======================================
| [   10.293196][  T224] softirqs last disabled at (33401): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.293199][  T224] Preemption disabled at:
| [   10.293199][  T224] 0x0
| [   10.293209][  T224] Tainted: [W]=WARN
[   10.293210][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.293212][  T224] Call Trace:
[   10.293213][  T224]  <TASK>
[   10.293214][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.293221][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.293225][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.293230][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.293234][  T224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.293236][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.293242][  T224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.293244][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.293248][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   10.293251][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.293252][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.293255][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.293260][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.293268][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.293270][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.293272][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.293276][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.293280][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.293282][  T224]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.293285][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.293287][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.293291][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.293295][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.293297][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.293302][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.293305][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.293307][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.293308][  T224]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   10.293312][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.293314][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.293316][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.293320][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.293323][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.293326][  T224]  _printk (kernel/printk/printk.c:2504)
[   10.293330][  T224]  ? snapshot_read.cold (user.c:?)
[   10.293332][  T224]  ? 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)
[   10.293335][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.293339][  T224]  ? 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)
[   10.293341][  T224]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.293345][  T224]  ? exit_notify (kernel/exit.c:780)
[   10.293346][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.293349][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.293352][  T224]  do_group_exit (kernel/exit.c:1151)
[   10.293355][  T224]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.293357][  T224]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.293359][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.293363][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.293366][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.293368][  T224] RIP: 0033:0x7f5a1ee4a1b8
[   10.293370][  T224] Code: Unable to access opcode bytes at 0x7f5a1ee4a18e.

Code starting with the faulting instruction
===========================================
[   10.293372][  T224] RSP: 002b:00007ffe938ebc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.293374][  T224] RAX: ffffffffffffffda RBX: 00007f5a1ef7af88 RCX: 00007f5a1ee4a1b8
[   10.293376][  T224] RDX: 00007f5a1eb94fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.293377][  T224] RBP: 00007ffe938ebc80 R08: 0000000000000000 R09: 0000000000000050
[   10.293377][  T224] R10: 00007ffe938eba40 R11: 0000000000000246 R12: 0000000000000001
[   10.293378][  T224] R13: 0000000000000000 R14: 00007f5a1ef79680 R15: 00007f5a1ef7afa0
| [   24.911948][  T743] softirqs last disabled at (43830): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   24.911951][  T743] Preemption disabled at:
| [   24.911951][  T743] 0x0
| [   24.911961][  T743] Tainted: [W]=WARN
[   24.911962][  T743] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.911963][  T743] Call Trace:
[   24.911965][  T743]  <TASK>
[   24.911966][  T743]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.911973][  T743]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.911978][  T743]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.911981][  T743]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.911986][  T743]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.911988][  T743]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.911994][  T743]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.911997][  T743]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.912001][  T743]  put_chars (drivers/char/virtio_console.c:1176)
[   24.912003][  T743]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.912005][  T743]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.912008][  T743]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.912013][  T743]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.912021][  T743]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.912024][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.912026][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.912030][  T743]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.912034][  T743]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.912036][  T743]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.912039][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.912041][  T743]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.912045][  T743]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.912049][  T743]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.912051][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.912059][  T743]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.912062][  T743]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.912064][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.912065][  T743]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.912069][  T743]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.912071][  T743]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.912074][  T743]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.912077][  T743]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.912080][  T743]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.912084][  T743]  _printk (kernel/printk/printk.c:2504)
[   24.912087][  T743]  ? snapshot_read.cold (user.c:?)
[   24.912090][  T743]  ? 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)
[   24.912092][  T743]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.912096][  T743]  ? 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)
[   24.912099][  T743]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   24.912103][  T743]  ? exit_notify (kernel/exit.c:780)
[   24.912104][  T743]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.912107][  T743]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.912110][  T743]  do_group_exit (kernel/exit.c:1151)
[   24.912113][  T743]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   24.912115][  T743]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   24.912118][  T743]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.912122][  T743]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.912124][  T743]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.912126][  T743] RIP: 0033:0x7f68279681b8
[   24.912129][  T743] Code: Unable to access opcode bytes at 0x7f682796818e.

Code starting with the faulting instruction
===========================================
[   24.912130][  T743] RSP: 002b:00007ffda9a383b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.912132][  T743] RAX: ffffffffffffffda RBX: 00007f6827a98f88 RCX: 00007f68279681b8
[   24.912133][  T743] RDX: 00007f68276b2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   24.912134][  T743] RBP: 00007ffda9a38410 R08: 0000000000000000 R09: 0000000000000000
[   24.912135][  T743] R10: 00007ffda9a381d0 R11: 0000000000000246 R12: 0000000000000001
[   24.912136][  T743] R13: 0000000000000000 R14: 00007f6827a97680 R15: 00007f6827a98fa0
| [   39.861908][ T1329] softirqs last disabled at (28401): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   39.861910][ T1329] Preemption disabled at:
| [   39.861911][ T1329] 0x0
| [   39.861921][ T1329] Tainted: [W]=WARN
[   39.861922][ T1329] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.861924][ T1329] Call Trace:
[   39.861925][ T1329]  <TASK>
[   39.861927][ T1329]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.861933][ T1329]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.861937][ T1329]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.861941][ T1329]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.861946][ T1329]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.861948][ T1329]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.861955][ T1329]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.861957][ T1329]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.861961][ T1329]  put_chars (drivers/char/virtio_console.c:1176)
[   39.861964][ T1329]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.861965][ T1329]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.861968][ T1329]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.861974][ T1329]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.861982][ T1329]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.861985][ T1329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.861987][ T1329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.861991][ T1329]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.861995][ T1329]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.861997][ T1329]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   39.862000][ T1329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.862002][ T1329]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.862006][ T1329]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.862010][ T1329]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.862012][ T1329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.862017][ T1329]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.862020][ T1329]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.862022][ T1329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.862024][ T1329]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   39.862028][ T1329]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.862030][ T1329]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.862032][ T1329]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.862035][ T1329]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.862038][ T1329]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.862042][ T1329]  _printk (kernel/printk/printk.c:2504)
[   39.862046][ T1329]  ? snapshot_read.cold (user.c:?)
[   39.862049][ T1329]  ? 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)
[   39.862051][ T1329]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.862055][ T1329]  ? 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)
[   39.862060][ T1329]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   39.862064][ T1329]  ? exit_notify (kernel/exit.c:780)
[   39.862066][ T1329]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.862068][ T1329]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.862072][ T1329]  do_group_exit (kernel/exit.c:1151)
[   39.862075][ T1329]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   39.862077][ T1329]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   39.862080][ T1329]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.862084][ T1329]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.862087][ T1329]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.862089][ T1329] RIP: 0033:0x7f90f7a371b8
[   39.862091][ T1329] Code: Unable to access opcode bytes at 0x7f90f7a3718e.

Code starting with the faulting instruction
===========================================
[   39.862092][ T1329] RSP: 002b:00007fffd194ed68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   39.862095][ T1329] RAX: ffffffffffffffda RBX: 00007f90f7b67f88 RCX: 00007f90f7a371b8
[   39.862096][ T1329] RDX: 00007f90f7781fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   39.862097][ T1329] RBP: 00007fffd194edc0 R08: 0000000000000000 R09: 0000000000000050
[   39.862098][ T1329] R10: 00007fffd194eb80 R11: 0000000000000246 R12: 0000000000000001
[   39.862099][ T1329] R13: 0000000000000000 R14: 00007f90f7b66680 R15: 00007f90f7b67fa0
| [  126.253423][ T4015] softirqs last disabled at (42181): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  126.253427][ T4015] Preemption disabled at:
| [  126.253428][ T4015] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.253438][ T4015] Tainted: [W]=WARN
[  126.253440][ T4015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.253442][ T4015] Call Trace:
[  126.253444][ T4015]  <TASK>
[  126.253446][ T4015]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.253452][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.253454][ T4015]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.253458][ T4015]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.253462][ 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)
[  126.253467][ 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))
[  126.253468][ T4015]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.253475][ 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)
[  126.253477][ T4015]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.253481][ T4015]  put_chars (drivers/char/virtio_console.c:1176)
[  126.253484][ T4015]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.253486][ T4015]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  126.253492][ T4015]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.253500][ T4015]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.253502][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253505][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.253509][ T4015]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.253513][ T4015]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.253515][ 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))
[  126.253518][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253519][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.253523][ T4015]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.253527][ T4015]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.253529][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.253535][ T4015]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.253537][ T4015]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.253539][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253541][ 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)
[  126.253544][ T4015]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.253546][ T4015]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.253549][ T4015]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.253552][ T4015]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.253554][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.253555][ T4015]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  126.253560][ T4015]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  126.253563][ T4015]  _printk (kernel/printk/printk.c:2504)
[  126.253566][ T4015]  ? snapshot_read.cold (user.c:?)
[  126.253570][ T4015]  ? br_multicast_flood (??:?)
[  126.253573][ T4015]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  126.253575][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.253576][ T4015]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.253580][ T4015]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  126.253584][ T4015]  br_init_port (net/bridge/br_stp_if.c:39)
[  126.253586][ T4015]  new_nbp (net/bridge/br_if.c:449)
[  126.253590][ T4015]  br_add_if (net/bridge/br_if.c:592)
[  126.253593][ T4015]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  126.253596][ T4015]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  126.253602][ T4015]  do_set_master (net/core/rtnetlink.c:3071)
[  126.253605][ T4015]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  126.253609][ T4015]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  126.253612][ T4015]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  126.253613][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  126.253616][ T4015]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  126.253619][ T4015]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.253622][ T4015]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.253623][ T4015]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.253626][ T4015]  ? kasan_save_stack (mm/kasan/common.c:58)
[  126.253628][ T4015]  ? kasan_save_stack (mm/kasan/common.c:57)
[  126.253629][ T4015]  ? kasan_save_track (mm/kasan/common.c:78)
[  126.253630][ T4015]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  126.253633][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.253634][ T4015]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  126.253637][ T4015]  ? ___sys_sendmsg (net/socket.c:2758)
[  126.253641][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.253643][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.253646][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253647][ T4015]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.253649][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253650][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253652][ T4015]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.253654][ 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)
[  126.253655][ T4015]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.253657][ T4015]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.253661][ T4015]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.253662][ T4015]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.253667][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253669][ T4015]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  126.253674][ T4015]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.253679][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.253681][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.253686][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.253688][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.253690][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.253692][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.253695][ T4015]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.253697][ T4015]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.253700][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.253702][ T4015]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.253706][ T4015]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.253708][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.253712][ T4015]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.253715][ T4015]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.253718][ T4015]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.253724][ 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))
[  126.253726][ 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))
[  126.253731][ T4015]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.253735][ T4015]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.253737][ T4015]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.253741][ T4015]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.253745][ T4015]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.253749][ T4015]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.253751][ T4015]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  126.253756][ T4015]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.253759][ T4015]  ____sys_sendmsg (net/socket.c:2713)
[  126.253761][ T4015]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.253763][ T4015]  ? sock_write_iter (net/socket.c:1269)
[  126.253765][ T4015]  ? move_addr_to_kernel (net/socket.c:258)
[  126.253772][ T4015]  ___sys_sendmsg (net/socket.c:2767)
[  126.253775][ T4015]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.253790][ T4015]  __sys_sendmsg (net/socket.c:2799)
[  126.253793][ T4015]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.253800][ T4015]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.253803][ T4015]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.253806][ T4015]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.253809][ T4015]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.253811][ T4015] RIP: 0033:0x7f1b1732454e
[  126.253815][ 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
[  126.253817][ T4015] RSP: 002b:00007ffed9d14dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.253819][ T4015] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1b1732454e
[  126.253821][ T4015] RDX: 0000000000000000 RSI: 00007ffed9d14e80 RDI: 0000000000000005
[  126.253822][ T4015] RBP: 00007ffed9d14de0 R08: 0000000000000000 R09: 0000000000000000
[  126.253822][ T4015] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a5a
[  126.253823][ T4015] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed9d15540
| [  130.408782][   T12] softirqs last disabled at (4311588): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  130.408787][   T12] Preemption disabled at:
| [  130.408787][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  130.408796][   T12] Tainted: [W]=WARN
[  130.408796][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  130.408798][   T12] Workqueue: netns cleanup_net
[  130.408801][   T12] Call Trace:
[  130.408803][   T12]  <TASK>
[  130.408805][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  130.408811][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  130.408813][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  130.408817][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  130.408821][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  130.408826][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  130.408827][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.408834][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  130.408837][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.408841][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  130.408844][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  130.408847][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[  130.408852][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  130.408856][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  130.408862][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  130.408865][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.408870][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  130.408874][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  130.408876][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  130.408879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.408881][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.408885][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  130.408889][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  130.408891][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  130.408897][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  130.408900][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  130.408902][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.408904][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  130.408908][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  130.408910][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  130.408913][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  130.408916][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  130.408918][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  130.408920][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  130.408922][   T12]  ? kthread (kernel/kthread.c:436)
[  130.408924][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  130.408927][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  130.408932][   T12]  _printk (kernel/printk/printk.c:2504)
[  130.408936][   T12]  ? snapshot_read.cold (user.c:?)
[  130.408941][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  130.408945][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  130.408949][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  130.408952][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  130.408957][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.408959][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  130.408962][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  130.408964][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  130.408966][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  130.408971][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  130.408975][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  130.408981][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  130.408985][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  130.408988][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  130.408992][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  130.408996][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  130.408997][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  130.409000][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  130.409005][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  130.409008][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  130.409012][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.409014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.409017][   T12]  process_one_work (kernel/workqueue.c:3387)
[  130.409024][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  130.409027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  130.409035][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  130.409042][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  130.409045][   T12]  kthread (kernel/kthread.c:436)
[  130.409046][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  130.409050][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  130.409053][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  130.409061][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  130.409064][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  130.409068][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  130.409071][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  134.130188][ T4229] softirqs last disabled at (31677): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  134.130190][ T4229] Preemption disabled at:
| [  134.130191][ T4229] vprintk_emit (kernel/printk/printk.c:2471)
| [  134.130199][ T4229] Tainted: [W]=WARN
[  134.130200][ T4229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  134.130202][ T4229] Call Trace:
[  134.130203][ T4229]  <TASK>
[  134.130205][ T4229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  134.130211][ T4229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  134.130212][ T4229]  __might_resched.cold (kernel/sched/core.c:9234)
[  134.130217][ T4229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  134.130221][ T4229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  134.130226][ T4229]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  134.130228][ T4229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  134.130234][ T4229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  134.130237][ T4229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  134.130241][ T4229]  put_chars (drivers/char/virtio_console.c:1176)
[  134.130243][ T4229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  134.130244][ T4229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  134.130248][ T4229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  134.130255][ T4229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  134.130266][ T4229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  134.130269][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130271][ T4229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  134.130275][ T4229]  console_emit_next_record (kernel/printk/printk.c:3183)
[  134.130279][ T4229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  134.130281][ T4229]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  134.130284][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130286][ T4229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  134.130290][ T4229]  console_flush_one_record (kernel/printk/printk.c:3268)
[  134.130294][ T4229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  134.130296][ T4229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  134.130301][ T4229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  134.130304][ T4229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  134.130306][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130307][ T4229]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  134.130311][ T4229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  134.130313][ T4229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  134.130315][ T4229]  vprintk_emit (kernel/printk/printk.c:2479)
[  134.130318][ T4229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  134.130320][ T4229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  134.130323][ T4229]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  134.130327][ T4229]  _printk (kernel/printk/printk.c:2504)
[  134.130330][ T4229]  ? snapshot_read.cold (user.c:?)
[  134.130334][ T4229]  ? br_multicast_flood (??:?)
[  134.130337][ T4229]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  134.130338][ T4229]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  134.130340][ T4229]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  134.130344][ T4229]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  134.130348][ T4229]  br_init_port (net/bridge/br_stp_if.c:39)
[  134.130351][ T4229]  new_nbp (net/bridge/br_if.c:449)
[  134.130354][ T4229]  br_add_if (net/bridge/br_if.c:592)
[  134.130357][ T4229]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  134.130360][ T4229]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  134.130366][ T4229]  do_set_master (net/core/rtnetlink.c:3071)
[  134.130370][ T4229]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  134.130373][ T4229]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  134.130376][ T4229]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  134.130378][ T4229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  134.130380][ T4229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  134.130384][ T4229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  134.130386][ T4229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  134.130387][ T4229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  134.130390][ T4229]  ? kasan_save_stack (mm/kasan/common.c:58)
[  134.130392][ T4229]  ? kasan_save_stack (mm/kasan/common.c:57)
[  134.130393][ T4229]  ? kasan_save_track (mm/kasan/common.c:78)
[  134.130395][ T4229]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  134.130397][ T4229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  134.130399][ T4229]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  134.130402][ T4229]  ? ___sys_sendmsg (net/socket.c:2758)
[  134.130406][ T4229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  134.130408][ T4229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  134.130410][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130412][ T4229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  134.130413][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130415][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130416][ T4229]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  134.130419][ T4229]  ? __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)
[  134.130421][ T4229]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  134.130423][ T4229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  134.130426][ T4229]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  134.130427][ T4229]  ? nla_get_range_signed (lib/nlattr.c:270)
[  134.130434][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130438][ T4229]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  134.130444][ T4229]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  134.130449][ T4229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  134.130451][ T4229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  134.130455][ T4229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  134.130463][ T4229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  134.130465][ T4229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  134.130467][ T4229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  134.130471][ T4229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  134.130473][ T4229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  134.130476][ T4229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  134.130477][ T4229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  134.130481][ T4229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  134.130483][ T4229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  134.130487][ T4229]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  134.130490][ T4229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  134.130493][ T4229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  134.130499][ T4229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  134.130501][ T4229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  134.130506][ T4229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  134.130510][ T4229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  134.130512][ T4229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  134.130516][ T4229]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  134.130520][ T4229]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  134.130524][ T4229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  134.130526][ T4229]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  134.130534][ T4229]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  134.130537][ T4229]  ____sys_sendmsg (net/socket.c:2713)
[  134.130540][ T4229]  ? copy_msghdr_from_user (net/socket.c:2650)
[  134.130542][ T4229]  ? sock_write_iter (net/socket.c:1269)
[  134.130544][ T4229]  ? move_addr_to_kernel (net/socket.c:258)
[  134.130551][ T4229]  ___sys_sendmsg (net/socket.c:2767)
[  134.130554][ T4229]  ? copy_msghdr_from_user (net/socket.c:2619)
[  134.130569][ T4229]  __sys_sendmsg (net/socket.c:2799)
[  134.130572][ T4229]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  134.130578][ T4229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  134.130582][ T4229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  134.130585][ T4229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  134.130587][ T4229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  134.130590][ T4229] RIP: 0033:0x7fc004b1554e
[  134.130593][ T4229] 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
[  134.130595][ T4229] RSP: 002b:00007fff5022e290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  134.130598][ T4229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc004b1554e
[  134.130599][ T4229] RDX: 0000000000000000 RSI: 00007fff5022e340 RDI: 0000000000000005
[  134.130600][ T4229] RBP: 00007fff5022e2a0 R08: 0000000000000000 R09: 0000000000000000
[  134.130601][ T4229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a62
[  134.130602][ T4229] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5022ea00
| [  138.239467][   T12] softirqs last disabled at (4543776): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  138.239471][   T12] Preemption disabled at:
| [  138.239471][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  138.239480][   T12] Tainted: [W]=WARN
[  138.239480][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.239488][   T12] Workqueue: netns cleanup_net
[  138.239491][   T12] Call Trace:
[  138.239493][   T12]  <TASK>
[  138.239494][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.239501][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  138.239502][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  138.239507][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  138.239511][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  138.239515][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  138.239517][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.239524][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  138.239527][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.239530][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  138.239533][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  138.239534][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  138.239538][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  138.239541][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  138.239546][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  138.239550][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.239556][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  138.239559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.239564][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  138.239568][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.239570][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  138.239573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.239575][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.239579][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.239584][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.239586][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.239591][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.239594][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.239596][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.239598][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  138.239602][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.239603][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.239606][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.239610][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.239611][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  138.239613][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  138.239615][   T12]  ? kthread (kernel/kthread.c:436)
[  138.239617][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  138.239620][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  138.239625][   T12]  _printk (kernel/printk/printk.c:2504)
[  138.239629][   T12]  ? snapshot_read.cold (user.c:?)
[  138.239633][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  138.239637][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  138.239641][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  138.239644][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  138.239649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.239651][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  138.239653][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  138.239655][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  138.239658][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  138.239662][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  138.239666][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  138.239672][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  138.239676][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  138.239679][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  138.239683][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  138.239687][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  138.239688][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.239691][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  138.239696][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  138.239699][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  138.239703][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.239705][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.239709][   T12]  process_one_work (kernel/workqueue.c:3387)
[  138.239716][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  138.239719][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  138.239727][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  138.239734][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  138.239737][   T12]  kthread (kernel/kthread.c:436)
[  138.239739][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  138.239742][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  138.239745][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  138.239748][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  138.239751][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  138.239755][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  138.239757][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  141.759664][ T4431] softirqs last disabled at (40056): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  141.759667][ T4431] Preemption disabled at:
| [  141.759668][ T4431] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.759676][ T4431] Tainted: [W]=WARN
[  141.759677][ T4431] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.759679][ T4431] Call Trace:
[  141.759681][ T4431]  <TASK>
[  141.759682][ T4431]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.759688][ T4431]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.759690][ T4431]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.759694][ T4431]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.759699][ T4431]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  141.759703][ T4431]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  141.759705][ T4431]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.759712][ T4431]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  141.759715][ T4431]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.759719][ T4431]  put_chars (drivers/char/virtio_console.c:1176)
[  141.759721][ T4431]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.759723][ T4431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  141.759726][ T4431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  141.759732][ T4431]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.759740][ T4431]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.759743][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759745][ T4431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.759749][ T4431]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.759753][ T4431]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.759755][ T4431]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  141.759758][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759760][ T4431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.759764][ T4431]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.759769][ T4431]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.759771][ T4431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.759776][ T4431]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.759779][ T4431]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.759781][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759783][ T4431]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  141.759787][ T4431]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.759788][ T4431]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.759791][ T4431]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.759794][ T4431]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.759796][ T4431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.759799][ T4431]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  141.759803][ T4431]  _printk (kernel/printk/printk.c:2504)
[  141.759807][ T4431]  ? snapshot_read.cold (user.c:?)
[  141.759810][ T4431]  ? br_multicast_flood (??:?)
[  141.759814][ T4431]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  141.759815][ T4431]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.759816][ T4431]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.759821][ T4431]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  141.759825][ T4431]  br_init_port (net/bridge/br_stp_if.c:39)
[  141.759828][ T4431]  new_nbp (net/bridge/br_if.c:449)
[  141.759832][ T4431]  br_add_if (net/bridge/br_if.c:592)
[  141.759834][ T4431]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  141.759838][ T4431]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  141.759843][ T4431]  do_set_master (net/core/rtnetlink.c:3071)
[  141.759847][ T4431]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  141.759851][ T4431]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  141.759854][ T4431]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  141.759856][ T4431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  141.759858][ T4431]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  141.759862][ T4431]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  141.759864][ T4431]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  141.759866][ T4431]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  141.759868][ T4431]  ? kasan_save_stack (mm/kasan/common.c:58)
[  141.759870][ T4431]  ? kasan_save_stack (mm/kasan/common.c:57)
[  141.759872][ T4431]  ? kasan_save_track (mm/kasan/common.c:78)
[  141.759873][ T4431]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  141.759875][ T4431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.759877][ T4431]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  141.759880][ T4431]  ? ___sys_sendmsg (net/socket.c:2758)
[  141.759884][ T4431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.759886][ T4431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  141.759889][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759890][ T4431]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.759892][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759893][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759895][ T4431]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  141.759897][ T4431]  ? __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)
[  141.759900][ T4431]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  141.759902][ T4431]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  141.759905][ T4431]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  141.759906][ T4431]  ? nla_get_range_signed (lib/nlattr.c:270)
[  141.759912][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.759914][ T4431]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  141.759919][ T4431]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.759925][ T4431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.759927][ T4431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.759932][ T4431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.759934][ T4431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.759936][ T4431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.759938][ T4431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.759942][ T4431]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.759944][ T4431]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.759947][ T4431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.759948][ T4431]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.759953][ T4431]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.759955][ T4431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.759958][ T4431]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.759962][ T4431]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.759965][ T4431]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.759972][ T4431]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  141.759974][ T4431]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  141.759979][ T4431]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.759983][ T4431]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.759985][ T4431]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.759990][ T4431]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.759994][ T4431]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.759998][ T4431]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.760000][ T4431]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.760005][ T4431]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.760008][ T4431]  ____sys_sendmsg (net/socket.c:2713)
[  141.760011][ T4431]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.760013][ T4431]  ? sock_write_iter (net/socket.c:1269)
[  141.760014][ T4431]  ? move_addr_to_kernel (net/socket.c:258)
[  141.760022][ T4431]  ___sys_sendmsg (net/socket.c:2767)
[  141.760025][ T4431]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.760042][ T4431]  __sys_sendmsg (net/socket.c:2799)
[  141.760045][ T4431]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.760052][ T4431]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.760055][ T4431]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.760061][ T4431]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.760064][ T4431]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.760066][ T4431] RIP: 0033:0x7f7964ab854e
[  141.760070][ T4431] 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
[  141.760071][ T4431] RSP: 002b:00007ffe2553bea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.760074][ T4431] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7964ab854e
[  141.760075][ T4431] RDX: 0000000000000000 RSI: 00007ffe2553bf50 RDI: 0000000000000005
[  141.760076][ T4431] RBP: 00007ffe2553beb0 R08: 0000000000000000 R09: 0000000000000000
[  141.760077][ T4431] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a6a
[  141.760078][ T4431] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2553c610
| [  146.057263][   T12] softirqs last disabled at (4764466): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  146.057267][   T12] Preemption disabled at:
| [  146.057267][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  146.057276][   T12] Tainted: [W]=WARN
[  146.057277][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  146.057279][   T12] Workqueue: netns cleanup_net
[  146.057282][   T12] Call Trace:
[  146.057283][   T12]  <TASK>
[  146.057285][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  146.057292][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  146.057293][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  146.057298][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  146.057301][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  146.057306][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  146.057308][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.057314][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  146.057318][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  146.057322][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  146.057324][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  146.057325][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  146.057329][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  146.057332][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  146.057337][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  146.057341][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.057347][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  146.057350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.057354][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  146.057359][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  146.057360][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  146.057364][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.057366][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.057370][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  146.057374][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  146.057376][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  146.057382][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  146.057385][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  146.057386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.057388][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  146.057392][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  146.057394][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  146.057397][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  146.057400][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  146.057401][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  146.057403][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  146.057405][   T12]  ? kthread (kernel/kthread.c:436)
[  146.057407][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  146.057410][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  146.057415][   T12]  _printk (kernel/printk/printk.c:2504)
[  146.057419][   T12]  ? snapshot_read.cold (user.c:?)
[  146.057423][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  146.057427][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  146.057431][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  146.057434][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  146.057439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.057440][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  146.057443][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  146.057445][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  146.057448][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  146.057452][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  146.057456][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  146.057462][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  146.057466][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  146.057469][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  146.057473][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  146.057477][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  146.057478][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  146.057482][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  146.057486][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  146.057490][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  146.057493][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  146.057495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  146.057499][   T12]  process_one_work (kernel/workqueue.c:3387)
[  146.057505][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  146.057508][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  146.057516][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  146.057523][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  146.057526][   T12]  kthread (kernel/kthread.c:436)
[  146.057527][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  146.057538][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  146.057541][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  146.057543][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  146.057547][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  146.057551][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  146.057553][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  149.787102][ T4645] softirqs last disabled at (38946): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  149.787105][ T4645] Preemption disabled at:
| [  149.787105][ T4645] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.787113][ T4645] Tainted: [W]=WARN
[  149.787114][ T4645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.787116][ T4645] Call Trace:
[  149.787117][ T4645]  <TASK>
[  149.787119][ T4645]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.787125][ T4645]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.787126][ T4645]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.787131][ T4645]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.787135][ T4645]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  149.787139][ T4645]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.787141][ T4645]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.787147][ T4645]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.787150][ T4645]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.787154][ T4645]  put_chars (drivers/char/virtio_console.c:1176)
[  149.787156][ T4645]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.787157][ T4645]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  149.787161][ T4645]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  149.787166][ T4645]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.787174][ T4645]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.787177][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787179][ T4645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.787183][ T4645]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.787187][ T4645]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.787189][ T4645]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  149.787192][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787194][ T4645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.787198][ T4645]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.787202][ T4645]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.787204][ T4645]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.787210][ T4645]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.787212][ T4645]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.787214][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787216][ T4645]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  149.787220][ T4645]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.787222][ T4645]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.787224][ T4645]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.787227][ T4645]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.787229][ T4645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.787232][ T4645]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  149.787236][ T4645]  _printk (kernel/printk/printk.c:2504)
[  149.787239][ T4645]  ? snapshot_read.cold (user.c:?)
[  149.787243][ T4645]  ? br_multicast_flood (??:?)
[  149.787246][ T4645]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  149.787248][ T4645]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.787249][ T4645]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  149.787253][ T4645]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  149.787257][ T4645]  br_init_port (net/bridge/br_stp_if.c:39)
[  149.787260][ T4645]  new_nbp (net/bridge/br_if.c:449)
[  149.787264][ T4645]  br_add_if (net/bridge/br_if.c:592)
[  149.787266][ T4645]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  149.787270][ T4645]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  149.787275][ T4645]  do_set_master (net/core/rtnetlink.c:3071)
[  149.787279][ T4645]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  149.787282][ T4645]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  149.787286][ T4645]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  149.787287][ T4645]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  149.787290][ T4645]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  149.787293][ T4645]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  149.787295][ T4645]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  149.787297][ T4645]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  149.787299][ T4645]  ? kasan_save_stack (mm/kasan/common.c:58)
[  149.787302][ T4645]  ? kasan_save_stack (mm/kasan/common.c:57)
[  149.787303][ T4645]  ? kasan_save_track (mm/kasan/common.c:78)
[  149.787304][ T4645]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  149.787306][ T4645]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.787308][ T4645]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  149.787311][ T4645]  ? ___sys_sendmsg (net/socket.c:2758)
[  149.787315][ T4645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  149.787317][ T4645]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  149.787319][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787321][ T4645]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.787323][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787324][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787326][ T4645]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  149.787328][ T4645]  ? __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)
[  149.787330][ T4645]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  149.787332][ T4645]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  149.787336][ T4645]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  149.787337][ T4645]  ? nla_get_range_signed (lib/nlattr.c:270)
[  149.787342][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787344][ T4645]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  149.787350][ T4645]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.787355][ T4645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.787357][ T4645]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.787362][ T4645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  149.787363][ T4645]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.787366][ T4645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.787367][ T4645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.787371][ T4645]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.787373][ T4645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  149.787376][ T4645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.787378][ T4645]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  149.787382][ T4645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  149.787384][ T4645]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.787388][ T4645]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.787391][ T4645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.787394][ T4645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.787400][ T4645]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  149.787402][ T4645]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  149.787407][ T4645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.787411][ T4645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.787413][ T4645]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.787418][ T4645]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.787422][ T4645]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.787426][ T4645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  149.787427][ T4645]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  149.787433][ T4645]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  149.787435][ T4645]  ____sys_sendmsg (net/socket.c:2713)
[  149.787438][ T4645]  ? copy_msghdr_from_user (net/socket.c:2650)
[  149.787440][ T4645]  ? sock_write_iter (net/socket.c:1269)
[  149.787442][ T4645]  ? move_addr_to_kernel (net/socket.c:258)
[  149.787449][ T4645]  ___sys_sendmsg (net/socket.c:2767)
[  149.787452][ T4645]  ? copy_msghdr_from_user (net/socket.c:2619)
[  149.787468][ T4645]  __sys_sendmsg (net/socket.c:2799)
[  149.787471][ T4645]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  149.787478][ T4645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.787481][ T4645]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.787484][ T4645]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.787487][ T4645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.787489][ T4645] RIP: 0033:0x7f1e986c754e
[  149.787492][ T4645] 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
[  149.787494][ T4645] RSP: 002b:00007fffef1a8f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  149.787497][ T4645] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1e986c754e
[  149.787498][ T4645] RDX: 0000000000000000 RSI: 00007fffef1a9030 RDI: 0000000000000005
[  149.787499][ T4645] RBP: 00007fffef1a8f90 R08: 0000000000000000 R09: 0000000000000000
[  149.787500][ T4645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a72
[  149.787501][ T4645] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffef1a96f0
| [  153.994549][   T12] softirqs last disabled at (4990260): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  153.994553][   T12] Preemption disabled at:
| [  153.994553][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.994562][   T12] Tainted: [W]=WARN
[  153.994563][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.994564][   T12] Workqueue: netns cleanup_net
[  153.994567][   T12] Call Trace:
[  153.994569][   T12]  <TASK>
[  153.994571][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.994577][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.994584][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.994589][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.994593][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  153.994597][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  153.994599][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.994606][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  153.994608][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.994612][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  153.994615][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.994616][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  153.994620][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.994623][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  153.994628][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.994631][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.994637][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.994640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.994645][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.994649][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.994650][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  153.994654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.994656][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.994660][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.994664][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.994666][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.994671][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.994674][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.994676][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.994678][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  153.994682][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.994683][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.994686][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.994689][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.994691][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  153.994693][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  153.994695][   T12]  ? kthread (kernel/kthread.c:436)
[  153.994697][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  153.994700][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  153.994705][   T12]  _printk (kernel/printk/printk.c:2504)
[  153.994709][   T12]  ? snapshot_read.cold (user.c:?)
[  153.994713][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  153.994717][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  153.994721][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  153.994724][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  153.994728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.994730][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  153.994732][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  153.994734][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  153.994737][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  153.994741][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  153.994744][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  153.994751][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  153.994755][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  153.994758][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  153.994762][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  153.994766][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  153.994767][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.994770][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  153.994775][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  153.994778][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  153.994782][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.994784][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.994788][   T12]  process_one_work (kernel/workqueue.c:3387)
[  153.994795][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  153.994798][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  153.994806][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  153.994813][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  153.994815][   T12]  kthread (kernel/kthread.c:436)
[  153.994817][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  153.994820][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  153.994823][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  153.994826][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  153.994829][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  153.994833][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  153.994835][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  157.641027][ T4847] softirqs last disabled at (40864): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  157.641029][ T4847] Preemption disabled at:
| [  157.641030][ T4847] vprintk_emit (kernel/printk/printk.c:2471)
| [  157.641039][ T4847] Tainted: [W]=WARN
[  157.641040][ T4847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.641041][ T4847] Call Trace:
[  157.641043][ T4847]  <TASK>
[  157.641045][ T4847]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.641051][ T4847]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  157.641052][ T4847]  __might_resched.cold (kernel/sched/core.c:9234)
[  157.641059][ T4847]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  157.641064][ T4847]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  157.641068][ T4847]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  157.641070][ T4847]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.641076][ T4847]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  157.641079][ T4847]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.641083][ T4847]  put_chars (drivers/char/virtio_console.c:1176)
[  157.641086][ T4847]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  157.641087][ T4847]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.641090][ T4847]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.641096][ T4847]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  157.641103][ T4847]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  157.641106][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641108][ T4847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.641112][ T4847]  console_emit_next_record (kernel/printk/printk.c:3183)
[  157.641116][ T4847]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  157.641118][ T4847]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  157.641121][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641122][ T4847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.641126][ T4847]  console_flush_one_record (kernel/printk/printk.c:3268)
[  157.641131][ T4847]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  157.641132][ T4847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.641138][ T4847]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  157.641140][ T4847]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  157.641142][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641144][ T4847]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  157.641148][ T4847]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  157.641149][ T4847]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  157.641152][ T4847]  vprintk_emit (kernel/printk/printk.c:2479)
[  157.641155][ T4847]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  157.641157][ T4847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.641160][ T4847]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  157.641163][ T4847]  _printk (kernel/printk/printk.c:2504)
[  157.641167][ T4847]  ? snapshot_read.cold (user.c:?)
[  157.641170][ T4847]  ? br_multicast_flood (??:?)
[  157.641174][ T4847]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  157.641175][ T4847]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.641176][ T4847]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.641180][ T4847]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  157.641185][ T4847]  br_init_port (net/bridge/br_stp_if.c:39)
[  157.641187][ T4847]  new_nbp (net/bridge/br_if.c:449)
[  157.641191][ T4847]  br_add_if (net/bridge/br_if.c:592)
[  157.641193][ T4847]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  157.641197][ T4847]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  157.641202][ T4847]  do_set_master (net/core/rtnetlink.c:3071)
[  157.641206][ T4847]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  157.641209][ T4847]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  157.641213][ T4847]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  157.641214][ T4847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  157.641217][ T4847]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  157.641220][ T4847]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.641222][ T4847]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  157.641224][ T4847]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.641226][ T4847]  ? kasan_save_stack (mm/kasan/common.c:58)
[  157.641228][ T4847]  ? kasan_save_stack (mm/kasan/common.c:57)
[  157.641229][ T4847]  ? kasan_save_track (mm/kasan/common.c:78)
[  157.641231][ T4847]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  157.641233][ T4847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.641235][ T4847]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  157.641237][ T4847]  ? ___sys_sendmsg (net/socket.c:2758)
[  157.641241][ T4847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.641243][ T4847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.641246][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641247][ T4847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.641249][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641250][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641252][ T4847]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  157.641254][ T4847]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  157.641257][ T4847]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  157.641258][ T4847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.641262][ T4847]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  157.641263][ T4847]  ? nla_get_range_signed (lib/nlattr.c:270)
[  157.641268][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641270][ T4847]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  157.641275][ T4847]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.641280][ T4847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.641282][ T4847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.641287][ T4847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.641288][ T4847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.641291][ T4847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.641292][ T4847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.641296][ T4847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.641298][ T4847]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.641301][ T4847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.641302][ T4847]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.641307][ T4847]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.641309][ T4847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.641312][ T4847]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.641315][ T4847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.641318][ T4847]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  157.641324][ T4847]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  157.641326][ T4847]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  157.641331][ T4847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.641335][ T4847]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  157.641337][ T4847]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.641341][ T4847]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.641345][ T4847]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  157.641349][ T4847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.641351][ T4847]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  157.641356][ T4847]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  157.641358][ T4847]  ____sys_sendmsg (net/socket.c:2713)
[  157.641361][ T4847]  ? copy_msghdr_from_user (net/socket.c:2650)
[  157.641363][ T4847]  ? sock_write_iter (net/socket.c:1269)
[  157.641364][ T4847]  ? move_addr_to_kernel (net/socket.c:258)
[  157.641372][ T4847]  ___sys_sendmsg (net/socket.c:2767)
[  157.641374][ T4847]  ? copy_msghdr_from_user (net/socket.c:2619)
[  157.641390][ T4847]  __sys_sendmsg (net/socket.c:2799)
[  157.641393][ T4847]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  157.641399][ T4847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.641402][ T4847]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.641405][ T4847]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  157.641408][ T4847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.641410][ T4847] RIP: 0033:0x7fa02262554e
[  157.641414][ T4847] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  157.641415][ T4847] RSP: 002b:00007ffc2fc9d740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  157.641418][ T4847] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa02262554e
[  157.641419][ T4847] RDX: 0000000000000000 RSI: 00007ffc2fc9d7f0 RDI: 0000000000000005
[  157.641420][ T4847] RBP: 00007ffc2fc9d750 R08: 0000000000000000 R09: 0000000000000000
[  157.641421][ T4847] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a7a
[  157.641422][ T4847] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2fc9deb0
| [  161.793054][   T12] softirqs last disabled at (5190908): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  161.793062][   T12] Preemption disabled at:
| [  161.793063][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  161.793072][   T12] Tainted: [W]=WARN
[  161.793073][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.793074][   T12] Workqueue: netns cleanup_net
[  161.793077][   T12] Call Trace:
[  161.793079][   T12]  <TASK>
[  161.793081][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.793087][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  161.793089][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.793093][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.793097][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  161.793101][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  161.793103][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.793110][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  161.793113][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.793116][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  161.793119][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.793120][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  161.793124][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  161.793126][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  161.793131][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.793135][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  161.793141][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.793144][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.793149][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.793153][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.793155][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  161.793158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.793160][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.793164][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.793168][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.793170][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  161.793176][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.793178][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.793180][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.793182][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  161.793186][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.793188][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.793191][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.793194][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.793195][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  161.793197][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  161.793199][   T12]  ? kthread (kernel/kthread.c:436)
[  161.793201][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  161.793204][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  161.793209][   T12]  _printk (kernel/printk/printk.c:2504)
[  161.793213][   T12]  ? snapshot_read.cold (user.c:?)
[  161.793217][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  161.793221][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  161.793225][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  161.793228][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  161.793232][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.793234][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  161.793237][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  161.793239][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  161.793241][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  161.793245][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  161.793249][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  161.793255][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  161.793259][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  161.793262][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  161.793266][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  161.793270][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  161.793271][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  161.793274][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  161.793279][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  161.793282][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  161.793286][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.793288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.793292][   T12]  process_one_work (kernel/workqueue.c:3387)
[  161.793299][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  161.793302][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  161.793309][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  161.793317][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  161.793319][   T12]  kthread (kernel/kthread.c:436)
[  161.793321][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.793324][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  161.793327][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  161.793330][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  161.793333][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  161.793337][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  161.793340][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  165.574694][ T5061] softirqs last disabled at (42762): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  165.574696][ T5061] Preemption disabled at:
| [  165.574697][ T5061] vprintk_emit (kernel/printk/printk.c:2471)
| [  165.574706][ T5061] Tainted: [W]=WARN
[  165.574707][ T5061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  165.574708][ T5061] Call Trace:
[  165.574710][ T5061]  <TASK>
[  165.574711][ T5061]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  165.574717][ T5061]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  165.574719][ T5061]  __might_resched.cold (kernel/sched/core.c:9234)
[  165.574723][ T5061]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  165.574727][ T5061]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  165.574731][ T5061]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  165.574733][ T5061]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.574740][ T5061]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  165.574742][ T5061]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.574746][ T5061]  put_chars (drivers/char/virtio_console.c:1176)
[  165.574749][ T5061]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  165.574750][ T5061]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  165.574754][ T5061]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  165.574759][ T5061]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  165.574767][ T5061]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  165.574769][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574771][ T5061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.574775][ T5061]  console_emit_next_record (kernel/printk/printk.c:3183)
[  165.574779][ T5061]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  165.574781][ T5061]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  165.574784][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574786][ T5061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.574790][ T5061]  console_flush_one_record (kernel/printk/printk.c:3268)
[  165.574794][ T5061]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  165.574796][ T5061]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.574801][ T5061]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  165.574804][ T5061]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  165.574806][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574808][ T5061]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  165.574812][ T5061]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  165.574813][ T5061]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  165.574816][ T5061]  vprintk_emit (kernel/printk/printk.c:2479)
[  165.574819][ T5061]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  165.574821][ T5061]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.574824][ T5061]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  165.574827][ T5061]  _printk (kernel/printk/printk.c:2504)
[  165.574831][ T5061]  ? snapshot_read.cold (user.c:?)
[  165.574835][ T5061]  ? br_multicast_flood (??:?)
[  165.574838][ T5061]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  165.574839][ T5061]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  165.574841][ T5061]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  165.574845][ T5061]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  165.574849][ T5061]  br_init_port (net/bridge/br_stp_if.c:39)
[  165.574852][ T5061]  new_nbp (net/bridge/br_if.c:449)
[  165.574855][ T5061]  br_add_if (net/bridge/br_if.c:592)
[  165.574858][ T5061]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  165.574861][ T5061]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  165.574867][ T5061]  do_set_master (net/core/rtnetlink.c:3071)
[  165.574870][ T5061]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  165.574874][ T5061]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  165.574877][ T5061]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  165.574878][ T5061]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  165.574881][ T5061]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  165.574885][ T5061]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  165.574886][ T5061]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  165.574888][ T5061]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  165.574891][ T5061]  ? kasan_save_stack (mm/kasan/common.c:58)
[  165.574893][ T5061]  ? kasan_save_stack (mm/kasan/common.c:57)
[  165.574894][ T5061]  ? kasan_save_track (mm/kasan/common.c:78)
[  165.574895][ T5061]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  165.574897][ T5061]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.574899][ T5061]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  165.574902][ T5061]  ? ___sys_sendmsg (net/socket.c:2758)
[  165.574906][ T5061]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.574908][ T5061]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  165.574910][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574912][ T5061]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.574914][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574915][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574916][ T5061]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  165.574919][ T5061]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  165.574921][ T5061]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  165.574923][ T5061]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  165.574926][ T5061]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  165.574928][ T5061]  ? nla_get_range_signed (lib/nlattr.c:270)
[  165.574932][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.574934][ T5061]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  165.574940][ T5061]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  165.574945][ T5061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.574947][ T5061]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.574951][ T5061]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.574953][ T5061]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.574956][ T5061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.574957][ T5061]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.574961][ T5061]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.574963][ T5061]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  165.574966][ T5061]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  165.574967][ T5061]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  165.574972][ T5061]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  165.574974][ T5061]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.574977][ T5061]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  165.574981][ T5061]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  165.574984][ T5061]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  165.574990][ T5061]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  165.574992][ T5061]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  165.574997][ T5061]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  165.575001][ T5061]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  165.575003][ T5061]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  165.575007][ T5061]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  165.575011][ T5061]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  165.575015][ T5061]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  165.575017][ T5061]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  165.575022][ T5061]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  165.575025][ T5061]  ____sys_sendmsg (net/socket.c:2713)
[  165.575027][ T5061]  ? copy_msghdr_from_user (net/socket.c:2650)
[  165.575030][ T5061]  ? sock_write_iter (net/socket.c:1269)
[  165.575031][ T5061]  ? move_addr_to_kernel (net/socket.c:258)
[  165.575039][ T5061]  ___sys_sendmsg (net/socket.c:2767)
[  165.575041][ T5061]  ? copy_msghdr_from_user (net/socket.c:2619)
[  165.575060][ T5061]  __sys_sendmsg (net/socket.c:2799)
[  165.575063][ T5061]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  165.575069][ T5061]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.575072][ T5061]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  165.575075][ T5061]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  165.575078][ T5061]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  165.575080][ T5061] RIP: 0033:0x7f85a813854e
[  165.575084][ T5061] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  165.575085][ T5061] RSP: 002b:00007ffc70d40f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  165.575088][ T5061] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f85a813854e
[  165.575089][ T5061] RDX: 0000000000000000 RSI: 00007ffc70d41020 RDI: 0000000000000005
[  165.575090][ T5061] RBP: 00007ffc70d40f80 R08: 0000000000000000 R09: 0000000000000000
[  165.575091][ T5061] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a81
[  165.575092][ T5061] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc70d416e0
| [  169.634527][   T12] softirqs last disabled at (5415014): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  169.634531][   T12] Preemption disabled at:
| [  169.634532][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  169.634540][   T12] Tainted: [W]=WARN
[  169.634541][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  169.634543][   T12] Workqueue: netns cleanup_net
[  169.634546][   T12] Call Trace:
[  169.634548][   T12]  <TASK>
[  169.634549][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  169.634556][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  169.634557][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  169.634561][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  169.634565][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  169.634570][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  169.634572][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.634578][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  169.634581][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.634585][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  169.634587][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  169.634588][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  169.634592][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  169.634595][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  169.634600][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  169.634604][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.634609][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  169.634612][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.634617][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  169.634622][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  169.634624][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  169.634627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.634629][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.634633][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  169.634637][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  169.634639][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  169.634645][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  169.634648][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  169.634650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.634651][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  169.634655][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  169.634657][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  169.634660][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  169.634663][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  169.634665][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  169.634666][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  169.634668][   T12]  ? kthread (kernel/kthread.c:436)
[  169.634671][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  169.634673][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  169.634687][   T12]  _printk (kernel/printk/printk.c:2504)
[  169.634692][   T12]  ? snapshot_read.cold (user.c:?)
[  169.634699][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  169.634704][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  169.634710][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  169.634714][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  169.634721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.634724][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  169.634727][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  169.634729][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  169.634731][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  169.634736][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  169.634739][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  169.634746][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  169.634749][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  169.634753][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  169.634756][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  169.634760][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  169.634762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  169.634765][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  169.634770][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  169.634773][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  169.634777][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.634778][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.634782][   T12]  process_one_work (kernel/workqueue.c:3387)
[  169.634789][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  169.634792][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  169.634799][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  169.634807][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  169.634809][   T12]  kthread (kernel/kthread.c:436)
[  169.634811][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  169.634814][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  169.634817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  169.634820][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  169.634823][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  169.634827][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  169.634829][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  173.178410][ T5263] softirqs last disabled at (29384): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  173.178413][ T5263] Preemption disabled at:
| [  173.178414][ T5263] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.178422][ T5263] Tainted: [W]=WARN
[  173.178423][ T5263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.178425][ T5263] Call Trace:
[  173.178426][ T5263]  <TASK>
[  173.178428][ T5263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.178436][ T5263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.178438][ T5263]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.178443][ T5263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.178447][ T5263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  173.178452][ T5263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.178454][ T5263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.178460][ T5263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.178463][ T5263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.178467][ T5263]  put_chars (drivers/char/virtio_console.c:1176)
[  173.178469][ T5263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.178470][ T5263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  173.178474][ T5263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.178483][ T5263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.178492][ T5263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.178494][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178496][ T5263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.178501][ T5263]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.178505][ T5263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.178507][ T5263]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  173.178510][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178512][ T5263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.178516][ T5263]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.178522][ T5263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.178525][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.178531][ T5263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.178534][ T5263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.178536][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178538][ T5263]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  173.178541][ T5263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.178543][ T5263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.178546][ T5263]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.178550][ T5263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.178552][ T5263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.178555][ T5263]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  173.178558][ T5263]  _printk (kernel/printk/printk.c:2504)
[  173.178562][ T5263]  ? snapshot_read.cold (user.c:?)
[  173.178568][ T5263]  ? br_multicast_flood (??:?)
[  173.178573][ T5263]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  173.178574][ T5263]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.178575][ T5263]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.178580][ T5263]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  173.178584][ T5263]  br_init_port (net/bridge/br_stp_if.c:39)
[  173.178587][ T5263]  new_nbp (net/bridge/br_if.c:449)
[  173.178591][ T5263]  br_add_if (net/bridge/br_if.c:592)
[  173.178593][ T5263]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  173.178597][ T5263]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  173.178602][ T5263]  do_set_master (net/core/rtnetlink.c:3071)
[  173.178606][ T5263]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  173.178610][ T5263]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  173.178614][ T5263]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  173.178617][ T5263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  173.178620][ T5263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  173.178624][ T5263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  173.178626][ T5263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.178628][ T5263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.178630][ T5263]  ? kasan_save_stack (mm/kasan/common.c:58)
[  173.178633][ T5263]  ? kasan_save_stack (mm/kasan/common.c:57)
[  173.178634][ T5263]  ? kasan_save_track (mm/kasan/common.c:78)
[  173.178635][ T5263]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  173.178638][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.178640][ T5263]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  173.178642][ T5263]  ? ___sys_sendmsg (net/socket.c:2758)
[  173.178646][ T5263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.178648][ T5263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  173.178651][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178653][ T5263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.178654][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178656][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178658][ T5263]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  173.178662][ T5263]  ? __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)
[  173.178665][ T5263]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  173.178667][ T5263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  173.178670][ T5263]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  173.178672][ T5263]  ? nla_get_range_signed (lib/nlattr.c:270)
[  173.178677][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178679][ T5263]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  173.178685][ T5263]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.178690][ T5263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.178692][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.178703][ T5263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.178706][ T5263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.178709][ T5263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.178712][ T5263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.178719][ T5263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.178722][ T5263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.178728][ T5263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.178730][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.178735][ T5263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.178737][ T5263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.178741][ T5263]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.178745][ T5263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.178748][ T5263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.178754][ T5263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  173.178757][ T5263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  173.178763][ T5263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.178769][ T5263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.178772][ T5263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.178777][ T5263]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.178781][ T5263]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.178785][ T5263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.178787][ T5263]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  173.178792][ T5263]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.178795][ T5263]  ____sys_sendmsg (net/socket.c:2713)
[  173.178798][ T5263]  ? copy_msghdr_from_user (net/socket.c:2650)
[  173.178800][ T5263]  ? sock_write_iter (net/socket.c:1269)
[  173.178802][ T5263]  ? move_addr_to_kernel (net/socket.c:258)
[  173.178809][ T5263]  ___sys_sendmsg (net/socket.c:2767)
[  173.178812][ T5263]  ? copy_msghdr_from_user (net/socket.c:2619)
[  173.178832][ T5263]  __sys_sendmsg (net/socket.c:2799)
[  173.178835][ T5263]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  173.178842][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.178845][ T5263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.178848][ T5263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.178851][ T5263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.178853][ T5263] RIP: 0033:0x7fbdeeb3554e
[  173.178857][ T5263] 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
[  173.178859][ T5263] RSP: 002b:00007ffe67af4820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  173.178862][ T5263] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbdeeb3554e
[  173.178864][ T5263] RDX: 0000000000000000 RSI: 00007ffe67af48d0 RDI: 0000000000000005
[  173.178866][ T5263] RBP: 00007ffe67af4830 R08: 0000000000000000 R09: 0000000000000000
[  173.178867][ T5263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a89
[  173.178869][ T5263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe67af4f90
| [  177.299319][   T12] softirqs last disabled at (5630150): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  177.299323][   T12] Preemption disabled at:
| [  177.299324][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  177.299332][   T12] Tainted: [W]=WARN
[  177.299333][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  177.299335][   T12] Workqueue: netns cleanup_net
[  177.299338][   T12] Call Trace:
[  177.299340][   T12]  <TASK>
[  177.299342][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  177.299348][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  177.299349][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  177.299354][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  177.299358][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  177.299363][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  177.299365][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.299371][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  177.299374][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.299378][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  177.299380][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  177.299382][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  177.299385][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  177.299388][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  177.299393][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  177.299397][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.299403][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  177.299406][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.299411][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  177.299415][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  177.299417][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  177.299420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.299422][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.299426][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  177.299430][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  177.299432][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  177.299438][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  177.299441][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  177.299443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.299445][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  177.299448][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  177.299450][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  177.299453][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  177.299457][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  177.299458][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  177.299460][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  177.299462][   T12]  ? kthread (kernel/kthread.c:436)
[  177.299464][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  177.299467][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  177.299472][   T12]  _printk (kernel/printk/printk.c:2504)
[  177.299476][   T12]  ? snapshot_read.cold (user.c:?)
