[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.453768] audit: type=1800 audit(1546941174.471:25): pid=7916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 40.474375] audit: type=1800 audit(1546941174.471:26): pid=7916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.494522] audit: type=1800 audit(1546941174.481:27): pid=7916 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.15.197' (ECDSA) to the list of known hosts. syzkaller login: [ 62.817925] IPVS: ftp: loaded support on port[0] = 21 [ 62.818839] IPVS: ftp: loaded support on port[0] = 21 [ 62.835120] IPVS: ftp: loaded support on port[0] = 21 [ 62.836832] IPVS: ftp: loaded support on port[0] = 21 [ 62.845754] IPVS: ftp: loaded support on port[0] = 21 [ 62.851670] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 63.040580] libceph: connect [d::]:6789 error -99 [ 63.045715] libceph: mon0 [d::]:6789 connect error [ 63.064752] libceph: connect [d::]:6789 error -99 [ 63.069759] libceph: mon0 [d::]:6789 connect error [ 63.075339] libceph: connect [d::]:6789 error -99 [ 63.080872] libceph: mon0 [d::]:6789 connect error [ 63.090094] libceph: connect [d::]:6789 error -99 [ 63.097421] libceph: mon0 [d::]:6789 connect error [ 63.103374] libceph: connect [d::]:6789 error -99 [ 63.108367] libceph: mon0 [d::]:6789 connect error [ 63.114127] libceph: connect [d::]:6789 error -99 [ 63.119027] libceph: mon0 [d::]:6789 connect error [ 63.124184] libceph: connect [d::]:6789 error -99 [ 63.129077] libceph: mon0 [d::]:6789 connect error [ 63.490521] libceph: connect [d::]:6789 error -99 [ 63.495457] libceph: mon0 [d::]:6789 connect error [ 63.500917] libceph: connect [d::]:6789 error -99 [ 63.505901] libceph: mon0 [d::]:6789 connect error [ 63.520004] libceph: connect [d::]:6789 error -99 [ 63.525002] libceph: mon0 [d::]:6789 connect error [ 63.530160] libceph: connect [d::]:6789 error -99 [ 63.535100] libceph: mon0 [d::]:6789 connect error [ 63.540245] libceph: connect [d::]:6789 error -99 [ 63.545131] libceph: mon0 [d::]:6789 connect error [ 63.550277] libceph: connect [d::]:6789 error -99 [ 63.555156] libceph: mon0 [d::]:6789 connect error [ 64.509993] libceph: connect [d::]:6789 error -99 [ 64.515114] libceph: mon0 [d::]:6789 connect error [ 64.520415] libceph: connect [d::]:6789 error -99 [ 64.525283] libceph: mon0 [d::]:6789 connect error [ 64.590007] libceph: connect [d::]:6789 error -99 [ 64.595060] libceph: mon0 [d::]:6789 connect error [ 64.600247] libceph: connect [d::]:6789 error -99 [ 64.605152] libceph: mon0 [d::]:6789 connect error [ 64.610229] libceph: connect [d::]:6789 error -99 [ 64.615117] libceph: mon0 [d::]:6789 connect error [ 64.620184] libceph: connect [d::]:6789 error -99 [ 64.625132] libceph: mon0 [d::]:6789 connect error [ 66.510229] libceph: connect [d::]:6789 error -99 [ 66.515225] libceph: mon0 [d::]:6789 connect error [ 66.520328] libceph: connect [d::]:6789 error -99 [ 66.525549] libceph: mon0 [d::]:6789 connect error [ 66.530965] libceph: connect [d::]:6789 error -99 [ 66.535956] libceph: mon0 [d::]:6789 connect error [ 66.541041] libceph: connect [d::]:6789 error -99 [ 66.546036] libceph: mon0 [d::]:6789 connect error [ 66.589990] libceph: connect [d::]:6789 error -99 [ 66.594973] libceph: mon0 [d::]:6789 connect error [ 66.600090] libceph: connect [d::]:6789 error -99 [ 66.605108] libceph: mon0 [d::]:6789 connect error [ 66.610310] libceph: connect [d::]:6789 error -99 [ 66.615186] libceph: mon0 [d::]:6789 connect error [ 66.620340] libceph: connect [d::]:6789 error -99 [ 