3183)
[  372.023363][ T9305]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  372.023365][ T9305]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  372.023369][ T9305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.023371][ T9305]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.023376][ T9305]  console_flush_one_record (kernel/printk/printk.c:3268)
[  372.023381][ T9305]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  372.023383][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.023390][ T9305]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  372.023394][ T9305]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  372.023396][ T9305]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.023398][ T9305]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  372.023403][ T9305]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  372.023405][ T9305]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  372.023408][ T9305]  vprintk_emit (kernel/printk/printk.c:2479)
[  372.023412][ T9305]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  372.023419][ T9305]  _printk (kernel/printk/printk.c:2504)
[  372.023423][ T9305]  ? snapshot_read.cold (user.c:?)
[  372.023426][ T9305]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  372.023430][ T9305]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  372.023434][ T9305]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  372.023436][ T9305]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  372.023441][ T9305]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  372.023446][ T9305]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  372.023449][ T9305]  ? netdev_notice (net/core/dev.c:13194)
[  372.023451][ T9305]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  372.023462][ T9305]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  372.023465][ T9305]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  372.023469][ T9305]  netif_set_promiscuity (net/core/dev.c:9699)
[  372.023476][ T9305]  dev_set_promiscuity (net/core/dev_api.c:288)
[  372.023479][ T9305]  ? dev_disable_lro (net/core/dev_api.c:267)
[  372.023483][ T9305] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  372.023492][ T9305] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  372.023498][ T9305] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  372.023503][ T9305]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  372.023508][ T9305] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  372.023515][ T9305]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  372.023519][ T9305]  ? __nla_validate_parse (lib/nlattr.c:635)
[  372.023527][ T9305]  ? __nla_parse (lib/nlattr.c:732)
[  372.023530][ T9305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  372.023536][ T9305]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  372.023540][ T9305]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  372.023550][ T9305]  ? security_capable (security/security.c:660 (discriminator 11))
[  372.023556][ T9305]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  372.023560][ T9305]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  372.023563][ T9305]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  372.023566][ T9305]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  372.023571][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.023578][ T9305]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  372.023582][ T9305]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  372.023584][ T9305]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  372.023588][ T9305]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  372.023597][ T9305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  372.023599][ T9305]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  372.023604][ T9305]  genl_rcv (net/netlink/genetlink.c:1218)
[  372.023607][ T9305]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  372.023612][ T9305]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  372.023616][ T9305]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.023621][ T9305]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  372.023626][ T9305]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  372.023628][ T9305]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  372.023632][ T9305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  372.023638][ T9305]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  372.023641][ T9305]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  372.023645][ T9305]  __sys_sendto (net/socket.c:2281)
[  372.023649][ T9305]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  372.023663][ T9305]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  372.023671][ T9305]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  372.023673][ T9305]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  372.023677][ T9305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  372.023679][ T9305]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  372.023682][ T9305]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  372.023684][ T9305]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  372.023687][ T9305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  372.023689][ T9305] RIP: 0033:0x7f7f76a36312
[  372.023697][ T9305] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  372.023699][ T9305] RSP: 002b:00007ffe495c4748 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  372.023702][ T9305] RAX: ffffffffffffffda RBX: 00007ffe495c4878 RCX: 00007f7f76a36312
[  372.023704][ T9305] RDX: 0000000000000038 RSI: 00007f7f704b35f0 RDI: 0000000000000023
[  372.023705][ T9305] RBP: 00007ffe495c4770 R08: 00007ffe495c48f0 R09: 000000000000000c
[  372.023706][ T9305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7f7489a190
[  372.023706][ T9305] R13: 00007ffe495c4878 R14: 00007f7f7635501a R15: 00007ffe495c4c68
| [  373.244438][ T9332] softirqs last disabled at (390926): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  373.244441][ T9332] Preemption disabled at:
| [  373.244441][ T9332] vprintk_emit (kernel/printk/printk.c:2471)
| [  373.244451][ T9332] Tainted: [W]=WARN
[  373.244452][ T9332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.244453][ T9332] Call Trace:
[  373.244455][ T9332]  <TASK>
[  373.244456][ T9332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  373.244463][ T9332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  373.244465][ T9332]  __might_resched.cold (kernel/sched/core.c:9234)
[  373.244470][ T9332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  373.244475][ T9332]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  373.244480][ T9332]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  373.244482][ T9332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.244490][ T9332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.244493][ T9332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.244498][ T9332]  put_chars (drivers/char/virtio_console.c:1176)
[  373.244500][ T9332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  373.244505][ T9332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  373.244508][ T9332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  373.244513][ T9332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  373.244518][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.244520][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.244526][ T9332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  373.244530][ T9332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.244533][ T9332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.244538][ T9332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  373.244543][ T9332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  373.244545][ T9332]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  373.244549][ T9332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.244551][ T9332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.244556][ T9332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  373.244561][ T9332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  373.244563][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.244570][ T9332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  373.244573][ T9332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  373.244576][ T9332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.244578][ T9332]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  373.244582][ T9332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  373.244584][ T9332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  373.244588][ T9332]  vprintk_emit (kernel/printk/printk.c:2479)
[  373.244592][ T9332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  373.244598][ T9332]  _printk (kernel/printk/printk.c:2504)
[  373.244603][ T9332]  ? snapshot_read.cold (user.c:?)
[  373.244606][ T9332]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  373.244609][ T9332]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  373.244613][ T9332]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  373.244615][ T9332]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  373.244617][ T9332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  373.244621][ T9332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  373.244626][ T9332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  373.244629][ T9332]  ? netdev_notice (net/core/dev.c:13194)
[  373.244631][ T9332]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  373.244642][ T9332]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  373.244645][ T9332]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  373.244649][ T9332]  netif_set_promiscuity (net/core/dev.c:9699)
[  373.244653][ T9332]  dev_set_promiscuity (net/core/dev_api.c:288)
[  373.244656][ T9332]  ? dev_disable_lro (net/core/dev_api.c:267)
[  373.244658][ T9332] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  373.244664][ T9332] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  373.244670][ T9332] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  373.244675][ T9332]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  373.244680][ T9332] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  373.244687][ T9332]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  373.244690][ T9332]  ? __nla_validate_parse (lib/nlattr.c:635)
[  373.244700][ T9332]  ? __nla_parse (lib/nlattr.c:732)
[  373.244703][ T9332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  373.244709][ T9332]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  373.244713][ T9332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  373.244724][ T9332]  ? security_capable (security/security.c:660 (discriminator 11))
[  373.244729][ T9332]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  373.244733][ T9332]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  373.244736][ T9332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  373.244739][ T9332]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  373.244744][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.244751][ T9332]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  373.244755][ T9332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  373.244757][ T9332]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  373.244761][ T9332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  373.244770][ T9332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  373.244772][ T9332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  373.244777][ T9332]  genl_rcv (net/netlink/genetlink.c:1218)
[  373.244780][ T9332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  373.244785][ T9332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  373.244789][ T9332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.244794][ T9332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  373.244799][ T9332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  373.244801][ T9332]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  373.244804][ T9332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  373.244810][ T9332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  373.244814][ T9332]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  373.244818][ T9332]  __sys_sendto (net/socket.c:2281)
[  373.244821][ T9332]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  373.244835][ T9332]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  373.244843][ T9332]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  373.244846][ T9332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.244850][ T9332]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  373.244852][ T9332]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  373.244855][ T9332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  373.244857][ T9332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  373.244860][ T9332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  373.244863][ T9332] RIP: 0033:0x7f0e53502312
[  373.244868][ T9332] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  373.244871][ T9332] RSP: 002b:00007ffccc05d368 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  373.244875][ T9332] RAX: ffffffffffffffda RBX: 00007ffccc05d498 RCX: 00007f0e53502312
[  373.244876][ T9332] RDX: 0000000000000034 RSI: 00007f0e48f593f0 RDI: 0000000000000023
[  373.244878][ T9332] RBP: 00007ffccc05d390 R08: 00007ffccc05d510 R09: 000000000000000c
[  373.244879][ T9332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0e51362190
[  373.244880][ T9332] R13: 00007ffccc05d498 R14: 00007f0e52e2101a R15: 00007ffccc05d888
| [  382.821195][   T70] softirqs last disabled at (9060958): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  382.821198][   T70] Preemption disabled at:
| [  382.821199][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  382.821208][   T70] Tainted: [W]=WARN
[  382.821209][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  382.821211][   T70] Workqueue: netns cleanup_net
[  382.821214][   T70] Call Trace:
[  382.821216][   T70]  <TASK>
[  382.821218][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  382.821225][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  382.821227][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  382.821232][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  382.821236][   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)
[  382.821241][   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))
[  382.821244][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  382.821251][   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)
[  382.821254][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  382.821259][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  382.821261][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  382.821264][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  382.821267][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  382.821271][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  382.821274][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  382.821279][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  382.821284][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  382.821286][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  382.821288][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  382.821293][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  382.821296][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  382.821300][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.821302][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.821307][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  382.821313][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  382.821315][   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))
[  382.821321][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.821323][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.821328][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  382.821333][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  382.821335][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  382.821342][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  382.821346][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  382.821348][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.821350][   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)
[  382.821354][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  382.821356][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  382.821360][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  382.821364][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  382.821367][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  382.821369][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  382.821379][   T70]  _printk (kernel/printk/printk.c:2504)
[  382.821384][   T70]  ? snapshot_read.cold (user.c:?)
[  382.821389][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  382.821393][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  382.821398][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  382.821402][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  382.821403][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  382.821408][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  382.821415][   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)
[  382.821418][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  382.821422][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  382.821427][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  382.821429][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  382.821432][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  382.821440][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  382.821445][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.821448][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  382.821455][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  382.821461][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  382.821473][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  382.821480][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  382.821485][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  382.821488][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  382.821493][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  382.821498][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  382.821502][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  382.821504][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  382.821507][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  382.821513][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  382.821517][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  382.821522][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  382.821524][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  382.821529][   T70]  process_one_work (kernel/workqueue.c:3387)
[  382.821537][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  382.821541][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  382.821551][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  382.821556][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  382.821559][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  382.821562][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  382.821565][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  382.821568][   T70]  kthread (kernel/kthread.c:436)
[  382.821570][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  382.821574][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  382.821577][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  382.821582][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  382.821586][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  382.821590][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  382.821593][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  383.875028][ T9533] softirqs last disabled at (393802): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  383.875030][ T9533] Preemption disabled at:
| [  383.875031][ T9533] vprintk_emit (kernel/printk/printk.c:2471)
| [  383.875040][ T9533] Tainted: [W]=WARN
[  383.875041][ T9533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  383.875042][ T9533] Call Trace:
[  383.875044][ T9533]  <TASK>
[  383.875046][ T9533]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  383.875053][ T9533]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  383.875055][ T9533]  __might_resched.cold (kernel/sched/core.c:9234)
[  383.875060][ T9533]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  383.875065][ T9533]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  383.875070][ T9533]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  383.875073][ T9533]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  383.875080][ T9533]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  383.875083][ T9533]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  383.875087][ T9533]  put_chars (drivers/char/virtio_console.c:1176)
[  383.875090][ T9533]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  383.875092][ T9533]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  383.875096][ T9533]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  383.875103][ T9533]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  383.875112][ T9533]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  383.875115][ T9533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  383.875117][ T9533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  383.875122][ T9533]  console_emit_next_record (kernel/printk/printk.c:3183)
[  383.875127][ T9533]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  383.875129][ T9533]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  383.875133][ T9533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  383.875136][ T9533]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  383.875141][ T9533]  console_flush_one_record (kernel/printk/printk.c:3268)
[  383.875146][ T9533]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  383.875148][ T9533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.875155][ T9533]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  383.875158][ T9533]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  383.875160][ T9533]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  383.875162][ T9533]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  383.875167][ T9533]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  383.875169][ T9533]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  383.875172][ T9533]  vprintk_emit (kernel/printk/printk.c:2479)
[  383.875176][ T9533]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  383.875180][ T9533]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  383.875183][ T9533]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  383.875191][ T9533]  _printk (kernel/printk/printk.c:2504)
[  383.875196][ T9533]  ? snapshot_read.cold (user.c:?)
[  383.875201][ T9533]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  383.875205][ T9533]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  383.875210][ T9533]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  383.875213][ T9533]  ? netdev_notice (net/core/dev.c:13194)
[  383.875215][ T9533]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  383.875220][ T9533]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  383.875227][ T9533]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  383.875230][ T9533]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  383.875234][ T9533]  netif_set_promiscuity (net/core/dev.c:9699)
[  383.875238][ T9533]  dev_set_promiscuity (net/core/dev_api.c:288)
[  383.875240][ T9533]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  383.875245][ T9533] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  383.875249][ T9533]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  383.875254][ T9533] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  383.875259][ T9533] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  383.875269][ T9533]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  383.875273][ T9533]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  383.875283][ T9533]  ? security_capable (security/security.c:660 (discriminator 11))
[  383.875288][ T9533]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  383.875293][ T9533]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  383.875296][ T9533]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  383.875299][ T9533]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  383.875304][ T9533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.875311][ T9533]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  383.875315][ T9533]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  383.875318][ T9533]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  383.875322][ T9533]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  383.875331][ T9533]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  383.875333][ T9533]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  383.875338][ T9533]  genl_rcv (net/netlink/genetlink.c:1218)
[  383.875341][ T9533]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  383.875346][ T9533]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  383.875348][ T9533]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  383.875353][ T9533]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  383.875357][ T9533]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  383.875362][ T9533]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  383.875364][ T9533]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  383.875368][ T9533]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  383.875374][ T9533]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  383.875377][ T9533]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  383.875382][ T9533]  __sys_sendto (net/socket.c:2281)
[  383.875385][ T9533]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  383.875399][ T9533]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  383.875406][ T9533]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  383.875408][ T9533]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  383.875412][ T9533]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  383.875414][ T9533]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  383.875417][ T9533]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  383.875419][ T9533]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  383.875422][ T9533]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  383.875424][ T9533] RIP: 0033:0x7f57476ae312
[  383.875428][ T9533] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  383.875430][ T9533] RSP: 002b:00007fffceab8458 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  383.875433][ T9533] RAX: ffffffffffffffda RBX: 00007fffceab8588 RCX: 00007f57476ae312
[  383.875435][ T9533] RDX: 0000000000000024 RSI: 00007f574539e4f0 RDI: 0000000000000023
[  383.875435][ T9533] RBP: 00007fffceab8480 R08: 00007fffceab8600 R09: 000000000000000c
[  383.875437][ T9533] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5745511fd0
[  383.875438][ T9533] R13: 00007fffceab8588 R14: 00007f5746fcd01a R15: 00007fffceab8978
| [  385.603656][ T9559] softirqs last disabled at (380610): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  385.603659][ T9559] Preemption disabled at:
| [  385.603659][ T9559] vprintk_emit (kernel/printk/printk.c:2471)
| [  385.603669][ T9559] Tainted: [W]=WARN
[  385.603670][ T9559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  385.603671][ T9559] Call Trace:
[  385.603673][ T9559]  <TASK>
[  385.603675][ T9559]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  385.603681][ T9559]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  385.603683][ T9559]  __might_resched.cold (kernel/sched/core.c:9234)
[  385.603688][ T9559]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  385.603697][ T9559]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  385.603702][ T9559]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  385.603704][ T9559]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  385.603712][ T9559]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  385.603715][ T9559]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  385.603719][ T9559]  put_chars (drivers/char/virtio_console.c:1176)
[  385.603722][ T9559]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  385.603724][ T9559]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  385.603728][ T9559]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  385.603735][ T9559]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  385.603744][ T9559]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  385.603747][ T9559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.603749][ T9559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  385.603754][ T9559]  console_emit_next_record (kernel/printk/printk.c:3183)
[  385.603760][ T9559]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  385.603762][ T9559]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  385.603766][ T9559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.603768][ T9559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  385.603773][ T9559]  console_flush_one_record (kernel/printk/printk.c:3268)
[  385.603778][ T9559]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  385.603780][ T9559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  385.603787][ T9559]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  385.603790][ T9559]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  385.603792][ T9559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.603794][ T9559]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  385.603799][ T9559]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  385.603801][ T9559]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  385.603805][ T9559]  vprintk_emit (kernel/printk/printk.c:2479)
[  385.603808][ T9559]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  385.603811][ T9559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  385.603813][ T9559]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  385.603819][ T9559]  _printk (kernel/printk/printk.c:2504)
[  385.603823][ T9559]  ? snapshot_read.cold (user.c:?)
[  385.603828][ T9559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  385.603829][ T9559]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  385.603834][ T9559]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  385.603838][ T9559]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  385.603842][ T9559]  ? netdev_notice (net/core/dev.c:13194)
[  385.603844][ T9559]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  385.603850][ T9559]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  385.603857][ T9559]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  385.603861][ T9559]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  385.603865][ T9559]  netif_set_promiscuity (net/core/dev.c:9699)
[  385.603870][ T9559]  dev_set_promiscuity (net/core/dev_api.c:288)
[  385.603874][ T9559] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  385.603879][ T9559] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  385.603888][ T9559] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  385.603894][ T9559]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  385.603898][ T9559]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  385.603909][ T9559]  ? security_capable (security/security.c:660 (discriminator 11))
[  385.603914][ T9559]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  385.603918][ T9559]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  385.603921][ T9559]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  385.603924][ T9559]  ? __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
[  385.603928][ T9559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  385.603936][ T9559]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  385.603940][ T9559]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  385.603942][ T9559]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  385.603946][ T9559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  385.603955][ T9559]  ? 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))
[  385.603957][ T9559]  ? 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))
[  385.603962][ T9559]  genl_rcv (net/netlink/genetlink.c:1218)
[  385.603965][ T9559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  385.603975][ T9559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  385.603980][ T9559]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  385.603984][ T9559]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  385.603989][ T9559]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  385.603991][ T9559]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  385.603994][ T9559]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  385.604001][ T9559]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  385.604004][ T9559]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  385.604008][ T9559]  __sys_sendto (net/socket.c:2281)
[  385.604012][ T9559]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  385.604026][ T9559]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  385.604033][ T9559]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  385.604035][ T9559]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  385.604039][ T9559]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  385.604041][ T9559]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  385.604044][ T9559]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  385.604046][ T9559]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  385.604049][ T9559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  385.604052][ T9559] RIP: 0033:0x7f42b9393312
[  385.604055][ T9559] 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)
[  385.604058][ T9559] RSP: 002b:00007ffefedfc878 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  385.604061][ T9559] RAX: ffffffffffffffda RBX: 00007ffefedfc9a8 RCX: 00007f42b9393312
[  385.604062][ T9559] RDX: 0000000000000024 RSI: 00007f42b4f15620 RDI: 0000000000000020
[  385.604064][ T9559] RBP: 00007ffefedfc8a0 R08: 00007ffefedfca20 R09: 000000000000000c
[  385.604065][ T9559] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f42b71f5e10
[  385.604066][ T9559] R13: 00007ffefedfc9a8 R14: 00007f42b8cb201a R15: 00007ffefedfcd98
| [  389.068802][ T9654] softirqs last disabled at (372669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  389.068805][ T9654] Preemption disabled at:
| [  389.068805][ T9654] vprintk_emit (kernel/printk/printk.c:2471)
| [  389.068814][ T9654] Tainted: [W]=WARN
[  389.068816][ T9654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  389.068817][ T9654] Call Trace:
[  389.068819][ T9654]  <TASK>
[  389.068821][ T9654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  389.068827][ T9654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  389.068829][ T9654]  __might_resched.cold (kernel/sched/core.c:9234)
[  389.068834][ T9654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  389.068839][ T9654]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  389.068844][ T9654]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  389.068846][ T9654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  389.068854][ T9654]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  389.068857][ T9654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  389.068862][ T9654]  put_chars (drivers/char/virtio_console.c:1176)
[  389.068866][ T9654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  389.068871][ T9654]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  389.068876][ T9654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  389.068880][ T9654]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  389.068885][ T9654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  389.068889][ T9654]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  389.068892][ T9654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.068894][ T9654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.068899][ T9654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  389.068901][ T9654]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  389.068907][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  389.068912][ T9654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  389.068917][ T9654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  389.068919][ T9654]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  389.068923][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  389.068925][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  389.068930][ T9654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  389.068935][ T9654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  389.068937][ T9654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.068944][ T9654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  389.068947][ T9654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  389.068950][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  389.068952][ T9654]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  389.068956][ T9654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  389.068958][ T9654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  389.068962][ T9654]  vprintk_emit (kernel/printk/printk.c:2479)
[  389.068965][ T9654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  389.068968][ T9654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  389.068970][ T9654]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  389.068976][ T9654]  _printk (kernel/printk/printk.c:2504)
[  389.068980][ T9654]  ? snapshot_read.cold (user.c:?)
[  389.068982][ T9654]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  389.068995][ T9654]  ? idr_get_free (??:?)
[  389.069001][ T9654]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  389.069012][ T9654]  ? nla_get_range_signed (lib/nlattr.c:270)
[  389.069019][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  389.069021][ T9654]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  389.069026][ T9654]  __nla_validate_parse (lib/nlattr.c:635)
[  389.069032][ T9654]  __nla_parse (lib/nlattr.c:732)
[  389.069035][ T9654]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  389.069041][ T9654]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  389.069045][ T9654]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  389.069055][ T9654]  ? security_capable (security/security.c:660 (discriminator 11))
[  389.069060][ T9654]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  389.069065][ T9654]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  389.069068][ T9654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  389.069071][ T9654]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  389.069079][ T9654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.069086][ T9654]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  389.069090][ T9654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  389.069093][ T9654]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  389.069097][ T9654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  389.069106][ T9654]  ? 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))
[  389.069108][ T9654]  ? 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))
[  389.069113][ T9654]  genl_rcv (net/netlink/genetlink.c:1218)
[  389.069115][ T9654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  389.069120][ T9654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  389.069125][ T9654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  389.069129][ T9654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  389.069134][ T9654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  389.069136][ T9654]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  389.069139][ T9654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  389.069145][ T9654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  389.069149][ T9654]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  389.069154][ T9654]  __sys_sendto (net/socket.c:2281)
[  389.069157][ T9654]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  389.069171][ T9654]  ? fput_close_sync (fs/file_table.c:617)
[  389.069175][ T9654]  ? alloc_file_clone (fs/file_table.c:479)
[  389.069180][ T9654]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  389.069183][ T9654]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  389.069187][ T9654]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  389.069190][ T9654]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  389.069192][ T9654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  389.069195][ T9654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  389.069198][ T9654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  389.069200][ T9654] RIP: 0033:0x7fc2fe69a312
[  389.069204][ T9654] 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)
[  389.069206][ T9654] RSP: 002b:00007fff8abbc7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  389.069209][ T9654] RAX: ffffffffffffffda RBX: 00007fff8abbc928 RCX: 00007fc2fe69a312
[  389.069211][ T9654] RDX: 0000000000000044 RSI: 00007fc2fa26b230 RDI: 0000000000000020
[  389.069212][ T9654] RBP: 00007fff8abbc820 R08: 00007fff8abbc9a0 R09: 000000000000000c
[  389.069213][ T9654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc2fc4fe0b0
[  389.069214][ T9654] R13: 00007fff8abbc928 R14: 00007fc2fdfb901a R15: 00007fff8abbcd18
| [  390.533848][ T9686] softirqs last disabled at (391637): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  390.533850][ T9686] Preemption disabled at:
| [  390.533851][ T9686] vprintk_emit (kernel/printk/printk.c:2471)
| [  390.533860][ T9686] Tainted: [W]=WARN
[  390.533862][ T9686] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.533864][ T9686] Call Trace:
[  390.533866][ T9686]  <TASK>
[  390.533869][ T9686]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  390.533877][ T9686]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  390.533880][ T9686]  __might_resched.cold (kernel/sched/core.c:9234)
[  390.533885][ T9686]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.533890][ T9686]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  390.533895][ T9686]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  390.533897][ T9686]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.533905][ T9686]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  390.533908][ T9686]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.533912][ T9686]  put_chars (drivers/char/virtio_console.c:1176)
[  390.533915][ T9686]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  390.533919][ T9686]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.533923][ T9686]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  390.533928][ T9686]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  390.533932][ T9686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.533934][ T9686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.533940][ T9686]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  390.533945][ T9686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.533947][ T9686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.533952][ T9686]  console_emit_next_record (kernel/printk/printk.c:3183)
[  390.533957][ T9686]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  390.533959][ T9686]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  390.533963][ T9686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.533965][ T9686]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.533971][ T9686]  console_flush_one_record (kernel/printk/printk.c:3268)
[  390.533976][ T9686]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  390.533978][ T9686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.533985][ T9686]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  390.533988][ T9686]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  390.533990][ T9686]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.533993][ T9686]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  390.534003][ T9686]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  390.534005][ T9686]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  390.534009][ T9686]  vprintk_emit (kernel/printk/printk.c:2479)
[  390.534012][ T9686]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  390.534019][ T9686]  _printk (kernel/printk/printk.c:2504)
[  390.534023][ T9686]  ? snapshot_read.cold (user.c:?)
[  390.534027][ T9686]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  390.534030][ T9686]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  390.534035][ T9686]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  390.534037][ T9686]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  390.534041][ T9686]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  390.534046][ T9686]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  390.534049][ T9686]  ? netdev_notice (net/core/dev.c:13194)
[  390.534051][ T9686]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  390.534063][ T9686]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  390.534066][ T9686]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  390.534070][ T9686]  netif_set_promiscuity (net/core/dev.c:9699)
[  390.534075][ T9686]  dev_set_promiscuity (net/core/dev_api.c:288)
[  390.534077][ T9686]  ? dev_disable_lro (net/core/dev_api.c:267)
[  390.534080][ T9686] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  390.534086][ T9686] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  390.534092][ T9686] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  390.534096][ T9686]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  390.534102][ T9686] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  390.534109][ T9686]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  390.534112][ T9686]  ? __nla_validate_parse (lib/nlattr.c:635)
[  390.534119][ T9686]  ? __nla_parse (lib/nlattr.c:732)
[  390.534122][ T9686]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  390.534129][ T9686]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  390.534133][ T9686]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  390.534143][ T9686]  ? security_capable (security/security.c:660 (discriminator 11))
[  390.534148][ T9686]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  390.534153][ T9686]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  390.534156][ T9686]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.534158][ T9686]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  390.534163][ T9686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.534170][ T9686]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  390.534174][ T9686]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  390.534176][ T9686]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  390.534181][ T9686]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  390.534189][ T9686]  ? 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))
[  390.534192][ T9686]  ? 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))
[  390.534197][ T9686]  genl_rcv (net/netlink/genetlink.c:1218)
[  390.534199][ T9686]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  390.534204][ T9686]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  390.534209][ T9686]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.534213][ T9686]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  390.534218][ T9686]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  390.534220][ T9686]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  390.534224][ T9686]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.534230][ T9686]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  390.534234][ T9686]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  390.534238][ T9686]  __sys_sendto (net/socket.c:2281)
[  390.534242][ T9686]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  390.534256][ T9686]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  390.534263][ T9686]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  390.534266][ T9686]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.534270][ T9686]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  390.534272][ T9686]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  390.534275][ T9686]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  390.534277][ T9686]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  390.534280][ T9686]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  390.534283][ T9686] RIP: 0033:0x7f35a3727312
[  390.534286][ T9686] 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)
[  390.534289][ T9686] RSP: 002b:00007ffdfaf6abb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  390.534292][ T9686] RAX: ffffffffffffffda RBX: 00007ffdfaf6ace8 RCX: 00007f35a3727312
[  390.534293][ T9686] RDX: 0000000000000038 RSI: 00007f35a01a2530 RDI: 0000000000000023
[  390.534294][ T9686] RBP: 00007ffdfaf6abe0 R08: 00007ffdfaf6ad60 R09: 000000000000000c
[  390.534295][ T9686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f35a158e190
[  390.534296][ T9686] R13: 00007ffdfaf6ace8 R14: 00007f35a304601a R15: 00007ffdfaf6b0d8
| [  391.719346][ T9713] softirqs last disabled at (397754): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  391.719349][ T9713] Preemption disabled at:
| [  391.719349][ T9713] vprintk_emit (kernel/printk/printk.c:2471)
| [  391.719359][ T9713] Tainted: [W]=WARN
[  391.719360][ T9713] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  391.719362][ T9713] Call Trace:
[  391.719363][ T9713]  <TASK>
[  391.719365][ T9713]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  391.719372][ T9713]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  391.719374][ T9713]  __might_resched.cold (kernel/sched/core.c:9234)
[  391.719379][ T9713]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  391.719384][ T9713]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  391.719389][ T9713]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  391.719392][ T9713]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  391.719400][ T9713]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  391.719403][ T9713]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  391.719407][ T9713]  put_chars (drivers/char/virtio_console.c:1176)
[  391.719410][ T9713]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  391.719415][ T9713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  391.719418][ T9713]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  391.719424][ T9713]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  391.719429][ T9713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.719431][ T9713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.719437][ T9713]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  391.719442][ T9713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.719445][ T9713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.719450][ T9713]  console_emit_next_record (kernel/printk/printk.c:3183)
[  391.719455][ T9713]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  391.719457][ T9713]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  391.719461][ T9713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.719463][ T9713]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.719468][ T9713]  console_flush_one_record (kernel/printk/printk.c:3268)
[  391.719473][ T9713]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  391.719475][ T9713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.719482][ T9713]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  391.719486][ T9713]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  391.719488][ T9713]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.719490][ T9713]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  391.719494][ T9713]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  391.719496][ T9713]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  391.719500][ T9713]  vprintk_emit (kernel/printk/printk.c:2479)
[  391.719504][ T9713]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  391.719510][ T9713]  _printk (kernel/printk/printk.c:2504)
[  391.719514][ T9713]  ? snapshot_read.cold (user.c:?)
