Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts. syzkaller login: [ 50.253388] kauditd_printk_skb: 3 callbacks suppressed [ 50.253403] audit: type=1400 audit(1549489110.941:36): avc: denied { map } for pid=7917 comm="syz-executor404" path="/root/syz-executor404421202" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.302537] IPVS: ftp: loaded support on port[0] = 21 [ 50.327538] IPVS: ftp: loaded support on port[0] = 21 [ 50.342718] IPVS: ftp: loaded support on port[0] = 21 [ 50.347232] IPVS: ftp: loaded support on port[0] = 21 [ 50.359064] IPVS: ftp: loaded support on port[0] = 21 [ 50.366825] IPVS: ftp: loaded support on port[0] = 21 [ 50.379682] audit: type=1400 audit(1549489111.061:37): avc: denied { associate } for pid=7924 comm="syz-executor404" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.864653] cgroup: fork rejected by pids controller in /syz2 [ 51.893243] cgroup: fork rejected by pids controller in /syz4 [ 51.897429] cgroup: fork rejected by pids controller in /syz5 executing program executing program executing program executing program executing program executing program [ 51.916134] cgroup: fork rejected by pids controller in /syz1 [ 51.918923] cgroup: fork rejected by pids controller in /syz3 [ 51.924031] cgroup: fork rejected by pids controller in /syz0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 53.351080] WARNING: CPU: 0 PID: 3049 at net/ipv6/xfrm6_tunnel.c:351 xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.360792] Kernel panic - not syncing: panic_on_warn set ... [ 53.366669] CPU: 0 PID: 3049 Comm: kworker/u4:5 Not tainted 5.0.0-rc5 #60 [ 53.373578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.382925] Workqueue: netns cleanup_net [ 53.386967] Call Trace: [ 53.389542] dump_stack+0x172/0x1f0 [ 53.393173] ? xfrm6_tunnel_net_exit+0x120/0x370 [ 53.398004] panic+0x2cb/0x65c [ 53.401184] ? __warn_printk+0xf3/0xf3 [ 53.405059] ? xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.409800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 53.415328] ? __warn.cold+0x5/0x45 [ 53.418941] ? __warn+0xe8/0x1d0 [ 53.422294] ? xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.427209] __warn.cold+0x20/0x45 [ 53.430735] ? xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.435485] report_bug+0x263/0x2b0 [ 53.439117] do_error_trap+0x11b/0x200 [ 53.442993] do_invalid_op+0x37/0x50 [ 53.446692] ? xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.451435] invalid_op+0x14/0x20 [ 53.454870] RIP: 0010:xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.460222] Code: 4c 89 e0 48 c1 e8 03 42 80 3c 38 00 0f 85 73 01 00 00 4d 8b 34 24 31 ff 4c 89 f6 e8 0b f9 55 fb 4d 85 f6 74 b3 e8 61 f7 55 fb <0f> 0b eb aa 48 81 c3 00 08 00 00 45 31 e4 49 be 00 00 00 00 00 fc [ 53.479112] RSP: 0018:ffff88809e167be0 EFLAGS: 00010293 [ 53.484458] RAX: ffff88809e14e180 RBX: ffff88808d31d900 RCX: ffffffff8619e3b5 [ 53.491714] RDX: 0000000000000000 RSI: ffffffff8619e3bf RDI: 0000000000000007 [ 53.498972] RBP: ffff88809e167c08 R08: ffff88809e14e180 R09: ffff88809e14ea70 [ 53.506224] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808d31d9b8 [ 53.513480] R13: 0000000000000017 R14: ffff8880a9077700 R15: dffffc0000000000 [ 53.520751] ? xfrm6_tunnel_net_exit+0x1d5/0x370 [ 53.525496] ? xfrm6_tunnel_net_exit+0x1df/0x370 [ 53.530252] ? xfrm6_tunnel_alloc_spi+0x920/0x920 [ 53.535093] ops_exit_list.isra.0+0xb0/0x160 [ 53.539499] cleanup_net+0x3fb/0x960 [ 53.543195] ? netns_install+0x1d0/0x1d0 [ 53.547264] ? __lock_is_held+0xb6/0x140 [ 53.551345] ? check_preemption_disabled+0x48/0x290 [ 53.556351] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 53.561790] process_one_work+0x98e/0x1790 [ 53.566011] ? pwq_dec_nr_in_flight+0x320/0x320 [ 53.570662] ? lock_acquire+0x16f/0x3f0 [ 53.574627] worker_thread+0x98/0xe40 [ 53.578412] ? trace_hardirqs_on+0x67/0x230 [ 53.582761] kthread+0x357/0x430 [ 53.586115] ? process_one_work+0x1790/0x1790 [ 53.590591] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 53.596112] ret_from_fork+0x3a/0x50 [ 53.601382] Kernel Offset: disabled [ 53.605116] Rebooting in 86400 seconds..