66.625210] libceph: mon0 [d::]:6789 connect error [ 66.630482] libceph: connect [d::]:6789 error -99 [ 66.635345] libceph: mon0 [d::]:6789 connect error [ 66.640403] libceph: connect [d::]:6789 error -99 [ 66.645375] libceph: mon0 [d::]:6789 connect error [ 66.650447] libceph: connect [d::]:6789 error -99 [ 66.655472] libceph: mon0 [d::]:6789 connect error [ 66.660529] libceph: connect [d::]:6789 error -99 [ 66.665397] libceph: mon0 [d::]:6789 connect error [ 67.549993] libceph: connect [d::]:6789 error -99 [ 67.550005] libceph: connect [d::]:6789 error -99 [ 67.554998] libceph: mon0 [d::]:6789 connect error [ 67.560012] libceph: mon0 [d::]:6789 connect error [ 67.565520] libceph: connect [d::]:6789 error -99 [ 67.569949] libceph: connect [d::]:6789 error -99 [ 67.574858] libceph: mon0 [d::]:6789 connect error [ 67.579610] libceph: mon0 [d::]:6789 connect error [ 67.589596] libceph: connect [d::]:6789 error -99 [ 67.594622] libceph: mon0 [d::]:6789 connect error [ 67.599740] libceph: connect [d::]:6789 error -99 [ 67.604803] libceph: mon0 [d::]:6789 connect error executing program executing program executing program executing program executing program [ 68.016090] libceph: connect [d::]:6789 error -99 [ 68.021247] libceph: mon0 [d::]:6789 connect error [ 68.048273] libceph: connect [d::]:6789 error -99 [ 68.054678] libceph: mon0 [d::]:6789 connect error [ 68.060495] libceph: connect [d::]:6789 error -99 executing program [ 68.063872] libceph: connect [d::]:6789 error -99 [ 68.065473] libceph: mon0 [d::]:6789 connect error [ 68.070688] libceph: mon0 [d::]:6789 connect error [ 68.080690] libceph: connect [d::]:6789 error -99 [ 68.085573] libceph: mon0 [d::]:6789 connect error [ 68.091298] libceph: connect [d::]:6789 error -99 [ 68.096341] libceph: mon0 [d::]:6789 connect error [ 68.109067] libceph: connect [d::]:6789 error -99 [ 68.114205] libceph: mon0 [d::]:6789 connect error [ 68.490009] libceph: connect [d::]:6789 error -99 [ 68.494962] libceph: mon0 [d::]:6789 connect error [ 68.500094] libceph: connect [d::]:6789 error -99 [ 68.505020] libceph: mon0 [d::]:6789 connect error [ 68.520012] libceph: connect [d::]:6789 error -99 [ 68.525072] libceph: mon0 [d::]:6789 connect error [ 68.530239] libceph: connect [d::]:6789 error -99 [ 68.535163] libceph: mon0 [d::]:6789 connect error [ 68.540317] libceph: connect [d::]:6789 error -99 [ 68.545195] libceph: mon0 [d::]:6789 connect error [ 68.550234] libceph: connect [d::]:6789 error -99 [ 68.555092] libceph: mon0 [d::]:6789 connect error [ 69.550019] libceph: connect [d::]:6789 error -99 [ 69.550068] libceph: connect [d::]:6789 error -99 [ 69.555009] libceph: mon0 [d::]:6789 connect error [ 69.559911] libceph: mon0 [d::]:6789 connect error [ 69.565157] libceph: connect [d::]:6789 error -99 [ 69.569747] libceph: connect [d::]:6789 error -99 [ 69.574834] libceph: mon0 [d::]:6789 connect error [ 69.579489] libceph: mon0 [d::]:6789 connect error [ 69.589482] libceph: connect [d::]:6789 error -99 [ 69.594468] libceph: mon0 [d::]:6789 connect error [ 69.599521] libceph: connect [d::]:6789 error -99 [ 69.604519] libceph: mon0 [d::]:6789 connect error [ 71.550241] libceph: connect [d::]:6789 error -99 [ 71.555202] libceph: mon0 [d::]:6789 connect error [ 71.559995] libceph: connect [d::]:6789 error -99 [ 71.560375] libceph: connect [d::]:6789 error -99 [ 71.565105] libceph: mon0 [d::]:6789 connect error [ 71.569968] libceph: mon0 [d::]:6789 connect error [ 71.578079] libceph: connect [d::]:6789 error -99 [ 71.580091] libceph: connect [d::]:6789 