[  391.719517][ T9713]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  391.719521][ T9713]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  391.719524][ T9713]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  391.719527][ T9713]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  391.719529][ T9713]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  391.719533][ T9713]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  391.719538][ T9713]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  391.719541][ T9713]  ? netdev_notice (net/core/dev.c:13194)
[  391.719543][ T9713]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  391.719554][ T9713]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  391.719557][ T9713]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  391.719561][ T9713]  netif_set_promiscuity (net/core/dev.c:9699)
[  391.719565][ T9713]  dev_set_promiscuity (net/core/dev_api.c:288)
[  391.719568][ T9713]  ? dev_disable_lro (net/core/dev_api.c:267)
[  391.719570][ T9713] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  391.719577][ T9713] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  391.719582][ T9713] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  391.719587][ T9713]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  391.719592][ T9713] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  391.719599][ T9713]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  391.719603][ T9713]  ? __nla_validate_parse (lib/nlattr.c:635)
[  391.719610][ T9713]  ? __nla_parse (lib/nlattr.c:732)
[  391.719613][ T9713]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  391.719619][ T9713]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  391.719623][ T9713]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  391.719634][ T9713]  ? security_capable (security/security.c:660 (discriminator 11))
[  391.719639][ T9713]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  391.719643][ T9713]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  391.719646][ T9713]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  391.719649][ T9713]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  391.719654][ T9713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.719660][ T9713]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  391.719665][ T9713]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  391.719667][ T9713]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  391.719671][ T9713]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  391.719680][ T9713]  ? 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))
[  391.719682][ T9713]  ? 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))
[  391.719687][ T9713]  genl_rcv (net/netlink/genetlink.c:1218)
[  391.719690][ T9713]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  391.719698][ T9713]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  391.719703][ T9713]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.719707][ T9713]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  391.719713][ T9713]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  391.719715][ T9713]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  391.719718][ T9713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  391.719725][ T9713]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  391.719728][ T9713]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  391.719732][ T9713]  __sys_sendto (net/socket.c:2281)
[  391.719736][ T9713]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  391.719743][ T9713]  ? do_futex (kernel/futex/syscalls.c:138)
[  391.719747][ T9713]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  391.719756][ T9713]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  391.719757][ T9713]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  391.719762][ T9713]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  391.719765][ T9713]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  391.719769][ T9713]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  391.719772][ T9713]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  391.719775][ T9713]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  391.719777][ T9713]  ? irq_exit_rcu (kernel/softirq.c:786)
[  391.719782][ T9713]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  391.719785][ T9713] RIP: 0033:0x7f1593ce3312
[  391.719788][ T9713] 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)
[  391.719791][ T9713] RSP: 002b:00007ffde6ba3248 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  391.719794][ T9713] RAX: ffffffffffffffda RBX: 00007ffde6ba3378 RCX: 00007f1593ce3312
[  391.719795][ T9713] RDX: 0000000000000034 RSI: 00007f158175a8f0 RDI: 0000000000000023
[  391.719796][ T9713] RBP: 00007ffde6ba3270 R08: 00007ffde6ba33f0 R09: 000000000000000c
[  391.719797][ T9713] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1591b46190
[  391.719798][ T9713] R13: 00007ffde6ba3378 R14: 00007f159360201a R15: 00007ffde6ba3768
| [  401.376887][   T70] softirqs last disabled at (9253774): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  401.376889][   T70] Preemption disabled at:
| [  401.376890][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  401.376899][   T70] Tainted: [W]=WARN
[  401.376901][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  401.376902][   T70] Workqueue: netns cleanup_net
[  401.376906][   T70] Call Trace:
[  401.376908][   T70]  <TASK>
[  401.376910][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  401.376916][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  401.376918][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  401.376923][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  401.376927][   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)
[  401.376932][   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))
[  401.376935][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  401.376942][   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)
[  401.376945][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  401.376950][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  401.376952][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  401.376954][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  401.376958][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  401.376961][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  401.376965][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  401.376969][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  401.376974][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  401.376977][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  401.376979][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  401.376983][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  401.376987][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  401.376990][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.376993][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  401.376998][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  401.377002][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  401.377004][   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))
[  401.377008][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.377010][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  401.377015][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  401.377020][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  401.377022][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  401.377029][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  401.377032][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  401.377034][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.377036][   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)
[  401.377041][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  401.377043][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  401.377046][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  401.377050][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  401.377053][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  401.377062][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  401.377072][   T70]  _printk (kernel/printk/printk.c:2504)
[  401.377076][   T70]  ? snapshot_read.cold (user.c:?)
[  401.377081][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  401.377086][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  401.377090][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  401.377093][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  401.377095][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  401.377100][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  401.377106][   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)
[  401.377109][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  401.377114][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  401.377118][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  401.377120][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  401.377123][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  401.377130][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  401.377135][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.377138][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  401.377145][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  401.377151][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  401.377160][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  401.377164][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  401.377167][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  401.377170][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  401.377175][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  401.377180][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  401.377184][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  401.377185][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  401.377189][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  401.377195][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  401.377198][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  401.377203][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  401.377205][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  401.377209][   T70]  process_one_work (kernel/workqueue.c:3387)
[  401.377217][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  401.377221][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  401.377230][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  401.377235][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  401.377237][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  401.377240][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  401.377244][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  401.377246][   T70]  kthread (kernel/kthread.c:436)
[  401.377248][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  401.377252][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  401.377256][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  401.377260][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  401.377264][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  401.377268][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  401.377271][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  402.472886][ T9913] softirqs last disabled at (393084): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  402.472889][ T9913] Preemption disabled at:
| [  402.472889][ T9913] vprintk_emit (kernel/printk/printk.c:2471)
| [  402.472898][ T9913] Tainted: [W]=WARN
[  402.472899][ T9913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  402.472901][ T9913] Call Trace:
[  402.472903][ T9913]  <TASK>
[  402.472905][ T9913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  402.472912][ T9913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  402.472913][ T9913]  __might_resched.cold (kernel/sched/core.c:9234)
[  402.472919][ T9913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  402.472924][ T9913]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  402.472929][ T9913]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  402.472931][ T9913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  402.472939][ T9913]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  402.472942][ T9913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  402.472947][ T9913]  put_chars (drivers/char/virtio_console.c:1176)
[  402.472950][ T9913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  402.472951][ T9913]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  402.472956][ T9913]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  402.472962][ T9913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  402.472972][ T9913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  402.472975][ T9913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.472977][ T9913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.472983][ T9913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  402.472987][ T9913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  402.472990][ T9913]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  402.472993][ T9913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.472995][ T9913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  402.473001][ T9913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  402.473006][ T9913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  402.473008][ T9913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.473015][ T9913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  402.473018][ T9913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  402.473020][ T9913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  402.473022][ T9913]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  402.473027][ T9913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  402.473029][ T9913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  402.473033][ T9913]  vprintk_emit (kernel/printk/printk.c:2479)
[  402.473037][ T9913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  402.473040][ T9913]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  402.473043][ T9913]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  402.473052][ T9913]  _printk (kernel/printk/printk.c:2504)
[  402.473056][ T9913]  ? snapshot_read.cold (user.c:?)
[  402.473068][ T9913]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  402.473072][ T9913]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  402.473077][ T9913]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  402.473080][ T9913]  ? netdev_notice (net/core/dev.c:13194)
[  402.473082][ T9913]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  402.473088][ T9913]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  402.473094][ T9913]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  402.473097][ T9913]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  402.473101][ T9913]  netif_set_promiscuity (net/core/dev.c:9699)
[  402.473106][ T9913]  dev_set_promiscuity (net/core/dev_api.c:288)
[  402.473108][ T9913]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  402.473112][ T9913] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  402.473116][ T9913]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  402.473120][ T9913] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  402.473126][ T9913] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  402.473135][ T9913]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  402.473139][ T9913]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  402.473150][ T9913]  ? security_capable (security/security.c:660 (discriminator 11))
[  402.473155][ T9913]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  402.473160][ T9913]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  402.473162][ T9913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  402.473166][ T9913]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  402.473171][ T9913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.473178][ T9913]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  402.473182][ T9913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  402.473184][ T9913]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  402.473189][ T9913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  402.473198][ T9913]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  402.473200][ T9913]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  402.473205][ T9913]  genl_rcv (net/netlink/genetlink.c:1218)
[  402.473207][ T9913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  402.473212][ T9913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  402.473217][ T9913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  402.473221][ T9913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  402.473226][ T9913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  402.473228][ T9913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  402.473232][ T9913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  402.473238][ T9913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  402.473241][ T9913]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  402.473246][ T9913]  __sys_sendto (net/socket.c:2281)
[  402.473249][ T9913]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  402.473263][ T9913]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  402.473271][ T9913]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  402.473273][ T9913]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  402.473277][ T9913]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  402.473279][ T9913]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  402.473282][ T9913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  402.473284][ T9913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  402.473287][ T9913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  402.473290][ T9913] RIP: 0033:0x7fce8eed1312
[  402.473293][ T9913] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  402.473296][ T9913] RSP: 002b:00007fffb456c078 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  402.473298][ T9913] RAX: ffffffffffffffda RBX: 00007fffb456c1a8 RCX: 00007fce8eed1312
[  402.473300][ T9913] RDX: 0000000000000024 RSI: 00007fce8c328c60 RDI: 0000000000000023
[  402.473301][ T9913] RBP: 00007fffb456c0a0 R08: 00007fffb456c220 R09: 000000000000000c
[  402.473302][ T9913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fce8cd29fd0
[  402.473303][ T9913] R13: 00007fffb456c1a8 R14: 00007fce8e7f001a R15: 00007fffb456c598
| [  404.099431][ T9939] softirqs last disabled at (372290): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  404.099433][ T9939] Preemption disabled at:
| [  404.099434][ T9939] vprintk_emit (kernel/printk/printk.c:2471)
| [  404.099443][ T9939] Tainted: [W]=WARN
[  404.099444][ T9939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  404.099446][ T9939] Call Trace:
[  404.099448][ T9939]  <TASK>
[  404.099449][ T9939]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  404.099455][ T9939]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  404.099457][ T9939]  __might_resched.cold (kernel/sched/core.c:9234)
[  404.099463][ T9939]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  404.099467][ T9939]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  404.099473][ T9939]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  404.099475][ T9939]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  404.099482][ T9939]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  404.099485][ T9939]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  404.099490][ T9939]  put_chars (drivers/char/virtio_console.c:1176)
[  404.099493][ T9939]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  404.099494][ T9939]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  404.099498][ T9939]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  404.099505][ T9939]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  404.099514][ T9939]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  404.099517][ T9939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.099519][ T9939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.099525][ T9939]  console_emit_next_record (kernel/printk/printk.c:3183)
[  404.099529][ T9939]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  404.099531][ T9939]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  404.099535][ T9939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.099537][ T9939]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  404.099542][ T9939]  console_flush_one_record (kernel/printk/printk.c:3268)
[  404.099548][ T9939]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  404.099550][ T9939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.099557][ T9939]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  404.099560][ T9939]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  404.099562][ T9939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.099564][ T9939]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  404.099569][ T9939]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  404.099571][ T9939]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  404.099575][ T9939]  vprintk_emit (kernel/printk/printk.c:2479)
[  404.099579][ T9939]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  404.099581][ T9939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  404.099584][ T9939]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  404.099589][ T9939]  _printk (kernel/printk/printk.c:2504)
[  404.099593][ T9939]  ? snapshot_read.cold (user.c:?)
[  404.099599][ T9939]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  404.099600][ T9939]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  404.099604][ T9939]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  404.099609][ T9939]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  404.099612][ T9939]  ? netdev_notice (net/core/dev.c:13194)
[  404.099614][ T9939]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  404.099621][ T9939]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  404.099628][ T9939]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  404.099631][ T9939]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  404.099635][ T9939]  netif_set_promiscuity (net/core/dev.c:9699)
[  404.099640][ T9939]  dev_set_promiscuity (net/core/dev_api.c:288)
[  404.099644][ T9939] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  404.099650][ T9939] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  404.099658][ T9939] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  404.099664][ T9939]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  404.099668][ T9939]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  404.099679][ T9939]  ? security_capable (security/security.c:660 (discriminator 11))
[  404.099684][ T9939]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  404.099688][ T9939]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  404.099695][ T9939]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  404.099698][ T9939]  ? __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
[  404.099702][ T9939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.099709][ T9939]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  404.099713][ T9939]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  404.099716][ T9939]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  404.099720][ T9939]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  404.099729][ T9939]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  404.099731][ T9939]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  404.099736][ T9939]  genl_rcv (net/netlink/genetlink.c:1218)
[  404.099739][ T9939]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  404.099744][ T9939]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  404.099748][ T9939]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  404.099752][ T9939]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  404.099757][ T9939]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  404.099759][ T9939]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  404.099763][ T9939]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  404.099769][ T9939]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  404.099772][ T9939]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  404.099776][ T9939]  __sys_sendto (net/socket.c:2281)
[  404.099780][ T9939]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  404.099786][ T9939]  ? do_futex (kernel/futex/syscalls.c:133)
[  404.099790][ T9939]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  404.099798][ T9939]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  404.099803][ T9939]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  404.099806][ T9939]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  404.099810][ T9939]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  404.099812][ T9939]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  404.099815][ T9939]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  404.099817][ T9939]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  404.099820][ T9939]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  404.099823][ T9939] RIP: 0033:0x7f47db887312
[  404.099827][ T9939] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  404.099829][ T9939] RSP: 002b:00007ffd739ba878 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  404.099832][ T9939] RAX: ffffffffffffffda RBX: 00007ffd739ba9a8 RCX: 00007f47db887312
[  404.099833][ T9939] RDX: 0000000000000024 RSI: 00007f47d84095c0 RDI: 0000000000000020
[  404.099834][ T9939] RBP: 00007ffd739ba8a0 R08: 00007ffd739baa20 R09: 000000000000000c
[  404.099835][ T9939] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f47d96e9e10
[  404.099836][ T9939] R13: 00007ffd739ba9a8 R14: 00007f47db1a601a R15: 00007ffd739bad98
| [  408.011244][T10046] softirqs last disabled at (395734): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  408.011246][T10046] Preemption disabled at:
| [  408.011247][T10046] vprintk_emit (kernel/printk/printk.c:2471)
| [  408.011256][T10046] Tainted: [W]=WARN
[  408.011258][T10046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  408.011259][T10046] Call Trace:
[  408.011261][T10046]  <TASK>
[  408.011263][T10046]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  408.011269][T10046]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  408.011271][T10046]  __might_resched.cold (kernel/sched/core.c:9234)
[  408.011276][T10046]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  408.011280][T10046]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  408.011286][T10046]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  408.011288][T10046]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  408.011295][T10046]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  408.011298][T10046]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  408.011303][T10046]  put_chars (drivers/char/virtio_console.c:1176)
[  408.011306][T10046]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  408.011309][T10046]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  408.011313][T10046]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  408.011316][T10046]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  408.011321][T10046]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  408.011325][T10046]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  408.011328][T10046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  408.011329][T10046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  408.011335][T10046]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  408.011337][T10046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  408.011343][T10046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.011348][T10046]  console_emit_next_record (kernel/printk/printk.c:3183)
[  408.011352][T10046]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  408.011354][T10046]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  408.011358][T10046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.011361][T10046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.011366][T10046]  console_flush_one_record (kernel/printk/printk.c:3268)
[  408.011371][T10046]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  408.011373][T10046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  408.011380][T10046]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  408.011383][T10046]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  408.011385][T10046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.011387][T10046]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  408.011392][T10046]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  408.011394][T10046]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  408.011397][T10046]  vprintk_emit (kernel/printk/printk.c:2479)
[  408.011401][T10046]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  408.011403][T10046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  408.011405][T10046]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  408.011411][T10046]  _printk (kernel/printk/printk.c:2504)
[  408.011415][T10046]  ? snapshot_read.cold (user.c:?)
[  408.011417][T10046]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  408.011424][T10046]  ? idr_get_free (??:?)
[  408.011430][T10046]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  408.011440][T10046]  ? nla_get_range_signed (lib/nlattr.c:270)
[  408.011447][T10046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.011449][T10046]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  408.011454][T10046]  __nla_validate_parse (lib/nlattr.c:635)
[  408.011459][T10046]  __nla_parse (lib/nlattr.c:732)
[  408.011463][T10046]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  408.011469][T10046]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  408.011475][T10046]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  408.011489][T10046]  ? security_capable (security/security.c:660 (discriminator 11))
[  408.011495][T10046]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  408.011499][T10046]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  408.011502][T10046]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  408.011505][T10046]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  408.011514][T10046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  408.011521][T10046]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  408.011525][T10046]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  408.011527][T10046]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  408.011531][T10046]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  408.011540][T10046]  ? 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))
[  408.011542][T10046]  ? 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))
[  408.011547][T10046]  genl_rcv (net/netlink/genetlink.c:1218)
[  408.011549][T10046]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  408.011554][T10046]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  408.011558][T10046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  408.011562][T10046]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  408.011567][T10046]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  408.011569][T10046]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  408.011573][T10046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  408.011579][T10046]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  408.011582][T10046]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  408.011586][T10046]  __sys_sendto (net/socket.c:2281)
[  408.011590][T10046]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  408.011603][T10046]  ? fput_close_sync (fs/file_table.c:617)
[  408.011607][T10046]  ? alloc_file_clone (fs/file_table.c:479)
[  408.011612][T10046]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  408.011614][T10046]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  408.011618][T10046]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  408.011621][T10046]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  408.011623][T10046]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  408.011626][T10046]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  408.011629][T10046]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  408.011631][T10046] RIP: 0033:0x7ff9e3dbe312
[  408.011635][T10046] 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)
[  408.011637][T10046] RSP: 002b:00007ffe0ac67a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  408.011640][T10046] RAX: ffffffffffffffda RBX: 00007ffe0ac67b78 RCX: 00007ff9e3dbe312
[  408.011641][T10046] RDX: 0000000000000044 RSI: 00007ff9e018f460 RDI: 0000000000000020
[  408.011643][T10046] RBP: 00007ffe0ac67a70 R08: 00007ffe0ac67bf0 R09: 000000000000000c
[  408.011644][T10046] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9e1c220b0
[  408.011645][T10046] R13: 00007ffe0ac67b78 R14: 00007ff9e36dd01a R15: 00007ffe0ac67f68
| [  409.333543][T10078] softirqs last disabled at (380172): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  409.333545][T10078] Preemption disabled at:
| [  409.333546][T10078] vprintk_emit (kernel/printk/printk.c:2471)
| [  409.333555][T10078] Tainted: [W]=WARN
[  409.333556][T10078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  409.333558][T10078] Call Trace:
[  409.333560][T10078]  <TASK>
[  409.333561][T10078]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  409.333568][T10078]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  409.333570][T10078]  __might_resched.cold (kernel/sched/core.c:9234)
[  409.333575][T10078]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  409.333580][T10078]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  409.333585][T10078]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  409.333587][T10078]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  409.333595][T10078]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  409.333598][T10078]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  409.333603][T10078]  put_chars (drivers/char/virtio_console.c:1176)
[  409.333605][T10078]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  409.333609][T10078]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  409.333613][T10078]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  409.333618][T10078]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  409.333623][T10078]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  409.333625][T10078]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  409.333631][T10078]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  409.333635][T10078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  409.333638][T10078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  409.333643][T10078]  console_emit_next_record (kernel/printk/printk.c:3183)
[  409.333648][T10078]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  409.333650][T10078]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  409.333654][T10078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  409.333656][T10078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  409.333661][T10078]  console_flush_one_record (kernel/printk/printk.c:3268)
[  409.333666][T10078]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  409.333668][T10078]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  409.333675][T10078]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  409.333679][T10078]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  409.333681][T10078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  409.333683][T10078]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  409.333687][T10078]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  409.333689][T10078]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  409.333697][T10078]  vprintk_emit (kernel/printk/printk.c:2479)
[  409.333701][T10078]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  409.333707][T10078]  _printk (kernel/printk/printk.c:2504)
[  409.333711][T10078]  ? snapshot_read.cold (user.c:?)
[  409.333715][T10078]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  409.333718][T10078]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  409.333723][T10078]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  409.333725][T10078]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  409.333729][T10078]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  409.333734][T10078]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  409.333737][T10078]  ? netdev_notice (net/core/dev.c:13194)
[  409.333739][T10078]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  409.333750][T10078]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  409.333753][T10078]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  409.333757][T10078]  netif_set_promiscuity (net/core/dev.c:9699)
[  409.333762][T10078]  dev_set_promiscuity (net/core/dev_api.c:288)
[  409.333764][T10078]  ? dev_disable_lro (net/core/dev_api.c:267)
[  409.333767][T10078] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  409.333773][T10078] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  409.333779][T10078] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  409.333784][T10078]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  409.333789][T10078] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  409.333796][T10078]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  409.333800][T10078]  ? __nla_validate_parse (lib/nlattr.c:635)
[  409.333807][T10078]  ? __nla_parse (lib/nlattr.c:732)
[  409.333810][T10078]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  409.333816][T10078]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  409.333821][T10078]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  409.333831][T10078]  ? security_capable (security/security.c:660 (discriminator 11))
[  409.333836][T10078]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  409.333841][T10078]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  409.333844][T10078]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  409.333846][T10078]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  409.333851][T10078]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  409.333858][T10078]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  409.333862][T10078]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  409.333864][T10078]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  409.333869][T10078]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  409.333878][T10078]  ? 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))
[  409.333880][T10078]  ? 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))
[  409.333885][T10078]  genl_rcv (net/netlink/genetlink.c:1218)
[  409.333888][T10078]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  409.333892][T10078]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  409.333897][T10078]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  409.333901][T10078]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  409.333906][T10078]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  409.333908][T10078]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  409.333912][T10078]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  409.333918][T10078]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  409.333921][T10078]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  409.333926][T10078]  __sys_sendto (net/socket.c:2281)
[  409.333929][T10078]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  409.333943][T10078]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  409.333951][T10078]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  409.333954][T10078]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  409.333958][T10078]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  409.333960][T10078]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  409.333963][T10078]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  409.333965][T10078]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  409.333968][T10078]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  409.333970][T10078] RIP: 0033:0x7f2ce9267312
[  409.333974][T10078] 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)
[  409.333976][T10078] RSP: 002b:00007ffef99b5f08 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  409.333979][T10078] RAX: ffffffffffffffda RBX: 00007ffef99b6038 RCX: 00007f2ce9267312
[  409.333981][T10078] RDX: 0000000000000038 RSI: 00007f2ce4e8d230 RDI: 0000000000000023
[  409.333982][T10078] RBP: 00007ffef99b5f30 R08: 00007ffef99b60b0 R09: 000000000000000c
[  409.333983][T10078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ce70ce190
[  409.333984][T10078] R13: 00007ffef99b6038 R14: 00007f2ce8b8601a R15: 00007ffef99b6428
| [  410.496663][T10105] softirqs last disabled at (384488): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  410.496665][T10105] Preemption disabled at:
| [  410.496666][T10105] vprintk_emit (kernel/printk/printk.c:2471)
| [  410.496676][T10105] Tainted: [W]=WARN
[  410.496677][T10105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  410.496678][T10105] Call Trace:
[  410.496680][T10105]  <TASK>
[  410.496682][T10105]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  410.496689][T10105]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  410.496691][T10105]  __might_resched.cold (kernel/sched/core.c:9234)
[  410.496698][T10105]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  410.496703][T10105]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  410.496708][T10105]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  410.496711][T10105]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  410.496719][T10105]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  410.496722][T10105]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  410.496726][T10105]  put_chars (drivers/char/virtio_console.c:1176)
[  410.496730][T10105]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  410.496734][T10105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  410.496737][T10105]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  410.496743][T10105]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  410.496748][T10105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  410.496750][T10105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  410.496756][T10105]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  410.496760][T10105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.496763][T10105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.496768][T10105]  console_emit_next_record (kernel/printk/printk.c:3183)
[  410.496773][T10105]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  410.496775][T10105]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  410.496779][T10105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.496781][T10105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  410.496786][T10105]  console_flush_one_record (kernel/printk/printk.c:3268)
[  410.496792][T10105]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  410.496794][T10105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  410.496801][T10105]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  410.496804][T10105]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  410.496806][T10105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  410.496809][T10105]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  410.496813][T10105]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  410.496816][T10105]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  410.496819][T10105]  vprintk_emit (kernel/printk/printk.c:2479)
[  410.496823][T10105]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  410.496830][T10105]  _printk (kernel/printk/printk.c:2504)
[  410.496834][T10105]  ? snapshot_read.cold (user.c:?)