[  177.299480][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  177.299484][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  177.299488][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  177.299491][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  177.299496][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.299497][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  177.299500][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  177.299502][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  177.299505][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  177.299509][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  177.299513][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  177.299519][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  177.299523][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  177.299526][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  177.299530][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  177.299533][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  177.299535][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  177.299538][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  177.299543][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  177.299546][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  177.299550][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.299552][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.299556][   T12]  process_one_work (kernel/workqueue.c:3387)
[  177.299562][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  177.299565][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  177.299573][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  177.299581][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  177.299583][   T12]  kthread (kernel/kthread.c:436)
[  177.299585][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  177.299588][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  177.299591][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  177.299594][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  177.299597][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  177.299601][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  177.299604][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  181.184608][ T5478] softirqs last disabled at (41242): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  181.184611][ T5478] Preemption disabled at:
| [  181.184611][ T5478] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.184620][ T5478] Tainted: [W]=WARN
[  181.184621][ T5478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.184623][ T5478] Call Trace:
[  181.184624][ T5478]  <TASK>
[  181.184626][ T5478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.184632][ T5478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.184634][ T5478]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.184639][ T5478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.184643][ 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)
[  181.184648][ 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))
[  181.184650][ T5478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.184656][ 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)
[  181.184659][ T5478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.184663][ T5478]  put_chars (drivers/char/virtio_console.c:1176)
[  181.184665][ T5478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.184667][ T5478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.184670][ T5478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.184676][ T5478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.184684][ T5478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.184687][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184689][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.184693][ T5478]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.184697][ T5478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.184699][ 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))
[  181.184702][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184704][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.184708][ T5478]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.184713][ T5478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.184715][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.184720][ T5478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.184723][ T5478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.184725][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184727][ 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)
[  181.184730][ T5478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.184732][ T5478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.184735][ T5478]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.184738][ T5478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.184740][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.184743][ T5478]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  181.184753][ T5478]  _printk (kernel/printk/printk.c:2504)
[  181.184756][ T5478]  ? snapshot_read.cold (user.c:?)
[  181.184760][ T5478]  ? br_multicast_flood (??:?)
[  181.184764][ T5478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  181.184765][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.184766][ T5478]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.184771][ T5478]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  181.184775][ T5478]  br_init_port (net/bridge/br_stp_if.c:39)
[  181.184778][ T5478]  new_nbp (net/bridge/br_if.c:449)
[  181.184781][ T5478]  br_add_if (net/bridge/br_if.c:592)
[  181.184784][ T5478]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  181.184787][ T5478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.184793][ T5478]  do_set_master (net/core/rtnetlink.c:3071)
[  181.184797][ T5478]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  181.184801][ T5478]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  181.184804][ T5478]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  181.184805][ T5478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  181.184808][ T5478]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  181.184811][ T5478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.184814][ T5478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.184815][ T5478]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.184818][ T5478]  ? kasan_save_stack (mm/kasan/common.c:58)
[  181.184820][ T5478]  ? kasan_save_stack (mm/kasan/common.c:57)
[  181.184821][ T5478]  ? kasan_save_track (mm/kasan/common.c:78)
[  181.184822][ T5478]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  181.184825][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.184827][ T5478]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  181.184829][ T5478]  ? ___sys_sendmsg (net/socket.c:2758)
[  181.184833][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.184835][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  181.184838][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184840][ T5478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.184842][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184843][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184844][ T5478]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  181.184847][ 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)
[  181.184849][ T5478]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  181.184851][ T5478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  181.184855][ T5478]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  181.184856][ T5478]  ? nla_get_range_signed (lib/nlattr.c:270)
[  181.184861][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.184863][ T5478]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  181.184869][ T5478]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.184874][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.184876][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.184881][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.184883][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.184885][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.184887][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.184891][ T5478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.184893][ T5478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.184896][ T5478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.184897][ T5478]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.184902][ T5478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.184904][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.184908][ T5478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.184911][ T5478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.184914][ T5478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.184921][ 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))
[  181.184922][ 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))
[  181.184927][ T5478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.184931][ T5478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.184934][ T5478]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  181.184938][ T5478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.184943][ T5478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.184947][ T5478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.184948][ T5478]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.184954][ T5478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.184957][ T5478]  ____sys_sendmsg (net/socket.c:2713)
[  181.184959][ T5478]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.184961][ T5478]  ? sock_write_iter (net/socket.c:1269)
[  181.184963][ T5478]  ? move_addr_to_kernel (net/socket.c:258)
[  181.184971][ T5478]  ___sys_sendmsg (net/socket.c:2767)
[  181.184974][ T5478]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.184990][ T5478]  __sys_sendmsg (net/socket.c:2799)
[  181.184993][ T5478]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.185000][ T5478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.185003][ T5478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.185006][ T5478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.185009][ T5478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.185011][ T5478] RIP: 0033:0x7fc95110654e
[  181.185015][ 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
[  181.185017][ T5478] RSP: 002b:00007ffcd8db95a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.185019][ T5478] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc95110654e
[  181.185021][ T5478] RDX: 0000000000000000 RSI: 00007ffcd8db9650 RDI: 0000000000000005
[  181.185022][ T5478] RBP: 00007ffcd8db95b0 R08: 0000000000000000 R09: 0000000000000000
[  181.185022][ T5478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a91
[  181.185023][ T5478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd8db9d10
| [  185.557237][   T12] softirqs last disabled at (5828726): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [  185.557241][   T12] Preemption disabled at:
| [  185.557242][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.557250][   T12] Tainted: [W]=WARN
[  185.557251][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.557253][   T12] Workqueue: netns cleanup_net
[  185.557256][   T12] Call Trace:
[  185.557258][   T12]  <TASK>
[  185.557260][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.557266][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.557268][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.557272][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.557276][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  185.557281][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  185.557283][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.557290][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.557292][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.557296][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  185.557299][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.557300][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.557304][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.557307][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.557312][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.557316][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.557321][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.557325][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.557330][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.557334][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.557336][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  185.557339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.557341][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.557346][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.557350][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.557352][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.557358][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.557361][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.557363][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.557365][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  185.557369][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.557371][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.557374][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.557377][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.557379][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  185.557381][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  185.557383][   T12]  ? kthread (kernel/kthread.c:436)
[  185.557385][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  185.557388][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  185.557393][   T12]  _printk (kernel/printk/printk.c:2504)
[  185.557397][   T12]  ? snapshot_read.cold (user.c:?)
[  185.557402][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  185.557406][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  185.557410][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  185.557413][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  185.557417][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.557419][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  185.557422][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  185.557424][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  185.557427][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  185.557431][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  185.557435][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  185.557441][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  185.557445][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  185.557449][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  185.557452][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  185.557456][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  185.557458][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.557461][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  185.557466][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  185.557470][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  185.557474][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.557476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.557479][   T12]  process_one_work (kernel/workqueue.c:3387)
[  185.557486][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  185.557489][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.557498][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  185.557505][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  185.557508][   T12]  kthread (kernel/kthread.c:436)
[  185.557509][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  185.557513][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  185.557516][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  185.557519][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  185.557523][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  185.557526][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  185.557529][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  189.180590][ T5683] softirqs last disabled at (37934): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  189.180593][ T5683] Preemption disabled at:
| [  189.180594][ T5683] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.180602][ T5683] Tainted: [W]=WARN
[  189.180603][ T5683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.180605][ T5683] Call Trace:
[  189.180606][ T5683]  <TASK>
[  189.180608][ T5683]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.180614][ T5683]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.180616][ T5683]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.180621][ T5683]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.180625][ T5683]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  189.180629][ T5683]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  189.180631][ T5683]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.180638][ T5683]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  189.180641][ T5683]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.180645][ T5683]  put_chars (drivers/char/virtio_console.c:1176)
[  189.180647][ T5683]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.180648][ T5683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.180652][ T5683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.180658][ T5683]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.180666][ T5683]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.180669][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180671][ T5683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.180675][ T5683]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.180679][ T5683]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.180681][ T5683]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  189.180685][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180686][ T5683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.180691][ T5683]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.180695][ T5683]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.180697][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.180703][ T5683]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.180706][ T5683]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.180708][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180709][ T5683]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  189.180713][ T5683]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.180715][ T5683]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.180718][ T5683]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.180721][ T5683]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.180723][ T5683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.180726][ T5683]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  189.180730][ T5683]  _printk (kernel/printk/printk.c:2504)
[  189.180733][ T5683]  ? snapshot_read.cold (user.c:?)
[  189.180737][ T5683]  ? br_multicast_flood (??:?)
[  189.180741][ T5683]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  189.180742][ T5683]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.180743][ T5683]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.180748][ T5683]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  189.180752][ T5683]  br_init_port (net/bridge/br_stp_if.c:39)
[  189.180755][ T5683]  new_nbp (net/bridge/br_if.c:449)
[  189.180759][ T5683]  br_add_if (net/bridge/br_if.c:592)
[  189.180761][ T5683]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  189.180765][ T5683]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  189.180771][ T5683]  do_set_master (net/core/rtnetlink.c:3071)
[  189.180775][ T5683]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  189.180778][ T5683]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  189.180782][ T5683]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  189.180783][ T5683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  189.180786][ T5683]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  189.180789][ T5683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  189.180791][ T5683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  189.180793][ T5683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  189.180803][ T5683]  ? kasan_save_stack (mm/kasan/common.c:58)
[  189.180806][ T5683]  ? kasan_save_stack (mm/kasan/common.c:57)
[  189.180807][ T5683]  ? kasan_save_track (mm/kasan/common.c:78)
[  189.180808][ T5683]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  189.180811][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.180813][ T5683]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  189.180816][ T5683]  ? ___sys_sendmsg (net/socket.c:2758)
[  189.180820][ T5683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.180822][ T5683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  189.180824][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180826][ T5683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.180828][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180829][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180831][ T5683]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  189.180833][ T5683]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  189.180836][ T5683]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  189.180838][ T5683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  189.180841][ T5683]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  189.180843][ T5683]  ? nla_get_range_signed (lib/nlattr.c:270)
[  189.180848][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180850][ T5683]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  189.180855][ T5683]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.180861][ T5683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.180863][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.180867][ T5683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.180869][ T5683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.180872][ T5683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.180874][ T5683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.180877][ T5683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.180880][ T5683]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.180883][ T5683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.180884][ T5683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  189.180889][ T5683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  189.180891][ T5683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.180894][ T5683]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.180898][ T5683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.180901][ T5683]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  189.180908][ T5683]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  189.180910][ T5683]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  189.180914][ T5683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.180919][ T5683]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  189.180921][ T5683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  189.180926][ T5683]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.180930][ T5683]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  189.180934][ T5683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  189.180936][ T5683]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  189.180941][ T5683]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.180944][ T5683]  ____sys_sendmsg (net/socket.c:2713)
[  189.180947][ T5683]  ? copy_msghdr_from_user (net/socket.c:2650)
[  189.180949][ T5683]  ? sock_write_iter (net/socket.c:1269)
[  189.180951][ T5683]  ? move_addr_to_kernel (net/socket.c:258)
[  189.180958][ T5683]  ___sys_sendmsg (net/socket.c:2767)
[  189.180961][ T5683]  ? copy_msghdr_from_user (net/socket.c:2619)
[  189.180978][ T5683]  __sys_sendmsg (net/socket.c:2799)
[  189.180981][ T5683]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  189.180987][ T5683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.180990][ T5683]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.180994][ T5683]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.180997][ T5683]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.180999][ T5683] RIP: 0033:0x7f2de6c5454e
[  189.181003][ T5683] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  189.181005][ T5683] RSP: 002b:00007fff97c182f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  189.181007][ T5683] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2de6c5454e
[  189.181009][ T5683] RDX: 0000000000000000 RSI: 00007fff97c183a0 RDI: 0000000000000005
[  189.181010][ T5683] RBP: 00007fff97c18300 R08: 0000000000000000 R09: 0000000000000000
[  189.181011][ T5683] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a99
[  189.181012][ T5683] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff97c18a60
| [  193.444270][   T12] softirqs last disabled at (6038504): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  193.444273][   T12] Preemption disabled at:
| [  193.444274][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.444282][   T12] Tainted: [W]=WARN
[  193.444283][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.444285][   T12] Workqueue: netns cleanup_net
[  193.444289][   T12] Call Trace:
[  193.444290][   T12]  <TASK>
[  193.444292][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.444298][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.444300][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.444305][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.444309][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  193.444313][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  193.444316][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.444322][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  193.444325][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.444329][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  193.444332][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.444334][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  193.444338][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  193.444341][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  193.444346][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.444350][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.444356][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.444359][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.444365][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.444369][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.444371][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  193.444374][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.444376][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.444381][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.444385][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.444387][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  193.444393][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.444396][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.444398][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.444400][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  193.444404][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.444406][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.444410][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.444413][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.444414][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  193.444416][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  193.444418][   T12]  ? kthread (kernel/kthread.c:436)
[  193.444421][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  193.444424][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  193.444429][   T12]  _printk (kernel/printk/printk.c:2504)
[  193.444433][   T12]  ? snapshot_read.cold (user.c:?)
[  193.444437][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  193.444441][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  193.444446][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  193.444449][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  193.444454][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.444456][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  193.444458][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  193.444460][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  193.444463][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  193.444467][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  193.444471][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  193.444475][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  193.444476][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  193.444480][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  193.444484][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  193.444488][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  193.444492][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  193.444495][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  193.444497][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  193.444500][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  193.444505][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  193.444509][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  193.444513][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.444515][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.444519][   T12]  process_one_work (kernel/workqueue.c:3387)
[  193.444526][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  193.444529][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  193.444538][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  193.444545][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  193.444548][   T12]  kthread (kernel/kthread.c:436)
[  193.444550][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  193.444553][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  193.444556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  193.444559][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  193.444563][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  193.444566][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  193.444569][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  197.430770][ T5897] softirqs last disabled at (32628): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  197.430772][ T5897] Preemption disabled at:
| [  197.430773][ T5897] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.430782][ T5897] Tainted: [W]=WARN
[  197.430783][ T5897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.430784][ T5897] Call Trace:
[  197.430786][ T5897]  <TASK>
[  197.430787][ T5897]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.430793][ T5897]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.430795][ T5897]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.430799][ T5897]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.430804][ T5897]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  197.430808][ T5897]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  197.430810][ T5897]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.430816][ T5897]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  197.430819][ T5897]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.430823][ T5897]  put_chars (drivers/char/virtio_console.c:1176)
[  197.430826][ T5897]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.430827][ T5897]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.430831][ T5897]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.430836][ T5897]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.430844][ T5897]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.430854][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.430856][ T5897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.430860][ T5897]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.430864][ T5897]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.430866][ T5897]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  197.430870][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.430871][ T5897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.430876][ T5897]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.430880][ T5897]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.430882][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.430887][ T5897]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.430890][ T5897]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.430892][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.430894][ T5897]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  197.430898][ T5897]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.430900][ T5897]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.430903][ T5897]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.430906][ T5897]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.430908][ T5897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.430911][ T5897]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  197.430915][ T5897]  _printk (kernel/printk/printk.c:2504)
[  197.430918][ T5897]  ? snapshot_read.cold (user.c:?)
[  197.430922][ T5897]  ? br_multicast_flood (??:?)
[  197.430926][ T5897]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  197.430927][ T5897]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.430928][ T5897]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.430933][ T5897]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  197.430937][ T5897]  br_init_port (net/bridge/br_stp_if.c:39)
[  197.430939][ T5897]  new_nbp (net/bridge/br_if.c:449)
[  197.430943][ T5897]  br_add_if (net/bridge/br_if.c:592)
[  197.430946][ T5897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  197.430949][ T5897]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  197.430955][ T5897]  do_set_master (net/core/rtnetlink.c:3071)
[  197.430959][ T5897]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  197.430963][ T5897]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  197.430966][ T5897]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  197.430967][ T5897]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  197.430970][ T5897]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  197.430974][ T5897]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.430976][ T5897]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  197.430978][ T5897]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.430980][ T5897]  ? kasan_save_stack (mm/kasan/common.c:58)
[  197.430982][ T5897]  ? kasan_save_stack (mm/kasan/common.c:57)
[  197.430984][ T5897]  ? kasan_save_track (mm/kasan/common.c:78)
[  197.430985][ T5897]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  197.430987][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.430989][ T5897]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  197.430992][ T5897]  ? ___sys_sendmsg (net/socket.c:2758)
[  197.430996][ T5897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.430998][ T5897]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  197.431000][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.431002][ T5897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.431004][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.431005][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.431007][ T5897]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  197.431009][ T5897]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  197.431012][ T5897]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  197.431014][ T5897]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  197.431017][ T5897]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  197.431018][ T5897]  ? nla_get_range_signed (lib/nlattr.c:270)
[  197.431024][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.431026][ T5897]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  197.431031][ T5897]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.431037][ T5897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.431039][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.431043][ T5897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.431045][ T5897]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.431048][ T5897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.431050][ T5897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.431054][ T5897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.431058][ T5897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.431062][ T5897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.431063][ T5897]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.431068][ T5897]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.431070][ T5897]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.431073][ T5897]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.431076][ T5897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.431079][ T5897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  197.431086][ T5897]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  197.431088][ T5897]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  197.431093][ T5897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.431097][ T5897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  197.431099][ T5897]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.431104][ T5897]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.431108][ T5897]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  197.431112][ T5897]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.431113][ T5897]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  197.431118][ T5897]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.431121][ T5897]  ____sys_sendmsg (net/socket.c:2713)
[  197.431124][ T5897]  ? copy_msghdr_from_user (net/socket.c:2650)
[  197.431126][ T5897]  ? sock_write_iter (net/socket.c:1269)
[  197.431127][ T5897]  ? move_addr_to_kernel (net/socket.c:258)
[  197.431135][ T5897]  ___sys_sendmsg (net/socket.c:2767)
[  197.431138][ T5897]  ? copy_msghdr_from_user (net/socket.c:2619)
[  197.431154][ T5897]  __sys_sendmsg (net/socket.c:2799)
[  197.431157][ T5897]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  197.431163][ T5897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.431166][ T5897]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.431169][ T5897]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.431172][ T5897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.431174][ T5897] RIP: 0033:0x7f9157d9d54e
[  197.431178][ T5897] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  197.431180][ T5897] RSP: 002b:00007ffc5e456640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  197.431182][ T5897] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9157d9d54e
[  197.431184][ T5897] RDX: 0000000000000000 RSI: 00007ffc5e4566f0 RDI: 0000000000000005
[  197.431185][ T5897] RBP: 00007ffc5e456650 R08: 0000000000000000 R09: 0000000000000000
[  197.431186][ T5897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917aa1
[  197.431187][ T5897] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5e456db0
| [  201.546190][   T12] softirqs last disabled at (6255365): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  201.546192][   T12] Preemption disabled at:
| [  201.546193][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  201.546202][   T12] Tainted: [W]=WARN
[  201.546202][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  201.546204][   T12] Workqueue: netns cleanup_net
[  201.546207][   T12] Call Trace:
[  201.546209][   T12]  <TASK>
[  201.546211][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  201.546217][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  201.546218][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  201.546223][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  201.546227][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  201.546231][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  201.546233][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.546240][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  201.546243][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.546247][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  201.546250][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  201.546251][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  201.546255][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  201.546257][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  201.546263][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  201.546267][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  201.546272][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  201.546276][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.546281][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  201.546285][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  201.546287][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  201.546291][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.546293][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.546297][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  201.546301][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  201.546304][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  201.546309][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  201.546312][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  201.546314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.546316][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  201.546320][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  201.546322][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  201.546325][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  201.546328][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  201.546330][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  201.546332][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  201.546334][   T12]  ? kthread (kernel/kthread.c:436)
[  201.546336][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  201.546339][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  201.546344][   T12]  _printk (kernel/printk/printk.c:2504)
[  201.546348][   T12]  ? snapshot_read.cold (user.c:?)
[  201.546352][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  201.546356][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  201.546360][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  201.546363][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  201.546368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.546370][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  201.546373][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  201.546375][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  201.546377][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  201.546381][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  201.546385][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  201.546388][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  201.546390][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  201.546394][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  201.546397][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  201.546401][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  201.546405][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  201.546409][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  201.546411][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  201.546414][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  201.546419][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  201.546423][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  201.546427][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.546429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.546432][   T12]  process_one_work (kernel/workqueue.c:3387)
[  201.546439][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  201.546443][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  201.546451][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  201.546458][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  201.546461][   T12]  kthread (kernel/kthread.c:436)
[  201.546463][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.546466][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  201.546469][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  201.546472][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  201.546476][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  201.546479][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  201.546482][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  205.350644][ T6099] softirqs last disabled at (43414): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  205.350647][ T6099] Preemption disabled at:
| [  205.350648][ T6099] vprintk_emit (kernel/printk/printk.c:2471)
| [  205.350656][ T6099] Tainted: [W]=WARN
[  205.350657][ T6099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  205.350659][ T6099] Call Trace:
[  205.350660][ T6099]  <TASK>
[  205.350662][ T6099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  205.350668][ T6099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  205.350669][ T6099]  __might_resched.cold (kernel/sched/core.c:9234)
[  205.350674][ T6099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  205.350678][ T6099]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  205.350683][ T6099]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  205.350684][ T6099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.350691][ T6099]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  205.350694][ T6099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.350697][ T6099]  put_chars (drivers/char/virtio_console.c:1176)
[  205.350700][ T6099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  205.350701][ T6099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  205.350704][ T6099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  205.350710][ T6099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  205.350718][ T6099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  205.350720][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350722][ T6099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.350726][ T6099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  205.350730][ T6099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  205.350732][ T6099]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  205.350735][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350737][ T6099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.350741][ T6099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  205.350745][ T6099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  205.350747][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  205.350753][ T6099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  205.350756][ T6099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  205.350758][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350759][ T6099]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  205.350763][ T6099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  205.350765][ T6099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  205.350768][ T6099]  vprintk_emit (kernel/printk/printk.c:2479)
[  205.350771][ T6099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  205.350773][ T6099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  205.350776][ T6099]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  205.350779][ T6099]  _printk (kernel/printk/printk.c:2504)
[  205.350783][ T6099]  ? snapshot_read.cold (user.c:?)
[  205.350787][ T6099]  ? br_multicast_flood (??:?)
[  205.350790][ T6099]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  205.350791][ T6099]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  205.350793][ T6099]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  205.350797][ T6099]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  205.350801][ T6099]  br_init_port (net/bridge/br_stp_if.c:39)
[  205.350804][ T6099]  new_nbp (net/bridge/br_if.c:449)
[  205.350808][ T6099]  br_add_if (net/bridge/br_if.c:592)
[  205.350810][ T6099]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  205.350814][ T6099]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  205.350819][ T6099]  do_set_master (net/core/rtnetlink.c:3071)
[  205.350823][ T6099]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  205.350827][ T6099]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  205.350830][ T6099]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  205.350832][ T6099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  205.350834][ T6099]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  205.350838][ T6099]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  205.350840][ T6099]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  205.350842][ T6099]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  205.350844][ T6099]  ? kasan_save_stack (mm/kasan/common.c:58)
[  205.350846][ T6099]  ? kasan_save_stack (mm/kasan/common.c:57)
[  205.350848][ T6099]  ? kasan_save_track (mm/kasan/common.c:78)
[  205.350849][ T6099]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  205.350851][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  205.350853][ T6099]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  205.350856][ T6099]  ? ___sys_sendmsg (net/socket.c:2758)
[  205.350860][ T6099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  205.350862][ T6099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  205.350864][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350866][ T6099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.350868][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350869][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350870][ T6099]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  205.350873][ T6099]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  205.350875][ T6099]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  205.350877][ T6099]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  205.350881][ T6099]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  205.350882][ T6099]  ? nla_get_range_signed (lib/nlattr.c:270)
[  205.350887][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.350889][ T6099]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  205.350894][ T6099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  205.350906][ T6099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.350908][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  205.350913][ T6099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  205.350915][ T6099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  205.350917][ T6099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.350919][ T6099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  205.350923][ T6099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.350925][ T6099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  205.350928][ T6099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  205.350930][ T6099]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  205.350934][ T6099]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  205.350936][ T6099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  205.350940][ T6099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  205.350943][ T6099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  205.350946][ T6099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  205.350953][ T6099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  205.350955][ T6099]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  205.350959][ T6099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  205.350963][ T6099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  205.350966][ T6099]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  205.350970][ T6099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  205.350974][ T6099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  205.350978][ T6099]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  205.350980][ T6099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  205.350985][ T6099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  205.350988][ T6099]  ____sys_sendmsg (net/socket.c:2713)
[  205.350991][ T6099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  205.350993][ T6099]  ? sock_write_iter (net/socket.c:1269)
[  205.350995][ T6099]  ? move_addr_to_kernel (net/socket.c:258)
[  205.351002][ T6099]  ___sys_sendmsg (net/socket.c:2767)
[  205.351005][ T6099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  205.351021][ T6099]  __sys_sendmsg (net/socket.c:2799)
[  205.351024][ T6099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  205.351030][ T6099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.351033][ T6099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  205.351036][ T6099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  205.351039][ T6099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  205.351041][ T6099] RIP: 0033:0x7ff00dd1154e
[  205.351045][ T6099] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  205.351047][ T6099] RSP: 002b:00007fff612895a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  205.351050][ T6099] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff00dd1154e
[  205.351051][ T6099] RDX: 0000000000000000 RSI: 00007fff61289650 RDI: 0000000000000005
[  205.351052][ T6099] RBP: 00007fff612895b0 R08: 0000000000000000 R09: 0000000000000000
[  205.351053][ T6099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917aa9
[  205.351054][ T6099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff61289d10
| [  209.628860][   T12] softirqs last disabled at (6476010): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  209.628862][   T12] Preemption disabled at:
| [  209.628863][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  209.628872][   T12] Tainted: [W]=WARN
[  209.628873][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  209.628875][   T12] Workqueue: netns cleanup_net
[  209.628878][   T12] Call Trace:
[  209.628879][   T12]  <TASK>
[  209.628882][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  209.628888][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  209.628890][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  209.628894][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  209.628899][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  209.628903][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  209.628905][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.628912][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  209.628915][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.628919][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  209.628928][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  209.628929][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  209.628933][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  209.628936][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  209.628942][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  209.628946][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.628952][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  209.628955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.628960][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  209.628964][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  209.628966][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  209.628970][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.628972][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.628976][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  209.628981][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  209.628983][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  209.628989][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  209.628992][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  209.628994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.628996][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  209.629000][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  209.629002][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  209.629005][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  209.629008][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  209.629010][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  209.629012][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  209.629013][   T12]  ? kthread (kernel/kthread.c:436)
[  209.629016][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  209.629020][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  209.629027][   T12]  _printk (kernel/printk/printk.c:2504)
[  209.629032][   T12]  ? snapshot_read.cold (user.c:?)
[  209.629037][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  209.629041][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  209.629045][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  209.629048][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  209.629052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.629060][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  209.629063][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  209.629065][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  209.629067][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  209.629072][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  209.629076][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  209.629079][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  209.629081][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  209.629085][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  209.629089][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  209.629092][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  209.629096][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  209.629100][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  209.629102][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  209.629105][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  209.629110][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  209.629113][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  209.629117][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.629120][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.629126][   T12]  process_one_work (kernel/workqueue.c:3387)
[  209.629134][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  209.629137][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  209.629146][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  209.629153][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  209.629156][   T12]  kthread (kernel/kthread.c:436)
[  209.629158][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  209.629161][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  209.629164][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  209.629167][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  209.629171][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  209.629174][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  209.629177][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  213.522025][ T6316] softirqs last disabled at (49146): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  213.522028][ T6316] Preemption disabled at:
| [  213.522028][ T6316] vprintk_emit (kernel/printk/printk.c:2471)
| [  213.522037][ T6316] Tainted: [W]=WARN
[  213.522038][ T6316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.522039][ T6316] Call Trace:
[  213.522041][ T6316]  <TASK>
[  213.522042][ T6316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  213.522048][ T6316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  213.522050][ T6316]  __might_resched.cold (kernel/sched/core.c:9234)
[  213.522055][ T6316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  213.522061][ T6316]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  213.522066][ T6316]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  213.522068][ T6316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.522074][ T6316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  213.522077][ T6316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.522081][ T6316]  put_chars (drivers/char/virtio_console.c:1176)
[  213.522084][ T6316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  213.522085][ T6316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  213.522089][ T6316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  213.522094][ T6316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  213.522102][ T6316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  213.522105][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522107][ T6316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.522112][ T6316]  console_emit_next_record (kernel/printk/printk.c:3183)
[  213.522116][ T6316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  213.522118][ T6316]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  213.522121][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522123][ T6316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.522127][ T6316]  console_flush_one_record (kernel/printk/printk.c:3268)
[  213.522131][ T6316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  213.522133][ T6316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.522139][ T6316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  213.522142][ T6316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  213.522144][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522145][ T6316]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  213.522149][ T6316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  213.522151][ T6316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  213.522154][ T6316]  vprintk_emit (kernel/printk/printk.c:2479)
[  213.522157][ T6316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  213.522159][ T6316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  213.522162][ T6316]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  213.522166][ T6316]  _printk (kernel/printk/printk.c:2504)
[  213.522170][ T6316]  ? snapshot_read.cold (user.c:?)
[  213.522173][ T6316]  ? br_multicast_flood (??:?)
[  213.522177][ T6316]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  213.522178][ T6316]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  213.522179][ T6316]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  213.522184][ T6316]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  213.522188][ T6316]  br_init_port (net/bridge/br_stp_if.c:39)
[  213.522191][ T6316]  new_nbp (net/bridge/br_if.c:449)
[  213.522195][ T6316]  br_add_if (net/bridge/br_if.c:592)
[  213.522197][ T6316]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  213.522201][ T6316]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  213.522207][ T6316]  do_set_master (net/core/rtnetlink.c:3071)
[  213.522211][ T6316]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  213.522214][ T6316]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  213.522218][ T6316]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  213.522219][ T6316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  213.522222][ T6316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  213.522225][ T6316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  213.522227][ T6316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  213.522229][ T6316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  213.522232][ T6316]  ? kasan_save_stack (mm/kasan/common.c:58)
[  213.522234][ T6316]  ? kasan_save_stack (mm/kasan/common.c:57)
[  213.522236][ T6316]  ? kasan_save_track (mm/kasan/common.c:78)
[  213.522237][ T6316]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  213.522239][ T6316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.522241][ T6316]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  213.522244][ T6316]  ? ___sys_sendmsg (net/socket.c:2758)
[  213.522248][ T6316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  213.522250][ T6316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  213.522253][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522254][ T6316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.522256][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522257][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522259][ T6316]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  213.522262][ T6316]  ? __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)
[  213.522264][ T6316]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  213.522266][ T6316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  213.522270][ T6316]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  213.522271][ T6316]  ? nla_get_range_signed (lib/nlattr.c:270)
[  213.522276][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522278][ T6316]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  213.522284][ T6316]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  213.522289][ T6316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.522291][ T6316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.522296][ T6316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  213.522298][ T6316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  213.522300][ T6316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.522302][ T6316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  213.522306][ T6316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.522308][ T6316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  213.522311][ T6316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  213.522313][ T6316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  213.522317][ T6316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  213.522319][ T6316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  213.522323][ T6316]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.522326][ T6316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  213.522329][ T6316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  213.522336][ T6316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  213.522338][ T6316]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  213.522343][ T6316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.522347][ T6316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  213.522350][ T6316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  213.522354][ T6316]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.522358][ T6316]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  213.522362][ T6316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  213.522364][ T6316]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  213.522369][ T6316]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.522372][ T6316]  ____sys_sendmsg (net/socket.c:2713)
[  213.522374][ T6316]  ? copy_msghdr_from_user (net/socket.c:2650)
[  213.522377][ T6316]  ? sock_write_iter (net/socket.c:1269)
[  213.522379][ T6316]  ? move_addr_to_kernel (net/socket.c:258)
[  213.522386][ T6316]  ___sys_sendmsg (net/socket.c:2767)
[  213.522389][ T6316]  ? copy_msghdr_from_user (net/socket.c:2619)
[  213.522406][ T6316]  __sys_sendmsg (net/socket.c:2799)
[  213.522409][ T6316]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  213.522415][ T6316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.522418][ T6316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.522421][ T6316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  213.522425][ T6316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.522427][ T6316] RIP: 0033:0x7fce4dbf854e
[  213.522431][ T6316] 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
[  213.522433][ T6316] RSP: 002b:00007ffc4a8c1f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  213.522435][ T6316] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fce4dbf854e
[  213.522437][ T6316] RDX: 0000000000000000 RSI: 00007ffc4a8c2030 RDI: 0000000000000005
[  213.522438][ T6316] RBP: 00007ffc4a8c1f90 R08: 0000000000000000 R09: 0000000000000000
[  213.522439][ T6316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ab1
[  213.522440][ T6316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4a8c26f0
| [  217.782011][   T12] softirqs last disabled at (6682508): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  217.782013][   T12] Preemption disabled at:
| [  217.782014][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.782023][   T12] Tainted: [W]=WARN
[  217.782023][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.782025][   T12] Workqueue: netns cleanup_net
[  217.782028][   T12] Call Trace:
[  217.782030][   T12]  <TASK>
[  217.782032][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.782039][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.782041][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.782045][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.782049][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  217.782058][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  217.782060][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.782067][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  217.782070][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.782074][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  217.782077][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.782078][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.782082][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.782085][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.782091][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.782095][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.782100][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.782104][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.782109][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.782113][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.782115][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  217.782119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.782121][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.782125][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.782130][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.782132][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.782138][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.782141][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.782143][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.782145][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  217.782149][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.782151][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.782154][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.782157][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.782159][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  217.782161][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  217.782163][   T12]  ? kthread (kernel/kthread.c:436)
[  217.782165][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  217.782168][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  217.782173][   T12]  _printk (kernel/printk/printk.c:2504)
[  217.782177][   T12]  ? snapshot_read.cold (user.c:?)
[  217.782182][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  217.782186][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  217.782190][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  217.782193][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  217.782198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.782200][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  217.782203][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  217.782205][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  217.782208][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  217.782212][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  217.782216][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  217.782219][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  217.782220][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  217.782224][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  217.782228][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  217.782232][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  217.782236][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  217.782239][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  217.782241][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.782244][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  217.782249][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  217.782253][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  217.782257][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.782259][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.782262][   T12]  process_one_work (kernel/workqueue.c:3387)
[  217.782270][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  217.782273][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.782281][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  217.782289][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  217.782291][   T12]  kthread (kernel/kthread.c:436)
[  217.782293][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.782297][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  217.782300][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  217.782303][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  217.782306][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  217.782310][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  217.782313][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  221.520523][ T6518] softirqs last disabled at (39058): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  221.520525][ T6518] Preemption disabled at:
| [  221.520526][ T6518] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.520535][ T6518] Tainted: [W]=WARN
[  221.520536][ T6518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.520537][ T6518] Call Trace:
[  221.520539][ T6518]  <TASK>
[  221.520540][ T6518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.520547][ T6518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.520549][ T6518]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.520553][ T6518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.520557][ T6518]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  221.520562][ T6518]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  221.520564][ T6518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.520570][ T6518]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  221.520573][ T6518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.520577][ T6518]  put_chars (drivers/char/virtio_console.c:1176)
[  221.520580][ T6518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.520581][ T6518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  221.520584][ T6518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.520590][ T6518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.520598][ T6518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.520601][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520603][ T6518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.520607][ T6518]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.520612][ T6518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.520614][ T6518]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  221.520617][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520619][ T6518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.520623][ T6518]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.520627][ T6518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.520629][ T6518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.520635][ T6518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.520638][ T6518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.520640][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520642][ T6518]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  221.520646][ T6518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.520648][ T6518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.520650][ T6518]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.520654][ T6518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.520656][ T6518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.520659][ T6518]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  221.520662][ T6518]  _printk (kernel/printk/printk.c:2504)
[  221.520666][ T6518]  ? snapshot_read.cold (user.c:?)
[  221.520670][ T6518]  ? br_multicast_flood (??:?)
[  221.520673][ T6518]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  221.520674][ T6518]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.520676][ T6518]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.520680][ T6518]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  221.520685][ T6518]  br_init_port (net/bridge/br_stp_if.c:39)
[  221.520687][ T6518]  new_nbp (net/bridge/br_if.c:449)
[  221.520691][ T6518]  br_add_if (net/bridge/br_if.c:592)
[  221.520694][ T6518]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  221.520697][ T6518]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  221.520703][ T6518]  do_set_master (net/core/rtnetlink.c:3071)
[  221.520707][ T6518]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  221.520710][ T6518]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  221.520714][ T6518]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  221.520715][ T6518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  221.520718][ T6518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  221.520721][ T6518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  221.520723][ T6518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.520725][ T6518]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.520728][ T6518]  ? kasan_save_stack (mm/kasan/common.c:58)
[  221.520730][ T6518]  ? kasan_save_stack (mm/kasan/common.c:57)
[  221.520731][ T6518]  ? kasan_save_track (mm/kasan/common.c:78)
[  221.520733][ T6518]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  221.520735][ T6518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.520737][ T6518]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  221.520740][ T6518]  ? ___sys_sendmsg (net/socket.c:2758)
[  221.520743][ T6518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.520745][ T6518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.520748][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520750][ T6518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.520752][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520753][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520754][ T6518]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  221.520757][ T6518]  ? __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)
[  221.520759][ T6518]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  221.520761][ T6518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.520765][ T6518]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  221.520766][ T6518]  ? nla_get_range_signed (lib/nlattr.c:270)
[  221.520771][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520774][ T6518]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  221.520779][ T6518]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.520785][ T6518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.520787][ T6518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.520791][ T6518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.520793][ T6518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.520795][ T6518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.520797][ T6518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.520801][ T6518]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.520804][ T6518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.520807][ T6518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.520808][ T6518]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.520813][ T6518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.520815][ T6518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.520818][ T6518]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.520822][ T6518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.520825][ T6518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.520831][ T6518]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  221.520833][ T6518]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  221.520838][ T6518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.520842][ T6518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.520845][ T6518]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.520849][ T6518]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.520853][ T6518]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.520857][ T6518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.520859][ T6518]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  221.520864][ T6518]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.520867][ T6518]  ____sys_sendmsg (net/socket.c:2713)
[  221.520870][ T6518]  ? copy_msghdr_from_user (net/socket.c:2650)
[  221.520872][ T6518]  ? sock_write_iter (net/socket.c:1269)
[  221.520874][ T6518]  ? move_addr_to_kernel (net/socket.c:258)
[  221.520881][ T6518]  ___sys_sendmsg (net/socket.c:2767)
[  221.520884][ T6518]  ? copy_msghdr_from_user (net/socket.c:2619)
[  221.520901][ T6518]  __sys_sendmsg (net/socket.c:2799)
[  221.520904][ T6518]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  221.520911][ T6518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.520914][ T6518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.520917][ T6518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.520920][ T6518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.520922][ T6518] RIP: 0033:0x7f824aaaf54e
[  221.520926][ T6518] 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
[  221.520928][ T6518] RSP: 002b:00007fff3351bc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  221.520931][ T6518] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f824aaaf54e
[  221.520932][ T6518] RDX: 0000000000000000 RSI: 00007fff3351bd00 RDI: 0000000000000005
[  221.520933][ T6518] RBP: 00007fff3351bc60 R08: 0000000000000000 R09: 0000000000000000
[  221.520934][ T6518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ab9
[  221.520935][ T6518] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3351c3c0
| [  225.742918][   T12] softirqs last disabled at (6894860): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  225.742921][   T12] Preemption disabled at:
| [  225.742921][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  225.742930][   T12] Tainted: [W]=WARN
[  225.742931][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  225.742933][   T12] Workqueue: netns cleanup_net
[  225.742936][   T12] Call Trace:
[  225.742938][   T12]  <TASK>
[  225.742940][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  225.742946][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  225.742947][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  225.742952][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  225.742956][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  225.742961][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  225.742963][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.742970][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  225.742972][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  225.742976][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  225.742979][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  225.742981][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  225.742984][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  225.742987][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  225.742992][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  225.742997][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.743002][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  225.743006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.743011][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  225.743015][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  225.743017][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  225.743026][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.743028][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.743032][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  225.743037][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  225.743039][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  225.743045][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  225.743048][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  225.743050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.743052][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  225.743056][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  225.743060][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  225.743063][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  225.743067][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  225.743068][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  225.743070][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  225.743072][   T12]  ? kthread (kernel/kthread.c:436)
[  225.743074][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  225.743077][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  225.743082][   T12]  _printk (kernel/printk/printk.c:2504)
[  225.743086][   T12]  ? snapshot_read.cold (user.c:?)
[  225.743091][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  225.743095][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  225.743099][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  225.743102][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  225.743107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.743109][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  225.743112][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  225.743114][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  225.743117][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  225.743121][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  225.743125][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  225.743128][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  225.743130][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  225.743134][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  225.743137][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  225.743141][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  225.743145][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  225.743149][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  225.743150][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  225.743154][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  225.743158][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  225.743162][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  225.743166][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  225.743168][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  225.743171][   T12]  process_one_work (kernel/workqueue.c:3387)
[  225.743179][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  225.743182][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  225.743190][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  225.743198][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  225.743200][   T12]  kthread (kernel/kthread.c:436)
[  225.743202][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  225.743205][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  225.743208][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  225.743211][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  225.743215][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  225.743218][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  225.743221][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  229.584303][ T6732] softirqs last disabled at (42432): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  229.584305][ T6732] Preemption disabled at:
| [  229.584306][ T6732] vprintk_emit (kernel/printk/printk.c:2471)
| [  229.584314][ T6732] Tainted: [W]=WARN
[  229.584315][ T6732] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  229.584317][ T6732] Call Trace:
[  229.584318][ T6732]  <TASK>
[  229.584320][ T6732]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  229.584326][ T6732]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  229.584328][ T6732]  __might_resched.cold (kernel/sched/core.c:9234)
[  229.584332][ T6732]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  229.584336][ T6732]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  229.584341][ T6732]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  229.584343][ T6732]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  229.584350][ T6732]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  229.584353][ T6732]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  229.584356][ T6732]  put_chars (drivers/char/virtio_console.c:1176)
[  229.584359][ T6732]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  229.584360][ T6732]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  229.584364][ T6732]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  229.584370][ T6732]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  229.584378][ T6732]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  229.584380][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584382][ T6732]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  229.584387][ T6732]  console_emit_next_record (kernel/printk/printk.c:3183)
[  229.584391][ T6732]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  229.584393][ T6732]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  229.584396][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584398][ T6732]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  229.584402][ T6732]  console_flush_one_record (kernel/printk/printk.c:3268)
[  229.584406][ T6732]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  229.584408][ T6732]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  229.584414][ T6732]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  229.584417][ T6732]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  229.584419][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584420][ T6732]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  229.584424][ T6732]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  229.584426][ T6732]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  229.584429][ T6732]  vprintk_emit (kernel/printk/printk.c:2479)
[  229.584432][ T6732]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  229.584434][ T6732]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  229.584437][ T6732]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  229.584441][ T6732]  _printk (kernel/printk/printk.c:2504)
[  229.584445][ T6732]  ? snapshot_read.cold (user.c:?)
[  229.584448][ T6732]  ? br_multicast_flood (??:?)
[  229.584452][ T6732]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  229.584453][ T6732]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  229.584455][ T6732]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  229.584459][ T6732]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  229.584463][ T6732]  br_init_port (net/bridge/br_stp_if.c:39)
[  229.584466][ T6732]  new_nbp (net/bridge/br_if.c:449)
[  229.584470][ T6732]  br_add_if (net/bridge/br_if.c:592)
[  229.584473][ T6732]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  229.584477][ T6732]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  229.584482][ T6732]  do_set_master (net/core/rtnetlink.c:3071)
[  229.584486][ T6732]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  229.584490][ T6732]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  229.584493][ T6732]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  229.584495][ T6732]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  229.584497][ T6732]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  229.584501][ T6732]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  229.584503][ T6732]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  229.584505][ T6732]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  229.584507][ T6732]  ? kasan_save_stack (mm/kasan/common.c:58)
[  229.584510][ T6732]  ? kasan_save_stack (mm/kasan/common.c:57)
[  229.584511][ T6732]  ? kasan_save_track (mm/kasan/common.c:78)
[  229.584512][ T6732]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  229.584514][ T6732]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  229.584516][ T6732]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  229.584519][ T6732]  ? ___sys_sendmsg (net/socket.c:2758)
[  229.584523][ T6732]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  229.584525][ T6732]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  229.584528][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584530][ T6732]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  229.584531][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584532][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584534][ T6732]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  229.584537][ T6732]  ? __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)
[  229.584539][ T6732]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  229.584541][ T6732]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  229.584545][ T6732]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  229.584546][ T6732]  ? nla_get_range_signed (lib/nlattr.c:270)
[  229.584551][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584553][ T6732]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  229.584559][ T6732]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  229.584564][ T6732]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  229.584566][ T6732]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  229.584571][ T6732]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  229.584573][ T6732]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  229.584576][ T6732]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  229.584577][ T6732]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  229.584581][ T6732]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  229.584583][ T6732]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  229.584587][ T6732]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  229.584588][ T6732]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  229.584593][ T6732]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  229.584595][ T6732]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  229.584598][ T6732]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  229.584602][ T6732]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  229.584605][ T6732]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  229.584612][ T6732]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  229.584614][ T6732]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  229.584618][ T6732]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  229.584622][ T6732]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  229.584625][ T6732]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  229.584630][ T6732]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  229.584634][ T6732]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  229.584638][ T6732]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  229.584639][ T6732]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  229.584645][ T6732]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  229.584648][ T6732]  ____sys_sendmsg (net/socket.c:2713)
[  229.584650][ T6732]  ? copy_msghdr_from_user (net/socket.c:2650)
[  229.584653][ T6732]  ? sock_write_iter (net/socket.c:1269)
[  229.584654][ T6732]  ? move_addr_to_kernel (net/socket.c:258)
[  229.584662][ T6732]  ___sys_sendmsg (net/socket.c:2767)
[  229.584665][ T6732]  ? copy_msghdr_from_user (net/socket.c:2619)
[  229.584682][ T6732]  __sys_sendmsg (net/socket.c:2799)
[  229.584685][ T6732]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  229.584692][ T6732]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.584695][ T6732]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  229.584698][ T6732]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  229.584701][ T6732]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  229.584703][ T6732] RIP: 0033:0x7f004a87954e
[  229.584707][ T6732] 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
[  229.584709][ T6732] RSP: 002b:00007ffc804afaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  229.584711][ T6732] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f004a87954e
[  229.584713][ T6732] RDX: 0000000000000000 RSI: 00007ffc804afb50 RDI: 0000000000000005
[  229.584714][ T6732] RBP: 00007ffc804afab0 R08: 0000000000000000 R09: 0000000000000000
[  229.584714][ T6732] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ac1
[  229.584715][ T6732] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc804b0210
| [  233.858078][   T12] softirqs last disabled at (7117102): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  233.858080][   T12] Preemption disabled at:
| [  233.858081][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  233.858090][   T12] Tainted: [W]=WARN
[  233.858091][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  233.858093][   T12] Workqueue: netns cleanup_net
[  233.858098][   T12] Call Trace:
[  233.858100][   T12]  <TASK>
[  233.858103][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  233.858110][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  233.858113][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  233.858119][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  233.858124][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  233.858130][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  233.858134][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.858142][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  233.858146][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.858150][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  233.858153][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  233.858154][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  233.858158][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  233.858161][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  233.858166][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  233.858170][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  233.858175][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  233.858179][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.858184][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  233.858188][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  233.858190][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  233.858194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.858196][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.858200][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  233.858205][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  233.858207][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  233.858212][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  233.858215][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  233.858217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.858219][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  233.858223][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  233.858225][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  233.858228][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  233.858232][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  233.858233][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  233.858235][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  233.858237][   T12]  ? kthread (kernel/kthread.c:436)
[  233.858240][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  233.858243][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  233.858248][   T12]  _printk (kernel/printk/printk.c:2504)
[  233.858251][   T12]  ? snapshot_read.cold (user.c:?)
[  233.858256][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  233.858260][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  233.858264][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  233.858267][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  233.858272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.858274][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  233.858277][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  233.858279][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  233.858281][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  233.858287][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  233.858293][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  233.858297][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  233.858298][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  233.858302][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  233.858306][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  233.858309][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  233.858313][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  233.858317][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  233.858318][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  233.858322][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  233.858327][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  233.858330][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  233.858334][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.858336][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.858340][   T12]  process_one_work (kernel/workqueue.c:3387)
[  233.858347][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  233.858350][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  233.858358][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  233.858366][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  233.858368][   T12]  kthread (kernel/kthread.c:436)
[  233.858370][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  233.858374][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  233.858377][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  233.858379][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  233.858383][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  233.858387][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  233.858390][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  237.739490][ T6936] softirqs last disabled at (45868): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  237.739492][ T6936] Preemption disabled at:
| [  237.739493][ T6936] vprintk_emit (kernel/printk/printk.c:2471)
| [  237.739502][ T6936] Tainted: [W]=WARN
[  237.739503][ T6936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  237.739505][ T6936] Call Trace:
[  237.739506][ T6936]  <TASK>
[  237.739508][ T6936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  237.739514][ T6936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  237.739516][ T6936]  __might_resched.cold (kernel/sched/core.c:9234)
[  237.739520][ T6936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  237.739524][ T6936]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  237.739529][ T6936]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  237.739531][ T6936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  237.739538][ T6936]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  237.739540][ T6936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  237.739544][ T6936]  put_chars (drivers/char/virtio_console.c:1176)
[  237.739547][ T6936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  237.739548][ T6936]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  237.739552][ T6936]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  237.739558][ T6936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  237.739566][ T6936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  237.739568][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739570][ T6936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  237.739575][ T6936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  237.739579][ T6936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  237.739581][ T6936]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  237.739584][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739586][ T6936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  237.739590][ T6936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  237.739594][ T6936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  237.739596][ T6936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.739602][ T6936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  237.739605][ T6936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  237.739607][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739609][ T6936]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  237.739613][ T6936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  237.739614][ T6936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  237.739617][ T6936]  vprintk_emit (kernel/printk/printk.c:2479)
[  237.739620][ T6936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  237.739622][ T6936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  237.739625][ T6936]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  237.739629][ T6936]  _printk (kernel/printk/printk.c:2504)
[  237.739633][ T6936]  ? snapshot_read.cold (user.c:?)
[  237.739637][ T6936]  ? br_multicast_flood (??:?)
[  237.739640][ T6936]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  237.739642][ T6936]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  237.739643][ T6936]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  237.739648][ T6936]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  237.739652][ T6936]  br_init_port (net/bridge/br_stp_if.c:39)
[  237.739654][ T6936]  new_nbp (net/bridge/br_if.c:449)
[  237.739658][ T6936]  br_add_if (net/bridge/br_if.c:592)
[  237.739661][ T6936]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  237.739665][ T6936]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  237.739671][ T6936]  do_set_master (net/core/rtnetlink.c:3071)
[  237.739675][ T6936]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  237.739678][ T6936]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  237.739682][ T6936]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  237.739683][ T6936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  237.739686][ T6936]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  237.739689][ T6936]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  237.739692][ T6936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  237.739693][ T6936]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  237.739696][ T6936]  ? kasan_save_stack (mm/kasan/common.c:58)
[  237.739698][ T6936]  ? kasan_save_stack (mm/kasan/common.c:57)
[  237.739699][ T6936]  ? kasan_save_track (mm/kasan/common.c:78)
[  237.739701][ T6936]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  237.739703][ T6936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.739705][ T6936]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  237.739708][ T6936]  ? ___sys_sendmsg (net/socket.c:2758)
[  237.739712][ T6936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  237.739714][ T6936]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  237.739717][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739718][ T6936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  237.739720][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739721][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739723][ T6936]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  237.739726][ T6936]  ? __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)
[  237.739728][ T6936]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  237.739730][ T6936]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  237.739734][ T6936]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  237.739735][ T6936]  ? nla_get_range_signed (lib/nlattr.c:270)
[  237.739740][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739742][ T6936]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  237.739748][ T6936]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  237.739754][ T6936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  237.739756][ T6936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.739760][ T6936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  237.739762][ T6936]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  237.739765][ T6936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  237.739767][ T6936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  237.739771][ T6936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  237.739773][ T6936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  237.739776][ T6936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  237.739777][ T6936]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  237.739782][ T6936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  237.739784][ T6936]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  237.739788][ T6936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  237.739791][ T6936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  237.739794][ T6936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  237.739801][ T6936]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  237.739803][ T6936]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  237.739808][ T6936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  237.739812][ T6936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  237.739815][ T6936]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  237.739820][ T6936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  237.739824][ T6936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  237.739828][ T6936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  237.739830][ T6936]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  237.739836][ T6936]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  237.739838][ T6936]  ____sys_sendmsg (net/socket.c:2713)
[  237.739841][ T6936]  ? copy_msghdr_from_user (net/socket.c:2650)
[  237.739843][ T6936]  ? sock_write_iter (net/socket.c:1269)
[  237.739845][ T6936]  ? move_addr_to_kernel (net/socket.c:258)
[  237.739853][ T6936]  ___sys_sendmsg (net/socket.c:2767)
[  237.739856][ T6936]  ? copy_msghdr_from_user (net/socket.c:2619)
[  237.739873][ T6936]  __sys_sendmsg (net/socket.c:2799)
[  237.739876][ T6936]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  237.739882][ T6936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  237.739886][ T6936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  237.739889][ T6936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  237.739892][ T6936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  237.739894][ T6936] RIP: 0033:0x7fde52f6b54e
[  237.739898][ T6936] 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
[  237.739900][ T6936] RSP: 002b:00007ffe21186b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  237.739903][ T6936] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde52f6b54e
[  237.739904][ T6936] RDX: 0000000000000000 RSI: 00007ffe21186c20 RDI: 0000000000000005
[  237.739905][ T6936] RBP: 00007ffe21186b80 R08: 0000000000000000 R09: 0000000000000000
[  237.739906][ T6936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917aca
[  237.739907][ T6936] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe211872e0
| [  242.036922][   T12] softirqs last disabled at (7329668): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  242.036924][   T12] Preemption disabled at:
| [  242.036925][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  242.036933][   T12] Tainted: [W]=WARN
[  242.036934][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  242.036936][   T12] Workqueue: netns cleanup_net
[  242.036939][   T12] Call Trace:
[  242.036941][   T12]  <TASK>
[  242.036943][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  242.036949][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  242.036951][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  242.036955][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  242.036959][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  242.036963][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  242.036965][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.036972][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  242.036975][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.036979][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  242.036981][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  242.036982][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  242.036986][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  242.036989][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  242.036994][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  242.036998][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.037004][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  242.037007][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.037012][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  242.037016][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  242.037018][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  242.037022][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.037024][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.037028][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  242.037032][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  242.037034][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  242.037040][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  242.037043][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  242.037045][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.037047][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  242.037051][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  242.037053][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  242.037059][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  242.037062][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  242.037064][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  242.037066][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  242.037067][   T12]  ? kthread (kernel/kthread.c:436)
[  242.037070][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  242.037073][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  242.037078][   T12]  _printk (kernel/printk/printk.c:2504)
[  242.037082][   T12]  ? snapshot_read.cold (user.c:?)