error -99 [ 71.585064] libceph: mon0 [d::]:6789 connect error [ 71.589752] libceph: mon0 [d::]:6789 connect error [ 71.595419] libceph: connect [d::]:6789 error -99 [ 71.599727] libceph: connect [d::]:6789 error -99 [ 71.604817] libceph: mon0 [d::]:6789 connect error [ 71.609598] libceph: mon0 [d::]:6789 connect error [ 71.614816] libceph: connect [d::]:6789 error -99 [ 71.620891] libceph: connect [d::]:6789 error -99 [ 71.624591] libceph: mon0 [d::]:6789 connect error [ 71.629298] libceph: mon0 [d::]:6789 connect error [ 71.639243] libceph: connect [d::]:6789 error -99 [ 71.644405] libceph: mon0 [d::]:6789 connect error [ 71.649465] libceph: connect [d::]:6789 error -99 [ 71.654617] libceph: mon0 [d::]:6789 connect error [ 71.659648] libceph: connect [d::]:6789 error -99 [ 71.664782] libceph: mon0 [d::]:6789 connect error [ 72.509997] libceph: connect [d::]:6789 error -99 [ 72.515046] libceph: mon0 [d::]:6789 connect error [ 72.520195] libceph: connect [d::]:6789 error -99 [ 72.525117] libceph: mon0 [d::]:6789 connect error [ 72.590027] libceph: connect [d::]:6789 error -99 [ 72.594987] libceph: mon0 [d::]:6789 connect error [ 72.600116] libceph: connect [d::]:6789 error -99 [ 72.605075] libceph: mon0 [d::]:6789 connect error [ 72.610225] libceph: connect [d::]:6789 error -99 [ 72.615113] libceph: mon0 [d::]:6789 connect error [ 72.620164] libceph: connect [d::]:6789 error -99 [ 72.625038] libceph: mon0 [d::]:6789 connect error executing program executing program executing program executing program executing program [ 73.019727] libceph: connect [d::]:6789 error -99 [ 73.024807] libceph: mon0 [d::]:6789 connect error [ 73.030024] libceph: connect [d::]:6789 error -99 [ 73.034946] libceph: mon0 [d::]:6789 connect error [ 73.059081] libceph: connect [d::]:6789 error -99 [ 73.064116] libceph: mon0 [d::]:6789 connect error executing program [ 73.070971] libceph: connect [d::]:6789 error -99 [ 73.078520] libceph: mon0 [d::]:6789 connect error [ 73.083737] libceph: connect [d::]:6789 error -99 [ 73.088619] libceph: mon0 [d::]:6789 connect error [ 73.094186] libceph: connect [d::]:6789 error -99 [ 73.099056] libceph: mon0 [d::]:6789 connect error [ 73.114095] libceph: connect [d::]:6789 error -99 [ 73.119072] libceph: mon0 [d::]:6789 connect error [ 73.489988] libceph: connect [d::]:6789 error -99 [ 73.494963] libceph: mon0 [d::]:6789 connect error [ 73.520035] libceph: connect [d::]:6789 error -99 [ 73.525204] libceph: mon0 [d::]:6789 connect error [ 73.530402] libceph: connect [d::]:6789 error -99 [ 73.535310] libceph: mon0 [d::]:6789 connect error [ 73.540409] libceph: connect [d::]:6789 error -99 [ 73.545275] libceph: mon0 [d::]:6789 connect error [ 73.550329] libceph: connect [d::]:6789 error -99 [ 73.555198] libceph: mon0 [d::]:6789 connect error [ 73.560286] libceph: connect [d::]:6789 error -99 [ 73.565221] libceph: mon0 [d::]:6789 connect error [ 74.510034] libceph: connect [d::]:6789 error -99 [ 74.515094] libceph: mon0 [d::]:6789 connect error [ 74.590053] libceph: connect [d::]:6789 error -99 [ 74.594982] libceph: mon0 [d::]:6789 connect error [ 74.600143] libceph: connect [d::]:6789 error -99 [ 74.605026] libceph: mon0 [d::]:6789 connect error [ 74.610214] libceph: connect [d::]:6789 error -99 [ 74.615112] libceph: mon0 [d::]:6789 connect error [ 74.620290] libceph: connect [d::]:6789 error -99 [ 74.625187] libceph: mon0 [d::]:6789 connect error [ 74.630212] libceph: connect [d::]:6789 error -99 [ 74.635094] libceph: mon0 [d::]:6789 connect error [ 