[  410.496837][T10105]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  410.496840][T10105]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  410.496844][T10105]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  410.496846][T10105]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  410.496848][T10105]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  410.496853][T10105]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  410.496857][T10105]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  410.496861][T10105]  ? netdev_notice (net/core/dev.c:13194)
[  410.496863][T10105]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  410.496875][T10105]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  410.496878][T10105]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  410.496882][T10105]  netif_set_promiscuity (net/core/dev.c:9699)
[  410.496887][T10105]  dev_set_promiscuity (net/core/dev_api.c:288)
[  410.496889][T10105]  ? dev_disable_lro (net/core/dev_api.c:267)
[  410.496892][T10105] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  410.496898][T10105] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  410.496904][T10105] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  410.496909][T10105]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  410.496914][T10105] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  410.496921][T10105]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  410.496925][T10105]  ? __nla_validate_parse (lib/nlattr.c:635)
[  410.496933][T10105]  ? __nla_parse (lib/nlattr.c:732)
[  410.496936][T10105]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  410.496942][T10105]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  410.496946][T10105]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  410.496957][T10105]  ? security_capable (security/security.c:660 (discriminator 11))
[  410.496962][T10105]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  410.496967][T10105]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  410.496970][T10105]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  410.496972][T10105]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  410.496977][T10105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  410.496984][T10105]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  410.496988][T10105]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  410.496991][T10105]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  410.496995][T10105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  410.497004][T10105]  ? 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))
[  410.497006][T10105]  ? 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))
[  410.497011][T10105]  genl_rcv (net/netlink/genetlink.c:1218)
[  410.497014][T10105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  410.497019][T10105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  410.497024][T10105]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  410.497028][T10105]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  410.497033][T10105]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  410.497035][T10105]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  410.497039][T10105]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  410.497045][T10105]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  410.497048][T10105]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  410.497053][T10105]  __sys_sendto (net/socket.c:2281)
[  410.497057][T10105]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  410.497063][T10105]  ? do_futex (kernel/futex/syscalls.c:138)
[  410.497067][T10105]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  410.497075][T10105]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  410.497079][T10105]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  410.497084][T10105]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  410.497087][T10105]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  410.497091][T10105]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  410.497092][T10105]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  410.497095][T10105]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  410.497098][T10105]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  410.497101][T10105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  410.497103][T10105] RIP: 0033:0x7ff10bf9d312
[  410.497113][T10105] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  410.497115][T10105] RSP: 002b:00007ffc8f4b9998 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  410.497118][T10105] RAX: ffffffffffffffda RBX: 00007ffc8f4b9ac8 RCX: 00007ff10bf9d312
[  410.497120][T10105] RDX: 0000000000000034 RSI: 00007ff108268170 RDI: 0000000000000023
[  410.497121][T10105] RBP: 00007ffc8f4b99c0 R08: 00007ffc8f4b9b40 R09: 000000000000000c
[  410.497122][T10105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff109df6190
[  410.497123][T10105] R13: 00007ffc8f4b9ac8 R14: 00007ff10b8bc01a R15: 00007ffc8f4b9eb8
| [  419.817002][   T70] softirqs last disabled at (9461800): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  419.817005][   T70] Preemption disabled at:
| [  419.817006][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  419.817014][   T70] Tainted: [W]=WARN
[  419.817015][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  419.817018][   T70] Workqueue: netns cleanup_net
[  419.817021][   T70] Call Trace:
[  419.817023][   T70]  <TASK>
[  419.817025][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  419.817031][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  419.817033][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  419.817038][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  419.817043][   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)
[  419.817048][   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))
[  419.817051][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  419.817058][   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)
[  419.817061][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  419.817066][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  419.817068][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  419.817071][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  419.817074][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  419.817078][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  419.817081][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  419.817086][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  419.817091][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  419.817094][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  419.817096][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  419.817101][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  419.817104][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  419.817108][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  419.817111][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  419.817116][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  419.817121][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  419.817123][   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))
[  419.817127][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  419.817129][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  419.817135][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  419.817140][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  419.817142][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  419.817149][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  419.817153][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  419.817155][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  419.817164][   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)
[  419.817169][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  419.817171][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  419.817174][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  419.817178][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  419.817182][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  419.817184][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  419.817194][   T70]  _printk (kernel/printk/printk.c:2504)
[  419.817198][   T70]  ? snapshot_read.cold (user.c:?)
[  419.817203][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  419.817208][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  419.817213][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  419.817216][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  419.817218][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  419.817223][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  419.817230][   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)
[  419.817233][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  419.817238][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  419.817242][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  419.817244][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  419.817248][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  419.817255][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  419.817260][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  419.817263][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  419.817270][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  419.817277][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  419.817287][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  419.817291][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  419.817294][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  419.817297][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  419.817303][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  419.817307][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  419.817312][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  419.817314][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  419.817317][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  419.817323][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  419.817327][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  419.817332][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  419.817335][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  419.817339][   T70]  process_one_work (kernel/workqueue.c:3387)
[  419.817347][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  419.817351][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  419.817361][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  419.817367][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  419.817369][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  419.817372][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  419.817376][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  419.817378][   T70]  kthread (kernel/kthread.c:436)
[  419.817381][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  419.817385][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  419.817388][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  419.817393][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  419.817397][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  419.817401][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  419.817405][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  420.916347][T10306] softirqs last disabled at (388024): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  420.916350][T10306] Preemption disabled at:
| [  420.916350][T10306] vprintk_emit (kernel/printk/printk.c:2471)
| [  420.916360][T10306] Tainted: [W]=WARN
[  420.916361][T10306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  420.916363][T10306] Call Trace:
[  420.916364][T10306]  <TASK>
[  420.916366][T10306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  420.916372][T10306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  420.916374][T10306]  __might_resched.cold (kernel/sched/core.c:9234)
[  420.916379][T10306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  420.916384][T10306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  420.916389][T10306]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  420.916392][T10306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.916399][T10306]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  420.916402][T10306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  420.916407][T10306]  put_chars (drivers/char/virtio_console.c:1176)
[  420.916410][T10306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  420.916411][T10306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  420.916415][T10306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  420.916422][T10306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  420.916431][T10306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  420.916435][T10306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.916437][T10306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.916442][T10306]  console_emit_next_record (kernel/printk/printk.c:3183)
[  420.916447][T10306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  420.916449][T10306]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  420.916453][T10306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.916455][T10306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  420.916460][T10306]  console_flush_one_record (kernel/printk/printk.c:3268)
[  420.916465][T10306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  420.916468][T10306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.916474][T10306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  420.916478][T10306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  420.916480][T10306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  420.916482][T10306]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  420.916487][T10306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  420.916489][T10306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  420.916492][T10306]  vprintk_emit (kernel/printk/printk.c:2479)
[  420.916496][T10306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  420.916500][T10306]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  420.916503][T10306]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  420.916511][T10306]  _printk (kernel/printk/printk.c:2504)
[  420.916515][T10306]  ? snapshot_read.cold (user.c:?)
[  420.916521][T10306]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  420.916525][T10306]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  420.916530][T10306]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  420.916533][T10306]  ? netdev_notice (net/core/dev.c:13194)
[  420.916535][T10306]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  420.916540][T10306]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  420.916547][T10306]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  420.916550][T10306]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  420.916554][T10306]  netif_set_promiscuity (net/core/dev.c:9699)
[  420.916558][T10306]  dev_set_promiscuity (net/core/dev_api.c:288)
[  420.916561][T10306]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  420.916565][T10306] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  420.916569][T10306]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  420.916573][T10306] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  420.916579][T10306] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  420.916588][T10306]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  420.916592][T10306]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  420.916603][T10306]  ? security_capable (security/security.c:660 (discriminator 11))
[  420.916608][T10306]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  420.916613][T10306]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  420.916616][T10306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  420.916619][T10306]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  420.916624][T10306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.916631][T10306]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  420.916635][T10306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  420.916637][T10306]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  420.916641][T10306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  420.916650][T10306]  ? 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))
[  420.916653][T10306]  ? 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))
[  420.916658][T10306]  genl_rcv (net/netlink/genetlink.c:1218)
[  420.916660][T10306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  420.916665][T10306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  420.916670][T10306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  420.916674][T10306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  420.916679][T10306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  420.916681][T10306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  420.916685][T10306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  420.916695][T10306]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  420.916698][T10306]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  420.916703][T10306]  __sys_sendto (net/socket.c:2281)
[  420.916706][T10306]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  420.916720][T10306]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  420.916728][T10306]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  420.916730][T10306]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  420.916735][T10306]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  420.916736][T10306]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  420.916739][T10306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  420.916742][T10306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  420.916745][T10306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  420.916747][T10306] RIP: 0033:0x7fe8c2126312
[  420.916751][T10306] 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)
[  420.916753][T10306] RSP: 002b:00007fffb1f21318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  420.916756][T10306] RAX: ffffffffffffffda RBX: 00007fffb1f21448 RCX: 00007fe8c2126312
[  420.916758][T10306] RDX: 0000000000000024 RSI: 00007fe8bdd84f90 RDI: 0000000000000023
[  420.916759][T10306] RBP: 00007fffb1f21340 R08: 00007fffb1f214c0 R09: 000000000000000c
[  420.916760][T10306] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe8bff89fd0
[  420.916761][T10306] R13: 00007fffb1f21448 R14: 00007fe8c1a4501a R15: 00007fffb1f21838
| [  422.659906][T10332] softirqs last disabled at (369427): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  422.659908][T10332] Preemption disabled at:
| [  422.659909][T10332] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.659918][T10332] Tainted: [W]=WARN
[  422.659919][T10332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.659921][T10332] Call Trace:
[  422.659923][T10332]  <TASK>
[  422.659925][T10332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.659931][T10332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.659933][T10332]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.659938][T10332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.659943][T10332]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  422.659948][T10332]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  422.659950][T10332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.659958][T10332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  422.659961][T10332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.659965][T10332]  put_chars (drivers/char/virtio_console.c:1176)
[  422.659968][T10332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.659970][T10332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.659974][T10332]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  422.659980][T10332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.659989][T10332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.659993][T10332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.659995][T10332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.660000][T10332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.660005][T10332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.660007][T10332]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  422.660011][T10332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.660013][T10332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.660018][T10332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.660023][T10332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.660025][T10332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.660032][T10332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.660035][T10332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.660037][T10332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.660039][T10332]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  422.660044][T10332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.660046][T10332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.660049][T10332]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.660053][T10332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.660055][T10332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.660058][T10332]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  422.660064][T10332]  _printk (kernel/printk/printk.c:2504)
[  422.660068][T10332]  ? snapshot_read.cold (user.c:?)
[  422.660073][T10332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.660074][T10332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  422.660078][T10332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  422.660083][T10332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  422.660086][T10332]  ? netdev_notice (net/core/dev.c:13194)
[  422.660088][T10332]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  422.660095][T10332]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  422.660102][T10332]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  422.660105][T10332]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  422.660109][T10332]  netif_set_promiscuity (net/core/dev.c:9699)
[  422.660115][T10332]  dev_set_promiscuity (net/core/dev_api.c:288)
[  422.660118][T10332] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  422.660124][T10332] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  422.660132][T10332] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  422.660139][T10332]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  422.660143][T10332]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  422.660153][T10332]  ? security_capable (security/security.c:660 (discriminator 11))
[  422.660158][T10332]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  422.660163][T10332]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  422.660166][T10332]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  422.660168][T10332]  ? __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
[  422.660180][T10332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.660187][T10332]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  422.660191][T10332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  422.660194][T10332]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  422.660198][T10332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  422.660207][T10332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  422.660209][T10332]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  422.660214][T10332]  genl_rcv (net/netlink/genetlink.c:1218)
[  422.660217][T10332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  422.660222][T10332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  422.660226][T10332]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  422.660231][T10332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  422.660236][T10332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  422.660238][T10332]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.660241][T10332]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  422.660247][T10332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  422.660251][T10332]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  422.660255][T10332]  __sys_sendto (net/socket.c:2281)
[  422.660258][T10332]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  422.660272][T10332]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  422.660279][T10332]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  422.660282][T10332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  422.660286][T10332]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  422.660287][T10332]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  422.660290][T10332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  422.660293][T10332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  422.660296][T10332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  422.660298][T10332] RIP: 0033:0x7f4f3cadb312
[  422.660302][T10332] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  422.660304][T10332] RSP: 002b:00007ffc1bcae6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  422.660307][T10332] RAX: ffffffffffffffda RBX: 00007ffc1bcae7f8 RCX: 00007f4f3cadb312
[  422.660308][T10332] RDX: 0000000000000024 RSI: 00007f4f3865d4a0 RDI: 0000000000000020
[  422.660309][T10332] RBP: 00007ffc1bcae6f0 R08: 00007ffc1bcae870 R09: 000000000000000c
[  422.660310][T10332] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f3a93de10
[  422.660311][T10332] R13: 00007ffc1bcae7f8 R14: 00007f4f3c3fa01a R15: 00007ffc1bcaebe8
| [  426.230904][T10427] softirqs last disabled at (398440): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  426.230907][T10427] Preemption disabled at:
| [  426.230908][T10427] vprintk_emit (kernel/printk/printk.c:2471)
| [  426.230917][T10427] Tainted: [W]=WARN
[  426.230918][T10427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  426.230920][T10427] Call Trace:
[  426.230922][T10427]  <TASK>
[  426.230924][T10427]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  426.230930][T10427]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  426.230932][T10427]  __might_resched.cold (kernel/sched/core.c:9234)
[  426.230937][T10427]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  426.230942][T10427]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  426.230947][T10427]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  426.230949][T10427]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  426.230957][T10427]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  426.230960][T10427]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  426.230965][T10427]  put_chars (drivers/char/virtio_console.c:1176)
[  426.230968][T10427]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  426.230971][T10427]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  426.230974][T10427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  426.230977][T10427]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  426.230982][T10427]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  426.230986][T10427]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  426.230989][T10427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  426.230991][T10427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  426.230996][T10427]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  426.230998][T10427]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  426.231003][T10427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  426.231008][T10427]  console_emit_next_record (kernel/printk/printk.c:3183)
[  426.231013][T10427]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  426.231015][T10427]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  426.231018][T10427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  426.231021][T10427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  426.231026][T10427]  console_flush_one_record (kernel/printk/printk.c:3268)
[  426.231031][T10427]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  426.231033][T10427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  426.231039][T10427]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  426.231043][T10427]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  426.231045][T10427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  426.231047][T10427]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  426.231051][T10427]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  426.231053][T10427]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  426.231057][T10427]  vprintk_emit (kernel/printk/printk.c:2479)
[  426.231060][T10427]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  426.231063][T10427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  426.231065][T10427]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  426.231071][T10427]  _printk (kernel/printk/printk.c:2504)
[  426.231075][T10427]  ? snapshot_read.cold (user.c:?)
[  426.231077][T10427]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  426.231083][T10427]  ? idr_get_free (??:?)
[  426.231089][T10427]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  426.231099][T10427]  ? nla_get_range_signed (lib/nlattr.c:270)
[  426.231106][T10427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  426.231108][T10427]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  426.231113][T10427]  __nla_validate_parse (lib/nlattr.c:635)
[  426.231119][T10427]  __nla_parse (lib/nlattr.c:732)
[  426.231122][T10427]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  426.231128][T10427]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  426.231132][T10427]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  426.231142][T10427]  ? security_capable (security/security.c:660 (discriminator 11))
[  426.231147][T10427]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  426.231152][T10427]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  426.231155][T10427]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  426.231158][T10427]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  426.231166][T10427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  426.231173][T10427]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  426.231177][T10427]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  426.231179][T10427]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  426.231184][T10427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  426.231200][T10427]  ? 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))
[  426.231203][T10427]  ? 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))
[  426.231208][T10427]  genl_rcv (net/netlink/genetlink.c:1218)
[  426.231211][T10427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  426.231216][T10427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  426.231220][T10427]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  426.231224][T10427]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  426.231229][T10427]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  426.231231][T10427]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  426.231235][T10427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  426.231240][T10427]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  426.231244][T10427]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  426.231248][T10427]  __sys_sendto (net/socket.c:2281)
[  426.231252][T10427]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  426.231259][T10427]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  426.231269][T10427]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  426.231273][T10427]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  426.231276][T10427]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  426.231280][T10427]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  426.231283][T10427]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  426.231286][T10427]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  426.231288][T10427]  ? irq_exit_rcu (kernel/softirq.c:786)
[  426.231292][T10427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  426.231295][T10427] RIP: 0033:0x7f68e0427312
[  426.231299][T10427] 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)
[  426.231301][T10427] RSP: 002b:00007ffe5019e018 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  426.231303][T10427] RAX: ffffffffffffffda RBX: 00007ffe5019e148 RCX: 00007f68e0427312
[  426.231305][T10427] RDX: 0000000000000044 RSI: 00007f68cff67050 RDI: 0000000000000020
[  426.231306][T10427] RBP: 00007ffe5019e040 R08: 00007ffe5019e1c0 R09: 000000000000000c
[  426.231307][T10427] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f68de28a0b0
[  426.231308][T10427] R13: 00007ffe5019e148 R14: 00007f68dfd4601a R15: 00007ffe5019e538
| [  427.552666][T10459] softirqs last disabled at (385910): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  427.552668][T10459] Preemption disabled at:
| [  427.552669][T10459] vprintk_emit (kernel/printk/printk.c:2471)
| [  427.552678][T10459] Tainted: [W]=WARN
[  427.552679][T10459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  427.552681][T10459] Call Trace:
[  427.552683][T10459]  <TASK>
[  427.552684][T10459]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  427.552695][T10459]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  427.552697][T10459]  __might_resched.cold (kernel/sched/core.c:9234)
[  427.552702][T10459]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  427.552707][T10459]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  427.552712][T10459]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  427.552714][T10459]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  427.552722][T10459]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  427.552725][T10459]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  427.552730][T10459]  put_chars (drivers/char/virtio_console.c:1176)
[  427.552733][T10459]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  427.552736][T10459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  427.552740][T10459]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  427.552746][T10459]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  427.552750][T10459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  427.552752][T10459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  427.552758][T10459]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  427.552762][T10459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.552765][T10459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.552770][T10459]  console_emit_next_record (kernel/printk/printk.c:3183)
[  427.552775][T10459]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  427.552777][T10459]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  427.552781][T10459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.552783][T10459]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.552788][T10459]  console_flush_one_record (kernel/printk/printk.c:3268)
[  427.552793][T10459]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  427.552795][T10459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  427.552802][T10459]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  427.552805][T10459]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  427.552807][T10459]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.552809][T10459]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  427.552814][T10459]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  427.552816][T10459]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  427.552820][T10459]  vprintk_emit (kernel/printk/printk.c:2479)
[  427.552823][T10459]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  427.552830][T10459]  _printk (kernel/printk/printk.c:2504)
[  427.552834][T10459]  ? snapshot_read.cold (user.c:?)
[  427.552837][T10459]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  427.552841][T10459]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  427.552845][T10459]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  427.552847][T10459]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  427.552852][T10459]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  427.552857][T10459]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  427.552861][T10459]  ? netdev_notice (net/core/dev.c:13194)
[  427.552864][T10459]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  427.552878][T10459]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  427.552881][T10459]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  427.552886][T10459]  netif_set_promiscuity (net/core/dev.c:9699)
[  427.552890][T10459]  dev_set_promiscuity (net/core/dev_api.c:288)
[  427.552892][T10459]  ? dev_disable_lro (net/core/dev_api.c:267)
[  427.552895][T10459] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  427.552901][T10459] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  427.552907][T10459] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  427.552912][T10459]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  427.552917][T10459] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  427.552924][T10459]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  427.552928][T10459]  ? __nla_validate_parse (lib/nlattr.c:635)
[  427.552935][T10459]  ? __nla_parse (lib/nlattr.c:732)
[  427.552938][T10459]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  427.552944][T10459]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  427.552949][T10459]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  427.552959][T10459]  ? security_capable (security/security.c:660 (discriminator 11))
[  427.552964][T10459]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  427.552969][T10459]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  427.552972][T10459]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  427.552974][T10459]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  427.552979][T10459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  427.552986][T10459]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  427.552990][T10459]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  427.552992][T10459]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  427.552997][T10459]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  427.553006][T10459]  ? 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))
[  427.553008][T10459]  ? 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))
[  427.553013][T10459]  genl_rcv (net/netlink/genetlink.c:1218)
[  427.553016][T10459]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  427.553021][T10459]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  427.553023][T10459]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  427.553028][T10459]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  427.553033][T10459]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  427.553038][T10459]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  427.553040][T10459]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  427.553043][T10459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  427.553049][T10459]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  427.553053][T10459]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  427.553057][T10459]  __sys_sendto (net/socket.c:2281)
[  427.553061][T10459]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  427.553068][T10459]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  427.553078][T10459]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  427.553083][T10459]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  427.553086][T10459]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  427.553090][T10459]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  427.553092][T10459]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  427.553096][T10459]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  427.553098][T10459]  ? irq_exit_rcu (kernel/softirq.c:786)
[  427.553102][T10459]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  427.553105][T10459] RIP: 0033:0x7fd0a97fc312
[  427.553109][T10459] 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)
[  427.553111][T10459] RSP: 002b:00007ffea1a95178 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  427.553114][T10459] RAX: ffffffffffffffda RBX: 00007ffea1a952a8 RCX: 00007fd0a97fc312
[  427.553116][T10459] RDX: 0000000000000038 RSI: 00007fd0a544a270 RDI: 0000000000000023
[  427.553117][T10459] RBP: 00007ffea1a951a0 R08: 00007ffea1a95320 R09: 000000000000000c
[  427.553118][T10459] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd0a7666190
[  427.553119][T10459] R13: 00007ffea1a952a8 R14: 00007fd0a911b01a R15: 00007ffea1a95698
| [  428.720746][T10486] softirqs last disabled at (400056): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  428.720749][T10486] Preemption disabled at:
| [  428.720749][T10486] vprintk_emit (kernel/printk/printk.c:2471)
| [  428.720759][T10486] Tainted: [W]=WARN
[  428.720760][T10486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  428.720761][T10486] Call Trace:
[  428.720763][T10486]  <TASK>
[  428.720765][T10486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  428.720772][T10486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  428.720774][T10486]  __might_resched.cold (kernel/sched/core.c:9234)
[  428.720779][T10486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  428.720784][T10486]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  428.720789][T10486]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  428.720791][T10486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  428.720799][T10486]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  428.720802][T10486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  428.720806][T10486]  put_chars (drivers/char/virtio_console.c:1176)
[  428.720809][T10486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  428.720813][T10486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  428.720816][T10486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  428.720822][T10486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  428.720827][T10486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  428.720829][T10486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  428.720834][T10486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  428.720839][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.720842][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.720847][T10486]  console_emit_next_record (kernel/printk/printk.c:3183)
[  428.720852][T10486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  428.720854][T10486]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  428.720858][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.720860][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.720867][T10486]  console_flush_one_record (kernel/printk/printk.c:3268)
[  428.720873][T10486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  428.720875][T10486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  428.720882][T10486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  428.720886][T10486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  428.720888][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.720890][T10486]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  428.720895][T10486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  428.720897][T10486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  428.720900][T10486]  vprintk_emit (kernel/printk/printk.c:2479)
[  428.720904][T10486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  428.720911][T10486]  _printk (kernel/printk/printk.c:2504)
[  428.720915][T10486]  ? snapshot_read.cold (user.c:?)
[  428.720919][T10486]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  428.720922][T10486]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  428.720926][T10486]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  428.720928][T10486]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  428.720930][T10486]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  428.720934][T10486]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  428.720939][T10486]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  428.720942][T10486]  ? netdev_notice (net/core/dev.c:13194)
[  428.720944][T10486]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  428.720955][T10486]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  428.720958][T10486]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  428.720963][T10486]  netif_set_promiscuity (net/core/dev.c:9699)
[  428.720967][T10486]  dev_set_promiscuity (net/core/dev_api.c:288)
[  428.720969][T10486]  ? dev_disable_lro (net/core/dev_api.c:267)
[  428.720972][T10486] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  428.720979][T10486] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  428.720985][T10486] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  428.720989][T10486]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  428.720994][T10486] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  428.721001][T10486]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  428.721005][T10486]  ? __nla_validate_parse (lib/nlattr.c:635)
[  428.721012][T10486]  ? __nla_parse (lib/nlattr.c:732)
[  428.721015][T10486]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  428.721021][T10486]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  428.721026][T10486]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  428.721036][T10486]  ? security_capable (security/security.c:660 (discriminator 11))
[  428.721041][T10486]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  428.721046][T10486]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  428.721049][T10486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  428.721051][T10486]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  428.721056][T10486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  428.721063][T10486]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  428.721067][T10486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  428.721069][T10486]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  428.721073][T10486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  428.721082][T10486]  ? 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))
[  428.721085][T10486]  ? 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))
[  428.721090][T10486]  genl_rcv (net/netlink/genetlink.c:1218)
[  428.721093][T10486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  428.721098][T10486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  428.721102][T10486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  428.721107][T10486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  428.721112][T10486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  428.721114][T10486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  428.721117][T10486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  428.721123][T10486]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  428.721127][T10486]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  428.721131][T10486]  __sys_sendto (net/socket.c:2281)
[  428.721135][T10486]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  428.721141][T10486]  ? do_futex (kernel/futex/syscalls.c:138)
[  428.721145][T10486]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  428.721153][T10486]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  428.721157][T10486]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  428.721162][T10486]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  428.721164][T10486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  428.721168][T10486]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  428.721170][T10486]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  428.721173][T10486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  428.721175][T10486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  428.721178][T10486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  428.721181][T10486] RIP: 0033:0x7fda9afe1312
[  428.721185][T10486] 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)
[  428.721187][T10486] RSP: 002b:00007ffdb887b228 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  428.721190][T10486] RAX: ffffffffffffffda RBX: 00007ffdb887b358 RCX: 00007fda9afe1312
[  428.721191][T10486] RDX: 0000000000000038 RSI: 00007fda982944b0 RDI: 0000000000000023
[  428.721192][T10486] RBP: 00007ffdb887b250 R08: 00007ffdb887b3d0 R09: 000000000000000c
[  428.721193][T10486] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda98e3e190
[  428.721194][T10486] R13: 00007ffdb887b358 R14: 00007fda9a90001a R15: 00007ffdb887b748
| [  438.397610][   T70] softirqs last disabled at (9648916): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  438.397613][   T70] Preemption disabled at:
| [  438.397613][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  438.397623][   T70] Tainted: [W]=WARN
[  438.397624][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  438.397626][   T70] Workqueue: netns cleanup_net
[  438.397629][   T70] Call Trace:
[  438.397631][   T70]  <TASK>
[  438.397633][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  438.397640][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  438.397641][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  438.397646][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  438.397651][   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)
[  438.397656][   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))
[  438.397658][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.397666][   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)
[  438.397670][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.397674][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  438.397676][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  438.397679][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  438.397683][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  438.397686][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  438.397690][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  438.397698][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  438.397703][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  438.397705][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.397707][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.397712][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  438.397715][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  438.397719][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.397722][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.397727][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  438.397732][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  438.397734][   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))
[  438.397738][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.397740][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.397746][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  438.397751][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  438.397754][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  438.397760][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  438.397764][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  438.397766][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.397768][   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)
[  438.397773][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  438.397775][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  438.397778][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  438.397782][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  438.397785][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  438.397788][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  438.397798][   T70]  _printk (kernel/printk/printk.c:2504)
[  438.397802][   T70]  ? snapshot_read.cold (user.c:?)
[  438.397807][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  438.397811][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  438.397816][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  438.397820][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  438.397822][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  438.397827][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  438.397833][   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)
[  438.397836][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  438.397841][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  438.397845][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  438.397847][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  438.397850][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  438.397858][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  438.397865][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.397870][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  438.397878][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  438.397884][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  438.397895][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  438.397899][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  438.397902][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  438.397905][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  438.397911][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  438.397915][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  438.397920][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  438.397921][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  438.397925][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  438.397931][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  438.397935][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  438.397940][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.397942][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.397947][   T70]  process_one_work (kernel/workqueue.c:3387)
[  438.397955][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  438.397959][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  438.397970][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  438.397975][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  438.397978][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  438.397981][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  438.397984][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  438.397986][   T70]  kthread (kernel/kthread.c:436)
[  438.397989][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  438.397993][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  438.397996][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  438.398001][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  438.398005][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  438.398009][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  438.398012][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  440.391093][T10701] softirqs last disabled at (377202): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  440.391096][T10701] Preemption disabled at:
| [  440.391096][T10701] vprintk_emit (kernel/printk/printk.c:2471)
| [  440.391106][T10701] Tainted: [W]=WARN
[  440.391107][T10701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  440.391109][T10701] Call Trace:
[  440.391110][T10701]  <TASK>
[  440.391112][T10701]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  440.391119][T10701]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  440.391121][T10701]  __might_resched.cold (kernel/sched/core.c:9234)
[  440.391126][T10701]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  440.391131][T10701]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  440.391136][T10701]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  440.391138][T10701]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  440.391146][T10701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  440.391149][T10701]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  440.391154][T10701]  put_chars (drivers/char/virtio_console.c:1176)
[  440.391156][T10701]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  440.391158][T10701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  440.391162][T10701]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  440.391169][T10701]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  440.391178][T10701]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  440.391181][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.391184][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.391189][T10701]  console_emit_next_record (kernel/printk/printk.c:3183)
[  440.391194][T10701]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  440.391196][T10701]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  440.391200][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.391202][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.391207][T10701]  console_flush_one_record (kernel/printk/printk.c:3268)
[  440.391212][T10701]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  440.391214][T10701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.391221][T10701]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  440.391224][T10701]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  440.391226][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.391228][T10701]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  440.391233][T10701]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  440.391235][T10701]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  440.391239][T10701]  vprintk_emit (kernel/printk/printk.c:2479)
[  440.391243][T10701]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  440.391246][T10701]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  440.391249][T10701]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  440.391258][T10701]  _printk (kernel/printk/printk.c:2504)
[  440.391262][T10701]  ? snapshot_read.cold (user.c:?)
