[ 44.745687] audit: type=1800 audit(1547952507.197:30): pid=8027 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?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: [ 49.990911] kauditd_printk_skb: 4 callbacks suppressed [ 49.990926] audit: type=1400 audit(1547952512.467:35): avc: denied { map } for pid=8204 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 '10.128.10.32' (ECDSA) to the list of known hosts. [ 56.734949] audit: type=1400 audit(1547952519.207:36): avc: denied { map } for pid=8216 comm="syz-executor019" path="/root/syz-executor019079181" 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 [ 56.773273] IPVS: ftp: loaded support on port[0] = 21 [ 56.781969] IPVS: ftp: loaded support on port[0] = 21 [ 56.784451] IPVS: ftp: loaded support on port[0] = 21 [ 56.789963] IPVS: ftp: loaded support on port[0] = 21 [ 56.800099] IPVS: ftp: loaded support on port[0] = 21 [ 56.805470] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 57.072222] libceph: connect [d::]:6640 error -101 [ 57.078752] libceph: mon0 [d::]:6640 connect error [ 57.087211] libceph: connect [d::]:6640 error -101 [ 57.093493] libceph: mon0 [d::]:6640 connect error [ 57.103450] libceph: connect [d::]:6640 error -101 [ 57.108642] libceph: mon0 [d::]:6640 connect error [ 57.116630] libceph: connect [d::]:6640 error -101 [ 57.121754] libceph: mon0 [d::]:6640 connect error [ 57.128220] libceph: connect [d::]:6640 error -101 [ 57.135177] libceph: mon0 [d::]:6640 connect error [ 57.140996] libceph: connect [d::]:6640 error -101 [ 57.146219] libceph: mon0 [d::]:6640 connect error [ 57.505604] libceph: connect [d::]:6640 error -101 [ 57.510636] libceph: mon0 [d::]:6640 connect error [ 57.515785] libceph: connect [d::]:6640 error -101 [ 57.520886] libceph: mon0 [d::]:6640 connect error [ 57.526255] libceph: connect [d::]:6640 error -101 [ 57.531260] libceph: mon0 [d::]:6640 connect error [ 57.534921] libceph: connect [d::]:6640 error -101 [ 57.536374] libceph: connect [d::]:6640 error -101 [ 57.541234] libceph: mon0 [d::]:6640 connect error [ 57.546353] libceph: mon0 [d::]:6640 connect error [ 57.551742] libceph: connect [d::]:6640 error -101 [ 57.561306] libceph: mon0 [d::]:6640 connect error [ 58.524990] libceph: connect [d::]:6640 error -101 [ 58.530054] libceph: mon0 [d::]:6640 connect error [ 58.535505] libceph: connect [d::]:6640 error -101 [ 58.540558] libceph: mon0 [d::]:6640 connect error [ 58.545813] libceph: connect [d::]:6640 error -101 [ 58.550829] libceph: mon0 [d::]:6640 connect error [ 58.556142] libceph: connect [d::]:6640 error -101 [ 58.561114] libceph: mon0 [d::]:6640 connect error [ 58.604862] libceph: connect [d::]:6640 error -101 [ 58.609939] libceph: mon0 [d::]:6640 connect error [ 58.615269] libceph: connect [d::]:6640 error -101 [ 58.620364] libceph: mon0 [d::]:6640 connect error [ 60.525501] libceph: connect [d::]:6640 error -101 [ 60.530511] libceph: mon0 [d::]:6640 connect error [ 60.536083] libceph: connect [d::]:6640 error -101 [ 60.541078] libceph: mon0 [d::]:6640 connect error [ 60.546278] libceph: connect [d::]:6640 error -101 [ 60.551232] libceph: mon0 [d::]:6640 connect error [ 60.556542] libceph: connect [d::]:6640 error -101 [ 60.561516] libceph: mon0 [d::]:6640 connect error [ 60.567292] libceph: connect [d::]:6640 error -101 [ 60.572266] libceph: mon0 [d::]:6640 connect error [ 60.577509] libceph: connect [d::]:6640 error -101 [ 60.582474] libceph: mon0 [d::]:6640 connect error [ 60.587821] libceph: connect [d::]:6640 error -101 [ 60.592854] libceph: mon0 [d::]:6640 connect error [ 60.598253] libceph: connect [d::]:6640 error -101 [ 60.603214] libceph: mon0 [d::]:6640 connect error [ 60.614923] libceph: connect [d::]:6640 error -101 [ 60.620015] libceph: mon0 [d::]:6640 connect error [ 60.625314] libceph: connect [d::]:6640 error -101 [ 60.630374] libceph: mon0 [d::]:6640 connect error [ 60.635723] libceph: connect [d::]:6640 error -101 [ 60.640724] libceph: mon0 [d::]:6640 connect error [ 60.645836] libceph: connect [d::]:6640 error -101 [ 60.650811] libceph: mon0 [d::]:6640 connect error [ 61.564970] libceph: connect [d::]:6640 error -101 [ 61.564974] libceph: connect [d::]:6640 error -101 [ 61.565081] libceph: mon0 [d::]:6640 connect error [ 61.570166] libceph: mon0 [d::]:6640 connect error [ 61.575419] libceph: connect [d::]:6640 error -101 [ 61.580568] libceph: connect [d::]:6640 error -101 [ 61.585177] libceph: mon0 [d::]:6640 connect error [ 61.590223] libceph: mon0 [d::]:6640 connect error [ 61.595378] libceph: connect [d::]:6640 error -101 [ 61.609989] libceph: mon0 [d::]:6640 connect error [ 61.615157] libceph: connect [d::]:6640 error -101 [ 61.620155] libceph: mon0 [d::]:6640 connect error executing program executing program executing program executing program [ 62.057977] libceph: connect [d::]:6640 error -101 [ 62.063472] libceph: mon0 [d::]:6640 connect error executing program executing program [ 62.102169] libceph: connect [d::]:6640 error -101 [ 62.107924] libceph: mon0 [d::]:6640 connect error [ 62.128380] libceph: connect [d::]:6640 error -101 [ 62.133442] libceph: mon0 [d::]:6640 connect error [ 62.140524] libceph: connect [d::]:6640 error -101 [ 62.146986] libceph: mon0 [d::]:6640 connect error [ 62.152261] libceph: connect [d::]:6640 error -101 [ 62.157700] libceph: mon0 [d::]:6640 connect error [ 62.162916] libceph: connect [d::]:6640 error -101 [ 62.168096] libceph: mon0 [d::]:6640 connect error [ 62.504974] libceph: connect [d::]:6640 error -101 [ 62.510460] libceph: mon0 [d::]:6640 connect error [ 62.515628] libceph: connect [d::]:6640 error -101 [ 62.520638] libceph: mon0 [d::]:6640 connect error [ 62.525802] libceph: connect [d::]:6640 error -101 [ 62.530873] libceph: mon0 [d::]:6640 connect error [ 62.536083] libceph: connect [d::]:6640 error -101 [ 62.541126] libceph: mon0 [d::]:6640 connect error [ 62.544912] libceph: connect [d::]:6640 error -101 [ 62.551507] libceph: mon0 [d::]:6640 connect error [ 62.556974] libceph: connect [d::]:6640 error -101 [ 62.562056] libceph: mon0 [d::]:6640 connect error [ 63.564901] libceph: connect [d::]:6640 error -101 [ 63.564906] libceph: connect [d::]:6640 error -101 [ 63.564976] libceph: mon0 [d::]:6640 connect error [ 63.570110] libceph: mon0 [d::]:6640 connect error [ 63.575348] libceph: connect [d::]:6640 error -101 [ 63.580460] libceph: connect [d::]:6640 error -101 [ 63.585539] libceph: mon0 [d::]:6640 connect error [ 63.590262] libceph: mon0 [d::]:6640 connect error [ 63.595589] libceph: connect [d::]:6640 error -101 [ 63.610077] libceph: mon0 [d::]:6640 connect error [ 63.615264] libceph: connect [d::]:6640 error -101 [ 63.620272] libceph: mon0 [d::]:6640 connect error [ 65.564900] libceph: connect [d::]:6640 error -101 [ 65.564942] libceph: connect [d::]:6640 error -101 [ 65.570109] libceph: mon0 [d::]:6640 connect error [ 65.575173] libceph: mon0 [d::]:6640 connect error [ 65.580800] libceph: connect [d::]:6640 error -101 [ 65.585173] libceph: connect [d::]:6640 error -101 [ 65.590161] libceph: mon0 [d::]:6640 connect error [ 65.595097] libceph: mon0 [d::]:6640 connect error [ 65.600780] libceph: connect [d::]:6640 error -101 [ 65.605207] libceph: connect [d::]:6640 error -101 [ 65.610196] libceph: mon0 [d::]:6640 connect error [ 65.615136] libceph: mon0 [d::]:6640 connect error [ 65.620238] libceph: connect [d::]:6640 error -101 [ 65.625121] libceph: connect [d::]:6640 error -101 [ 65.630101] libceph: mon0 [d::]:6640 connect error [ 65.635046] libceph: mon0 [d::]:6640 connect error [ 65.645365] libceph: connect [d::]:6640 error -101 [ 65.650353] libceph: mon0 [d::]:6640 connect error [ 65.655476] libceph: connect [d::]:6640 error -101 [ 65.660469] libceph: mon0 [d::]:6640 connect error [ 65.665565] libceph: connect [d::]:6640 error -101 [ 65.670532] libceph: mon0 [d::]:6640 connect error [ 65.675629] libceph: connect [d::]:6640 error -101 [ 65.680592] libceph: mon0 [d::]:6640 connect error [ 66.524920] libceph: connect [d::]:6640 error -101 [ 66.530161] libceph: mon0 [d::]:6640 connect error [ 66.535729] libceph: connect [d::]:6640 error -101 [ 66.540745] libceph: mon0 [d::]:6640 connect error [ 66.545834] libceph: connect [d::]:6640 error -101 [ 66.550807] libceph: mon0 [d::]:6640 connect error [ 66.555887] libceph: connect [d::]:6640 error -101 [ 66.560846] libceph: mon0 [d::]:6640 connect error [ 66.604895] libceph: connect [d::]:6640 error -101 [ 66.609949] libceph: mon0 [d::]:6640 connect error [ 66.615229] libceph: connect [d::]:6640 error -101 [ 66.620293] libceph: mon0 [d::]:6640 connect error executing program executing program executing program executing program [ 67.059721] libceph: connect [d::]:6640 error -101 [ 67.064972] libceph: mon0 [d::]:6640 connect error [ 67.081481] libceph: connect [d::]:6640 error -101 [ 67.087210] libceph: mon0 [d::]:6640 connect error executing program executing program [ 67.106472] libceph: connect [d::]:6640 error -101 [ 67.111759] libceph: mon0 [d::]:6640 connect error [ 67.128249] libceph: connect [d::]:6640 error -101 [ 67.133227] libceph: mon0 [d::]:6640 connect error [ 67.143644] libceph: connect [d::]:6640 error -101 [ 67.148927] libceph: mon0 [d::]:6640 connect error [ 67.154969] WARNING: CPU: 0 PID: 8278 at net/ceph/messenger.c:3073 clear_standby+0x12f/0x160 [ 67.163605] Kernel panic - not syncing: panic_on_warn set ... [ 67.169483] CPU: 0 PID: 8278 Comm: syz-executor019 Not tainted 5.0.0-rc2+ #34 [ 67.176742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.186086] Call Trace: [ 67.188672] dump_stack+0x1db/0x2d0 [ 67.192386] ? dump_stack_print_info.cold+0x20/0x20 [ 67.197427] ? preempt_schedule_common+0x4f/0xe0 [ 67.202178] ? clear_standby+0x70/0x160 [ 67.206142] panic+0x2cb/0x65c [ 67.209324] ? add_taint.cold+0x16/0x16 [ 67.213288] ? clear_standby+0x12f/0x160 [ 67.217340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.222869] ? __probe_kernel_read+0x1f4/0x250 [ 67.227452] ? __warn.cold+0x5/0x48 [ 67.231069] ? __warn+0xe8/0x1d0 [ 67.234452] ? clear_standby+0x12f/0x160 [ 67.238502] __warn.cold+0x20/0x48 [ 67.242033] ? clear_standby+0x12f/0x160 [ 67.246085] report_bug+0x263/0x2b0 [ 67.249702] do_error_trap+0x11b/0x200 [ 67.253579] do_invalid_op+0x37/0x50 [ 67.257279] ? clear_standby+0x12f/0x160 [ 67.261332] invalid_op+0x14/0x20 [ 67.264777] RIP: 