76.509980] libceph: connect [d::]:6789 error -99 [ 76.514939] libceph: mon0 [d::]:6789 connect error [ 76.590045] libceph: connect [d::]:6789 error -99 [ 76.595056] libceph: mon0 [d::]:6789 connect error [ 76.600270] libceph: connect [d::]:6789 error -99 [ 76.605233] libceph: mon0 [d::]:6789 connect error [ 76.610385] libceph: connect [d::]:6789 error -99 [ 76.615325] libceph: mon0 [d::]:6789 connect error [ 76.620544] libceph: connect [d::]:6789 error -99 [ 76.625546] libceph: mon0 [d::]:6789 connect error [ 76.630682] libceph: connect [d::]:6789 error -99 [ 76.635585] libceph: mon0 [d::]:6789 connect error [ 76.640833] libceph: connect [d::]:6789 error -99 [ 76.645701] libceph: mon0 [d::]:6789 connect error [ 76.650740] libceph: connect [d::]:6789 error -99 [ 76.655616] libceph: mon0 [d::]:6789 connect error [ 76.660711] libceph: connect [d::]:6789 error -99 [ 76.665606] libceph: mon0 [d::]:6789 connect error [ 76.670711] libceph: connect [d::]:6789 error -99 [ 76.675579] libceph: mon0 [d::]:6789 connect error [ 76.680641] libceph: connect [d::]:6789 error -99 [ 76.685517] libceph: mon0 [d::]:6789 connect error [ 76.690556] libceph: connect [d::]:6789 error -99 [ 76.695444] libceph: mon0 [d::]:6789 connect error [ 77.550047] libceph: connect [d::]:6789 error -99 [ 77.555110] libceph: mon0 [d::]:6789 connect error [ 77.560309] libceph: connect [d::]:6789 error -99 [ 77.565308] libceph: mon0 [d::]:6789 connect error [ 77.570514] libceph: connect [d::]:6789 error -99 [ 77.575385] libceph: mon0 [d::]:6789 connect error [ 77.580470] libceph: connect [d::]:6789 error -99 [ 77.585381] libceph: mon0 [d::]:6789 connect error [ 77.590452] libceph: connect [d::]:6789 error -99 [ 77.595319] libceph: mon0 [d::]:6789 connect error [ 77.600399] libceph: connect [d::]:6789 error -99 [ 77.605333] libceph: mon0 [d::]:6789 connect error executing program executing program executing program executing program executing program [ 78.034168] libceph: connect [d::]:6789 error -99 [ 78.039158] libceph: mon0 [d::]:6789 connect error [ 78.061720] libceph: connect [d::]:6789 error -99 [ 78.066721] libceph: mon0 [d::]:6789 connect error [ 78.072201] libceph: connect [d::]:6789 error -99 [ 78.077869] libceph: mon0 [d::]:6789 connect error executing program [ 78.082973] libceph: connect [d::]:6789 error -99 [ 78.087836] libceph: mon0 [d::]:6789 connect error [ 78.093740] libceph: connect [d::]:6789 error -99 [ 78.098787] libceph: mon0 [d::]:6789 connect error [ 78.117274] libceph: connect [d::]:6789 error -99 [ 78.122337] libceph: mon0 [d::]:6789 connect error [ 78.127720] WARNING: CPU: 0 PID: 8148 at net/ceph/messenger.c:3073 clear_standby+0x12f/0x160 [ 78.136334] Kernel panic - not syncing: panic_on_warn set ... [ 78.142201] CPU: 0 PID: 8148 Comm: syz-executor127 Not tainted 5.0.0-rc1+ #14 [ 78.149450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.158798] Call Trace: [ 78.161373] dump_stack+0x1db/0x2d0 [ 78.165108] ? dump_stack_print_info.cold+0x20/0x20 [ 78.170118] ? clear_standby+0x100/0x160 [ 78.174171] panic+0x2cb/0x65c [ 78.177363] ? add_taint.cold+0x16/0x16 [ 78.181333] ? clear_standby+0x12f/0x160 [ 78.185401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.190940] ? __probe_kernel_read+0x1f4/0x250 [ 78.195508] ? __warn.cold+0x5/0x48 [ 78.199175] ? __warn+0xe8/0x1d0 [ 78.202523] ? clear_standby+0x12f/0x160 [ 78.206618] __warn.cold+0x20/0x48 [ 78.210172] ? clear_standby+0x12f/0x160 [ 78.214223] report_bug+0x263/0x2b0 [ 78.217850] do_error_trap+0x11b/0x200 [ 78.221723] do_invalid_op+0x37/0x50 [ 78.225428] ? clear_standby+0x12f/0x160 [ 78.229495] invalid_op+0x14/0x20 [ 78.232934] RIP: 0010:clear_standby+0x12f/0x160 [ 78.237586] Code: de e8 c5 6c bb f9 48 85 db 0f 84 39 ff ff ff e8 17 6b bb f9 0f 0b e9 2d ff ff ff e8 5b 56 ff f9 e9 67 ff ff ff e8 01 6b bb f9 <0f> 0b eb a5 e8 68 56 ff f9 e9 f6 fe ff ff 4c 89 ef e8 5b 56 ff f9 [ 78.256758] RSP: 0018:ffff8880a57bf6d0 EFLAGS: 00010293 [ 78.262106] RAX: ffff8880a7fb66c0 RBX: ffff8880a52a4ca8 RCX: ffffffff87c68bd3 [ 78.269464] RDX: 0000000000000000 RSI: ffffffff87c68c2f RDI: 0000000000000007 [ 78.276736] RBP: ffff8880a57bf6e8 R08: ffff8880a7fb66c0 R09: ffffed1014a549c6 [ 78.284008] R10: ffff8880a57bf6e8 R11: ffff8880a52a4e2f R12: 0000000000000001 [ 78.291260] R13: ffff8880a52a4de0 R14: ffff8880a57bf798 R15: ffff8880a52a4e28 [ 78.298526] ? clear_standby+0xd3/0x160 [ 78.302485] ? clear_standby+0x12f/0x160 [ 78.306550] ceph_con_send+0x450/0x610 [ 78.310457] ? ceph_msg_new+0x40/0x40 [ 78.314262] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.319982] __send_prepared_auth_request+0x155/0x1b0 [ 78.325180] __open_session+0x3d9/0x570 [ 78.329156] ceph_monc_open_session+0x1a2/0x360 [ 78.333935] __ceph_open_session+0xe2/0x7e0 [ 78.338247] ? bdi_register_va+0x4c/0x80 [ 78.342293] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.347815] ? ceph_destroy_client+0x1a0/0x1a0 [ 78.352484] ? kill_block_super+0x100/0x100 [ 78.356796] ? ceph_put_super+0x70/0x70 [ 78.360751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.366544] ? ns_capable_common+0x141/0x170 [ 78.370984] ceph_mount+0x10b4/0x1c50 [ 78.374777] ? ceph_compare_super+0x510/0x510 [ 78.379261] ? m_stop+0x20/0x20 [ 78.382529] ? refcount_inc_not_zero_checked+0x2e0/0x2e0 [ 78.387967] ? __get_fs_type+0x9a/0xd0 [ 78.391839] ? find_held_lock+0x35/0x120 [ 78.395986] mount_fs+0x123/0x43a [ 78.399426] ? emergency_thaw_all+0x260/0x260 [ 78.403908] ? lock_release+0xc40/0xc40 [ 78.407875] ? apparmor_cred_prepare+0x5b0/0x5b0 [ 78.412624] vfs_kern_mount.part.0+0xdb/0x570 [ 78.417120] ? may_umount+0xb0/0xb0 [ 78.420739] ? _raw_read_unlock+0x2d/0x50 [ 78.424869] ? __get_fs_type+0x9a/0xd0 [ 78.428759] do_mount+0x58e/0x3330 [ 78.432281] ? lock_release+0xc40/0xc40 [ 78.436252] ? copy_mount_string+0x40/0x40 [ 78.440479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.446008] ? _copy_from_user+0xdd/0x150 [ 78.450274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.455899] ? copy_mount_options+0x30e/0x440 [ 78.460393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.465922] ksys_mount+0xdb/0x150 [ 78.469447] __x64_sys_mount+0xbe/0x150 [ 78.473424] do_syscall_64+0x1a3/0x800 [ 78.477312] ? syscall_return_slowpath+0x5f0/0x5f0 [ 78.482230] ? prepare_exit_to_usermode+0x232/0x3b0 [ 78.487230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.492061] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.497229] RIP: 0033:0x4411e9 [ 78.500405] Code: e8 6c e8 ff ff 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 cb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.519304] RSP: 002b:00007ffea14665d8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 78.527001] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00000000004411e9 [ 78.534255] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 78.541506] RBP: 0000000000011d83 R08: 0000000000000000 R09: 0000000000000009 [ 78.548890] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 78.556144] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 78.564509] Kernel Offset: disabled [ 78.568262] Rebooting in 86400 seconds..