[  440.391267][T10701]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  440.391280][T10701]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  440.391284][T10701]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  440.391288][T10701]  ? netdev_notice (net/core/dev.c:13194)
[  440.391290][T10701]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  440.391295][T10701]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  440.391302][T10701]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  440.391305][T10701]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  440.391309][T10701]  netif_set_promiscuity (net/core/dev.c:9699)
[  440.391314][T10701]  dev_set_promiscuity (net/core/dev_api.c:288)
[  440.391316][T10701]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  440.391320][T10701] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  440.391325][T10701]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  440.391329][T10701] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  440.391335][T10701] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  440.391344][T10701]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  440.391348][T10701]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  440.391359][T10701]  ? security_capable (security/security.c:660 (discriminator 11))
[  440.391364][T10701]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  440.391369][T10701]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  440.391372][T10701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  440.391375][T10701]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  440.391380][T10701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.391387][T10701]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  440.391391][T10701]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  440.391394][T10701]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  440.391398][T10701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  440.391407][T10701]  ? 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))
[  440.391409][T10701]  ? 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))
[  440.391414][T10701]  genl_rcv (net/netlink/genetlink.c:1218)
[  440.391416][T10701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  440.391421][T10701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  440.391426][T10701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  440.391430][T10701]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  440.391435][T10701]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  440.391437][T10701]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  440.391441][T10701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  440.391447][T10701]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  440.391450][T10701]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  440.391455][T10701]  __sys_sendto (net/socket.c:2281)
[  440.391458][T10701]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  440.391473][T10701]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  440.391480][T10701]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  440.391483][T10701]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  440.391487][T10701]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  440.391489][T10701]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  440.391492][T10701]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  440.391494][T10701]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  440.391497][T10701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  440.391499][T10701] RIP: 0033:0x7f113afbe312
[  440.391503][T10701] 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)
[  440.391505][T10701] RSP: 002b:00007ffec196e888 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  440.391508][T10701] RAX: ffffffffffffffda RBX: 00007ffec196e9b8 RCX: 00007f113afbe312
[  440.391509][T10701] RDX: 0000000000000028 RSI: 00007f1138420cf0 RDI: 0000000000000023
[  440.391510][T10701] RBP: 00007ffec196e8b0 R08: 00007ffec196ea30 R09: 000000000000000c
[  440.391511][T10701] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1138e21fd0
[  440.391512][T10701] R13: 00007ffec196e9b8 R14: 00007f113a8dd01a R15: 00007ffec196eda8
| [  445.149156][T10821] softirqs last disabled at (382784): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  445.149158][T10821] Preemption disabled at:
| [  445.149159][T10821] vprintk_emit (kernel/printk/printk.c:2471)
| [  445.149168][T10821] Tainted: [W]=WARN
[  445.149169][T10821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  445.149171][T10821] Call Trace:
[  445.149173][T10821]  <TASK>
[  445.149174][T10821]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  445.149181][T10821]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  445.149183][T10821]  __might_resched.cold (kernel/sched/core.c:9234)
[  445.149188][T10821]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  445.149193][T10821]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  445.149198][T10821]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  445.149200][T10821]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.149208][T10821]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  445.149211][T10821]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  445.149216][T10821]  put_chars (drivers/char/virtio_console.c:1176)
[  445.149219][T10821]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  445.149222][T10821]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  445.149226][T10821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.149229][T10821]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  445.149234][T10821]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  445.149238][T10821]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  445.149240][T10821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.149242][T10821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.149248][T10821]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  445.149250][T10821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  445.149255][T10821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.149260][T10821]  console_emit_next_record (kernel/printk/printk.c:3183)
[  445.149265][T10821]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  445.149267][T10821]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  445.149271][T10821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.149274][T10821]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  445.149279][T10821]  console_flush_one_record (kernel/printk/printk.c:3268)
[  445.149284][T10821]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  445.149286][T10821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.149293][T10821]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  445.149304][T10821]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  445.149307][T10821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.149309][T10821]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  445.149313][T10821]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  445.149316][T10821]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  445.149319][T10821]  vprintk_emit (kernel/printk/printk.c:2479)
[  445.149323][T10821]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  445.149326][T10821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.149328][T10821]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  445.149333][T10821]  _printk (kernel/printk/printk.c:2504)
[  445.149337][T10821]  ? snapshot_read.cold (user.c:?)
[  445.149339][T10821]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  445.149346][T10821]  ? idr_get_free (??:?)
[  445.149352][T10821]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  445.149363][T10821]  ? nla_get_range_signed (lib/nlattr.c:270)
[  445.149369][T10821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  445.149371][T10821]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  445.149376][T10821]  __nla_validate_parse (lib/nlattr.c:635)
[  445.149382][T10821]  __nla_parse (lib/nlattr.c:732)
[  445.149385][T10821]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  445.149391][T10821]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  445.149396][T10821]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  445.149406][T10821]  ? security_capable (security/security.c:660 (discriminator 11))
[  445.149411][T10821]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  445.149415][T10821]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  445.149418][T10821]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  445.149421][T10821]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  445.149430][T10821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.149437][T10821]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  445.149441][T10821]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  445.149444][T10821]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  445.149448][T10821]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  445.149457][T10821]  ? 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))
[  445.149459][T10821]  ? 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))
[  445.149464][T10821]  genl_rcv (net/netlink/genetlink.c:1218)
[  445.149467][T10821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  445.149472][T10821]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  445.149476][T10821]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  445.149481][T10821]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  445.149486][T10821]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  445.149488][T10821]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  445.149491][T10821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  445.149498][T10821]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  445.149501][T10821]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  445.149505][T10821]  __sys_sendto (net/socket.c:2281)
[  445.149509][T10821]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  445.149523][T10821]  ? fput_close_sync (fs/file_table.c:617)
[  445.149527][T10821]  ? alloc_file_clone (fs/file_table.c:479)
[  445.149532][T10821]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  445.149534][T10821]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  445.149538][T10821]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  445.149541][T10821]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  445.149543][T10821]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  445.149546][T10821]  ? irq_exit_rcu (kernel/softirq.c:786)
[  445.149550][T10821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  445.149553][T10821] RIP: 0033:0x7f6187181312
[  445.149557][T10821] 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)
[  445.149558][T10821] RSP: 002b:00007ffd179478b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  445.149561][T10821] RAX: ffffffffffffffda RBX: 00007ffd179479e8 RCX: 00007f6187181312
[  445.149563][T10821] RDX: 0000000000000044 RSI: 00007f6184ecf2d0 RDI: 0000000000000020
[  445.149564][T10821] RBP: 00007ffd179478e0 R08: 00007ffd17947a60 R09: 000000000000000c
[  445.149565][T10821] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6184fde0b0
[  445.149566][T10821] R13: 00007ffd179479e8 R14: 00007f6186aa001a R15: 00007ffd17947dd8
| [  446.486836][T10853] softirqs last disabled at (383481): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  446.486839][T10853] Preemption disabled at:
| [  446.486839][T10853] vprintk_emit (kernel/printk/printk.c:2471)
| [  446.486849][T10853] Tainted: [W]=WARN
[  446.486850][T10853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  446.486852][T10853] Call Trace:
[  446.486854][T10853]  <TASK>
[  446.486855][T10853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  446.486862][T10853]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  446.486865][T10853]  __might_resched.cold (kernel/sched/core.c:9234)
[  446.486870][T10853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  446.486874][T10853]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  446.486880][T10853]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  446.486882][T10853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.486889][T10853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  446.486893][T10853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.486897][T10853]  put_chars (drivers/char/virtio_console.c:1176)
[  446.486900][T10853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  446.486904][T10853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  446.486908][T10853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  446.486913][T10853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  446.486918][T10853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.486920][T10853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.486925][T10853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  446.486930][T10853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.486933][T10853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.486938][T10853]  console_emit_next_record (kernel/printk/printk.c:3183)
[  446.486943][T10853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  446.486945][T10853]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  446.486949][T10853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.486951][T10853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.486956][T10853]  console_flush_one_record (kernel/printk/printk.c:3268)
[  446.486962][T10853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  446.486964][T10853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.486971][T10853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  446.486974][T10853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  446.486977][T10853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.486979][T10853]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  446.486984][T10853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  446.486986][T10853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  446.486989][T10853]  vprintk_emit (kernel/printk/printk.c:2479)
[  446.486993][T10853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  446.487000][T10853]  _printk (kernel/printk/printk.c:2504)
[  446.487004][T10853]  ? snapshot_read.cold (user.c:?)
[  446.487007][T10853]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  446.487011][T10853]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  446.487016][T10853]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  446.487018][T10853]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  446.487022][T10853]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  446.487027][T10853]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  446.487030][T10853]  ? netdev_notice (net/core/dev.c:13194)
[  446.487032][T10853]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  446.487043][T10853]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  446.487046][T10853]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  446.487050][T10853]  netif_set_promiscuity (net/core/dev.c:9699)
[  446.487055][T10853]  dev_set_promiscuity (net/core/dev_api.c:288)
[  446.487057][T10853]  ? dev_disable_lro (net/core/dev_api.c:267)
[  446.487060][T10853] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  446.487066][T10853] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  446.487072][T10853] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  446.487077][T10853]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  446.487082][T10853] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  446.487089][T10853]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  446.487093][T10853]  ? __nla_validate_parse (lib/nlattr.c:635)
[  446.487101][T10853]  ? __nla_parse (lib/nlattr.c:732)
[  446.487104][T10853]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  446.487110][T10853]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  446.487114][T10853]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  446.487124][T10853]  ? security_capable (security/security.c:660 (discriminator 11))
[  446.487130][T10853]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  446.487134][T10853]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  446.487137][T10853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  446.487140][T10853]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  446.487145][T10853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.487152][T10853]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  446.487156][T10853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  446.487158][T10853]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  446.487162][T10853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  446.487172][T10853]  ? 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))
[  446.487174][T10853]  ? 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))
[  446.487179][T10853]  genl_rcv (net/netlink/genetlink.c:1218)
[  446.487182][T10853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  446.487187][T10853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  446.487192][T10853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  446.487196][T10853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  446.487201][T10853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  446.487203][T10853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  446.487207][T10853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  446.487213][T10853]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  446.487216][T10853]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  446.487221][T10853]  __sys_sendto (net/socket.c:2281)
[  446.487224][T10853]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  446.487239][T10853]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  446.487247][T10853]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  446.487249][T10853]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  446.487253][T10853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  446.487255][T10853]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  446.487258][T10853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  446.487260][T10853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  446.487263][T10853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  446.487266][T10853] RIP: 0033:0x7fbaec18e312
[  446.487270][T10853] 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)
[  446.487272][T10853] RSP: 002b:00007fff0207ff58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  446.487275][T10853] RAX: ffffffffffffffda RBX: 00007fff02080088 RCX: 00007fbaec18e312
[  446.487276][T10853] RDX: 0000000000000038 RSI: 00007fbae840dd30 RDI: 0000000000000023
[  446.487277][T10853] RBP: 00007fff0207ff80 R08: 00007fff02080100 R09: 000000000000000c
[  446.487278][T10853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbae9ff2190
[  446.487279][T10853] R13: 00007fff02080088 R14: 00007fbaebaad01a R15: 00007fff02080478
| [  447.612382][T10880] softirqs last disabled at (393988): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  447.612385][T10880] Preemption disabled at:
| [  447.612386][T10880] vprintk_emit (kernel/printk/printk.c:2471)
| [  447.612394][T10880] Tainted: [W]=WARN
[  447.612395][T10880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  447.612397][T10880] Call Trace:
[  447.612399][T10880]  <TASK>
[  447.612401][T10880]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  447.612408][T10880]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  447.612410][T10880]  __might_resched.cold (kernel/sched/core.c:9234)
[  447.612415][T10880]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  447.612420][T10880]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  447.612425][T10880]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  447.612428][T10880]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.612436][T10880]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  447.612439][T10880]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.612444][T10880]  put_chars (drivers/char/virtio_console.c:1176)
[  447.612447][T10880]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  447.612451][T10880]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  447.612455][T10880]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  447.612460][T10880]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  447.612465][T10880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.612467][T10880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.612473][T10880]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  447.612478][T10880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.612480][T10880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.612486][T10880]  console_emit_next_record (kernel/printk/printk.c:3183)
[  447.612491][T10880]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  447.612493][T10880]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  447.612497][T10880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.612499][T10880]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.612504][T10880]  console_flush_one_record (kernel/printk/printk.c:3268)
[  447.612510][T10880]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  447.612512][T10880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.612519][T10880]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  447.612522][T10880]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  447.612525][T10880]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.612527][T10880]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  447.612531][T10880]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  447.612534][T10880]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  447.612537][T10880]  vprintk_emit (kernel/printk/printk.c:2479)
[  447.612541][T10880]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  447.612548][T10880]  _printk (kernel/printk/printk.c:2504)
[  447.612552][T10880]  ? snapshot_read.cold (user.c:?)
[  447.612556][T10880]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  447.612559][T10880]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  447.612563][T10880]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  447.612565][T10880]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  447.612567][T10880]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  447.612572][T10880]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  447.612577][T10880]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  447.612580][T10880]  ? netdev_notice (net/core/dev.c:13194)
[  447.612582][T10880]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  447.612594][T10880]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  447.612597][T10880]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  447.612601][T10880]  netif_set_promiscuity (net/core/dev.c:9699)
[  447.612606][T10880]  dev_set_promiscuity (net/core/dev_api.c:288)
[  447.612608][T10880]  ? dev_disable_lro (net/core/dev_api.c:267)
[  447.612611][T10880] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  447.612617][T10880] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  447.612623][T10880] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  447.612628][T10880]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  447.612634][T10880] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  447.612641][T10880]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  447.612645][T10880]  ? __nla_validate_parse (lib/nlattr.c:635)
[  447.612653][T10880]  ? __nla_parse (lib/nlattr.c:732)
[  447.612656][T10880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  447.612662][T10880]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  447.612666][T10880]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  447.612677][T10880]  ? security_capable (security/security.c:660 (discriminator 11))
[  447.612682][T10880]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  447.612687][T10880]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  447.612690][T10880]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  447.612696][T10880]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  447.612701][T10880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.612708][T10880]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  447.612713][T10880]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  447.612715][T10880]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  447.612719][T10880]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  447.612729][T10880]  ? 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))
[  447.612731][T10880]  ? 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))
[  447.612736][T10880]  genl_rcv (net/netlink/genetlink.c:1218)
[  447.612739][T10880]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  447.612744][T10880]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  447.612749][T10880]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  447.612754][T10880]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  447.612759][T10880]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  447.612761][T10880]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  447.612765][T10880]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  447.612771][T10880]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  447.612775][T10880]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  447.612779][T10880]  __sys_sendto (net/socket.c:2281)
[  447.612783][T10880]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  447.612790][T10880]  ? do_futex (kernel/futex/syscalls.c:138)
[  447.612794][T10880]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  447.612803][T10880]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  447.612804][T10880]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  447.612809][T10880]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  447.612812][T10880]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  447.612816][T10880]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  447.612820][T10880]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  447.612823][T10880]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  447.612825][T10880]  ? irq_exit_rcu (kernel/softirq.c:786)
[  447.612830][T10880]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  447.612832][T10880] RIP: 0033:0x7fc3a292a312
[  447.612837][T10880] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  447.612839][T10880] RSP: 002b:00007ffef34d4758 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  447.612842][T10880] RAX: ffffffffffffffda RBX: 00007ffef34d4888 RCX: 00007fc3a292a312
[  447.612844][T10880] RDX: 0000000000000038 RSI: 00007fc39c3f83b0 RDI: 0000000000000023
[  447.612845][T10880] RBP: 00007ffef34d4780 R08: 00007ffef34d4900 R09: 000000000000000c
[  447.612846][T10880] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc3a078e190
[  447.612847][T10880] R13: 00007ffef34d4888 R14: 00007fc3a224901a R15: 00007ffef34d4c78
| [  457.193497][   T70] softirqs last disabled at (9850342): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  457.193499][   T70] Preemption disabled at:
| [  457.193500][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  457.193509][   T70] Tainted: [W]=WARN
[  457.193510][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  457.193512][   T70] Workqueue: netns cleanup_net
[  457.193516][   T70] Call Trace:
[  457.193518][   T70]  <TASK>
[  457.193519][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  457.193526][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  457.193528][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  457.193533][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.193538][   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)
[  457.193543][   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))
[  457.193545][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.193552][   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)
[  457.193555][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.193559][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  457.193561][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  457.193564][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  457.193568][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  457.193571][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  457.193574][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  457.193579][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  457.193584][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  457.193586][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.193588][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.193593][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  457.193597][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  457.193600][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.193603][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.193608][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  457.193613][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  457.193615][   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))
[  457.193619][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.193621][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.193626][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  457.193631][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  457.193633][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  457.193640][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  457.193643][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  457.193645][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.193647][   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)
[  457.193652][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  457.193654][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  457.193657][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  457.193661][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  457.193664][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  457.193666][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  457.193676][   T70]  _printk (kernel/printk/printk.c:2504)
[  457.193680][   T70]  ? snapshot_read.cold (user.c:?)
[  457.193686][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  457.193690][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  457.193698][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  457.193701][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  457.193703][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  457.193708][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  457.193715][   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)
[  457.193718][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  457.193722][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  457.193726][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  457.193728][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  457.193731][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  457.193738][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  457.193743][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.193746][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  457.193753][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  457.193759][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  457.193769][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  457.193773][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  457.193776][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.193779][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  457.193784][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  457.193788][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  457.193793][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  457.193795][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  457.193798][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  457.193804][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  457.193808][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  457.193812][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.193815][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.193819][   T70]  process_one_work (kernel/workqueue.c:3387)
[  457.193827][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  457.193830][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  457.193840][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  457.193845][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  457.193848][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  457.193851][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  457.193854][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  457.193856][   T70]  kthread (kernel/kthread.c:436)
[  457.193859][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  457.193864][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  457.193869][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  457.193874][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  457.193879][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  457.193883][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  457.193886][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  459.156197][T11094] softirqs last disabled at (385150): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  459.156199][T11094] Preemption disabled at:
| [  459.156200][T11094] vprintk_emit (kernel/printk/printk.c:2471)
| [  459.156209][T11094] Tainted: [W]=WARN
[  459.156210][T11094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  459.156212][T11094] Call Trace:
[  459.156214][T11094]  <TASK>
[  459.156215][T11094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  459.156222][T11094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  459.156224][T11094]  __might_resched.cold (kernel/sched/core.c:9234)
[  459.156229][T11094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  459.156234][T11094]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  459.156239][T11094]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  459.156242][T11094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.156249][T11094]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  459.156252][T11094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.156257][T11094]  put_chars (drivers/char/virtio_console.c:1176)
[  459.156260][T11094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  459.156262][T11094]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  459.156266][T11094]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  459.156273][T11094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  459.156282][T11094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  459.156285][T11094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.156288][T11094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.156293][T11094]  console_emit_next_record (kernel/printk/printk.c:3183)
[  459.156298][T11094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  459.156300][T11094]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  459.156304][T11094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.156306][T11094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.156311][T11094]  console_flush_one_record (kernel/printk/printk.c:3268)
[  459.156316][T11094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  459.156319][T11094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  459.156325][T11094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  459.156329][T11094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  459.156331][T11094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.156333][T11094]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  459.156338][T11094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  459.156340][T11094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  459.156343][T11094]  vprintk_emit (kernel/printk/printk.c:2479)
[  459.156347][T11094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  459.156351][T11094]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  459.156354][T11094]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  459.156363][T11094]  _printk (kernel/printk/printk.c:2504)
[  459.156367][T11094]  ? snapshot_read.cold (user.c:?)
[  459.156380][T11094]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  459.156384][T11094]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  459.156389][T11094]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  459.156393][T11094]  ? netdev_notice (net/core/dev.c:13194)
[  459.156395][T11094]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  459.156400][T11094]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  459.156406][T11094]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  459.156409][T11094]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  459.156414][T11094]  netif_set_promiscuity (net/core/dev.c:9699)
[  459.156418][T11094]  dev_set_promiscuity (net/core/dev_api.c:288)
[  459.156420][T11094]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  459.156425][T11094] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  459.156429][T11094]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  459.156433][T11094] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  459.156439][T11094] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  459.156449][T11094]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  459.156453][T11094]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  459.156463][T11094]  ? security_capable (security/security.c:660 (discriminator 11))
[  459.156469][T11094]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  459.156473][T11094]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  459.156476][T11094]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  459.156479][T11094]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  459.156484][T11094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  459.156491][T11094]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  459.156496][T11094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  459.156498][T11094]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  459.156502][T11094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  459.156511][T11094]  ? 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))
[  459.156514][T11094]  ? 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))
[  459.156519][T11094]  genl_rcv (net/netlink/genetlink.c:1218)
[  459.156521][T11094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  459.156526][T11094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  459.156531][T11094]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  459.156535][T11094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  459.156540][T11094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  459.156542][T11094]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  459.156546][T11094]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  459.156552][T11094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  459.156555][T11094]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  459.156560][T11094]  __sys_sendto (net/socket.c:2281)
[  459.156563][T11094]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  459.156578][T11094]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  459.156585][T11094]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  459.156588][T11094]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  459.156592][T11094]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  459.156594][T11094]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  459.156596][T11094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  459.156599][T11094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  459.156602][T11094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  459.156604][T11094] RIP: 0033:0x7fdc68310312
[  459.156608][T11094] 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)
[  459.156610][T11094] RSP: 002b:00007fff0e395a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  459.156613][T11094] RAX: ffffffffffffffda RBX: 00007fff0e395bb8 RCX: 00007fdc68310312
[  459.156615][T11094] RDX: 0000000000000028 RSI: 00007fdc64581140 RDI: 0000000000000023
[  459.156616][T11094] RBP: 00007fff0e395ab0 R08: 00007fff0e395c30 R09: 000000000000000c
[  459.156617][T11094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdc6617dfd0
[  459.156618][T11094] R13: 00007fff0e395bb8 R14: 00007fdc67c2f01a R15: 00007fff0e395fa8
| [  463.736076][T11202] softirqs last disabled at (383192): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  463.736079][T11202] Preemption disabled at:
| [  463.736080][T11202] vprintk_emit (kernel/printk/printk.c:2471)
| [  463.736089][T11202] Tainted: [W]=WARN
[  463.736090][T11202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  463.736092][T11202] Call Trace:
[  463.736093][T11202]  <TASK>
[  463.736095][T11202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  463.736102][T11202]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  463.736104][T11202]  __might_resched.cold (kernel/sched/core.c:9234)
[  463.736109][T11202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  463.736114][T11202]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  463.736119][T11202]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  463.736121][T11202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.736129][T11202]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  463.736132][T11202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.736137][T11202]  put_chars (drivers/char/virtio_console.c:1176)
[  463.736140][T11202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  463.736143][T11202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  463.736146][T11202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  463.736150][T11202]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  463.736155][T11202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  463.736159][T11202]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  463.736162][T11202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.736163][T11202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.736169][T11202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  463.736171][T11202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  463.736176][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.736181][T11202]  console_emit_next_record (kernel/printk/printk.c:3183)
[  463.736186][T11202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  463.736188][T11202]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  463.736192][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.736195][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.736200][T11202]  console_flush_one_record (kernel/printk/printk.c:3268)
[  463.736205][T11202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  463.736207][T11202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.736214][T11202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  463.736217][T11202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  463.736219][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.736222][T11202]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  463.736226][T11202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  463.736228][T11202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  463.736232][T11202]  vprintk_emit (kernel/printk/printk.c:2479)
[  463.736236][T11202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  463.736238][T11202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  463.736240][T11202]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  463.736246][T11202]  _printk (kernel/printk/printk.c:2504)
[  463.736250][T11202]  ? snapshot_read.cold (user.c:?)
[  463.736252][T11202]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  463.736259][T11202]  ? idr_get_free (??:?)
[  463.736265][T11202]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  463.736276][T11202]  ? nla_get_range_signed (lib/nlattr.c:270)
[  463.736282][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.736284][T11202]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  463.736289][T11202]  __nla_validate_parse (lib/nlattr.c:635)
[  463.736295][T11202]  __nla_parse (lib/nlattr.c:732)
[  463.736298][T11202]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  463.736304][T11202]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  463.736308][T11202]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  463.736319][T11202]  ? security_capable (security/security.c:660 (discriminator 11))
[  463.736324][T11202]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  463.736328][T11202]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  463.736331][T11202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  463.736335][T11202]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  463.736343][T11202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.736350][T11202]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  463.736354][T11202]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  463.736357][T11202]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  463.736361][T11202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  463.736370][T11202]  ? 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))
[  463.736372][T11202]  ? 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))
[  463.736377][T11202]  genl_rcv (net/netlink/genetlink.c:1218)
[  463.736380][T11202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  463.736385][T11202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  463.736389][T11202]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  463.736393][T11202]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  463.736405][T11202]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  463.736407][T11202]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  463.736411][T11202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  463.736417][T11202]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  463.736420][T11202]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  463.736425][T11202]  __sys_sendto (net/socket.c:2281)
[  463.736428][T11202]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  463.736442][T11202]  ? fput_close_sync (fs/file_table.c:617)
[  463.736446][T11202]  ? alloc_file_clone (fs/file_table.c:479)
[  463.736451][T11202]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  463.736453][T11202]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  463.736457][T11202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  463.736460][T11202]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  463.736463][T11202]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  463.736465][T11202]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  463.736468][T11202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  463.736471][T11202] RIP: 0033:0x7f4578a4c312
[  463.736475][T11202] 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)
[  463.736477][T11202] RSP: 002b:00007fff2714c9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  463.736480][T11202] RAX: ffffffffffffffda RBX: 00007fff2714cae8 RCX: 00007f4578a4c312
[  463.736481][T11202] RDX: 0000000000000044 RSI: 00007f4574627320 RDI: 0000000000000020
[  463.736482][T11202] RBP: 00007fff2714c9e0 R08: 00007fff2714cb60 R09: 000000000000000c
[  463.736483][T11202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45768ba0b0
[  463.736485][T11202] R13: 00007fff2714cae8 R14: 00007f457836b01a R15: 00007fff2714ced8
| [  465.097385][T11234] softirqs last disabled at (374534): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  465.097387][T11234] Preemption disabled at:
| [  465.097388][T11234] vprintk_emit (kernel/printk/printk.c:2471)
| [  465.097397][T11234] Tainted: [W]=WARN
[  465.097398][T11234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  465.097400][T11234] Call Trace:
[  465.097401][T11234]  <TASK>
[  465.097403][T11234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  465.097416][T11234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  465.097418][T11234]  __might_resched.cold (kernel/sched/core.c:9234)
[  465.097423][T11234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  465.097428][T11234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  465.097433][T11234]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  465.097435][T11234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  465.097443][T11234]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  465.097446][T11234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  465.097451][T11234]  put_chars (drivers/char/virtio_console.c:1176)
[  465.097454][T11234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  465.097458][T11234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  465.097461][T11234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  465.097467][T11234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  465.097471][T11234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  465.097473][T11234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  465.097479][T11234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  465.097484][T11234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.097486][T11234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.097491][T11234]  console_emit_next_record (kernel/printk/printk.c:3183)
[  465.097496][T11234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  465.097498][T11234]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  465.097502][T11234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.097504][T11234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.097510][T11234]  console_flush_one_record (kernel/printk/printk.c:3268)
[  465.097515][T11234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  465.097517][T11234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  465.097524][T11234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  465.097527][T11234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  465.097529][T11234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.097531][T11234]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  465.097536][T11234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  465.097538][T11234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  465.097542][T11234]  vprintk_emit (kernel/printk/printk.c:2479)
[  465.097546][T11234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  465.097553][T11234]  _printk (kernel/printk/printk.c:2504)
[  465.097557][T11234]  ? snapshot_read.cold (user.c:?)