[  242.037087][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  242.037090][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  242.037095][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  242.037098][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  242.037102][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.037104][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  242.037107][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  242.037109][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  242.037112][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  242.037116][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  242.037120][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  242.037130][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  242.037132][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  242.037136][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  242.037140][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  242.037144][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  242.037147][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  242.037151][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  242.037153][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  242.037156][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  242.037161][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  242.037164][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  242.037168][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.037170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.037174][   T12]  process_one_work (kernel/workqueue.c:3387)
[  242.037181][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  242.037184][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  242.037192][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  242.037199][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  242.037202][   T12]  kthread (kernel/kthread.c:436)
[  242.037204][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  242.037207][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  242.037210][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  242.037213][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  242.037217][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  242.037220][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  242.037223][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  245.978179][ T7151] softirqs last disabled at (46718): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  245.978182][ T7151] Preemption disabled at:
| [  245.978182][ T7151] vprintk_emit (kernel/printk/printk.c:2471)
| [  245.978191][ T7151] Tainted: [W]=WARN
[  245.978192][ T7151] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  245.978194][ T7151] Call Trace:
[  245.978195][ T7151]  <TASK>
[  245.978196][ T7151]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  245.978202][ T7151]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  245.978204][ T7151]  __might_resched.cold (kernel/sched/core.c:9234)
[  245.978208][ T7151]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  245.978212][ T7151]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  245.978217][ T7151]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  245.978219][ T7151]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.978225][ T7151]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  245.978228][ T7151]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  245.978232][ T7151]  put_chars (drivers/char/virtio_console.c:1176)
[  245.978234][ T7151]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  245.978235][ T7151]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  245.978239][ T7151]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  245.978244][ T7151]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  245.978252][ T7151]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  245.978255][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978257][ T7151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.978261][ T7151]  console_emit_next_record (kernel/printk/printk.c:3183)
[  245.978265][ T7151]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  245.978267][ T7151]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  245.978270][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978271][ T7151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.978275][ T7151]  console_flush_one_record (kernel/printk/printk.c:3268)
[  245.978280][ T7151]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  245.978282][ T7151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.978287][ T7151]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  245.978290][ T7151]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  245.978292][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978293][ T7151]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  245.978297][ T7151]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  245.978299][ T7151]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  245.978302][ T7151]  vprintk_emit (kernel/printk/printk.c:2479)
[  245.978305][ T7151]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  245.978306][ T7151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.978309][ T7151]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  245.978313][ T7151]  _printk (kernel/printk/printk.c:2504)
[  245.978316][ T7151]  ? snapshot_read.cold (user.c:?)
[  245.978320][ T7151]  ? br_multicast_flood (??:?)
[  245.978323][ T7151]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  245.978324][ T7151]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  245.978326][ T7151]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  245.978330][ T7151]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  245.978334][ T7151]  br_init_port (net/bridge/br_stp_if.c:39)
[  245.978337][ T7151]  new_nbp (net/bridge/br_if.c:449)
[  245.978341][ T7151]  br_add_if (net/bridge/br_if.c:592)
[  245.978343][ T7151]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  245.978347][ T7151]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  245.978352][ T7151]  do_set_master (net/core/rtnetlink.c:3071)
[  245.978356][ T7151]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  245.978359][ T7151]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  245.978363][ T7151]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  245.978364][ T7151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  245.978367][ T7151]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  245.978370][ T7151]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  245.978372][ T7151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  245.978374][ T7151]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  245.978376][ T7151]  ? kasan_save_stack (mm/kasan/common.c:58)
[  245.978379][ T7151]  ? kasan_save_stack (mm/kasan/common.c:57)
[  245.978380][ T7151]  ? kasan_save_track (mm/kasan/common.c:78)
[  245.978381][ T7151]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  245.978383][ T7151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.978385][ T7151]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  245.978388][ T7151]  ? ___sys_sendmsg (net/socket.c:2758)
[  245.978391][ T7151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.978394][ T7151]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  245.978396][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978398][ T7151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  245.978399][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978401][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978402][ T7151]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  245.978404][ T7151]  ? __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)
[  245.978407][ T7151]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  245.978409][ T7151]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  245.978412][ T7151]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  245.978413][ T7151]  ? nla_get_range_signed (lib/nlattr.c:270)
[  245.978419][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978421][ T7151]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  245.978426][ T7151]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  245.978431][ T7151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  245.978433][ T7151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.978438][ T7151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.978440][ T7151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.978442][ T7151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  245.978444][ T7151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.978447][ T7151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  245.978449][ T7151]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  245.978452][ T7151]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  245.978454][ T7151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  245.978458][ T7151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  245.978460][ T7151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.978464][ T7151]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  245.978467][ T7151]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  245.978470][ T7151]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  245.978476][ T7151]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  245.978478][ T7151]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  245.978483][ T7151]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  245.978487][ T7151]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  245.978489][ T7151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  245.978494][ T7151]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  245.978498][ T7151]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  245.978502][ T7151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  245.978503][ T7151]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  245.978509][ T7151]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  245.978511][ T7151]  ____sys_sendmsg (net/socket.c:2713)
[  245.978514][ T7151]  ? copy_msghdr_from_user (net/socket.c:2650)
[  245.978516][ T7151]  ? sock_write_iter (net/socket.c:1269)
[  245.978518][ T7151]  ? move_addr_to_kernel (net/socket.c:258)
[  245.978525][ T7151]  ___sys_sendmsg (net/socket.c:2767)
[  245.978528][ T7151]  ? copy_msghdr_from_user (net/socket.c:2619)
[  245.978544][ T7151]  __sys_sendmsg (net/socket.c:2799)
[  245.978547][ T7151]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  245.978553][ T7151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  245.978556][ T7151]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  245.978559][ T7151]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  245.978562][ T7151]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  245.978565][ T7151] RIP: 0033:0x7f4ad0efe54e
[  245.978568][ T7151] 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
[  245.978570][ T7151] RSP: 002b:00007ffc3a9be880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  245.978573][ T7151] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4ad0efe54e
[  245.978574][ T7151] RDX: 0000000000000000 RSI: 00007ffc3a9be930 RDI: 0000000000000005
[  245.978575][ T7151] RBP: 00007ffc3a9be890 R08: 0000000000000000 R09: 0000000000000000
[  245.978576][ T7151] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ad2
[  245.978577][ T7151] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3a9beff0
| [  250.166066][   T12] softirqs last disabled at (7547140): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  250.166068][   T12] Preemption disabled at:
| [  250.166069][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  250.166078][   T12] Tainted: [W]=WARN
[  250.166079][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  250.166081][   T12] Workqueue: netns cleanup_net
[  250.166084][   T12] Call Trace:
[  250.166085][   T12]  <TASK>
[  250.166088][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  250.166094][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  250.166096][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  250.166100][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  250.166104][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  250.166109][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  250.166111][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  250.166117][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  250.166120][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  250.166124][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  250.166127][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  250.166128][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  250.166132][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  250.166135][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  250.166140][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  250.166144][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.166150][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  250.166153][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.166158][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  250.166162][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  250.166164][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  250.166167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.166169][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  250.166181][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  250.166185][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  250.166187][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  250.166193][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  250.166196][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  250.166198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.166200][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  250.166204][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  250.166206][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  250.166208][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  250.166212][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  250.166213][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  250.166215][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  250.166217][   T12]  ? kthread (kernel/kthread.c:436)
[  250.166219][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  250.166222][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  250.166227][   T12]  _printk (kernel/printk/printk.c:2504)
[  250.166231][   T12]  ? snapshot_read.cold (user.c:?)
[  250.166235][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  250.166239][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  250.166243][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  250.166246][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  250.166251][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.166253][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  250.166255][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  250.166257][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  250.166260][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  250.166264][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  250.166268][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  250.166272][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  250.166273][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  250.166277][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  250.166281][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  250.166284][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  250.166288][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  250.166292][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  250.166293][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  250.166297][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  250.166301][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  250.166305][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  250.166308][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  250.166311][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  250.166314][   T12]  process_one_work (kernel/workqueue.c:3387)
[  250.166321][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  250.166324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  250.166332][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  250.166339][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  250.166341][   T12]  kthread (kernel/kthread.c:436)
[  250.166343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  250.166347][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  250.166350][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  250.166353][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  250.166356][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  250.166360][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  250.166363][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  254.610955][ T7340] softirqs last disabled at (161841): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  254.610958][ T7340] Preemption disabled at:
| [  254.610959][ T7340] vprintk_emit (kernel/printk/printk.c:2471)
| [  254.610968][ T7340] Tainted: [W]=WARN
[  254.610969][ T7340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  254.610970][ T7340] Call Trace:
[  254.610972][ T7340]  <TASK>
[  254.610973][ T7340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  254.610979][ T7340]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  254.610981][ T7340]  __might_resched.cold (kernel/sched/core.c:9234)
[  254.610985][ T7340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  254.610989][ T7340]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  254.610993][ T7340]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  254.610995][ T7340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.611002][ T7340]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  254.611005][ T7340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  254.611008][ T7340]  put_chars (drivers/char/virtio_console.c:1176)
[  254.611011][ T7340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  254.611014][ T7340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  254.611017][ T7340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  254.611019][ T7340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  254.611024][ T7340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  254.611028][ T7340]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  254.611030][ T7340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.611031][ T7340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.611035][ T7340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  254.611037][ T7340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  254.611042][ T7340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.611045][ T7340]  console_emit_next_record (kernel/printk/printk.c:3183)
[  254.611049][ T7340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  254.611051][ T7340]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  254.611054][ T7340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.611059][ T7340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  254.611063][ T7340]  console_flush_one_record (kernel/printk/printk.c:3268)
[  254.611067][ T7340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  254.611069][ T7340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  254.611074][ T7340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  254.611077][ T7340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  254.611079][ T7340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  254.611080][ T7340]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  254.611084][ T7340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  254.611086][ T7340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  254.611088][ T7340]  vprintk_emit (kernel/printk/printk.c:2479)
[  254.611092][ T7340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  254.611097][ T7340]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  254.611101][ T7340]  _printk (kernel/printk/printk.c:2504)
[  254.611105][ T7340]  ? snapshot_read.cold (user.c:?)
[  254.611111][ T7340]  ? 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)
[  254.611115][ T7340] dp_init (net/openvswitch/actions.c:729) openvswitch
[  254.611122][ T7340]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  254.611125][ T7340]  do_one_initcall (init/main.c:1357)
[  254.611128][ T7340]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  254.611132][ T7340]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  254.611135][ T7340]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  254.611141][ T7340]  do_init_module (kernel/module/main.c:3117)
[  254.611144][ T7340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  254.611148][ T7340]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  254.611150][ T7340]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  254.611154][ T7340]  load_module (kernel/module/main.c:3593)
[  254.611159][ T7340]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  254.611164][ T7340]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  254.611167][ T7340]  ? __ia32_sys_fsconfig (??:?)
[  254.611171][ T7340]  ? backing_file_read_iter (fs/backing-file.c:211)
[  254.611175][ T7340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  254.611178][ T7340]  init_module_from_file (kernel/module/main.c:3790)
[  254.611181][ T7340]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  254.611188][ T7340]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  254.611192][ T7340]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  254.611195][ T7340]  idempotent_init_module (kernel/module/main.c:3802)
[  254.611198][ T7340]  ? init_module_from_file (kernel/module/main.c:3791)
[  254.611208][ T7340]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  254.611211][ T7340]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  254.611216][ T7340]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  254.611217][ T7340]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  254.611222][ T7340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  254.611225][ T7340]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  254.611227][ T7340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  254.611230][ T7340] RIP: 0033:0x7fa4101c037d
[  254.611233][ T7340] 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
[  254.611235][ T7340] RSP: 002b:00007ffce4b17b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  254.611238][ T7340] RAX: ffffffffffffffda RBX: 000055883db4b810 RCX: 00007fa4101c037d
[  254.611239][ T7340] RDX: 0000000000000000 RSI: 0000558815169ffd RDI: 0000000000000005
[  254.611240][ T7340] RBP: 00007ffce4b17c20 R08: 0000000000000000 R09: 646f6d2f62696c2f
[  254.611241][ T7340] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558815169ffd
[  254.611242][ T7340] R13: 000055883db4ba90 R14: 0000000000040000 R15: 0000000000000000
| [  255.992922][ T7373] softirqs last disabled at (399788): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  255.992924][ T7373] Preemption disabled at:
| [  255.992924][ T7373] vprintk_emit (kernel/printk/printk.c:2471)
| [  255.992933][ T7373] Tainted: [W]=WARN
[  255.992934][ T7373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  255.992935][ T7373] Call Trace:
[  255.992937][ T7373]  <TASK>
[  255.992939][ T7373]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  255.992945][ T7373]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  255.992947][ T7373]  __might_resched.cold (kernel/sched/core.c:9234)
[  255.992951][ T7373]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  255.992955][ T7373]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  255.992960][ T7373]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  255.992962][ T7373]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  255.992968][ T7373]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  255.992971][ T7373]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  255.992975][ T7373]  put_chars (drivers/char/virtio_console.c:1176)
[  255.992977][ T7373]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  255.992981][ T7373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  255.992984][ T7373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  255.992988][ T7373]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  255.992993][ T7373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.992995][ T7373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.992999][ T7373]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  255.993003][ T7373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.993005][ T7373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  255.993010][ T7373]  console_emit_next_record (kernel/printk/printk.c:3183)
[  255.993014][ T7373]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  255.993016][ T7373]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  255.993019][ T7373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.993022][ T7373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  255.993029][ T7373]  console_flush_one_record (kernel/printk/printk.c:3268)
[  255.993034][ T7373]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  255.993036][ T7373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.993041][ T7373]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  255.993044][ T7373]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  255.993046][ T7373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  255.993048][ T7373]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  255.993052][ T7373]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  255.993054][ T7373]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  255.993061][ T7373]  vprintk_emit (kernel/printk/printk.c:2479)
[  255.993065][ T7373]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  255.993070][ T7373]  _printk (kernel/printk/printk.c:2504)
[  255.993074][ T7373]  ? snapshot_read.cold (user.c:?)
[  255.993077][ T7373]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  255.993080][ T7373]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  255.993084][ T7373]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  255.993086][ T7373]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  255.993090][ T7373]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  255.993094][ T7373]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  255.993097][ T7373]  ? netdev_notice (net/core/dev.c:13194)
[  255.993099][ T7373]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  255.993108][ T7373]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  255.993111][ T7373]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  255.993114][ T7373]  netif_set_promiscuity (net/core/dev.c:9699)
[  255.993118][ T7373]  dev_set_promiscuity (net/core/dev_api.c:288)
[  255.993121][ T7373]  ? dev_disable_lro (net/core/dev_api.c:267)
[  255.993123][ T7373] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  255.993129][ T7373] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  255.993134][ T7373] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  255.993138][ T7373]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  255.993143][ T7373] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  255.993150][ T7373]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  255.993156][ T7373]  ? __nla_validate_parse (lib/nlattr.c:635)
[  255.993162][ T7373]  ? __nla_parse (lib/nlattr.c:732)
[  255.993165][ T7373]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  255.993170][ T7373]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  255.993173][ T7373]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  255.993182][ T7373]  ? security_capable (security/security.c:660 (discriminator 11))
[  255.993186][ T7373]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  255.993190][ T7373]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  255.993193][ T7373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  255.993195][ T7373]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  255.993199][ T7373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.993205][ T7373]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  255.993216][ T7373]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  255.993218][ T7373]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  255.993222][ T7373]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  255.993229][ T7373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  255.993231][ T7373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  255.993235][ T7373]  genl_rcv (net/netlink/genetlink.c:1218)
[  255.993238][ T7373]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  255.993242][ T7373]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  255.993246][ T7373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  255.993249][ T7373]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  255.993253][ T7373]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  255.993255][ T7373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  255.993258][ T7373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  255.993265][ T7373]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  255.993269][ T7373]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  255.993273][ T7373]  __sys_sendto (net/socket.c:2281)
[  255.993276][ T7373]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  255.993287][ T7373]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  255.993294][ T7373]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  255.993296][ T7373]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  255.993300][ T7373]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  255.993301][ T7373]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  255.993304][ T7373]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  255.993306][ T7373]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  255.993309][ T7373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  255.993311][ T7373] RIP: 0033:0x7f47f7fc8312
[  255.993315][ T7373] 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)
[  255.993317][ T7373] RSP: 002b:00007ffc52ee51d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  255.993320][ T7373] RAX: ffffffffffffffda RBX: 00007ffc52ee5308 RCX: 00007f47f7fc8312
[  255.993321][ T7373] RDX: 0000000000000038 RSI: 00007f47f424f0f0 RDI: 0000000000000023
[  255.993322][ T7373] RBP: 00007ffc52ee5200 R08: 00007ffc52ee5380 R09: 000000000000000c
[  255.993323][ T7373] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f47f5e32190
[  255.993324][ T7373] R13: 00007ffc52ee5308 R14: 00007f47f78e701a R15: 00007ffc52ee56f8
| [  257.072088][ T7400] softirqs last disabled at (417104): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  257.072090][ T7400] Preemption disabled at:
| [  257.072090][ T7400] vprintk_emit (kernel/printk/printk.c:2471)
| [  257.072099][ T7400] Tainted: [W]=WARN
[  257.072100][ T7400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.072102][ T7400] Call Trace:
[  257.072103][ T7400]  <TASK>
[  257.072105][ T7400]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  257.072111][ T7400]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  257.072112][ T7400]  __might_resched.cold (kernel/sched/core.c:9234)
[  257.072117][ T7400]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  257.072121][ T7400]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  257.072126][ T7400]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  257.072128][ T7400]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.072134][ T7400]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  257.072137][ T7400]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.072141][ T7400]  put_chars (drivers/char/virtio_console.c:1176)
[  257.072144][ T7400]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  257.072147][ T7400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  257.072150][ T7400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  257.072155][ T7400]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  257.072159][ T7400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.072161][ T7400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.072165][ T7400]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  257.072169][ T7400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.072172][ T7400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.072176][ T7400]  console_emit_next_record (kernel/printk/printk.c:3183)
[  257.072180][ T7400]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  257.072182][ T7400]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  257.072186][ T7400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.072187][ T7400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.072192][ T7400]  console_flush_one_record (kernel/printk/printk.c:3268)
[  257.072196][ T7400]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  257.072198][ T7400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.072204][ T7400]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  257.072207][ T7400]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  257.072209][ T7400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.072211][ T7400]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  257.072220][ T7400]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  257.072222][ T7400]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  257.072225][ T7400]  vprintk_emit (kernel/printk/printk.c:2479)
[  257.072228][ T7400]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  257.072233][ T7400]  _printk (kernel/printk/printk.c:2504)
[  257.072237][ T7400]  ? snapshot_read.cold (user.c:?)
[  257.072240][ T7400]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  257.072243][ T7400]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  257.072247][ T7400]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  257.072249][ T7400]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  257.072250][ T7400]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  257.072254][ T7400]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  257.072259][ T7400]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  257.072262][ T7400]  ? netdev_notice (net/core/dev.c:13194)
[  257.072264][ T7400]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  257.072273][ T7400]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  257.072276][ T7400]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  257.072279][ T7400]  netif_set_promiscuity (net/core/dev.c:9699)
[  257.072283][ T7400]  dev_set_promiscuity (net/core/dev_api.c:288)
[  257.072285][ T7400]  ? dev_disable_lro (net/core/dev_api.c:267)
[  257.072287][ T7400] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  257.072293][ T7400] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  257.072298][ T7400] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  257.072302][ T7400]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  257.072307][ T7400] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  257.072314][ T7400]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  257.072317][ T7400]  ? __nla_validate_parse (lib/nlattr.c:635)
[  257.072323][ T7400]  ? __nla_parse (lib/nlattr.c:732)
[  257.072326][ T7400]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  257.072331][ T7400]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  257.072335][ T7400]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  257.072343][ T7400]  ? security_capable (security/security.c:660 (discriminator 11))
[  257.072348][ T7400]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  257.072352][ T7400]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  257.072355][ T7400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  257.072357][ T7400]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  257.072361][ T7400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.072367][ T7400]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  257.072370][ T7400]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  257.072372][ T7400]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  257.072376][ T7400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  257.072384][ T7400]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  257.072386][ T7400]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  257.072390][ T7400]  genl_rcv (net/netlink/genetlink.c:1218)
[  257.072393][ T7400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  257.072397][ T7400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  257.072401][ T7400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  257.072404][ T7400]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  257.072409][ T7400]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  257.072410][ T7400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  257.072414][ T7400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  257.072419][ T7400]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  257.072422][ T7400]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  257.072425][ T7400]  __sys_sendto (net/socket.c:2281)
[  257.072429][ T7400]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  257.072434][ T7400]  ? do_futex (kernel/futex/syscalls.c:138)
[  257.072437][ T7400]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  257.072444][ T7400]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  257.072448][ T7400]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  257.072451][ T7400]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  257.072454][ T7400]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  257.072457][ T7400]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  257.072459][ T7400]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  257.072461][ T7400]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  257.072464][ T7400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  257.072466][ T7400] RIP: 0033:0x7fc75c4e4312
[  257.072470][ T7400] 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)
[  257.072472][ T7400] RSP: 002b:00007ffd7dabe1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  257.072474][ T7400] RAX: ffffffffffffffda RBX: 00007ffd7dabe308 RCX: 00007fc75c4e4312
[  257.072476][ T7400] RDX: 0000000000000034 RSI: 00007fc75a231c70 RDI: 0000000000000023
[  257.072476][ T7400] RBP: 00007ffd7dabe200 R08: 00007ffd7dabe380 R09: 000000000000000c
[  257.072477][ T7400] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc75a352190
[  257.072478][ T7400] R13: 00007ffd7dabe308 R14: 00007fc75be0301a R15: 00007ffd7dabe6f8
| [  266.258937][   T12] softirqs last disabled at (7881998): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  266.258940][   T12] Preemption disabled at:
| [  266.258941][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  266.258950][   T12] Tainted: [W]=WARN
[  266.258951][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  266.258952][   T12] Workqueue: netns cleanup_net
[  266.258956][   T12] Call Trace:
[  266.258957][   T12]  <TASK>
[  266.258959][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  266.258966][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  266.258967][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  266.258972][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  266.258976][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  266.258981][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  266.258983][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  266.258989][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  266.258992][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  266.258996][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  266.258998][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  266.259001][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  266.259004][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  266.259007][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  266.259010][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  266.259014][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  266.259019][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  266.259021][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.259022][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.259027][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  266.259030][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  266.259033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.259035][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.259040][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  266.259044][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  266.259046][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  266.259049][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.259051][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.259059][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  266.259064][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  266.259066][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  266.259071][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  266.259075][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  266.259077][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.259078][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  266.259082][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  266.259084][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  266.259087][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  266.259090][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  266.259093][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  266.259095][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  266.259104][   T12]  _printk (kernel/printk/printk.c:2504)
[  266.259108][   T12]  ? snapshot_read.cold (user.c:?)
[  266.259112][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  266.259116][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  266.259120][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  266.259124][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  266.259125][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  266.259130][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  266.259135][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  266.259138][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  266.259142][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  266.259145][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  266.259147][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  266.259151][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  266.259158][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  266.259162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.259165][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  266.259171][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  266.259176][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  266.259184][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  266.259188][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  266.259190][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  266.259193][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  266.259198][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  266.259202][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  266.259206][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  266.259207][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  266.259211][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  266.259215][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  266.259219][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  266.259223][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  266.259225][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  266.259228][   T12]  process_one_work (kernel/workqueue.c:3387)
[  266.259235][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  266.259238][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  266.259247][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  266.259254][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  266.259256][   T12]  kthread (kernel/kthread.c:436)
[  266.259259][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  266.259262][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  266.259265][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  266.259276][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  266.259280][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  266.259284][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  266.259287][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  267.334489][ T7600] softirqs last disabled at (391338): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  267.334491][ T7600] Preemption disabled at:
| [  267.334491][ T7600] vprintk_emit (kernel/printk/printk.c:2471)
| [  267.334500][ T7600] Tainted: [W]=WARN
[  267.334501][ T7600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  267.334503][ T7600] Call Trace:
[  267.334504][ T7600]  <TASK>
[  267.334506][ T7600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  267.334512][ T7600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  267.334514][ T7600]  __might_resched.cold (kernel/sched/core.c:9234)
[  267.334518][ T7600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  267.334523][ T7600]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  267.334527][ T7600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  267.334530][ T7600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  267.334536][ T7600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  267.334539][ T7600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  267.334543][ T7600]  put_chars (drivers/char/virtio_console.c:1176)
[  267.334545][ T7600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  267.334547][ T7600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  267.334551][ T7600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  267.334556][ T7600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  267.334564][ T7600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  267.334567][ T7600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.334569][ T7600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.334574][ T7600]  console_emit_next_record (kernel/printk/printk.c:3183)
[  267.334578][ T7600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  267.334580][ T7600]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  267.334583][ T7600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.334585][ T7600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  267.334589][ T7600]  console_flush_one_record (kernel/printk/printk.c:3268)
[  267.334594][ T7600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  267.334596][ T7600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  267.334602][ T7600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  267.334605][ T7600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  267.334607][ T7600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  267.334608][ T7600]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  267.334612][ T7600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  267.334614][ T7600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  267.334617][ T7600]  vprintk_emit (kernel/printk/printk.c:2479)
[  267.334621][ T7600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  267.334623][ T7600]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  267.334626][ T7600]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  267.334634][ T7600]  _printk (kernel/printk/printk.c:2504)
[  267.334638][ T7600]  ? snapshot_read.cold (user.c:?)
[  267.334643][ T7600]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  267.334647][ T7600]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  267.334651][ T7600]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  267.334654][ T7600]  ? netdev_notice (net/core/dev.c:13194)
[  267.334656][ T7600]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  267.334661][ T7600]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  267.334666][ T7600]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  267.334669][ T7600]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  267.334673][ T7600]  netif_set_promiscuity (net/core/dev.c:9699)
[  267.334676][ T7600]  dev_set_promiscuity (net/core/dev_api.c:288)
[  267.334678][ T7600]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  267.334682][ T7600] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  267.334686][ T7600]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  267.334690][ T7600] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  267.334696][ T7600] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  267.334704][ T7600]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  267.334708][ T7600]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  267.334717][ T7600]  ? security_capable (security/security.c:660 (discriminator 11))
[  267.334722][ T7600]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  267.334726][ T7600]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  267.334729][ T7600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  267.334732][ T7600]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  267.334736][ T7600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  267.334742][ T7600]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  267.334746][ T7600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  267.334748][ T7600]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  267.334752][ T7600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  267.334759][ T7600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  267.334761][ T7600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  267.334766][ T7600]  genl_rcv (net/netlink/genetlink.c:1218)
[  267.334768][ T7600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  267.334773][ T7600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  267.334777][ T7600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  267.334781][ T7600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  267.334785][ T7600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  267.334787][ T7600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  267.334790][ T7600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  267.334795][ T7600]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  267.334799][ T7600]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  267.334803][ T7600]  __sys_sendto (net/socket.c:2281)
[  267.334806][ T7600]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  267.334817][ T7600]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  267.334824][ T7600]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  267.334827][ T7600]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  267.334831][ T7600]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  267.334832][ T7600]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  267.334835][ T7600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  267.334837][ T7600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  267.334840][ T7600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  267.334842][ T7600] RIP: 0033:0x7f45c0724312
[  267.334846][ T7600] 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)
[  267.334848][ T7600] RSP: 002b:00007ffc3f78a558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  267.334851][ T7600] RAX: ffffffffffffffda RBX: 00007ffc3f78a688 RCX: 00007f45c0724312
[  267.334852][ T7600] RDX: 0000000000000024 RSI: 00007f45bc38d590 RDI: 0000000000000023
[  267.334853][ T7600] RBP: 00007ffc3f78a580 R08: 00007ffc3f78a700 R09: 000000000000000c
[  267.334854][ T7600] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45be58dfd0
[  267.334855][ T7600] R13: 00007ffc3f78a688 R14: 00007f45c004301a R15: 00007ffc3f78aa78
| [  269.099892][ T7626] softirqs last disabled at (382478): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  269.099895][ T7626] Preemption disabled at:
| [  269.099895][ T7626] vprintk_emit (kernel/printk/printk.c:2471)
| [  269.099904][ T7626] Tainted: [W]=WARN
[  269.099905][ T7626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  269.099906][ T7626] Call Trace:
[  269.099908][ T7626]  <TASK>
[  269.099909][ T7626]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  269.099915][ T7626]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  269.099917][ T7626]  __might_resched.cold (kernel/sched/core.c:9234)
[  269.099921][ T7626]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  269.099926][ T7626]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  269.099930][ T7626]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  269.099932][ T7626]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  269.099939][ T7626]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  269.099942][ T7626]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  269.099945][ T7626]  put_chars (drivers/char/virtio_console.c:1176)
[  269.099948][ T7626]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  269.099949][ T7626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  269.099953][ T7626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  269.099959][ T7626]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  269.099966][ T7626]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  269.099969][ T7626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.099971][ T7626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  269.099975][ T7626]  console_emit_next_record (kernel/printk/printk.c:3183)
[  269.099980][ T7626]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  269.099982][ T7626]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  269.099985][ T7626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.099987][ T7626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  269.099991][ T7626]  console_flush_one_record (kernel/printk/printk.c:3268)
[  269.099995][ T7626]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  269.099997][ T7626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.100003][ T7626]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  269.100006][ T7626]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  269.100008][ T7626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.100010][ T7626]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  269.100014][ T7626]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  269.100016][ T7626]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  269.100018][ T7626]  vprintk_emit (kernel/printk/printk.c:2479)
[  269.100022][ T7626]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  269.100024][ T7626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  269.100026][ T7626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  269.100031][ T7626]  _printk (kernel/printk/printk.c:2504)
[  269.100035][ T7626]  ? snapshot_read.cold (user.c:?)
[  269.100039][ T7626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  269.100040][ T7626]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  269.100044][ T7626]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  269.100048][ T7626]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  269.100051][ T7626]  ? netdev_notice (net/core/dev.c:13194)
[  269.100053][ T7626]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  269.100062][ T7626]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  269.100068][ T7626]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  269.100070][ T7626]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  269.100074][ T7626]  netif_set_promiscuity (net/core/dev.c:9699)
[  269.100079][ T7626]  dev_set_promiscuity (net/core/dev_api.c:288)
[  269.100082][ T7626] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  269.100088][ T7626] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  269.100095][ T7626] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  269.100100][ T7626]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  269.100103][ T7626]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  269.100112][ T7626]  ? security_capable (security/security.c:660 (discriminator 11))
[  269.100117][ T7626]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  269.100121][ T7626]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  269.100123][ T7626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  269.100125][ T7626]  ? __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
[  269.100129][ T7626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.100135][ T7626]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  269.100139][ T7626]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  269.100141][ T7626]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  269.100144][ T7626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  269.100152][ T7626]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  269.100154][ T7626]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  269.100158][ T7626]  genl_rcv (net/netlink/genetlink.c:1218)
[  269.100160][ T7626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  269.100165][ T7626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  269.100168][ T7626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  269.100172][ T7626]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  269.100176][ T7626]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  269.100178][ T7626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  269.100181][ T7626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  269.100186][ T7626]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  269.100189][ T7626]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  269.100193][ T7626]  __sys_sendto (net/socket.c:2281)
[  269.100196][ T7626]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  269.100207][ T7626]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  269.100213][ T7626]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  269.100215][ T7626]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  269.100218][ T7626]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  269.100220][ T7626]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  269.100223][ T7626]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  269.100225][ T7626]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  269.100227][ T7626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  269.100229][ T7626] RIP: 0033:0x7fbd704ac312
[  269.100233][ T7626] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  269.100235][ T7626] RSP: 002b:00007ffe94147848 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  269.100237][ T7626] RAX: ffffffffffffffda RBX: 00007ffe94147978 RCX: 00007fbd704ac312
[  269.100239][ T7626] RDX: 0000000000000024 RSI: 00007fbd6c036910 RDI: 0000000000000020
[  269.100240][ T7626] RBP: 00007ffe94147870 R08: 00007ffe941479f0 R09: 000000000000000c
[  269.100240][ T7626] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd6e319e10
[  269.100241][ T7626] R13: 00007ffe94147978 R14: 00007fbd6fdcb01a R15: 00007ffe94147d68
| [  272.532653][ T7733] softirqs last disabled at (382458): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  272.532656][ T7733] Preemption disabled at:
| [  272.532657][ T7733] vprintk_emit (kernel/printk/printk.c:2471)
| [  272.532665][ T7733] Tainted: [W]=WARN
[  272.532666][ T7733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  272.532668][ T7733] Call Trace:
[  272.532669][ T7733]  <TASK>
[  272.532671][ T7733]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  272.532677][ T7733]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  272.532678][ T7733]  __might_resched.cold (kernel/sched/core.c:9234)
[  272.532683][ T7733]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  272.532687][ T7733]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  272.532691][ T7733]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  272.532693][ T7733]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.532700][ T7733]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  272.532702][ T7733]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  272.532706][ T7733]  put_chars (drivers/char/virtio_console.c:1176)
[  272.532708][ T7733]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  272.532711][ T7733]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  272.532714][ T7733]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  272.532717][ T7733]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  272.532721][ T7733]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  272.532725][ T7733]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  272.532727][ T7733]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.532729][ T7733]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.532733][ T7733]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  272.532735][ T7733]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  272.532740][ T7733]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.532744][ T7733]  console_emit_next_record (kernel/printk/printk.c:3183)
[  272.532748][ T7733]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  272.532749][ T7733]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  272.532753][ T7733]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.532755][ T7733]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  272.532759][ T7733]  console_flush_one_record (kernel/printk/printk.c:3268)
[  272.532763][ T7733]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  272.532765][ T7733]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.532770][ T7733]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  272.532773][ T7733]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  272.532775][ T7733]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.532777][ T7733]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  272.532780][ T7733]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  272.532782][ T7733]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  272.532785][ T7733]  vprintk_emit (kernel/printk/printk.c:2479)
[  272.532788][ T7733]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  272.532790][ T7733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  272.532792][ T7733]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  272.532797][ T7733]  _printk (kernel/printk/printk.c:2504)
[  272.532800][ T7733]  ? snapshot_read.cold (user.c:?)
[  272.532802][ T7733]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  272.532808][ T7733]  ? idr_get_free (??:?)
[  272.532812][ T7733]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  272.532822][ T7733]  ? nla_get_range_signed (lib/nlattr.c:270)
[  272.532827][ T7733]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  272.532829][ T7733]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  272.532834][ T7733]  __nla_validate_parse (lib/nlattr.c:635)
[  272.532838][ T7733]  __nla_parse (lib/nlattr.c:732)
[  272.532841][ T7733]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  272.532846][ T7733]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  272.532849][ T7733]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  272.532857][ T7733]  ? security_capable (security/security.c:660 (discriminator 11))
[  272.532862][ T7733]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  272.532866][ T7733]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  272.532868][ T7733]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  272.532871][ T7733]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  272.532879][ T7733]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.532885][ T7733]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  272.532888][ T7733]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  272.532890][ T7733]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  272.532893][ T7733]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  272.532900][ T7733]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  272.532902][ T7733]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  272.532906][ T7733]  genl_rcv (net/netlink/genetlink.c:1218)
[  272.532909][ T7733]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  272.532912][ T7733]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  272.532916][ T7733]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  272.532919][ T7733]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  272.532923][ T7733]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  272.532925][ T7733]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  272.532928][ T7733]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  272.532933][ T7733]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  272.532936][ T7733]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  272.532939][ T7733]  __sys_sendto (net/socket.c:2281)
[  272.532942][ T7733]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  272.532953][ T7733]  ? fput_close_sync (fs/file_table.c:617)
[  272.532956][ T7733]  ? alloc_file_clone (fs/file_table.c:479)
[  272.532960][ T7733]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  272.532963][ T7733]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  272.532966][ T7733]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  272.532969][ T7733]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  272.532971][ T7733]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  272.532973][ T7733]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  272.532975][ T7733]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  272.532978][ T7733] RIP: 0033:0x7f97496d2312
[  272.532981][ T7733] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  272.532983][ T7733] RSP: 002b:00007ffd83a89be8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  272.532986][ T7733] RAX: ffffffffffffffda RBX: 00007ffd83a89d18 RCX: 00007f97496d2312
[  272.532987][ T7733] RDX: 0000000000000044 RSI: 00007f9747416f60 RDI: 0000000000000020
[  272.532988][ T7733] RBP: 00007ffd83a89c10 R08: 00007ffd83a89d90 R09: 000000000000000c
[  272.532989][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f97475360b0
[  272.532990][ T7733] R13: 00007ffd83a89d18 R14: 00007f9748ff101a R15: 00007ffd83a8a108
| [  273.812340][ T7765] softirqs last disabled at (399656): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  273.812342][ T7765] Preemption disabled at:
| [  273.812343][ T7765] vprintk_emit (kernel/printk/printk.c:2471)
| [  273.812352][ T7765] Tainted: [W]=WARN
[  273.812353][ T7765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  273.812354][ T7765] Call Trace:
[  273.812356][ T7765]  <TASK>
[  273.812357][ T7765]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  273.812364][ T7765]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  273.812366][ T7765]  __might_resched.cold (kernel/sched/core.c:9234)
[  273.812370][ T7765]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  273.812374][ T7765]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  273.812379][ T7765]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  273.812381][ T7765]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  273.812389][ T7765]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  273.812392][ T7765]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  273.812396][ T7765]  put_chars (drivers/char/virtio_console.c:1176)
[  273.812398][ T7765]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  273.812402][ T7765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  273.812405][ T7765]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  273.812410][ T7765]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  273.812414][ T7765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.812416][ T7765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.812421][ T7765]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  273.812424][ T7765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.812427][ T7765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  273.812431][ T7765]  console_emit_next_record (kernel/printk/printk.c:3183)
[  273.812436][ T7765]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  273.812439][ T7765]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  273.812443][ T7765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.812445][ T7765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  273.812449][ T7765]  console_flush_one_record (kernel/printk/printk.c:3268)
[  273.812454][ T7765]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  273.812456][ T7765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.812462][ T7765]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  273.812465][ T7765]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  273.812467][ T7765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  273.812468][ T7765]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  273.812473][ T7765]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  273.812475][ T7765]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  273.812478][ T7765]  vprintk_emit (kernel/printk/printk.c:2479)
[  273.812482][ T7765]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  273.812488][ T7765]  _printk (kernel/printk/printk.c:2504)
[  273.812492][ T7765]  ? snapshot_read.cold (user.c:?)
[  273.812495][ T7765]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  273.812498][ T7765]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  273.812502][ T7765]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  273.812504][ T7765]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  273.812508][ T7765]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  273.812513][ T7765]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  273.812516][ T7765]  ? netdev_notice (net/core/dev.c:13194)
[  273.812518][ T7765]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  273.812530][ T7765]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  273.812533][ T7765]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  273.812536][ T7765]  netif_set_promiscuity (net/core/dev.c:9699)
[  273.812540][ T7765]  dev_set_promiscuity (net/core/dev_api.c:288)
[  273.812542][ T7765]  ? dev_disable_lro (net/core/dev_api.c:267)
[  273.812545][ T7765] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  273.812550][ T7765] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  273.812555][ T7765] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  273.812560][ T7765]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  273.812564][ T7765] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  273.812570][ T7765]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  273.812574][ T7765]  ? __nla_validate_parse (lib/nlattr.c:635)
[  273.812581][ T7765]  ? __nla_parse (lib/nlattr.c:732)
[  273.812584][ T7765]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  273.812589][ T7765]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  273.812593][ T7765]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  273.812602][ T7765]  ? security_capable (security/security.c:660 (discriminator 11))
[  273.812607][ T7765]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  273.812610][ T7765]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  273.812613][ T7765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  273.812615][ T7765]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  273.812620][ T7765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.812626][ T7765]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  273.812630][ T7765]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  273.812632][ T7765]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  273.812635][ T7765]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  273.812643][ T7765]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  273.812645][ T7765]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  273.812649][ T7765]  genl_rcv (net/netlink/genetlink.c:1218)
[  273.812652][ T7765]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  273.812656][ T7765]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  273.812660][ T7765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  273.812664][ T7765]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  273.812669][ T7765]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  273.812670][ T7765]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  273.812673][ T7765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  273.812679][ T7765]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  273.812682][ T7765]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  273.812685][ T7765]  __sys_sendto (net/socket.c:2281)
[  273.812688][ T7765]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  273.812700][ T7765]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  273.812706][ T7765]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  273.812708][ T7765]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  273.812712][ T7765]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  273.812714][ T7765]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  273.812717][ T7765]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  273.812719][ T7765]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  273.812722][ T7765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  273.812724][ T7765] RIP: 0033:0x7fe960b6d312
[  273.812729][ T7765] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  273.812731][ T7765] RSP: 002b:00007ffe7f7e2928 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  273.812733][ T7765] RAX: ffffffffffffffda RBX: 00007ffe7f7e2a58 RCX: 00007fe960b6d312
[  273.812735][ T7765] RDX: 0000000000000038 RSI: 00007fe95c798ff0 RDI: 0000000000000023
[  273.812736][ T7765] RBP: 00007ffe7f7e2950 R08: 00007ffe7f7e2ad0 R09: 000000000000000c
[  273.812737][ T7765] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe95e9ca190
[  273.812737][ T7765] R13: 00007ffe7f7e2a58 R14: 00007fe96048c01a R15: 00007ffe7f7e2e48
| [  274.952819][ T7792] softirqs last disabled at (387602): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  274.952821][ T7792] Preemption disabled at:
| [  274.952822][ T7792] vprintk_emit (kernel/printk/printk.c:2471)
| [  274.952832][ T7792] Tainted: [W]=WARN
[  274.952833][ T7792] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  274.952835][ T7792] Call Trace:
[  274.952836][ T7792]  <TASK>
[  274.952838][ T7792]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  274.952845][ T7792]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  274.952847][ T7792]  __might_resched.cold (kernel/sched/core.c:9234)
[  274.952851][ T7792]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  274.952856][ T7792]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  274.952860][ T7792]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  274.952862][ T7792]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  274.952869][ T7792]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  274.952872][ T7792]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  274.952876][ T7792]  put_chars (drivers/char/virtio_console.c:1176)
[  274.952879][ T7792]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  274.952882][ T7792]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  274.952885][ T7792]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  274.952890][ T7792]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  274.952894][ T7792]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.952896][ T7792]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.952901][ T7792]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  274.952905][ T7792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  274.952907][ T7792]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  274.952912][ T7792]  console_emit_next_record (kernel/printk/printk.c:3183)
[  274.952916][ T7792]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  274.952918][ T7792]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  274.952921][ T7792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  274.952923][ T7792]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  274.952928][ T7792]  console_flush_one_record (kernel/printk/printk.c:3268)
[  274.952932][ T7792]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  274.952934][ T7792]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.952940][ T7792]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  274.952943][ T7792]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  274.952945][ T7792]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  274.952947][ T7792]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  274.952951][ T7792]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  274.952952][ T7792]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  274.952955][ T7792]  vprintk_emit (kernel/printk/printk.c:2479)
[  274.952959][ T7792]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  274.952964][ T7792]  _printk (kernel/printk/printk.c:2504)
[  274.952968][ T7792]  ? snapshot_read.cold (user.c:?)
[  274.952971][ T7792]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  274.952974][ T7792]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  274.952978][ T7792]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  274.952980][ T7792]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  274.952982][ T7792]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  274.952985][ T7792]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  274.952989][ T7792]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  274.952992][ T7792]  ? netdev_notice (net/core/dev.c:13194)
[  274.952994][ T7792]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  274.953004][ T7792]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  274.953006][ T7792]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  274.953010][ T7792]  netif_set_promiscuity (net/core/dev.c:9699)
[  274.953014][ T7792]  dev_set_promiscuity (net/core/dev_api.c:288)
[  274.953016][ T7792]  ? dev_disable_lro (net/core/dev_api.c:267)
[  274.953018][ T7792] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  274.953024][ T7792] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  274.953029][ T7792] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  274.953034][ T7792]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  274.953039][ T7792] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  274.953045][ T7792]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  274.953049][ T7792]  ? __nla_validate_parse (lib/nlattr.c:635)
[  274.953059][ T7792]  ? __nla_parse (lib/nlattr.c:732)
[  274.953061][ T7792]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  274.953067][ T7792]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  274.953070][ T7792]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  274.953079][ T7792]  ? security_capable (security/security.c:660 (discriminator 11))
[  274.953084][ T7792]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  274.953088][ T7792]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  274.953090][ T7792]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  274.953093][ T7792]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  274.953097][ T7792]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.953103][ T7792]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  274.953107][ T7792]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  274.953109][ T7792]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  274.953112][ T7792]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  274.953120][ T7792]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  274.953122][ T7792]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  274.953126][ T7792]  genl_rcv (net/netlink/genetlink.c:1218)
[  274.953129][ T7792]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  274.953133][ T7792]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  274.953137][ T7792]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  274.953141][ T7792]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  274.953145][ T7792]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  274.953147][ T7792]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  274.953150][ T7792]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  274.953156][ T7792]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  274.953159][ T7792]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  274.953162][ T7792]  __sys_sendto (net/socket.c:2281)
[  274.953166][ T7792]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  274.953177][ T7792]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  274.953184][ T7792]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  274.953186][ T7792]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  274.953190][ T7792]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  274.953192][ T7792]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  274.953195][ T7792]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  274.953197][ T7792]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  274.953199][ T7792]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  274.953202][ T7792] RIP: 0033:0x7f9fef7f0312
[  274.953205][ T7792] 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)
[  274.953207][ T7792] RSP: 002b:00007ffda42305f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  274.953210][ T7792] RAX: ffffffffffffffda RBX: 00007ffda4230728 RCX: 00007f9fef7f0312
[  274.953211][ T7792] RDX: 0000000000000034 RSI: 00007f9fec2cda30 RDI: 0000000000000023
[  274.953212][ T7792] RBP: 00007ffda4230620 R08: 00007ffda42307a0 R09: 000000000000000c
[  274.953213][ T7792] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9fed65e190
[  274.953214][ T7792] R13: 00007ffda4230728 R14: 00007f9fef10f01a R15: 00007ffda4230b18
| [  284.085260][   T12] softirqs last disabled at (8094726): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  284.085263][   T12] Preemption disabled at:
| [  284.085263][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  284.085274][   T12] Tainted: [W]=WARN
[  284.085275][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  284.085278][   T12] Workqueue: netns cleanup_net
[  284.085283][   T12] Call Trace:
[  284.085284][   T12]  <TASK>
[  284.085287][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  284.085293][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  284.085295][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  284.085299][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  284.085303][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  284.085308][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  284.085310][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  284.085317][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  284.085321][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  284.085327][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  284.085329][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  284.085332][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  284.085335][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  284.085338][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  284.085341][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  284.085346][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  284.085350][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  284.085352][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  284.085354][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  284.085358][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  284.085361][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  284.085365][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.085367][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.085372][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  284.085379][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  284.085388][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  284.085391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.085393][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.085397][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  284.085402][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  284.085404][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  284.085409][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  284.085412][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  284.085414][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.085416][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  284.085420][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  284.085422][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  284.085425][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  284.085428][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  284.085431][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  284.085433][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  284.085442][   T12]  _printk (kernel/printk/printk.c:2504)
[  284.085446][   T12]  ? snapshot_read.cold (user.c:?)
[  284.085451][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  284.085455][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  284.085459][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  284.085462][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  284.085463][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  284.085468][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  284.085473][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  284.085476][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  284.085479][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  284.085483][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  284.085485][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  284.085489][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  284.085498][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  284.085503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.085505][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  284.085511][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  284.085517][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  284.085525][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  284.085528][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  284.085531][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  284.085533][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  284.085538][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  284.085542][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  284.085548][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  284.085550][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  284.085554][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  284.085559][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  284.085562][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  284.085566][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.085568][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.085572][   T12]  process_one_work (kernel/workqueue.c:3387)
[  284.085579][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  284.085582][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  284.085590][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  284.085598][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  284.085602][   T12]  kthread (kernel/kthread.c:436)
[  284.085605][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  284.085609][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  284.085612][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  284.085616][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  284.085620][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  284.085623][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  284.085626][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  285.095308][ T7992] softirqs last disabled at (384994): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  285.095310][ T7992] Preemption disabled at:
| [  285.095311][ T7992] vprintk_emit (kernel/printk/printk.c:2471)
| [  285.095320][ T7992] Tainted: [W]=WARN
[  285.095321][ T7992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  285.095323][ T7992] Call Trace:
[  285.095324][ T7992]  <TASK>
[  285.095326][ T7992]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  285.095332][ T7992]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  285.095334][ T7992]  __might_resched.cold (kernel/sched/core.c:9234)
[  285.095339][ T7992]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  285.095343][ T7992]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  285.095348][ T7992]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  285.095350][ T7992]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.095357][ T7992]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  285.095360][ T7992]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  285.095364][ T7992]  put_chars (drivers/char/virtio_console.c:1176)
[  285.095366][ T7992]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  285.095368][ T7992]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  285.095372][ T7992]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  285.095378][ T7992]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  285.095386][ T7992]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  285.095395][ T7992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.095397][ T7992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.095401][ T7992]  console_emit_next_record (kernel/printk/printk.c:3183)
[  285.095406][ T7992]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  285.095408][ T7992]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  285.095411][ T7992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.095413][ T7992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  285.095418][ T7992]  console_flush_one_record (kernel/printk/printk.c:3268)
[  285.095422][ T7992]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  285.095424][ T7992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.095430][ T7992]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  285.095434][ T7992]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  285.095436][ T7992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  285.095437][ T7992]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  285.095441][ T7992]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  285.095443][ T7992]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  285.095446][ T7992]  vprintk_emit (kernel/printk/printk.c:2479)
[  285.095450][ T7992]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  285.095453][ T7992]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  285.095456][ T7992]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  285.095464][ T7992]  _printk (kernel/printk/printk.c:2504)
[  285.095468][ T7992]  ? snapshot_read.cold (user.c:?)
[  285.095473][ T7992]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  285.095477][ T7992]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  285.095481][ T7992]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  285.095484][ T7992]  ? netdev_notice (net/core/dev.c:13194)
[  285.095486][ T7992]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  285.095490][ T7992]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  285.095496][ T7992]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  285.095499][ T7992]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  285.095503][ T7992]  netif_set_promiscuity (net/core/dev.c:9699)
[  285.095507][ T7992]  dev_set_promiscuity (net/core/dev_api.c:288)
[  285.095509][ T7992]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  285.095513][ T7992] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  285.095517][ T7992]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  285.095521][ T7992] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  285.095526][ T7992] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  285.095534][ T7992]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  285.095538][ T7992]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  285.095547][ T7992]  ? security_capable (security/security.c:660 (discriminator 11))
[  285.095552][ T7992]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  285.095556][ T7992]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  285.095559][ T7992]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  285.095562][ T7992]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  285.095566][ T7992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.095573][ T7992]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  285.095576][ T7992]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  285.095578][ T7992]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  285.095582][ T7992]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  285.095590][ T7992]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  285.095592][ T7992]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  285.095596][ T7992]  genl_rcv (net/netlink/genetlink.c:1218)
[  285.095599][ T7992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  285.095603][ T7992]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  285.095607][ T7992]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  285.095611][ T7992]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  285.095615][ T7992]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  285.095617][ T7992]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  285.095620][ T7992]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  285.095626][ T7992]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  285.095629][ T7992]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  285.095633][ T7992]  __sys_sendto (net/socket.c:2281)
[  285.095636][ T7992]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  285.095648][ T7992]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  285.095655][ T7992]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  285.095657][ T7992]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  285.095661][ T7992]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  285.095663][ T7992]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  285.095665][ T7992]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  285.095667][ T7992]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  285.095670][ T7992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  285.095672][ T7992] RIP: 0033:0x7f176b83c312
[  285.095676][ T7992] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  285.095678][ T7992] RSP: 002b:00007ffd758e4db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  285.095680][ T7992] RAX: ffffffffffffffda RBX: 00007ffd758e4ee8 RCX: 00007f176b83c312
[  285.095682][ T7992] RDX: 0000000000000024 RSI: 00007f17682b0ae0 RDI: 0000000000000023
[  285.095683][ T7992] RBP: 00007ffd758e4de0 R08: 00007ffd758e4f60 R09: 000000000000000c
[  285.095684][ T7992] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f17696a9fd0
[  285.095685][ T7992] R13: 00007ffd758e4ee8 R14: 00007f176b15b01a R15: 00007ffd758e52d8
| [  286.725930][ T8018] softirqs last disabled at (381514): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  286.725932][ T8018] Preemption disabled at:
| [  286.725933][ T8018] vprintk_emit (kernel/printk/printk.c:2471)
| [  286.725942][ T8018] Tainted: [W]=WARN
[  286.725943][ T8018] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  286.725944][ T8018] Call Trace:
[  286.725946][ T8018]  <TASK>
[  286.725948][ T8018]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  286.725953][ T8018]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  286.725955][ T8018]  __might_resched.cold (kernel/sched/core.c:9234)
[  286.725960][ T8018]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  286.725964][ T8018]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  286.725969][ T8018]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  286.725971][ T8018]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  286.725977][ T8018]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  286.725980][ T8018]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  286.725984][ T8018]  put_chars (drivers/char/virtio_console.c:1176)
[  286.725986][ T8018]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  286.725988][ T8018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  286.725991][ T8018]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  286.725997][ T8018]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  286.726005][ T8018]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  286.726008][ T8018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.726010][ T8018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  286.726014][ T8018]  console_emit_next_record (kernel/printk/printk.c:3183)
[  286.726018][ T8018]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  286.726020][ T8018]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  286.726024][ T8018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.726025][ T8018]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  286.726030][ T8018]  console_flush_one_record (kernel/printk/printk.c:3268)
[  286.726034][ T8018]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  286.726036][ T8018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.726042][ T8018]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  286.726045][ T8018]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  286.726047][ T8018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.726048][ T8018]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  286.726052][ T8018]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  286.726054][ T8018]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  286.726061][ T8018]  vprintk_emit (kernel/printk/printk.c:2479)
[  286.726065][ T8018]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  286.726067][ T8018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  286.726069][ T8018]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  286.726073][ T8018]  _printk (kernel/printk/printk.c:2504)
[  286.726077][ T8018]  ? snapshot_read.cold (user.c:?)
