[info] Using makefile-style concurrent boot in runlevel 2. [ 27.451140] audit: type=1800 audit(1542302225.035:21): pid=5926 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 27.476499] audit: type=1800 audit(1542302225.035:22): pid=5926 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?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 '10.128.0.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.512813] netlink: 'syz-executor117': attribute type 3 has an invalid length. [ 35.520526] netlink: 'syz-executor117': attribute type 2 has an invalid length. [ 35.528416] WARNING: CPU: 0 PID: 6080 at net/netfilter/nfnetlink_cttimeout.c:478 cttimeout_default_get+0x1df/0xb30 [ 35.539050] Kernel panic - not syncing: panic_on_warn set ... [ 35.544926] CPU: 0 PID: 6080 Comm: syz-executor117 Not tainted 4.20.0-rc2+ #335 [ 35.552600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.561947] Call Trace: [ 35.564545] dump_stack+0x244/0x39d [ 35.568160] ? dump_stack_print_info.cold.1+0x20/0x20 [ 35.573428] panic+0x2ad/0x55c [ 35.576605] ? add_taint.cold.5+0x16/0x16 [ 35.580739] ? __warn.cold.8+0x5/0x45 [ 35.584519] ? __warn+0xe8/0x1d0 [ 35.587873] ? cttimeout_default_get+0x1df/0xb30 [ 35.592610] __warn.cold.8+0x20/0x45 [ 35.596305] ? rcu_softirq_qs+0x20/0x20 [ 35.600265] ? cttimeout_default_get+0x1df/0xb30 [ 35.605005] report_bug+0x254/0x2d0 [ 35.608617] do_error_trap+0x11b/0x200 [ 35.612623] do_invalid_op+0x36/0x40 [ 35.616327] ? cttimeout_default_get+0x1df/0xb30 [ 35.621067] invalid_op+0x14/0x20 [ 35.624504] RIP: 0010:cttimeout_default_get+0x1df/0xb30 [ 35.629852] 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 [ 35.648738] RSP: 0018:ffff8881ba4bf2b0 EFLAGS: 00010293 [ 35.654084] RAX: ffff8881ba940140 RBX: ffffffff88bf58e0 RCX: ffffffff865e961c [ 35.661336] RDX: 0000000000000000 RSI: ffffffff865e964f RDI: 0000000000000001 [ 35.668592] RBP: ffff8881ba4bf3c0 R08: ffff8881ba940140 R09: ffffed103b5c5b67 [ 35.675974] R10: 0000000000000002 R11: ffff8881dae2db3b R12: 0000000000000088 [ 35.683341] R13: ffff8881bf82e5c0 R14: 0000000000000000 R15: 0000000000000088 [ 35.690609] ? cttimeout_default_get+0x1ac/0xb30 [ 35.695345] ? cttimeout_default_get+0x1df/0xb30 [ 35.700088] ? lock_downgrade+0x900/0x900 [ 35.704218] ? check_preemption_disabled+0x48/0x280 [ 35.709219] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 35.713979] ? __lock_is_held+0xb5/0x140 [ 35.718044] ? cttimeout_new_timeout+0x8c0/0x8c0 [ 35.722785] nfnetlink_rcv_msg+0xdd3/0x10c0 [ 35.727106] ? nfnetlink_bind+0x3b0/0x3b0 [ 35.731250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.736771] ? refcount_sub_and_test_checked+0x203/0x310 [ 35.742205] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 35.747649] ? netlink_deliver_tap+0x32e/0xf80 [ 35.752216] ? lock_downgrade+0x900/0x900 [ 35.756346] ? check_preemption_disabled+0x48/0x280 [ 35.761355] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 35.766877] ? apparmor_capable+0x355/0x6c0 [ 35.771194] ? rcu_softirq_qs+0x20/0x20 [ 35.775153] ? apparmor_cred_transfer+0x590/0x590 [ 35.779985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.785512] netlink_rcv_skb+0x172/0x440 [ 35.789563] ? nfnetlink_bind+0x3b0/0x3b0 [ 35.793697] ? netlink_ack+0xb80/0xb80 [ 35.797585] ? __netlink_ns_capable+0x100/0x130 [ 35.802245] nfnetlink_rcv+0x1c0/0x4d0 [ 35.806134] ? nfnetlink_rcv_batch+0x19b0/0x19b0 [ 35.810887] ? kasan_check_write+0x14/0x20 [ 35.815113] netlink_unicast+0x5a5/0x760 [ 35.819160] ? netlink_attachskb+0x9a0/0x9a0 [ 35.823555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.829077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 35.834082] netlink_sendmsg+0xa18/0xfc0 [ 35.838131] ? netlink_unicast+0x760/0x760 [ 35.842363] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 35.847280] ? apparmor_socket_sendmsg+0x29/0x30 [ 35.852037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.857559] ? security_socket_sendmsg+0x94/0xc0 [ 35.862299] ? netlink_unicast+0x760/0x760 [ 35.866523] sock_sendmsg+0xd5/0x120 [ 35.870220] ___sys_sendmsg+0x7fd/0x930 [ 35.874177] ? find_held_lock+0x36/0x1c0 [ 35.878225] ? copy_msghdr_from_user+0x580/0x580 [ 35.882967] ? zap_class+0x640/0x640 [ 35.886674] ? zap_class+0x640/0x640 [ 35.890370] ? zap_class+0x640/0x640 [ 35.894073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.899594] ? __fget_light+0x2e9/0x430 [ 35.903552] ? fget_raw+0x20/0x20 [ 35.907013] ? __do_page_fault+0x620/0xe60 [ 35.911258] ? lock_downgrade+0x900/0x900 [ 35.915393] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 35.920309] ? kasan_check_read+0x11/0x20 [ 35.924444] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.929965] ? sockfd_lookup_light+0xc5/0x160 [ 35.934444] __sys_sendmsg+0x11d/0x280 [ 35.938320] ? __ia32_sys_shutdown+0x80/0x80 [ 35.942714] ? up_read_non_owner+0x100/0x100 [ 35.947114] ? do_syscall_64+0x9a/0x820 [ 35.951071] ? do_syscall_64+0x9a/0x820 [ 35.955038] ? trace_hardirqs_off_caller+0x310/0x310 [ 35.960132] __x64_sys_sendmsg+0x78/0xb0 [ 35.964195] do_syscall_64+0x1b9/0x820 [ 35.968082] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.973443] ? syscall_return_slowpath+0x5e0/0x5e0 [ 35.978362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.983191] ? trace_hardirqs_on_caller+0x310/0x310 [ 35.988197] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 35.993199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 35.998723] ? prepare_exit_to_usermode+0x291/0x3b0 [ 36.003729] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.008562] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.013734] RIP: 0033:0x4400d9 [ 36.016927] 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 [ 36.035813] RSP: 002b:00007ffea271ad58 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 36.043508] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004400d9 [ 36.050763] RDX: 0000000000000000 RSI: 0000000020dddfc8 RDI: 0000000000000003 [ 36.058026] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 36.065278] R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401960 [ 36.072535] R13: 00000000004019f0 R14: 0000000000000000 R15: 0000000000000000 [ 36.081234] Kernel Offset: disabled [ 36.084918] Rebooting in 86400 seconds..