[info] Using makefile-style concurrent boot in runlevel 2. [ 25.731129] audit: type=1800 audit(1542763433.872:21): pid=5811 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.759869] audit: type=1800 audit(1542763433.882:22): pid=5811 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 syzkaller login: [ 30.500278] sshd (5949) used greatest stack depth: 15632 bytes left Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. executing program [ 37.207257] libceph: connect [f::]:6789 error -101 [ 37.212386] libceph: mon0 [f::]:6789 connect error executing program [ 37.358457] libceph: connect [f::]:6789 error -101 [ 37.363470] libceph: mon0 [f::]:6789 connect error executing program [ 37.520559] libceph: connect [f::]:6789 error -101 [ 37.525650] libceph: mon0 [f::]:6789 connect error executing program [ 37.682359] libceph: connect [f::]:6789 error -101 [ 37.687493] libceph: mon0 [f::]:6789 connect error executing program [ 37.843326] libceph: connect [f::]:6789 error -101 [ 37.848429] libceph: mon0 [f::]:6789 connect error executing program [ 38.005699] libceph: connect [f::]:6789 error -101 [ 38.010731] libceph: mon0 [f::]:6789 connect error executing program [ 38.167367] libceph: connect [f::]:6789 error -101 [ 38.172380] libceph: mon0 [f::]:6789 connect error executing program [ 38.324753] libceph: connect [f::]:6789 error -101 [ 38.329770] libceph: mon0 [f::]:6789 connect error executing program [ 38.486574] libceph: connect [f::]:6789 error -101 [ 38.491710] libceph: mon0 [f::]:6789 connect error executing program [ 38.648265] libceph: connect [f::]:6789 error -101 [ 38.653307] libceph: mon0 [f::]:6789 connect error executing program [ 38.809557] libceph: connect [f::]:6789 error -101 [ 38.815152] libceph: mon0 [f::]:6789 connect error executing program [ 38.972180] libceph: connect [f::]:6789 error -101 [ 38.978442] libceph: mon0 [f::]:6789 connect error executing program [ 39.132274] libceph: connect [f::]:6789 error -101 [ 39.137508] libceph: mon0 [f::]:6789 connect error executing program [ 39.293696] libceph: connect [f::]:6789 error -101 [ 39.299857] libceph: mon0 [f::]:6789 connect error executing program [ 39.453988] libceph: connect [f::]:6789 error -101 [ 39.460304] libceph: mon0 [f::]:6789 connect error executing program [ 39.614047] libceph: connect [f::]:6789 error -101 [ 39.619152] libceph: mon0 [f::]:6789 connect error [ 39.624823] WARNING: CPU: 0 PID: 6029 at net/ceph/messenger.c:3080 clear_standby+0x12f/0x160 [ 39.633478] Kernel panic - not syncing: panic_on_warn set ... [ 39.639353] CPU: 0 PID: 6029 Comm: syz-executor322 Not tainted 4.20.0-rc1-next-20181109+ #110 [ 39.647995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.657328] Call Trace: [ 39.659903] dump_stack+0x244/0x39d [ 39.663532] ? dump_stack_print_info.cold.1+0x20/0x20 [ 39.668718] panic+0x2ad/0x55c [ 39.671907] ? add_taint.cold.5+0x16/0x16 [ 39.676052] ? __warn.cold.8+0x5/0x45 [ 39.679844] ? __warn+0xe8/0x1d0 [ 39.683214] ? clear_standby+0x12f/0x160 [ 39.687269] __warn.cold.8+0x20/0x45 [ 39.690965] ? rcu_softirq_qs+0x20/0x20 [ 39.694930] ? clear_standby+0x12f/0x160 [ 39.698981] report_bug+0x254/0x2d0 [ 39.702608] do_error_trap+0x11b/0x200 [ 39.706487] do_invalid_op+0x36/0x40 [ 39.710193] ? clear_standby+0x12f/0x160 [ 39.714246] invalid_op+0x14/0x20 [ 39.717685] RIP: 0010:clear_standby+0x12f/0x160 [ 39.722349] Code: de e8 d5 26 d3 f9 48 85 db 0f 84 39 ff ff ff e8 97 25 d3 f9 0f 0b e9 2d ff ff ff e8 6b 7d 16 fa e9 67 ff ff ff e8 81 25 d3 f9 <0f> 