[  286.726082][ T8018]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  286.726083][ T8018]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  286.726087][ T8018]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  286.726091][ T8018]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  286.726094][ T8018]  ? netdev_notice (net/core/dev.c:13194)
[  286.726096][ T8018]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  286.726101][ T8018]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  286.726107][ T8018]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  286.726110][ T8018]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  286.726114][ T8018]  netif_set_promiscuity (net/core/dev.c:9699)
[  286.726119][ T8018]  dev_set_promiscuity (net/core/dev_api.c:288)
[  286.726122][ T8018] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  286.726127][ T8018] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  286.726134][ T8018] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  286.726140][ T8018]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  286.726143][ T8018]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  286.726152][ T8018]  ? security_capable (security/security.c:660 (discriminator 11))
[  286.726157][ T8018]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  286.726161][ T8018]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  286.726163][ T8018]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  286.726166][ T8018]  ? __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
[  286.726170][ T8018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.726176][ T8018]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  286.726179][ T8018]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  286.726182][ T8018]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  286.726185][ T8018]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  286.726192][ T8018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  286.726195][ T8018]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  286.726199][ T8018]  genl_rcv (net/netlink/genetlink.c:1218)
[  286.726201][ T8018]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  286.726206][ T8018]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  286.726209][ T8018]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  286.726213][ T8018]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  286.726217][ T8018]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  286.726219][ T8018]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  286.726222][ T8018]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  286.726227][ T8018]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  286.726230][ T8018]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  286.726234][ T8018]  __sys_sendto (net/socket.c:2281)
[  286.726237][ T8018]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  286.726248][ T8018]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  286.726253][ T8018]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  286.726256][ T8018]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  286.726259][ T8018]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  286.726261][ T8018]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  286.726264][ T8018]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  286.726266][ T8018]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  286.726268][ T8018]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  286.726270][ T8018] RIP: 0033:0x7fa7b490e312
[  286.726274][ T8018] 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)
[  286.726276][ T8018] RSP: 002b:00007ffd01fc4f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  286.726279][ T8018] RAX: ffffffffffffffda RBX: 00007ffd01fc5048 RCX: 00007fa7b490e312
[  286.726280][ T8018] RDX: 0000000000000024 RSI: 00007fa7b048dbc0 RDI: 0000000000000020
[  286.726281][ T8018] RBP: 00007ffd01fc4f40 R08: 00007ffd01fc50c0 R09: 000000000000000c
[  286.726282][ T8018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7b2771e10
[  286.726282][ T8018] R13: 00007ffd01fc5048 R14: 00007fa7b422d01a R15: 00007ffd01fc5438
| [  290.012175][ T8113] softirqs last disabled at (396875): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  290.012178][ T8113] Preemption disabled at:
| [  290.012179][ T8113] vprintk_emit (kernel/printk/printk.c:2471)
| [  290.012190][ T8113] Tainted: [W]=WARN
[  290.012191][ T8113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  290.012194][ T8113] Call Trace:
[  290.012196][ T8113]  <TASK>
[  290.012198][ T8113]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  290.012205][ T8113]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  290.012208][ T8113]  __might_resched.cold (kernel/sched/core.c:9234)
[  290.012214][ T8113]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  290.012219][ T8113]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  290.012226][ T8113]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  290.012229][ T8113]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  290.012238][ T8113]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  290.012242][ T8113]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  290.012248][ T8113]  put_chars (drivers/char/virtio_console.c:1176)
[  290.012252][ T8113]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  290.012256][ T8113]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  290.012261][ T8113]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  290.012265][ T8113]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  290.012272][ T8113]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  290.012277][ T8113]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  290.012280][ T8113]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.012282][ T8113]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.012290][ T8113]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  290.012292][ T8113]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  290.012300][ T8113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  290.012306][ T8113]  console_emit_next_record (kernel/printk/printk.c:3183)
[  290.012313][ T8113]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  290.012315][ T8113]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  290.012321][ T8113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  290.012324][ T8113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  290.012330][ T8113]  console_flush_one_record (kernel/printk/printk.c:3268)
[  290.012337][ T8113]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  290.012340][ T8113]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.012348][ T8113]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  290.012353][ T8113]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  290.012355][ T8113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  290.012358][ T8113]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  290.012365][ T8113]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  290.012368][ T8113]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  290.012373][ T8113]  vprintk_emit (kernel/printk/printk.c:2479)
[  290.012378][ T8113]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  290.012382][ T8113]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  290.012384][ T8113]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  290.012392][ T8113]  _printk (kernel/printk/printk.c:2504)
[  290.012397][ T8113]  ? snapshot_read.cold (user.c:?)
[  290.012400][ T8113]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  290.012409][ T8113]  ? idr_get_free (??:?)
[  290.012424][ T8113]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  290.012437][ T8113]  ? nla_get_range_signed (lib/nlattr.c:270)
[  290.012445][ T8113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  290.012448][ T8113]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  290.012455][ T8113]  __nla_validate_parse (lib/nlattr.c:635)
[  290.012463][ T8113]  __nla_parse (lib/nlattr.c:732)
[  290.012467][ T8113]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  290.012475][ T8113]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  290.012481][ T8113]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  290.012496][ T8113]  ? security_capable (security/security.c:660 (discriminator 11))
[  290.012502][ T8113]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  290.012508][ T8113]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  290.012512][ T8113]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  290.012516][ T8113]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  290.012528][ T8113]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.012537][ T8113]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  290.012543][ T8113]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  290.012546][ T8113]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  290.012552][ T8113]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  290.012564][ T8113]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  290.012567][ T8113]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  290.012574][ T8113]  genl_rcv (net/netlink/genetlink.c:1218)
[  290.012577][ T8113]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  290.012584][ T8113]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  290.012590][ T8113]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  290.012596][ T8113]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  290.012603][ T8113]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  290.012606][ T8113]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  290.012611][ T8113]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  290.012619][ T8113]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  290.012623][ T8113]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  290.012629][ T8113]  __sys_sendto (net/socket.c:2281)
[  290.012633][ T8113]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  290.012652][ T8113]  ? fput_close_sync (fs/file_table.c:617)
[  290.012658][ T8113]  ? alloc_file_clone (fs/file_table.c:479)
[  290.012665][ T8113]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  290.012668][ T8113]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  290.012673][ T8113]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  290.012676][ T8113]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  290.012679][ T8113]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  290.012682][ T8113]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  290.012686][ T8113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  290.012690][ T8113] RIP: 0033:0x7f3b7810a312
[  290.012695][ T8113] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  290.012697][ T8113] RSP: 002b:00007ffc9c041498 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  290.012701][ T8113] RAX: ffffffffffffffda RBX: 00007ffc9c0415c8 RCX: 00007f3b7810a312
[  290.012703][ T8113] RDX: 0000000000000044 RSI: 00007f3b75e4f0a0 RDI: 0000000000000020
[  290.012704][ T8113] RBP: 00007ffc9c0414c0 R08: 00007ffc9c041640 R09: 000000000000000c
[  290.012706][ T8113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3b75f6e0b0
[  290.012707][ T8113] R13: 00007ffc9c0415c8 R14: 00007f3b77a2901a R15: 00007ffc9c0419b8
| [  291.269046][ T8145] softirqs last disabled at (378248): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  291.269048][ T8145] Preemption disabled at:
| [  291.269049][ T8145] vprintk_emit (kernel/printk/printk.c:2471)
| [  291.269061][ T8145] Tainted: [W]=WARN
[  291.269062][ T8145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  291.269064][ T8145] Call Trace:
[  291.269065][ T8145]  <TASK>
[  291.269067][ T8145]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  291.269073][ T8145]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  291.269075][ T8145]  __might_resched.cold (kernel/sched/core.c:9234)
[  291.269079][ T8145]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  291.269084][ T8145]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  291.269089][ T8145]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  291.269090][ T8145]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.269097][ T8145]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  291.269099][ T8145]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  291.269103][ T8145]  put_chars (drivers/char/virtio_console.c:1176)
[  291.269106][ T8145]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  291.269109][ T8145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.269112][ T8145]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  291.269117][ T8145]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  291.269121][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.269123][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.269128][ T8145]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  291.269131][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.269134][ T8145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.269138][ T8145]  console_emit_next_record (kernel/printk/printk.c:3183)
[  291.269142][ T8145]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  291.269144][ T8145]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  291.269147][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.269149][ T8145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  291.269153][ T8145]  console_flush_one_record (kernel/printk/printk.c:3268)
[  291.269157][ T8145]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  291.269159][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.269165][ T8145]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  291.269168][ T8145]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  291.269170][ T8145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  291.269171][ T8145]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  291.269175][ T8145]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  291.269177][ T8145]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  291.269180][ T8145]  vprintk_emit (kernel/printk/printk.c:2479)
[  291.269183][ T8145]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  291.269189][ T8145]  _printk (kernel/printk/printk.c:2504)
[  291.269192][ T8145]  ? snapshot_read.cold (user.c:?)
[  291.269195][ T8145]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  291.269198][ T8145]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  291.269202][ T8145]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  291.269204][ T8145]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  291.269208][ T8145]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  291.269212][ T8145]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  291.269214][ T8145]  ? netdev_notice (net/core/dev.c:13194)
[  291.269216][ T8145]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  291.269225][ T8145]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  291.269228][ T8145]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  291.269232][ T8145]  netif_set_promiscuity (net/core/dev.c:9699)
[  291.269236][ T8145]  dev_set_promiscuity (net/core/dev_api.c:288)
[  291.269238][ T8145]  ? dev_disable_lro (net/core/dev_api.c:267)
[  291.269240][ T8145] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  291.269245][ T8145] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  291.269250][ T8145] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  291.269255][ T8145]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  291.269259][ T8145] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  291.269265][ T8145]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  291.269269][ T8145]  ? __nla_validate_parse (lib/nlattr.c:635)
[  291.269275][ T8145]  ? __nla_parse (lib/nlattr.c:732)
[  291.269277][ T8145]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  291.269282][ T8145]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  291.269286][ T8145]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  291.269294][ T8145]  ? security_capable (security/security.c:660 (discriminator 11))
[  291.269299][ T8145]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  291.269302][ T8145]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  291.269305][ T8145]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  291.269307][ T8145]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  291.269311][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.269317][ T8145]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  291.269321][ T8145]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  291.269323][ T8145]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  291.269326][ T8145]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  291.269333][ T8145]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  291.269336][ T8145]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  291.269340][ T8145]  genl_rcv (net/netlink/genetlink.c:1218)
[  291.269342][ T8145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  291.269346][ T8145]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  291.269350][ T8145]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  291.269353][ T8145]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  291.269358][ T8145]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  291.269359][ T8145]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  291.269362][ T8145]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  291.269367][ T8145]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  291.269370][ T8145]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  291.269374][ T8145]  __sys_sendto (net/socket.c:2281)
[  291.269377][ T8145]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  291.269388][ T8145]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  291.269395][ T8145]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  291.269397][ T8145]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  291.269401][ T8145]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  291.269403][ T8145]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  291.269405][ T8145]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  291.269407][ T8145]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  291.269410][ T8145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  291.269412][ T8145] RIP: 0033:0x7fd6a4ca0312
[  291.269416][ T8145] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  291.269417][ T8145] RSP: 002b:00007ffd23377ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  291.269420][ T8145] RAX: ffffffffffffffda RBX: 00007ffd23377ff8 RCX: 00007fd6a4ca0312
[  291.269421][ T8145] RDX: 0000000000000038 RSI: 00007fd68a71b5f0 RDI: 0000000000000023
[  291.269422][ T8145] RBP: 00007ffd23377ef0 R08: 00007ffd23378070 R09: 000000000000000c
[  291.269423][ T8145] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd6a2b0a190
[  291.269429][ T8145] R13: 00007ffd23377ff8 R14: 00007fd6a45bf01a R15: 00007ffd233783e8
| [  292.328310][ T8172] softirqs last disabled at (384950): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  292.328312][ T8172] Preemption disabled at:
| [  292.328313][ T8172] vprintk_emit (kernel/printk/printk.c:2471)
| [  292.328322][ T8172] Tainted: [W]=WARN
[  292.328323][ T8172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  292.328325][ T8172] Call Trace:
[  292.328326][ T8172]  <TASK>
[  292.328328][ T8172]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  292.328334][ T8172]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  292.328336][ T8172]  __might_resched.cold (kernel/sched/core.c:9234)
[  292.328341][ T8172]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  292.328347][ T8172]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  292.328352][ T8172]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  292.328354][ T8172]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  292.328361][ T8172]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  292.328364][ T8172]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  292.328368][ T8172]  put_chars (drivers/char/virtio_console.c:1176)
[  292.328370][ T8172]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  292.328373][ T8172]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  292.328377][ T8172]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  292.328381][ T8172]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  292.328386][ T8172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.328388][ T8172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.328393][ T8172]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  292.328399][ T8172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.328402][ T8172]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.328407][ T8172]  console_emit_next_record (kernel/printk/printk.c:3183)
[  292.328412][ T8172]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  292.328414][ T8172]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  292.328417][ T8172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.328419][ T8172]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.328423][ T8172]  console_flush_one_record (kernel/printk/printk.c:3268)
[  292.328427][ T8172]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  292.328429][ T8172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.328445][ T8172]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  292.328449][ T8172]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  292.328452][ T8172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.328455][ T8172]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  292.328462][ T8172]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  292.328464][ T8172]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  292.328470][ T8172]  vprintk_emit (kernel/printk/printk.c:2479)
[  292.328473][ T8172]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  292.328479][ T8172]  _printk (kernel/printk/printk.c:2504)
[  292.328483][ T8172]  ? snapshot_read.cold (user.c:?)
[  292.328486][ T8172]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  292.328489][ T8172]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  292.328493][ T8172]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  292.328495][ T8172]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  292.328497][ T8172]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  292.328501][ T8172]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  292.328505][ T8172]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  292.328508][ T8172]  ? netdev_notice (net/core/dev.c:13194)
[  292.328509][ T8172]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  292.328525][ T8172]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  292.328528][ T8172]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  292.328531][ T8172]  netif_set_promiscuity (net/core/dev.c:9699)
[  292.328535][ T8172]  dev_set_promiscuity (net/core/dev_api.c:288)
[  292.328537][ T8172]  ? dev_disable_lro (net/core/dev_api.c:267)
[  292.328540][ T8172] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  292.328546][ T8172] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  292.328551][ T8172] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  292.328556][ T8172]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  292.328562][ T8172] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  292.328570][ T8172]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  292.328577][ T8172]  ? __nla_validate_parse (lib/nlattr.c:635)
[  292.328584][ T8172]  ? __nla_parse (lib/nlattr.c:732)
[  292.328586][ T8172]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  292.328592][ T8172]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  292.328596][ T8172]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  292.328604][ T8172]  ? security_capable (security/security.c:660 (discriminator 11))
[  292.328609][ T8172]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  292.328613][ T8172]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  292.328616][ T8172]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  292.328619][ T8172]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  292.328626][ T8172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.328633][ T8172]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  292.328636][ T8172]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  292.328639][ T8172]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  292.328642][ T8172]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  292.328650][ T8172]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  292.328652][ T8172]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  292.328657][ T8172]  genl_rcv (net/netlink/genetlink.c:1218)
[  292.328660][ T8172]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  292.328664][ T8172]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  292.328669][ T8172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  292.328675][ T8172]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  292.328682][ T8172]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  292.328684][ T8172]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  292.328688][ T8172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  292.328693][ T8172]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  292.328696][ T8172]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  292.328700][ T8172]  __sys_sendto (net/socket.c:2281)
[  292.328703][ T8172]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  292.328709][ T8172]  ? do_futex (kernel/futex/syscalls.c:138)
[  292.328713][ T8172]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  292.328720][ T8172]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  292.328723][ T8172]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  292.328728][ T8172]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  292.328730][ T8172]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  292.328734][ T8172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  292.328735][ T8172]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  292.328738][ T8172]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  292.328740][ T8172]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  292.328744][ T8172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  292.328747][ T8172] RIP: 0033:0x7f9d16830312
[  292.328751][ T8172] 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)
[  292.328753][ T8172] RSP: 002b:00007ffd72654558 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  292.328756][ T8172] RAX: ffffffffffffffda RBX: 00007ffd72654688 RCX: 00007f9d16830312
[  292.328757][ T8172] RDX: 0000000000000034 RSI: 00007f9d102f8870 RDI: 0000000000000023
[  292.328758][ T8172] RBP: 00007ffd72654580 R08: 00007ffd72654700 R09: 000000000000000c
[  292.328759][ T8172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d1469e190
[  292.328760][ T8172] R13: 00007ffd72654688 R14: 00007f9d1614f01a R15: 00007ffd72654a78
| [  301.382558][   T12] softirqs last disabled at (8293576): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  301.382560][   T12] Preemption disabled at:
| [  301.382561][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  301.382570][   T12] Tainted: [W]=WARN
[  301.382571][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  301.382573][   T12] Workqueue: netns cleanup_net
[  301.382576][   T12] Call Trace:
[  301.382578][   T12]  <TASK>
[  301.382580][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  301.382586][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  301.382588][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  301.382592][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  301.382596][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  301.382601][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  301.382603][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  301.382609][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  301.382612][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  301.382616][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  301.382618][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  301.382620][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  301.382623][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  301.382626][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  301.382629][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  301.382634][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  301.382638][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  301.382640][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  301.382642][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  301.382646][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  301.382649][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  301.382653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  301.382655][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  301.382660][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  301.382664][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  301.382666][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  301.382669][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  301.382671][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  301.382675][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  301.382680][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  301.382682][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  301.382688][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  301.382691][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  301.382692][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  301.382694][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  301.382698][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  301.382700][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  301.382703][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  301.382706][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  301.382709][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  301.382711][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  301.382721][   T12]  _printk (kernel/printk/printk.c:2504)
[  301.382725][   T12]  ? snapshot_read.cold (user.c:?)
[  301.382729][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  301.382733][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  301.382737][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  301.382740][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  301.382742][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  301.382747][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  301.382752][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  301.382755][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  301.382759][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  301.382762][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  301.382764][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  301.382768][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  301.382774][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  301.382779][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  301.382781][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  301.382787][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  301.382793][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  301.382801][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  301.382804][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  301.382807][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  301.382810][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  301.382815][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  301.382818][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  301.382822][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  301.382824][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  301.382827][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  301.382835][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  301.382839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  301.382843][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  301.382845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  301.382848][   T12]  process_one_work (kernel/workqueue.c:3387)
[  301.382855][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  301.382858][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  301.382866][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  301.382874][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  301.382876][   T12]  kthread (kernel/kthread.c:436)
[  301.382879][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  301.382883][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  301.382886][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  301.382890][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  301.382894][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  301.382897][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  301.382900][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  302.431957][ T8373] softirqs last disabled at (392766): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  302.431959][ T8373] Preemption disabled at:
| [  302.431960][ T8373] vprintk_emit (kernel/printk/printk.c:2471)
| [  302.431968][ T8373] Tainted: [W]=WARN
[  302.431969][ T8373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  302.431970][ T8373] Call Trace:
[  302.431972][ T8373]  <TASK>
[  302.431974][ T8373]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  302.431979][ T8373]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  302.431981][ T8373]  __might_resched.cold (kernel/sched/core.c:9234)
[  302.431985][ T8373]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  302.431990][ T8373]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  302.431994][ T8373]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  302.431996][ T8373]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  302.432002][ T8373]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  302.432005][ T8373]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  302.432009][ T8373]  put_chars (drivers/char/virtio_console.c:1176)
[  302.432011][ T8373]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  302.432013][ T8373]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  302.432016][ T8373]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  302.432022][ T8373]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  302.432029][ T8373]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  302.432032][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.432034][ T8373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  302.432038][ T8373]  console_emit_next_record (kernel/printk/printk.c:3183)
[  302.432042][ T8373]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  302.432044][ T8373]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  302.432048][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.432050][ T8373]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  302.432054][ T8373]  console_flush_one_record (kernel/printk/printk.c:3268)
[  302.432062][ T8373]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  302.432064][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.432069][ T8373]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  302.432072][ T8373]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  302.432074][ T8373]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  302.432076][ T8373]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  302.432080][ T8373]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  302.432082][ T8373]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  302.432085][ T8373]  vprintk_emit (kernel/printk/printk.c:2479)
[  302.432088][ T8373]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  302.432091][ T8373]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  302.432093][ T8373]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  302.432101][ T8373]  _printk (kernel/printk/printk.c:2504)
[  302.432104][ T8373]  ? snapshot_read.cold (user.c:?)
[  302.432109][ T8373]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  302.432113][ T8373]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  302.432117][ T8373]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  302.432120][ T8373]  ? netdev_notice (net/core/dev.c:13194)
[  302.432122][ T8373]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  302.432126][ T8373]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  302.432132][ T8373]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  302.432134][ T8373]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  302.432138][ T8373]  netif_set_promiscuity (net/core/dev.c:9699)
[  302.432141][ T8373]  dev_set_promiscuity (net/core/dev_api.c:288)
[  302.432143][ T8373]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  302.432147][ T8373] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  302.432151][ T8373]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  302.432155][ T8373] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  302.432160][ T8373] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  302.432168][ T8373]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  302.432172][ T8373]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  302.432180][ T8373]  ? security_capable (security/security.c:660 (discriminator 11))
[  302.432185][ T8373]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  302.432189][ T8373]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  302.432191][ T8373]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  302.432194][ T8373]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  302.432199][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.432204][ T8373]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  302.432208][ T8373]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  302.432210][ T8373]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  302.432213][ T8373]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  302.432220][ T8373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  302.432223][ T8373]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  302.432227][ T8373]  genl_rcv (net/netlink/genetlink.c:1218)
[  302.432229][ T8373]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  302.432233][ T8373]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  302.432237][ T8373]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  302.432240][ T8373]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  302.432244][ T8373]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  302.432246][ T8373]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  302.432249][ T8373]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  302.432254][ T8373]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  302.432257][ T8373]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  302.432261][ T8373]  __sys_sendto (net/socket.c:2281)
[  302.432264][ T8373]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  302.432275][ T8373]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  302.432281][ T8373]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  302.432283][ T8373]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  302.432287][ T8373]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  302.432288][ T8373]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  302.432291][ T8373]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  302.432293][ T8373]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  302.432295][ T8373]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  302.432297][ T8373] RIP: 0033:0x7feeca917312
[  302.432301][ T8373] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  302.432303][ T8373] RSP: 002b:00007ffe62f3ddf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  302.432305][ T8373] RAX: ffffffffffffffda RBX: 00007ffe62f3df28 RCX: 00007feeca917312
[  302.432307][ T8373] RDX: 0000000000000024 RSI: 00007feec6578ed0 RDI: 0000000000000023
[  302.432308][ T8373] RBP: 00007ffe62f3de20 R08: 00007ffe62f3dfa0 R09: 000000000000000c
[  302.432308][ T8373] R10: 0000000000000000 R11: 0000000000000246 R12: 00007feec8779fd0
[  302.432309][ T8373] R13: 00007ffe62f3df28 R14: 00007feeca23601a R15: 00007ffe62f3e318
| [  303.978550][ T8399] softirqs last disabled at (389592): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  303.978553][ T8399] Preemption disabled at:
| [  303.978554][ T8399] vprintk_emit (kernel/printk/printk.c:2471)
| [  303.978562][ T8399] Tainted: [W]=WARN
[  303.978563][ T8399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  303.978565][ T8399] Call Trace:
[  303.978566][ T8399]  <TASK>
[  303.978568][ T8399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  303.978574][ T8399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  303.978576][ T8399]  __might_resched.cold (kernel/sched/core.c:9234)
[  303.978580][ T8399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  303.978585][ T8399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  303.978589][ T8399]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  303.978591][ T8399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.978598][ T8399]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  303.978601][ T8399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  303.978605][ T8399]  put_chars (drivers/char/virtio_console.c:1176)
[  303.978607][ T8399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  303.978609][ T8399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.978612][ T8399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  303.978618][ T8399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  303.978626][ T8399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  303.978629][ T8399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.978631][ T8399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.978635][ T8399]  console_emit_next_record (kernel/printk/printk.c:3183)
[  303.978639][ T8399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  303.978641][ T8399]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  303.978644][ T8399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.978646][ T8399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  303.978650][ T8399]  console_flush_one_record (kernel/printk/printk.c:3268)
[  303.978655][ T8399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  303.978657][ T8399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.978662][ T8399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  303.978665][ T8399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  303.978667][ T8399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.978669][ T8399]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  303.978673][ T8399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  303.978674][ T8399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  303.978677][ T8399]  vprintk_emit (kernel/printk/printk.c:2479)
[  303.978680][ T8399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  303.978682][ T8399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.978685][ T8399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  303.978689][ T8399]  _printk (kernel/printk/printk.c:2504)
[  303.978693][ T8399]  ? snapshot_read.cold (user.c:?)
[  303.978697][ T8399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  303.978698][ T8399]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  303.978702][ T8399]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  303.978706][ T8399]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  303.978709][ T8399]  ? netdev_notice (net/core/dev.c:13194)
[  303.978711][ T8399]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  303.978717][ T8399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  303.978723][ T8399]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  303.978725][ T8399]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  303.978729][ T8399]  netif_set_promiscuity (net/core/dev.c:9699)
[  303.978734][ T8399]  dev_set_promiscuity (net/core/dev_api.c:288)
[  303.978737][ T8399] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  303.978742][ T8399] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  303.978749][ T8399] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  303.978754][ T8399]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  303.978758][ T8399]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  303.978767][ T8399]  ? security_capable (security/security.c:660 (discriminator 11))
[  303.978771][ T8399]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  303.978775][ T8399]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  303.978778][ T8399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  303.978780][ T8399]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  303.978784][ T8399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.978790][ T8399]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  303.978793][ T8399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  303.978795][ T8399]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  303.978799][ T8399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  303.978806][ T8399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  303.978809][ T8399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  303.978813][ T8399]  genl_rcv (net/netlink/genetlink.c:1218)
[  303.978815][ T8399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  303.978819][ T8399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  303.978823][ T8399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  303.978826][ T8399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  303.978831][ T8399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  303.978832][ T8399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  303.978835][ T8399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  303.978841][ T8399]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  303.978843][ T8399]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  303.978847][ T8399]  __sys_sendto (net/socket.c:2281)
[  303.978850][ T8399]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  303.978856][ T8399]  ? do_futex (kernel/futex/syscalls.c:138)
[  303.978859][ T8399]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  303.978866][ T8399]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  303.978870][ T8399]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  303.978872][ T8399]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  303.978876][ T8399]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  303.978878][ T8399]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  303.978881][ T8399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  303.978883][ T8399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  303.978885][ T8399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  303.978887][ T8399] RIP: 0033:0x7fcd95839312
[  303.978891][ T8399] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  303.978893][ T8399] RSP: 002b:00007ffebb026028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  303.978896][ T8399] RAX: ffffffffffffffda RBX: 00007ffebb026158 RCX: 00007fcd95839312
[  303.978897][ T8399] RDX: 0000000000000024 RSI: 00007fcd913fde00 RDI: 0000000000000020
[  303.978898][ T8399] RBP: 00007ffebb026050 R08: 00007ffebb0261d0 R09: 000000000000000c
[  303.978899][ T8399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd93695e10
[  303.978900][ T8399] R13: 00007ffebb026158 R14: 00007fcd9515801a R15: 00007ffebb026548
| [  307.365039][ T8506] softirqs last disabled at (392864): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  307.365041][ T8506] Preemption disabled at:
| [  307.365042][ T8506] vprintk_emit (kernel/printk/printk.c:2471)
| [  307.365050][ T8506] Tainted: [W]=WARN
[  307.365051][ T8506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  307.365052][ T8506] Call Trace:
[  307.365054][ T8506]  <TASK>
[  307.365059][ T8506]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  307.365065][ T8506]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  307.365067][ T8506]  __might_resched.cold (kernel/sched/core.c:9234)
[  307.365071][ T8506]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  307.365075][ T8506]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  307.365080][ T8506]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  307.365081][ T8506]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.365088][ T8506]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  307.365090][ T8506]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  307.365094][ T8506]  put_chars (drivers/char/virtio_console.c:1176)
[  307.365097][ T8506]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  307.365099][ T8506]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  307.365102][ T8506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  307.365105][ T8506]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  307.365109][ T8506]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  307.365113][ T8506]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  307.365115][ T8506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.365117][ T8506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.365121][ T8506]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  307.365123][ T8506]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  307.365127][ T8506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.365131][ T8506]  console_emit_next_record (kernel/printk/printk.c:3183)
[  307.365135][ T8506]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  307.365137][ T8506]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  307.365140][ T8506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.365142][ T8506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  307.365146][ T8506]  console_flush_one_record (kernel/printk/printk.c:3268)
[  307.365151][ T8506]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  307.365153][ T8506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.365158][ T8506]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  307.365161][ T8506]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  307.365163][ T8506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.365164][ T8506]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  307.365168][ T8506]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  307.365170][ T8506]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  307.365173][ T8506]  vprintk_emit (kernel/printk/printk.c:2479)
[  307.365176][ T8506]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  307.365178][ T8506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  307.365180][ T8506]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  307.365184][ T8506]  _printk (kernel/printk/printk.c:2504)
[  307.365188][ T8506]  ? snapshot_read.cold (user.c:?)
[  307.365190][ T8506]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  307.365196][ T8506]  ? idr_get_free (??:?)
[  307.365200][ T8506]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  307.365210][ T8506]  ? nla_get_range_signed (lib/nlattr.c:270)
[  307.365216][ T8506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  307.365218][ T8506]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  307.365222][ T8506]  __nla_validate_parse (lib/nlattr.c:635)
[  307.365226][ T8506]  __nla_parse (lib/nlattr.c:732)
[  307.365229][ T8506]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  307.365234][ T8506]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  307.365237][ T8506]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  307.365245][ T8506]  ? security_capable (security/security.c:660 (discriminator 11))
[  307.365250][ T8506]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  307.365253][ T8506]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  307.365256][ T8506]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  307.365259][ T8506]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  307.365267][ T8506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.365273][ T8506]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  307.365276][ T8506]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  307.365278][ T8506]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  307.365282][ T8506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  307.365289][ T8506]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  307.365291][ T8506]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  307.365295][ T8506]  genl_rcv (net/netlink/genetlink.c:1218)
[  307.365297][ T8506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  307.365301][ T8506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  307.365305][ T8506]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  307.365308][ T8506]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  307.365312][ T8506]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  307.365314][ T8506]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  307.365317][ T8506]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  307.365322][ T8506]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  307.365325][ T8506]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  307.365328][ T8506]  __sys_sendto (net/socket.c:2281)
[  307.365331][ T8506]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  307.365342][ T8506]  ? fput_close_sync (fs/file_table.c:617)
[  307.365345][ T8506]  ? alloc_file_clone (fs/file_table.c:479)
[  307.365349][ T8506]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  307.365352][ T8506]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  307.365355][ T8506]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  307.365358][ T8506]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  307.365360][ T8506]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  307.365362][ T8506]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  307.365364][ T8506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  307.365367][ T8506] RIP: 0033:0x7fa50959f312
[  307.365370][ T8506] 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)
[  307.365372][ T8506] RSP: 002b:00007ffed6de0f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  307.365375][ T8506] RAX: ffffffffffffffda RBX: 00007ffed6de1058 RCX: 00007fa50959f312
[  307.365376][ T8506] RDX: 0000000000000044 RSI: 00007fa505172fb0 RDI: 0000000000000020
[  307.365377][ T8506] RBP: 00007ffed6de0f50 R08: 00007ffed6de10d0 R09: 000000000000000c
[  307.365378][ T8506] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5074060b0
[  307.365379][ T8506] R13: 00007ffed6de1058 R14: 00007fa508ebe01a R15: 00007ffed6de1448
| [  308.570409][ T8538] softirqs last disabled at (378024): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  308.570411][ T8538] Preemption disabled at:
| [  308.570412][ T8538] vprintk_emit (kernel/printk/printk.c:2471)
| [  308.570420][ T8538] Tainted: [W]=WARN
[  308.570420][ T8538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  308.570422][ T8538] Call Trace:
[  308.570424][ T8538]  <TASK>
[  308.570425][ T8538]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  308.570431][ T8538]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  308.570433][ T8538]  __might_resched.cold (kernel/sched/core.c:9234)
[  308.570437][ T8538]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  308.570441][ T8538]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  308.570446][ T8538]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  308.570447][ T8538]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  308.570454][ T8538]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  308.570457][ T8538]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  308.570460][ T8538]  put_chars (drivers/char/virtio_console.c:1176)
[  308.570463][ T8538]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  308.570466][ T8538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  308.570469][ T8538]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  308.570474][ T8538]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  308.570478][ T8538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.570480][ T8538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.570484][ T8538]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  308.570488][ T8538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.570490][ T8538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  308.570494][ T8538]  console_emit_next_record (kernel/printk/printk.c:3183)
[  308.570498][ T8538]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  308.570500][ T8538]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  308.570504][ T8538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.570506][ T8538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  308.570510][ T8538]  console_flush_one_record (kernel/printk/printk.c:3268)
[  308.570514][ T8538]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  308.570516][ T8538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.570521][ T8538]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  308.570524][ T8538]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  308.570526][ T8538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  308.570528][ T8538]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  308.570537][ T8538]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  308.570539][ T8538]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  308.570542][ T8538]  vprintk_emit (kernel/printk/printk.c:2479)
[  308.570545][ T8538]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  308.570550][ T8538]  _printk (kernel/printk/printk.c:2504)
[  308.570554][ T8538]  ? snapshot_read.cold (user.c:?)
[  308.570557][ T8538]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  308.570560][ T8538]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  308.570564][ T8538]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  308.570566][ T8538]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  308.570570][ T8538]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  308.570574][ T8538]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  308.570577][ T8538]  ? netdev_notice (net/core/dev.c:13194)
[  308.570579][ T8538]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  308.570588][ T8538]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  308.570590][ T8538]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  308.570594][ T8538]  netif_set_promiscuity (net/core/dev.c:9699)
[  308.570598][ T8538]  dev_set_promiscuity (net/core/dev_api.c:288)
[  308.570600][ T8538]  ? dev_disable_lro (net/core/dev_api.c:267)
[  308.570602][ T8538] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  308.570607][ T8538] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  308.570612][ T8538] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  308.570617][ T8538]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  308.570622][ T8538] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  308.570628][ T8538]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  308.570631][ T8538]  ? __nla_validate_parse (lib/nlattr.c:635)
[  308.570637][ T8538]  ? __nla_parse (lib/nlattr.c:732)
[  308.570640][ T8538]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  308.570645][ T8538]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  308.570648][ T8538]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  308.570657][ T8538]  ? security_capable (security/security.c:660 (discriminator 11))
[  308.570661][ T8538]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  308.570665][ T8538]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  308.570668][ T8538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  308.570670][ T8538]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  308.570674][ T8538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.570680][ T8538]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  308.570684][ T8538]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  308.570686][ T8538]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  308.570689][ T8538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  308.570697][ T8538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  308.570699][ T8538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  308.570703][ T8538]  genl_rcv (net/netlink/genetlink.c:1218)
[  308.570705][ T8538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  308.570709][ T8538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  308.570713][ T8538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  308.570717][ T8538]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  308.570721][ T8538]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  308.570723][ T8538]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  308.570726][ T8538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  308.570731][ T8538]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  308.570734][ T8538]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  308.570738][ T8538]  __sys_sendto (net/socket.c:2281)
[  308.570741][ T8538]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  308.570752][ T8538]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  308.570758][ T8538]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  308.570760][ T8538]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  308.570764][ T8538]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  308.570765][ T8538]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  308.570768][ T8538]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  308.570770][ T8538]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  308.570772][ T8538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  308.570775][ T8538] RIP: 0033:0x7fb43dda3312
[  308.570778][ T8538] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  308.570780][ T8538] RSP: 002b:00007ffca42fe268 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  308.570783][ T8538] RAX: ffffffffffffffda RBX: 00007ffca42fe398 RCX: 00007fb43dda3312
[  308.570784][ T8538] RDX: 0000000000000038 RSI: 00007fb4380223b0 RDI: 0000000000000023
[  308.570785][ T8538] RBP: 00007ffca42fe290 R08: 00007ffca42fe410 R09: 000000000000000c
[  308.570786][ T8538] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb43bc0a190
[  308.570787][ T8538] R13: 00007ffca42fe398 R14: 00007fb43d6c201a R15: 00007ffca42fe788
| [  309.640789][ T8565] softirqs last disabled at (379342): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  309.640791][ T8565] Preemption disabled at:
| [  309.640791][ T8565] vprintk_emit (kernel/printk/printk.c:2471)
| [  309.640800][ T8565] Tainted: [W]=WARN
[  309.640801][ T8565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  309.640803][ T8565] Call Trace:
[  309.640804][ T8565]  <TASK>
[  309.640806][ T8565]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  309.640812][ T8565]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  309.640814][ T8565]  __might_resched.cold (kernel/sched/core.c:9234)
[  309.640819][ T8565]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  309.640823][ T8565]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  309.640828][ T8565]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  309.640830][ T8565]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  309.640837][ T8565]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  309.640840][ T8565]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  309.640844][ T8565]  put_chars (drivers/char/virtio_console.c:1176)
[  309.640846][ T8565]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  309.640850][ T8565]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  309.640853][ T8565]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  309.640858][ T8565]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  309.640862][ T8565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.640864][ T8565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.640868][ T8565]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  309.640872][ T8565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.640875][ T8565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.640879][ T8565]  console_emit_next_record (kernel/printk/printk.c:3183)
[  309.640883][ T8565]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  309.640885][ T8565]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  309.640888][ T8565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.640890][ T8565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.640894][ T8565]  console_flush_one_record (kernel/printk/printk.c:3268)
[  309.640898][ T8565]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  309.640900][ T8565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.640906][ T8565]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  309.640909][ T8565]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  309.640911][ T8565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.640913][ T8565]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  309.640916][ T8565]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  309.640918][ T8565]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  309.640921][ T8565]  vprintk_emit (kernel/printk/printk.c:2479)
[  309.640924][ T8565]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  309.640930][ T8565]  _printk (kernel/printk/printk.c:2504)
[  309.640934][ T8565]  ? snapshot_read.cold (user.c:?)
[  309.640936][ T8565]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  309.640940][ T8565]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  309.640943][ T8565]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  309.640945][ T8565]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  309.640947][ T8565]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  309.640951][ T8565]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  309.640954][ T8565]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  309.640957][ T8565]  ? netdev_notice (net/core/dev.c:13194)
[  309.640959][ T8565]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  309.640968][ T8565]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  309.640971][ T8565]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  309.640975][ T8565]  netif_set_promiscuity (net/core/dev.c:9699)
[  309.640978][ T8565]  dev_set_promiscuity (net/core/dev_api.c:288)
[  309.640980][ T8565]  ? dev_disable_lro (net/core/dev_api.c:267)
[  309.640983][ T8565] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  309.640988][ T8565] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  309.640993][ T8565] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  309.640998][ T8565]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  309.641002][ T8565] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  309.641008][ T8565]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  309.641012][ T8565]  ? __nla_validate_parse (lib/nlattr.c:635)
[  309.641018][ T8565]  ? __nla_parse (lib/nlattr.c:732)
[  309.641020][ T8565]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  309.641025][ T8565]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  309.641029][ T8565]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  309.641037][ T8565]  ? security_capable (security/security.c:660 (discriminator 11))
[  309.641042][ T8565]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  309.641046][ T8565]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  309.641048][ T8565]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  309.641050][ T8565]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  309.641055][ T8565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.641064][ T8565]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  309.641067][ T8565]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  309.641069][ T8565]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  309.641073][ T8565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  309.641080][ T8565]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  309.641082][ T8565]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  309.641087][ T8565]  genl_rcv (net/netlink/genetlink.c:1218)
[  309.641089][ T8565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  309.641093][ T8565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  309.641097][ T8565]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  309.641101][ T8565]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  309.641106][ T8565]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  309.641107][ T8565]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  309.641111][ T8565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  309.641116][ T8565]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  309.641119][ T8565]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  309.641123][ T8565]  __sys_sendto (net/socket.c:2281)
[  309.641126][ T8565]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  309.641131][ T8565]  ? do_futex (kernel/futex/syscalls.c:138)
[  309.641135][ T8565]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  309.641142][ T8565]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  309.641146][ T8565]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  309.641148][ T8565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  309.641152][ T8565]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  309.641155][ T8565]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  309.641158][ T8565]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  309.641160][ T8565]  ? irq_exit_rcu (kernel/softirq.c:786)
[  309.641164][ T8565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  309.641166][ T8565] RIP: 0033:0x7f75f8ec7312
[  309.641170][ T8565] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  309.641172][ T8565] RSP: 002b:00007ffed2e63f18 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  309.641175][ T8565] RAX: ffffffffffffffda RBX: 00007ffed2e64048 RCX: 00007f75f8ec7312
[  309.641176][ T8565] RDX: 0000000000000034 RSI: 00007f75f41914b0 RDI: 0000000000000023
[  309.641177][ T8565] RBP: 00007ffed2e63f40 R08: 00007ffed2e640c0 R09: 000000000000000c
[  309.641178][ T8565] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f75f6d2a190
[  309.641179][ T8565] R13: 00007ffed2e64048 R14: 00007f75f87e601a R15: 00007ffed2e64438
| [  318.516399][   T12] softirqs last disabled at (8513650): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  318.516402][   T12] Preemption disabled at:
| [  318.516403][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  318.516411][   T12] Tainted: [W]=WARN
[  318.516412][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  318.516414][   T12] Workqueue: netns cleanup_net
[  318.516417][   T12] Call Trace:
[  318.516419][   T12]  <TASK>
[  318.516421][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  318.516427][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  318.516429][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  318.516434][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  318.516438][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  318.516444][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  318.516446][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  318.516453][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  318.516456][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  318.516461][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  318.516463][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  318.516467][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  318.516471][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  318.516474][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  318.516477][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  318.516482][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  318.516486][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  318.516488][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  318.516490][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  318.516495][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  318.516497][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  318.516501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.516503][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.516507][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  318.516511][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  318.516513][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  318.516517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.516519][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.516523][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  318.516528][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  318.516530][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  318.516536][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  318.516539][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  318.516541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.516543][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  318.516547][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  318.516549][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  318.516552][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  318.516555][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  318.516558][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  318.516560][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  318.516569][   T12]  _printk (kernel/printk/printk.c:2504)
[  318.516573][   T12]  ? snapshot_read.cold (user.c:?)
[  318.516578][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  318.516582][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  318.516586][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  318.516589][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  318.516591][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  318.516601][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  318.516607][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  318.516610][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  318.516614][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  318.516617][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  318.516619][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  318.516622][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  318.516630][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  318.516634][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.516637][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  318.516643][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  318.516648][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  318.516657][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  318.516660][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  318.516663][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  318.516665][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  318.516670][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  318.516674][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  318.516678][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  318.516680][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  318.516683][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  318.516688][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  318.516692][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  318.516696][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  318.516698][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  318.516701][   T12]  process_one_work (kernel/workqueue.c:3387)
[  318.516709][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  318.516712][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  318.516720][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  318.516728][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  318.516730][   T12]  kthread (kernel/kthread.c:436)
[  318.516733][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  318.516736][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  318.516740][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  318.516744][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  318.516747][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  318.516751][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  318.516754][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  319.594687][ T8765] softirqs last disabled at (384132): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  319.594689][ T8765] Preemption disabled at:
| [  319.594690][ T8765] vprintk_emit (kernel/printk/printk.c:2471)
| [  319.594702][ T8765] Tainted: [W]=WARN
[  319.594703][ T8765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  319.594705][ T8765] Call Trace:
[  319.594707][ T8765]  <TASK>
[  319.594709][ T8765]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  319.594717][ T8765]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  319.594719][ T8765]  __might_resched.cold (kernel/sched/core.c:9234)
[  319.594725][ T8765]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  319.594731][ T8765]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  319.594737][ T8765]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  319.594741][ T8765]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.594750][ T8765]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  319.594754][ T8765]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  319.594760][ T8765]  put_chars (drivers/char/virtio_console.c:1176)
[  319.594764][ T8765]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  319.594766][ T8765]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  319.594771][ T8765]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  319.594780][ T8765]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  319.594792][ T8765]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  319.594796][ T8765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.594800][ T8765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.594807][ T8765]  console_emit_next_record (kernel/printk/printk.c:3183)
[  319.594813][ T8765]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  319.594816][ T8765]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  319.594821][ T8765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.594825][ T8765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  319.594832][ T8765]  console_flush_one_record (kernel/printk/printk.c:3268)
[  319.594839][ T8765]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  319.594841][ T8765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.594851][ T8765]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  319.594855][ T8765]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  319.594858][ T8765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  319.594861][ T8765]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  319.594867][ T8765]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  319.594870][ T8765]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  319.594875][ T8765]  vprintk_emit (kernel/printk/printk.c:2479)
[  319.594881][ T8765]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  319.594885][ T8765]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  319.594889][ T8765]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  319.594901][ T8765]  _printk (kernel/printk/printk.c:2504)
[  319.594906][ T8765]  ? snapshot_read.cold (user.c:?)
[  319.594914][ T8765]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  319.594919][ T8765]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  319.594926][ T8765]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  319.594930][ T8765]  ? netdev_notice (net/core/dev.c:13194)
[  319.594933][ T8765]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  319.594939][ T8765]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  319.594949][ T8765]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  319.594953][ T8765]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  319.594958][ T8765]  netif_set_promiscuity (net/core/dev.c:9699)
[  319.594964][ T8765]  dev_set_promiscuity (net/core/dev_api.c:288)
[  319.594967][ T8765]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  319.594972][ T8765] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  319.594979][ T8765]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  319.594986][ T8765] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  319.594994][ T8765] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  319.595007][ T8765]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  319.595014][ T8765]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  319.595029][ T8765]  ? security_capable (security/security.c:660 (discriminator 11))
[  319.595036][ T8765]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  319.595043][ T8765]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  319.595047][ T8765]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  319.595051][ T8765]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  319.595063][ T8765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.595074][ T8765]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  319.595080][ T8765]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  319.595083][ T8765]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  319.595089][ T8765]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  319.595102][ T8765]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  319.595105][ T8765]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  319.595113][ T8765]  genl_rcv (net/netlink/genetlink.c:1218)
[  319.595117][ T8765]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  319.595124][ T8765]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  319.595130][ T8765]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  319.595136][ T8765]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  319.595144][ T8765]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  319.595146][ T8765]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  319.595151][ T8765]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  319.595161][ T8765]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  319.595165][ T8765]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  319.595170][ T8765]  __sys_sendto (net/socket.c:2281)
[  319.595175][ T8765]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  319.595196][ T8765]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  319.595206][ T8765]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  319.595210][ T8765]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  319.595215][ T8765]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  319.595217][ T8765]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  319.595221][ T8765]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  319.595224][ T8765]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  319.595228][ T8765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  319.595232][ T8765] RIP: 0033:0x7f257ed0a312
[  319.595236][ T8765] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  319.595239][ T8765] RSP: 002b:00007ffe0be63e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  319.595243][ T8765] RAX: ffffffffffffffda RBX: 00007ffe0be63f78 RCX: 00007f257ed0a312
[  319.595245][ T8765] RDX: 0000000000000024 RSI: 00007f257c169c20 RDI: 0000000000000023
[  319.595247][ T8765] RBP: 00007ffe0be63e70 R08: 00007ffe0be63ff0 R09: 000000000000000c
[  319.595249][ T8765] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f257cb6dfd0
[  319.595250][ T8765] R13: 00007ffe0be63f78 R14: 00007f257e62901a R15: 00007ffe0be64368
| [  321.281841][ T8791] softirqs last disabled at (384370): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  321.281844][ T8791] Preemption disabled at:
| [  321.281844][ T8791] vprintk_emit (kernel/printk/printk.c:2471)
| [  321.281853][ T8791] Tainted: [W]=WARN
[  321.281854][ T8791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  321.281855][ T8791] Call Trace:
[  321.281857][ T8791]  <TASK>
[  321.281858][ T8791]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  321.281864][ T8791]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  321.281866][ T8791]  __might_resched.cold (kernel/sched/core.c:9234)
[  321.281871][ T8791]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  321.281875][ T8791]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  321.281880][ T8791]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  321.281882][ T8791]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  321.281888][ T8791]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  321.281891][ T8791]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  321.281895][ T8791]  put_chars (drivers/char/virtio_console.c:1176)
[  321.281898][ T8791]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  321.281899][ T8791]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  321.281903][ T8791]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  321.281909][ T8791]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  321.281916][ T8791]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  321.281919][ T8791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.281922][ T8791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.281926][ T8791]  console_emit_next_record (kernel/printk/printk.c:3183)
[  321.281930][ T8791]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  321.281932][ T8791]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  321.281935][ T8791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.281937][ T8791]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  321.281941][ T8791]  console_flush_one_record (kernel/printk/printk.c:3268)
[  321.281946][ T8791]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  321.281948][ T8791]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.281954][ T8791]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  321.281957][ T8791]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  321.281959][ T8791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.281960][ T8791]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  321.281964][ T8791]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  321.281966][ T8791]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  321.281969][ T8791]  vprintk_emit (kernel/printk/printk.c:2479)
[  321.281973][ T8791]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  321.281975][ T8791]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  321.281977][ T8791]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  321.281982][ T8791]  _printk (kernel/printk/printk.c:2504)
[  321.281986][ T8791]  ? snapshot_read.cold (user.c:?)
[  321.281991][ T8791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  321.281992][ T8791]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  321.281996][ T8791]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  321.282000][ T8791]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  321.282003][ T8791]  ? netdev_notice (net/core/dev.c:13194)
[  321.282004][ T8791]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  321.282010][ T8791]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  321.282016][ T8791]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  321.282019][ T8791]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  321.282023][ T8791]  netif_set_promiscuity (net/core/dev.c:9699)
[  321.282027][ T8791]  dev_set_promiscuity (net/core/dev_api.c:288)
[  321.282031][ T8791] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  321.282036][ T8791] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  321.282043][ T8791] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  321.282048][ T8791]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  321.282052][ T8791]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  321.282064][ T8791]  ? security_capable (security/security.c:660 (discriminator 11))
[  321.282069][ T8791]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  321.282073][ T8791]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  321.282075][ T8791]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  321.282078][ T8791]  ? __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
[  321.282082][ T8791]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.282088][ T8791]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  321.282091][ T8791]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  321.282094][ T8791]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  321.282097][ T8791]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  321.282105][ T8791]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  321.282107][ T8791]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  321.282111][ T8791]  genl_rcv (net/netlink/genetlink.c:1218)
[  321.282113][ T8791]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  321.282118][ T8791]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  321.282122][ T8791]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  321.282125][ T8791]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  321.282129][ T8791]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  321.282131][ T8791]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  321.282134][ T8791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  321.282140][ T8791]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  321.282142][ T8791]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  321.282146][ T8791]  __sys_sendto (net/socket.c:2281)
[  321.282149][ T8791]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  321.282160][ T8791]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  321.282166][ T8791]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  321.282168][ T8791]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  321.282172][ T8791]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  321.282174][ T8791]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  321.282176][ T8791]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  321.282178][ T8791]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  321.282181][ T8791]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  321.282183][ T8791] RIP: 0033:0x7f921a466312
[  321.282187][ T8791] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  321.282189][ T8791] RSP: 002b:00007ffff542ca38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  321.282192][ T8791] RAX: ffffffffffffffda RBX: 00007ffff542cb68 RCX: 00007f921a466312
[  321.282193][ T8791] RDX: 0000000000000024 RSI: 00007f9215fe6eb0 RDI: 0000000000000020
[  321.282194][ T8791] RBP: 00007ffff542ca60 R08: 00007ffff542cbe0 R09: 000000000000000c
[  321.282195][ T8791] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92182c9e10
[  321.282196][ T8791] R13: 00007ffff542cb68 R14: 00007f9219d8501a R15: 00007ffff542cf58
| [  324.470406][ T8886] softirqs last disabled at (400688): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  324.470409][ T8886] Preemption disabled at:
| [  324.470410][ T8886] vprintk_emit (kernel/printk/printk.c:2471)
| [  324.470419][ T8886] Tainted: [W]=WARN
[  324.470420][ T8886] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  324.470421][ T8886] Call Trace:
[  324.470422][ T8886]  <TASK>
[  324.470424][ T8886]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  324.470430][ T8886]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  324.470432][ T8886]  __might_resched.cold (kernel/sched/core.c:9234)
[  324.470437][ T8886]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  324.470441][ T8886]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  324.470445][ T8886]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  324.470448][ T8886]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.470454][ T8886]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  324.470457][ T8886]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  324.470461][ T8886]  put_chars (drivers/char/virtio_console.c:1176)
[  324.470463][ T8886]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  324.470466][ T8886]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  324.470469][ T8886]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.470472][ T8886]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  324.470476][ T8886]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  324.470480][ T8886]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  324.470482][ T8886]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.470484][ T8886]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.470488][ T8886]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  324.470490][ T8886]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  324.470495][ T8886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.470499][ T8886]  console_emit_next_record (kernel/printk/printk.c:3183)
[  324.470503][ T8886]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  324.470505][ T8886]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  324.470508][ T8886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.470510][ T8886]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  324.470514][ T8886]  console_flush_one_record (kernel/printk/printk.c:3268)
[  324.470519][ T8886]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  324.470521][ T8886]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.470526][ T8886]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  324.470530][ T8886]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  324.470531][ T8886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.470533][ T8886]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  324.470537][ T8886]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  324.470539][ T8886]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  324.470542][ T8886]  vprintk_emit (kernel/printk/printk.c:2479)
[  324.470545][ T8886]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  324.470547][ T8886]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.470549][ T8886]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  324.470554][ T8886]  _printk (kernel/printk/printk.c:2504)
[  324.470558][ T8886]  ? snapshot_read.cold (user.c:?)
[  324.470559][ T8886]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  324.470565][ T8886]  ? idr_get_free (??:?)
