[info] Using makefile-style concurrent boot in runlevel 2. [ 26.504116] audit: type=1800 audit(1542702346.516:21): pid=5818 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 26.532827] audit: type=1800 audit(1542702346.516:22): pid=5818 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: [ 31.126594] sshd (5957) used greatest stack depth: 15632 bytes left Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. executing program [ 37.902276] libceph: connect [d::]:6789 error -101 [ 37.907383] libceph: mon0 [d::]:6789 connect error [ 38.669776] libceph: connect [d::]:6789 error -101 [ 38.674783] libceph: mon0 [d::]:6789 connect error [ 39.629677] libceph: connect [d::]:6789 error -101 [ 39.635187] libceph: mon0 [d::]:6789 connect error [ 41.630107] libceph: connect [d::]:6789 error -101 [ 41.635294] libceph: mon0 [d::]:6789 connect error [ 41.641356] libceph: connect [d::]:6789 error -101 [ 41.646332] libceph: mon0 [d::]:6789 connect error [ 42.669739] libceph: connect [d::]:6789 error -101 [ 42.675029] libceph: mon0 [d::]:6789 connect error executing program [ 42.899221] libceph: connect [d::]:6789 error -101 [ 42.904552] libceph: mon0 [d::]:6789 connect error [ 43.629824] libceph: connect [d::]:6789 error -101 [ 43.635188] libceph: mon0 [d::]:6789 connect error [ 44.669725] libceph: connect [d::]:6789 error -101 [ 44.675004] libceph: mon0 [d::]:6789 connect error [ 46.590077] libceph: connect [d::]:6789 error -101 [ 46.595233] libceph: mon0 [d::]:6789 connect error [ 47.629555] libceph: connect [d::]:6789 error -101 [ 47.634573] libceph: mon0 [d::]:6789 connect error executing program [ 47.903058] libceph: connect [d::]:6789 error -101 [ 47.908196] libceph: mon0 [d::]:6789 connect error [ 48.669707] libceph: connect [d::]:6789 error -101 [ 48.674740] libceph: mon0 [d::]:6789 connect error [ 49.629668] libceph: connect [d::]:6789 error -101 [ 49.634676] libceph: mon0 [d::]:6789 connect error [ 51.630032] libceph: connect [d::]:6789 error -101 [ 51.635136] libceph: mon0 [d::]:6789 connect error [ 52.589499] libceph: connect [d::]:6789 error -101 [ 52.594660] libceph: mon0 [d::]:6789 connect error executing program [ 52.908797] libceph: connect [d::]:6789 error -101 [ 52.914983] libceph: mon0 [d::]:6789 connect error [ 53.629796] libceph: connect [d::]:6789 error -101 [ 53.634961] libceph: mon0 [d::]:6789 connect error [ 54.669520] libceph: connect [d::]:6789 error -101 [ 54.674532] libceph: mon0 [d::]:6789 connect error [ 56.589580] libceph: connect [d::]:6789 error -101 [ 56.594730] libceph: mon0 [d::]:6789 connect error [ 57.629481] libceph: connect [d::]:6789 error -101 [ 57.634573] libceph: mon0 [d::]:6789 connect error executing program [ 57.914897] libceph: connect [d::]:6789 error -101 [ 57.920114] libceph: mon0 [d::]:6789 connect error [ 58.669770] libceph: connect [d::]:6789 error -101 [ 58.674784] libceph: mon0 [d::]:6789 connect error [ 59.629579] libceph: connect [d::]:6789 error -101 [ 59.634786] libceph: mon0 [d::]:6789 connect error [ 61.629938] libceph: connect [d::]:6789 error -101 [ 61.635004] libceph: mon0 [d::]:6789 connect error [ 62.589620] libceph: connect [d::]:6789 error -101 [ 62.594860] libceph: mon0 [d::]:6789 connect error executing program [ 62.929778] libceph: connect [d::]:6789 error -101 [ 62.934812] libceph: mon0 [d::]:6789 connect error [ 63.569467] libceph: connect [d::]:6789 error -101 [ 63.574630] libceph: mon0 [d::]:6789 connect error [ 64.589492] libceph: connect [d::]:6789 error -101 [ 64.594769] libceph: mon0 [d::]:6789 connect error [ 66.589520] libceph: connect [d::]:6789 error -101 [ 66.595025] libceph: mon0 [d::]:6789 connect error [ 66.670193] libceph: connect [d::]:6789 error -101 [ 66.675298] libceph: mon0 [d::]:6789 connect error [ 67.629680] libceph: connect [d::]:6789 error -101 [ 67.634813] libceph: mon0 [d::]:6789 connect error executing program [ 67.925294] libceph: connect [d::]:6789 error -101 [ 67.930382] libceph: mon0 [d::]:6789 connect error [ 68.570565] libceph: connect [d::]:6789 error -101 [ 68.575586] libceph: mon0 [d::]:6789 connect error [ 69.629561] libceph: connect [d::]:6789 error -101 [ 69.634683] libceph: mon0 [d::]:6789 connect error [ 71.629491] libceph: connect [d::]:6789 error -101 [ 71.634575] libceph: mon0 [d::]:6789 connect error [ 71.641293] libceph: connect [d::]:6789 error -101 [ 71.646263] libceph: mon0 [d::]:6789 connect error [ 72.589482] libceph: connect [d::]:6789 error -101 [ 72.594844] libceph: mon0 [d::]:6789 connect error executing program [ 72.931595] libceph: connect [d::]:6789 error -101 [ 72.936625] libceph: mon0 [d::]:6789 connect error [ 73.569465] libceph: connect [d::]:6789 error -101 [ 73.574727] libceph: mon0 [d::]:6789 connect error [ 74.589892] libceph: connect [d::]:6789 error -101 [ 74.595175] libceph: mon0 [d::]:6789 connect error [ 76.589525] libceph: connect [d::]:6789 error -101 [ 76.594680] libceph: mon0 [d::]:6789 connect error [ 76.669741] libceph: connect [d::]:6789 error -101 [ 76.674913] libceph: mon0 [d::]:6789 connect error [ 77.629704] libceph: connect [d::]:6789 error -101 [ 77.634856] libceph: mon0 [d::]:6789 connect error executing program [ 77.938055] libceph: connect [d::]:6789 error -101 [ 77.943244] libceph: mon0 [d::]:6789 connect error [ 77.948601] WARNING: CPU: 0 PID: 6001 at net/ceph/messenger.c:3080 clear_standby+0x12f/0x160 [ 77.957231] Kernel panic - not syncing: panic_on_warn set ... [ 77.963117] CPU: 0 PID: 6001 Comm: syz-executor874 Not tainted 4.20.0-rc1-next-20181109+ #110 [ 77.971868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.981202] Call Trace: [ 77.983774] dump_stack+0x244/0x39d [ 77.987389] ? dump_stack_print_info.cold.1+0x20/0x20 [ 77.992576] panic+0x2ad/0x55c [ 77.995753] ? add_taint.cold.5+0x16/0x16 [ 77.999978] ? __warn.cold.8+0x5/0x45 [ 78.003769] ? __warn+0xe8/0x1d0 [ 78.007120] ? clear_standby+0x12f/0x160 [ 78.011167] __warn.cold.8+0x20/0x45 [ 78.015009] ? rcu_softirq_qs+0x20/0x20 [ 78.018979] ? clear_standby+0x12f/0x160 [ 78.023030] report_bug+0x254/0x2d0 [ 78.026657] do_error_trap+0x11b/0x200 [ 78.030541] do_invalid_op+0x36/0x40 [ 78.034261] ? clear_standby+0x12f/0x160 [ 78.038333] invalid_op+0x14/0x20 [ 78.041772] RIP: 0010:clear_standby+0x12f/0x160 [ 78.046426] 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 [ 78.065439] RSP: 0018:ffff8801b3667708 EFLAGS: 00010293 [ 78.070787] RAX: ffff8801c4bd6680 RBX: ffff8801c087c8a8 RCX: ffffffff87ac82d3 [ 78.078148] RDX: 0000000000000000 