[  465.097560][T11234]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  465.097564][T11234]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  465.097568][T11234]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  465.097570][T11234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  465.097574][T11234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  465.097579][T11234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  465.097582][T11234]  ? netdev_notice (net/core/dev.c:13194)
[  465.097585][T11234]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  465.097596][T11234]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  465.097599][T11234]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  465.097603][T11234]  netif_set_promiscuity (net/core/dev.c:9699)
[  465.097607][T11234]  dev_set_promiscuity (net/core/dev_api.c:288)
[  465.097610][T11234]  ? dev_disable_lro (net/core/dev_api.c:267)
[  465.097612][T11234] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  465.097619][T11234] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  465.097625][T11234] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  465.097629][T11234]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  465.097635][T11234] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  465.097642][T11234]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  465.097646][T11234]  ? __nla_validate_parse (lib/nlattr.c:635)
[  465.097653][T11234]  ? __nla_parse (lib/nlattr.c:732)
[  465.097656][T11234]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  465.097662][T11234]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  465.097666][T11234]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  465.097676][T11234]  ? security_capable (security/security.c:660 (discriminator 11))
[  465.097681][T11234]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  465.097686][T11234]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  465.097689][T11234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  465.097695][T11234]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  465.097700][T11234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  465.097707][T11234]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  465.097711][T11234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  465.097713][T11234]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  465.097718][T11234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  465.097727][T11234]  ? 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))
[  465.097729][T11234]  ? 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))
[  465.097734][T11234]  genl_rcv (net/netlink/genetlink.c:1218)
[  465.097737][T11234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  465.097742][T11234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  465.097746][T11234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  465.097750][T11234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  465.097755][T11234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  465.097757][T11234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  465.097761][T11234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  465.097767][T11234]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  465.097771][T11234]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  465.097775][T11234]  __sys_sendto (net/socket.c:2281)
[  465.097779][T11234]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  465.097786][T11234]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  465.097797][T11234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  465.097802][T11234]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  465.097804][T11234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  465.097808][T11234]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  465.097812][T11234]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  465.097815][T11234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  465.097817][T11234]  ? irq_exit_rcu (kernel/softirq.c:786)
[  465.097822][T11234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  465.097824][T11234] RIP: 0033:0x7f5983d61312
[  465.097828][T11234] 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)
[  465.097830][T11234] RSP: 002b:00007fffa6bde618 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  465.097833][T11234] RAX: ffffffffffffffda RBX: 00007fffa6bde748 RCX: 00007f5983d61312
[  465.097834][T11234] RDX: 0000000000000038 RSI: 00007f59716ff070 RDI: 0000000000000023
[  465.097836][T11234] RBP: 00007fffa6bde640 R08: 00007fffa6bde7c0 R09: 000000000000000c
[  465.097837][T11234] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5981bbe190
[  465.097838][T11234] R13: 00007fffa6bde748 R14: 00007f598368001a R15: 00007fffa6bdeb38
| [  466.248099][T11261] softirqs last disabled at (384144): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  466.248101][T11261] Preemption disabled at:
| [  466.248102][T11261] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.248111][T11261] Tainted: [W]=WARN
[  466.248112][T11261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.248114][T11261] Call Trace:
[  466.248116][T11261]  <TASK>
[  466.248118][T11261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.248125][T11261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.248127][T11261]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.248132][T11261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.248137][T11261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  466.248143][T11261]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  466.248145][T11261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.248153][T11261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  466.248156][T11261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.248160][T11261]  put_chars (drivers/char/virtio_console.c:1176)
[  466.248163][T11261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.248167][T11261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.248171][T11261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  466.248176][T11261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.248181][T11261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.248183][T11261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.248189][T11261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.248193][T11261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.248196][T11261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.248201][T11261]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.248206][T11261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.248208][T11261]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  466.248212][T11261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.248214][T11261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.248219][T11261]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.248225][T11261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.248227][T11261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.248234][T11261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.248237][T11261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.248239][T11261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.248241][T11261]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  466.248246][T11261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.248248][T11261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.248251][T11261]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.248256][T11261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.248262][T11261]  _printk (kernel/printk/printk.c:2504)
[  466.248267][T11261]  ? snapshot_read.cold (user.c:?)
[  466.248270][T11261]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  466.248274][T11261]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  466.248277][T11261]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  466.248280][T11261]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  466.248282][T11261]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.248286][T11261]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.248291][T11261]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.248294][T11261]  ? netdev_notice (net/core/dev.c:13194)
[  466.248296][T11261]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  466.248307][T11261]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  466.248310][T11261]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  466.248314][T11261]  netif_set_promiscuity (net/core/dev.c:9699)
[  466.248319][T11261]  dev_set_promiscuity (net/core/dev_api.c:288)
[  466.248321][T11261]  ? dev_disable_lro (net/core/dev_api.c:267)
[  466.248324][T11261] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  466.248330][T11261] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  466.248336][T11261] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  466.248340][T11261]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  466.248346][T11261] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  466.248353][T11261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  466.248357][T11261]  ? __nla_validate_parse (lib/nlattr.c:635)
[  466.248364][T11261]  ? __nla_parse (lib/nlattr.c:732)
[  466.248367][T11261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  466.248373][T11261]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  466.248377][T11261]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  466.248388][T11261]  ? security_capable (security/security.c:660 (discriminator 11))
[  466.248393][T11261]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  466.248397][T11261]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  466.248400][T11261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  466.248403][T11261]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  466.248408][T11261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.248422][T11261]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  466.248426][T11261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.248428][T11261]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  466.248432][T11261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.248441][T11261]  ? 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))
[  466.248444][T11261]  ? 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))
[  466.248449][T11261]  genl_rcv (net/netlink/genetlink.c:1218)
[  466.248451][T11261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.248456][T11261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.248461][T11261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  466.248465][T11261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.248470][T11261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.248473][T11261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.248479][T11261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  466.248488][T11261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.248493][T11261]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  466.248499][T11261]  __sys_sendto (net/socket.c:2281)
[  466.248503][T11261]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  466.248517][T11261]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  466.248525][T11261]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  466.248527][T11261]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  466.248531][T11261]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  466.248533][T11261]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  466.248536][T11261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.248539][T11261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.248542][T11261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.248545][T11261] RIP: 0033:0x7f9b4122a312
[  466.248549][T11261] 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)
[  466.248551][T11261] RSP: 002b:00007ffeeaaaea98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  466.248554][T11261] RAX: ffffffffffffffda RBX: 00007ffeeaaaebc8 RCX: 00007f9b4122a312
[  466.248555][T11261] RDX: 0000000000000038 RSI: 00007f9b3c4eb170 RDI: 0000000000000023
[  466.248556][T11261] RBP: 00007ffeeaaaeac0 R08: 00007ffeeaaaec40 R09: 000000000000000c
[  466.248557][T11261] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b3f08e190
[  466.248558][T11261] R13: 00007ffeeaaaebc8 R14: 00007f9b40b4901a R15: 00007ffeeaaaefb8
| [  475.851682][   T70] softirqs last disabled at (10051048): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  475.851685][   T70] Preemption disabled at:
| [  475.851685][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.851698][   T70] Tainted: [W]=WARN
[  475.851699][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.851701][   T70] Workqueue: netns cleanup_net
[  475.851704][   T70] Call Trace:
[  475.851706][   T70]  <TASK>
[  475.851709][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.851715][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.851717][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.851722][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.851726][   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)
[  475.851731][   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))
[  475.851734][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.851742][   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)
[  475.851745][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.851749][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  475.851751][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  475.851754][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.851758][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  475.851761][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  475.851764][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  475.851769][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.851773][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  475.851776][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.851777][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.851782][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.851785][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  475.851789][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.851792][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.851797][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.851801][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.851803][   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))
[  475.851807][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.851809][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.851814][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.851820][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.851822][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  475.851828][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.851832][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.851834][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.851836][   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)
[  475.851841][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.851843][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.851846][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.851850][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.851853][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  475.851855][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  475.851869][   T70]  _printk (kernel/printk/printk.c:2504)
[  475.851874][   T70]  ? snapshot_read.cold (user.c:?)
[  475.851880][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  475.851884][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  475.851889][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  475.851892][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  475.851894][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  475.851899][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  475.851905][   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)
[  475.851908][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  475.851913][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  475.851917][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  475.851919][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  475.851923][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  475.851931][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  475.851936][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.851939][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  475.851946][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  475.851952][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  475.851961][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  475.851966][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  475.851968][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.851972][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  475.851977][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  475.851981][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  475.851986][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  475.851987][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  475.851991][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  475.851997][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  475.852000][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  475.852005][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.852007][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.852012][   T70]  process_one_work (kernel/workqueue.c:3387)
[  475.852020][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  475.852023][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  475.852033][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  475.852038][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  475.852040][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  475.852043][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  475.852047][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  475.852049][   T70]  kthread (kernel/kthread.c:436)
[  475.852052][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  475.852055][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  475.852059][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  475.852064][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  475.852068][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  475.852072][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  475.852075][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  477.995967][T11475] softirqs last disabled at (372773): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  477.995970][T11475] Preemption disabled at:
| [  477.995971][T11475] vprintk_emit (kernel/printk/printk.c:2471)
| [  477.995980][T11475] Tainted: [W]=WARN
[  477.995981][T11475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  477.995983][T11475] Call Trace:
[  477.995984][T11475]  <TASK>
[  477.995986][T11475]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  477.995993][T11475]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  477.995995][T11475]  __might_resched.cold (kernel/sched/core.c:9234)
[  477.996000][T11475]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  477.996005][T11475]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  477.996010][T11475]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  477.996012][T11475]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  477.996020][T11475]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  477.996023][T11475]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  477.996028][T11475]  put_chars (drivers/char/virtio_console.c:1176)
[  477.996031][T11475]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  477.996032][T11475]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  477.996036][T11475]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  477.996039][T11475]  ? __schedule (kernel/sched/core.c:7277)
[  477.996047][T11475]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  477.996057][T11475]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  477.996060][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.996062][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.996068][T11475]  console_emit_next_record (kernel/printk/printk.c:3183)
[  477.996072][T11475]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  477.996075][T11475]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  477.996079][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.996081][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.996086][T11475]  console_flush_one_record (kernel/printk/printk.c:3268)
[  477.996091][T11475]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  477.996093][T11475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.996100][T11475]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  477.996104][T11475]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  477.996106][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.996108][T11475]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  477.996113][T11475]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  477.996115][T11475]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  477.996118][T11475]  vprintk_emit (kernel/printk/printk.c:2479)
[  477.996122][T11475]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  477.996126][T11475]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  477.996129][T11475]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  477.996138][T11475]  _printk (kernel/printk/printk.c:2504)
[  477.996142][T11475]  ? snapshot_read.cold (user.c:?)
[  477.996147][T11475]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  477.996152][T11475]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  477.996156][T11475]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  477.996160][T11475]  ? netdev_notice (net/core/dev.c:13194)
[  477.996162][T11475]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  477.996167][T11475]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  477.996174][T11475]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  477.996177][T11475]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  477.996181][T11475]  netif_set_promiscuity (net/core/dev.c:9699)
[  477.996185][T11475]  dev_set_promiscuity (net/core/dev_api.c:288)
[  477.996188][T11475]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  477.996192][T11475] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  477.996197][T11475]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  477.996201][T11475] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  477.996207][T11475] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  477.996216][T11475]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  477.996221][T11475]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  477.996231][T11475]  ? security_capable (security/security.c:660 (discriminator 11))
[  477.996237][T11475]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  477.996242][T11475]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  477.996245][T11475]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  477.996248][T11475]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  477.996253][T11475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.996260][T11475]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  477.996264][T11475]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  477.996266][T11475]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  477.996271][T11475]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  477.996280][T11475]  ? 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))
[  477.996282][T11475]  ? 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))
[  477.996287][T11475]  genl_rcv (net/netlink/genetlink.c:1218)
[  477.996290][T11475]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  477.996295][T11475]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  477.996300][T11475]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  477.996304][T11475]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  477.996309][T11475]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  477.996311][T11475]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  477.996315][T11475]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  477.996321][T11475]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  477.996324][T11475]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  477.996329][T11475]  __sys_sendto (net/socket.c:2281)
[  477.996332][T11475]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  477.996347][T11475]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  477.996353][T11475]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  477.996356][T11475]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  477.996360][T11475]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  477.996362][T11475]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  477.996365][T11475]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  477.996367][T11475]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  477.996370][T11475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  477.996372][T11475] RIP: 0033:0x7fdf99f59312
[  477.996376][T11475] 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)
[  477.996378][T11475] RSP: 002b:00007fff1fbd26f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  477.996381][T11475] RAX: ffffffffffffffda RBX: 00007fff1fbd2828 RCX: 00007fdf99f59312
[  477.996383][T11475] RDX: 0000000000000028 RSI: 00007fdf95bad440 RDI: 0000000000000023
[  477.996384][T11475] RBP: 00007fff1fbd2720 R08: 00007fff1fbd28a0 R09: 000000000000000c
[  477.996385][T11475] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdf97db5fd0
[  477.996386][T11475] R13: 00007fff1fbd2828 R14: 00007fdf9987801a R15: 00007fff1fbd2c18
| [  482.651176][T11595] softirqs last disabled at (385890): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  482.651178][T11595] Preemption disabled at:
| [  482.651179][T11595] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.651189][T11595] Tainted: [W]=WARN
[  482.651190][T11595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.651192][T11595] Call Trace:
[  482.651193][T11595]  <TASK>
[  482.651195][T11595]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.651202][T11595]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.651204][T11595]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.651209][T11595]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.651214][T11595]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  482.651219][T11595]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  482.651221][T11595]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.651229][T11595]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  482.651232][T11595]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.651237][T11595]  put_chars (drivers/char/virtio_console.c:1176)
[  482.651240][T11595]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.651243][T11595]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  482.651246][T11595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  482.651249][T11595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  482.651254][T11595]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.651258][T11595]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  482.651261][T11595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.651263][T11595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.651268][T11595]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.651270][T11595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  482.651276][T11595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.651281][T11595]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.651285][T11595]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.651288][T11595]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  482.651291][T11595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.651294][T11595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.651299][T11595]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.651304][T11595]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.651306][T11595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.651313][T11595]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.651316][T11595]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.651318][T11595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.651320][T11595]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  482.651325][T11595]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.651327][T11595]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.651330][T11595]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.651334][T11595]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.651336][T11595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  482.651338][T11595]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  482.651344][T11595]  _printk (kernel/printk/printk.c:2504)
[  482.651348][T11595]  ? snapshot_read.cold (user.c:?)
[  482.651350][T11595]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  482.651357][T11595]  ? idr_get_free (??:?)
[  482.651363][T11595]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  482.651373][T11595]  ? nla_get_range_signed (lib/nlattr.c:270)
[  482.651380][T11595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.651382][T11595]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  482.651387][T11595]  __nla_validate_parse (lib/nlattr.c:635)
[  482.651393][T11595]  __nla_parse (lib/nlattr.c:732)
[  482.651396][T11595]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  482.651402][T11595]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  482.651406][T11595]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  482.651416][T11595]  ? security_capable (security/security.c:660 (discriminator 11))
[  482.651421][T11595]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  482.651426][T11595]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  482.651428][T11595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  482.651431][T11595]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  482.651440][T11595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.651447][T11595]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  482.651451][T11595]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.651453][T11595]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  482.651457][T11595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  482.651466][T11595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  482.651468][T11595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  482.651475][T11595]  genl_rcv (net/netlink/genetlink.c:1218)
[  482.651479][T11595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.651486][T11595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  482.651492][T11595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  482.651498][T11595]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.651509][T11595]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  482.651511][T11595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.651515][T11595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  482.651521][T11595]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.651524][T11595]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  482.651528][T11595]  __sys_sendto (net/socket.c:2281)
[  482.651532][T11595]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  482.651545][T11595]  ? fput_close_sync (fs/file_table.c:617)
[  482.651550][T11595]  ? alloc_file_clone (fs/file_table.c:479)
[  482.651555][T11595]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  482.651557][T11595]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.651562][T11595]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  482.651564][T11595]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  482.651567][T11595]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.651569][T11595]  ? irq_exit_rcu (kernel/softirq.c:786)
[  482.651574][T11595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.651576][T11595] RIP: 0033:0x7f7df1ad2312
[  482.651580][T11595] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  482.651582][T11595] RSP: 002b:00007fff80687828 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  482.651585][T11595] RAX: ffffffffffffffda RBX: 00007fff80687958 RCX: 00007f7df1ad2312
[  482.651587][T11595] RDX: 0000000000000044 RSI: 00007f7def817140 RDI: 0000000000000020
[  482.651588][T11595] RBP: 00007fff80687850 R08: 00007fff806879d0 R09: 000000000000000c
[  482.651589][T11595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7def9360b0
[  482.651590][T11595] R13: 00007fff80687958 R14: 00007f7df13f101a R15: 00007fff80687d48
| [  484.017740][T11627] softirqs last disabled at (398770): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  484.017742][T11627] Preemption disabled at:
| [  484.017743][T11627] vprintk_emit (kernel/printk/printk.c:2471)
| [  484.017753][T11627] Tainted: [W]=WARN
[  484.017754][T11627] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.017756][T11627] Call Trace:
[  484.017758][T11627]  <TASK>
[  484.017759][T11627]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.017766][T11627]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  484.017768][T11627]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.017773][T11627]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.017778][T11627]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  484.017783][T11627]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  484.017785][T11627]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.017793][T11627]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  484.017796][T11627]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.017801][T11627]  put_chars (drivers/char/virtio_console.c:1176)
[  484.017804][T11627]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.017808][T11627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.017811][T11627]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  484.017817][T11627]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.017822][T11627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.017824][T11627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.017829][T11627]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.017834][T11627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.017837][T11627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.017842][T11627]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.017847][T11627]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.017849][T11627]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  484.017853][T11627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.017855][T11627]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.017861][T11627]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.017869][T11627]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.017872][T11627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.017880][T11627]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.017884][T11627]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.017886][T11627]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.017888][T11627]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  484.017893][T11627]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.017895][T11627]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.017899][T11627]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.017903][T11627]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.017909][T11627]  _printk (kernel/printk/printk.c:2504)
[  484.017914][T11627]  ? snapshot_read.cold (user.c:?)
[  484.017917][T11627]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  484.017921][T11627]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  484.017925][T11627]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  484.017927][T11627]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  484.017931][T11627]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  484.017936][T11627]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  484.017939][T11627]  ? netdev_notice (net/core/dev.c:13194)
[  484.017941][T11627]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  484.017952][T11627]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  484.017955][T11627]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  484.017960][T11627]  netif_set_promiscuity (net/core/dev.c:9699)
[  484.017964][T11627]  dev_set_promiscuity (net/core/dev_api.c:288)
[  484.017967][T11627]  ? dev_disable_lro (net/core/dev_api.c:267)
[  484.017969][T11627] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  484.017976][T11627] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  484.017982][T11627] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  484.017987][T11627]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  484.017992][T11627] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  484.017999][T11627]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  484.018003][T11627]  ? __nla_validate_parse (lib/nlattr.c:635)
[  484.018010][T11627]  ? __nla_parse (lib/nlattr.c:732)
[  484.018013][T11627]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  484.018019][T11627]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  484.018023][T11627]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  484.018034][T11627]  ? security_capable (security/security.c:660 (discriminator 11))
[  484.018039][T11627]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  484.018044][T11627]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  484.018047][T11627]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  484.018049][T11627]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  484.018054][T11627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.018061][T11627]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  484.018065][T11627]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  484.018068][T11627]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  484.018072][T11627]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  484.018081][T11627]  ? 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))
[  484.018083][T11627]  ? 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))
[  484.018088][T11627]  genl_rcv (net/netlink/genetlink.c:1218)
[  484.018091][T11627]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  484.018096][T11627]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  484.018100][T11627]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  484.018105][T11627]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  484.018110][T11627]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  484.018112][T11627]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.018115][T11627]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  484.018122][T11627]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  484.018125][T11627]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  484.018130][T11627]  __sys_sendto (net/socket.c:2281)
[  484.018133][T11627]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  484.018147][T11627]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  484.018155][T11627]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  484.018158][T11627]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  484.018162][T11627]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  484.018164][T11627]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  484.018167][T11627]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  484.018169][T11627]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  484.018172][T11627]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  484.018175][T11627] RIP: 0033:0x7f42ee0be312
[  484.018178][T11627] 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)
[  484.018180][T11627] RSP: 002b:00007ffc67e2f2b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  484.018184][T11627] RAX: ffffffffffffffda RBX: 00007ffc67e2f3e8 RCX: 00007f42ee0be312
[  484.018185][T11627] RDX: 0000000000000038 RSI: 00007f42e833a9b0 RDI: 0000000000000023
[  484.018186][T11627] RBP: 00007ffc67e2f2e0 R08: 00007ffc67e2f460 R09: 000000000000000c
[  484.018187][T11627] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f42ebf22190
[  484.018188][T11627] R13: 00007ffc67e2f3e8 R14: 00007f42ed9dd01a R15: 00007ffc67e2f7d8
| [  485.138836][T11654] softirqs last disabled at (381919): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  485.138839][T11654] Preemption disabled at:
| [  485.138840][T11654] vprintk_emit (kernel/printk/printk.c:2471)
| [  485.138849][T11654] Tainted: [W]=WARN
[  485.138850][T11654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  485.138852][T11654] Call Trace:
[  485.138854][T11654]  <TASK>
[  485.138856][T11654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  485.138864][T11654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  485.138867][T11654]  __might_resched.cold (kernel/sched/core.c:9234)
[  485.138873][T11654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  485.138880][T11654]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  485.138886][T11654]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  485.138888][T11654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.138896][T11654]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  485.138900][T11654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.138904][T11654]  put_chars (drivers/char/virtio_console.c:1176)
[  485.138907][T11654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  485.138911][T11654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  485.138914][T11654]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  485.138920][T11654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  485.138925][T11654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.138927][T11654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.138932][T11654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  485.138937][T11654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.138939][T11654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.138944][T11654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  485.138949][T11654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  485.138952][T11654]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  485.138956][T11654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.138958][T11654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.138963][T11654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  485.138968][T11654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  485.138970][T11654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.138977][T11654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  485.138980][T11654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  485.138983][T11654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.138985][T11654]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  485.138989][T11654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  485.138992][T11654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  485.138995][T11654]  vprintk_emit (kernel/printk/printk.c:2479)
[  485.138999][T11654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  485.139005][T11654]  _printk (kernel/printk/printk.c:2504)
[  485.139009][T11654]  ? snapshot_read.cold (user.c:?)
[  485.139013][T11654]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  485.139016][T11654]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  485.139020][T11654]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  485.139022][T11654]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  485.139024][T11654]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  485.139029][T11654]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  485.139033][T11654]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  485.139037][T11654]  ? netdev_notice (net/core/dev.c:13194)
[  485.139039][T11654]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  485.139050][T11654]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  485.139053][T11654]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  485.139057][T11654]  netif_set_promiscuity (net/core/dev.c:9699)
[  485.139061][T11654]  dev_set_promiscuity (net/core/dev_api.c:288)
[  485.139064][T11654]  ? dev_disable_lro (net/core/dev_api.c:267)
[  485.139066][T11654] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  485.139072][T11654] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  485.139078][T11654] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  485.139083][T11654]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  485.139088][T11654] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  485.139095][T11654]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  485.139099][T11654]  ? __nla_validate_parse (lib/nlattr.c:635)
[  485.139106][T11654]  ? __nla_parse (lib/nlattr.c:732)
[  485.139109][T11654]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  485.139115][T11654]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  485.139119][T11654]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  485.139130][T11654]  ? security_capable (security/security.c:660 (discriminator 11))
[  485.139135][T11654]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  485.139139][T11654]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  485.139142][T11654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  485.139145][T11654]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  485.139150][T11654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.139157][T11654]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  485.139161][T11654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  485.139163][T11654]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  485.139167][T11654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  485.139176][T11654]  ? 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))
[  485.139178][T11654]  ? 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))
[  485.139183][T11654]  genl_rcv (net/netlink/genetlink.c:1218)
[  485.139186][T11654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  485.139191][T11654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  485.139195][T11654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  485.139199][T11654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  485.139204][T11654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  485.139206][T11654]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  485.139210][T11654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  485.139216][T11654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  485.139219][T11654]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  485.139224][T11654]  __sys_sendto (net/socket.c:2281)
[  485.139228][T11654]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  485.139234][T11654]  ? do_futex (kernel/futex/syscalls.c:138)
[  485.139238][T11654]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  485.139246][T11654]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  485.139251][T11654]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  485.139254][T11654]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  485.139258][T11654]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  485.139262][T11654]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  485.139265][T11654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  485.139267][T11654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  485.139270][T11654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  485.139273][T11654] RIP: 0033:0x7f145fd47312
[  485.139277][T11654] 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)
[  485.139279][T11654] RSP: 002b:00007ffc47d4dec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  485.139282][T11654] RAX: ffffffffffffffda RBX: 00007ffc47d4dff8 RCX: 00007f145fd47312
[  485.139283][T11654] RDX: 0000000000000038 RSI: 00007f144d743c30 RDI: 0000000000000023
[  485.139284][T11654] RBP: 00007ffc47d4def0 R08: 00007ffc47d4e070 R09: 000000000000000c
[  485.139285][T11654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f145dbae190
[  485.139286][T11654] R13: 00007ffc47d4dff8 R14: 00007f145f66601a R15: 00007ffc47d4e3e8
| [  494.798022][   T70] softirqs last disabled at (10246032): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  494.798025][   T70] Preemption disabled at:
| [  494.798025][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  494.798035][   T70] Tainted: [W]=WARN
[  494.798036][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  494.798038][   T70] Workqueue: netns cleanup_net
[  494.798042][   T70] Call Trace:
[  494.798044][   T70]  <TASK>
[  494.798046][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  494.798052][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  494.798054][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  494.798059][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  494.798063][   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)
[  494.798068][   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))
[  494.798071][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.798078][   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)
[  494.798082][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.798086][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  494.798088][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  494.798091][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  494.798094][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  494.798098][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  494.798101][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  494.798106][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  494.798111][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  494.798113][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.798115][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.798120][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  494.798123][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  494.798127][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.798129][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.798134][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  494.798139][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  494.798141][   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))
[  494.798145][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.798147][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.798152][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  494.798158][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  494.798160][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  494.798167][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  494.798170][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  494.798172][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.798174][   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)
[  494.798178][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  494.798181][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  494.798184][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  494.798188][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  494.798191][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  494.798193][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  494.798203][   T70]  _printk (kernel/printk/printk.c:2504)
[  494.798207][   T70]  ? snapshot_read.cold (user.c:?)
[  494.798213][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  494.798217][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  494.798222][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  494.798225][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  494.798227][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  494.798232][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  494.798238][   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)
[  494.798241][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  494.798246][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  494.798250][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  494.798252][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  494.798256][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  494.798263][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  494.798268][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.798271][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  494.798278][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  494.798284][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  494.798294][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  494.798298][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  494.798301][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  494.798304][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  494.798309][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  494.798313][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  494.798318][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  494.798320][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  494.798323][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  494.798329][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  494.798333][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  494.798338][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.798340][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.798344][   T70]  process_one_work (kernel/workqueue.c:3387)
[  494.798352][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  494.798356][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  494.798366][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  494.798371][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  494.798373][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  494.798376][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  494.798380][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  494.798382][   T70]  kthread (kernel/kthread.c:436)
[  494.798384][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  494.798388][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  494.798392][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  494.798396][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  494.798400][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  494.798404][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  494.798408][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  496.963530][T11867] softirqs last disabled at (377732): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  496.963532][T11867] Preemption disabled at:
| [  496.963533][T11867] vprintk_emit (kernel/printk/printk.c:2471)
| [  496.963542][T11867] Tainted: [W]=WARN
[  496.963543][T11867] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  496.963545][T11867] Call Trace:
[  496.963547][T11867]  <TASK>
[  496.963549][T11867]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  496.963555][T11867]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  496.963557][T11867]  __might_resched.cold (kernel/sched/core.c:9234)
[  496.963562][T11867]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  496.963567][T11867]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  496.963572][T11867]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  496.963575][T11867]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.963590][T11867]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  496.963594][T11867]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.963598][T11867]  put_chars (drivers/char/virtio_console.c:1176)
[  496.963601][T11867]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  496.963602][T11867]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  496.963607][T11867]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  496.963613][T11867]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  496.963623][T11867]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  496.963626][T11867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.963628][T11867]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.963633][T11867]  console_emit_next_record (kernel/printk/printk.c:3183)
[  496.963638][T11867]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  496.963641][T11867]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  496.963645][T11867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.963647][T11867]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.963652][T11867]  console_flush_one_record (kernel/printk/printk.c:3268)
[  496.963657][T11867]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  496.963659][T11867]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.963666][T11867]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  496.963669][T11867]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  496.963671][T11867]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.963674][T11867]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  496.963678][T11867]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  496.963680][T11867]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  496.963684][T11867]  vprintk_emit (kernel/printk/printk.c:2479)
[  496.963687][T11867]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  496.963691][T11867]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  496.963698][T11867]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  496.963706][T11867]  _printk (kernel/printk/printk.c:2504)
[  496.963711][T11867]  ? snapshot_read.cold (user.c:?)