[  324.470570][ T8886]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  324.470579][ T8886]  ? nla_get_range_signed (lib/nlattr.c:270)
[  324.470585][ T8886]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  324.470587][ T8886]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  324.470591][ T8886]  __nla_validate_parse (lib/nlattr.c:635)
[  324.470596][ T8886]  __nla_parse (lib/nlattr.c:732)
[  324.470599][ T8886]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  324.470604][ T8886]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  324.470607][ T8886]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  324.470616][ T8886]  ? security_capable (security/security.c:660 (discriminator 11))
[  324.470620][ T8886]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  324.470624][ T8886]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  324.470627][ T8886]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  324.470635][ T8886]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  324.470644][ T8886]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.470650][ T8886]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  324.470653][ T8886]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  324.470656][ T8886]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  324.470659][ T8886]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  324.470666][ T8886]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  324.470669][ T8886]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  324.470673][ T8886]  genl_rcv (net/netlink/genetlink.c:1218)
[  324.470675][ T8886]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  324.470679][ T8886]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  324.470683][ T8886]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  324.470686][ T8886]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  324.470690][ T8886]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  324.470692][ T8886]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  324.470695][ T8886]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  324.470700][ T8886]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  324.470703][ T8886]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  324.470707][ T8886]  __sys_sendto (net/socket.c:2281)
[  324.470710][ T8886]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  324.470721][ T8886]  ? fput_close_sync (fs/file_table.c:617)
[  324.470724][ T8886]  ? alloc_file_clone (fs/file_table.c:479)
[  324.470728][ T8886]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  324.470731][ T8886]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  324.470735][ T8886]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  324.470737][ T8886]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  324.470740][ T8886]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  324.470742][ T8886]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  324.470745][ T8886]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  324.470747][ T8886] RIP: 0033:0x7f8146359312
[  324.470751][ T8886] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  324.470753][ T8886] RSP: 002b:00007fff87babbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  324.470756][ T8886] RAX: ffffffffffffffda RBX: 00007fff87babd28 RCX: 00007f8146359312
[  324.470757][ T8886] RDX: 0000000000000044 RSI: 00007f8141f168d0 RDI: 0000000000000020
[  324.470759][ T8886] RBP: 00007fff87babc20 R08: 00007fff87babda0 R09: 000000000000000c
[  324.470760][ T8886] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81441b60b0
[  324.470761][ T8886] R13: 00007fff87babd28 R14: 00007f8145c7801a R15: 00007fff87bac118
| [  325.683894][ T8918] softirqs last disabled at (389734): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  325.683897][ T8918] Preemption disabled at:
| [  325.683897][ T8918] vprintk_emit (kernel/printk/printk.c:2471)
| [  325.683907][ T8918] Tainted: [W]=WARN
[  325.683908][ T8918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  325.683909][ T8918] Call Trace:
[  325.683911][ T8918]  <TASK>
[  325.683913][ T8918]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  325.683919][ T8918]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  325.683921][ T8918]  __might_resched.cold (kernel/sched/core.c:9234)
[  325.683926][ T8918]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  325.683930][ T8918]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  325.683935][ T8918]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  325.683937][ T8918]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  325.683944][ T8918]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  325.683947][ T8918]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  325.683951][ T8918]  put_chars (drivers/char/virtio_console.c:1176)
[  325.683954][ T8918]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  325.683958][ T8918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  325.683961][ T8918]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  325.683966][ T8918]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  325.683970][ T8918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.683972][ T8918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.683977][ T8918]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  325.683981][ T8918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.683983][ T8918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.683988][ T8918]  console_emit_next_record (kernel/printk/printk.c:3183)
[  325.683992][ T8918]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  325.683994][ T8918]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  325.683998][ T8918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.684000][ T8918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  325.684004][ T8918]  console_flush_one_record (kernel/printk/printk.c:3268)
[  325.684009][ T8918]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  325.684011][ T8918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.684017][ T8918]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  325.684020][ T8918]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  325.684022][ T8918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  325.684024][ T8918]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  325.684028][ T8918]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  325.684030][ T8918]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  325.684033][ T8918]  vprintk_emit (kernel/printk/printk.c:2479)
[  325.684037][ T8918]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  325.684042][ T8918]  _printk (kernel/printk/printk.c:2504)
[  325.684046][ T8918]  ? snapshot_read.cold (user.c:?)
[  325.684049][ T8918]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  325.684053][ T8918]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  325.684060][ T8918]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  325.684062][ T8918]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  325.684066][ T8918]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  325.684070][ T8918]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  325.684073][ T8918]  ? netdev_notice (net/core/dev.c:13194)
[  325.684075][ T8918]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  325.684085][ T8918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  325.684088][ T8918]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  325.684092][ T8918]  netif_set_promiscuity (net/core/dev.c:9699)
[  325.684096][ T8918]  dev_set_promiscuity (net/core/dev_api.c:288)
[  325.684098][ T8918]  ? dev_disable_lro (net/core/dev_api.c:267)
[  325.684100][ T8918] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  325.684106][ T8918] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  325.684111][ T8918] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  325.684116][ T8918]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  325.684121][ T8918] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  325.684127][ T8918]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  325.684131][ T8918]  ? __nla_validate_parse (lib/nlattr.c:635)
[  325.684138][ T8918]  ? __nla_parse (lib/nlattr.c:732)
[  325.684141][ T8918]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  325.684146][ T8918]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  325.684150][ T8918]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  325.684158][ T8918]  ? security_capable (security/security.c:660 (discriminator 11))
[  325.684163][ T8918]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  325.684168][ T8918]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  325.684170][ T8918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  325.684173][ T8918]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  325.684177][ T8918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.684183][ T8918]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  325.684187][ T8918]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  325.684189][ T8918]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  325.684193][ T8918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  325.684201][ T8918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  325.684203][ T8918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  325.684208][ T8918]  genl_rcv (net/netlink/genetlink.c:1218)
[  325.684210][ T8918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  325.684215][ T8918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  325.684217][ T8918]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  325.684222][ T8918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  325.684226][ T8918]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  325.684230][ T8918]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  325.684232][ T8918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  325.684235][ T8918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  325.684241][ T8918]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  325.684244][ T8918]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  325.684248][ T8918]  __sys_sendto (net/socket.c:2281)
[  325.684251][ T8918]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  325.684263][ T8918]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  325.684269][ T8918]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  325.684271][ T8918]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  325.684275][ T8918]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  325.684277][ T8918]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  325.684280][ T8918]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  325.684282][ T8918]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  325.684284][ T8918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  325.684287][ T8918] RIP: 0033:0x7ff03d30f312
[  325.684291][ T8918] 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)
[  325.684293][ T8918] RSP: 002b:00007fff2ae03198 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  325.684296][ T8918] RAX: ffffffffffffffda RBX: 00007fff2ae032c8 RCX: 00007ff03d30f312
[  325.684297][ T8918] RDX: 0000000000000038 RSI: 00007ff038f59830 RDI: 0000000000000023
[  325.684298][ T8918] RBP: 00007fff2ae031c0 R08: 00007fff2ae03340 R09: 000000000000000c
[  325.684299][ T8918] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff03b176190
[  325.684300][ T8918] R13: 00007fff2ae032c8 R14: 00007ff03cc2e01a R15: 00007fff2ae036b8
| [  326.736178][ T8945] softirqs last disabled at (399848): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  326.736180][ T8945] Preemption disabled at:
| [  326.736181][ T8945] vprintk_emit (kernel/printk/printk.c:2471)
| [  326.736190][ T8945] Tainted: [W]=WARN
[  326.736191][ T8945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  326.736192][ T8945] Call Trace:
[  326.736194][ T8945]  <TASK>
[  326.736195][ T8945]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  326.736203][ T8945]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  326.736206][ T8945]  __might_resched.cold (kernel/sched/core.c:9234)
[  326.736212][ T8945]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  326.736218][ T8945]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  326.736223][ T8945]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  326.736225][ T8945]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  326.736232][ T8945]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  326.736234][ T8945]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  326.736239][ T8945]  put_chars (drivers/char/virtio_console.c:1176)
[  326.736241][ T8945]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  326.736245][ T8945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  326.736248][ T8945]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  326.736253][ T8945]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  326.736257][ T8945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.736259][ T8945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.736264][ T8945]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  326.736268][ T8945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.736270][ T8945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.736275][ T8945]  console_emit_next_record (kernel/printk/printk.c:3183)
[  326.736279][ T8945]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  326.736281][ T8945]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  326.736285][ T8945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.736286][ T8945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.736291][ T8945]  console_flush_one_record (kernel/printk/printk.c:3268)
[  326.736296][ T8945]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  326.736298][ T8945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.736303][ T8945]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  326.736306][ T8945]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  326.736309][ T8945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.736310][ T8945]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  326.736315][ T8945]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  326.736316][ T8945]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  326.736319][ T8945]  vprintk_emit (kernel/printk/printk.c:2479)
[  326.736323][ T8945]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  326.736328][ T8945]  _printk (kernel/printk/printk.c:2504)
[  326.736332][ T8945]  ? snapshot_read.cold (user.c:?)
[  326.736335][ T8945]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  326.736339][ T8945]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  326.736342][ T8945]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  326.736344][ T8945]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  326.736346][ T8945]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  326.736350][ T8945]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  326.736354][ T8945]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  326.736357][ T8945]  ? netdev_notice (net/core/dev.c:13194)
[  326.736359][ T8945]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  326.736368][ T8945]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  326.736371][ T8945]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  326.736375][ T8945]  netif_set_promiscuity (net/core/dev.c:9699)
[  326.736379][ T8945]  dev_set_promiscuity (net/core/dev_api.c:288)
[  326.736381][ T8945]  ? dev_disable_lro (net/core/dev_api.c:267)
[  326.736383][ T8945] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  326.736389][ T8945] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  326.736394][ T8945] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  326.736399][ T8945]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  326.736404][ T8945] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  326.736410][ T8945]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  326.736414][ T8945]  ? __nla_validate_parse (lib/nlattr.c:635)
[  326.736420][ T8945]  ? __nla_parse (lib/nlattr.c:732)
[  326.736423][ T8945]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  326.736428][ T8945]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  326.736432][ T8945]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  326.736441][ T8945]  ? security_capable (security/security.c:660 (discriminator 11))
[  326.736446][ T8945]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  326.736449][ T8945]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  326.736452][ T8945]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  326.736454][ T8945]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  326.736459][ T8945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.736465][ T8945]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  326.736469][ T8945]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  326.736471][ T8945]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  326.736475][ T8945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  326.736482][ T8945]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  326.736484][ T8945]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  326.736489][ T8945]  genl_rcv (net/netlink/genetlink.c:1218)
[  326.736491][ T8945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  326.736495][ T8945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  326.736499][ T8945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  326.736503][ T8945]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  326.736508][ T8945]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  326.736510][ T8945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  326.736513][ T8945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  326.736518][ T8945]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  326.736521][ T8945]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  326.736525][ T8945]  __sys_sendto (net/socket.c:2281)
[  326.736529][ T8945]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  326.736534][ T8945]  ? do_futex (kernel/futex/syscalls.c:138)
[  326.736538][ T8945]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  326.736545][ T8945]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  326.736549][ T8945]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  326.736553][ T8945]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  326.736555][ T8945]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  326.736559][ T8945]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  326.736561][ T8945]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  326.736564][ T8945]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  326.736566][ T8945]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  326.736568][ T8945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  326.736571][ T8945] RIP: 0033:0x7f3a60510312
[  326.736574][ T8945] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  326.736576][ T8945] RSP: 002b:00007fff08f59608 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  326.736579][ T8945] RAX: ffffffffffffffda RBX: 00007fff08f59738 RCX: 00007f3a60510312
[  326.736581][ T8945] RDX: 0000000000000034 RSI: 00007f3a4df5d9f0 RDI: 0000000000000023
[  326.736582][ T8945] RBP: 00007fff08f59630 R08: 00007fff08f597b0 R09: 000000000000000c
[  326.736583][ T8945] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a5e37e190
[  326.736584][ T8945] R13: 00007fff08f59738 R14: 00007f3a5fe2f01a R15: 00007fff08f59b28
| [  335.701071][   T12] softirqs last disabled at (8721570): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  335.701073][   T12] Preemption disabled at:
| [  335.701074][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  335.701083][   T12] Tainted: [W]=WARN
[  335.701084][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  335.701086][   T12] Workqueue: netns cleanup_net
[  335.701090][   T12] Call Trace:
[  335.701091][   T12]  <TASK>
[  335.701093][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  335.701099][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  335.701101][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  335.701106][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  335.701110][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  335.701115][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  335.701117][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  335.701123][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  335.701126][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  335.701130][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  335.701131][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  335.701134][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  335.701137][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  335.701140][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  335.701143][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  335.701147][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  335.701151][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  335.701153][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  335.701155][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  335.701159][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  335.701162][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  335.701165][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.701167][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.701171][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  335.701175][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  335.701177][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  335.701181][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.701183][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.701187][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  335.701191][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  335.701193][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  335.701199][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  335.701202][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  335.701204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.701205][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  335.701209][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  335.701211][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  335.701214][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  335.701217][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  335.701220][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  335.701222][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  335.701232][   T12]  _printk (kernel/printk/printk.c:2504)
[  335.701235][   T12]  ? snapshot_read.cold (user.c:?)
[  335.701240][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  335.701244][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  335.701248][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  335.701251][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  335.701253][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  335.701257][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  335.701262][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  335.701265][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  335.701269][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  335.701273][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  335.701275][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  335.701278][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  335.701285][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  335.701290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.701292][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  335.701298][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  335.701303][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  335.701311][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  335.701314][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  335.701317][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  335.701319][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  335.701324][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  335.701328][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  335.701332][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  335.701333][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  335.701337][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  335.701342][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  335.701345][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  335.701349][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.701351][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.701354][   T12]  process_one_work (kernel/workqueue.c:3387)
[  335.701361][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  335.701364][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  335.701372][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  335.701379][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  335.701381][   T12]  kthread (kernel/kthread.c:436)
[  335.701383][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  335.701387][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  335.701390][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  335.701394][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  335.701397][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  335.701401][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  335.701404][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  338.189533][ T9172] softirqs last disabled at (405382): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  338.189535][ T9172] Preemption disabled at:
| [  338.189536][ T9172] vprintk_emit (kernel/printk/printk.c:2471)
| [  338.189545][ T9172] Tainted: [W]=WARN
[  338.189546][ T9172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  338.189548][ T9172] Call Trace:
[  338.189549][ T9172]  <TASK>
[  338.189551][ T9172]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  338.189557][ T9172]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  338.189559][ T9172]  __might_resched.cold (kernel/sched/core.c:9234)
[  338.189564][ T9172]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  338.189568][ T9172]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  338.189573][ T9172]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  338.189575][ T9172]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.189582][ T9172]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  338.189584][ T9172]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.189588][ T9172]  put_chars (drivers/char/virtio_console.c:1176)
[  338.189591][ T9172]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  338.189592][ T9172]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  338.189596][ T9172]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  338.189602][ T9172]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  338.189609][ T9172]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  338.189612][ T9172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.189614][ T9172]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.189619][ T9172]  console_emit_next_record (kernel/printk/printk.c:3183)
[  338.189623][ T9172]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  338.189625][ T9172]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  338.189628][ T9172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.189630][ T9172]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.189634][ T9172]  console_flush_one_record (kernel/printk/printk.c:3268)
[  338.189639][ T9172]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  338.189641][ T9172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.189647][ T9172]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  338.189650][ T9172]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  338.189652][ T9172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.189654][ T9172]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  338.189658][ T9172]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  338.189659][ T9172]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  338.189662][ T9172]  vprintk_emit (kernel/printk/printk.c:2479)
[  338.189666][ T9172]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  338.189668][ T9172]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  338.189670][ T9172]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  338.189675][ T9172]  _printk (kernel/printk/printk.c:2504)
[  338.189679][ T9172]  ? snapshot_read.cold (user.c:?)
[  338.189683][ T9172]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.189684][ T9172]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  338.189688][ T9172]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  338.189692][ T9172]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  338.189695][ T9172]  ? netdev_notice (net/core/dev.c:13194)
[  338.189697][ T9172]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  338.189703][ T9172]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  338.189709][ T9172]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  338.189711][ T9172]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  338.189722][ T9172]  netif_set_promiscuity (net/core/dev.c:9699)
[  338.189726][ T9172]  dev_set_promiscuity (net/core/dev_api.c:288)
[  338.189730][ T9172] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  338.189735][ T9172] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  338.189741][ T9172] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  338.189747][ T9172]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  338.189750][ T9172]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  338.189759][ T9172]  ? security_capable (security/security.c:660 (discriminator 11))
[  338.189763][ T9172]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  338.189767][ T9172]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  338.189770][ T9172]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  338.189772][ T9172]  ? __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
[  338.189777][ T9172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.189782][ T9172]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  338.189786][ T9172]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  338.189788][ T9172]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  338.189792][ T9172]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  338.189799][ T9172]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  338.189801][ T9172]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  338.189805][ T9172]  genl_rcv (net/netlink/genetlink.c:1218)
[  338.189808][ T9172]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  338.189812][ T9172]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  338.189816][ T9172]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  338.189819][ T9172]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  338.189824][ T9172]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  338.189825][ T9172]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  338.189829][ T9172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  338.189834][ T9172]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  338.189836][ T9172]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  338.189840][ T9172]  __sys_sendto (net/socket.c:2281)
[  338.189844][ T9172]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  338.189849][ T9172]  ? do_futex (kernel/futex/syscalls.c:133)
[  338.189852][ T9172]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  338.189859][ T9172]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  338.189863][ T9172]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  338.189866][ T9172]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.189869][ T9172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  338.189872][ T9172]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  338.189874][ T9172]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  338.189876][ T9172]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  338.189879][ T9172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  338.189881][ T9172] RIP: 0033:0x7f8b041f9312
[  338.189885][ T9172] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  338.189887][ T9172] RSP: 002b:00007ffe3b4239c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  338.189889][ T9172] RAX: ffffffffffffffda RBX: 00007ffe3b423af8 RCX: 00007f8b041f9312
[  338.189891][ T9172] RDX: 0000000000000024 RSI: 00007f8b0056d650 RDI: 0000000000000020
[  338.189892][ T9172] RBP: 00007ffe3b4239f0 R08: 00007ffe3b423b70 R09: 000000000000000c
[  338.189892][ T9172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8b02055e10
[  338.189893][ T9172] R13: 00007ffe3b423af8 R14: 00007f8b03b1801a R15: 00007ffe3b423ee8
| [  341.568387][ T9280] softirqs last disabled at (393884): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  341.568389][ T9280] Preemption disabled at:
| [  341.568390][ T9280] vprintk_emit (kernel/printk/printk.c:2471)
| [  341.568399][ T9280] Tainted: [W]=WARN
[  341.568400][ T9280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  341.568402][ T9280] Call Trace:
[  341.568404][ T9280]  <TASK>
[  341.568405][ T9280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  341.568412][ T9280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  341.568414][ T9280]  __might_resched.cold (kernel/sched/core.c:9234)
[  341.568419][ T9280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  341.568423][ T9280]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  341.568428][ T9280]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  341.568430][ T9280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  341.568437][ T9280]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  341.568440][ T9280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  341.568444][ T9280]  put_chars (drivers/char/virtio_console.c:1176)
[  341.568446][ T9280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  341.568449][ T9280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  341.568452][ T9280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  341.568456][ T9280]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  341.568460][ T9280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  341.568464][ T9280]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  341.568466][ T9280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.568468][ T9280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.568473][ T9280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  341.568475][ T9280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  341.568479][ T9280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  341.568484][ T9280]  console_emit_next_record (kernel/printk/printk.c:3183)
[  341.568488][ T9280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  341.568490][ T9280]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  341.568493][ T9280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.568496][ T9280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  341.568500][ T9280]  console_flush_one_record (kernel/printk/printk.c:3268)
[  341.568504][ T9280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  341.568506][ T9280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.568512][ T9280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  341.568515][ T9280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  341.568517][ T9280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.568519][ T9280]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  341.568523][ T9280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  341.568524][ T9280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  341.568527][ T9280]  vprintk_emit (kernel/printk/printk.c:2479)
[  341.568531][ T9280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  341.568533][ T9280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  341.568535][ T9280]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  341.568540][ T9280]  _printk (kernel/printk/printk.c:2504)
[  341.568543][ T9280]  ? snapshot_read.cold (user.c:?)
[  341.568545][ T9280]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  341.568552][ T9280]  ? idr_get_free (??:?)
[  341.568556][ T9280]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  341.568566][ T9280]  ? nla_get_range_signed (lib/nlattr.c:270)
[  341.568572][ T9280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  341.568574][ T9280]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  341.568578][ T9280]  __nla_validate_parse (lib/nlattr.c:635)
[  341.568583][ T9280]  __nla_parse (lib/nlattr.c:732)
[  341.568586][ T9280]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  341.568591][ T9280]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  341.568595][ T9280]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  341.568603][ T9280]  ? security_capable (security/security.c:660 (discriminator 11))
[  341.568608][ T9280]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  341.568612][ T9280]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  341.568614][ T9280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  341.568617][ T9280]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  341.568626][ T9280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.568632][ T9280]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  341.568636][ T9280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  341.568638][ T9280]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  341.568642][ T9280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  341.568649][ T9280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  341.568651][ T9280]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  341.568655][ T9280]  genl_rcv (net/netlink/genetlink.c:1218)
[  341.568658][ T9280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  341.568662][ T9280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  341.568666][ T9280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  341.568670][ T9280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  341.568674][ T9280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  341.568676][ T9280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  341.568679][ T9280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  341.568684][ T9280]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  341.568687][ T9280]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  341.568691][ T9280]  __sys_sendto (net/socket.c:2281)
[  341.568694][ T9280]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  341.568705][ T9280]  ? fput_close_sync (fs/file_table.c:617)
[  341.568709][ T9280]  ? alloc_file_clone (fs/file_table.c:479)
[  341.568713][ T9280]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  341.568716][ T9280]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  341.568719][ T9280]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  341.568722][ T9280]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  341.568724][ T9280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  341.568727][ T9280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  341.568729][ T9280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  341.568739][ T9280] RIP: 0033:0x7fda8c363312
[  341.568744][ T9280] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  341.568747][ T9280] RSP: 002b:00007fff5b8ee028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  341.568751][ T9280] RAX: ffffffffffffffda RBX: 00007fff5b8ee158 RCX: 00007fda8c363312
[  341.568753][ T9280] RDX: 0000000000000044 RSI: 00007fda8a09b230 RDI: 0000000000000020
[  341.568755][ T9280] RBP: 00007fff5b8ee050 R08: 00007fff5b8ee1d0 R09: 000000000000000c
[  341.568757][ T9280] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda8a1c60b0
[  341.568758][ T9280] R13: 00007fff5b8ee158 R14: 00007fda8bc8201a R15: 00007fff5b8ee548
| [  342.840591][ T9312] softirqs last disabled at (387508): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  342.840593][ T9312] Preemption disabled at:
| [  342.840594][ T9312] vprintk_emit (kernel/printk/printk.c:2471)
| [  342.840604][ T9312] Tainted: [W]=WARN
[  342.840605][ T9312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  342.840607][ T9312] Call Trace:
[  342.840609][ T9312]  <TASK>
[  342.840610][ T9312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  342.840617][ T9312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  342.840618][ T9312]  __might_resched.cold (kernel/sched/core.c:9234)
[  342.840623][ T9312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  342.840627][ T9312]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  342.840632][ T9312]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  342.840634][ T9312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  342.840642][ T9312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  342.840645][ T9312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  342.840649][ T9312]  put_chars (drivers/char/virtio_console.c:1176)
[  342.840652][ T9312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  342.840655][ T9312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  342.840658][ T9312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  342.840663][ T9312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  342.840667][ T9312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.840669][ T9312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.840674][ T9312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  342.840678][ T9312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.840680][ T9312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.840687][ T9312]  console_emit_next_record (kernel/printk/printk.c:3183)
[  342.840692][ T9312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  342.840694][ T9312]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  342.840697][ T9312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.840699][ T9312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  342.840704][ T9312]  console_flush_one_record (kernel/printk/printk.c:3268)
[  342.840708][ T9312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  342.840710][ T9312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.840716][ T9312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  342.840719][ T9312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  342.840721][ T9312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  342.840723][ T9312]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  342.840727][ T9312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  342.840729][ T9312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  342.840731][ T9312]  vprintk_emit (kernel/printk/printk.c:2479)
[  342.840735][ T9312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  342.840748][ T9312]  _printk (kernel/printk/printk.c:2504)
[  342.840752][ T9312]  ? snapshot_read.cold (user.c:?)
[  342.840755][ T9312]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  342.840758][ T9312]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  342.840762][ T9312]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  342.840764][ T9312]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  342.840767][ T9312]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  342.840772][ T9312]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  342.840774][ T9312]  ? netdev_notice (net/core/dev.c:13194)
[  342.840776][ T9312]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  342.840788][ T9312]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  342.840793][ T9312]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  342.840797][ T9312]  netif_set_promiscuity (net/core/dev.c:9699)
[  342.840801][ T9312]  dev_set_promiscuity (net/core/dev_api.c:288)
[  342.840803][ T9312]  ? dev_disable_lro (net/core/dev_api.c:267)
[  342.840805][ T9312] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  342.840811][ T9312] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  342.840816][ T9312] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  342.840820][ T9312]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  342.840825][ T9312] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  342.840831][ T9312]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  342.840835][ T9312]  ? __nla_validate_parse (lib/nlattr.c:635)
[  342.840844][ T9312]  ? __nla_parse (lib/nlattr.c:732)
[  342.840847][ T9312]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  342.840852][ T9312]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  342.840856][ T9312]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  342.840864][ T9312]  ? security_capable (security/security.c:660 (discriminator 11))
[  342.840869][ T9312]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  342.840873][ T9312]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  342.840876][ T9312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  342.840878][ T9312]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  342.840884][ T9312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.840892][ T9312]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  342.840895][ T9312]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  342.840898][ T9312]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  342.840901][ T9312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  342.840909][ T9312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  342.840911][ T9312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  342.840915][ T9312]  genl_rcv (net/netlink/genetlink.c:1218)
[  342.840918][ T9312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  342.840922][ T9312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  342.840926][ T9312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  342.840930][ T9312]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  342.840936][ T9312]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  342.840939][ T9312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  342.840942][ T9312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  342.840947][ T9312]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  342.840950][ T9312]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  342.840955][ T9312]  __sys_sendto (net/socket.c:2281)
[  342.840958][ T9312]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  342.840969][ T9312]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  342.840978][ T9312]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  342.840981][ T9312]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  342.840985][ T9312]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  342.840987][ T9312]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  342.840990][ T9312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  342.840992][ T9312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  342.840995][ T9312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  342.840997][ T9312] RIP: 0033:0x7ffbb6405312
[  342.841001][ T9312] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  342.841002][ T9312] RSP: 002b:00007ffecc5cf068 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  342.841005][ T9312] RAX: ffffffffffffffda RBX: 00007ffecc5cf198 RCX: 00007ffbb6405312
[  342.841007][ T9312] RDX: 0000000000000038 RSI: 00007ffbb20294f0 RDI: 0000000000000023
[  342.841008][ T9312] RBP: 00007ffecc5cf090 R08: 00007ffecc5cf210 R09: 000000000000000c
[  342.841008][ T9312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffbb4262190
[  342.841009][ T9312] R13: 00007ffecc5cf198 R14: 00007ffbb5d2401a R15: 00007ffecc5cf588
| [  343.954511][ T9339] softirqs last disabled at (384314): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  343.954513][ T9339] Preemption disabled at:
| [  343.954514][ T9339] vprintk_emit (kernel/printk/printk.c:2471)
| [  343.954523][ T9339] Tainted: [W]=WARN
[  343.954524][ T9339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  343.954525][ T9339] Call Trace:
[  343.954527][ T9339]  <TASK>
[  343.954529][ T9339]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  343.954535][ T9339]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  343.954537][ T9339]  __might_resched.cold (kernel/sched/core.c:9234)
[  343.954542][ T9339]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  343.954546][ T9339]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  343.954551][ T9339]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  343.954553][ T9339]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  343.954560][ T9339]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  343.954563][ T9339]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  343.954567][ T9339]  put_chars (drivers/char/virtio_console.c:1176)
[  343.954570][ T9339]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  343.954573][ T9339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  343.954577][ T9339]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  343.954582][ T9339]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  343.954586][ T9339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.954588][ T9339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.954593][ T9339]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  343.954598][ T9339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.954600][ T9339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.954605][ T9339]  console_emit_next_record (kernel/printk/printk.c:3183)
[  343.954609][ T9339]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  343.954611][ T9339]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  343.954615][ T9339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.954617][ T9339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.954621][ T9339]  console_flush_one_record (kernel/printk/printk.c:3268)
[  343.954626][ T9339]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  343.954628][ T9339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.954634][ T9339]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  343.954637][ T9339]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  343.954639][ T9339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.954641][ T9339]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  343.954645][ T9339]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  343.954647][ T9339]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  343.954650][ T9339]  vprintk_emit (kernel/printk/printk.c:2479)
[  343.954654][ T9339]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  343.954660][ T9339]  _printk (kernel/printk/printk.c:2504)
[  343.954664][ T9339]  ? snapshot_read.cold (user.c:?)
[  343.954667][ T9339]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  343.954670][ T9339]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  343.954674][ T9339]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  343.954676][ T9339]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  343.954678][ T9339]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  343.954682][ T9339]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  343.954687][ T9339]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  343.954690][ T9339]  ? netdev_notice (net/core/dev.c:13194)
[  343.954692][ T9339]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  343.954702][ T9339]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  343.954704][ T9339]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  343.954708][ T9339]  netif_set_promiscuity (net/core/dev.c:9699)
[  343.954712][ T9339]  dev_set_promiscuity (net/core/dev_api.c:288)
[  343.954714][ T9339]  ? dev_disable_lro (net/core/dev_api.c:267)
[  343.954717][ T9339] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  343.954723][ T9339] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  343.954728][ T9339] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  343.954733][ T9339]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  343.954738][ T9339] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  343.954744][ T9339]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  343.954755][ T9339]  ? __nla_validate_parse (lib/nlattr.c:635)
[  343.954762][ T9339]  ? __nla_parse (lib/nlattr.c:732)
[  343.954765][ T9339]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  343.954770][ T9339]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  343.954774][ T9339]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  343.954784][ T9339]  ? security_capable (security/security.c:660 (discriminator 11))
[  343.954789][ T9339]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  343.954793][ T9339]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  343.954796][ T9339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  343.954798][ T9339]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  343.954803][ T9339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.954809][ T9339]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  343.954813][ T9339]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  343.954815][ T9339]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  343.954819][ T9339]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  343.954827][ T9339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  343.954829][ T9339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  343.954836][ T9339]  genl_rcv (net/netlink/genetlink.c:1218)
[  343.954838][ T9339]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  343.954843][ T9339]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  343.954847][ T9339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  343.954851][ T9339]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  343.954855][ T9339]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  343.954857][ T9339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  343.954860][ T9339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  343.954866][ T9339]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  343.954869][ T9339]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  343.954873][ T9339]  __sys_sendto (net/socket.c:2281)
[  343.954877][ T9339]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  343.954889][ T9339]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  343.954895][ T9339]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  343.954898][ T9339]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  343.954902][ T9339]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  343.954903][ T9339]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  343.954906][ T9339]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  343.954909][ T9339]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  343.954911][ T9339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  343.954914][ T9339] RIP: 0033:0x7f66c138a312
[  343.954918][ T9339] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  343.954920][ T9339] RSP: 002b:00007ffd7232c678 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  343.954923][ T9339] RAX: ffffffffffffffda RBX: 00007ffd7232c7a8 RCX: 00007f66c138a312
[  343.954924][ T9339] RDX: 0000000000000034 RSI: 00007f66bc637db0 RDI: 0000000000000023
[  343.954925][ T9339] RBP: 00007ffd7232c6a0 R08: 00007ffd7232c820 R09: 000000000000000c
[  343.954926][ T9339] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f66bf1ee190
[  343.954927][ T9339] R13: 00007ffd7232c7a8 R14: 00007f66c0ca901a R15: 00007ffd7232cb98
| [  352.952592][   T12] softirqs last disabled at (8931684): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  352.952595][   T12] Preemption disabled at:
| [  352.952596][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  352.952605][   T12] Tainted: [W]=WARN
[  352.952606][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  352.952608][   T12] Workqueue: netns cleanup_net
[  352.952611][   T12] Call Trace:
[  352.952613][   T12]  <TASK>
[  352.952615][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  352.952621][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  352.952623][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  352.952628][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.952631][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  352.952636][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  352.952638][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.952645][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  352.952648][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.952652][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  352.952654][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  352.952656][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  352.952660][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  352.952663][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  352.952666][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  352.952670][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  352.952674][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  352.952676][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.952678][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.952682][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  352.952685][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  352.952689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.952691][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.952695][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  352.952699][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  352.952701][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  352.952705][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.952707][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.952711][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  352.952715][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  352.952717][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  352.952725][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  352.952730][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  352.952732][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.952734][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  352.952738][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  352.952740][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  352.952743][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  352.952746][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  352.952749][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  352.952751][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  352.952760][   T12]  _printk (kernel/printk/printk.c:2504)
[  352.952764][   T12]  ? snapshot_read.cold (user.c:?)
[  352.952769][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  352.952773][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  352.952777][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  352.952780][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  352.952781][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  352.952786][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  352.952791][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  352.952794][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  352.952798][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  352.952807][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  352.952809][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  352.952812][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  352.952820][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  352.952824][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.952827][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  352.952835][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  352.952840][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  352.952848][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  352.952851][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  352.952854][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.952857][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  352.952862][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  352.952866][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  352.952870][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  352.952871][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  352.952875][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  352.952882][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  352.952887][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  352.952892][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.952894][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.952897][   T12]  process_one_work (kernel/workqueue.c:3387)
[  352.952904][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  352.952908][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.952916][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  352.952923][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  352.952926][   T12]  kthread (kernel/kthread.c:436)
[  352.952928][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  352.952932][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  352.952935][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  352.952939][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  352.952943][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  352.952947][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  352.952950][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  353.967892][ T9541] softirqs last disabled at (394742): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  353.967894][ T9541] Preemption disabled at:
| [  353.967894][ T9541] vprintk_emit (kernel/printk/printk.c:2471)
| [  353.967904][ T9541] Tainted: [W]=WARN
[  353.967905][ T9541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  353.967906][ T9541] Call Trace:
[  353.967908][ T9541]  <TASK>
[  353.967910][ T9541]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  353.967916][ T9541]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  353.967918][ T9541]  __might_resched.cold (kernel/sched/core.c:9234)
[  353.967924][ T9541]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  353.967930][ T9541]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  353.967935][ T9541]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  353.967937][ T9541]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  353.967944][ T9541]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  353.967947][ T9541]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  353.967951][ T9541]  put_chars (drivers/char/virtio_console.c:1176)
[  353.967953][ T9541]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  353.967955][ T9541]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  353.967958][ T9541]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  353.967965][ T9541]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  353.967973][ T9541]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  353.967976][ T9541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  353.967978][ T9541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  353.967983][ T9541]  console_emit_next_record (kernel/printk/printk.c:3183)
[  353.967987][ T9541]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  353.967989][ T9541]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  353.967993][ T9541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  353.967995][ T9541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  353.967999][ T9541]  console_flush_one_record (kernel/printk/printk.c:3268)
[  353.968003][ T9541]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  353.968005][ T9541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.968011][ T9541]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  353.968014][ T9541]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  353.968016][ T9541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  353.968019][ T9541]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  353.968023][ T9541]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  353.968025][ T9541]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  353.968027][ T9541]  vprintk_emit (kernel/printk/printk.c:2479)
[  353.968031][ T9541]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  353.968034][ T9541]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  353.968037][ T9541]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  353.968045][ T9541]  _printk (kernel/printk/printk.c:2504)
[  353.968050][ T9541]  ? snapshot_read.cold (user.c:?)
[  353.968060][ T9541]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  353.968064][ T9541]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  353.968069][ T9541]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  353.968072][ T9541]  ? netdev_notice (net/core/dev.c:13194)
[  353.968074][ T9541]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  353.968078][ T9541]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  353.968084][ T9541]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  353.968087][ T9541]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  353.968091][ T9541]  netif_set_promiscuity (net/core/dev.c:9699)
[  353.968095][ T9541]  dev_set_promiscuity (net/core/dev_api.c:288)
[  353.968097][ T9541]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  353.968101][ T9541] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  353.968105][ T9541]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  353.968109][ T9541] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  353.968114][ T9541] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  353.968122][ T9541]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  353.968126][ T9541]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  353.968135][ T9541]  ? security_capable (security/security.c:660 (discriminator 11))
[  353.968140][ T9541]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  353.968144][ T9541]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  353.968146][ T9541]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  353.968150][ T9541]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  353.968154][ T9541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.968160][ T9541]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  353.968164][ T9541]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  353.968166][ T9541]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  353.968170][ T9541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  353.968177][ T9541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  353.968180][ T9541]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  353.968184][ T9541]  genl_rcv (net/netlink/genetlink.c:1218)
[  353.968186][ T9541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  353.968191][ T9541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  353.968195][ T9541]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  353.968199][ T9541]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  353.968203][ T9541]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  353.968205][ T9541]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  353.968208][ T9541]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  353.968213][ T9541]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  353.968216][ T9541]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  353.968221][ T9541]  __sys_sendto (net/socket.c:2281)
[  353.968224][ T9541]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  353.968235][ T9541]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  353.968242][ T9541]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  353.968244][ T9541]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  353.968248][ T9541]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  353.968250][ T9541]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  353.968253][ T9541]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  353.968255][ T9541]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  353.968258][ T9541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  353.968260][ T9541] RIP: 0033:0x7f1be199f312
[  353.968263][ T9541] 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)
[  353.968265][ T9541] RSP: 002b:00007ffcdd0fb6f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  353.968268][ T9541] RAX: ffffffffffffffda RBX: 00007ffcdd0fb828 RCX: 00007f1be199f312
[  353.968270][ T9541] RDX: 0000000000000024 RSI: 00007f1bdddceb20 RDI: 0000000000000023
[  353.968271][ T9541] RBP: 00007ffcdd0fb720 R08: 00007ffcdd0fb8a0 R09: 000000000000000c
[  353.968272][ T9541] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1bdf801fd0
[  353.968272][ T9541] R13: 00007ffcdd0fb828 R14: 00007f1be12be01a R15: 00007ffcdd0fbc18
| [  355.628473][ T9567] softirqs last disabled at (387050): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  355.628476][ T9567] Preemption disabled at:
| [  355.628477][ T9567] vprintk_emit (kernel/printk/printk.c:2471)
| [  355.628486][ T9567] Tainted: [W]=WARN
[  355.628487][ T9567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  355.628489][ T9567] Call Trace:
[  355.628490][ T9567]  <TASK>
[  355.628492][ T9567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  355.628498][ T9567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  355.628500][ T9567]  __might_resched.cold (kernel/sched/core.c:9234)
[  355.628505][ T9567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  355.628509][ T9567]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  355.628514][ T9567]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  355.628516][ T9567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  355.628523][ T9567]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  355.628526][ T9567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  355.628530][ T9567]  put_chars (drivers/char/virtio_console.c:1176)
[  355.628532][ T9567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  355.628534][ T9567]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  355.628537][ T9567]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  355.628543][ T9567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  355.628552][ T9567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  355.628555][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.628557][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  355.628561][ T9567]  console_emit_next_record (kernel/printk/printk.c:3183)
[  355.628566][ T9567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  355.628568][ T9567]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  355.628572][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.628574][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  355.628578][ T9567]  console_flush_one_record (kernel/printk/printk.c:3268)
[  355.628583][ T9567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  355.628585][ T9567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  355.628590][ T9567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  355.628593][ T9567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  355.628596][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.628597][ T9567]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  355.628601][ T9567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  355.628603][ T9567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  355.628606][ T9567]  vprintk_emit (kernel/printk/printk.c:2479)
[  355.628610][ T9567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  355.628612][ T9567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  355.628615][ T9567]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  355.628620][ T9567]  _printk (kernel/printk/printk.c:2504)
[  355.628623][ T9567]  ? snapshot_read.cold (user.c:?)
[  355.628628][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  355.628629][ T9567]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  355.628633][ T9567]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  355.628637][ T9567]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  355.628640][ T9567]  ? netdev_notice (net/core/dev.c:13194)
[  355.628642][ T9567]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  355.628648][ T9567]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  355.628655][ T9567]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  355.628658][ T9567]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  355.628662][ T9567]  netif_set_promiscuity (net/core/dev.c:9699)
[  355.628667][ T9567]  dev_set_promiscuity (net/core/dev_api.c:288)
[  355.628670][ T9567] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  355.628676][ T9567] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  355.628683][ T9567] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  355.628688][ T9567]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  355.628692][ T9567]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  355.628701][ T9567]  ? security_capable (security/security.c:660 (discriminator 11))
[  355.628706][ T9567]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  355.628710][ T9567]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  355.628713][ T9567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  355.628715][ T9567]  ? __dp_destroy (./include/linux/list.h:242 (discriminator 2) ./include/linux/list.h:264 (discriminator 2) ./include/linux/rculist.h:178 (discriminator 2) net/openvswitch/datapath.c:1964 (discriminator 2)) openvswitch
[  355.628719][ T9567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  355.628725][ T9567]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  355.628729][ T9567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  355.628731][ T9567]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  355.628735][ T9567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  355.628743][ T9567]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  355.628745][ T9567]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  355.628749][ T9567]  genl_rcv (net/netlink/genetlink.c:1218)
[  355.628752][ T9567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  355.628756][ T9567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  355.628760][ T9567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  355.628764][ T9567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  355.628768][ T9567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  355.628770][ T9567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  355.628773][ T9567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  355.628778][ T9567]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  355.628781][ T9567]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  355.628785][ T9567]  __sys_sendto (net/socket.c:2281)
[  355.628788][ T9567]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  355.628794][ T9567]  ? do_futex (kernel/futex/syscalls.c:138)
[  355.628797][ T9567]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  355.628805][ T9567]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  355.628809][ T9567]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  355.628811][ T9567]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  355.628815][ T9567]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  355.628825][ T9567]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  355.628829][ T9567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  355.628832][ T9567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  355.628836][ T9567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  355.628839][ T9567] RIP: 0033:0x7f867a15c312
[  355.628844][ T9567] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  355.628846][ T9567] RSP: 002b:00007fffc5822ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  355.628850][ T9567] RAX: ffffffffffffffda RBX: 00007fffc5822e18 RCX: 00007f867a15c312
[  355.628852][ T9567] RDX: 0000000000000024 RSI: 00007f8675ce59b0 RDI: 0000000000000020
[  355.628853][ T9567] RBP: 00007fffc5822d10 R08: 00007fffc5822e90 R09: 000000000000000c
[  355.628854][ T9567] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8677fc9e10
[  355.628855][ T9567] R13: 00007fffc5822e18 R14: 00007f8679a7b01a R15: 00007fffc5823208
| [  359.002263][ T9662] softirqs last disabled at (385954): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  359.002266][ T9662] Preemption disabled at:
| [  359.002266][ T9662] vprintk_emit (kernel/printk/printk.c:2471)
| [  359.002276][ T9662] Tainted: [W]=WARN
[  359.002277][ T9662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  359.002278][ T9662] Call Trace:
[  359.002280][ T9662]  <TASK>
[  359.002281][ T9662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  359.002288][ T9662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  359.002289][ T9662]  __might_resched.cold (kernel/sched/core.c:9234)
[  359.002294][ T9662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  359.002298][ T9662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  359.002303][ T9662]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  359.002305][ T9662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.002312][ T9662]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  359.002315][ T9662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.002319][ T9662]  put_chars (drivers/char/virtio_console.c:1176)
[  359.002322][ T9662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  359.002325][ T9662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  359.002328][ T9662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  359.002331][ T9662]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  359.002336][ T9662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  359.002340][ T9662]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  359.002342][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.002344][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.002349][ T9662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  359.002350][ T9662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  359.002355][ T9662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.002360][ T9662]  console_emit_next_record (kernel/printk/printk.c:3183)
[  359.002364][ T9662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  359.002366][ T9662]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  359.002369][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.002371][ T9662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.002375][ T9662]  console_flush_one_record (kernel/printk/printk.c:3268)
[  359.002380][ T9662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  359.002382][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.002388][ T9662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  359.002391][ T9662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  359.002393][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.002395][ T9662]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  359.002399][ T9662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  359.002400][ T9662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  359.002403][ T9662]  vprintk_emit (kernel/printk/printk.c:2479)
[  359.002407][ T9662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  359.002409][ T9662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.002411][ T9662]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  359.002416][ T9662]  _printk (kernel/printk/printk.c:2504)
[  359.002420][ T9662]  ? snapshot_read.cold (user.c:?)
[  359.002422][ T9662]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  359.002428][ T9662]  ? idr_get_free (??:?)
[  359.002433][ T9662]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  359.002442][ T9662]  ? nla_get_range_signed (lib/nlattr.c:270)
[  359.002448][ T9662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.002450][ T9662]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  359.002455][ T9662]  __nla_validate_parse (lib/nlattr.c:635)
[  359.002460][ T9662]  __nla_parse (lib/nlattr.c:732)
[  359.002462][ T9662]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  359.002468][ T9662]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  359.002471][ T9662]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  359.002480][ T9662]  ? security_capable (security/security.c:660 (discriminator 11))
[  359.002485][ T9662]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  359.002489][ T9662]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  359.002491][ T9662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  359.002494][ T9662]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  359.002502][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.002508][ T9662]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  359.002512][ T9662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  359.002514][ T9662]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  359.002518][ T9662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  359.002526][ T9662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  359.002528][ T9662]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  359.002532][ T9662]  genl_rcv (net/netlink/genetlink.c:1218)
[  359.002535][ T9662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  359.002539][ T9662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  359.002543][ T9662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  359.002546][ T9662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  359.002551][ T9662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  359.002553][ T9662]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  359.002556][ T9662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.002561][ T9662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  359.002564][ T9662]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  359.002568][ T9662]  __sys_sendto (net/socket.c:2281)
[  359.002571][ T9662]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  359.002577][ T9662]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  359.002586][ T9662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  359.002590][ T9662]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  359.002592][ T9662]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  359.002596][ T9662]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  359.002599][ T9662]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  359.002602][ T9662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  359.002604][ T9662]  ? irq_exit_rcu (kernel/softirq.c:786)
[  359.002608][ T9662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  359.002611][ T9662] RIP: 0033:0x7f64ad50d312
[  359.002614][ T9662] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  359.002616][ T9662] RSP: 002b:00007ffed67a0bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  359.002619][ T9662] RAX: ffffffffffffffda RBX: 00007ffed67a0d08 RCX: 00007f64ad50d312
[  359.002620][ T9662] RDX: 0000000000000044 RSI: 00007f64a90cf190 RDI: 0000000000000020
[  359.002621][ T9662] RBP: 00007ffed67a0c00 R08: 00007ffed67a0d80 R09: 000000000000000c
[  359.002622][ T9662] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f64ab36a0b0
[  359.002623][ T9662] R13: 00007ffed67a0d08 R14: 00007f64ace2c01a R15: 00007ffed67a10f8
| [  360.234508][ T9695] softirqs last disabled at (373484): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  360.234511][ T9695] Preemption disabled at:
| [  360.234513][ T9695] vprintk_emit (kernel/printk/printk.c:2471)
| [  360.234524][ T9695] Tainted: [W]=WARN
[  360.234526][ T9695] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  360.234528][ T9695] Call Trace:
[  360.234530][ T9695]  <TASK>
[  360.234533][ T9695]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  360.234541][ T9695]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  360.234543][ T9695]  __might_resched.cold (kernel/sched/core.c:9234)
[  360.234550][ T9695]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  360.234556][ T9695]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  360.234563][ T9695]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  360.234566][ T9695]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  360.234576][ T9695]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  360.234580][ T9695]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  360.234586][ T9695]  put_chars (drivers/char/virtio_console.c:1176)
[  360.234590][ T9695]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  360.234596][ T9695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  360.234601][ T9695]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  360.234608][ T9695]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  360.234614][ T9695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.234617][ T9695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.234625][ T9695]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  360.234631][ T9695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.234635][ T9695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  360.234643][ T9695]  console_emit_next_record (kernel/printk/printk.c:3183)
[  360.234649][ T9695]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  360.234652][ T9695]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  360.234658][ T9695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.234661][ T9695]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  360.234668][ T9695]  console_flush_one_record (kernel/printk/printk.c:3268)
[  360.234675][ T9695]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  360.234679][ T9695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.234688][ T9695]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  360.234693][ T9695]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  360.234696][ T9695]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  360.234699][ T9695]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  360.234706][ T9695]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  360.234709][ T9695]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  360.234714][ T9695]  vprintk_emit (kernel/printk/printk.c:2479)
[  360.234720][ T9695]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  360.234730][ T9695]  _printk (kernel/printk/printk.c:2504)
[  360.234735][ T9695]  ? snapshot_read.cold (user.c:?)
[  360.234740][ T9695]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  360.234744][ T9695]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  360.234750][ T9695]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  360.234753][ T9695]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  360.234758][ T9695]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  360.234765][ T9695]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  360.234770][ T9695]  ? netdev_notice (net/core/dev.c:13194)
[  360.234773][ T9695]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  360.234790][ T9695]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  360.234794][ T9695]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  360.234801][ T9695]  netif_set_promiscuity (net/core/dev.c:9699)
[  360.234807][ T9695]  dev_set_promiscuity (net/core/dev_api.c:288)
[  360.234810][ T9695]  ? dev_disable_lro (net/core/dev_api.c:267)
[  360.234814][ T9695] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  360.234823][ T9695] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  360.234833][ T9695] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  360.234840][ T9695]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  360.234853][ T9695] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  360.234864][ T9695]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  360.234871][ T9695]  ? __nla_validate_parse (lib/nlattr.c:635)
[  360.234880][ T9695]  ? __nla_parse (lib/nlattr.c:732)
[  360.234884][ T9695]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  360.234893][ T9695]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  360.234899][ T9695]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  360.234915][ T9695]  ? security_capable (security/security.c:660 (discriminator 11))
[  360.234922][ T9695]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  360.234929][ T9695]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  360.234933][ T9695]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  360.234936][ T9695]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  360.234945][ T9695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.234955][ T9695]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  360.234961][ T9695]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  360.234964][ T9695]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  360.234970][ T9695]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  360.234983][ T9695]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  360.234986][ T9695]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  360.234994][ T9695]  genl_rcv (net/netlink/genetlink.c:1218)
[  360.234998][ T9695]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  360.235005][ T9695]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  360.235011][ T9695]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  360.235018][ T9695]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  360.235025][ T9695]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  360.235028][ T9695]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  360.235033][ T9695]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  360.235042][ T9695]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  360.235046][ T9695]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  360.235051][ T9695]  __sys_sendto (net/socket.c:2281)
[  360.235060][ T9695]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  360.235080][ T9695]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  360.235091][ T9695]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  360.235094][ T9695]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  360.235100][ T9695]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  360.235102][ T9695]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  360.235106][ T9695]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  360.235109][ T9695]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  360.235113][ T9695]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  360.235117][ T9695] RIP: 0033:0x7f6c7beb8312
[  360.235122][ T9695] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  360.235125][ T9695] RSP: 002b:00007ffec5a7dbc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  360.235129][ T9695] RAX: ffffffffffffffda RBX: 00007ffec5a7dcf8 RCX: 00007f6c7beb8312
[  360.235131][ T9695] RDX: 0000000000000038 RSI: 00007f6c78142270 RDI: 0000000000000023
[  360.235132][ T9695] RBP: 00007ffec5a7dbf0 R08: 00007ffec5a7dd70 R09: 000000000000000c
[  360.235134][ T9695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c79d22190
[  360.235136][ T9695] R13: 00007ffec5a7dcf8 R14: 00007f6c7b7d701a R15: 00007ffec5a7e0e8
| [  361.404561][ T9722] softirqs last disabled at (384928): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  361.404563][ T9722] Preemption disabled at:
| [  361.404564][ T9722] vprintk_emit (kernel/printk/printk.c:2471)
| [  361.404575][ T9722] Tainted: [W]=WARN
[  361.404576][ T9722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  361.404578][ T9722] Call Trace:
[  361.404580][ T9722]  <TASK>
[  361.404582][ T9722]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  361.404589][ T9722]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  361.404591][ T9722]  __might_resched.cold (kernel/sched/core.c:9234)
[  361.404596][ T9722]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  361.404601][ T9722]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  361.404607][ T9722]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  361.404609][ T9722]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  361.404617][ T9722]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  361.404621][ T9722]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  361.404625][ T9722]  put_chars (drivers/char/virtio_console.c:1176)
[  361.404629][ T9722]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  361.404633][ T9722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  361.404636][ T9722]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  361.404642][ T9722]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  361.404647][ T9722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  361.404649][ T9722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  361.404654][ T9722]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  361.404659][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.404661][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.404667][ T9722]  console_emit_next_record (kernel/printk/printk.c:3183)
[  361.404671][ T9722]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  361.404674][ T9722]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  361.404678][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.404680][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  361.404684][ T9722]  console_flush_one_record (kernel/printk/printk.c:3268)
[  361.404689][ T9722]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  361.404692][ T9722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  361.404698][ T9722]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  361.404701][ T9722]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  361.404703][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  361.404706][ T9722]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  361.404711][ T9722]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  361.404713][ T9722]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  361.404717][ T9722]  vprintk_emit (kernel/printk/printk.c:2479)
[  361.404721][ T9722]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  361.404728][ T9722]  _printk (kernel/printk/printk.c:2504)
[  361.404732][ T9722]  ? snapshot_read.cold (user.c:?)
[  361.404736][ T9722]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  361.404739][ T9722]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  361.404743][ T9722]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  361.404746][ T9722]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  361.404748][ T9722]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  361.404752][ T9722]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  361.404757][ T9722]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  361.404760][ T9722]  ? netdev_notice (net/core/dev.c:13194)
[  361.404762][ T9722]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  361.404773][ T9722]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  361.404776][ T9722]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  361.404781][ T9722]  netif_set_promiscuity (net/core/dev.c:9699)
[  361.404785][ T9722]  dev_set_promiscuity (net/core/dev_api.c:288)
[  361.404787][ T9722]  ? dev_disable_lro (net/core/dev_api.c:267)
[  361.404790][ T9722] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  361.404796][ T9722] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  361.404802][ T9722] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  361.404807][ T9722]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  361.404812][ T9722] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  361.404820][ T9722]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  361.404824][ T9722]  ? __nla_validate_parse (lib/nlattr.c:635)
[  361.404831][ T9722]  ? __nla_parse (lib/nlattr.c:732)
[  361.404833][ T9722]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  361.404839][ T9722]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  361.404844][ T9722]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  361.404859][ T9722]  ? security_capable (security/security.c:660 (discriminator 11))
[  361.404864][ T9722]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  361.404869][ T9722]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  361.404873][ T9722]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  361.404876][ T9722]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  361.404881][ T9722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  361.404889][ T9722]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  361.404894][ T9722]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  361.404896][ T9722]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  361.404901][ T9722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  361.404910][ T9722]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  361.404913][ T9722]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  361.404918][ T9722]  genl_rcv (net/netlink/genetlink.c:1218)
[  361.404921][ T9722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  361.404927][ T9722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  361.404931][ T9722]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  361.404935][ T9722]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  361.404940][ T9722]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  361.404943][ T9722]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  361.404946][ T9722]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  361.404952][ T9722]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  361.404956][ T9722]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  361.404960][ T9722]  __sys_sendto (net/socket.c:2281)
[  361.404963][ T9722]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  361.404970][ T9722]  ? do_futex (kernel/futex/syscalls.c:138)
[  361.404974][ T9722]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  361.404981][ T9722]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  361.404985][ T9722]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  361.404990][ T9722]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  361.404993][ T9722]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  361.404997][ T9722]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  361.404999][ T9722]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  361.405002][ T9722]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  361.405004][ T9722]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  361.405008][ T9722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  361.405010][ T9722] RIP: 0033:0x7f0faea5f312
[  361.405015][ T9722] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  361.405017][ T9722] RSP: 002b:00007ffef1e27b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  361.405020][ T9722] RAX: ffffffffffffffda RBX: 00007ffef1e27c88 RCX: 00007f0faea5f312
[  361.405022][ T9722] RDX: 0000000000000034 RSI: 00007f0fa851ccf0 RDI: 0000000000000023
[  361.405023][ T9722] RBP: 00007ffef1e27b80 R08: 00007ffef1e27d00 R09: 000000000000000c
[  361.405024][ T9722] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0fac8c2190
[  361.405025][ T9722] R13: 00007ffef1e27c88 R14: 00007f0fae37e01a R15: 00007ffef1e28078
| [  370.981250][   T12] softirqs last disabled at (9167150): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  370.981253][   T12] Preemption disabled at:
| [  370.981253][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  370.981263][   T12] Tainted: [W]=WARN
[  370.981264][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  370.981266][   T12] Workqueue: netns cleanup_net
[  370.981269][   T12] Call Trace:
[  370.981271][   T12]  <TASK>
[  370.981274][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  370.981280][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  370.981283][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  370.981287][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  370.981292][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  370.981296][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  370.981299][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  370.981306][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  370.981309][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  370.981313][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  370.981315][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  370.981318][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  370.981322][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  370.981325][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  370.981329][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  370.981333][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  370.981339][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  370.981343][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.981346][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.981351][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  370.981354][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  370.981358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.981360][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.981365][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  370.981370][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  370.981373][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  370.981377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.981379][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.981384][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  370.981389][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  370.981392][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  370.981398][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  370.981402][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  370.981404][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.981406][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  370.981411][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  370.981413][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  370.981416][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  370.981420][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  370.981423][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  370.981426][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  370.981435][   T12]  _printk (kernel/printk/printk.c:2504)
[  370.981439][   T12]  ? snapshot_read.cold (user.c:?)