0010:clear_standby+0x12f/0x160 [ 67.269436] Code: de e8 f5 3e bb f9 48 85 db 0f 84 39 ff ff ff e8 47 3d bb f9 0f 0b e9 2d ff ff ff e8 1b 2e ff f9 e9 67 ff ff ff e8 31 3d bb f9 <0f> 0b eb a5 e8 28 2e ff f9 e9 f6 fe ff ff 4c 89 ef e8 1b 2e ff f9 [ 67.288449] RSP: 0018:ffff888096d476d0 EFLAGS: 00010293 [ 67.293799] RAX: ffff8880976e2600 RBX: ffff888095e7d1e8 RCX: ffffffff87c6c163 [ 67.301058] RDX: 0000000000000000 RSI: ffffffff87c6c1bf RDI: 0000000000000007 [ 67.308313] RBP: ffff888096d476e8 R08: ffff8880976e2600 R09: ffffed1012bcfa6e [ 67.315577] R10: ffff888096d476e8 R11: ffff888095e7d36f R12: 0000000000000001 [ 67.322839] R13: ffff888095e7d320 R14: ffff888096d47798 R15: ffff888095e7d368 [ 67.330108] ? clear_standby+0xd3/0x160 [ 67.334143] ? clear_standby+0x12f/0x160 [ 67.338206] ceph_con_send+0x450/0x610 [ 67.342087] ? ceph_msg_new+0x40/0x40 [ 67.345892] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 67.351444] __send_prepared_auth_request+0x155/0x1b0 [ 67.356698] __open_session+0x3d9/0x570 [ 67.360674] ceph_monc_open_session+0x1a2/0x360 [ 67.365336] __ceph_open_session+0xe2/0x7e0 [ 67.369648] ? bdi_register_va+0x4c/0x80 [ 67.373785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.379310] ? ceph_destroy_client+0x1a0/0x1a0 [ 67.383884] ? kill_block_super+0x100/0x100 [ 67.388197] ? ceph_put_super+0x70/0x70 [ 67.392168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.397702] ? ns_capable_common+0x141/0x170 [ 67.402108] ceph_mount+0x10d2/0x1c80 [ 67.405905] ? ceph_compare_super+0x510/0x510 [ 67.410405] ? m_stop+0x20/0x20 [ 67.413682] ? __get_fs_type+0x9a/0xd0 [ 67.417685] ? find_held_lock+0x35/0x120 [ 67.421746] mount_fs+0x123/0x43a [ 67.425193] ? emergency_thaw_all+0x260/0x260 [ 67.429685] ? lock_release+0xc40/0xc40 [ 67.433653] vfs_kern_mount.part.0+0xdb/0x570 [ 67.438140] ? may_umount+0xb0/0xb0 [ 67.441766] ? _raw_read_unlock+0x2d/0x50 [ 67.445905] ? __get_fs_type+0x9a/0xd0 [ 67.449795] do_mount+0x58e/0x3330 [ 67.453326] ? lock_release+0xc40/0xc40 [ 67.457299] ? copy_mount_string+0x40/0x40 [ 67.461546] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 67.467080] ? _copy_from_user+0xdd/0x150 [ 67.471220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 67.476752] ? copy_mount_options+0x30e/0x440 [ 67.481238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 67.486765] ksys_mount+0xdb/0x150 [ 67.490303] __x64_sys_mount+0xbe/0x150 [ 67.494269] do_syscall_64+0x1a3/0x800 [ 67.498148] ? syscall_return_slowpath+0x5f0/0x5f0 [ 67.503066] ? prepare_exit_to_usermode+0x232/0x3b0 [ 67.504869] libceph: connect [d::]:6640 error -101 [ 67.508078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.508100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.508107] RIP: 0033:0x442e89 [ 67.508117] Code: e8 7c e7 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 0b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.508122] RSP: 002b:00007ffc17d97468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.508135] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442e89 [ 67.513209] libceph: mon0 [d::]:6640 connect error [ 67.517978] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 67.517984] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000003e8 [ 67.517989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 67.517994] R13: 00000000004aa530 R14: 0000000000000000 R15: 0000000000000000 [ 67.524137] Kernel Offset: disabled [ 67.598781] Rebooting in 86400 seconds..