[  496.963716][T11867]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  496.963720][T11867]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  496.963725][T11867]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  496.963728][T11867]  ? netdev_notice (net/core/dev.c:13194)
[  496.963730][T11867]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  496.963735][T11867]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  496.963742][T11867]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  496.963745][T11867]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  496.963749][T11867]  netif_set_promiscuity (net/core/dev.c:9699)
[  496.963753][T11867]  dev_set_promiscuity (net/core/dev_api.c:288)
[  496.963756][T11867]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  496.963760][T11867] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  496.963764][T11867]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  496.963768][T11867] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  496.963774][T11867] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  496.963783][T11867]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  496.963788][T11867]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  496.963798][T11867]  ? security_capable (security/security.c:660 (discriminator 11))
[  496.963803][T11867]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  496.963808][T11867]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  496.963811][T11867]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  496.963814][T11867]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  496.963819][T11867]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.963826][T11867]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  496.963830][T11867]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  496.963832][T11867]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  496.963837][T11867]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  496.963846][T11867]  ? 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))
[  496.963848][T11867]  ? 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))
[  496.963853][T11867]  genl_rcv (net/netlink/genetlink.c:1218)
[  496.963855][T11867]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  496.963860][T11867]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  496.963866][T11867]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  496.963870][T11867]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  496.963876][T11867]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  496.963877][T11867]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.963881][T11867]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  496.963887][T11867]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  496.963890][T11867]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  496.963895][T11867]  __sys_sendto (net/socket.c:2281)
[  496.963899][T11867]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  496.963912][T11867]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  496.963920][T11867]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  496.963923][T11867]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  496.963927][T11867]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  496.963928][T11867]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  496.963931][T11867]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  496.963933][T11867]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  496.963936][T11867]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  496.963939][T11867] RIP: 0033:0x7eff57bb3312
[  496.963943][T11867] 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)
[  496.963945][T11867] RSP: 002b:00007ffc2e37e0a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  496.963948][T11867] RAX: ffffffffffffffda RBX: 00007ffc2e37e1d8 RCX: 00007eff57bb3312
[  496.963949][T11867] RDX: 0000000000000028 RSI: 00007eff477f93b0 RDI: 0000000000000023
[  496.963950][T11867] RBP: 00007ffc2e37e0d0 R08: 00007ffc2e37e250 R09: 000000000000000c
[  496.963951][T11867] R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff55a19fd0
[  496.963952][T11867] R13: 00007ffc2e37e1d8 R14: 00007eff574d201a R15: 00007ffc2e37e5c8
| [  501.500940][T11975] softirqs last disabled at (389350): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  501.500943][T11975] Preemption disabled at:
| [  501.500944][T11975] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.500953][T11975] Tainted: [W]=WARN
[  501.500955][T11975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.500956][T11975] Call Trace:
[  501.500958][T11975]  <TASK>
[  501.500960][T11975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.500967][T11975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.500969][T11975]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.500973][T11975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.500978][T11975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  501.500983][T11975]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  501.500986][T11975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.500993][T11975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  501.500996][T11975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.501000][T11975]  put_chars (drivers/char/virtio_console.c:1176)
[  501.501003][T11975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.501007][T11975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  501.501010][T11975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.501013][T11975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  501.501018][T11975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.501023][T11975]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  501.501025][T11975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.501027][T11975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.501032][T11975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.501034][T11975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  501.501040][T11975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.501045][T11975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.501049][T11975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.501052][T11975]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  501.501056][T11975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.501058][T11975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.501063][T11975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.501068][T11975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.501070][T11975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.501077][T11975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.501080][T11975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.501083][T11975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.501085][T11975]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  501.501089][T11975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.501091][T11975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.501095][T11975]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.501099][T11975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.501101][T11975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.501103][T11975]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  501.501109][T11975]  _printk (kernel/printk/printk.c:2504)
[  501.501113][T11975]  ? snapshot_read.cold (user.c:?)
[  501.501115][T11975]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  501.501122][T11975]  ? idr_get_free (??:?)
[  501.501127][T11975]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  501.501138][T11975]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.501145][T11975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.501147][T11975]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  501.501152][T11975]  __nla_validate_parse (lib/nlattr.c:635)
[  501.501158][T11975]  __nla_parse (lib/nlattr.c:732)
[  501.501161][T11975]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  501.501167][T11975]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  501.501171][T11975]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  501.501181][T11975]  ? security_capable (security/security.c:660 (discriminator 11))
[  501.501186][T11975]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  501.501191][T11975]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  501.501194][T11975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  501.501197][T11975]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  501.501206][T11975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.501213][T11975]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  501.501217][T11975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.501219][T11975]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  501.501223][T11975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.501232][T11975]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  501.501234][T11975]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  501.501239][T11975]  genl_rcv (net/netlink/genetlink.c:1218)
[  501.501242][T11975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.501247][T11975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.501251][T11975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  501.501255][T11975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.501261][T11975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.501262][T11975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  501.501266][T11975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  501.501272][T11975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.501275][T11975]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  501.501280][T11975]  __sys_sendto (net/socket.c:2281)
[  501.501283][T11975]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  501.501297][T11975]  ? fput_close_sync (fs/file_table.c:617)
[  501.501301][T11975]  ? alloc_file_clone (fs/file_table.c:479)
[  501.501306][T11975]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  501.501308][T11975]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  501.501312][T11975]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  501.501315][T11975]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  501.501318][T11975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.501320][T11975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.501323][T11975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.501325][T11975] RIP: 0033:0x7f3a1ed95312
[  501.501329][T11975] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  501.501331][T11975] RSP: 002b:00007ffe032ad7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  501.501334][T11975] RAX: ffffffffffffffda RBX: 00007ffe032ad8f8 RCX: 00007f3a1ed95312
[  501.501336][T11975] RDX: 0000000000000044 RSI: 00007f3a1c15f000 RDI: 0000000000000020
[  501.501337][T11975] RBP: 00007ffe032ad7f0 R08: 00007ffe032ad970 R09: 000000000000000c
[  501.501338][T11975] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a1cbf20b0
[  501.501339][T11975] R13: 00007ffe032ad8f8 R14: 00007f3a1e6b401a R15: 00007ffe032adce8
| [  503.195997][T12007] softirqs last disabled at (406164): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  503.196000][T12007] Preemption disabled at:
| [  503.196000][T12007] vprintk_emit (kernel/printk/printk.c:2471)
| [  503.196009][T12007] Tainted: [W]=WARN
[  503.196011][T12007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  503.196013][T12007] Call Trace:
[  503.196014][T12007]  <TASK>
[  503.196016][T12007]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  503.196023][T12007]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  503.196025][T12007]  __might_resched.cold (kernel/sched/core.c:9234)
[  503.196030][T12007]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  503.196035][T12007]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  503.196040][T12007]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  503.196042][T12007]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.196050][T12007]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  503.196053][T12007]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.196057][T12007]  put_chars (drivers/char/virtio_console.c:1176)
[  503.196060][T12007]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  503.196064][T12007]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  503.196068][T12007]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  503.196073][T12007]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  503.196077][T12007]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.196079][T12007]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.196085][T12007]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  503.196090][T12007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.196092][T12007]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.196097][T12007]  console_emit_next_record (kernel/printk/printk.c:3183)
[  503.196102][T12007]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  503.196104][T12007]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  503.196108][T12007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.196111][T12007]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.196116][T12007]  console_flush_one_record (kernel/printk/printk.c:3268)
[  503.196121][T12007]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  503.196123][T12007]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.196130][T12007]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  503.196133][T12007]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  503.196135][T12007]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.196138][T12007]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  503.196142][T12007]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  503.196144][T12007]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  503.196148][T12007]  vprintk_emit (kernel/printk/printk.c:2479)
[  503.196151][T12007]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  503.196158][T12007]  _printk (kernel/printk/printk.c:2504)
[  503.196162][T12007]  ? snapshot_read.cold (user.c:?)
[  503.196166][T12007]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  503.196169][T12007]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  503.196173][T12007]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  503.196175][T12007]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  503.196180][T12007]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  503.196184][T12007]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  503.196188][T12007]  ? netdev_notice (net/core/dev.c:13194)
[  503.196190][T12007]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  503.196201][T12007]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  503.196204][T12007]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  503.196208][T12007]  netif_set_promiscuity (net/core/dev.c:9699)
[  503.196212][T12007]  dev_set_promiscuity (net/core/dev_api.c:288)
[  503.196215][T12007]  ? dev_disable_lro (net/core/dev_api.c:267)
[  503.196217][T12007] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  503.196224][T12007] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  503.196230][T12007] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  503.196234][T12007]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  503.196240][T12007] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  503.196247][T12007]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  503.196251][T12007]  ? __nla_validate_parse (lib/nlattr.c:635)
[  503.196258][T12007]  ? __nla_parse (lib/nlattr.c:732)
[  503.196261][T12007]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  503.196267][T12007]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  503.196272][T12007]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  503.196282][T12007]  ? security_capable (security/security.c:660 (discriminator 11))
[  503.196288][T12007]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  503.196292][T12007]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  503.196295][T12007]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  503.196297][T12007]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  503.196302][T12007]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.196309][T12007]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  503.196313][T12007]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  503.196316][T12007]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  503.196320][T12007]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  503.196329][T12007]  ? 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))
[  503.196331][T12007]  ? 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))
[  503.196336][T12007]  genl_rcv (net/netlink/genetlink.c:1218)
[  503.196339][T12007]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  503.196344][T12007]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  503.196346][T12007]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  503.196351][T12007]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  503.196356][T12007]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  503.196361][T12007]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  503.196363][T12007]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  503.196366][T12007]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  503.196373][T12007]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  503.196376][T12007]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  503.196380][T12007]  __sys_sendto (net/socket.c:2281)
[  503.196384][T12007]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  503.196398][T12007]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  503.196405][T12007]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  503.196408][T12007]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  503.196412][T12007]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  503.196413][T12007]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  503.196416][T12007]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  503.196418][T12007]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  503.196421][T12007]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  503.196424][T12007] RIP: 0033:0x7fe16533e312
[  503.196427][T12007] 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)
[  503.196430][T12007] RSP: 002b:00007ffcf9c02508 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  503.196433][T12007] RAX: ffffffffffffffda RBX: 00007ffcf9c02638 RCX: 00007fe16533e312
[  503.196434][T12007] RDX: 0000000000000038 RSI: 00007fe160f6eb30 RDI: 0000000000000023
[  503.196435][T12007] RBP: 00007ffcf9c02530 R08: 00007ffcf9c026b0 R09: 000000000000000c
[  503.196436][T12007] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe1631a2190
[  503.196437][T12007] R13: 00007ffcf9c02638 R14: 00007fe164c5d01a R15: 00007ffcf9c02a28
| [  504.400203][T12034] softirqs last disabled at (392650): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  504.400205][T12034] Preemption disabled at:
| [  504.400206][T12034] vprintk_emit (kernel/printk/printk.c:2471)
| [  504.400215][T12034] Tainted: [W]=WARN
[  504.400217][T12034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  504.400218][T12034] Call Trace:
[  504.400220][T12034]  <TASK>
[  504.400222][T12034]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  504.400229][T12034]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  504.400231][T12034]  __might_resched.cold (kernel/sched/core.c:9234)
[  504.400236][T12034]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  504.400241][T12034]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  504.400246][T12034]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  504.400248][T12034]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  504.400257][T12034]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  504.400260][T12034]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  504.400265][T12034]  put_chars (drivers/char/virtio_console.c:1176)
[  504.400268][T12034]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  504.400272][T12034]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  504.400275][T12034]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  504.400281][T12034]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  504.400285][T12034]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  504.400287][T12034]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  504.400293][T12034]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  504.400297][T12034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.400300][T12034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.400305][T12034]  console_emit_next_record (kernel/printk/printk.c:3183)
[  504.400310][T12034]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  504.400312][T12034]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  504.400316][T12034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.400318][T12034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.400323][T12034]  console_flush_one_record (kernel/printk/printk.c:3268)
[  504.400329][T12034]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  504.400331][T12034]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  504.400338][T12034]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  504.400342][T12034]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  504.400344][T12034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.400346][T12034]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  504.400351][T12034]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  504.400353][T12034]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  504.400356][T12034]  vprintk_emit (kernel/printk/printk.c:2479)
[  504.400360][T12034]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  504.400367][T12034]  _printk (kernel/printk/printk.c:2504)
[  504.400371][T12034]  ? snapshot_read.cold (user.c:?)
[  504.400374][T12034]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  504.400378][T12034]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  504.400381][T12034]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  504.400384][T12034]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  504.400386][T12034]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  504.400390][T12034]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  504.400395][T12034]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  504.400398][T12034]  ? netdev_notice (net/core/dev.c:13194)
[  504.400400][T12034]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  504.400411][T12034]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  504.400414][T12034]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  504.400419][T12034]  netif_set_promiscuity (net/core/dev.c:9699)
[  504.400423][T12034]  dev_set_promiscuity (net/core/dev_api.c:288)
[  504.400425][T12034]  ? dev_disable_lro (net/core/dev_api.c:267)
[  504.400428][T12034] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  504.400434][T12034] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  504.400440][T12034] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  504.400445][T12034]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  504.400450][T12034] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  504.400457][T12034]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  504.400461][T12034]  ? __nla_validate_parse (lib/nlattr.c:635)
[  504.400468][T12034]  ? __nla_parse (lib/nlattr.c:732)
[  504.400473][T12034]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  504.400482][T12034]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  504.400488][T12034]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  504.400499][T12034]  ? security_capable (security/security.c:660 (discriminator 11))
[  504.400504][T12034]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  504.400509][T12034]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  504.400512][T12034]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  504.400514][T12034]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  504.400519][T12034]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  504.400526][T12034]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  504.400530][T12034]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  504.400532][T12034]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  504.400537][T12034]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  504.400546][T12034]  ? 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))
[  504.400548][T12034]  ? 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))
[  504.400553][T12034]  genl_rcv (net/netlink/genetlink.c:1218)
[  504.400556][T12034]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  504.400561][T12034]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  504.400565][T12034]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  504.400570][T12034]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  504.400575][T12034]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  504.400577][T12034]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  504.400580][T12034]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  504.400587][T12034]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  504.400590][T12034]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  504.400594][T12034]  __sys_sendto (net/socket.c:2281)
[  504.400598][T12034]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  504.400605][T12034]  ? do_futex (kernel/futex/syscalls.c:138)
[  504.400609][T12034]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  504.400617][T12034]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  504.400631][T12034]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  504.400634][T12034]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  504.400638][T12034]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  504.400641][T12034]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  504.400644][T12034]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  504.400646][T12034]  ? preempt_count_add (./include/linux/ftrace.h:1177 kernel/sched/core.c:5970 kernel/sched/core.c:5967 kernel/sched/core.c:6000)
[  504.400650][T12034]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  504.400653][T12034] RIP: 0033:0x7fc1d655c312
[  504.400657][T12034] 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)
[  504.400659][T12034] RSP: 002b:00007ffcdfda13f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  504.400662][T12034] RAX: ffffffffffffffda RBX: 00007ffcdfda1528 RCX: 00007fc1d655c312
[  504.400663][T12034] RDX: 0000000000000038 RSI: 00007fc1b3f72430 RDI: 0000000000000023
[  504.400665][T12034] RBP: 00007ffcdfda1420 R08: 00007ffcdfda15a0 R09: 000000000000000c
[  504.400666][T12034] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1d43ca190
[  504.400667][T12034] R13: 00007ffcdfda1528 R14: 00007fc1d5e7b01a R15: 00007ffcdfda1918
| [  514.209040][   T70] softirqs last disabled at (10438844): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  514.209042][   T70] Preemption disabled at:
| [  514.209043][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  514.209052][   T70] Tainted: [W]=WARN
[  514.209053][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  514.209055][   T70] Workqueue: netns cleanup_net
[  514.209058][   T70] Call Trace:
[  514.209060][   T70]  <TASK>
[  514.209062][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  514.209069][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  514.209071][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  514.209076][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  514.209080][   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)
[  514.209085][   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))
[  514.209088][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  514.209095][   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)
[  514.209098][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  514.209102][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  514.209104][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  514.209107][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  514.209111][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  514.209114][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  514.209117][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  514.209122][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  514.209127][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  514.209129][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  514.209131][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  514.209136][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  514.209139][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  514.209143][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.209146][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.209150][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  514.209155][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  514.209157][   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))
[  514.209161][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.209163][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.209168][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  514.209173][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  514.209176][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  514.209182][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  514.209186][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  514.209188][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.209190][   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)
[  514.209194][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  514.209196][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  514.209199][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  514.209204][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  514.209207][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  514.209209][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  514.209219][   T70]  _printk (kernel/printk/printk.c:2504)
[  514.209223][   T70]  ? snapshot_read.cold (user.c:?)
[  514.209229][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  514.209233][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  514.209238][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  514.209241][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  514.209243][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  514.209248][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  514.209254][   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)
[  514.209257][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  514.209261][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  514.209265][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  514.209267][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  514.209271][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  514.209278][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  514.209283][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.209285][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  514.209292][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  514.209298][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  514.209308][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  514.209312][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  514.209315][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  514.209317][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  514.209323][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  514.209327][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  514.209331][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  514.209333][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  514.209337][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  514.209342][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  514.209346][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  514.209352][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  514.209355][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  514.209359][   T70]  process_one_work (kernel/workqueue.c:3387)
[  514.209367][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  514.209371][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  514.209380][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  514.209385][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  514.209388][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  514.209391][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  514.209394][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  514.209396][   T70]  kthread (kernel/kthread.c:436)
[  514.209399][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  514.209403][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  514.209406][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  514.209411][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  514.209415][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  514.209419][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  514.209423][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  516.416751][T12248] softirqs last disabled at (366756): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  516.416753][T12248] Preemption disabled at:
| [  516.416754][T12248] vprintk_emit (kernel/printk/printk.c:2471)
| [  516.416763][T12248] Tainted: [W]=WARN
[  516.416764][T12248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  516.416766][T12248] Call Trace:
[  516.416767][T12248]  <TASK>
[  516.416769][T12248]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  516.416776][T12248]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  516.416778][T12248]  __might_resched.cold (kernel/sched/core.c:9234)
[  516.416783][T12248]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  516.416788][T12248]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  516.416793][T12248]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  516.416796][T12248]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  516.416803][T12248]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  516.416806][T12248]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  516.416811][T12248]  put_chars (drivers/char/virtio_console.c:1176)
[  516.416814][T12248]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  516.416816][T12248]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  516.416820][T12248]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  516.416826][T12248]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  516.416836][T12248]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  516.416839][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.416841][T12248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  516.416846][T12248]  console_emit_next_record (kernel/printk/printk.c:3183)
[  516.416851][T12248]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  516.416853][T12248]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  516.416857][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.416859][T12248]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  516.416865][T12248]  console_flush_one_record (kernel/printk/printk.c:3268)
[  516.416870][T12248]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  516.416872][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  516.416879][T12248]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  516.416882][T12248]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  516.416884][T12248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.416887][T12248]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  516.416891][T12248]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  516.416893][T12248]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  516.416897][T12248]  vprintk_emit (kernel/printk/printk.c:2479)
[  516.416901][T12248]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  516.416904][T12248]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  516.416907][T12248]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  516.416916][T12248]  _printk (kernel/printk/printk.c:2504)
[  516.416920][T12248]  ? snapshot_read.cold (user.c:?)
[  516.416926][T12248]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  516.416930][T12248]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  516.416935][T12248]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  516.416938][T12248]  ? netdev_notice (net/core/dev.c:13194)
[  516.416940][T12248]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  516.416945][T12248]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  516.416952][T12248]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  516.416955][T12248]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  516.416959][T12248]  netif_set_promiscuity (net/core/dev.c:9699)
[  516.416964][T12248]  dev_set_promiscuity (net/core/dev_api.c:288)
[  516.416966][T12248]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  516.416970][T12248] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  516.416975][T12248]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  516.416979][T12248] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  516.416985][T12248] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  516.416994][T12248]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  516.416998][T12248]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  516.417008][T12248]  ? security_capable (security/security.c:660 (discriminator 11))
[  516.417013][T12248]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  516.417018][T12248]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  516.417021][T12248]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  516.417024][T12248]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  516.417029][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  516.417036][T12248]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  516.417040][T12248]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  516.417043][T12248]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  516.417047][T12248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  516.417056][T12248]  ? 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))
[  516.417058][T12248]  ? 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))
[  516.417064][T12248]  genl_rcv (net/netlink/genetlink.c:1218)
[  516.417066][T12248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  516.417071][T12248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  516.417076][T12248]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  516.417080][T12248]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  516.417085][T12248]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  516.417087][T12248]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  516.417091][T12248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  516.417097][T12248]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  516.417100][T12248]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  516.417104][T12248]  __sys_sendto (net/socket.c:2281)
[  516.417108][T12248]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  516.417122][T12248]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  516.417129][T12248]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  516.417132][T12248]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  516.417136][T12248]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  516.417138][T12248]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  516.417141][T12248]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  516.417143][T12248]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  516.417146][T12248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  516.417149][T12248] RIP: 0033:0x7f39997c6312
[  516.417152][T12248] 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)
[  516.417155][T12248] RSP: 002b:00007fff554fcc98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  516.417157][T12248] RAX: ffffffffffffffda RBX: 00007fff554fcdc8 RCX: 00007f39997c6312
[  516.417159][T12248] RDX: 0000000000000028 RSI: 00007f39953f0930 RDI: 0000000000000023
[  516.417160][T12248] RBP: 00007fff554fccc0 R08: 00007fff554fce40 R09: 000000000000000c
[  516.417161][T12248] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3997629fd0
[  516.417162][T12248] R13: 00007fff554fcdc8 R14: 00007f39990e501a R15: 00007fff554fd1b8
| [  521.860900][T12368] softirqs last disabled at (386962): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  521.860903][T12368] Preemption disabled at:
| [  521.860903][T12368] vprintk_emit (kernel/printk/printk.c:2471)
| [  521.860912][T12368] Tainted: [W]=WARN
[  521.860914][T12368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  521.860915][T12368] Call Trace:
[  521.860917][T12368]  <TASK>
[  521.860918][T12368]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  521.860925][T12368]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  521.860927][T12368]  __might_resched.cold (kernel/sched/core.c:9234)
[  521.860932][T12368]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  521.860937][T12368]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  521.860942][T12368]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  521.860944][T12368]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  521.860952][T12368]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  521.860955][T12368]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  521.860960][T12368]  put_chars (drivers/char/virtio_console.c:1176)
[  521.860962][T12368]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  521.860966][T12368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  521.860969][T12368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  521.860972][T12368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  521.860977][T12368]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  521.860981][T12368]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  521.860984][T12368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  521.860986][T12368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  521.860991][T12368]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  521.860993][T12368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  521.860998][T12368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.861003][T12368]  console_emit_next_record (kernel/printk/printk.c:3183)
[  521.861008][T12368]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  521.861010][T12368]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  521.861014][T12368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.861016][T12368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  521.861021][T12368]  console_flush_one_record (kernel/printk/printk.c:3268)
[  521.861026][T12368]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  521.861028][T12368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  521.861035][T12368]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  521.861038][T12368]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  521.861040][T12368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.861042][T12368]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  521.861047][T12368]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  521.861049][T12368]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  521.861052][T12368]  vprintk_emit (kernel/printk/printk.c:2479)
[  521.861056][T12368]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  521.861059][T12368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  521.861061][T12368]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  521.861066][T12368]  _printk (kernel/printk/printk.c:2504)
[  521.861070][T12368]  ? snapshot_read.cold (user.c:?)
[  521.861072][T12368]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  521.861079][T12368]  ? idr_get_free (??:?)
[  521.861085][T12368]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  521.861095][T12368]  ? nla_get_range_signed (lib/nlattr.c:270)
[  521.861102][T12368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  521.861104][T12368]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  521.861109][T12368]  __nla_validate_parse (lib/nlattr.c:635)
[  521.861115][T12368]  __nla_parse (lib/nlattr.c:732)
[  521.861118][T12368]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  521.861124][T12368]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  521.861128][T12368]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  521.861138][T12368]  ? security_capable (security/security.c:660 (discriminator 11))
[  521.861143][T12368]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  521.861147][T12368]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  521.861150][T12368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  521.861153][T12368]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  521.861162][T12368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  521.861168][T12368]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  521.861172][T12368]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  521.861174][T12368]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  521.861179][T12368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  521.861187][T12368]  ? 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))
[  521.861189][T12368]  ? 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))
[  521.861194][T12368]  genl_rcv (net/netlink/genetlink.c:1218)
[  521.861196][T12368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  521.861201][T12368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  521.861205][T12368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  521.861210][T12368]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  521.861214][T12368]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  521.861216][T12368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  521.861220][T12368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  521.861226][T12368]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  521.861229][T12368]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  521.861233][T12368]  __sys_sendto (net/socket.c:2281)
[  521.861237][T12368]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  521.861244][T12368]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  521.861253][T12368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  521.861258][T12368]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  521.861260][T12368]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  521.861264][T12368]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  521.861267][T12368]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  521.861269][T12368]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  521.861271][T12368]  ? irq_exit_rcu (kernel/softirq.c:786)
[  521.861276][T12368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  521.861278][T12368] RIP: 0033:0x7efebe9d3312
[  521.861282][T12368] 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)
[  521.861284][T12368] RSP: 002b:00007ffd722b6af8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  521.861287][T12368] RAX: ffffffffffffffda RBX: 00007ffd722b6c28 RCX: 00007efebe9d3312
[  521.861288][T12368] RDX: 0000000000000044 RSI: 00007efebc71bc30 RDI: 0000000000000020
[  521.861289][T12368] RBP: 00007ffd722b6b20 R08: 00007ffd722b6ca0 R09: 000000000000000c
[  521.861290][T12368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efebc83a0b0
[  521.861291][T12368] R13: 00007ffd722b6c28 R14: 00007efebe2f201a R15: 00007ffd722b7018
| [  523.283558][T12401] softirqs last disabled at (386296): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  523.283560][T12401] Preemption disabled at:
| [  523.283561][T12401] vprintk_emit (kernel/printk/printk.c:2471)
| [  523.283570][T12401] Tainted: [W]=WARN
[  523.283571][T12401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  523.283573][T12401] Call Trace:
[  523.283574][T12401]  <TASK>
[  523.283576][T12401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  523.283583][T12401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  523.283585][T12401]  __might_resched.cold (kernel/sched/core.c:9234)
[  523.283590][T12401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  523.283595][T12401]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  523.283600][T12401]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  523.283602][T12401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.283610][T12401]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  523.283613][T12401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.283618][T12401]  put_chars (drivers/char/virtio_console.c:1176)
[  523.283621][T12401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  523.283625][T12401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  523.283628][T12401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  523.283634][T12401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  523.283639][T12401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.283641][T12401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.283647][T12401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  523.283651][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.283654][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.283659][T12401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  523.283664][T12401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  523.283666][T12401]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  523.283670][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.283672][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.283677][T12401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  523.283682][T12401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  523.283685][T12401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.283696][T12401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  523.283699][T12401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  523.283701][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.283704][T12401]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  523.283708][T12401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  523.283710][T12401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  523.283714][T12401]  vprintk_emit (kernel/printk/printk.c:2479)
[  523.283718][T12401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  523.283725][T12401]  _printk (kernel/printk/printk.c:2504)
[  523.283737][T12401]  ? snapshot_read.cold (user.c:?)