[  370.981445][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  370.981449][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  370.981453][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  370.981457][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  370.981458][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  370.981463][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  370.981469][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  370.981472][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  370.981476][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  370.981481][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  370.981483][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  370.981488][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  370.981495][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  370.981500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.981503][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  370.981509][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  370.981515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  370.981524][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  370.981527][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  370.981530][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  370.981533][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  370.981539][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  370.981543][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  370.981549][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  370.981552][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  370.981558][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  370.981564][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  370.981568][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  370.981573][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  370.981575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  370.981579][   T12]  process_one_work (kernel/workqueue.c:3387)
[  370.981587][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  370.981590][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  370.981599][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  370.981608][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  370.981611][   T12]  kthread (kernel/kthread.c:436)
[  370.981613][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  370.981617][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  370.981621][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  370.981626][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  370.981630][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  370.981634][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  370.981637][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  372.150152][ T9923] softirqs last disabled at (402150): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  372.150155][ T9923] Preemption disabled at:
| [  372.150156][ T9923] vprintk_emit (kernel/printk/printk.c:2471)
| [  372.150168][ T9923] Tainted: [W]=WARN
[  372.150170][ T9923] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  372.150172][ T9923] Call Trace:
[  372.150174][ T9923]  <TASK>
[  372.150177][ T9923]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  372.150185][ T9923]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  372.150188][ T9923]  __might_resched.cold (kernel/sched/core.c:9234)
[  372.150194][ T9923]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  372.150200][ T9923]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  372.150207][ T9923]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  372.150211][ T9923]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  372.150222][ T9923]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  372.150226][ T9923]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  372.150232][ T9923]  put_chars (drivers/char/virtio_console.c:1176)
[  372.150237][ T9923]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  372.150239][ T9923]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  372.150245][ T9923]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  372.150257][ T9923]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  372.150270][ T9923]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  372.150275][ T9923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.150279][ T9923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.150286][ T9923]  console_emit_next_record (kernel/printk/printk.c:3183)
[  372.150294][ T9923]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  372.150297][ T9923]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  372.150304][ T9923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.150307][ T9923]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  372.150315][ T9923]  console_flush_one_record (kernel/printk/printk.c:3268)
[  372.150323][ T9923]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  372.150326][ T9923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.150337][ T9923]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  372.150342][ T9923]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  372.150345][ T9923]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  372.150348][ T9923]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  372.150355][ T9923]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  372.150358][ T9923]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  372.150364][ T9923]  vprintk_emit (kernel/printk/printk.c:2479)
[  372.150370][ T9923]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  372.150375][ T9923]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  372.150379][ T9923]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  372.150392][ T9923]  _printk (kernel/printk/printk.c:2504)
[  372.150397][ T9923]  ? snapshot_read.cold (user.c:?)
[  372.150406][ T9923]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  372.150412][ T9923]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  372.150419][ T9923]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  372.150424][ T9923]  ? netdev_notice (net/core/dev.c:13194)
[  372.150426][ T9923]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  372.150434][ T9923]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  372.150444][ T9923]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  372.150449][ T9923]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  372.150455][ T9923]  netif_set_promiscuity (net/core/dev.c:9699)
[  372.150461][ T9923]  dev_set_promiscuity (net/core/dev_api.c:288)
[  372.150464][ T9923]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  372.150471][ T9923] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  372.150479][ T9923]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  372.150487][ T9923] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  372.150495][ T9923] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  372.150510][ T9923]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  372.150516][ T9923]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  372.150533][ T9923]  ? security_capable (security/security.c:660 (discriminator 11))
[  372.150540][ T9923]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  372.150547][ T9923]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  372.150551][ T9923]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  372.150556][ T9923]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  372.150565][ T9923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.150576][ T9923]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  372.150582][ T9923]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  372.150585][ T9923]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  372.150591][ T9923]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  372.150606][ T9923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  372.150610][ T9923]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  372.150618][ T9923]  genl_rcv (net/netlink/genetlink.c:1218)
[  372.150621][ T9923]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  372.150629][ T9923]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  372.150636][ T9923]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  372.150643][ T9923]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  372.150651][ T9923]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  372.150654][ T9923]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  372.150659][ T9923]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  372.150669][ T9923]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  372.150674][ T9923]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  372.150680][ T9923]  __sys_sendto (net/socket.c:2281)
[  372.150685][ T9923]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  372.150707][ T9923]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  372.150717][ T9923]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  372.150721][ T9923]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  372.150726][ T9923]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  372.150729][ T9923]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  372.150733][ T9923]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  372.150737][ T9923]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  372.150741][ T9923]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  372.150745][ T9923] RIP: 0033:0x7f6d2ff3d312
[  372.150749][ T9923] 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)
[  372.150752][ T9923] RSP: 002b:00007fff52a9cf98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  372.150756][ T9923] RAX: ffffffffffffffda RBX: 00007fff52a9d0c8 RCX: 00007f6d2ff3d312
[  372.150758][ T9923] RDX: 0000000000000024 RSI: 00007f6d2c395320 RDI: 0000000000000023
[  372.150760][ T9923] RBP: 00007fff52a9cfc0 R08: 00007fff52a9d140 R09: 000000000000000c
[  372.150762][ T9923] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d2dd99fd0
[  372.150763][ T9923] R13: 00007fff52a9d0c8 R14: 00007f6d2f85c01a R15: 00007fff52a9d4b8
| [  373.956414][ T9949] softirqs last disabled at (398524): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  373.956417][ T9949] Preemption disabled at:
| [  373.956418][ T9949] vprintk_emit (kernel/printk/printk.c:2471)
| [  373.956429][ T9949] Tainted: [W]=WARN
[  373.956431][ T9949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.956433][ T9949] Call Trace:
[  373.956435][ T9949]  <TASK>
[  373.956438][ T9949]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  373.956444][ T9949]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  373.956446][ T9949]  __might_resched.cold (kernel/sched/core.c:9234)
[  373.956451][ T9949]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  373.956455][ T9949]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  373.956461][ T9949]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  373.956464][ T9949]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.956471][ T9949]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  373.956474][ T9949]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.956478][ T9949]  put_chars (drivers/char/virtio_console.c:1176)
[  373.956481][ T9949]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  373.956483][ T9949]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  373.956488][ T9949]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  373.956498][ T9949]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  373.956508][ T9949]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  373.956511][ T9949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.956513][ T9949]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.956518][ T9949]  console_emit_next_record (kernel/printk/printk.c:3183)
[  373.956523][ T9949]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  373.956525][ T9949]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  373.956529][ T9949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.956531][ T9949]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.956535][ T9949]  console_flush_one_record (kernel/printk/printk.c:3268)
[  373.956540][ T9949]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  373.956542][ T9949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.956548][ T9949]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  373.956552][ T9949]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  373.956555][ T9949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.956559][ T9949]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  373.956566][ T9949]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  373.956568][ T9949]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  373.956571][ T9949]  vprintk_emit (kernel/printk/printk.c:2479)
[  373.956575][ T9949]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  373.956577][ T9949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  373.956580][ T9949]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  373.956584][ T9949]  _printk (kernel/printk/printk.c:2504)
[  373.956588][ T9949]  ? snapshot_read.cold (user.c:?)
[  373.956593][ T9949]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.956594][ T9949]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  373.956599][ T9949]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  373.956603][ T9949]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  373.956607][ T9949]  ? netdev_notice (net/core/dev.c:13194)
[  373.956609][ T9949]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  373.956620][ T9949]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  373.956627][ T9949]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  373.956630][ T9949]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  373.956633][ T9949]  netif_set_promiscuity (net/core/dev.c:9699)
[  373.956638][ T9949]  dev_set_promiscuity (net/core/dev_api.c:288)
[  373.956642][ T9949] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  373.956647][ T9949] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  373.956655][ T9949] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  373.956661][ T9949]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  373.956665][ T9949]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  373.956677][ T9949]  ? security_capable (security/security.c:660 (discriminator 11))
[  373.956682][ T9949]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  373.956687][ T9949]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  373.956690][ T9949]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  373.956692][ T9949]  ? __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
[  373.956697][ T9949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.956703][ T9949]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  373.956707][ T9949]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  373.956709][ T9949]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  373.956713][ T9949]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  373.956721][ T9949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  373.956724][ T9949]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  373.956728][ T9949]  genl_rcv (net/netlink/genetlink.c:1218)
[  373.956731][ T9949]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  373.956735][ T9949]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  373.956742][ T9949]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  373.956747][ T9949]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  373.956751][ T9949]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  373.956753][ T9949]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  373.956756][ T9949]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  373.956762][ T9949]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  373.956765][ T9949]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  373.956769][ T9949]  __sys_sendto (net/socket.c:2281)
[  373.956772][ T9949]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  373.956783][ T9949]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  373.956789][ T9949]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  373.956792][ T9949]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.956797][ T9949]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  373.956800][ T9949]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  373.956803][ T9949]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  373.956806][ T9949]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  373.956809][ T9949]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  373.956811][ T9949] RIP: 0033:0x7f41bcb65312
[  373.956815][ T9949] 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)
[  373.956817][ T9949] RSP: 002b:00007ffdf2eb6208 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  373.956820][ T9949] RAX: ffffffffffffffda RBX: 00007ffdf2eb6338 RCX: 00007f41bcb65312
[  373.956821][ T9949] RDX: 0000000000000024 RSI: 00007f41b86d44e0 RDI: 0000000000000020
[  373.956822][ T9949] RBP: 00007ffdf2eb6230 R08: 00007ffdf2eb63b0 R09: 000000000000000c
[  373.956823][ T9949] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41ba9c1e10
[  373.956824][ T9949] R13: 00007ffdf2eb6338 R14: 00007f41bc48401a R15: 00007ffdf2eb6728
| [  377.914436][T10056] softirqs last disabled at (407580): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  377.914438][T10056] Preemption disabled at:
| [  377.914439][T10056] vprintk_emit (kernel/printk/printk.c:2471)
| [  377.914448][T10056] Tainted: [W]=WARN
[  377.914449][T10056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  377.914451][T10056] Call Trace:
[  377.914453][T10056]  <TASK>
[  377.914454][T10056]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  377.914461][T10056]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  377.914463][T10056]  __might_resched.cold (kernel/sched/core.c:9234)
[  377.914468][T10056]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  377.914472][T10056]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  377.914477][T10056]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  377.914479][T10056]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  377.914486][T10056]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  377.914489][T10056]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  377.914493][T10056]  put_chars (drivers/char/virtio_console.c:1176)
[  377.914495][T10056]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  377.914500][T10056]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  377.914505][T10056]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  377.914508][T10056]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  377.914513][T10056]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  377.914517][T10056]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  377.914519][T10056]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.914521][T10056]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.914526][T10056]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  377.914528][T10056]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  377.914533][T10056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.914537][T10056]  console_emit_next_record (kernel/printk/printk.c:3183)
[  377.914542][T10056]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  377.914544][T10056]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  377.914547][T10056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.914550][T10056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  377.914554][T10056]  console_flush_one_record (kernel/printk/printk.c:3268)
[  377.914558][T10056]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  377.914560][T10056]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.914566][T10056]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  377.914569][T10056]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  377.914571][T10056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.914573][T10056]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  377.914577][T10056]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  377.914579][T10056]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  377.914582][T10056]  vprintk_emit (kernel/printk/printk.c:2479)
[  377.914586][T10056]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  377.914588][T10056]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.914590][T10056]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  377.914595][T10056]  _printk (kernel/printk/printk.c:2504)
[  377.914599][T10056]  ? snapshot_read.cold (user.c:?)
[  377.914600][T10056]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  377.914606][T10056]  ? idr_get_free (??:?)
[  377.914611][T10056]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  377.914621][T10056]  ? nla_get_range_signed (lib/nlattr.c:270)
[  377.914627][T10056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  377.914629][T10056]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  377.914634][T10056]  __nla_validate_parse (lib/nlattr.c:635)
[  377.914639][T10056]  __nla_parse (lib/nlattr.c:732)
[  377.914642][T10056]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  377.914647][T10056]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  377.914653][T10056]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  377.914668][T10056]  ? security_capable (security/security.c:660 (discriminator 11))
[  377.914675][T10056]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  377.914679][T10056]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  377.914682][T10056]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  377.914685][T10056]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  377.914693][T10056]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.914699][T10056]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  377.914703][T10056]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  377.914705][T10056]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  377.914709][T10056]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  377.914716][T10056]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  377.914719][T10056]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  377.914723][T10056]  genl_rcv (net/netlink/genetlink.c:1218)
[  377.914725][T10056]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  377.914730][T10056]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  377.914733][T10056]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  377.914737][T10056]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  377.914741][T10056]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  377.914743][T10056]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  377.914747][T10056]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  377.914752][T10056]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  377.914755][T10056]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  377.914759][T10056]  __sys_sendto (net/socket.c:2281)
[  377.914762][T10056]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  377.914774][T10056]  ? fput_close_sync (fs/file_table.c:617)
[  377.914778][T10056]  ? alloc_file_clone (fs/file_table.c:479)
[  377.914782][T10056]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  377.914784][T10056]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  377.914788][T10056]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  377.914791][T10056]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  377.914793][T10056]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  377.914795][T10056]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  377.914798][T10056]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  377.914801][T10056] RIP: 0033:0x7f216b64e312
[  377.914804][T10056] 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)
[  377.914806][T10056] RSP: 002b:00007ffdae75d3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  377.914809][T10056] RAX: ffffffffffffffda RBX: 00007ffdae75d518 RCX: 00007f216b64e312
[  377.914810][T10056] RDX: 0000000000000044 RSI: 00007f216821a650 RDI: 0000000000000020
[  377.914811][T10056] RBP: 00007ffdae75d410 R08: 00007ffdae75d590 R09: 000000000000000c
[  377.914812][T10056] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21694b20b0
[  377.914813][T10056] R13: 00007ffdae75d518 R14: 00007f216af6d01a R15: 00007ffdae75d908
| [  379.323784][T10089] softirqs last disabled at (397130): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  379.323786][T10089] Preemption disabled at:
| [  379.323787][T10089] vprintk_emit (kernel/printk/printk.c:2471)
| [  379.323796][T10089] Tainted: [W]=WARN
[  379.323797][T10089] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  379.323799][T10089] Call Trace:
[  379.323801][T10089]  <TASK>
[  379.323802][T10089]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  379.323809][T10089]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  379.323811][T10089]  __might_resched.cold (kernel/sched/core.c:9234)
[  379.323816][T10089]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  379.323820][T10089]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  379.323825][T10089]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  379.323827][T10089]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  379.323834][T10089]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  379.323836][T10089]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  379.323841][T10089]  put_chars (drivers/char/virtio_console.c:1176)
[  379.323843][T10089]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  379.323847][T10089]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  379.323851][T10089]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  379.323855][T10089]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  379.323860][T10089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.323862][T10089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.323868][T10089]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  379.323874][T10089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.323876][T10089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  379.323881][T10089]  console_emit_next_record (kernel/printk/printk.c:3183)
[  379.323885][T10089]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  379.323887][T10089]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  379.323891][T10089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.323893][T10089]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  379.323898][T10089]  console_flush_one_record (kernel/printk/printk.c:3268)
[  379.323902][T10089]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  379.323905][T10089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.323910][T10089]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  379.323914][T10089]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  379.323916][T10089]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  379.323918][T10089]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  379.323922][T10089]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  379.323924][T10089]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  379.323927][T10089]  vprintk_emit (kernel/printk/printk.c:2479)
[  379.323930][T10089]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  379.323936][T10089]  _printk (kernel/printk/printk.c:2504)
[  379.323940][T10089]  ? snapshot_read.cold (user.c:?)
[  379.323943][T10089]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  379.323947][T10089]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  379.323953][T10089]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  379.323956][T10089]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  379.323967][T10089]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  379.323974][T10089]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  379.323978][T10089]  ? netdev_notice (net/core/dev.c:13194)
[  379.323981][T10089]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  379.323998][T10089]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  379.324003][T10089]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  379.324008][T10089]  netif_set_promiscuity (net/core/dev.c:9699)
[  379.324012][T10089]  dev_set_promiscuity (net/core/dev_api.c:288)
[  379.324015][T10089]  ? dev_disable_lro (net/core/dev_api.c:267)
[  379.324020][T10089] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  379.324029][T10089] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  379.324035][T10089] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  379.324040][T10089]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  379.324046][T10089] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  379.324053][T10089]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  379.324060][T10089]  ? __nla_validate_parse (lib/nlattr.c:635)
[  379.324067][T10089]  ? __nla_parse (lib/nlattr.c:732)
[  379.324070][T10089]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  379.324076][T10089]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  379.324081][T10089]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  379.324094][T10089]  ? security_capable (security/security.c:660 (discriminator 11))
[  379.324099][T10089]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  379.324104][T10089]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  379.324107][T10089]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  379.324109][T10089]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  379.324114][T10089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.324120][T10089]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  379.324124][T10089]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  379.324126][T10089]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  379.324133][T10089]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  379.324143][T10089]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  379.324145][T10089]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  379.324150][T10089]  genl_rcv (net/netlink/genetlink.c:1218)
[  379.324153][T10089]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  379.324158][T10089]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  379.324162][T10089]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  379.324166][T10089]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  379.324171][T10089]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  379.324173][T10089]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  379.324177][T10089]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  379.324185][T10089]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  379.324189][T10089]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  379.324194][T10089]  __sys_sendto (net/socket.c:2281)
[  379.324197][T10089]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  379.324209][T10089]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  379.324216][T10089]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  379.324219][T10089]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  379.324223][T10089]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  379.324225][T10089]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  379.324228][T10089]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  379.324232][T10089]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  379.324237][T10089]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  379.324240][T10089] RIP: 0033:0x7fe23ad77312
[  379.324244][T10089] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  379.324246][T10089] RSP: 002b:00007ffc9ea0b218 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  379.324249][T10089] RAX: ffffffffffffffda RBX: 00007ffc9ea0b348 RCX: 00007fe23ad77312
[  379.324250][T10089] RDX: 0000000000000038 RSI: 00007fe230709130 RDI: 0000000000000023
[  379.324251][T10089] RBP: 00007ffc9ea0b240 R08: 00007ffc9ea0b3c0 R09: 000000000000000c
[  379.324252][T10089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe238bde190
[  379.324253][T10089] R13: 00007ffc9ea0b348 R14: 00007fe23a69601a R15: 00007ffc9ea0b738
| [  380.530138][T10116] softirqs last disabled at (394878): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  380.530141][T10116] Preemption disabled at:
| [  380.530143][T10116] vprintk_emit (kernel/printk/printk.c:2471)
| [  380.530156][T10116] Tainted: [W]=WARN
[  380.530158][T10116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  380.530160][T10116] Call Trace:
[  380.530162][T10116]  <TASK>
[  380.530164][T10116]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  380.530172][T10116]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  380.530174][T10116]  __might_resched.cold (kernel/sched/core.c:9234)
[  380.530182][T10116]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  380.530188][T10116]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  380.530193][T10116]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  380.530196][T10116]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  380.530203][T10116]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  380.530206][T10116]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  380.530211][T10116]  put_chars (drivers/char/virtio_console.c:1176)
[  380.530214][T10116]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  380.530218][T10116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  380.530221][T10116]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  380.530228][T10116]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  380.530233][T10116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  380.530236][T10116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  380.530244][T10116]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  380.530251][T10116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.530254][T10116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.530259][T10116]  console_emit_next_record (kernel/printk/printk.c:3183)
[  380.530264][T10116]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  380.530267][T10116]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  380.530271][T10116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.530273][T10116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.530278][T10116]  console_flush_one_record (kernel/printk/printk.c:3268)
[  380.530284][T10116]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  380.530286][T10116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  380.530293][T10116]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  380.530297][T10116]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  380.530299][T10116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.530302][T10116]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  380.530307][T10116]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  380.530309][T10116]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  380.530314][T10116]  vprintk_emit (kernel/printk/printk.c:2479)
[  380.530321][T10116]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  380.530329][T10116]  _printk (kernel/printk/printk.c:2504)
[  380.530333][T10116]  ? snapshot_read.cold (user.c:?)
[  380.530337][T10116]  ? lockdep_rtnl_is_held (./include/linux/lockdep.h:249 net/core/rtnetlink.c:182)
[  380.530341][T10116]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 5))
[  380.530344][T10116]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  380.530347][T10116]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  380.530349][T10116]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  380.530354][T10116]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  380.530359][T10116]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  380.530362][T10116]  ? netdev_notice (net/core/dev.c:13194)
[  380.530365][T10116]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  380.530377][T10116]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  380.530381][T10116]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  380.530388][T10116]  netif_set_promiscuity (net/core/dev.c:9699)
[  380.530394][T10116]  dev_set_promiscuity (net/core/dev_api.c:288)
[  380.530397][T10116]  ? dev_disable_lro (net/core/dev_api.c:267)
[  380.530400][T10116] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  380.530407][T10116] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  380.530413][T10116] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  380.530418][T10116]  ? ovs_lookup_vport (./include/linux/lockdep.h:249 net/openvswitch/datapath.c:120 net/openvswitch/datapath.c:117 net/openvswitch/datapath.c:190) openvswitch
[  380.530424][T10116] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  380.530432][T10116]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  380.530436][T10116]  ? __nla_validate_parse (lib/nlattr.c:635)
[  380.530445][T10116]  ? __nla_parse (lib/nlattr.c:732)
[  380.530448][T10116]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  380.530459][T10116]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  380.530463][T10116]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  380.530474][T10116]  ? security_capable (security/security.c:660 (discriminator 11))
[  380.530480][T10116]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  380.530485][T10116]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  380.530488][T10116]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  380.530491][T10116]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  380.530496][T10116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  380.530504][T10116]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  380.530509][T10116]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  380.530511][T10116]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  380.530518][T10116]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  380.530530][T10116]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  380.530532][T10116]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  380.530538][T10116]  genl_rcv (net/netlink/genetlink.c:1218)
[  380.530541][T10116]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  380.530546][T10116]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  380.530551][T10116]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  380.530556][T10116]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  380.530562][T10116]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  380.530564][T10116]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  380.530568][T10116]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  380.530575][T10116]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  380.530579][T10116]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  380.530584][T10116]  __sys_sendto (net/socket.c:2281)
[  380.530589][T10116]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  380.530598][T10116]  ? do_futex (kernel/futex/syscalls.c:138)
[  380.530602][T10116]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  380.530611][T10116]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  380.530615][T10116]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  380.530620][T10116]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  380.530623][T10116]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  380.530627][T10116]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  380.530629][T10116]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  380.530633][T10116]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  380.530635][T10116]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  380.530639][T10116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  380.530641][T10116] RIP: 0033:0x7fd141238312
[  380.530646][T10116] 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)
[  380.530648][T10116] RSP: 002b:00007ffdf8b7f4d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  380.530652][T10116] RAX: ffffffffffffffda RBX: 00007ffdf8b7f608 RCX: 00007fd141238312
[  380.530653][T10116] RDX: 0000000000000034 RSI: 00007fd13c51a7b0 RDI: 0000000000000023
[  380.530654][T10116] RBP: 00007ffdf8b7f500 R08: 00007ffdf8b7f680 R09: 000000000000000c
[  380.530656][T10116] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd13f0a6190
[  380.530658][T10116] R13: 00007ffdf8b7f608 R14: 00007fd140b5701a R15: 00007ffdf8b7f9f8
| [  390.352987][   T12] softirqs last disabled at (9359168): __neigh_ifdown.isra.0 (./include/linux/spinlock.h:353 net/core/neighbour.c:464)
| [  390.352990][   T12] Preemption disabled at:
| [  390.352990][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  390.353000][   T12] Tainted: [W]=WARN
[  390.353001][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.353003][   T12] Workqueue: netns cleanup_net
[  390.353006][   T12] Call Trace:
[  390.353008][   T12]  <TASK>
[  390.353010][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  390.353016][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  390.353018][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  390.353032][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.353038][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  390.353045][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  390.353049][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.353060][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  390.353064][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  390.353069][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  390.353071][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  390.353074][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  390.353078][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  390.353081][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  390.353084][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  390.353089][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  390.353093][   T12]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  390.353095][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.353097][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.353102][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  390.353105][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  390.353109][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.353111][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.353115][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  390.353120][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  390.353122][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  390.353125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.353127][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.353132][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  390.353137][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  390.353139][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  390.353144][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  390.353148][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  390.353150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.353152][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  390.353156][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  390.353158][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  390.353161][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  390.353164][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  390.353167][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  390.353169][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  390.353179][   T12]  _printk (kernel/printk/printk.c:2504)
[  390.353183][   T12]  ? snapshot_read.cold (user.c:?)
[  390.353188][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  390.353192][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  390.353196][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  390.353199][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  390.353201][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  390.353206][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  390.353211][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  390.353214][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  390.353218][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  390.353222][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  390.353224][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  390.353227][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  390.353234][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  390.353239][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.353242][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  390.353248][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  390.353253][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  390.353261][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  390.353265][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  390.353268][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  390.353271][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  390.353276][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  390.353280][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  390.353284][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  390.353285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  390.353289][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  390.353294][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  390.353297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  390.353302][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  390.353304][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  390.353308][   T12]  process_one_work (kernel/workqueue.c:3387)
[  390.353315][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  390.353318][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  390.353327][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  390.353335][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  390.353337][   T12]  kthread (kernel/kthread.c:436)
[  390.353339][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  390.353343][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  390.353346][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  390.353351][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  390.353354][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  390.353358][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  390.353361][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  391.476387][T10317] softirqs last disabled at (400642): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  391.476389][T10317] Preemption disabled at:
| [  391.476389][T10317] vprintk_emit (kernel/printk/printk.c:2471)
| [  391.476398][T10317] Tainted: [W]=WARN
[  391.476399][T10317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  391.476401][T10317] Call Trace:
[  391.476403][T10317]  <TASK>
[  391.476404][T10317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  391.476411][T10317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  391.476413][T10317]  __might_resched.cold (kernel/sched/core.c:9234)
[  391.476417][T10317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  391.476422][T10317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  391.476427][T10317]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  391.476429][T10317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  391.476435][T10317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  391.476438][T10317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  391.476442][T10317]  put_chars (drivers/char/virtio_console.c:1176)
[  391.476445][T10317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  391.476447][T10317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  391.476450][T10317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  391.476456][T10317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  391.476467][T10317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  391.476472][T10317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.476474][T10317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.476479][T10317]  console_emit_next_record (kernel/printk/printk.c:3183)
[  391.476483][T10317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  391.476485][T10317]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  391.476489][T10317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.476491][T10317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  391.476495][T10317]  console_flush_one_record (kernel/printk/printk.c:3268)
[  391.476500][T10317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  391.476502][T10317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.476508][T10317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  391.476512][T10317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  391.476514][T10317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  391.476516][T10317]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  391.476520][T10317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  391.476522][T10317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  391.476525][T10317]  vprintk_emit (kernel/printk/printk.c:2479)
[  391.476528][T10317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  391.476531][T10317]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  391.476534][T10317]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  391.476542][T10317]  _printk (kernel/printk/printk.c:2504)
[  391.476546][T10317]  ? snapshot_read.cold (user.c:?)
[  391.476551][T10317]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  391.476554][T10317]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  391.476560][T10317]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  391.476564][T10317]  ? netdev_notice (net/core/dev.c:13194)
[  391.476567][T10317]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  391.476572][T10317]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  391.476577][T10317]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  391.476580][T10317]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  391.476584][T10317]  netif_set_promiscuity (net/core/dev.c:9699)
[  391.476588][T10317]  dev_set_promiscuity (net/core/dev_api.c:288)
[  391.476590][T10317]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  391.476594][T10317] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  391.476598][T10317]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  391.476603][T10317] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  391.476607][T10317] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  391.476615][T10317]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  391.476619][T10317]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  391.476628][T10317]  ? security_capable (security/security.c:660 (discriminator 11))
[  391.476633][T10317]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  391.476637][T10317]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  391.476640][T10317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  391.476643][T10317]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  391.476648][T10317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.476654][T10317]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  391.476658][T10317]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  391.476660][T10317]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  391.476664][T10317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  391.476671][T10317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  391.476673][T10317]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  391.476678][T10317]  genl_rcv (net/netlink/genetlink.c:1218)
[  391.476680][T10317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  391.476685][T10317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  391.476689][T10317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  391.476693][T10317]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  391.476697][T10317]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  391.476699][T10317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  391.476705][T10317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  391.476712][T10317]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  391.476715][T10317]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  391.476719][T10317]  __sys_sendto (net/socket.c:2281)
[  391.476723][T10317]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  391.476734][T10317]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  391.476741][T10317]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  391.476743][T10317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  391.476747][T10317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  391.476749][T10317]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  391.476752][T10317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  391.476754][T10317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  391.476757][T10317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  391.476759][T10317] RIP: 0033:0x7eff2cb3d312
[  391.476763][T10317] 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)
[  391.476765][T10317] RSP: 002b:00007ffea65a0a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  391.476768][T10317] RAX: ffffffffffffffda RBX: 00007ffea65a0bc8 RCX: 00007eff2cb3d312
[  391.476769][T10317] RDX: 0000000000000024 RSI: 00007eff287554d0 RDI: 0000000000000023
[  391.476770][T10317] RBP: 00007ffea65a0ac0 R08: 00007ffea65a0c40 R09: 000000000000000c
[  391.476771][T10317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff2a995fd0
[  391.476772][T10317] R13: 00007ffea65a0bc8 R14: 00007eff2c45c01a R15: 00007ffea65a0fb8
| [  393.119726][T10343] softirqs last disabled at (373696): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  393.119728][T10343] Preemption disabled at:
| [  393.119729][T10343] vprintk_emit (kernel/printk/printk.c:2471)
| [  393.119739][T10343] Tainted: [W]=WARN
[  393.119740][T10343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  393.119741][T10343] Call Trace:
[  393.119743][T10343]  <TASK>
[  393.119745][T10343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  393.119751][T10343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  393.119753][T10343]  __might_resched.cold (kernel/sched/core.c:9234)
[  393.119758][T10343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  393.119762][T10343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  393.119767][T10343]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  393.119769][T10343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  393.119776][T10343]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  393.119779][T10343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  393.119783][T10343]  put_chars (drivers/char/virtio_console.c:1176)
[  393.119786][T10343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  393.119788][T10343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  393.119791][T10343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  393.119797][T10343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  393.119806][T10343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  393.119809][T10343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.119811][T10343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.119816][T10343]  console_emit_next_record (kernel/printk/printk.c:3183)
[  393.119820][T10343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  393.119822][T10343]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  393.119826][T10343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.119828][T10343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.119833][T10343]  console_flush_one_record (kernel/printk/printk.c:3268)
[  393.119837][T10343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  393.119840][T10343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.119846][T10343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  393.119849][T10343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  393.119851][T10343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.119853][T10343]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  393.119857][T10343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  393.119859][T10343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  393.119862][T10343]  vprintk_emit (kernel/printk/printk.c:2479)
[  393.119865][T10343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  393.119867][T10343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  393.119870][T10343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  393.119875][T10343]  _printk (kernel/printk/printk.c:2504)
[  393.119879][T10343]  ? snapshot_read.cold (user.c:?)
[  393.119883][T10343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.119885][T10343]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  393.119888][T10343]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  393.119893][T10343]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  393.119896][T10343]  ? netdev_notice (net/core/dev.c:13194)
[  393.119898][T10343]  ? internal_dev_destroy (net/openvswitch/vport-internal_dev.c:178) openvswitch
[  393.119904][T10343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  393.119910][T10343]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  393.119913][T10343]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  393.119917][T10343]  netif_set_promiscuity (net/core/dev.c:9699)
[  393.119922][T10343]  dev_set_promiscuity (net/core/dev_api.c:288)
[  393.119925][T10343] internal_dev_destroy (net/openvswitch/vport-internal_dev.c:179) openvswitch
[  393.119931][T10343] __dp_destroy (net/openvswitch/datapath.c:1969 (discriminator 1)) openvswitch
[  393.119938][T10343] ovs_dp_cmd_del (net/openvswitch/datapath.c:2003) openvswitch
[  393.119943][T10343]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  393.119947][T10343]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  393.119957][T10343]  ? security_capable (security/security.c:660 (discriminator 11))
[  393.119961][T10343]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  393.119965][T10343]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  393.119968][T10343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  393.119971][T10343]  ? __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
[  393.119975][T10343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.119981][T10343]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  393.119985][T10343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  393.119987][T10343]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  393.119991][T10343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  393.119999][T10343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  393.120001][T10343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  393.120005][T10343]  genl_rcv (net/netlink/genetlink.c:1218)
[  393.120008][T10343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  393.120012][T10343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  393.120016][T10343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  393.120020][T10343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  393.120024][T10343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  393.120026][T10343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  393.120029][T10343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  393.120035][T10343]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  393.120038][T10343]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  393.120051][T10343]  __sys_sendto (net/socket.c:2281)
[  393.120055][T10343]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  393.120070][T10343]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[  393.120075][T10343]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  393.120078][T10343]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  393.120082][T10343]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  393.120083][T10343]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  393.120086][T10343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  393.120088][T10343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  393.120091][T10343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  393.120093][T10343] RIP: 0033:0x7f3328762312
[  393.120097][T10343] 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)
[  393.120099][T10343] RSP: 002b:00007ffdf8e7f538 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  393.120102][T10343] RAX: ffffffffffffffda RBX: 00007ffdf8e7f668 RCX: 00007f3328762312
[  393.120103][T10343] RDX: 0000000000000024 RSI: 00007f33242e2a00 RDI: 0000000000000020
[  393.120104][T10343] RBP: 00007ffdf8e7f560 R08: 00007ffdf8e7f6e0 R09: 000000000000000c
[  393.120105][T10343] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f33265c5e10
[  393.120106][T10343] R13: 00007ffdf8e7f668 R14: 00007f332808101a R15: 00007ffdf8e7fa58
| [  396.472763][T10438] softirqs last disabled at (375598): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  396.472767][T10438] Preemption disabled at:
| [  396.472768][T10438] vprintk_emit (kernel/printk/printk.c:2471)
| [  396.472780][T10438] Tainted: [W]=WARN
[  396.472781][T10438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  396.472784][T10438] Call Trace:
[  396.472786][T10438]  <TASK>
[  396.472788][T10438]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  396.472796][T10438]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  396.472799][T10438]  __might_resched.cold (kernel/sched/core.c:9234)
[  396.472805][T10438]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  396.472811][T10438]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  396.472818][T10438]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  396.472821][T10438]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  396.472830][T10438]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  396.472834][T10438]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  396.472840][T10438]  put_chars (drivers/char/virtio_console.c:1176)
[  396.472844][T10438]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  396.472849][T10438]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  396.472853][T10438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  396.472857][T10438]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  396.472864][T10438]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  396.472870][T10438]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  396.472873][T10438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.472875][T10438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.472883][T10438]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  396.472886][T10438]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  396.472893][T10438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  396.472900][T10438]  console_emit_next_record (kernel/printk/printk.c:3183)
[  396.472906][T10438]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  396.472909][T10438]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  396.472915][T10438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.472918][T10438]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  396.472925][T10438]  console_flush_one_record (kernel/printk/printk.c:3268)
[  396.472932][T10438]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  396.472935][T10438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.472944][T10438]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  396.472948][T10438]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  396.472952][T10438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.472955][T10438]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  396.472961][T10438]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  396.472964][T10438]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  396.472969][T10438]  vprintk_emit (kernel/printk/printk.c:2479)
[  396.472974][T10438]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  396.472978][T10438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  396.472980][T10438]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  396.472988][T10438]  _printk (kernel/printk/printk.c:2504)
[  396.472993][T10438]  ? snapshot_read.cold (user.c:?)
[  396.472996][T10438]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  396.473005][T10438]  ? idr_get_free (??:?)
[  396.473013][T10438]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  396.473026][T10438]  ? nla_get_range_signed (lib/nlattr.c:270)
[  396.473035][T10438]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.473038][T10438]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  396.473045][T10438]  __nla_validate_parse (lib/nlattr.c:635)
[  396.473053][T10438]  __nla_parse (lib/nlattr.c:732)
[  396.473067][T10438]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  396.473076][T10438]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  396.473082][T10438]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  396.473097][T10438]  ? security_capable (security/security.c:660 (discriminator 11))
[  396.473103][T10438]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  396.473109][T10438]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  396.473113][T10438]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  396.473118][T10438]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  396.473129][T10438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.473139][T10438]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  396.473144][T10438]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  396.473147][T10438]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  396.473153][T10438]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  396.473165][T10438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  396.473169][T10438]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  396.473176][T10438]  genl_rcv (net/netlink/genetlink.c:1218)
[  396.473179][T10438]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  396.473186][T10438]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  396.473192][T10438]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.473198][T10438]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  396.473205][T10438]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  396.473208][T10438]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  396.473213][T10438]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  396.473221][T10438]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  396.473224][T10438]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  396.473230][T10438]  __sys_sendto (net/socket.c:2281)
[  396.473235][T10438]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  396.473255][T10438]  ? fput_close_sync (fs/file_table.c:617)
[  396.473259][T10438]  ? alloc_file_clone (fs/file_table.c:479)
[  396.473266][T10438]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  396.473270][T10438]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  396.473275][T10438]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  396.473278][T10438]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  396.473282][T10438]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  396.473285][T10438]  ? irq_exit_rcu (kernel/softirq.c:786)
[  396.473291][T10438]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  396.473295][T10438] RIP: 0033:0x7f9076efe312
[  396.473299][T10438] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  396.473302][T10438] RSP: 002b:00007fff02e9f628 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  396.473306][T10438] RAX: ffffffffffffffda RBX: 00007fff02e9f758 RCX: 00007f9076efe312
[  396.473308][T10438] RDX: 0000000000000044 RSI: 00007f9074c2f410 RDI: 0000000000000020
[  396.473310][T10438] RBP: 00007fff02e9f650 R08: 00007fff02e9f7d0 R09: 000000000000000c
[  396.473311][T10438] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9074d620b0
[  396.473313][T10438] R13: 00007fff02e9f758 R14: 00007f907681d01a R15: 00007fff02e9fb48
| [  396.500501][    C0]
| [  396.500501][    C0]
| [  396.500501][    C0] stack backtrace:
| [  396.500508][    C0] Tainted: [W]=WARN
[  396.500509][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  396.500511][    C0] Call Trace:
[  396.500513][    C0]  <IRQ>
[  396.500514][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  396.500519][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  396.500522][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  396.500523][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  396.500526][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  396.500529][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  396.500530][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  396.500533][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  396.500535][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  396.500537][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.500540][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  396.500542][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  396.500544][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  396.500546][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  396.500547][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  396.500550][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  396.500552][    C0]  _printk (kernel/printk/printk.c:2504)
[  396.500554][    C0]  ? snapshot_read.cold (user.c:?)
[  396.500556][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  396.500557][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  396.500560][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  396.500562][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  396.500564][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  396.500565][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  396.500568][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  396.500570][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  396.500573][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  396.500575][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  396.500577][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.500579][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  396.500581][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  396.500583][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  396.500585][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  396.500588][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  396.500591][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  396.500594][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  396.500596][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  396.500599][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.500600][    C0]  handle_softirqs (kernel/softirq.c:645)
[  396.500602][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  396.500604][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  396.500607][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  396.500608][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  396.500610][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  396.500612][    C0]  </IRQ>
[  396.500613][    C0]  <TASK>
[  396.500613][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  396.500615][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  396.500617][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  396.500620][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  396.500622][    C0] RSP: 0018:ffffffffa3c07cf8 EFLAGS: 00000296
[  396.500625][    C0] RAX: 00000000012e0049 RBX: ffffffffa3c30600 RCX: ffffffffa0306247
[  396.500626][    C0] RDX: ffffffffa3c30600 RSI: ffffffffa3511011 RDI: ffffffffa2e949e0
[  396.500627][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  396.500628][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4780fa2
[  396.500629][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  396.500631][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  396.500633][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  396.500635][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  396.500637][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  396.500638][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  396.500640][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  396.500642][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  396.500645][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  396.500647][    C0]  do_idle (kernel/sched/idle.c:355)
[  396.500649][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  396.500650][    C0]  rest_init (init/main.c:727)
[  396.500652][    C0]  ? __cpuidle_text_end (??:?)
[  396.500655][    C0]  ? rest_init (init/main.c:727)
[  396.500657][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  396.500661][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  396.500662][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  396.500665][    C0]  start_kernel (init/main.c:1185)
[  396.500667][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  396.500668][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  396.500670][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  397.563563][T10470] softirqs last disabled at (0): 0x0
| [  397.563565][T10470] Preemption disabled at:
| [  397.563566][T10470] vprintk_emit (kernel/printk/printk.c:2471)
| [  397.563577][T10470] Tainted: [W]=WARN
[  397.563578][T10470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  397.563580][T10470] Call Trace:
[  397.563581][T10470]  <TASK>
[  397.563583][T10470]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  397.563589][T10470]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  397.563590][T10470]  __might_resched.cold (kernel/sched/core.c:9234)
[  397.563594][T10470]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  397.563598][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563601][T10470]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  397.563604][T10470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  397.563607][T10470]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  397.563612][T10470]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  397.563614][T10470]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  397.563617][T10470]  put_chars (drivers/char/virtio_console.c:1176)
[  397.563619][T10470]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  397.563621][T10470]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  397.563623][T10470]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  397.563626][T10470]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  397.563631][T10470]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  397.563633][T10470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  397.563635][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563636][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563637][T10470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.563640][T10470]  console_emit_next_record (kernel/printk/printk.c:3183)
[  397.563643][T10470]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  397.563646][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563647][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563648][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563649][T10470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.563652][T10470]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  397.563654][T10470]  console_flush_one_record (kernel/printk/printk.c:3268)
[  397.563656][T10470]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  397.563660][T10470]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  397.563662][T10470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.563664][T10470]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  397.563666][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563667][T10470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  397.563668][T10470]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  397.563670][T10470]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  397.563672][T10470]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  397.563674][T10470]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  397.563676][T10470]  vprintk_emit (kernel/printk/printk.c:2479)
[  397.563678][T10470]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  397.563680][T10470]  _printk (kernel/printk/printk.c:2504)
[  397.563684][T10470]  ? snapshot_read.cold (user.c:?)
[  397.563686][T10470]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  397.563689][T10470]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  397.563693][T10470]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  397.563695][T10470]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  397.563699][T10470]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  397.563702][T10470]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  397.563704][T10470]  ? netdev_notice (net/core/dev.c:13194)
[  397.563706][T10470]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  397.563716][T10470]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  397.563718][T10470]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  397.563720][T10470]  netif_set_promiscuity (net/core/dev.c:9699)
[  397.563723][T10470]  dev_set_promiscuity (net/core/dev_api.c:288)
[  397.563726][T10470]  ? dev_disable_lro (net/core/dev_api.c:267)
[  397.563727][T10470] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  397.563732][T10470] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  397.563736][T10470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  397.563739][T10470] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  397.563744][T10470]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  397.563748][T10470] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  397.563753][T10470]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  397.563756][T10470]  ? __nla_validate_parse (lib/nlattr.c:635)
[  397.563761][T10470]  ? __nla_parse (lib/nlattr.c:732)
[  397.563763][T10470]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  397.563768][T10470]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  397.563770][T10470]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  397.563774][T10470]  ? security_capable (security/security.c:660 (discriminator 11))
[  397.563777][T10470]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  397.563780][T10470]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  397.563783][T10470]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  397.563787][T10470]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  397.563790][T10470]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  397.563792][T10470]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  397.563795][T10470]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  397.563797][T10470]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  397.563800][T10470]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  397.563803][T10470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.563805][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563807][T10470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  397.563809][T10470]  genl_rcv (net/netlink/genetlink.c:1218)
[  397.563811][T10470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  397.563814][T10470]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  397.563817][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563818][T10470]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  397.563821][T10470]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  397.563824][T10470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  397.563826][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563828][T10470]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  397.563830][T10470]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  397.563834][T10470]  __sys_sendto (net/socket.c:2281)
[  397.563836][T10470]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  397.563841][T10470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  397.563842][T10470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  397.563844][T10470]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  397.563846][T10470]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  397.563850][T10470]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  397.563851][T10470]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  397.563853][T10470]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  397.563857][T10470]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  397.563860][T10470]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  397.563862][T10470] RIP: 0033:0x7faacea99312
[  397.563864][T10470] 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)
[  397.563866][T10470] RSP: 002b:00007ffc7670cb88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  397.563870][T10470] RAX: ffffffffffffffda RBX: 00007ffc7670ccb8 RCX: 00007faacea99312
[  397.563872][T10470] RDX: 0000000000000038 RSI: 00007faaca7031f0 RDI: 0000000000000023
[  397.563873][T10470] RBP: 00007ffc7670cbb0 R08: 00007ffc7670cd30 R09: 000000000000000c
[  397.563874][T10470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faacc8f6190
[  397.563876][T10470] R13: 00007ffc7670ccb8 R14: 00007faace3b801a R15: 00007ffc7670d0a8
| [  406.540902][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  406.540904][   T12] Preemption disabled at:
| [  406.540905][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  406.540916][   T12] Tainted: [W]=WARN
[  406.540917][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  406.540919][   T12] Workqueue: netns cleanup_net
[  406.540925][   T12] Call Trace:
[  406.540926][   T12]  <TASK>
[  406.540928][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  406.540934][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  406.540936][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  406.540939][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  406.540943][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  406.540945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.540948][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  406.540951][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  406.540954][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.540959][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  406.540960][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  406.540963][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  406.540965][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  406.540966][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  406.540968][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  406.540971][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  406.540977][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  406.540979][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  406.540980][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  406.540983][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  406.540985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.540986][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.540989][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  406.540992][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  406.540994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.540995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.540996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.540998][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.541000][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  406.541002][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  406.541004][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  406.541007][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  406.541009][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.541011][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  406.541013][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.541014][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  406.541016][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  406.541017][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  406.541019][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  406.541021][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  406.541022][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  406.541024][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  406.541026][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  406.541028][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  406.541035][   T12]  _printk (kernel/printk/printk.c:2504)
[  406.541038][   T12]  ? snapshot_read.cold (user.c:?)
[  406.541040][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  406.541044][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  406.541046][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  406.541048][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  406.541050][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  406.541053][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  406.541059][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  406.541061][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  406.541063][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  406.541066][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  406.541068][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  406.541071][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  406.541077][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  406.541082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.541084][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  406.541087][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  406.541090][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  406.541092][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  406.541094][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  406.541096][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  406.541097][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.541099][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  406.541101][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  406.541103][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  406.541106][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  406.541109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  406.541111][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  406.541114][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  406.541116][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  406.541118][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  406.541119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  406.541127][   T12]  process_one_work (kernel/workqueue.c:3387)
[  406.541131][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  406.541133][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  406.541136][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  406.541138][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  406.541142][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  406.541144][   T12]  kthread (kernel/kthread.c:436)
[  406.541146][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  406.541149][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  406.541151][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  406.541154][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  406.541156][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  406.541160][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  406.541162][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  408.157001][T10710] softirqs last disabled at (0): 0x0
| [  408.157004][T10710] Preemption disabled at:
| [  408.157005][T10710] vprintk_emit (kernel/printk/printk.c:2471)
| [  408.157020][T10710] Tainted: [W]=WARN
[  408.157021][T10710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  408.157024][T10710] Call Trace:
[  408.157026][T10710]  <TASK>
[  408.157028][T10710]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  408.157035][T10710]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  408.157037][T10710]  __might_resched.cold (kernel/sched/core.c:9234)
[  408.157042][T10710]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  408.157047][T10710]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  408.157051][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157061][T10710]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  408.157065][T10710]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  408.157069][T10710]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  408.157076][T10710]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  408.157079][T10710]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  408.157084][T10710]  put_chars (drivers/char/virtio_console.c:1176)
[  408.157087][T10710]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  408.157090][T10710]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  408.157095][T10710]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  408.157102][T10710]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  408.157105][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157108][T10710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.157112][T10710]  console_emit_next_record (kernel/printk/printk.c:3183)
[  408.157117][T10710]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  408.157120][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157123][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157125][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157127][T10710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.157136][T10710]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  408.157139][T10710]  console_flush_one_record (kernel/printk/printk.c:3268)
[  408.157144][T10710]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  408.157149][T10710]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  408.157152][T10710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.157155][T10710]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  408.157158][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157160][T10710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  408.157163][T10710]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  408.157165][T10710]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  408.157168][T10710]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  408.157172][T10710]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  408.157174][T10710]  vprintk_emit (kernel/printk/printk.c:2479)
[  408.157178][T10710]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  408.157181][T10710]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  408.157185][T10710]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  408.157196][T10710]  _printk (kernel/printk/printk.c:2504)
[  408.157201][T10710]  ? snapshot_read.cold (user.c:?)
[  408.157204][T10710]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  408.157209][T10710]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  408.157213][T10710]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  408.157216][T10710]  ? netdev_notice (net/core/dev.c:13194)
[  408.157218][T10710]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  408.157223][T10710]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  408.157228][T10710]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  408.157231][T10710]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  408.157234][T10710]  netif_set_promiscuity (net/core/dev.c:9699)
[  408.157238][T10710]  dev_set_promiscuity (net/core/dev_api.c:288)
[  408.157241][T10710]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  408.157245][T10710] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  408.157255][T10710]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  408.157262][T10710] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  408.157269][T10710] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  408.157278][T10710]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  408.157283][T10710]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  408.157288][T10710]  ? security_capable (security/security.c:660 (discriminator 11))
[  408.157293][T10710]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  408.157297][T10710]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  408.157301][T10710]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  408.157308][T10710]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  408.157312][T10710]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  408.157317][T10710]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  408.157321][T10710]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  408.157323][T10710]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  408.157327][T10710]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  408.157332][T10710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.157335][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157337][T10710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  408.157341][T10710]  genl_rcv (net/netlink/genetlink.c:1218)
[  408.157344][T10710]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  408.157348][T10710]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  408.157351][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157354][T10710]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  408.157358][T10710]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  408.157361][T10710]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  408.157364][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157367][T10710]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  408.157372][T10710]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  408.157376][T10710]  __sys_sendto (net/socket.c:2281)
[  408.157379][T10710]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  408.157386][T10710]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  408.157389][T10710]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  408.157392][T10710]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  408.157396][T10710]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  408.157400][T10710]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  408.157403][T10710]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  408.157405][T10710]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  408.157410][T10710]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  408.157413][T10710]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  408.157417][T10710] RIP: 0033:0x7f535463b312
[  408.157420][T10710] 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)
[  408.157423][T10710] RSP: 002b:00007fff06b23068 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  408.157428][T10710] RAX: ffffffffffffffda RBX: 00007fff06b23198 RCX: 00007f535463b312
[  408.157430][T10710] RDX: 0000000000000028 RSI: 00007f535029d500 RDI: 0000000000000023
[  408.157432][T10710] RBP: 00007fff06b23090 R08: 00007fff06b23210 R09: 000000000000000c
[  408.157434][T10710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53524a1fd0
[  408.157436][T10710] R13: 00007fff06b23198 R14: 00007f5353f5a01a R15: 00007fff06b23588
| [  411.800211][T10830] softirqs last disabled at (0): 0x0
| [  411.800213][T10830] Preemption disabled at:
| [  411.800214][T10830] vprintk_emit (kernel/printk/printk.c:2471)
| [  411.800228][T10830] Tainted: [W]=WARN
[  411.800230][T10830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  411.800233][T10830] Call Trace:
[  411.800235][T10830]  <TASK>
[  411.800237][T10830]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  411.800244][T10830]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  411.800246][T10830]  __might_resched.cold (kernel/sched/core.c:9234)
[  411.800251][T10830]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  411.800256][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800260][T10830]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  411.800265][T10830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  411.800269][T10830]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  411.800275][T10830]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  411.800278][T10830]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  411.800282][T10830]  put_chars (drivers/char/virtio_console.c:1176)
[  411.800285][T10830]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  411.800288][T10830]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  411.800293][T10830]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  411.800300][T10830]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  411.800303][T10830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  411.800306][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800308][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.800313][T10830]  console_emit_next_record (kernel/printk/printk.c:3183)
[  411.800317][T10830]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  411.800320][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800322][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800325][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800327][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.800330][T10830]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  411.800333][T10830]  console_flush_one_record (kernel/printk/printk.c:3268)
[  411.800337][T10830]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  411.800342][T10830]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  411.800345][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.800348][T10830]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  411.800351][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800353][T10830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.800355][T10830]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  411.800358][T10830]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  411.800361][T10830]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  411.800364][T10830]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  411.800367][T10830]  vprintk_emit (kernel/printk/printk.c:2479)
[  411.800370][T10830]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  411.800372][T10830]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  411.800375][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800377][T10830]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  411.800383][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.800386][T10830]  _printk (kernel/printk/printk.c:2504)
[  411.800391][T10830]  ? snapshot_read.cold (user.c:?)
