Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 34.185704] audit: type=1800 audit(1542301840.404:33): pid=5985 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 34.207110] audit: type=1800 audit(1542301840.404:34): pid=5985 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.599703] audit: type=1400 audit(1542301843.814:35): avc: denied { map } for pid=6160 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. executing program [ 44.229800] audit: type=1400 audit(1542301850.444:36): avc: denied { map } for pid=6174 comm="syz-executor357" path="/root/syz-executor357545869" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 44.235897] netlink: 'syz-executor357': attribute type 3 has an invalid length. [ 44.256252] audit: type=1400 audit(1542301850.444:37): avc: denied { create } for pid=6174 comm="syz-executor357" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 44.263791] netlink: 'syz-executor357': attribute type 2 has an invalid length. [ 44.264509] WARNING: CPU: 1 PID: 6174 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 [ 44.289117] audit: type=1400 audit(1542301850.444:38): avc: denied { write } for pid=6174 comm="syz-executor357" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 44.296211] Kernel panic - not syncing: panic_on_warn set ... [ 44.296228] CPU: 1 PID: 6174 Comm: syz-executor357 Not tainted 4.20.0-rc2+ #114 [ 44.296236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.296241] Call Trace: [ 44.296264] dump_stack+0x244/0x39d [ 44.296290] ? dump_stack_print_info.cold.1+0x20/0x20 [ 44.365107] panic+0x2ad/0x55c [ 44.368288] ? add_taint.cold.5+0x16/0x16 [ 44.372431] ? __warn.cold.8+0x5/0x45 [ 44.376216] ? __warn+0xe8/0x1d0 [ 44.379615] ? cttimeout_default_get+0x1df/0xb30 [ 44.384359] __warn.cold.8+0x20/0x45 [ 44.388058] ? rcu_softirq_qs+0x20/0x20 [ 44.392017] ? cttimeout_default_get+0x1df/0xb30 [ 44.396767] report_bug+0x254/0x2d0 [ 44.400380] do_error_trap+0x11b/0x200 [ 44.404313] do_invalid_op+0x36/0x40 [ 44.408048] ? cttimeout_default_get+0x1df/0xb30 [ 44.412792] invalid_op+0x14/0x20 [ 44.416232] RIP: 0010:cttimeout_default_get+0x1df/0xb30 [ 44.421722] Code: 00 0f 87 8d 00 00 00 41 80 ff 06 0f 84 94 07 00 00 41 80 ff 11 0f 84 6c 07 00 00 41 80 ff 01 0f 84 44 07 00 00 e8 91 f1 20 fb <0f> 0b 41 bd a1 ff ff ff eb 06 41 bd a1 ff ff ff e8 7c f1 20 fb 48 [ 44.440656] RSP: 0018:ffff8881c676f2b0 EFLAGS: 00010293 [ 44.446007] RAX: ffff8881cdc286c0 RBX: ffffffff88bf58e0 RCX: ffffffff865e961c [ 44.453266] RDX: 0000000000000000 RSI: ffffffff865e964f RDI: 0000000000000001 [ 44.460644] RBP: ffff8881c676f3c0 R08: ffff8881cdc286c0 R09: ffffed103b5e5b67 [ 44.467897] R10: 0000000000000002 R11: ffff8881daf2db3b R12: 0000000000000088 [ 44.475284] R13: ffff8881c612acc0 R14: 0000000000000000 R15: 0000000000000088 [ 44.482559] ? cttimeout_default_get+0x1ac/0xb30 [ 44.487306] ? cttimeout_default_get+0x1df/0xb30 [ 44.492082] ? lock_downgrade+0x900/0x900 [ 44.496221] ? check_preemption_disabled+0x48/0x280 [ 44.501234] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 44.505978] ? __lock_is_held+0xb5/0x140 [ 44.510050] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 44.514800] nfnetlink_rcv_msg+0xdd3/0x10c0 [ 44.519137] ? nfnetlink_bind+0x3b0/0x3b0 [ 44.523273] ? __netlink_lookup+0x5b6/0xa90 [ 44.527585] ? find_held_lock+0x36/0x1c0 [ 44.531658] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.537190] ? cred_has_capability+0x1e1/0x430 [ 44.541759] ? selinux_ipv4_output+0x50/0x50 [ 44.546161] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 44.551086] ? kasan_check_read+0x11/0x20 [ 44.555237] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 44.560510] ? rcu_softirq_qs+0x20/0x20 [ 44.564499] netlink_rcv_skb+0x172/0x440 [ 44.568558] ? nfnetlink_bind+0x3b0/0x3b0 [ 44.572699] ? netlink_ack+0xb80/0xb80 [ 44.576800] ? __netlink_ns_capable+0x100/0x130 [ 44.581464] nfnetlink_rcv+0x1c0/0x4d0 [ 44.585340] ? nfnetlink_rcv_batch+0x19b0/0x19b0 [ 44.590083] ? kasan_check_write+0x14/0x20 [ 44.594305] netlink_unicast+0x5a5/0x760 [ 44.598356] ? netlink_attachskb+0x9a0/0x9a0 [ 44.602754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.608289] netlink_sendmsg+0xa18/0xfc0 [ 44.612341] ? netlink_unicast+0x760/0x760 [ 44.616570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.622094] ? security_socket_sendmsg+0x94/0xc0 [ 44.626833] ? netlink_unicast+0x760/0x760 [ 44.631058] sock_sendmsg+0xd5/0x120 [ 44.634789] ___sys_sendmsg+0x7fd/0x930 [ 44.638772] ? find_held_lock+0x36/0x1c0 [ 44.642826] ? copy_msghdr_from_user+0x580/0x580 [ 44.647568] ? zap_class+0x640/0x640 [ 44.651292] ? zap_class+0x640/0x640 [ 44.654995] ? zap_class+0x640/0x640 [ 44.658697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.664218] ? __fget_light+0x2e9/0x430 [ 44.668177] ? fget_raw+0x20/0x20 [ 44.671624] ? __do_page_fault+0x620/0xe60 [ 44.675847] ? lock_downgrade+0x900/0x900 [ 44.680026] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 44.684950] ? kasan_check_read+0x11/0x20 [ 44.689087] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 44.694610] ? sockfd_lookup_light+0xc5/0x160 [ 44.699110] __sys_sendmsg+0x11d/0x280 [ 44.702995] ? __ia32_sys_shutdown+0x80/0x80 [ 44.707393] ? up_read_non_owner+0x100/0x100 [ 44.711808] ? do_syscall_64+0x9a/0x820 [ 44.715767] ? do_syscall_64+0x9a/0x820 [ 44.719734] ? trace_hardirqs_off_caller+0x310/0x310 [ 44.724830] __x64_sys_sendmsg+0x78/0xb0 [ 44.728880] do_syscall_64+0x1b9/0x820 [ 44.732758] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 44.738106] ? syscall_return_slowpath+0x5e0/0x5e0 [ 44.743022] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.747859] ? trace_hardirqs_on_caller+0x310/0x310 [ 44.752865] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 44.757870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.763394] ? prepare_exit_to_usermode+0x291/0x3b0 [ 44.768412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.773246] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.778424] RIP: 0033:0x4400d9 [ 44.781630] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 44.800552] RSP: 002b:00007ffdeb8d5cd8 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 44.808273] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400d9 [ 44.815581] RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000003 [ 44.822852] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 44.830115] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401960 [ 44.837385] R13: 00000000004019f0 R14: 0000000000000000 R15: 0000000000000000 [ 44.845807] Kernel Offset: disabled [ 44.849512] Rebooting in 86400 seconds..