[  523.283740][T12401]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  523.283744][T12401]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  523.283748][T12401]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  523.283750][T12401]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  523.283755][T12401]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  523.283760][T12401]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  523.283763][T12401]  ? netdev_notice (net/core/dev.c:13194)
[  523.283765][T12401]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  523.283776][T12401]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  523.283779][T12401]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  523.283784][T12401]  netif_set_promiscuity (net/core/dev.c:9699)
[  523.283788][T12401]  dev_set_promiscuity (net/core/dev_api.c:288)
[  523.283790][T12401]  ? dev_disable_lro (net/core/dev_api.c:267)
[  523.283793][T12401] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  523.283800][T12401] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  523.283805][T12401] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  523.283810][T12401]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  523.283815][T12401] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  523.283822][T12401]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  523.283826][T12401]  ? __nla_validate_parse (lib/nlattr.c:635)
[  523.283833][T12401]  ? __nla_parse (lib/nlattr.c:732)
[  523.283836][T12401]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  523.283842][T12401]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  523.283846][T12401]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  523.283856][T12401]  ? security_capable (security/security.c:660 (discriminator 11))
[  523.283862][T12401]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  523.283866][T12401]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  523.283869][T12401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  523.283871][T12401]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  523.283876][T12401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.283883][T12401]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  523.283887][T12401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  523.283890][T12401]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  523.283894][T12401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  523.283903][T12401]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  523.283905][T12401]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  523.283910][T12401]  genl_rcv (net/netlink/genetlink.c:1218)
[  523.283913][T12401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  523.283918][T12401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  523.283922][T12401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  523.283927][T12401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  523.283932][T12401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  523.283934][T12401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  523.283938][T12401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  523.283944][T12401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  523.283947][T12401]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  523.283951][T12401]  __sys_sendto (net/socket.c:2281)
[  523.283955][T12401]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  523.283969][T12401]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  523.283977][T12401]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  523.283979][T12401]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  523.283983][T12401]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  523.283985][T12401]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  523.283988][T12401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  523.283990][T12401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  523.283993][T12401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.283996][T12401] RIP: 0033:0x7f21373a6312
[  523.283999][T12401] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  523.284002][T12401] RSP: 002b:00007ffdd4b21e28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  523.284004][T12401] RAX: ffffffffffffffda RBX: 00007ffdd4b21f58 RCX: 00007f21373a6312
[  523.284006][T12401] RDX: 0000000000000038 RSI: 00007f212ce0b130 RDI: 0000000000000023
[  523.284007][T12401] RBP: 00007ffdd4b21e50 R08: 00007ffdd4b21fd0 R09: 000000000000000c
[  523.284008][T12401] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f213520a190
[  523.284009][T12401] R13: 00007ffdd4b21f58 R14: 00007f2136cc501a R15: 00007ffdd4b22348
| [  524.531761][T12428] softirqs last disabled at (374682): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  524.531763][T12428] Preemption disabled at:
| [  524.531764][T12428] vprintk_emit (kernel/printk/printk.c:2471)
| [  524.531773][T12428] Tainted: [W]=WARN
[  524.531774][T12428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  524.531776][T12428] Call Trace:
[  524.531778][T12428]  <TASK>
[  524.531779][T12428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  524.531786][T12428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  524.531788][T12428]  __might_resched.cold (kernel/sched/core.c:9234)
[  524.531793][T12428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  524.531798][T12428]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  524.531803][T12428]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  524.531805][T12428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.531813][T12428]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  524.531816][T12428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  524.531821][T12428]  put_chars (drivers/char/virtio_console.c:1176)
[  524.531823][T12428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  524.531827][T12428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  524.531831][T12428]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  524.531836][T12428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  524.531841][T12428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.531843][T12428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.531849][T12428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  524.531853][T12428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.531856][T12428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.531862][T12428]  console_emit_next_record (kernel/printk/printk.c:3183)
[  524.531869][T12428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  524.531872][T12428]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  524.531877][T12428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.531880][T12428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  524.531885][T12428]  console_flush_one_record (kernel/printk/printk.c:3268)
[  524.531890][T12428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  524.531892][T12428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.531899][T12428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  524.531903][T12428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  524.531905][T12428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  524.531907][T12428]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  524.531912][T12428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  524.531914][T12428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  524.531917][T12428]  vprintk_emit (kernel/printk/printk.c:2479)
[  524.531921][T12428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  524.531927][T12428]  _printk (kernel/printk/printk.c:2504)
[  524.531932][T12428]  ? snapshot_read.cold (user.c:?)
[  524.531935][T12428]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  524.531939][T12428]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  524.531942][T12428]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  524.531945][T12428]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  524.531947][T12428]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  524.531951][T12428]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  524.531956][T12428]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  524.531959][T12428]  ? netdev_notice (net/core/dev.c:13194)
[  524.531961][T12428]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  524.531973][T12428]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  524.531976][T12428]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  524.531981][T12428]  netif_set_promiscuity (net/core/dev.c:9699)
[  524.531985][T12428]  dev_set_promiscuity (net/core/dev_api.c:288)
[  524.531987][T12428]  ? dev_disable_lro (net/core/dev_api.c:267)
[  524.531990][T12428] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  524.531996][T12428] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  524.532002][T12428] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  524.532007][T12428]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  524.532012][T12428] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  524.532019][T12428]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  524.532023][T12428]  ? __nla_validate_parse (lib/nlattr.c:635)
[  524.532030][T12428]  ? __nla_parse (lib/nlattr.c:732)
[  524.532033][T12428]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  524.532039][T12428]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  524.532043][T12428]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  524.532054][T12428]  ? security_capable (security/security.c:660 (discriminator 11))
[  524.532059][T12428]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  524.532064][T12428]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  524.532067][T12428]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  524.532069][T12428]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  524.532074][T12428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.532081][T12428]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  524.532085][T12428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  524.532088][T12428]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  524.532092][T12428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  524.532101][T12428]  ? 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))
[  524.532103][T12428]  ? 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))
[  524.532108][T12428]  genl_rcv (net/netlink/genetlink.c:1218)
[  524.532110][T12428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  524.532115][T12428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  524.532120][T12428]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  524.532124][T12428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  524.532129][T12428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  524.532131][T12428]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  524.532135][T12428]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  524.532141][T12428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  524.532145][T12428]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  524.532149][T12428]  __sys_sendto (net/socket.c:2281)
[  524.532153][T12428]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  524.532159][T12428]  ? do_futex (kernel/futex/syscalls.c:138)
[  524.532163][T12428]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  524.532171][T12428]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  524.532175][T12428]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  524.532179][T12428]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  524.532182][T12428]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  524.532186][T12428]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  524.532188][T12428]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  524.532190][T12428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  524.532193][T12428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  524.532196][T12428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  524.532198][T12428] RIP: 0033:0x7f83c7fde312
[  524.532202][T12428] 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)
[  524.532204][T12428] RSP: 002b:00007ffd6baeb2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  524.532207][T12428] RAX: ffffffffffffffda RBX: 00007ffd6baeb418 RCX: 00007f83c7fde312
[  524.532208][T12428] RDX: 0000000000000038 RSI: 00007f83c79b2730 RDI: 0000000000000023
[  524.532209][T12428] RBP: 00007ffd6baeb310 R08: 00007ffd6baeb490 R09: 000000000000000c
[  524.532210][T12428] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f83c5e42190
[  524.532211][T12428] R13: 00007ffd6baeb418 R14: 00007f83c78fd01a R15: 00007ffd6baeb808
| [  534.598351][   T70] softirqs last disabled at (10649514): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  534.598354][   T70] Preemption disabled at:
| [  534.598354][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  534.598364][   T70] Tainted: [W]=WARN
[  534.598365][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  534.598367][   T70] Workqueue: netns cleanup_net
[  534.598370][   T70] Call Trace:
[  534.598372][   T70]  <TASK>
[  534.598374][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  534.598380][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  534.598382][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  534.598387][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  534.598391][   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)
[  534.598396][   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))
[  534.598399][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.598406][   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)
[  534.598409][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.598414][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  534.598415][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  534.598419][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  534.598422][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  534.598426][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  534.598429][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  534.598433][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  534.598438][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  534.598441][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.598442][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.598447][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  534.598450][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  534.598454][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.598456][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.598461][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  534.598466][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  534.598469][   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))
[  534.598475][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.598478][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.598486][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  534.598491][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  534.598493][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  534.598500][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  534.598503][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  534.598505][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.598507][   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)
[  534.598512][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  534.598514][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  534.598517][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  534.598521][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  534.598525][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  534.598527][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  534.598537][   T70]  _printk (kernel/printk/printk.c:2504)
[  534.598541][   T70]  ? snapshot_read.cold (user.c:?)
[  534.598546][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  534.598550][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  534.598555][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  534.598558][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  534.598560][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  534.598565][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  534.598572][   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)
[  534.598575][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  534.598579][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  534.598583][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  534.598585][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  534.598589][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  534.598596][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  534.598602][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.598604][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  534.598611][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  534.598617][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  534.598627][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  534.598631][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  534.598634][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  534.598637][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  534.598642][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  534.598646][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  534.598650][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  534.598652][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  534.598656][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  534.598661][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  534.598665][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  534.598670][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.598672][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.598676][   T70]  process_one_work (kernel/workqueue.c:3387)
[  534.598684][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  534.598688][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  534.598701][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  534.598706][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  534.598709][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  534.598712][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  534.598716][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  534.598718][   T70]  kthread (kernel/kthread.c:436)
[  534.598720][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  534.598724][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  534.598727][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  534.598732][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  534.598737][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  534.598740][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  534.598744][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  536.766721][T12642] softirqs last disabled at (380190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  536.766724][T12642] Preemption disabled at:
| [  536.766724][T12642] vprintk_emit (kernel/printk/printk.c:2471)
| [  536.766734][T12642] Tainted: [W]=WARN
[  536.766735][T12642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  536.766737][T12642] Call Trace:
[  536.766738][T12642]  <TASK>
[  536.766740][T12642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  536.766747][T12642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  536.766749][T12642]  __might_resched.cold (kernel/sched/core.c:9234)
[  536.766754][T12642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  536.766759][T12642]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  536.766764][T12642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  536.766766][T12642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.766774][T12642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  536.766777][T12642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  536.766782][T12642]  put_chars (drivers/char/virtio_console.c:1176)
[  536.766785][T12642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  536.766786][T12642]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  536.766791][T12642]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  536.766793][T12642]  ? __schedule (kernel/sched/core.c:7277)
[  536.766809][T12642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  536.766818][T12642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  536.766822][T12642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.766824][T12642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.766829][T12642]  console_emit_next_record (kernel/printk/printk.c:3183)
[  536.766834][T12642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  536.766836][T12642]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  536.766840][T12642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.766842][T12642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  536.766847][T12642]  console_flush_one_record (kernel/printk/printk.c:3268)
[  536.766853][T12642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  536.766855][T12642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.766862][T12642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  536.766866][T12642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  536.766868][T12642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  536.766870][T12642]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  536.766875][T12642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  536.766877][T12642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  536.766880][T12642]  vprintk_emit (kernel/printk/printk.c:2479)
[  536.766884][T12642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  536.766887][T12642]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  536.766891][T12642]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  536.766899][T12642]  _printk (kernel/printk/printk.c:2504)
[  536.766903][T12642]  ? snapshot_read.cold (user.c:?)
[  536.766909][T12642]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  536.766913][T12642]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  536.766918][T12642]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  536.766921][T12642]  ? netdev_notice (net/core/dev.c:13194)
[  536.766923][T12642]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  536.766929][T12642]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  536.766935][T12642]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  536.766938][T12642]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  536.766942][T12642]  netif_set_promiscuity (net/core/dev.c:9699)
[  536.766947][T12642]  dev_set_promiscuity (net/core/dev_api.c:288)
[  536.766949][T12642]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  536.766953][T12642] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  536.766958][T12642]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  536.766962][T12642] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  536.766968][T12642] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  536.766977][T12642]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  536.766982][T12642]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  536.766992][T12642]  ? security_capable (security/security.c:660 (discriminator 11))
[  536.766998][T12642]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  536.767002][T12642]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  536.767005][T12642]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  536.767009][T12642]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  536.767014][T12642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.767021][T12642]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  536.767025][T12642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  536.767027][T12642]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  536.767031][T12642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  536.767041][T12642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  536.767043][T12642]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  536.767048][T12642]  genl_rcv (net/netlink/genetlink.c:1218)
[  536.767051][T12642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  536.767056][T12642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  536.767060][T12642]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  536.767065][T12642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  536.767070][T12642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  536.767072][T12642]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  536.767076][T12642]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  536.767082][T12642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  536.767085][T12642]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  536.767090][T12642]  __sys_sendto (net/socket.c:2281)
[  536.767093][T12642]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  536.767107][T12642]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  536.767114][T12642]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  536.767117][T12642]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  536.767121][T12642]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  536.767123][T12642]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  536.767126][T12642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  536.767128][T12642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  536.767131][T12642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  536.767133][T12642] RIP: 0033:0x7f20dd523312
[  536.767137][T12642] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  536.767139][T12642] RSP: 002b:00007ffdf4fc5a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  536.767142][T12642] RAX: ffffffffffffffda RBX: 00007ffdf4fc5b78 RCX: 00007f20dd523312
[  536.767144][T12642] RDX: 0000000000000028 RSI: 00007f20db219740 RDI: 0000000000000023
[  536.767145][T12642] RBP: 00007ffdf4fc5a70 R08: 00007ffdf4fc5bf0 R09: 000000000000000c
[  536.767146][T12642] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f20db389fd0
[  536.767147][T12642] R13: 00007ffdf4fc5b78 R14: 00007f20dce4201a R15: 00007ffdf4fc5f68
| [  541.470415][T12750] softirqs last disabled at (383080): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  541.470418][T12750] Preemption disabled at:
| [  541.470418][T12750] vprintk_emit (kernel/printk/printk.c:2471)
| [  541.470428][T12750] Tainted: [W]=WARN
[  541.470429][T12750] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  541.470431][T12750] Call Trace:
[  541.470433][T12750]  <TASK>
[  541.470434][T12750]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  541.470441][T12750]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  541.470443][T12750]  __might_resched.cold (kernel/sched/core.c:9234)
[  541.470448][T12750]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  541.470453][T12750]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  541.470458][T12750]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  541.470460][T12750]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.470468][T12750]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  541.470471][T12750]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.470476][T12750]  put_chars (drivers/char/virtio_console.c:1176)
[  541.470479][T12750]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  541.470482][T12750]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  541.470486][T12750]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  541.470489][T12750]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  541.470494][T12750]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  541.470498][T12750]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  541.470501][T12750]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.470503][T12750]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.470508][T12750]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  541.470510][T12750]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  541.470515][T12750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.470520][T12750]  console_emit_next_record (kernel/printk/printk.c:3183)
[  541.470526][T12750]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  541.470528][T12750]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  541.470532][T12750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.470534][T12750]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.470539][T12750]  console_flush_one_record (kernel/printk/printk.c:3268)
[  541.470545][T12750]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  541.470547][T12750]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.470554][T12750]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  541.470557][T12750]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  541.470559][T12750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.470561][T12750]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  541.470566][T12750]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  541.470568][T12750]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  541.470572][T12750]  vprintk_emit (kernel/printk/printk.c:2479)
[  541.470575][T12750]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  541.470578][T12750]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  541.470580][T12750]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  541.470586][T12750]  _printk (kernel/printk/printk.c:2504)
[  541.470590][T12750]  ? snapshot_read.cold (user.c:?)
[  541.470592][T12750]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  541.470599][T12750]  ? idr_get_free (??:?)
[  541.470605][T12750]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  541.470615][T12750]  ? nla_get_range_signed (lib/nlattr.c:270)
[  541.470622][T12750]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.470624][T12750]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  541.470629][T12750]  __nla_validate_parse (lib/nlattr.c:635)
[  541.470635][T12750]  __nla_parse (lib/nlattr.c:732)
[  541.470638][T12750]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  541.470644][T12750]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  541.470648][T12750]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  541.470658][T12750]  ? security_capable (security/security.c:660 (discriminator 11))
[  541.470663][T12750]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  541.470668][T12750]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  541.470671][T12750]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  541.470674][T12750]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  541.470682][T12750]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.470689][T12750]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  541.470697][T12750]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  541.470700][T12750]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  541.470704][T12750]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  541.470713][T12750]  ? 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))
[  541.470715][T12750]  ? 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))
[  541.470720][T12750]  genl_rcv (net/netlink/genetlink.c:1218)
[  541.470723][T12750]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  541.470728][T12750]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  541.470732][T12750]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  541.470736][T12750]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  541.470741][T12750]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  541.470743][T12750]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  541.470747][T12750]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  541.470753][T12750]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  541.470756][T12750]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  541.470761][T12750]  __sys_sendto (net/socket.c:2281)
[  541.470764][T12750]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  541.470778][T12750]  ? fput_close_sync (fs/file_table.c:617)
[  541.470782][T12750]  ? alloc_file_clone (fs/file_table.c:479)
[  541.470787][T12750]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  541.470789][T12750]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  541.470793][T12750]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  541.470796][T12750]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  541.470799][T12750]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  541.470801][T12750]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  541.470804][T12750]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  541.470806][T12750] RIP: 0033:0x7f71053e7312
[  541.470810][T12750] 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)
[  541.470812][T12750] RSP: 002b:00007ffede059ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  541.470815][T12750] RAX: ffffffffffffffda RBX: 00007ffede059ff8 RCX: 00007f71053e7312
[  541.470817][T12750] RDX: 0000000000000044 RSI: 00007f710311b2d0 RDI: 0000000000000020
[  541.470818][T12750] RBP: 00007ffede059ef0 R08: 00007ffede05a070 R09: 000000000000000c
[  541.470819][T12750] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f710324e0b0
[  541.470820][T12750] R13: 00007ffede059ff8 R14: 00007f7104d0601a R15: 00007ffede05a3e8
| [  542.881343][T12782] softirqs last disabled at (370774): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  542.881345][T12782] Preemption disabled at:
| [  542.881346][T12782] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.881356][T12782] Tainted: [W]=WARN
[  542.881357][T12782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.881358][T12782] Call Trace:
[  542.881360][T12782]  <TASK>
[  542.881362][T12782]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.881369][T12782]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.881371][T12782]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.881376][T12782]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.881381][T12782]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  542.881386][T12782]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  542.881388][T12782]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.881396][T12782]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  542.881400][T12782]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.881404][T12782]  put_chars (drivers/char/virtio_console.c:1176)
[  542.881407][T12782]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.881411][T12782]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  542.881415][T12782]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  542.881420][T12782]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.881426][T12782]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.881428][T12782]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.881434][T12782]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.881439][T12782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.881441][T12782]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.881447][T12782]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.881452][T12782]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.881454][T12782]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  542.881458][T12782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.881460][T12782]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.881465][T12782]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.881471][T12782]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.881473][T12782]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.881480][T12782]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.881484][T12782]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.881486][T12782]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.881489][T12782]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  542.881494][T12782]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.881496][T12782]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.881500][T12782]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.881504][T12782]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.881511][T12782]  _printk (kernel/printk/printk.c:2504)
[  542.881515][T12782]  ? snapshot_read.cold (user.c:?)
[  542.881519][T12782]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  542.881522][T12782]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  542.881527][T12782]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  542.881529][T12782]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  542.881533][T12782]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  542.881538][T12782]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  542.881541][T12782]  ? netdev_notice (net/core/dev.c:13194)
[  542.881543][T12782]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  542.881555][T12782]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  542.881558][T12782]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  542.881562][T12782]  netif_set_promiscuity (net/core/dev.c:9699)
[  542.881567][T12782]  dev_set_promiscuity (net/core/dev_api.c:288)
[  542.881569][T12782]  ? dev_disable_lro (net/core/dev_api.c:267)
[  542.881572][T12782] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  542.881578][T12782] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  542.881584][T12782] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  542.881589][T12782]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  542.881594][T12782] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  542.881601][T12782]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  542.881605][T12782]  ? __nla_validate_parse (lib/nlattr.c:635)
[  542.881612][T12782]  ? __nla_parse (lib/nlattr.c:732)
[  542.881615][T12782]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  542.881621][T12782]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  542.881626][T12782]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  542.881636][T12782]  ? security_capable (security/security.c:660 (discriminator 11))
[  542.881642][T12782]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  542.881647][T12782]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  542.881650][T12782]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  542.881652][T12782]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  542.881657][T12782]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.881664][T12782]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  542.881668][T12782]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.881671][T12782]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  542.881675][T12782]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.881684][T12782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  542.881686][T12782]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  542.881696][T12782]  genl_rcv (net/netlink/genetlink.c:1218)
[  542.881700][T12782]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.881705][T12782]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.881711][T12782]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  542.881716][T12782]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.881721][T12782]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.881723][T12782]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  542.881727][T12782]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  542.881734][T12782]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.881737][T12782]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  542.881742][T12782]  __sys_sendto (net/socket.c:2281)
[  542.881745][T12782]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  542.881759][T12782]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  542.881767][T12782]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  542.881770][T12782]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  542.881774][T12782]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  542.881776][T12782]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  542.881779][T12782]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.881781][T12782]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.881785][T12782]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.881787][T12782] RIP: 0033:0x7f302f8a4312
[  542.881791][T12782] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  542.881793][T12782] RSP: 002b:00007fff6d1e3d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  542.881796][T12782] RAX: ffffffffffffffda RBX: 00007fff6d1e3ea8 RCX: 00007f302f8a4312
[  542.881798][T12782] RDX: 0000000000000038 RSI: 00007f302c4ea6f0 RDI: 0000000000000023
[  542.881799][T12782] RBP: 00007fff6d1e3da0 R08: 00007fff6d1e3f20 R09: 000000000000000c
[  542.881800][T12782] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f302d70e190
[  542.881801][T12782] R13: 00007fff6d1e3ea8 R14: 00007f302f1c301a R15: 00007fff6d1e4298
| [  544.040555][T12809] softirqs last disabled at (391198): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  544.040557][T12809] Preemption disabled at:
| [  544.040558][T12809] vprintk_emit (kernel/printk/printk.c:2471)
| [  544.040567][T12809] Tainted: [W]=WARN
[  544.040568][T12809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  544.040569][T12809] Call Trace:
[  544.040571][T12809]  <TASK>
[  544.040573][T12809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  544.040579][T12809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  544.040581][T12809]  __might_resched.cold (kernel/sched/core.c:9234)
[  544.040586][T12809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  544.040591][T12809]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  544.040596][T12809]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  544.040599][T12809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.040606][T12809]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  544.040609][T12809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.040614][T12809]  put_chars (drivers/char/virtio_console.c:1176)
[  544.040617][T12809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  544.040621][T12809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  544.040625][T12809]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  544.040630][T12809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  544.040635][T12809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.040637][T12809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.040643][T12809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  544.040648][T12809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.040650][T12809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.040655][T12809]  console_emit_next_record (kernel/printk/printk.c:3183)
[  544.040660][T12809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  544.040662][T12809]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  544.040666][T12809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.040669][T12809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.040674][T12809]  console_flush_one_record (kernel/printk/printk.c:3268)
[  544.040679][T12809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  544.040681][T12809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.040688][T12809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  544.040694][T12809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  544.040697][T12809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.040699][T12809]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  544.040703][T12809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  544.040705][T12809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  544.040709][T12809]  vprintk_emit (kernel/printk/printk.c:2479)
[  544.040713][T12809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  544.040720][T12809]  _printk (kernel/printk/printk.c:2504)
[  544.040724][T12809]  ? snapshot_read.cold (user.c:?)
[  544.040727][T12809]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  544.040731][T12809]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  544.040734][T12809]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  544.040736][T12809]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  544.040738][T12809]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  544.040742][T12809]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  544.040747][T12809]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  544.040750][T12809]  ? netdev_notice (net/core/dev.c:13194)
[  544.040752][T12809]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  544.040764][T12809]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  544.040766][T12809]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  544.040771][T12809]  netif_set_promiscuity (net/core/dev.c:9699)
[  544.040775][T12809]  dev_set_promiscuity (net/core/dev_api.c:288)
[  544.040777][T12809]  ? dev_disable_lro (net/core/dev_api.c:267)
[  544.040780][T12809] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  544.040786][T12809] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  544.040792][T12809] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  544.040796][T12809]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  544.040801][T12809] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  544.040808][T12809]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  544.040812][T12809]  ? __nla_validate_parse (lib/nlattr.c:635)
[  544.040819][T12809]  ? __nla_parse (lib/nlattr.c:732)
[  544.040822][T12809]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  544.040828][T12809]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  544.040833][T12809]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  544.040850][T12809]  ? security_capable (security/security.c:660 (discriminator 11))
[  544.040856][T12809]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  544.040861][T12809]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  544.040865][T12809]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  544.040869][T12809]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  544.040875][T12809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.040882][T12809]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  544.040887][T12809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.040889][T12809]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  544.040893][T12809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  544.040902][T12809]  ? 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))
[  544.040905][T12809]  ? 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))
[  544.040910][T12809]  genl_rcv (net/netlink/genetlink.c:1218)
[  544.040912][T12809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.040917][T12809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  544.040922][T12809]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  544.040926][T12809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.040931][T12809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  544.040933][T12809]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  544.040937][T12809]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  544.040943][T12809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.040947][T12809]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  544.040951][T12809]  __sys_sendto (net/socket.c:2281)
[  544.040955][T12809]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  544.040962][T12809]  ? do_futex (kernel/futex/syscalls.c:138)
[  544.040965][T12809]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  544.040974][T12809]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  544.040979][T12809]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  544.040982][T12809]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  544.040986][T12809]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  544.040989][T12809]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  544.040992][T12809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.040994][T12809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  544.040997][T12809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.041000][T12809] RIP: 0033:0x7f22bbac5312
[  544.041004][T12809] 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)
[  544.041006][T12809] RSP: 002b:00007ffc35293668 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  544.041009][T12809] RAX: ffffffffffffffda RBX: 00007ffc35293798 RCX: 00007f22bbac5312
[  544.041011][T12809] RDX: 0000000000000038 RSI: 00007f22b8579330 RDI: 0000000000000023
[  544.041012][T12809] RBP: 00007ffc35293690 R08: 00007ffc35293810 R09: 000000000000000c
[  544.041013][T12809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f22b9922190
[  544.041014][T12809] R13: 00007ffc35293798 R14: 00007f22bb3e401a R15: 00007ffc35293b88
| [  553.748405][   T70] softirqs last disabled at (10837178): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  553.748408][   T70] Preemption disabled at:
| [  553.748408][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  553.748418][   T70] Tainted: [W]=WARN
[  553.748419][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.748420][   T70] Workqueue: netns cleanup_net
[  553.748424][   T70] Call Trace:
[  553.748426][   T70]  <TASK>
[  553.748428][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  553.748434][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  553.748436][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  553.748441][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.748446][   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)
[  553.748451][   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))
[  553.748453][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.748461][   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)
[  553.748464][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.748469][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  553.748471][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  553.748474][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  553.748477][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  553.748481][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  553.748484][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  553.748489][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  553.748493][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  553.748496][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.748497][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.748503][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  553.748506][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  553.748510][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.748512][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.748517][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  553.748522][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  553.748524][   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))
[  553.748528][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.748530][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.748535][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  553.748540][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  553.748542][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  553.748549][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  553.748552][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  553.748555][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.748557][   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)
[  553.748561][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  553.748563][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  553.748567][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  553.748571][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  553.748574][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  553.748576][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  553.748586][   T70]  _printk (kernel/printk/printk.c:2504)
[  553.748591][   T70]  ? snapshot_read.cold (user.c:?)