[  411.800393][T10830]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  411.800399][T10830]  ? idr_get_free (??:?)
[  411.800402][T10830]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  411.800407][T10830]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  411.800416][T10830]  ? nla_get_range_signed (lib/nlattr.c:270)
[  411.800421][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800424][T10830]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  411.800428][T10830]  __nla_validate_parse (lib/nlattr.c:635)
[  411.800433][T10830]  __nla_parse (lib/nlattr.c:732)
[  411.800436][T10830]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  411.800440][T10830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.800443][T10830]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  411.800447][T10830]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  411.800453][T10830]  ? security_capable (security/security.c:660 (discriminator 11))
[  411.800457][T10830]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  411.800461][T10830]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  411.800465][T10830]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  411.800475][T10830]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  411.800480][T10830]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  411.800484][T10830]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  411.800487][T10830]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  411.800490][T10830]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  411.800493][T10830]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  411.800498][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.800501][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800503][T10830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  411.800507][T10830]  genl_rcv (net/netlink/genetlink.c:1218)
[  411.800510][T10830]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  411.800514][T10830]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  411.800517][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800519][T10830]  ? 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)
[  411.800523][T10830]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  411.800526][T10830]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  411.800530][T10830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  411.800533][T10830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  411.800536][T10830]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  411.800540][T10830]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  411.800544][T10830]  __sys_sendto (net/socket.c:2281)
[  411.800547][T10830]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  411.800552][T10830]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  411.800559][T10830]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  411.800562][T10830]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  411.800565][T10830]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  411.800568][T10830]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  411.800570][T10830]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  411.800574][T10830]  ? irq_exit_rcu (kernel/softirq.c:786)
[  411.800578][T10830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  411.800582][T10830] RIP: 0033:0x7fadc077a312
[  411.800585][T10830] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  411.800588][T10830] RSP: 002b:00007fffadc917c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  411.800593][T10830] RAX: ffffffffffffffda RBX: 00007fffadc918f8 RCX: 00007fadc077a312
[  411.800595][T10830] RDX: 0000000000000044 RSI: 00007fadbc34aec0 RDI: 0000000000000020
[  411.800597][T10830] RBP: 00007fffadc917f0 R08: 00007fffadc91970 R09: 000000000000000c
[  411.800599][T10830] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fadbe5de0b0
[  411.800601][T10830] R13: 00007fffadc918f8 R14: 00007fadc009901a R15: 00007fffadc91ce8
| [  412.992893][T10860] softirqs last disabled at (0): 0x0
| [  412.992896][T10860] Preemption disabled at:
| [  412.992897][T10860] vprintk_emit (kernel/printk/printk.c:2471)
| [  412.992911][T10860] Tainted: [W]=WARN
[  412.992913][T10860] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  412.992915][T10860] Call Trace:
[  412.992917][T10860]  <TASK>
[  412.992919][T10860]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  412.992927][T10860]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  412.992929][T10860]  __might_resched.cold (kernel/sched/core.c:9234)
[  412.992934][T10860]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  412.992939][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.992943][T10860]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  412.992947][T10860]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  412.992951][T10860]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  412.992958][T10860]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  412.992961][T10860]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  412.992966][T10860]  put_chars (drivers/char/virtio_console.c:1176)
[  412.992969][T10860]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  412.992972][T10860]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  412.992976][T10860]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  412.992980][T10860]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  412.992988][T10860]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  412.992992][T10860]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  412.992995][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.992997][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.992999][T10860]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.993004][T10860]  console_emit_next_record (kernel/printk/printk.c:3183)
[  412.993008][T10860]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  412.993012][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993015][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993017][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993019][T10860]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.993023][T10860]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  412.993026][T10860]  console_flush_one_record (kernel/printk/printk.c:3268)
[  412.993031][T10860]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  412.993036][T10860]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  412.993039][T10860]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.993042][T10860]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  412.993045][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993047][T10860]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  412.993050][T10860]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  412.993053][T10860]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  412.993056][T10860]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  412.993062][T10860]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  412.993064][T10860]  vprintk_emit (kernel/printk/printk.c:2479)
[  412.993068][T10860]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  412.993072][T10860]  _printk (kernel/printk/printk.c:2504)
[  412.993077][T10860]  ? snapshot_read.cold (user.c:?)
[  412.993081][T10860]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  412.993085][T10860]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  412.993091][T10860]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  412.993094][T10860]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  412.993099][T10860]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  412.993103][T10860]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  412.993107][T10860]  ? netdev_notice (net/core/dev.c:13194)
[  412.993110][T10860]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  412.993124][T10860]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  412.993127][T10860]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  412.993131][T10860]  netif_set_promiscuity (net/core/dev.c:9699)
[  412.993136][T10860]  dev_set_promiscuity (net/core/dev_api.c:288)
[  412.993139][T10860]  ? dev_disable_lro (net/core/dev_api.c:267)
[  412.993142][T10860] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  412.993150][T10860] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  412.993158][T10860]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  412.993165][T10860] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  412.993172][T10860]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  412.993179][T10860] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  412.993187][T10860]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  412.993193][T10860]  ? __nla_validate_parse (lib/nlattr.c:635)
[  412.993199][T10860]  ? __nla_parse (lib/nlattr.c:732)
[  412.993202][T10860]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  412.993208][T10860]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  412.993212][T10860]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  412.993218][T10860]  ? security_capable (security/security.c:660 (discriminator 11))
[  412.993223][T10860]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  412.993227][T10860]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  412.993230][T10860]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  412.993237][T10860]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  412.993241][T10860]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  412.993245][T10860]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  412.993248][T10860]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  412.993251][T10860]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  412.993255][T10860]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  412.993259][T10860]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.993262][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993265][T10860]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  412.993268][T10860]  genl_rcv (net/netlink/genetlink.c:1218)
[  412.993271][T10860]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  412.993275][T10860]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  412.993278][T10860]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  412.993282][T10860]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  412.993286][T10860]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  412.993290][T10860]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  412.993293][T10860]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  412.993296][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993299][T10860]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  412.993303][T10860]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  412.993307][T10860]  __sys_sendto (net/socket.c:2281)
[  412.993311][T10860]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  412.993318][T10860]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  412.993320][T10860]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  412.993324][T10860]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  412.993327][T10860]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  412.993329][T10860]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  412.993332][T10860]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  412.993334][T10860]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  412.993339][T10860]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  412.993342][T10860]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  412.993346][T10860] RIP: 0033:0x7ff360d42312
[  412.993349][T10860] 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)
[  412.993352][T10860] RSP: 002b:00007fffea294448 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  412.993358][T10860] RAX: ffffffffffffffda RBX: 00007fffea294578 RCX: 00007ff360d42312
[  412.993360][T10860] RDX: 0000000000000038 RSI: 00007ff35c9879b0 RDI: 0000000000000023
[  412.993362][T10860] RBP: 00007fffea294470 R08: 00007fffea2945f0 R09: 000000000000000c
[  412.993364][T10860] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff35eba6190
[  412.993366][T10860] R13: 00007fffea294578 R14: 00007ff36066101a R15: 00007fffea294968
| [  422.268907][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  422.268910][   T12] Preemption disabled at:
| [  422.268911][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  422.268926][   T12] Tainted: [W]=WARN
[  422.268927][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  422.268930][   T12] Workqueue: netns cleanup_net
[  422.268937][   T12] Call Trace:
[  422.268939][   T12]  <TASK>
[  422.268941][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  422.268949][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  422.268951][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  422.268956][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.268961][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  422.268964][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.268968][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  422.268972][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  422.268976][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.268982][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  422.268985][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  422.268989][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  422.268991][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  422.268994][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  422.268997][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  422.269001][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  422.269008][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  422.269011][   T12]  ? 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)
[  422.269014][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  422.269017][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  422.269020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269022][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.269027][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  422.269031][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  422.269034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269038][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269040][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.269044][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  422.269047][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  422.269051][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  422.269060][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  422.269063][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.269066][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  422.269069][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269071][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  422.269073][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  422.269076][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  422.269078][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  422.269082][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  422.269084][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  422.269088][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  422.269090][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  422.269094][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  422.269104][   T12]  _printk (kernel/printk/printk.c:2504)
[  422.269109][   T12]  ? snapshot_read.cold (user.c:?)
[  422.269113][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  422.269117][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  422.269121][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  422.269124][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  422.269127][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  422.269131][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  422.269135][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  422.269138][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  422.269142][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  422.269146][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  422.269149][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  422.269154][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  422.269163][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  422.269171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269174][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  422.269179][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  422.269183][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  422.269186][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  422.269190][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  422.269193][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  422.269195][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.269198][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  422.269201][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  422.269204][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  422.269208][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  422.269212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  422.269220][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  422.269224][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  422.269228][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  422.269231][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  422.269234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  422.269237][   T12]  process_one_work (kernel/workqueue.c:3387)
[  422.269243][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  422.269246][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  422.269250][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  422.269254][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  422.269259][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  422.269262][   T12]  kthread (kernel/kthread.c:436)
[  422.269265][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  422.269269][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  422.269272][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  422.269277][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  422.269280][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  422.269285][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  422.269288][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  423.963790][T11101] softirqs last disabled at (0): 0x0
| [  423.963792][T11101] Preemption disabled at:
| [  423.963793][T11101] vprintk_emit (kernel/printk/printk.c:2471)
| [  423.963804][T11101] Tainted: [W]=WARN
[  423.963805][T11101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  423.963807][T11101] Call Trace:
[  423.963808][T11101]  <TASK>
[  423.963810][T11101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  423.963815][T11101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  423.963817][T11101]  __might_resched.cold (kernel/sched/core.c:9234)
[  423.963821][T11101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  423.963824][T11101]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  423.963828][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.963831][T11101]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  423.963834][T11101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  423.963837][T11101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  423.963843][T11101]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  423.963845][T11101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  423.963848][T11101]  put_chars (drivers/char/virtio_console.c:1176)
[  423.963849][T11101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  423.963851][T11101]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  423.963854][T11101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  423.963859][T11101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  423.963861][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.963863][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.963865][T11101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  423.963868][T11101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  423.963870][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.963872][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.963873][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.963874][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.963876][T11101]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  423.963878][T11101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  423.963881][T11101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  423.963884][T11101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  423.963886][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.963888][T11101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  423.963890][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.963891][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  423.963892][T11101]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  423.963894][T11101]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  423.963896][T11101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  423.963898][T11101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  423.963900][T11101]  vprintk_emit (kernel/printk/printk.c:2479)
[  423.963903][T11101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  423.963906][T11101]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  423.963910][T11101]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  423.963917][T11101]  _printk (kernel/printk/printk.c:2504)
[  423.963920][T11101]  ? snapshot_read.cold (user.c:?)
[  423.963923][T11101]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  423.963926][T11101]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  423.963929][T11101]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  423.963931][T11101]  ? netdev_notice (net/core/dev.c:13194)
[  423.963933][T11101]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  423.963936][T11101]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  423.963939][T11101]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  423.963941][T11101]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  423.963943][T11101]  netif_set_promiscuity (net/core/dev.c:9699)
[  423.963946][T11101]  dev_set_promiscuity (net/core/dev_api.c:288)
[  423.963948][T11101]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  423.963951][T11101] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  423.963957][T11101]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  423.963961][T11101] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  423.963965][T11101] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  423.963971][T11101]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  423.963975][T11101]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  423.963979][T11101]  ? security_capable (security/security.c:660 (discriminator 11))
[  423.963982][T11101]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  423.963984][T11101]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  423.963987][T11101]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  423.963991][T11101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  423.963994][T11101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  423.963997][T11101]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  423.964000][T11101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  423.964002][T11101]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  423.964004][T11101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  423.964007][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.964009][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.964010][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  423.964013][T11101]  genl_rcv (net/netlink/genetlink.c:1218)
[  423.964015][T11101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  423.964017][T11101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  423.964019][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.964021][T11101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  423.964023][T11101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  423.964025][T11101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  423.964027][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.964029][T11101]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  423.964032][T11101]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  423.964035][T11101]  __sys_sendto (net/socket.c:2281)
[  423.964038][T11101]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  423.964042][T11101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  423.964043][T11101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  423.964045][T11101]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  423.964047][T11101]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  423.964050][T11101]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  423.964058][T11101]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  423.964061][T11101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  423.964065][T11101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  423.964067][T11101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  423.964069][T11101] RIP: 0033:0x7f01b01f1312
[  423.964071][T11101] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  423.964073][T11101] RSP: 002b:00007fffe89a15e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  423.964077][T11101] RAX: ffffffffffffffda RBX: 00007fffe89a1718 RCX: 00007f01b01f1312
[  423.964079][T11101] RDX: 0000000000000028 RSI: 00007f01ac60c720 RDI: 0000000000000023
[  423.964080][T11101] RBP: 00007fffe89a1610 R08: 00007fffe89a1790 R09: 000000000000000c
[  423.964081][T11101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f01ae04dfd0
[  423.964082][T11101] R13: 00007fffe89a1718 R14: 00007f01afb1001a R15: 00007fffe89a1b08
| [  427.289997][T11209] softirqs last disabled at (0): 0x0
| [  427.289999][T11209] Preemption disabled at:
| [  427.290000][T11209] vprintk_emit (kernel/printk/printk.c:2471)
| [  427.290010][T11209] Tainted: [W]=WARN
[  427.290011][T11209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  427.290013][T11209] Call Trace:
[  427.290014][T11209]  <TASK>
[  427.290016][T11209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  427.290022][T11209]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  427.290023][T11209]  __might_resched.cold (kernel/sched/core.c:9234)
[  427.290027][T11209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  427.290031][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290034][T11209]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  427.290037][T11209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  427.290040][T11209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  427.290045][T11209]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  427.290047][T11209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  427.290049][T11209]  put_chars (drivers/char/virtio_console.c:1176)
[  427.290051][T11209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  427.290053][T11209]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  427.290059][T11209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  427.290064][T11209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  427.290066][T11209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  427.290068][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290070][T11209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.290072][T11209]  console_emit_next_record (kernel/printk/printk.c:3183)
[  427.290075][T11209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  427.290077][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290079][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290080][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290081][T11209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.290083][T11209]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  427.290085][T11209]  console_flush_one_record (kernel/printk/printk.c:3268)
[  427.290088][T11209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  427.290091][T11209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  427.290093][T11209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.290094][T11209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  427.290096][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290097][T11209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.290099][T11209]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  427.290100][T11209]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  427.290102][T11209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  427.290104][T11209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  427.290106][T11209]  vprintk_emit (kernel/printk/printk.c:2479)
[  427.290108][T11209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  427.290109][T11209]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  427.290111][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290112][T11209]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  427.290116][T11209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.290118][T11209]  _printk (kernel/printk/printk.c:2504)
[  427.290121][T11209]  ? snapshot_read.cold (user.c:?)
[  427.290123][T11209]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  427.290127][T11209]  ? idr_get_free (??:?)
[  427.290129][T11209]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  427.290132][T11209]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  427.290140][T11209]  ? nla_get_range_signed (lib/nlattr.c:270)
[  427.290144][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290145][T11209]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  427.290148][T11209]  __nla_validate_parse (lib/nlattr.c:635)
[  427.290151][T11209]  __nla_parse (lib/nlattr.c:732)
[  427.290154][T11209]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  427.290156][T11209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.290158][T11209]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  427.290160][T11209]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  427.290164][T11209]  ? security_capable (security/security.c:660 (discriminator 11))
[  427.290167][T11209]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  427.290169][T11209]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  427.290172][T11209]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  427.290180][T11209]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  427.290183][T11209]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  427.290185][T11209]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  427.290187][T11209]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  427.290189][T11209]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  427.290192][T11209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  427.290194][T11209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.290196][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290197][T11209]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  427.290199][T11209]  genl_rcv (net/netlink/genetlink.c:1218)
[  427.290201][T11209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  427.290204][T11209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  427.290206][T11209]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  427.290209][T11209]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  427.290211][T11209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  427.290213][T11209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  427.290214][T11209]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  427.290218][T11209]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  427.290221][T11209]  __sys_sendto (net/socket.c:2281)
[  427.290223][T11209]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  427.290227][T11209]  ? fput_close_sync (fs/file_table.c:617)
[  427.290230][T11209]  ? alloc_file_clone (fs/file_table.c:479)
[  427.290232][T11209]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  427.290234][T11209]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  427.290236][T11209]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  427.290237][T11209]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  427.290239][T11209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  427.290241][T11209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  427.290251][T11209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  427.290254][T11209] RIP: 0033:0x7f82be771312
[  427.290257][T11209] 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)
[  427.290260][T11209] RSP: 002b:00007fffd5d80a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  427.290264][T11209] RAX: ffffffffffffffda RBX: 00007fffd5d80bc8 RCX: 00007f82be771312
[  427.290266][T11209] RDX: 0000000000000044 RSI: 00007f82ba32aec0 RDI: 0000000000000020
[  427.290267][T11209] RBP: 00007fffd5d80ac0 R08: 00007fffd5d80c40 R09: 000000000000000c
[  427.290269][T11209] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f82bc5ce0b0
[  427.290270][T11209] R13: 00007fffd5d80bc8 R14: 00007f82be09001a R15: 00007fffd5d80fb8
| [  428.985121][T11266] softirqs last disabled at (0): 0x0
| [  428.985123][T11266] Preemption disabled at:
| [  428.985124][T11266] vprintk_emit (kernel/printk/printk.c:2471)
| [  428.985134][T11266] Tainted: [W]=WARN
[  428.985135][T11266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  428.985137][T11266] Call Trace:
[  428.985139][T11266]  <TASK>
[  428.985140][T11266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  428.985146][T11266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  428.985147][T11266]  __might_resched.cold (kernel/sched/core.c:9234)
[  428.985151][T11266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  428.985155][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985158][T11266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  428.985161][T11266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  428.985164][T11266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  428.985169][T11266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  428.985171][T11266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  428.985174][T11266]  put_chars (drivers/char/virtio_console.c:1176)
[  428.985176][T11266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  428.985177][T11266]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  428.985180][T11266]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  428.985183][T11266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  428.985188][T11266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  428.985190][T11266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  428.985192][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985193][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985194][T11266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.985197][T11266]  console_emit_next_record (kernel/printk/printk.c:3183)
[  428.985200][T11266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  428.985202][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985203][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985204][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985206][T11266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.985208][T11266]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  428.985210][T11266]  console_flush_one_record (kernel/printk/printk.c:3268)
[  428.985212][T11266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  428.985215][T11266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  428.985217][T11266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.985219][T11266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  428.985221][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985222][T11266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  428.985224][T11266]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  428.985225][T11266]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  428.985227][T11266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  428.985229][T11266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  428.985231][T11266]  vprintk_emit (kernel/printk/printk.c:2479)
[  428.985232][T11266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  428.985235][T11266]  _printk (kernel/printk/printk.c:2504)
[  428.985238][T11266]  ? snapshot_read.cold (user.c:?)
[  428.985240][T11266]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  428.985243][T11266]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  428.985247][T11266]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  428.985248][T11266]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  428.985251][T11266]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  428.985260][T11266]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  428.985262][T11266]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  428.985265][T11266]  ? netdev_notice (net/core/dev.c:13194)
[  428.985267][T11266]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  428.985275][T11266]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  428.985277][T11266]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  428.985279][T11266]  netif_set_promiscuity (net/core/dev.c:9699)
[  428.985282][T11266]  dev_set_promiscuity (net/core/dev_api.c:288)
[  428.985284][T11266]  ? dev_disable_lro (net/core/dev_api.c:267)
[  428.985285][T11266] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  428.985290][T11266] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  428.985294][T11266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  428.985296][T11266] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  428.985300][T11266]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  428.985304][T11266] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  428.985309][T11266]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  428.985312][T11266]  ? __nla_validate_parse (lib/nlattr.c:635)
[  428.985317][T11266]  ? __nla_parse (lib/nlattr.c:732)
[  428.985319][T11266]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  428.985323][T11266]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  428.985325][T11266]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  428.985329][T11266]  ? security_capable (security/security.c:660 (discriminator 11))
[  428.985332][T11266]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  428.985334][T11266]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  428.985337][T11266]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  428.985340][T11266]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  428.985343][T11266]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  428.985345][T11266]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  428.985348][T11266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  428.985350][T11266]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  428.985352][T11266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  428.985355][T11266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.985357][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985358][T11266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  428.985360][T11266]  genl_rcv (net/netlink/genetlink.c:1218)
[  428.985362][T11266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  428.985365][T11266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  428.985366][T11266]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  428.985370][T11266]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  428.985372][T11266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  428.985375][T11266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  428.985377][T11266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  428.985379][T11266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  428.985380][T11266]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  428.985383][T11266]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  428.985387][T11266]  __sys_sendto (net/socket.c:2281)
[  428.985389][T11266]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  428.985392][T11266]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  428.985395][T11266]  ? xfd_validate_state (arch/x86/kernel/fpu/xstate.c:1497 (discriminator 1) arch/x86/kernel/fpu/xstate.c:1543 (discriminator 1))
[  428.985400][T11266]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  428.985402][T11266]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  428.985403][T11266]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  428.985405][T11266]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  428.985406][T11266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  428.985410][T11266]  ? irq_exit_rcu (kernel/softirq.c:786)
[  428.985413][T11266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  428.985415][T11266] RIP: 0033:0x7fab0218d312
[  428.985417][T11266] 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)
[  428.985419][T11266] RSP: 002b:00007ffc94d8b5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  428.985423][T11266] RAX: ffffffffffffffda RBX: 00007ffc94d8b728 RCX: 00007fab0218d312
[  428.985424][T11266] RDX: 0000000000000038 RSI: 00007faafddf5430 RDI: 0000000000000023
[  428.985425][T11266] RBP: 00007ffc94d8b620 R08: 00007ffc94d8b7a0 R09: 000000000000000c
[  428.985426][T11266] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faafffea190
[  428.985427][T11266] R13: 00007ffc94d8b728 R14: 00007fab01aac01a R15: 00007ffc94d8bb18
| [  436.645172][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  436.645174][   T12] Preemption disabled at:
| [  436.645175][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.645190][   T12] Tainted: [W]=WARN
[  436.645191][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.645193][   T12] Workqueue: netns cleanup_net
[  436.645200][   T12] Call Trace:
[  436.645201][   T12]  <TASK>
[  436.645203][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.645209][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.645211][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.645215][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.645219][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  436.645221][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645224][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  436.645229][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.645234][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.645240][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  436.645243][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.645246][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  436.645248][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  436.645249][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.645251][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  436.645255][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.645261][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.645263][   T12]  ? 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)
[  436.645265][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  436.645268][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.645270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645272][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.645277][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.645282][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.645285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645290][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.645292][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  436.645295][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.645298][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.645308][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.645310][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.645312][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.645314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645316][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.645318][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  436.645320][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  436.645322][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.645325][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.645327][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.645330][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.645333][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  436.645337][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  436.645346][   T12]  _printk (kernel/printk/printk.c:2504)
[  436.645349][   T12]  ? snapshot_read.cold (user.c:?)
[  436.645353][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  436.645356][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  436.645359][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  436.645362][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  436.645364][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  436.645368][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  436.645371][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  436.645373][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  436.645377][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  436.645382][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  436.645385][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  436.645389][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  436.645396][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  436.645402][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645404][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  436.645408][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  436.645411][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  436.645413][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  436.645417][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  436.645419][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  436.645421][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.645425][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  436.645428][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.645431][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  436.645434][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  436.645437][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  436.645439][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  436.645442][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  436.645445][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  436.645447][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.645449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.645451][   T12]  process_one_work (kernel/workqueue.c:3387)
[  436.645455][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  436.645458][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  436.645460][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.645463][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  436.645467][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  436.645470][   T12]  kthread (kernel/kthread.c:436)
[  436.645473][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  436.645477][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  436.645480][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  436.645483][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  436.645485][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  436.645489][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  436.645491][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  438.243840][T11480] softirqs last disabled at (0): 0x0
| [  438.243842][T11480] Preemption disabled at:
| [  438.243843][T11480] vprintk_emit (kernel/printk/printk.c:2471)
| [  438.243853][T11480] Tainted: [W]=WARN
[  438.243854][T11480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  438.243856][T11480] Call Trace:
[  438.243858][T11480]  <TASK>
[  438.243859][T11480]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  438.243865][T11480]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  438.243866][T11480]  __might_resched.cold (kernel/sched/core.c:9234)
[  438.243870][T11480]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  438.243874][T11480]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  438.243877][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.243880][T11480]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  438.243883][T11480]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  438.243886][T11480]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.243891][T11480]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  438.243893][T11480]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  438.243896][T11480]  put_chars (drivers/char/virtio_console.c:1176)
[  438.243898][T11480]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  438.243899][T11480]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  438.243902][T11480]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  438.243907][T11480]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  438.243909][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.243910][T11480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.243913][T11480]  console_emit_next_record (kernel/printk/printk.c:3183)
[  438.243916][T11480]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  438.243918][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.243919][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.243921][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.243922][T11480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.243924][T11480]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  438.243926][T11480]  console_flush_one_record (kernel/printk/printk.c:3268)
[  438.243929][T11480]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  438.243932][T11480]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  438.243934][T11480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.243936][T11480]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  438.243938][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.243939][T11480]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.243941][T11480]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  438.243943][T11480]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  438.243944][T11480]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  438.243947][T11480]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  438.243948][T11480]  vprintk_emit (kernel/printk/printk.c:2479)
[  438.243950][T11480]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  438.243952][T11480]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  438.243956][T11480]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  438.243963][T11480]  _printk (kernel/printk/printk.c:2504)
[  438.243967][T11480]  ? snapshot_read.cold (user.c:?)
[  438.243969][T11480]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  438.243973][T11480]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  438.243975][T11480]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  438.243978][T11480]  ? netdev_notice (net/core/dev.c:13194)
[  438.243980][T11480]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  438.243983][T11480]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  438.243986][T11480]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  438.243988][T11480]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  438.243991][T11480]  netif_set_promiscuity (net/core/dev.c:9699)
[  438.243994][T11480]  dev_set_promiscuity (net/core/dev_api.c:288)
[  438.243996][T11480]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  438.244000][T11480] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  438.244007][T11480]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  438.244011][T11480] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  438.244016][T11480] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  438.244022][T11480]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  438.244026][T11480]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  438.244031][T11480]  ? security_capable (security/security.c:660 (discriminator 11))
[  438.244034][T11480]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  438.244037][T11480]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  438.244040][T11480]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  438.244044][T11480]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  438.244048][T11480]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  438.244052][T11480]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  438.244054][T11480]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  438.244060][T11480]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  438.244062][T11480]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  438.244066][T11480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.244068][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.244069][T11480]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.244072][T11480]  genl_rcv (net/netlink/genetlink.c:1218)
[  438.244074][T11480]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  438.244077][T11480]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  438.244079][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.244081][T11480]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  438.244084][T11480]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  438.244087][T11480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  438.244089][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.244091][T11480]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  438.244094][T11480]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  438.244097][T11480]  __sys_sendto (net/socket.c:2281)
[  438.244100][T11480]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  438.244105][T11480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  438.244106][T11480]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  438.244109][T11480]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  438.244111][T11480]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  438.244113][T11480]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  438.244115][T11480]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  438.244116][T11480]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  438.244120][T11480]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  438.244122][T11480]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  438.244124][T11480] RIP: 0033:0x7fb5324d9312
[  438.244126][T11480] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  438.244128][T11480] RSP: 002b:00007fffdc8539a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  438.244132][T11480] RAX: ffffffffffffffda RBX: 00007fffdc853ad8 RCX: 00007fb5324d9312
[  438.244134][T11480] RDX: 0000000000000028 RSI: 00007fb52e129530 RDI: 0000000000000023
[  438.244135][T11480] RBP: 00007fffdc8539d0 R08: 00007fffdc853b50 R09: 000000000000000c
[  438.244136][T11480] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb530335fd0
[  438.244137][T11480] R13: 00007fffdc853ad8 R14: 00007fb531df801a R15: 00007fffdc853ec8
| [  441.833189][T11600] softirqs last disabled at (0): 0x0
| [  441.833191][T11600] Preemption disabled at:
| [  441.833192][T11600] vprintk_emit (kernel/printk/printk.c:2471)
| [  441.833202][T11600] Tainted: [W]=WARN
[  441.833203][T11600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.833205][T11600] Call Trace:
[  441.833206][T11600]  <TASK>
[  441.833208][T11600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  441.833213][T11600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  441.833215][T11600]  __might_resched.cold (kernel/sched/core.c:9234)
[  441.833219][T11600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  441.833222][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833225][T11600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  441.833228][T11600]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  441.833231][T11600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.833236][T11600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  441.833238][T11600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  441.833240][T11600]  put_chars (drivers/char/virtio_console.c:1176)
[  441.833242][T11600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  441.833244][T11600]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  441.833247][T11600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  441.833252][T11600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  441.833254][T11600]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  441.833256][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833257][T11600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.833260][T11600]  console_emit_next_record (kernel/printk/printk.c:3183)
[  441.833263][T11600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  441.833265][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833266][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833267][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833268][T11600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.833271][T11600]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  441.833272][T11600]  console_flush_one_record (kernel/printk/printk.c:3268)
[  441.833275][T11600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  441.833278][T11600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  441.833280][T11600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.833282][T11600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  441.833283][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833284][T11600]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  441.833286][T11600]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  441.833288][T11600]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  441.833289][T11600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  441.833292][T11600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  441.833293][T11600]  vprintk_emit (kernel/printk/printk.c:2479)
[  441.833295][T11600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  441.833296][T11600]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  441.833298][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833299][T11600]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  441.833303][T11600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.833305][T11600]  _printk (kernel/printk/printk.c:2504)
[  441.833308][T11600]  ? snapshot_read.cold (user.c:?)
[  441.833310][T11600]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  441.833314][T11600]  ? idr_get_free (??:?)
[  441.833317][T11600]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  441.833320][T11600]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  441.833327][T11600]  ? nla_get_range_signed (lib/nlattr.c:270)
[  441.833339][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833340][T11600]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  441.833343][T11600]  __nla_validate_parse (lib/nlattr.c:635)
[  441.833347][T11600]  __nla_parse (lib/nlattr.c:732)
[  441.833349][T11600]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  441.833352][T11600]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  441.833354][T11600]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  441.833357][T11600]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  441.833361][T11600]  ? security_capable (security/security.c:660 (discriminator 11))
[  441.833364][T11600]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  441.833366][T11600]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  441.833370][T11600]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  441.833377][T11600]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  441.833380][T11600]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  441.833382][T11600]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  441.833385][T11600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  441.833387][T11600]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  441.833389][T11600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  441.833392][T11600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.833394][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833396][T11600]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  441.833398][T11600]  genl_rcv (net/netlink/genetlink.c:1218)
[  441.833400][T11600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  441.833402][T11600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  441.833404][T11600]  ? ttwu_queue_wakelist (kernel/sched/core.c:3968 kernel/sched/core.c:4070 kernel/sched/core.c:4066)
[  441.833406][T11600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  441.833409][T11600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  441.833411][T11600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  441.833413][T11600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  441.833414][T11600]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  441.833418][T11600]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  441.833421][T11600]  __sys_sendto (net/socket.c:2281)
[  441.833423][T11600]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  441.833426][T11600]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  441.833431][T11600]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  441.833433][T11600]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  441.833434][T11600]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  441.833436][T11600]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  441.833438][T11600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  441.833441][T11600]  ? irq_exit_rcu (kernel/softirq.c:786)
[  441.833443][T11600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  441.833446][T11600] RIP: 0033:0x7f1ed99c0312
[  441.833448][T11600] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  441.833450][T11600] RSP: 002b:00007fffaa9f45f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  441.833454][T11600] RAX: ffffffffffffffda RBX: 00007fffaa9f4728 RCX: 00007f1ed99c0312
[  441.833455][T11600] RDX: 0000000000000044 RSI: 00007f1ed556b4b0 RDI: 0000000000000020
[  441.833456][T11600] RBP: 00007fffaa9f4620 R08: 00007fffaa9f47a0 R09: 000000000000000c
[  441.833457][T11600] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1ed782e0b0
[  441.833458][T11600] R13: 00007fffaa9f4728 R14: 00007f1ed92df01a R15: 00007fffaa9f4b18
| [  442.944183][T11630] softirqs last disabled at (0): 0x0
| [  442.944184][T11630] Preemption disabled at:
| [  442.944185][T11630] vprintk_emit (kernel/printk/printk.c:2471)
| [  442.944197][T11630] Tainted: [W]=WARN
[  442.944198][T11630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  442.944200][T11630] Call Trace:
[  442.944201][T11630]  <TASK>
[  442.944203][T11630]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  442.944208][T11630]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  442.944210][T11630]  __might_resched.cold (kernel/sched/core.c:9234)
[  442.944214][T11630]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  442.944217][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944220][T11630]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  442.944223][T11630]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  442.944226][T11630]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  442.944232][T11630]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  442.944234][T11630]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  442.944236][T11630]  put_chars (drivers/char/virtio_console.c:1176)
[  442.944238][T11630]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  442.944240][T11630]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  442.944243][T11630]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  442.944245][T11630]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  442.944250][T11630]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  442.944252][T11630]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  442.944254][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944255][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944257][T11630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.944259][T11630]  console_emit_next_record (kernel/printk/printk.c:3183)
[  442.944262][T11630]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  442.944264][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944265][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944266][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944268][T11630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.944270][T11630]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  442.944272][T11630]  console_flush_one_record (kernel/printk/printk.c:3268)
[  442.944274][T11630]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  442.944277][T11630]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  442.944279][T11630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.944281][T11630]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  442.944283][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944284][T11630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  442.944286][T11630]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  442.944287][T11630]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  442.944289][T11630]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  442.944291][T11630]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  442.944292][T11630]  vprintk_emit (kernel/printk/printk.c:2479)
[  442.944294][T11630]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  442.944296][T11630]  _printk (kernel/printk/printk.c:2504)
[  442.944300][T11630]  ? snapshot_read.cold (user.c:?)
[  442.944302][T11630]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  442.944304][T11630]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  442.944309][T11630]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  442.944311][T11630]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  442.944314][T11630]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  442.944316][T11630]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  442.944319][T11630]  ? netdev_notice (net/core/dev.c:13194)
[  442.944320][T11630]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  442.944329][T11630]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  442.944331][T11630]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  442.944333][T11630]  netif_set_promiscuity (net/core/dev.c:9699)
[  442.944336][T11630]  dev_set_promiscuity (net/core/dev_api.c:288)
[  442.944347][T11630]  ? dev_disable_lro (net/core/dev_api.c:267)
[  442.944349][T11630] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  442.944356][T11630] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  442.944362][T11630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  442.944365][T11630] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  442.944372][T11630]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  442.944376][T11630] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  442.944380][T11630]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  442.944384][T11630]  ? __nla_validate_parse (lib/nlattr.c:635)
[  442.944388][T11630]  ? __nla_parse (lib/nlattr.c:732)
[  442.944390][T11630]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  442.944395][T11630]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  442.944397][T11630]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  442.944401][T11630]  ? security_capable (security/security.c:660 (discriminator 11))
[  442.944404][T11630]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  442.944406][T11630]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  442.944409][T11630]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  442.944412][T11630]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  442.944416][T11630]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  442.944418][T11630]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  442.944420][T11630]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  442.944422][T11630]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  442.944425][T11630]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  442.944428][T11630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.944430][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944432][T11630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  442.944434][T11630]  genl_rcv (net/netlink/genetlink.c:1218)
[  442.944436][T11630]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  442.944438][T11630]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  442.944440][T11630]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  442.944443][T11630]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  442.944446][T11630]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  442.944448][T11630]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  442.944450][T11630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  442.944452][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944454][T11630]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  442.944457][T11630]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  442.944460][T11630]  __sys_sendto (net/socket.c:2281)
[  442.944462][T11630]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  442.944466][T11630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  442.944468][T11630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  442.944470][T11630]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  442.944472][T11630]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  442.944474][T11630]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  442.944475][T11630]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  442.944477][T11630]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  442.944480][T11630]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  442.944482][T11630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  442.944485][T11630] RIP: 0033:0x7fd826553312
[  442.944487][T11630] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  442.944489][T11630] RSP: 002b:00007ffeb3ed4e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  442.944493][T11630] RAX: ffffffffffffffda RBX: 00007ffeb3ed4f68 RCX: 00007fd826553312
[  442.944495][T11630] RDX: 0000000000000038 RSI: 00007fd82219ac70 RDI: 0000000000000023
[  442.944496][T11630] RBP: 00007ffeb3ed4e60 R08: 00007ffeb3ed4fe0 R09: 000000000000000c
[  442.944497][T11630] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8243ba190
[  442.944498][T11630] R13: 00007ffeb3ed4f68 R14: 00007fd825e7201a R15: 00007ffeb3ed5358
| [  451.925323][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  451.925325][   T12] Preemption disabled at:
| [  451.925326][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  451.925338][   T12] Tainted: [W]=WARN
[  451.925339][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.925340][   T12] Workqueue: netns cleanup_net
[  451.925346][   T12] Call Trace:
[  451.925348][   T12]  <TASK>
[  451.925350][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  451.925356][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  451.925357][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  451.925361][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  451.925365][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  451.925367][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925370][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  451.925373][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.925376][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.925381][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  451.925383][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.925385][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  451.925387][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  451.925389][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  451.925394][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  451.925398][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  451.925403][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  451.925405][   T12]  ? 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)
[  451.925407][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  451.925409][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.925411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925413][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.925415][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  451.925418][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  451.925421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925424][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.925426][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  451.925428][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  451.925431][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  451.925434][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  451.925436][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.925437][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  451.925439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925441][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  451.925442][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  451.925444][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  451.925446][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  451.925448][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  451.925449][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  451.925451][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  451.925453][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  451.925455][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  451.925462][   T12]  _printk (kernel/printk/printk.c:2504)
[  451.925466][   T12]  ? snapshot_read.cold (user.c:?)
[  451.925468][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  451.925472][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  451.925474][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  451.925477][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  451.925478][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  451.925481][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  451.925484][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  451.925486][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  451.925488][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  451.925491][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  451.925493][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  451.925496][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  451.925502][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  451.925507][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925509][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  451.925512][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  451.925515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  451.925517][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  451.925519][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  451.925521][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  451.925523][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.925525][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  451.925526][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  451.925528][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  451.925531][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  451.925534][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  451.925536][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  451.925539][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  451.925541][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  451.925543][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.925545][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.925547][   T12]  process_one_work (kernel/workqueue.c:3387)
[  451.925552][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  451.925555][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  451.925558][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.925562][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  451.925567][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  451.925570][   T12]  kthread (kernel/kthread.c:436)
[  451.925573][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  451.925577][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  451.925579][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  451.925583][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  451.925585][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  451.925588][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  451.925590][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  453.396413][T11871] softirqs last disabled at (0): 0x0
| [  453.396415][T11871] Preemption disabled at:
| [  453.396416][T11871] vprintk_emit (kernel/printk/printk.c:2471)
| [  453.396426][T11871] Tainted: [W]=WARN
[  453.396428][T11871] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  453.396429][T11871] Call Trace:
[  453.396431][T11871]  <TASK>
[  453.396432][T11871]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  453.396438][T11871]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  453.396439][T11871]  __might_resched.cold (kernel/sched/core.c:9234)
[  453.396443][T11871]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  453.396447][T11871]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  453.396450][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396453][T11871]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  453.396456][T11871]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  453.396459][T11871]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.396464][T11871]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  453.396466][T11871]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.396469][T11871]  put_chars (drivers/char/virtio_console.c:1176)
[  453.396471][T11871]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  453.396473][T11871]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  453.396476][T11871]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  453.396481][T11871]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  453.396483][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396485][T11871]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.396488][T11871]  console_emit_next_record (kernel/printk/printk.c:3183)
[  453.396491][T11871]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  453.396493][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396494][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396496][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396497][T11871]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.396499][T11871]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  453.396501][T11871]  console_flush_one_record (kernel/printk/printk.c:3268)
[  453.396504][T11871]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  453.396507][T11871]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  453.396509][T11871]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.396511][T11871]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  453.396513][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396514][T11871]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  453.396516][T11871]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  453.396518][T11871]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  453.396520][T11871]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  453.396522][T11871]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  453.396523][T11871]  vprintk_emit (kernel/printk/printk.c:2479)
[  453.396525][T11871]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  453.396527][T11871]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  453.396531][T11871]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  453.396539][T11871]  _printk (kernel/printk/printk.c:2504)
[  453.396542][T11871]  ? snapshot_read.cold (user.c:?)
[  453.396545][T11871]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  453.396548][T11871]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  453.396551][T11871]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  453.396553][T11871]  ? netdev_notice (net/core/dev.c:13194)
[  453.396555][T11871]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  453.396558][T11871]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  453.396561][T11871]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  453.396563][T11871]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  453.396565][T11871]  netif_set_promiscuity (net/core/dev.c:9699)
[  453.396568][T11871]  dev_set_promiscuity (net/core/dev_api.c:288)
[  453.396570][T11871]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  453.396573][T11871] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  453.396579][T11871]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  453.396582][T11871] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  453.396587][T11871] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  453.396592][T11871]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  453.396596][T11871]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  453.396600][T11871]  ? security_capable (security/security.c:660 (discriminator 11))
[  453.396604][T11871]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  453.396607][T11871]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  453.396609][T11871]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  453.396613][T11871]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  453.396616][T11871]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  453.396620][T11871]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  453.396622][T11871]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  453.396624][T11871]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  453.396626][T11871]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  453.396629][T11871]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.396631][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396632][T11871]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  453.396634][T11871]  genl_rcv (net/netlink/genetlink.c:1218)
[  453.396636][T11871]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  453.396639][T11871]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  453.396641][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396642][T11871]  ? 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)
[  453.396644][T11871]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  453.396647][T11871]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  453.396649][T11871]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.396651][T11871]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.396653][T11871]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  453.396656][T11871]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  453.396659][T11871]  __sys_sendto (net/socket.c:2281)
[  453.396661][T11871]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  453.396664][T11871]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  453.396668][T11871]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  453.396670][T11871]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  453.396673][T11871]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  453.396675][T11871]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  453.396677][T11871]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  453.396680][T11871]  ? irq_exit_rcu (kernel/softirq.c:786)
[  453.396683][T11871]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  453.396685][T11871] RIP: 0033:0x7f2d442da312
[  453.396687][T11871] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  453.396689][T11871] RSP: 002b:00007ffd2c487f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  453.396693][T11871] RAX: ffffffffffffffda RBX: 00007ffd2c488068 RCX: 00007f2d442da312
[  453.396694][T11871] RDX: 0000000000000028 RSI: 00007f2d407391d0 RDI: 0000000000000023
[  453.396696][T11871] RBP: 00007ffd2c487f60 R08: 00007ffd2c4880e0 R09: 000000000000000c
[  453.396697][T11871] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d4213dfd0
[  453.396697][T11871] R13: 00007ffd2c488068 R14: 00007f2d43bf901a R15: 00007ffd2c488458
| [  456.731526][T11979] softirqs last disabled at (0): 0x0
| [  456.731528][T11979] Preemption disabled at:
| [  456.731530][T11979] vprintk_emit (kernel/printk/printk.c:2471)
| [  456.731544][T11979] Tainted: [W]=WARN
[  456.731545][T11979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  456.731548][T11979] Call Trace:
[  456.731550][T11979]  <TASK>
[  456.731552][T11979]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  456.731559][T11979]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  456.731561][T11979]  __might_resched.cold (kernel/sched/core.c:9234)
[  456.731566][T11979]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  456.731570][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731574][T11979]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  456.731578][T11979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.731582][T11979]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.731588][T11979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  456.731590][T11979]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  456.731594][T11979]  put_chars (drivers/char/virtio_console.c:1176)
[  456.731597][T11979]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  456.731600][T11979]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  456.731605][T11979]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  456.731611][T11979]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  456.731615][T11979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  456.731617][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731620][T11979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.731624][T11979]  console_emit_next_record (kernel/printk/printk.c:3183)
[  456.731628][T11979]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  456.731631][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731633][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731635][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731637][T11979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.731640][T11979]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  456.731643][T11979]  console_flush_one_record (kernel/printk/printk.c:3268)
[  456.731647][T11979]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  456.731652][T11979]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  456.731655][T11979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.731657][T11979]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  456.731660][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731662][T11979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  456.731665][T11979]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  456.731667][T11979]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  456.731670][T11979]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  456.731673][T11979]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  456.731676][T11979]  vprintk_emit (kernel/printk/printk.c:2479)
[  456.731679][T11979]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  456.731681][T11979]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  456.731684][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731686][T11979]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  456.731691][T11979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.731695][T11979]  _printk (kernel/printk/printk.c:2504)
[  456.731699][T11979]  ? snapshot_read.cold (user.c:?)
[  456.731702][T11979]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  456.731708][T11979]  ? idr_get_free (??:?)
[  456.731711][T11979]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  456.731715][T11979]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  456.731724][T11979]  ? nla_get_range_signed (lib/nlattr.c:270)
[  456.731730][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731732][T11979]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  456.731737][T11979]  __nla_validate_parse (lib/nlattr.c:635)
[  456.731742][T11979]  __nla_parse (lib/nlattr.c:732)
[  456.731745][T11979]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  456.731749][T11979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  456.731752][T11979]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  456.731756][T11979]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  456.731762][T11979]  ? security_capable (security/security.c:660 (discriminator 11))
[  456.731766][T11979]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  456.731770][T11979]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  456.731774][T11979]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  456.731785][T11979]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  456.731789][T11979]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  456.731793][T11979]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  456.731796][T11979]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  456.731799][T11979]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  456.731802][T11979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  456.731807][T11979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.731809][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731812][T11979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  456.731815][T11979]  genl_rcv (net/netlink/genetlink.c:1218)
[  456.731818][T11979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  456.731822][T11979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  456.731826][T11979]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  456.731830][T11979]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  456.731833][T11979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  456.731836][T11979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  456.731839][T11979]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  456.731843][T11979]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  456.731847][T11979]  __sys_sendto (net/socket.c:2281)
[  456.731850][T11979]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  456.731857][T11979]  ? fput_close_sync (fs/file_table.c:617)
[  456.731861][T11979]  ? alloc_file_clone (fs/file_table.c:479)
[  456.731865][T11979]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  456.731868][T11979]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  456.731870][T11979]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  456.731873][T11979]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  456.731875][T11979]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  456.731879][T11979]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  456.731882][T11979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  456.731886][T11979] RIP: 0033:0x7f1605fe5312
[  456.731889][T11979] 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)
[  456.731892][T11979] RSP: 002b:00007ffdeaeed128 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  456.731896][T11979] RAX: ffffffffffffffda RBX: 00007ffdeaeed258 RCX: 00007f1605fe5312
[  456.731899][T11979] RDX: 0000000000000044 RSI: 00007f1601ba7410 RDI: 0000000000000020
[  456.731901][T11979] RBP: 00007ffdeaeed150 R08: 00007ffdeaeed2d0 R09: 000000000000000c
[  456.731902][T11979] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1603e420b0
[  456.731904][T11979] R13: 00007ffdeaeed258 R14: 00007f160590401a R15: 00007ffdeaeed648
| [  457.847628][T12009] softirqs last disabled at (0): 0x0
| [  457.847631][T12009] Preemption disabled at:
| [  457.847632][T12009] vprintk_emit (kernel/printk/printk.c:2471)
| [  457.847646][T12009] Tainted: [W]=WARN
[  457.847647][T12009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  457.847650][T12009] Call Trace:
[  457.847651][T12009]  <TASK>
[  457.847654][T12009]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  457.847662][T12009]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  457.847664][T12009]  __might_resched.cold (kernel/sched/core.c:9234)
[  457.847670][T12009]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  457.847675][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847679][T12009]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  457.847684][T12009]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  457.847688][T12009]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.847695][T12009]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  457.847698][T12009]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  457.847702][T12009]  put_chars (drivers/char/virtio_console.c:1176)
[  457.847705][T12009]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  457.847708][T12009]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  457.847712][T12009]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  457.847716][T12009]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  457.847723][T12009]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  457.847727][T12009]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  457.847730][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847733][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847735][T12009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.847740][T12009]  console_emit_next_record (kernel/printk/printk.c:3183)
[  457.847745][T12009]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  457.847749][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847751][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847754][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847756][T12009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.847760][T12009]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  457.847763][T12009]  console_flush_one_record (kernel/printk/printk.c:3268)
[  457.847768][T12009]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  457.847773][T12009]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  457.847776][T12009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.847779][T12009]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  457.847782][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847784][T12009]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.847787][T12009]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  457.847790][T12009]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  457.847793][T12009]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  457.847797][T12009]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  457.847800][T12009]  vprintk_emit (kernel/printk/printk.c:2479)
[  457.847803][T12009]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  457.847808][T12009]  _printk (kernel/printk/printk.c:2504)
[  457.847813][T12009]  ? snapshot_read.cold (user.c:?)
[  457.847816][T12009]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  457.847820][T12009]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  457.847826][T12009]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  457.847829][T12009]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  457.847834][T12009]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  457.847838][T12009]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  457.847842][T12009]  ? netdev_notice (net/core/dev.c:13194)
[  457.847845][T12009]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  457.847858][T12009]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  457.847861][T12009]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  457.847865][T12009]  netif_set_promiscuity (net/core/dev.c:9699)
[  457.847870][T12009]  dev_set_promiscuity (net/core/dev_api.c:288)
[  457.847873][T12009]  ? dev_disable_lro (net/core/dev_api.c:267)
[  457.847876][T12009] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  457.847884][T12009] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  457.847892][T12009]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.847896][T12009] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  457.847904][T12009]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  457.847912][T12009] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  457.847920][T12009]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  457.847927][T12009]  ? __nla_validate_parse (lib/nlattr.c:635)
[  457.847933][T12009]  ? __nla_parse (lib/nlattr.c:732)
[  457.847936][T12009]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  457.847942][T12009]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  457.847946][T12009]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  457.847952][T12009]  ? security_capable (security/security.c:660 (discriminator 11))
[  457.847957][T12009]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  457.847961][T12009]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  457.847964][T12009]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  457.847971][T12009]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  457.847975][T12009]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  457.847979][T12009]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  457.847982][T12009]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  457.847986][T12009]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  457.847989][T12009]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  457.847994][T12009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.847996][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.847999][T12009]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.848002][T12009]  genl_rcv (net/netlink/genetlink.c:1218)
[  457.848005][T12009]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  457.848009][T12009]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  457.848012][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.848015][T12009]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  457.848019][T12009]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  457.848022][T12009]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  457.848026][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.848029][T12009]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  457.848032][T12009]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  457.848037][T12009]  __sys_sendto (net/socket.c:2281)
[  457.848041][T12009]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  457.848048][T12009]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  457.848051][T12009]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  457.848060][T12009]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  457.848063][T12009]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  457.848068][T12009]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  457.848071][T12009]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  457.848073][T12009]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  457.848078][T12009]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  457.848082][T12009]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  457.848085][T12009] RIP: 0033:0x7f2be351a312
[  457.848089][T12009] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  457.848092][T12009] RSP: 002b:00007ffc6fcfc248 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  457.848097][T12009] RAX: ffffffffffffffda RBX: 00007ffc6fcfc378 RCX: 00007f2be351a312
[  457.848100][T12009] RDX: 0000000000000038 RSI: 00007f2bd8f072b0 RDI: 0000000000000023
[  457.848102][T12009] RBP: 00007ffc6fcfc270 R08: 00007ffc6fcfc3f0 R09: 000000000000000c
[  457.848104][T12009] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2be137e190
[  457.848105][T12009] R13: 00007ffc6fcfc378 R14: 00007f2be2e3901a R15: 00007ffc6fcfc768
| [  466.633499][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  466.633501][   T12] Preemption disabled at:
| [  466.633502][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.633514][   T12] Tainted: [W]=WARN
[  466.633515][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.633518][   T12] Workqueue: netns cleanup_net
[  466.633524][   T12] Call Trace:
[  466.633525][   T12]  <TASK>
[  466.633527][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.633533][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.633534][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.633538][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.633542][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  466.633544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633547][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  466.633550][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.633554][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.633559][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  466.633561][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.633564][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  466.633565][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  466.633567][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.633569][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  466.633572][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.633577][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.633579][   T12]  ? 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)
[  466.633581][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  466.633584][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.633585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633587][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.633590][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.633593][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.633595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633596][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633597][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633599][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.633601][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  466.633603][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.633606][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.633609][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.633611][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.633613][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.633614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633616][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  466.633618][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  466.633620][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  466.633621][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.633624][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.633625][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.633627][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.633629][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  466.633631][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  466.633639][   T12]  _printk (kernel/printk/printk.c:2504)
[  466.633642][   T12]  ? snapshot_read.cold (user.c:?)
[  466.633645][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  466.633648][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  466.633650][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  466.633653][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  466.633655][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  466.633658][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  466.633661][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  466.633663][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  466.633666][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  466.633669][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  466.633671][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  466.633674][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  466.633681][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  466.633686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633688][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  466.633692][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  466.633694][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  466.633696][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  466.633699][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  466.633701][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  466.633703][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.633705][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  466.633706][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.633708][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  466.633712][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  466.633714][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  466.633716][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  466.633720][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  466.633722][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  466.633724][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  466.633727][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.633729][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.633731][   T12]  process_one_work (kernel/workqueue.c:3387)
[  466.633735][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  466.633738][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  466.633741][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.633743][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  466.633747][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  466.633749][   T12]  kthread (kernel/kthread.c:436)
[  466.633751][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  466.633755][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  466.633757][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  466.633760][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  466.633762][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  466.633766][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  466.633768][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  468.114297][T12249] softirqs last disabled at (0): 0x0
| [  468.114299][T12249] Preemption disabled at:
| [  468.114300][T12249] vprintk_emit (kernel/printk/printk.c:2471)
| [  468.114311][T12249] Tainted: [W]=WARN
[  468.114312][T12249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  468.114314][T12249] Call Trace:
[  468.114315][T12249]  <TASK>
[  468.114316][T12249]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  468.114322][T12249]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  468.114324][T12249]  __might_resched.cold (kernel/sched/core.c:9234)
[  468.114328][T12249]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  468.114331][T12249]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  468.114335][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114338][T12249]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  468.114340][T12249]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  468.114343][T12249]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.114348][T12249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  468.114350][T12249]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  468.114353][T12249]  put_chars (drivers/char/virtio_console.c:1176)
[  468.114354][T12249]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  468.114356][T12249]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  468.114359][T12249]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  468.114364][T12249]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  468.114366][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114367][T12249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.114370][T12249]  console_emit_next_record (kernel/printk/printk.c:3183)
[  468.114373][T12249]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  468.114375][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114376][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114377][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114378][T12249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.114380][T12249]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  468.114382][T12249]  console_flush_one_record (kernel/printk/printk.c:3268)
[  468.114385][T12249]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  468.114388][T12249]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  468.114390][T12249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.114392][T12249]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  468.114394][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114395][T12249]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  468.114396][T12249]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  468.114398][T12249]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  468.114399][T12249]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  468.114401][T12249]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  468.114403][T12249]  vprintk_emit (kernel/printk/printk.c:2479)
[  468.114405][T12249]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  468.114407][T12249]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  468.114410][T12249]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  468.114417][T12249]  _printk (kernel/printk/printk.c:2504)
[  468.114420][T12249]  ? snapshot_read.cold (user.c:?)