0b eb a5 e8 78 7d 16 fa e9 f6 fe ff ff 4c 89 ef e8 6b 7d 16 fa [ 39.741253] RSP: 0018:ffff8801c093f708 EFLAGS: 00010293 [ 39.746618] RAX: ffff8801c0da6700 RBX: ffff8801c09f0c28 RCX: ffffffff87ac82d3 [ 39.753876] RDX: 0000000000000000 RSI: ffffffff87ac832f RDI: 0000000000000007 [ 39.761127] RBP: ffff8801c093f720 R08: ffff8801c0da6700 R09: ffffed003813e1b5 [ 39.768380] R10: ffff8801c093f720 R11: ffff8801c09f0daf R12: 0000000000000001 [ 39.775719] R13: ffff8801c09f0d60 R14: ffff8801cc99ce30 R15: ffff8801c093f7f0 [ 39.783000] ? clear_standby+0xd3/0x160 [ 39.786964] ? clear_standby+0x12f/0x160 [ 39.791011] ? clear_standby+0x12f/0x160 [ 39.795056] ceph_con_send+0x460/0x600 [ 39.798932] ? ceph_msg_new+0x40/0x40 [ 39.803143] ? ceph_auth_entity_name_encode+0x120/0x120 [ 39.808495] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 39.814016] __send_prepared_auth_request+0x155/0x1b0 [ 39.819212] __open_session+0x3cd/0x550 [ 39.823194] ceph_monc_open_session+0x193/0x350 [ 39.827854] __ceph_open_session+0xe2/0x810 [ 39.832175] ? bdi_register_va+0x49/0x80 [ 39.836225] ? ceph_destroy_client+0x1a0/0x1a0 [ 39.840790] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.846314] ? super_setup_bdi_name+0x1a5/0x240 [ 39.850968] ? kill_block_super+0x100/0x100 [ 39.855271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 39.860803] ceph_mount+0x11c5/0x1b30 [ 39.864604] ? ceph_compare_super+0x520/0x520 [ 39.869092] ? vfs_parse_fs_string+0x1f8/0x2b0 [ 39.873657] ? rcu_read_lock_sched_held+0x14f/0x180 [ 39.878659] ? vfs_parse_fs_string+0x1fd/0x2b0 [ 39.883231] ? ceph_compare_super+0x520/0x520 [ 39.887709] legacy_get_tree+0x12f/0x260 [ 39.891756] ? security_fs_context_validate+0x80/0xa0 [ 39.896931] vfs_get_tree+0x1cb/0x5c0 [ 39.900716] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 39.905468] do_mount+0x82a/0x1ff0 [ 39.908995] ? lock_release+0xa10/0xa10 [ 39.912955] ? copy_mount_string+0x40/0x40 [ 39.917187] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.922710] ? _copy_from_user+0xdf/0x150 [ 39.926844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.932368] ? copy_mount_options+0x315/0x430 [ 39.936847] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.942369] ksys_mount+0x12d/0x140 [ 39.945984] __x64_sys_mount+0xbe/0x150 [ 39.949948] do_syscall_64+0x1b9/0x820 [ 39.953823] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 39.959177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 39.964096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.968943] ? trace_hardirqs_on_caller+0x310/0x310 [ 39.973942] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 39.978944] ? prepare_exit_to_usermode+0x291/0x3b0 [ 39.983948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.988781] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.993951] RIP: 0033:0x446209 [ 39.997131] Code: e8 2c b3 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 2b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.016023] RSP: 002b:00007fd7f7b5fda8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 40.023729] RAX: ffffffffffffffda RBX: 00000000006dac28 RCX: 0000000000446209 [ 40.030986] RDX: 00000000200001c0 RSI: 0000000020000180 RDI: 0000000020000240 [ 40.038241] RBP: 00000000006dac20 R08: 0000000000000000 R09: 0000000000000000 [ 40.045496] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dac2c [ 40.052748] R13: 0030656c69662f2e R14: 00007fd7f7b609c0 R15: 00000000006dad2c [ 40.061160] Kernel Offset: disabled [ 40.064853] Rebooting in 86400 seconds..