RSI: ffffffff87ac832f RDI: 0000000000000007 [ 78.085408] RBP: ffff8801b3667720 R08: ffff8801c4bd6680 R09: ffffed003810f945 [ 78.092668] R10: ffff8801b3667720 R11: ffff8801c087ca2f R12: 0000000000000001 [ 78.099928] R13: ffff8801c087c9e0 R14: ffff8801c2763e30 R15: ffff8801b36677f0 [ 78.107272] ? clear_standby+0xd3/0x160 [ 78.111395] ? clear_standby+0x12f/0x160 [ 78.115474] ? clear_standby+0x12f/0x160 [ 78.119537] ceph_con_send+0x460/0x600 [ 78.123408] ? ceph_msg_new+0x40/0x40 [ 78.127199] ? ceph_auth_entity_name_encode+0x120/0x120 [ 78.132552] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.138149] __send_prepared_auth_request+0x155/0x1b0 [ 78.143330] __open_session+0x3cd/0x550 [ 78.147308] ceph_monc_open_session+0x193/0x350 [ 78.152079] __ceph_open_session+0xe2/0x810 [ 78.156496] ? bdi_register_va+0x49/0x80 [ 78.160544] ? ceph_destroy_client+0x1a0/0x1a0 [ 78.165130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.170660] ? super_setup_bdi_name+0x1a5/0x240 [ 78.175313] ? kill_block_super+0x100/0x100 [ 78.179861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.185394] ceph_mount+0x11c5/0x1b30 [ 78.189196] ? ceph_compare_super+0x520/0x520 [ 78.193716] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 78.199243] ? alloc_pages_current+0x17b/0x350 [ 78.203828] ? ceph_compare_super+0x520/0x520 [ 78.208311] legacy_get_tree+0x12f/0x260 [ 78.212383] ? security_fs_context_validate+0x80/0xa0 [ 78.217805] vfs_get_tree+0x1cb/0x5c0 [ 78.221767] ? legacy_fs_context_dup+0x1d0/0x1d0 [ 78.226661] do_mount+0x82a/0x1ff0 [ 78.230203] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 78.235724] ? copy_mount_string+0x40/0x40 [ 78.239962] ? copy_mount_options+0x5f/0x430 [ 78.244494] ? kmem_cache_alloc_trace+0x353/0x750 [ 78.249325] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.254865] ? _copy_from_user+0xdf/0x150 [ 78.258995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.264530] ? copy_mount_options+0x315/0x430 [ 78.269007] ksys_mount+0x12d/0x140 [ 78.272768] __x64_sys_mount+0xbe/0x150 [ 78.276745] do_syscall_64+0x1b9/0x820 [ 78.280701] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 78.286210] ? syscall_return_slowpath+0x5e0/0x5e0 [ 78.291122] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.295949] ? trace_hardirqs_on_caller+0x310/0x310 [ 78.300962] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 78.305962] ? prepare_exit_to_usermode+0x291/0x3b0 [ 78.311014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.315910] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.321088] RIP: 0033:0x441229 [ 78.324269] Code: e8 8c b2 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 8b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.343395] RSP: 002b:00007fffdbe7bca8 EFLAGS: 00000217 ORIG_RAX: 00000000000000a5 [ 78.351270] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000441229 [ 78.358624] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 78.366183] RBP: 0000000000000000 R08: 0000000020000140 R09: 0000000000000000 [ 78.373435] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000008 [ 78.380698] R13: 0000000000011ccf R14: 0000000000000000 R15: 0000000000000000 [ 78.389123] Kernel Offset: disabled [ 78.392789] Rebooting in 86400 seconds..