[  553.748596][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  553.748600][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  553.748605][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  553.748608][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  553.748610][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  553.748615][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  553.748621][   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)
[  553.748625][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  553.748629][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  553.748633][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  553.748635][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  553.748639][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  553.748646][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  553.748651][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.748654][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  553.748661][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  553.748667][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  553.748677][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  553.748681][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  553.748684][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.748687][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  553.748694][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  553.748699][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  553.748703][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  553.748705][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  553.748709][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  553.748715][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  553.748718][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  553.748723][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.748726][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.748730][   T70]  process_one_work (kernel/workqueue.c:3387)
[  553.748738][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  553.748741][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  553.748751][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  553.748756][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  553.748759][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  553.748762][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  553.748765][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  553.748768][   T70]  kthread (kernel/kthread.c:436)
[  553.748770][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  553.748774][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  553.748777][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  553.748782][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  553.748786][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  553.748790][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  553.748793][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  555.879997][T13022] softirqs last disabled at (374752): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  555.879999][T13022] Preemption disabled at:
| [  555.880000][T13022] vprintk_emit (kernel/printk/printk.c:2471)
| [  555.880009][T13022] Tainted: [W]=WARN
[  555.880010][T13022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  555.880012][T13022] Call Trace:
[  555.880014][T13022]  <TASK>
[  555.880016][T13022]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  555.880022][T13022]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  555.880024][T13022]  __might_resched.cold (kernel/sched/core.c:9234)
[  555.880029][T13022]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  555.880034][T13022]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  555.880039][T13022]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  555.880042][T13022]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.880049][T13022]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  555.880052][T13022]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.880057][T13022]  put_chars (drivers/char/virtio_console.c:1176)
[  555.880060][T13022]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  555.880061][T13022]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  555.880065][T13022]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  555.880072][T13022]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  555.880081][T13022]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  555.880085][T13022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.880087][T13022]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.880092][T13022]  console_emit_next_record (kernel/printk/printk.c:3183)
[  555.880097][T13022]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  555.880099][T13022]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  555.880103][T13022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.880105][T13022]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.880110][T13022]  console_flush_one_record (kernel/printk/printk.c:3268)
[  555.880115][T13022]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  555.880117][T13022]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.880124][T13022]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  555.880127][T13022]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  555.880129][T13022]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.880131][T13022]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  555.880136][T13022]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  555.880138][T13022]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  555.880141][T13022]  vprintk_emit (kernel/printk/printk.c:2479)
[  555.880145][T13022]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  555.880148][T13022]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  555.880151][T13022]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  555.880161][T13022]  _printk (kernel/printk/printk.c:2504)
[  555.880164][T13022]  ? snapshot_read.cold (user.c:?)
[  555.880170][T13022]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  555.880174][T13022]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  555.880179][T13022]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  555.880182][T13022]  ? netdev_notice (net/core/dev.c:13194)
[  555.880184][T13022]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  555.880190][T13022]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  555.880196][T13022]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  555.880199][T13022]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  555.880204][T13022]  netif_set_promiscuity (net/core/dev.c:9699)
[  555.880208][T13022]  dev_set_promiscuity (net/core/dev_api.c:288)
[  555.880211][T13022]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  555.880215][T13022] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  555.880219][T13022]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  555.880224][T13022] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  555.880229][T13022] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  555.880238][T13022]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  555.880243][T13022]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  555.880253][T13022]  ? security_capable (security/security.c:660 (discriminator 11))
[  555.880258][T13022]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  555.880263][T13022]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  555.880266][T13022]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  555.880269][T13022]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  555.880274][T13022]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.880281][T13022]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  555.880285][T13022]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  555.880287][T13022]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  555.880291][T13022]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  555.880300][T13022]  ? 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))
[  555.880302][T13022]  ? 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))
[  555.880307][T13022]  genl_rcv (net/netlink/genetlink.c:1218)
[  555.880310][T13022]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  555.880315][T13022]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  555.880319][T13022]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  555.880323][T13022]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  555.880328][T13022]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  555.880330][T13022]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  555.880334][T13022]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  555.880340][T13022]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  555.880344][T13022]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  555.880348][T13022]  __sys_sendto (net/socket.c:2281)
[  555.880352][T13022]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  555.880365][T13022]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  555.880373][T13022]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  555.880376][T13022]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  555.880380][T13022]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  555.880382][T13022]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  555.880384][T13022]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  555.880387][T13022]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  555.880390][T13022]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  555.880392][T13022] RIP: 0033:0x7f1dab55b312
[  555.880396][T13022] 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)
[  555.880398][T13022] RSP: 002b:00007ffccb006778 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  555.880401][T13022] RAX: ffffffffffffffda RBX: 00007ffccb0068a8 RCX: 00007f1dab55b312
[  555.880402][T13022] RDX: 0000000000000028 RSI: 00007f1da8188930 RDI: 0000000000000023
[  555.880403][T13022] RBP: 00007ffccb0067a0 R08: 00007ffccb006920 R09: 000000000000000c
[  555.880404][T13022] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1da93bdfd0
[  555.880406][T13022] R13: 00007ffccb0068a8 R14: 00007f1daae7a01a R15: 00007ffccb006c98
| [  560.565921][T13142] softirqs last disabled at (382750): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  560.565924][T13142] Preemption disabled at:
| [  560.565924][T13142] vprintk_emit (kernel/printk/printk.c:2471)
| [  560.565943][T13142] Tainted: [W]=WARN
[  560.565944][T13142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  560.565946][T13142] Call Trace:
[  560.565947][T13142]  <TASK>
[  560.565949][T13142]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  560.565956][T13142]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  560.565958][T13142]  __might_resched.cold (kernel/sched/core.c:9234)
[  560.565963][T13142]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  560.565968][T13142]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  560.565973][T13142]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  560.565975][T13142]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.565983][T13142]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  560.565986][T13142]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.565990][T13142]  put_chars (drivers/char/virtio_console.c:1176)
[  560.565993][T13142]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  560.565997][T13142]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  560.566000][T13142]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  560.566003][T13142]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  560.566008][T13142]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  560.566012][T13142]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  560.566015][T13142]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.566017][T13142]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.566022][T13142]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  560.566024][T13142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  560.566030][T13142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.566034][T13142]  console_emit_next_record (kernel/printk/printk.c:3183)
[  560.566039][T13142]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  560.566041][T13142]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  560.566045][T13142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.566048][T13142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.566052][T13142]  console_flush_one_record (kernel/printk/printk.c:3268)
[  560.566057][T13142]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  560.566060][T13142]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.566066][T13142]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  560.566070][T13142]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  560.566072][T13142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.566074][T13142]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  560.566078][T13142]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  560.566080][T13142]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  560.566084][T13142]  vprintk_emit (kernel/printk/printk.c:2479)
[  560.566088][T13142]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  560.566090][T13142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.566092][T13142]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  560.566098][T13142]  _printk (kernel/printk/printk.c:2504)
[  560.566102][T13142]  ? snapshot_read.cold (user.c:?)
[  560.566104][T13142]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  560.566111][T13142]  ? idr_get_free (??:?)
[  560.566116][T13142]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  560.566127][T13142]  ? nla_get_range_signed (lib/nlattr.c:270)
[  560.566133][T13142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.566135][T13142]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  560.566140][T13142]  __nla_validate_parse (lib/nlattr.c:635)
[  560.566146][T13142]  __nla_parse (lib/nlattr.c:732)
[  560.566149][T13142]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  560.566155][T13142]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  560.566159][T13142]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  560.566169][T13142]  ? security_capable (security/security.c:660 (discriminator 11))
[  560.566174][T13142]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  560.566179][T13142]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  560.566181][T13142]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  560.566185][T13142]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  560.566193][T13142]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.566200][T13142]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  560.566204][T13142]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  560.566206][T13142]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  560.566211][T13142]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  560.566219][T13142]  ? 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))
[  560.566221][T13142]  ? 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))
[  560.566226][T13142]  genl_rcv (net/netlink/genetlink.c:1218)
[  560.566228][T13142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  560.566233][T13142]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  560.566238][T13142]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  560.566242][T13142]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  560.566247][T13142]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  560.566249][T13142]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  560.566252][T13142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.566258][T13142]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  560.566261][T13142]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  560.566265][T13142]  __sys_sendto (net/socket.c:2281)
[  560.566269][T13142]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  560.566276][T13142]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  560.566286][T13142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  560.566290][T13142]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  560.566293][T13142]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  560.566297][T13142]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  560.566299][T13142]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  560.566302][T13142]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  560.566304][T13142]  ? irq_exit_rcu (kernel/softirq.c:786)
[  560.566309][T13142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  560.566312][T13142] RIP: 0033:0x7f5d60094312
[  560.566315][T13142] 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)
[  560.566317][T13142] RSP: 002b:00007ffd24dd49c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  560.566320][T13142] RAX: ffffffffffffffda RBX: 00007ffd24dd4af8 RCX: 00007f5d60094312
[  560.566322][T13142] RDX: 0000000000000044 RSI: 00007f5d5c43b0f0 RDI: 0000000000000020
[  560.566323][T13142] RBP: 00007ffd24dd49f0 R08: 00007ffd24dd4b70 R09: 000000000000000c
[  560.566324][T13142] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5d5df020b0
[  560.566325][T13142] R13: 00007ffd24dd4af8 R14: 00007f5d5f9b301a R15: 00007ffd24dd4ee8
| [  561.984283][T13174] softirqs last disabled at (395360): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  561.984285][T13174] Preemption disabled at:
| [  561.984286][T13174] vprintk_emit (kernel/printk/printk.c:2471)
| [  561.984295][T13174] Tainted: [W]=WARN
[  561.984296][T13174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  561.984298][T13174] Call Trace:
[  561.984300][T13174]  <TASK>
[  561.984301][T13174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  561.984308][T13174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  561.984310][T13174]  __might_resched.cold (kernel/sched/core.c:9234)
[  561.984315][T13174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  561.984320][T13174]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  561.984325][T13174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  561.984327][T13174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.984335][T13174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  561.984338][T13174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.984343][T13174]  put_chars (drivers/char/virtio_console.c:1176)
[  561.984346][T13174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  561.984349][T13174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  561.984353][T13174]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  561.984358][T13174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  561.984363][T13174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.984365][T13174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.984371][T13174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  561.984375][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.984378][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.984383][T13174]  console_emit_next_record (kernel/printk/printk.c:3183)
[  561.984388][T13174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  561.984390][T13174]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  561.984394][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.984396][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.984401][T13174]  console_flush_one_record (kernel/printk/printk.c:3268)
[  561.984406][T13174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  561.984408][T13174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.984415][T13174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  561.984418][T13174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  561.984420][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.984422][T13174]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  561.984427][T13174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  561.984429][T13174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  561.984432][T13174]  vprintk_emit (kernel/printk/printk.c:2479)
[  561.984436][T13174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  561.984443][T13174]  _printk (kernel/printk/printk.c:2504)
[  561.984447][T13174]  ? snapshot_read.cold (user.c:?)
[  561.984451][T13174]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  561.984454][T13174]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  561.984459][T13174]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  561.984461][T13174]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  561.984465][T13174]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  561.984470][T13174]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  561.984475][T13174]  ? netdev_notice (net/core/dev.c:13194)
[  561.984478][T13174]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  561.984492][T13174]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  561.984495][T13174]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  561.984500][T13174]  netif_set_promiscuity (net/core/dev.c:9699)
[  561.984504][T13174]  dev_set_promiscuity (net/core/dev_api.c:288)
[  561.984506][T13174]  ? dev_disable_lro (net/core/dev_api.c:267)
[  561.984509][T13174] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  561.984515][T13174] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  561.984521][T13174] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  561.984526][T13174]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  561.984531][T13174] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  561.984538][T13174]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  561.984541][T13174]  ? __nla_validate_parse (lib/nlattr.c:635)
[  561.984548][T13174]  ? __nla_parse (lib/nlattr.c:732)
[  561.984551][T13174]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  561.984557][T13174]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  561.984562][T13174]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  561.984572][T13174]  ? security_capable (security/security.c:660 (discriminator 11))
[  561.984577][T13174]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  561.984582][T13174]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  561.984585][T13174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  561.984587][T13174]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  561.984592][T13174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.984599][T13174]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  561.984603][T13174]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  561.984606][T13174]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  561.984610][T13174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  561.984619][T13174]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  561.984621][T13174]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  561.984626][T13174]  genl_rcv (net/netlink/genetlink.c:1218)
[  561.984629][T13174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  561.984634][T13174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  561.984638][T13174]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  561.984642][T13174]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  561.984647][T13174]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  561.984649][T13174]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  561.984653][T13174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  561.984659][T13174]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  561.984662][T13174]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  561.984667][T13174]  __sys_sendto (net/socket.c:2281)
[  561.984670][T13174]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  561.984684][T13174]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  561.984695][T13174]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  561.984698][T13174]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  561.984702][T13174]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  561.984704][T13174]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  561.984707][T13174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  561.984710][T13174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  561.984713][T13174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  561.984715][T13174] RIP: 0033:0x7f840e0b7312
[  561.984719][T13174] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  561.984721][T13174] RSP: 002b:00007ffdc7ada018 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  561.984724][T13174] RAX: ffffffffffffffda RBX: 00007ffdc7ada148 RCX: 00007f840e0b7312
[  561.984725][T13174] RDX: 0000000000000038 RSI: 00007f8409c281f0 RDI: 0000000000000023
[  561.984726][T13174] RBP: 00007ffdc7ada040 R08: 00007ffdc7ada1c0 R09: 000000000000000c
[  561.984727][T13174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f840bf1e190
[  561.984728][T13174] R13: 00007ffdc7ada148 R14: 00007f840d9d601a R15: 00007ffdc7ada538
| [  563.081898][T13201] softirqs last disabled at (391870): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  563.081900][T13201] Preemption disabled at:
| [  563.081901][T13201] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.081910][T13201] Tainted: [W]=WARN
[  563.081911][T13201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.081913][T13201] Call Trace:
[  563.081915][T13201]  <TASK>
[  563.081917][T13201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.081924][T13201]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.081926][T13201]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.081931][T13201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.081936][T13201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  563.081941][T13201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  563.081943][T13201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.081957][T13201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  563.081961][T13201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.081965][T13201]  put_chars (drivers/char/virtio_console.c:1176)
[  563.081968][T13201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.081972][T13201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.081975][T13201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  563.081981][T13201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.081985][T13201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.081988][T13201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.081994][T13201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.081998][T13201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.082001][T13201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.082006][T13201]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.082010][T13201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.082013][T13201]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  563.082017][T13201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.082019][T13201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.082024][T13201]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.082029][T13201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.082031][T13201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.082038][T13201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.082041][T13201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.082043][T13201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.082046][T13201]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  563.082050][T13201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.082052][T13201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.082056][T13201]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.082060][T13201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.082067][T13201]  _printk (kernel/printk/printk.c:2504)
[  563.082071][T13201]  ? snapshot_read.cold (user.c:?)
[  563.082074][T13201]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  563.082077][T13201]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  563.082081][T13201]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  563.082083][T13201]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  563.082085][T13201]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  563.082089][T13201]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  563.082094][T13201]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  563.082097][T13201]  ? netdev_notice (net/core/dev.c:13194)
[  563.082099][T13201]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  563.082110][T13201]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  563.082113][T13201]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  563.082117][T13201]  netif_set_promiscuity (net/core/dev.c:9699)
[  563.082122][T13201]  dev_set_promiscuity (net/core/dev_api.c:288)
[  563.082124][T13201]  ? dev_disable_lro (net/core/dev_api.c:267)
[  563.082126][T13201] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  563.082133][T13201] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  563.082138][T13201] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  563.082143][T13201]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  563.082149][T13201] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  563.082156][T13201]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  563.082159][T13201]  ? __nla_validate_parse (lib/nlattr.c:635)
[  563.082167][T13201]  ? __nla_parse (lib/nlattr.c:732)
[  563.082170][T13201]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  563.082176][T13201]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  563.082180][T13201]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  563.082190][T13201]  ? security_capable (security/security.c:660 (discriminator 11))
[  563.082195][T13201]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  563.082200][T13201]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  563.082203][T13201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  563.082205][T13201]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  563.082210][T13201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.082217][T13201]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  563.082221][T13201]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.082223][T13201]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  563.082228][T13201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.082237][T13201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  563.082239][T13201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  563.082244][T13201]  genl_rcv (net/netlink/genetlink.c:1218)
[  563.082247][T13201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.082252][T13201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.082256][T13201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  563.082261][T13201]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.082266][T13201]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.082267][T13201]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  563.082271][T13201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  563.082277][T13201]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.082281][T13201]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  563.082285][T13201]  __sys_sendto (net/socket.c:2281)
[  563.082289][T13201]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  563.082295][T13201]  ? do_futex (kernel/futex/syscalls.c:138)
[  563.082299][T13201]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  563.082307][T13201]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  563.082311][T13201]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  563.082316][T13201]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  563.082318][T13201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  563.082322][T13201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  563.082324][T13201]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  563.082327][T13201]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.082329][T13201]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.082332][T13201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.082335][T13201] RIP: 0033:0x7f8abafbf312
[  563.082339][T13201] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  563.082341][T13201] RSP: 002b:00007ffc05c2a318 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  563.082344][T13201] RAX: ffffffffffffffda RBX: 00007ffc05c2a448 RCX: 00007f8abafbf312
[  563.082346][T13201] RDX: 0000000000000038 RSI: 00007f8ab8237770 RDI: 0000000000000023
[  563.082346][T13201] RBP: 00007ffc05c2a340 R08: 00007ffc05c2a4c0 R09: 000000000000000c
[  563.082348][T13201] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ab8e26190
[  563.082349][T13201] R13: 00007ffc05c2a448 R14: 00007f8aba8de01a R15: 00007ffc05c2a838
| [  572.804880][   T70] softirqs last disabled at (11030800): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  572.804883][   T70] Preemption disabled at:
| [  572.804883][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  572.804892][   T70] Tainted: [W]=WARN
[  572.804894][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.804895][   T70] Workqueue: netns cleanup_net
[  572.804899][   T70] Call Trace:
[  572.804901][   T70]  <TASK>
[  572.804903][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  572.804909][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  572.804911][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  572.804916][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.804921][   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)
[  572.804926][   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))
[  572.804929][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.804937][   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)
[  572.804940][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.804945][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  572.804947][   T70]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  572.804950][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  572.804953][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  572.804957][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  572.804960][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  572.804965][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  572.804970][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  572.804973][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.804975][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.804980][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  572.804983][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  572.804988][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.804990][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.804995][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  572.805006][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  572.805009][   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))
[  572.805013][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.805015][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.805020][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  572.805026][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  572.805028][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  572.805035][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  572.805038][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  572.805040][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.805043][   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)
[  572.805047][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  572.805049][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  572.805053][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  572.805057][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  572.805060][   T70]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  572.805063][   T70]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  572.805074][   T70]  _printk (kernel/printk/printk.c:2504)
[  572.805078][   T70]  ? snapshot_read.cold (user.c:?)
[  572.805083][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  572.805088][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  572.805093][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  572.805096][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  572.805098][   T70]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  572.805104][   T70]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  572.805110][   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)
[  572.805113][   T70]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  572.805118][   T70]  netif_set_promiscuity (net/core/dev.c:9699)
[  572.805123][   T70]  dev_set_promiscuity (net/core/dev_api.c:288)
[  572.805125][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  572.805128][   T70] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  572.805136][   T70] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  572.805142][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.805144][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  572.805152][   T70]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  572.805158][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  572.805168][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  572.805172][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  572.805175][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.805178][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  572.805184][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  572.805188][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  572.805193][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  572.805194][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  572.805198][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  572.805204][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  572.805208][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  572.805213][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.805216][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.805220][   T70]  process_one_work (kernel/workqueue.c:3387)
[  572.805228][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  572.805232][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  572.805242][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  572.805247][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  572.805250][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  572.805253][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  572.805257][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  572.805259][   T70]  kthread (kernel/kthread.c:436)
[  572.805261][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  572.805265][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  572.805269][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  572.805274][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  572.805278][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  572.805282][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  572.805286][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  574.880953][T13415] softirqs last disabled at (374284): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  574.880956][T13415] Preemption disabled at:
| [  574.880956][T13415] vprintk_emit (kernel/printk/printk.c:2471)
| [  574.880966][T13415] Tainted: [W]=WARN
[  574.880967][T13415] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  574.880969][T13415] Call Trace:
[  574.880970][T13415]  <TASK>
[  574.880972][T13415]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  574.880979][T13415]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  574.880981][T13415]  __might_resched.cold (kernel/sched/core.c:9234)
[  574.880986][T13415]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  574.880990][T13415]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  574.880995][T13415]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  574.880998][T13415]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  574.881006][T13415]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  574.881009][T13415]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  574.881020][T13415]  put_chars (drivers/char/virtio_console.c:1176)
[  574.881023][T13415]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  574.881024][T13415]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  574.881028][T13415]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  574.881036][T13415]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  574.881045][T13415]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  574.881048][T13415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.881050][T13415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.881056][T13415]  console_emit_next_record (kernel/printk/printk.c:3183)
[  574.881061][T13415]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  574.881063][T13415]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  574.881067][T13415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.881069][T13415]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.881074][T13415]  console_flush_one_record (kernel/printk/printk.c:3268)
[  574.881079][T13415]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  574.881081][T13415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  574.881088][T13415]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  574.881092][T13415]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  574.881094][T13415]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.881096][T13415]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  574.881101][T13415]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  574.881103][T13415]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  574.881106][T13415]  vprintk_emit (kernel/printk/printk.c:2479)
[  574.881110][T13415]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  574.881114][T13415]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  574.881117][T13415]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  574.881126][T13415]  _printk (kernel/printk/printk.c:2504)
[  574.881130][T13415]  ? snapshot_read.cold (user.c:?)
[  574.881135][T13415]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  574.881139][T13415]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  574.881144][T13415]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  574.881147][T13415]  ? netdev_notice (net/core/dev.c:13194)
[  574.881149][T13415]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  574.881154][T13415]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  574.881161][T13415]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  574.881164][T13415]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  574.881169][T13415]  netif_set_promiscuity (net/core/dev.c:9699)
[  574.881173][T13415]  dev_set_promiscuity (net/core/dev_api.c:288)
[  574.881175][T13415]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  574.881179][T13415] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  574.881184][T13415]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  574.881188][T13415] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  574.881194][T13415] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  574.881204][T13415]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  574.881208][T13415]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  574.881219][T13415]  ? security_capable (security/security.c:660 (discriminator 11))
[  574.881224][T13415]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  574.881229][T13415]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  574.881232][T13415]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  574.881235][T13415]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  574.881240][T13415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  574.881247][T13415]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  574.881251][T13415]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  574.881253][T13415]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  574.881258][T13415]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  574.881267][T13415]  ? 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))
[  574.881269][T13415]  ? 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))
[  574.881274][T13415]  genl_rcv (net/netlink/genetlink.c:1218)
[  574.881276][T13415]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  574.881281][T13415]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  574.881286][T13415]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  574.881290][T13415]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  574.881295][T13415]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  574.881297][T13415]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  574.881301][T13415]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  574.881307][T13415]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  574.881310][T13415]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  574.881315][T13415]  __sys_sendto (net/socket.c:2281)
[  574.881318][T13415]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  574.881332][T13415]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  574.881340][T13415]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  574.881342][T13415]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  574.881346][T13415]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  574.881348][T13415]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  574.881351][T13415]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  574.881353][T13415]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  574.881356][T13415]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  574.881359][T13415] RIP: 0033:0x7fe3e5905312
[  574.881363][T13415] 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)
[  574.881365][T13415] RSP: 002b:00007ffe9d158b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  574.881368][T13415] RAX: ffffffffffffffda RBX: 00007ffe9d158ca8 RCX: 00007fe3e5905312
[  574.881369][T13415] RDX: 0000000000000028 RSI: 00007fe3e155cc00 RDI: 0000000000000023
[  574.881370][T13415] RBP: 00007ffe9d158ba0 R08: 00007ffe9d158d20 R09: 000000000000000c
[  574.881371][T13415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe3e3761fd0
[  574.881372][T13415] R13: 00007ffe9d158ca8 R14: 00007fe3e522401a R15: 00007ffe9d159098
| [  690.805463][T17161] softirqs last disabled at (133205): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  690.805466][T17161] Preemption disabled at:
| [  690.805467][T17161] vprintk_emit (kernel/printk/printk.c:2471)
| [  690.805478][T17161] Tainted: [W]=WARN
[  690.805480][T17161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  690.805482][T17161] Call Trace:
[  690.805484][T17161]  <TASK>
[  690.805486][T17161]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  690.805493][T17161]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  690.805494][T17161]  __might_resched.cold (kernel/sched/core.c:9234)
[  690.805499][T17161]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  690.805504][T17161]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  690.805509][T17161]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  690.805511][T17161]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.805519][T17161]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  690.805522][T17161]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.805526][T17161]  put_chars (drivers/char/virtio_console.c:1176)
[  690.805527][T17161]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  690.805530][T17161]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  690.805534][T17161]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  690.805537][T17161]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  690.805542][T17161]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  690.805547][T17161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  690.805549][T17161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  690.805554][T17161]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  690.805556][T17161]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  690.805560][T17161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.805562][T17161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.805567][T17161]  console_emit_next_record (kernel/printk/printk.c:3183)
[  690.805571][T17161]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  690.805573][T17161]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  690.805577][T17161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.805579][T17161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.805583][T17161]  console_flush_one_record (kernel/printk/printk.c:3268)
[  690.805588][T17161]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  690.805590][T17161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  690.805596][T17161]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  690.805600][T17161]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  690.805602][T17161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.805603][T17161]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  690.805608][T17161]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  690.805610][T17161]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  690.805613][T17161]  vprintk_emit (kernel/printk/printk.c:2479)
[  690.805617][T17161]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  690.805623][T17161]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  690.805628][T17161]  _printk (kernel/printk/printk.c:2504)
[  690.805632][T17161]  ? snapshot_read.cold (user.c:?)
[  690.805639][T17161]  ? 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)
[  690.805642][T17161] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[  690.805647][T17161]  do_one_initcall (init/main.c:1357)
[  690.805650][T17161]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  690.805655][T17161]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  690.805658][T17161]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  690.805664][T17161]  do_init_module (kernel/module/main.c:3117)
[  690.805667][T17161]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  690.805672][T17161]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  690.805674][T17161]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  690.805679][T17161]  load_module (kernel/module/main.c:3593)
[  690.805685][T17161]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  690.805690][T17161]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  690.805698][T17161]  ? backing_file_read_iter (fs/backing-file.c:211)
[  690.805702][T17161]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  690.805705][T17161]  init_module_from_file (kernel/module/main.c:3790)
[  690.805708][T17161]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  690.805717][T17161]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.805721][T17161]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  690.805725][T17161]  idempotent_init_module (kernel/module/main.c:3802)
[  690.805728][T17161]  ? init_module_from_file (kernel/module/main.c:3791)
[  690.805734][T17161]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  690.805737][T17161]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  690.805743][T17161]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  690.805745][T17161]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  690.805749][T17161]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  690.805752][T17161]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  690.805755][T17161]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.805757][T17161] RIP: 0033:0x7fb25fba537d
[  690.805761][T17161] 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
[  690.805763][T17161] RSP: 002b:00007ffd4a673588 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  690.805766][T17161] RAX: ffffffffffffffda RBX: 00005565497ca810 RCX: 00007fb25fba537d
[  690.805768][T17161] RDX: 0000000000000000 RSI: 000055653860cffd RDI: 0000000000000000
[  690.805769][T17161] RBP: 00007ffd4a673620 R08: 0000000000000000 R09: 0000000000000000
[  690.805770][T17161] R10: 0000000000000000 R11: 0000000000000246 R12: 000055653860cffd


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