[  468.114422][T12249]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  468.114426][T12249]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  468.114428][T12249]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  468.114430][T12249]  ? netdev_notice (net/core/dev.c:13194)
[  468.114432][T12249]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  468.114435][T12249]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  468.114438][T12249]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  468.114440][T12249]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  468.114442][T12249]  netif_set_promiscuity (net/core/dev.c:9699)
[  468.114445][T12249]  dev_set_promiscuity (net/core/dev_api.c:288)
[  468.114447][T12249]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  468.114450][T12249] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  468.114456][T12249]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  468.114459][T12249] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  468.114464][T12249] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  468.114469][T12249]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  468.114473][T12249]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  468.114477][T12249]  ? security_capable (security/security.c:660 (discriminator 11))
[  468.114480][T12249]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  468.114483][T12249]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  468.114485][T12249]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  468.114496][T12249]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  468.114500][T12249]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  468.114505][T12249]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  468.114508][T12249]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  468.114511][T12249]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  468.114514][T12249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  468.114519][T12249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.114521][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114524][T12249]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  468.114527][T12249]  genl_rcv (net/netlink/genetlink.c:1218)
[  468.114530][T12249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  468.114532][T12249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  468.114535][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114537][T12249]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  468.114539][T12249]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  468.114541][T12249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  468.114543][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114545][T12249]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  468.114548][T12249]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  468.114551][T12249]  __sys_sendto (net/socket.c:2281)
[  468.114553][T12249]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  468.114558][T12249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  468.114559][T12249]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  468.114562][T12249]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  468.114564][T12249]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  468.114567][T12249]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  468.114568][T12249]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  468.114570][T12249]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  468.114574][T12249]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  468.114576][T12249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  468.114578][T12249] RIP: 0033:0x7f47b41e9312
[  468.114581][T12249] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  468.114583][T12249] RSP: 002b:00007ffe28c520e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  468.114586][T12249] RAX: ffffffffffffffda RBX: 00007ffe28c52218 RCX: 00007f47b41e9312
[  468.114588][T12249] RDX: 0000000000000028 RSI: 00007f47b063cf90 RDI: 0000000000000023
[  468.114589][T12249] RBP: 00007ffe28c52110 R08: 00007ffe28c52290 R09: 000000000000000c
[  468.114590][T12249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f47b2045fd0
[  468.114591][T12249] R13: 00007ffe28c52218 R14: 00007f47b3b0801a R15: 00007ffe28c52608
| [  471.821131][T12369] softirqs last disabled at (0): 0x0
| [  471.821133][T12369] Preemption disabled at:
| [  471.821134][T12369] vprintk_emit (kernel/printk/printk.c:2471)
| [  471.821145][T12369] Tainted: [W]=WARN
[  471.821146][T12369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  471.821148][T12369] Call Trace:
[  471.821149][T12369]  <TASK>
[  471.821150][T12369]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  471.821156][T12369]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  471.821158][T12369]  __might_resched.cold (kernel/sched/core.c:9234)
[  471.821162][T12369]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  471.821166][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821169][T12369]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  471.821172][T12369]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.821176][T12369]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.821181][T12369]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  471.821183][T12369]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.821186][T12369]  put_chars (drivers/char/virtio_console.c:1176)
[  471.821188][T12369]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  471.821190][T12369]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  471.821193][T12369]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  471.821199][T12369]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  471.821201][T12369]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.821203][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821204][T12369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.821207][T12369]  console_emit_next_record (kernel/printk/printk.c:3183)
[  471.821211][T12369]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  471.821213][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821214][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821215][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821217][T12369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.821219][T12369]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  471.821221][T12369]  console_flush_one_record (kernel/printk/printk.c:3268)
[  471.821224][T12369]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  471.821226][T12369]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  471.821228][T12369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.821230][T12369]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  471.821232][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821233][T12369]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.821235][T12369]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  471.821237][T12369]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  471.821238][T12369]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  471.821240][T12369]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  471.821242][T12369]  vprintk_emit (kernel/printk/printk.c:2479)
[  471.821244][T12369]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  471.821245][T12369]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  471.821247][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821248][T12369]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  471.821252][T12369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.821254][T12369]  _printk (kernel/printk/printk.c:2504)
[  471.821257][T12369]  ? snapshot_read.cold (user.c:?)
[  471.821258][T12369]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  471.821263][T12369]  ? idr_get_free (??:?)
[  471.821265][T12369]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  471.821268][T12369]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  471.821276][T12369]  ? nla_get_range_signed (lib/nlattr.c:270)
[  471.821280][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821281][T12369]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  471.821284][T12369]  __nla_validate_parse (lib/nlattr.c:635)
[  471.821288][T12369]  __nla_parse (lib/nlattr.c:732)
[  471.821290][T12369]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  471.821293][T12369]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.821295][T12369]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  471.821297][T12369]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  471.821300][T12369]  ? security_capable (security/security.c:660 (discriminator 11))
[  471.821303][T12369]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  471.821306][T12369]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  471.821309][T12369]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  471.821316][T12369]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  471.821318][T12369]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  471.821320][T12369]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  471.821322][T12369]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  471.821325][T12369]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  471.821327][T12369]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  471.821329][T12369]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  471.821332][T12369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  471.821334][T12369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.821336][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821337][T12369]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.821340][T12369]  genl_rcv (net/netlink/genetlink.c:1218)
[  471.821341][T12369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  471.821344][T12369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  471.821347][T12369]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  471.821349][T12369]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  471.821351][T12369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.821353][T12369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.821355][T12369]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  471.821358][T12369]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  471.821361][T12369]  __sys_sendto (net/socket.c:2281)
[  471.821363][T12369]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  471.821367][T12369]  ? fput_close_sync (fs/file_table.c:617)
[  471.821370][T12369]  ? alloc_file_clone (fs/file_table.c:479)
[  471.821372][T12369]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  471.821374][T12369]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  471.821376][T12369]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  471.821378][T12369]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  471.821379][T12369]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  471.821381][T12369]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  471.821383][T12369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  471.821386][T12369] RIP: 0033:0x7f5ce8121312
[  471.821388][T12369] 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)
[  471.821390][T12369] RSP: 002b:00007fffb4376b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  471.821394][T12369] RAX: ffffffffffffffda RBX: 00007fffb4376c68 RCX: 00007f5ce8121312
[  471.821396][T12369] RDX: 0000000000000044 RSI: 00007f5ce44b71e0 RDI: 0000000000000020
[  471.821397][T12369] RBP: 00007fffb4376b60 R08: 00007fffb4376ce0 R09: 000000000000000c
[  471.821398][T12369] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ce5f7e0b0
[  471.821399][T12369] R13: 00007fffb4376c68 R14: 00007f5ce7a4001a R15: 00007fffb4377058
| [  472.963049][T12401] softirqs last disabled at (0): 0x0
| [  472.963052][T12401] Preemption disabled at:
| [  472.963052][T12401] vprintk_emit (kernel/printk/printk.c:2471)
| [  472.963068][T12401] Tainted: [W]=WARN
[  472.963069][T12401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  472.963071][T12401] Call Trace:
[  472.963073][T12401]  <TASK>
[  472.963074][T12401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  472.963081][T12401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  472.963082][T12401]  __might_resched.cold (kernel/sched/core.c:9234)
[  472.963087][T12401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  472.963091][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963094][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))
[  472.963097][T12401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.963101][T12401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.963106][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)
[  472.963108][T12401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.963112][T12401]  put_chars (drivers/char/virtio_console.c:1176)
[  472.963113][T12401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  472.963115][T12401]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  472.963119][T12401]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  472.963121][T12401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  472.963127][T12401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  472.963130][T12401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.963132][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963133][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963135][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.963138][T12401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  472.963141][T12401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  472.963144][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963145][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963146][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963148][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.963150][T12401]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  472.963153][T12401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  472.963156][T12401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  472.963160][T12401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  472.963162][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.963164][T12401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  472.963166][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963168][T12401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.963170][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)
[  472.963172][T12401]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  472.963174][T12401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  472.963176][T12401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  472.963178][T12401]  vprintk_emit (kernel/printk/printk.c:2479)
[  472.963180][T12401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  472.963183][T12401]  _printk (kernel/printk/printk.c:2504)
[  472.963186][T12401]  ? snapshot_read.cold (user.c:?)
[  472.963189][T12401]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  472.963192][T12401]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  472.963196][T12401]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  472.963198][T12401]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  472.963202][T12401]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  472.963205][T12401]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  472.963208][T12401]  ? netdev_notice (net/core/dev.c:13194)
[  472.963210][T12401]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  472.963220][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)
[  472.963222][T12401]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  472.963225][T12401]  netif_set_promiscuity (net/core/dev.c:9699)
[  472.963228][T12401]  dev_set_promiscuity (net/core/dev_api.c:288)
[  472.963230][T12401]  ? dev_disable_lro (net/core/dev_api.c:267)
[  472.963232][T12401] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  472.963238][T12401] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  472.963242][T12401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.963244][T12401] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  472.963250][T12401]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  472.963255][T12401] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  472.963260][T12401]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  472.963265][T12401]  ? __nla_validate_parse (lib/nlattr.c:635)
[  472.963270][T12401]  ? __nla_parse (lib/nlattr.c:732)
[  472.963272][T12401]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  472.963277][T12401]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  472.963280][T12401]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  472.963284][T12401]  ? security_capable (security/security.c:660 (discriminator 11))
[  472.963288][T12401]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  472.963291][T12401]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  472.963294][T12401]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  472.963298][T12401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  472.963303][T12401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  472.963307][T12401]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  472.963311][T12401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  472.963314][T12401]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  472.963318][T12401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  472.963324][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.963327][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963330][T12401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.963334][T12401]  genl_rcv (net/netlink/genetlink.c:1218)
[  472.963338][T12401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  472.963341][T12401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  472.963343][T12401]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  472.963346][T12401]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  472.963349][T12401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  472.963352][T12401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  472.963355][T12401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.963357][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963359][T12401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  472.963363][T12401]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  472.963366][T12401]  __sys_sendto (net/socket.c:2281)
[  472.963369][T12401]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  472.963374][T12401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.963376][T12401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.963378][T12401]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  472.963381][T12401]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  472.963383][T12401]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  472.963385][T12401]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  472.963386][T12401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  472.963391][T12401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  472.963393][T12401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  472.963396][T12401] RIP: 0033:0x7f5ffb080312
[  472.963399][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)
[  472.963401][T12401] RSP: 002b:00007fff4487af78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  472.963406][T12401] RAX: ffffffffffffffda RBX: 00007fff4487b0a8 RCX: 00007f5ffb080312
[  472.963408][T12401] RDX: 0000000000000038 RSI: 00007f5ff84d36b0 RDI: 0000000000000023
[  472.963409][T12401] RBP: 00007fff4487afa0 R08: 00007fff4487b120 R09: 000000000000000c
[  472.963410][T12401] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ff8eee190
[  472.963411][T12401] R13: 00007fff4487b0a8 R14: 00007f5ffa99f01a R15: 00007fff4487b498
| [  482.002987][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  482.002989][   T12] Preemption disabled at:
| [  482.002990][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.003001][   T12] Tainted: [W]=WARN
[  482.003002][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.003003][   T12] Workqueue: netns cleanup_net
[  482.003010][   T12] Call Trace:
[  482.003011][   T12]  <TASK>
[  482.003013][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.003019][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.003020][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.003024][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.003027][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  482.003029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003032][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  482.003035][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.003038][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.003043][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  482.003044][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.003047][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  482.003049][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  482.003051][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.003053][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  482.003060][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.003065][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.003068][   T12]  ? 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)
[  482.003069][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  482.003072][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.003074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003075][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.003078][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.003081][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.003084][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003085][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003087][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.003089][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  482.003091][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.003094][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.003097][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.003099][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.003101][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.003103][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003104][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.003106][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  482.003107][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  482.003109][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.003111][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.003113][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.003115][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.003116][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  482.003118][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  482.003126][   T12]  _printk (kernel/printk/printk.c:2504)
[  482.003129][   T12]  ? snapshot_read.cold (user.c:?)
[  482.003131][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  482.003135][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  482.003137][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  482.003140][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  482.003141][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  482.003144][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  482.003147][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  482.003149][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  482.003151][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  482.003154][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  482.003156][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  482.003160][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  482.003166][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  482.003171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003172][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  482.003176][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  482.003178][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  482.003180][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  482.003183][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  482.003185][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  482.003186][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.003188][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  482.003190][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.003192][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  482.003195][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  482.003197][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  482.003199][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  482.003202][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  482.003204][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  482.003206][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  482.003209][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.003210][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.003212][   T12]  process_one_work (kernel/workqueue.c:3387)
[  482.003216][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  482.003219][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  482.003221][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.003224][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  482.003227][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  482.003229][   T12]  kthread (kernel/kthread.c:436)
[  482.003231][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.003234][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  482.003237][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  482.003240][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  482.003242][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  482.003245][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  482.003247][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  483.570921][T12641] softirqs last disabled at (0): 0x0
| [  483.570923][T12641] Preemption disabled at:
| [  483.570925][T12641] vprintk_emit (kernel/printk/printk.c:2471)
| [  483.570939][T12641] Tainted: [W]=WARN
[  483.570941][T12641] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.570944][T12641] Call Trace:
[  483.570946][T12641]  <TASK>
[  483.570948][T12641]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.570956][T12641]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  483.570958][T12641]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.570964][T12641]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.570968][T12641]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  483.570974][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.570978][T12641]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  483.570982][T12641]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.570987][T12641]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.570993][T12641]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  483.570997][T12641]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.571001][T12641]  put_chars (drivers/char/virtio_console.c:1176)
[  483.571004][T12641]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.571007][T12641]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  483.571012][T12641]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.571019][T12641]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.571022][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571025][T12641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.571029][T12641]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.571034][T12641]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.571038][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571041][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571043][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571045][T12641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.571049][T12641]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  483.571052][T12641]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.571062][T12641]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.571067][T12641]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.571070][T12641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.571073][T12641]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.571076][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571078][T12641]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.571081][T12641]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  483.571084][T12641]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  483.571087][T12641]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.571090][T12641]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.571093][T12641]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.571096][T12641]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.571100][T12641]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  483.571104][T12641]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  483.571116][T12641]  _printk (kernel/printk/printk.c:2504)
[  483.571121][T12641]  ? snapshot_read.cold (user.c:?)
[  483.571125][T12641]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  483.571130][T12641]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  483.571134][T12641]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  483.571138][T12641]  ? netdev_notice (net/core/dev.c:13194)
[  483.571140][T12641]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  483.571145][T12641]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  483.571150][T12641]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  483.571153][T12641]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  483.571157][T12641]  netif_set_promiscuity (net/core/dev.c:9699)
[  483.571162][T12641]  dev_set_promiscuity (net/core/dev_api.c:288)
[  483.571165][T12641]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  483.571170][T12641] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  483.571181][T12641]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  483.571188][T12641] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  483.571196][T12641] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  483.571206][T12641]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  483.571212][T12641]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  483.571218][T12641]  ? security_capable (security/security.c:660 (discriminator 11))
[  483.571223][T12641]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  483.571227][T12641]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  483.571231][T12641]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  483.571238][T12641]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  483.571242][T12641]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  483.571248][T12641]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  483.571252][T12641]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  483.571255][T12641]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  483.571259][T12641]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  483.571265][T12641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.571268][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571270][T12641]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.571274][T12641]  genl_rcv (net/netlink/genetlink.c:1218)
[  483.571277][T12641]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  483.571281][T12641]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  483.571285][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571289][T12641]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  483.571294][T12641]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  483.571297][T12641]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.571301][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571304][T12641]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  483.571308][T12641]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  483.571312][T12641]  __sys_sendto (net/socket.c:2281)
[  483.571316][T12641]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  483.571324][T12641]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.571327][T12641]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.571331][T12641]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  483.571334][T12641]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  483.571339][T12641]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  483.571342][T12641]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  483.571345][T12641]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  483.571349][T12641]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  483.571353][T12641]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  483.571357][T12641] RIP: 0033:0x7f7bde54b312
[  483.571361][T12641] 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)
[  483.571364][T12641] RSP: 002b:00007ffc8fbc5268 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  483.571370][T12641] RAX: ffffffffffffffda RBX: 00007ffc8fbc5398 RCX: 00007f7bde54b312
[  483.571373][T12641] RDX: 0000000000000028 RSI: 00007f7bda1b13e0 RDI: 0000000000000023
[  483.571375][T12641] RBP: 00007ffc8fbc5290 R08: 00007ffc8fbc5410 R09: 000000000000000c
[  483.571377][T12641] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7bdc3adfd0
[  483.571379][T12641] R13: 00007ffc8fbc5398 R14: 00007f7bdde6a01a R15: 00007ffc8fbc5788
| [  486.796119][T12749] softirqs last disabled at (0): 0x0
| [  486.796121][T12749] Preemption disabled at:
| [  486.796122][T12749] vprintk_emit (kernel/printk/printk.c:2471)
| [  486.796133][T12749] Tainted: [W]=WARN
[  486.796134][T12749] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  486.796135][T12749] Call Trace:
[  486.796137][T12749]  <TASK>
[  486.796138][T12749]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  486.796144][T12749]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  486.796146][T12749]  __might_resched.cold (kernel/sched/core.c:9234)
[  486.796150][T12749]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  486.796153][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796156][T12749]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  486.796160][T12749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.796163][T12749]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.796168][T12749]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  486.796170][T12749]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.796173][T12749]  put_chars (drivers/char/virtio_console.c:1176)
[  486.796175][T12749]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  486.796176][T12749]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  486.796179][T12749]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  486.796184][T12749]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  486.796187][T12749]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.796188][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796190][T12749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.796193][T12749]  console_emit_next_record (kernel/printk/printk.c:3183)
[  486.796196][T12749]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  486.796198][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796199][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796200][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796201][T12749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.796203][T12749]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  486.796205][T12749]  console_flush_one_record (kernel/printk/printk.c:3268)
[  486.796208][T12749]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  486.796211][T12749]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  486.796213][T12749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.796214][T12749]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  486.796216][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796217][T12749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.796219][T12749]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  486.796221][T12749]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  486.796222][T12749]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  486.796224][T12749]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  486.796226][T12749]  vprintk_emit (kernel/printk/printk.c:2479)
[  486.796228][T12749]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  486.796229][T12749]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  486.796231][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796232][T12749]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  486.796236][T12749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.796238][T12749]  _printk (kernel/printk/printk.c:2504)
[  486.796241][T12749]  ? snapshot_read.cold (user.c:?)
[  486.796243][T12749]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  486.796247][T12749]  ? idr_get_free (??:?)
[  486.796249][T12749]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  486.796252][T12749]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  486.796260][T12749]  ? nla_get_range_signed (lib/nlattr.c:270)
[  486.796264][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796265][T12749]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  486.796268][T12749]  __nla_validate_parse (lib/nlattr.c:635)
[  486.796271][T12749]  __nla_parse (lib/nlattr.c:732)
[  486.796273][T12749]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  486.796276][T12749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.796278][T12749]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  486.796281][T12749]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  486.796283][T12749]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  486.796287][T12749]  ? security_capable (security/security.c:660 (discriminator 11))
[  486.796290][T12749]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  486.796292][T12749]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  486.796295][T12749]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  486.796303][T12749]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  486.796306][T12749]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  486.796308][T12749]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  486.796310][T12749]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  486.796312][T12749]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  486.796314][T12749]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  486.796318][T12749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.796319][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796321][T12749]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.796323][T12749]  genl_rcv (net/netlink/genetlink.c:1218)
[  486.796325][T12749]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  486.796327][T12749]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  486.796330][T12749]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  486.796333][T12749]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  486.796334][T12749]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.796336][T12749]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.796338][T12749]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  486.796341][T12749]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  486.796344][T12749]  __sys_sendto (net/socket.c:2281)
[  486.796347][T12749]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  486.796351][T12749]  ? fput_close_sync (fs/file_table.c:617)
[  486.796354][T12749]  ? alloc_file_clone (fs/file_table.c:479)
[  486.796356][T12749]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  486.796358][T12749]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  486.796359][T12749]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  486.796361][T12749]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  486.796362][T12749]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  486.796365][T12749]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  486.796367][T12749]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  486.796369][T12749] RIP: 0033:0x7f994dc7c312
[  486.796371][T12749] 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)
[  486.796373][T12749] RSP: 002b:00007fffc01eceb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  486.796377][T12749] RAX: ffffffffffffffda RBX: 00007fffc01ecfe8 RCX: 00007f994dc7c312
[  486.796378][T12749] RDX: 0000000000000044 RSI: 00007f994b9cb820 RDI: 0000000000000020
[  486.796379][T12749] RBP: 00007fffc01ecee0 R08: 00007fffc01ed060 R09: 000000000000000c
[  486.796381][T12749] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f994baea0b0
[  486.796382][T12749] R13: 00007fffc01ecfe8 R14: 00007f994d59b01a R15: 00007fffc01ed3d8
| [  487.821147][T12779] softirqs last disabled at (0): 0x0
| [  487.821149][T12779] Preemption disabled at:
| [  487.821150][T12779] vprintk_emit (kernel/printk/printk.c:2471)
| [  487.821162][T12779] Tainted: [W]=WARN
[  487.821163][T12779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  487.821165][T12779] Call Trace:
[  487.821167][T12779]  <TASK>
[  487.821168][T12779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  487.821174][T12779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  487.821176][T12779]  __might_resched.cold (kernel/sched/core.c:9234)
[  487.821180][T12779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  487.821184][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821187][T12779]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  487.821190][T12779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.821193][T12779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.821199][T12779]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  487.821201][T12779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.821204][T12779]  put_chars (drivers/char/virtio_console.c:1176)
[  487.821206][T12779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  487.821207][T12779]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  487.821210][T12779]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  487.821213][T12779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  487.821218][T12779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  487.821221][T12779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.821222][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821224][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821225][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.821228][T12779]  console_emit_next_record (kernel/printk/printk.c:3183)
[  487.821231][T12779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  487.821234][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821235][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821236][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821237][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.821240][T12779]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  487.821242][T12779]  console_flush_one_record (kernel/printk/printk.c:3268)
[  487.821245][T12779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  487.821248][T12779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  487.821250][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.821252][T12779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  487.821254][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821255][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.821257][T12779]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  487.821258][T12779]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  487.821260][T12779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  487.821262][T12779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  487.821264][T12779]  vprintk_emit (kernel/printk/printk.c:2479)
[  487.821266][T12779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  487.821269][T12779]  _printk (kernel/printk/printk.c:2504)
[  487.821272][T12779]  ? snapshot_read.cold (user.c:?)
[  487.821274][T12779]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  487.821277][T12779]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  487.821281][T12779]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  487.821283][T12779]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  487.821287][T12779]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  487.821290][T12779]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  487.821293][T12779]  ? netdev_notice (net/core/dev.c:13194)
[  487.821294][T12779]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  487.821303][T12779]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  487.821305][T12779]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  487.821308][T12779]  netif_set_promiscuity (net/core/dev.c:9699)
[  487.821311][T12779]  dev_set_promiscuity (net/core/dev_api.c:288)
[  487.821312][T12779]  ? dev_disable_lro (net/core/dev_api.c:267)
[  487.821314][T12779] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  487.821319][T12779] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  487.821323][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.821325][T12779] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  487.821330][T12779]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  487.821334][T12779] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  487.821339][T12779]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  487.821343][T12779]  ? __nla_validate_parse (lib/nlattr.c:635)
[  487.821349][T12779]  ? __nla_parse (lib/nlattr.c:732)
[  487.821352][T12779]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  487.821358][T12779]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  487.821361][T12779]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  487.821364][T12779]  ? security_capable (security/security.c:660 (discriminator 11))
[  487.821368][T12779]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  487.821371][T12779]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  487.821373][T12779]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  487.821378][T12779]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  487.821381][T12779]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  487.821383][T12779]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  487.821386][T12779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  487.821388][T12779]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  487.821391][T12779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  487.821394][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.821396][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821397][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.821400][T12779]  genl_rcv (net/netlink/genetlink.c:1218)
[  487.821402][T12779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  487.821405][T12779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  487.821408][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821410][T12779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  487.821412][T12779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  487.821415][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.821417][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821419][T12779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  487.821422][T12779]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  487.821425][T12779]  __sys_sendto (net/socket.c:2281)
[  487.821428][T12779]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  487.821433][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.821434][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.821436][T12779]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  487.821438][T12779]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  487.821441][T12779]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  487.821443][T12779]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  487.821444][T12779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  487.821448][T12779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  487.821450][T12779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  487.821453][T12779] RIP: 0033:0x7fe7bdaea312
[  487.821455][T12779] 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)
[  487.821457][T12779] RSP: 002b:00007ffc784d9c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  487.821460][T12779] RAX: ffffffffffffffda RBX: 00007ffc784d9d98 RCX: 00007fe7bdaea312
[  487.821462][T12779] RDX: 0000000000000038 RSI: 00007fe7b85672b0 RDI: 0000000000000023
[  487.821463][T12779] RBP: 00007ffc784d9c90 R08: 00007ffc784d9e10 R09: 000000000000000c
[  487.821464][T12779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe7bb94e190
[  487.821465][T12779] R13: 00007ffc784d9d98 R14: 00007fe7bd40901a R15: 00007ffc784da188
| [  496.599595][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  496.599598][   T12] Preemption disabled at:
| [  496.599599][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  496.599613][   T12] Tainted: [W]=WARN
[  496.599615][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  496.599617][   T12] Workqueue: netns cleanup_net
[  496.599624][   T12] Call Trace:
[  496.599626][   T12]  <TASK>
[  496.599628][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  496.599635][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  496.599637][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  496.599642][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  496.599646][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  496.599649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599653][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  496.599656][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  496.599665][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.599671][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  496.599674][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  496.599678][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  496.599680][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  496.599683][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  496.599685][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  496.599690][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  496.599697][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  496.599700][   T12]  ? 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)
[  496.599702][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  496.599705][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  496.599708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599710][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.599714][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  496.599718][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  496.599722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599726][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599727][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.599731][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  496.599734][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  496.599737][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  496.599742][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  496.599745][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.599747][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  496.599750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599752][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  496.599754][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  496.599757][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  496.599760][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  496.599763][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  496.599765][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  496.599768][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  496.599771][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  496.599774][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  496.599784][   T12]  _printk (kernel/printk/printk.c:2504)
[  496.599788][   T12]  ? snapshot_read.cold (user.c:?)
[  496.599792][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  496.599796][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  496.599800][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  496.599803][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  496.599806][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  496.599810][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  496.599814][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  496.599817][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  496.599820][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  496.599825][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  496.599827][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  496.599831][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  496.599841][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  496.599847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599850][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  496.599855][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  496.599859][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  496.599862][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  496.599866][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  496.599868][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  496.599871][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.599874][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  496.599877][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  496.599880][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  496.599884][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  496.599887][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  496.599890][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  496.599894][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  496.599897][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  496.599901][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  496.599903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  496.599906][   T12]  process_one_work (kernel/workqueue.c:3387)
[  496.599912][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  496.599915][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  496.599919][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  496.599923][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  496.599928][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  496.599931][   T12]  kthread (kernel/kthread.c:436)
[  496.599934][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  496.599938][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  496.599941][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  496.599945][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  496.599948][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  496.599952][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  496.599955][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  498.226979][T13019] softirqs last disabled at (0): 0x0
| [  498.226982][T13019] Preemption disabled at:
| [  498.226984][T13019] vprintk_emit (kernel/printk/printk.c:2471)
| [  498.226998][T13019] Tainted: [W]=WARN
[  498.226999][T13019] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  498.227002][T13019] Call Trace:
[  498.227004][T13019]  <TASK>
[  498.227006][T13019]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  498.227013][T13019]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  498.227016][T13019]  __might_resched.cold (kernel/sched/core.c:9234)
[  498.227021][T13019]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  498.227025][T13019]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  498.227030][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227035][T13019]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  498.227039][T13019]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.227043][T13019]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  498.227049][T13019]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  498.227052][T13019]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  498.227061][T13019]  put_chars (drivers/char/virtio_console.c:1176)
[  498.227064][T13019]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  498.227067][T13019]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  498.227072][T13019]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  498.227079][T13019]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  498.227082][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227084][T13019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.227088][T13019]  console_emit_next_record (kernel/printk/printk.c:3183)
[  498.227093][T13019]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  498.227096][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227098][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227100][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227103][T13019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.227106][T13019]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  498.227109][T13019]  console_flush_one_record (kernel/printk/printk.c:3268)
[  498.227114][T13019]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  498.227118][T13019]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  498.227121][T13019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.227124][T13019]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  498.227127][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227129][T13019]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.227132][T13019]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  498.227134][T13019]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  498.227137][T13019]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  498.227140][T13019]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  498.227143][T13019]  vprintk_emit (kernel/printk/printk.c:2479)
[  498.227146][T13019]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  498.227149][T13019]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  498.227153][T13019]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  498.227162][T13019]  _printk (kernel/printk/printk.c:2504)
[  498.227167][T13019]  ? snapshot_read.cold (user.c:?)
[  498.227170][T13019]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  498.227175][T13019]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  498.227178][T13019]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  498.227181][T13019]  ? netdev_notice (net/core/dev.c:13194)
[  498.227184][T13019]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  498.227188][T13019]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  498.227193][T13019]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  498.227196][T13019]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  498.227199][T13019]  netif_set_promiscuity (net/core/dev.c:9699)
[  498.227203][T13019]  dev_set_promiscuity (net/core/dev_api.c:288)
[  498.227206][T13019]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  498.227210][T13019] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  498.227219][T13019]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  498.227225][T13019] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  498.227232][T13019] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  498.227241][T13019]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  498.227246][T13019]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  498.227251][T13019]  ? security_capable (security/security.c:660 (discriminator 11))
[  498.227256][T13019]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  498.227260][T13019]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  498.227263][T13019]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  498.227270][T13019]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  498.227274][T13019]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  498.227279][T13019]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  498.227283][T13019]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  498.227286][T13019]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  498.227289][T13019]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  498.227294][T13019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.227297][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227299][T13019]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.227303][T13019]  genl_rcv (net/netlink/genetlink.c:1218)
[  498.227306][T13019]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  498.227309][T13019]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  498.227313][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227316][T13019]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  498.227319][T13019]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  498.227322][T13019]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.227326][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227328][T13019]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  498.227332][T13019]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  498.227336][T13019]  __sys_sendto (net/socket.c:2281)
[  498.227340][T13019]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  498.227346][T13019]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.227348][T13019]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.227352][T13019]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  498.227355][T13019]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  498.227358][T13019]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  498.227361][T13019]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  498.227363][T13019]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  498.227368][T13019]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  498.227371][T13019]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  498.227374][T13019] RIP: 0033:0x7f71cd338312
[  498.227377][T13019] 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)
[  498.227380][T13019] RSP: 002b:00007fffe8acdb98 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  498.227385][T13019] RAX: ffffffffffffffda RBX: 00007fffe8acdcc8 RCX: 00007f71cd338312
[  498.227387][T13019] RDX: 0000000000000028 RSI: 00007f71c85a8ae0 RDI: 0000000000000023
[  498.227389][T13019] RBP: 00007fffe8acdbc0 R08: 00007fffe8acdd40 R09: 000000000000000c
[  498.227391][T13019] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f71cb1a5fd0
[  498.227393][T13019] R13: 00007fffe8acdcc8 R14: 00007f71ccc5701a R15: 00007fffe8ace0b8
| [  501.282380][T13139] softirqs last disabled at (0): 0x0
| [  501.282382][T13139] Preemption disabled at:
| [  501.282382][T13139] vprintk_emit (kernel/printk/printk.c:2471)
| [  501.282393][T13139] Tainted: [W]=WARN
[  501.282394][T13139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  501.282396][T13139] Call Trace:
[  501.282397][T13139]  <TASK>
[  501.282398][T13139]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  501.282404][T13139]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  501.282406][T13139]  __might_resched.cold (kernel/sched/core.c:9234)
[  501.282409][T13139]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  501.282413][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282416][T13139]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  501.282419][T13139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  501.282422][T13139]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.282427][T13139]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  501.282429][T13139]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  501.282432][T13139]  put_chars (drivers/char/virtio_console.c:1176)
[  501.282434][T13139]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  501.282436][T13139]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  501.282439][T13139]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  501.282444][T13139]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  501.282447][T13139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  501.282448][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282450][T13139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.282452][T13139]  console_emit_next_record (kernel/printk/printk.c:3183)
[  501.282455][T13139]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  501.282457][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282458][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282459][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282461][T13139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.282463][T13139]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  501.282465][T13139]  console_flush_one_record (kernel/printk/printk.c:3268)
[  501.282467][T13139]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  501.282470][T13139]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  501.282472][T13139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.282474][T13139]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  501.282475][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282477][T13139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  501.282478][T13139]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  501.282480][T13139]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  501.282481][T13139]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  501.282483][T13139]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  501.282485][T13139]  vprintk_emit (kernel/printk/printk.c:2479)
[  501.282487][T13139]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  501.282488][T13139]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[  501.282490][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282491][T13139]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  501.282495][T13139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.282497][T13139]  _printk (kernel/printk/printk.c:2504)
[  501.282501][T13139]  ? snapshot_read.cold (user.c:?)
[  501.282502][T13139]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[  501.282506][T13139]  ? idr_get_free (??:?)
[  501.282508][T13139]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  501.282512][T13139]  validate_nla.cold (lib/nlattr.c:414 (discriminator 4))
[  501.282520][T13139]  ? nla_get_range_signed (lib/nlattr.c:270)
[  501.282524][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282525][T13139]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  501.282528][T13139]  __nla_validate_parse (lib/nlattr.c:635)
[  501.282531][T13139]  __nla_parse (lib/nlattr.c:732)
[  501.282533][T13139]  genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  501.282536][T13139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  501.282538][T13139]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1092)
[  501.282540][T13139]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  501.282544][T13139]  ? security_capable (security/security.c:660 (discriminator 11))
[  501.282547][T13139]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  501.282549][T13139]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  501.282552][T13139]  ? ovs_dp_cmd_get (./include/net/net_namespace.h:422 (discriminator 7)) openvswitch
[  501.282560][T13139]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  501.282563][T13139]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  501.282565][T13139]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  501.282567][T13139]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  501.282569][T13139]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  501.282572][T13139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  501.282574][T13139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.282576][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282577][T13139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  501.282579][T13139]  genl_rcv (net/netlink/genetlink.c:1218)
[  501.282581][T13139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  501.282584][T13139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  501.282586][T13139]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  501.282589][T13139]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  501.282591][T13139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  501.282593][T13139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  501.282594][T13139]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  501.282597][T13139]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  501.282601][T13139]  __sys_sendto (net/socket.c:2281)
[  501.282603][T13139]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  501.282607][T13139]  ? fput_close_sync (fs/file_table.c:617)
[  501.282610][T13139]  ? alloc_file_clone (fs/file_table.c:479)
[  501.282612][T13139]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  501.282614][T13139]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  501.282616][T13139]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  501.282617][T13139]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  501.282619][T13139]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  501.282622][T13139]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  501.282624][T13139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  501.282626][T13139] RIP: 0033:0x7f6d0d016312
[  501.282628][T13139] 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)
[  501.282630][T13139] RSP: 002b:00007ffdc07e12f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  501.282634][T13139] RAX: ffffffffffffffda RBX: 00007ffdc07e1428 RCX: 00007f6d0d016312
[  501.282636][T13139] RDX: 0000000000000044 RSI: 00007f6d08bb7460 RDI: 0000000000000020
[  501.282637][T13139] RBP: 00007ffdc07e1320 R08: 00007ffdc07e14a0 R09: 000000000000000c
[  501.282638][T13139] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6d0ae7a0b0
[  501.282639][T13139] R13: 00007ffdc07e1428 R14: 00007f6d0c93501a R15: 00007ffdc07e1818
| [  502.900003][T13196] softirqs last disabled at (0): 0x0
| [  502.900004][T13196] Preemption disabled at:
| [  502.900005][T13196] vprintk_emit (kernel/printk/printk.c:2471)
| [  502.900016][T13196] Tainted: [W]=WARN
[  502.900017][T13196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  502.900018][T13196] Call Trace:
[  502.900020][T13196]  <TASK>
[  502.900021][T13196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  502.900027][T13196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  502.900028][T13196]  __might_resched.cold (kernel/sched/core.c:9234)
[  502.900032][T13196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  502.900036][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900039][T13196]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  502.900042][T13196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  502.900045][T13196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  502.900050][T13196]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  502.900052][T13196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  502.900055][T13196]  put_chars (drivers/char/virtio_console.c:1176)
[  502.900060][T13196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  502.900061][T13196]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  502.900064][T13196]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  502.900066][T13196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  502.900071][T13196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  502.900074][T13196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  502.900076][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900077][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900078][T13196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.900081][T13196]  console_emit_next_record (kernel/printk/printk.c:3183)
[  502.900084][T13196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  502.900086][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900087][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900088][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900089][T13196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.900092][T13196]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  502.900093][T13196]  console_flush_one_record (kernel/printk/printk.c:3268)
[  502.900096][T13196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  502.900099][T13196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  502.900101][T13196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.900103][T13196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  502.900105][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900106][T13196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  502.900107][T13196]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  502.900109][T13196]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  502.900111][T13196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  502.900113][T13196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  502.900114][T13196]  vprintk_emit (kernel/printk/printk.c:2479)
[  502.900116][T13196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  502.900118][T13196]  _printk (kernel/printk/printk.c:2504)
[  502.900122][T13196]  ? snapshot_read.cold (user.c:?)
[  502.900124][T13196]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[  502.900126][T13196]  ? netdev_upper_get_next_dev_rcu (net/core/dev.c:8213 (discriminator 1))
[  502.900130][T13196]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  502.900132][T13196]  ? __netdev_update_features (net/core/dev.c:11078 (discriminator 2))
[  502.900134][T13196]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  502.900137][T13196]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  502.900139][T13196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  502.900142][T13196]  ? netdev_notice (net/core/dev.c:13194)
[  502.900143][T13196]  ? ovs_netdev_link (net/openvswitch/vport-netdev.c:85) openvswitch
[  502.900152][T13196]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  502.900153][T13196]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  502.900156][T13196]  netif_set_promiscuity (net/core/dev.c:9699)
[  502.900158][T13196]  dev_set_promiscuity (net/core/dev_api.c:288)
[  502.900160][T13196]  ? dev_disable_lro (net/core/dev_api.c:267)
[  502.900162][T13196] ovs_netdev_link (net/openvswitch/vport-netdev.c:106) openvswitch
[  502.900167][T13196] ovs_vport_add (net/openvswitch/vport.c:209) openvswitch
[  502.900170][T13196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  502.900172][T13196] new_vport (net/openvswitch/datapath.c:203) openvswitch
[  502.900177][T13196]  ? ovs_lookup_vport (net/openvswitch/datapath.c:190) openvswitch
[  502.900181][T13196] ovs_vport_cmd_new (net/openvswitch/datapath.c:2389) openvswitch
[  502.900185][T13196]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  502.900188][T13196]  ? __nla_validate_parse (lib/nlattr.c:635)
[  502.900193][T13196]  ? __nla_parse (lib/nlattr.c:732)
[  502.900195][T13196]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2))
[  502.900199][T13196]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  502.900201][T13196]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  502.900205][T13196]  ? security_capable (security/security.c:660 (discriminator 11))
[  502.900208][T13196]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  502.900211][T13196]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  502.900213][T13196]  ? ovs_vport_cmd_fill_info.isra.0 (./include/net/netlink.h:1107 (discriminator 1)) openvswitch
[  502.900217][T13196]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  502.900220][T13196]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  502.900222][T13196]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  502.900224][T13196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  502.900226][T13196]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  502.900229][T13196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  502.900231][T13196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.900233][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900235][T13196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  502.900237][T13196]  genl_rcv (net/netlink/genetlink.c:1218)
[  502.900239][T13196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  502.900241][T13196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  502.900243][T13196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.900245][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900246][T13196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  502.900248][T13196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  502.900250][T13196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  502.900252][T13196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  502.900254][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900256][T13196]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  502.900259][T13196]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  502.900262][T13196]  __sys_sendto (net/socket.c:2281)
[  502.900264][T13196]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  502.900267][T13196]  ? do_futex (kernel/futex/syscalls.c:138)
[  502.900269][T13196]  ? __ia32_sys_get_robust_list (kernel/futex/syscalls.c:94)
[  502.900272][T13196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  502.900273][T13196]  ? do_futex (kernel/futex/syscalls.c:153 (discriminator 1))
[  502.900275][T13196]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  502.900277][T13196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  502.900280][T13196]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  502.900281][T13196]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  502.900283][T13196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  502.900286][T13196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  502.900289][T13196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  502.900290][T13196] RIP: 0033:0x7f7b91cbe312
[  502.900293][T13196] Code: 08 0f 85 71 41 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 55 bf 01 00
All code
========
   0:	08 0f                	or     %cl,(%rdi)
   2:	85 71 41             	test   %esi,0x41(%rcx)
   5:	ff                   	(bad)
   6:	ff 49 89             	decl   -0x77(%rcx)
   9:	fb                   	sti
   a:	48 89 f0             	mov    %rsi,%rax
   d:	48 89 d7             	mov    %rdx,%rdi
  10:	48 89 ce             	mov    %rcx,%rsi
  13:	4c 89 c2             	mov    %r8,%rdx
  16:	4d 89 ca             	mov    %r9,%r10
  19:	4c 8b 44 24 08       	mov    0x8(%rsp),%r8
  1e:	4c 8b 4c 24 10       	mov    0x10(%rsp),%r9
  23:	4c 89 5c 24 08       	mov    %r11,0x8(%rsp)
  28:	0f 05                	syscall
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  32:	00 00 00 
  35:	0f 1f 00             	nopl   (%rax)
  38:	f3 0f 1e fa          	endbr64
  3c:	55                   	push   %rbp
  3d:	bf                   	.byte 0xbf
  3e:	01 00                	add    %eax,(%rax)

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   8:	00 00 00 
   b:	0f 1f 00             	nopl   (%rax)
   e:	f3 0f 1e fa          	endbr64
  12:	55                   	push   %rbp
  13:	bf                   	.byte 0xbf
  14:	01 00                	add    %eax,(%rax)
[  502.900295][T13196] RSP: 002b:00007ffde37b2f58 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  502.900298][T13196] RAX: ffffffffffffffda RBX: 00007ffde37b3088 RCX: 00007f7b91cbe312
[  502.900300][T13196] RDX: 0000000000000038 RSI: 00007f7b6f7523f0 RDI: 0000000000000023
[  502.900301][T13196] RBP: 00007ffde37b2f80 R08: 00007ffde37b3100 R09: 000000000000000c
[  502.900302][T13196] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b8fb22190
[  502.900303][T13196] R13: 00007ffde37b3088 R14: 00007f7b915dd01a R15: 00007ffde37b3478
| [  510.369062][   T12] softirqs last disabled at (9451124): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  510.369065][   T12] Preemption disabled at:
| [  510.369066][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.369080][   T12] Tainted: [W]=WARN
[  510.369081][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.369083][   T12] Workqueue: netns cleanup_net
[  510.369089][   T12] Call Trace:
[  510.369091][   T12]  <TASK>
[  510.369093][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.369099][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.369101][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.369105][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.369108][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  510.369111][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369113][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  510.369116][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.369119][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.369124][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  510.369126][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.369129][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  510.369131][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  510.369132][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.369134][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  510.369137][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.369142][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.369144][   T12]  ? 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)
[  510.369146][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  510.369148][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.369150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369151][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.369154][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.369157][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.369159][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369160][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369161][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369163][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.369165][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  510.369167][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.369170][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.369173][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.369175][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.369177][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.369178][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369180][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.369181][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  510.369183][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  510.369185][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.369187][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.369188][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.369190][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.369192][   T12]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  510.369194][   T12]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  510.369201][   T12]  _printk (kernel/printk/printk.c:2504)
[  510.369204][   T12]  ? snapshot_read.cold (user.c:?)
[  510.369207][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  510.369210][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  510.369212][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  510.369215][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  510.369216][   T12]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  510.369219][   T12]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  510.369222][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  510.369224][   T12]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  510.369227][   T12]  netif_set_promiscuity (net/core/dev.c:9699)
[  510.369230][   T12]  dev_set_promiscuity (net/core/dev_api.c:288)
[  510.369232][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  510.369235][   T12] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  510.369242][   T12] dp_device_event (net/openvswitch/dp_notify.c:74) openvswitch
[  510.369246][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369248][   T12]  notifier_call_chain (kernel/notifier.c:85)
[  510.369252][   T12]  unregister_netdevice_many_notify (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:12518)
[  510.369254][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  510.369256][   T12]  ? get_rps_cpu (net/core/dev.c:5240)
[  510.369258][   T12]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  510.369260][   T12]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  510.369262][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.369264][   T12]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  510.369265][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.369268][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  510.369271][   T12]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  510.369273][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  510.369275][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  510.369278][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  510.369280][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  510.369282][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  510.369285][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.369287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.369288][   T12]  process_one_work (kernel/workqueue.c:3387)
[  510.369293][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  510.369295][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  510.369297][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.369300][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  510.369303][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  510.369305][   T12]  kthread (kernel/kthread.c:436)
[  510.369307][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  510.369310][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  510.369312][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  510.369316][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  510.369318][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  510.369321][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  510.369323][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  511.802723][T13409] softirqs last disabled at (0): 0x0
| [  511.802725][T13409] Preemption disabled at:
| [  511.802725][T13409] vprintk_emit (kernel/printk/printk.c:2471)
| [  511.802736][T13409] Tainted: [W]=WARN
[  511.802737][T13409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  511.802738][T13409] Call Trace:
[  511.802740][T13409]  <TASK>
[  511.802741][T13409]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  511.802747][T13409]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  511.802757][T13409]  __might_resched.cold (kernel/sched/core.c:9234)
[  511.802762][T13409]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  511.802767][T13409]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  511.802771][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802775][T13409]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  511.802778][T13409]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.802782][T13409]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.802788][T13409]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  511.802791][T13409]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.802794][T13409]  put_chars (drivers/char/virtio_console.c:1176)
[  511.802796][T13409]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  511.802798][T13409]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  511.802801][T13409]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  511.802805][T13409]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  511.802808][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802809][T13409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.802812][T13409]  console_emit_next_record (kernel/printk/printk.c:3183)
[  511.802814][T13409]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  511.802817][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802818][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802819][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802820][T13409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.802822][T13409]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  511.802824][T13409]  console_flush_one_record (kernel/printk/printk.c:3268)
[  511.802826][T13409]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  511.802829][T13409]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  511.802831][T13409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.802833][T13409]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  511.802835][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802836][T13409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.802838][T13409]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  511.802840][T13409]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  511.802841][T13409]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  511.802843][T13409]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  511.802844][T13409]  vprintk_emit (kernel/printk/printk.c:2479)
[  511.802846][T13409]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  511.802848][T13409]  ? net_disable_timestamp (./include/linux/workqueue.h:761)
[  511.802851][T13409]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[  511.802858][T13409]  _printk (kernel/printk/printk.c:2504)
[  511.802861][T13409]  ? snapshot_read.cold (user.c:?)
[  511.802864][T13409]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  511.802867][T13409]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  511.802869][T13409]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  511.802871][T13409]  ? netdev_notice (net/core/dev.c:13194)
[  511.802873][T13409]  ? __netdev_upper_dev_unlink (net/core/dev.c:9094)
[  511.802876][T13409]  ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985)
[  511.802879][T13409]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  511.802880][T13409]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  511.802883][T13409]  netif_set_promiscuity (net/core/dev.c:9699)
[  511.802886][T13409]  dev_set_promiscuity (net/core/dev_api.c:288)
[  511.802888][T13409]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  511.802891][T13409] ovs_netdev_detach_dev (net/openvswitch/vport-netdev.c:174) openvswitch
[  511.802897][T13409]  ? netdev_destroy (net/openvswitch/vport-netdev.c:189) openvswitch
[  511.802900][T13409] netdev_destroy (net/openvswitch/vport-netdev.c:194) openvswitch
[  511.802905][T13409] ovs_vport_cmd_del (net/openvswitch/datapath.c:2505) openvswitch
[  511.802910][T13409]  genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114)
[  511.802914][T13409]  ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2))
[  511.802918][T13409]  ? security_capable (security/security.c:660 (discriminator 11))
[  511.802921][T13409]  genl_family_rcv_msg (net/netlink/genetlink.c:1194)
[  511.802924][T13409]  ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079)
[  511.802926][T13409]  ? ovs_dp_detach_port (./include/linux/list.h:1047 (discriminator 2)) openvswitch
[  511.802930][T13409]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  511.802933][T13409]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  511.802936][T13409]  genl_rcv_msg (net/netlink/genetlink.c:1209)
[  511.802939][T13409]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  511.802941][T13409]  ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2))
[  511.802943][T13409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  511.802946][T13409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.802947][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802949][T13409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.802951][T13409]  genl_rcv (net/netlink/genetlink.c:1218)
[  511.802953][T13409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  511.802955][T13409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  511.802957][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802959][T13409]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  511.802961][T13409]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  511.802963][T13409]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.802965][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802966][T13409]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  511.802969][T13409]  ? fdget (fs/file.c:1200 fs/file.c:1208)
[  511.802972][T13409]  __sys_sendto (net/socket.c:2281)
[  511.802975][T13409]  ? __ia32_sys_getpeername (net/socket.c:2235)
[  511.802979][T13409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.802980][T13409]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.802982][T13409]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[  511.802984][T13409]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  511.802987][T13409]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[  511.802988][T13409]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  511.802990][T13409]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  511.802994][T13409]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  511.802996][T13409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  511.802998][T13409] RIP: 0033:0x7f37b7168312
[  511.803000][T13409] 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)
[  511.803002][T13409] RSP: 002b:00007ffd269e2228 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[  511.803005][T13409] RAX: ffffffffffffffda RBX: 00007ffd269e2358 RCX: 00007f37b7168312
[  511.803007][T13409] RDX: 0000000000000028 RSI: 00007f37b43dd290 RDI: 0000000000000023
[  511.803008][T13409] RBP: 00007ffd269e2250 R08: 00007ffd269e23d0 R09: 000000000000000c
[  511.803009][T13409] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37b4fd5fd0
[  511.803010][T13409] R13: 00007ffd269e2358 R14: 00007f37b6a8701a R15: 00007ffd269e2748
| [  589.292385][T17158] softirqs last disabled at (0): 0x0
| [  589.292387][T17158] Preemption disabled at:
| [  589.292388][T17158] vprintk_emit (kernel/printk/printk.c:2471)
| [  589.292399][T17158] Tainted: [W]=WARN
[  589.292400][T17158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.292402][T17158] Call Trace:
[  589.292403][T17158]  <TASK>
[  589.292404][T17158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  589.292410][T17158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  589.292411][T17158]  __might_resched.cold (kernel/sched/core.c:9234)
[  589.292415][T17158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  589.292418][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292421][T17158]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  589.292424][T17158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.292427][T17158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.292432][T17158]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  589.292434][T17158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.292437][T17158]  put_chars (drivers/char/virtio_console.c:1176)
[  589.292438][T17158]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  589.292440][T17158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  589.292442][T17158]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  589.292445][T17158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  589.292450][T17158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  589.292451][T17158]  ? 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)
[  589.292454][T17158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.292455][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292456][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292458][T17158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.292460][T17158]  console_emit_next_record (kernel/printk/printk.c:3183)
[  589.292463][T17158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  589.292465][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292467][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292468][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292469][T17158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.292471][T17158]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  589.292473][T17158]  console_flush_one_record (kernel/printk/printk.c:3268)
[  589.292475][T17158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  589.292478][T17158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  589.292480][T17158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.292482][T17158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  589.292484][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292485][T17158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.292487][T17158]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  589.292489][T17158]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  589.292492][T17158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  589.292495][T17158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  589.292497][T17158]  vprintk_emit (kernel/printk/printk.c:2479)
[  589.292499][T17158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  589.292501][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292502][T17158]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  589.292505][T17158]  ? rcu_irq_exit_check_preempt (kernel/rcu/tree.c:631)
[  589.292508][T17158]  ? nf_nat_cleanup (./include/linux/jhash.h:126 (discriminator 32768) net/netfilter/nf_nat_core.c:526 (discriminator 32768)) nf_nat
[  589.292512][T17158]  _printk (kernel/printk/printk.c:2504)
[  589.292515][T17158]  ? snapshot_read.cold (user.c:?)
[  589.292518][T17158]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  589.292520][T17158]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  589.292522][T17158] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[  589.292527][T17158]  do_one_initcall (init/main.c:1357)
[  589.292529][T17158]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  589.292531][T17158]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  589.292534][T17158]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  589.292537][T17158]  do_init_module (kernel/module/main.c:3117)
[  589.292540][T17158]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  589.292541][T17158]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  589.292543][T17158]  load_module (kernel/module/main.c:3593)
[  589.292545][T17158]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  589.292549][T17158]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  589.292551][T17158]  ? backing_file_read_iter (fs/backing-file.c:211)
[  589.292555][T17158]  init_module_from_file (kernel/module/main.c:3790)
[  589.292557][T17158]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  589.292558][T17158]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  589.292562][T17158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.292564][T17158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.292565][T17158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.292567][T17158]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  589.292569][T17158]  idempotent_init_module (kernel/module/main.c:3802)
[  589.292570][T17158]  ? init_module_from_file (kernel/module/main.c:3791)
[  589.292573][T17158]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  589.292575][T17158]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  589.292578][T17158]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  589.292579][T17158]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  589.292581][T17158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  589.292585][T17158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  589.292587][T17158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  589.292589][T17158] RIP: 0033:0x7f650589e37d
[  589.292591][T17158] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  589.292593][T17158] RSP: 002b:00007fffa2dac688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  589.292597][T17158] RAX: ffffffffffffffda RBX: 000056361a128810 RCX: 00007f650589e37d
[  589.292599][T17158] RDX: 0000000000000000 RSI: 00005635e86e5ffd RDI: 0000000000000000
[  589.292600][T17158] RBP: 00007fffa2dac720 R08: 0000000000000000 R09: 0000000000000000
[  589.292601][T17158] R10: 0000000000000000 R11: 0000000000000246 R12: 00005635e86e5ffd


Finger prints:
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning