[?25l[?1c7[ ok 8[?25h[?0c. [ 12.505502] random: crng init done [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.26' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 85.788348] ------------[ cut here ]------------ [ 85.806388] WARNING: CPU: 0 PID: 2104 at net/xfrm/xfrm_state.c:2197 xfrm_state_fini+0x2a0/0x340 [ 85.829925] Kernel panic - not syncing: panic_on_warn set ... [ 85.829925] executing program executing program executing program [ 85.837330] CPU: 0 PID: 2104 Comm: kworker/u4:2 Not tainted 4.9.166+ #35 [ 85.844191] Workqueue: netns cleanup_net [ 85.848399] ffff8801d68cf900 ffffffff81b4ef81 0000000000000000 ffffffff82a39ba0 [ 85.856467] 00000000ffffffff 0000000000000000 0000000000000009 ffff8801d68cf9e0 [ 85.864555] ffffffff813f91aa 0000000041b58ab3 ffffffff82e2ec1a ffffffff813f8fd1 [ 85.872623] Call Trace: [ 85.875236] [<000000001f3b308d>] dump_stack+0xc1/0x120 [ 85.880628] [<000000003e7971d3>] panic+0x1d9/0x3bd executing program executing program [ 85.885652] [<00000000a6443050>] ? add_taint.cold+0x16/0x16 [ 85.891474] [<00000000eb20211a>] ? trace_hardirqs_on_caller+0x385/0x5a0 [ 85.898330] [<00000000ba5539e5>] ? xfrm_state_flush+0x1e3/0x310 [ 85.904483] [<00000000d746c852>] ? trace_hardirqs_on+0xd/0x10 [ 85.910471] [<00000000c4947a15>] ? __warn.cold+0x14/0x2f [ 85.916020] [<000000009ad6c3cf>] ? xfrm_state_fini+0x2a0/0x340 [ 85.922089] [<00000000aa290d07>] __warn.cold+0x2f/0x2f [ 85.927462] [<000000008d2f03ef>] warn_slowpath_null+0x2d/0x40 executing program executing program executing program [ 85.933441] [<000000009ad6c3cf>] xfrm_state_fini+0x2a0/0x340 [ 85.939335] [<000000001bee132c>] xfrm_net_exit+0x2e/0x40 [ 85.944876] [<000000004f469ce8>] ? xfrm_policy_fini+0x320/0x320 [ 85.951028] [<00000000b225c57a>] ops_exit_list.isra.0+0xb0/0x160 [ 85.957266] [<0000000087d7be6c>] cleanup_net+0x3d6/0x8a0 [ 85.962832] [<0000000075ae4a8e>] ? debug_object_deactivate+0x1e4/0x360 [ 85.969591] [<00000000a1ac9323>] ? net_drop_ns+0x80/0x80 [ 85.975134] [<000000004c06eb0c>] process_one_work+0x88b/0x1600 [ 85.981283] [<000000008e377aa4>] ? process_one_work+0x7ce/0x1600 executing program [ 85.987520] [<000000001f403713>] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 85.994054] [<0000000063e8de0f>] ? _raw_spin_unlock_irq+0x28/0x60 [ 86.000387] [<0000000067658cbe>] worker_thread+0x5df/0x11d0 [ 86.006192] [<000000007c219057>] ? process_one_work+0x1600/0x1600 [ 86.012532] [<00000000d59feddd>] kthread+0x278/0x310 [ 86.017741] [<00000000fc6e85a6>] ? kthread_park+0xa0/0xa0 [ 86.023391] [<00000000f4b9a512>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 86.030160] [<0000000021021080>] ? _raw_spin_unlock_irq+0x39/0x60 [ 86.036505] [<000000007813747e>] ? finish_task_switch+0x1e5/0x660 [ 86.042853] [<000000009540da65>] ? finish_task_switch+0x1b7/0x660 [ 86.049200] [<00000000f64b7587>] ? __switch_to_asm+0x34/0x70 [ 86.055102] [<00000000cca2988c>] ? __switch_to_asm+0x40/0x70 [ 86.060998] [<00000000f64b7587>] ? __switch_to_asm+0x34/0x70 [ 86.067077] [<00000000fc6e85a6>] ? kthread_park+0xa0/0xa0 [ 86.072710] [<00000000fc6e85a6>] ? kthread_park+0xa0/0xa0 [ 86.078344] [<000000009b422dce>] ret_from_fork+0x5c/0x70 [ 86.084432] Kernel Offset: disabled [ 86.088105] Rebooting in 86400 seconds..