[....] 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. [ 29.209534] kauditd_printk_skb: 8 callbacks suppressed [ 29.209546] audit: type=1800 audit(1543908471.445:29): pid=5900 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.235026] audit: type=1800 audit(1543908471.455:30): pid=5900 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. syzkaller login: [ 40.410460] IPVS: ftp: loaded support on port[0] = 21 [ 40.412164] IPVS: ftp: loaded support on port[0] = 21 [ 40.424716] IPVS: ftp: loaded support on port[0] = 21 [ 40.428068] IPVS: ftp: loaded support on port[0] = 21 [ 40.444852] IPVS: ftp: loaded support on port[0] = 21 [ 40.459054] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program [ 40.611586] libceph: connect [d::]:6789 error -99 [ 40.620001] libceph: mon0 [d::]:6789 connect error [ 40.627467] libceph: connect [d::]:6789 error -99 [ 40.627788] libceph: connect [d::]:6789 error -99 [ 40.632411] libceph: mon0 [d::]:6789 connect error [ 40.638080] libceph: mon0 [d::]:6789 connect error executing program [ 40.670044] libceph: connect [d::]:6789 error -99 [ 40.676040] libceph: mon0 [d::]:6789 connect error [ 40.687327] libceph: connect [d::]:6789 error -99 [ 40.693969] libceph: mon0 [d::]:6789 connect error [ 40.701096] libceph: connect [d::]:6789 error -99 [ 40.706366] libceph: mon0 [d::]:6789 connect error [ 41.524084] libceph: connect [d::]:6789 error -99 [ 41.524089] libceph: connect [d::]:6789 error -99 [ 41.524165] libceph: mon0 [d::]:6789 connect error [ 41.529023] libceph: mon0 [d::]:6789 connect error [ 41.534309] libceph: connect [d::]:6789 error -99 [ 41.539287] libceph: connect [d::]:6789 error -99 [ 41.544119] libceph: mon0 [d::]:6789 connect error [ 41.549042] libceph: mon0 [d::]:6789 connect error [ 41.554057] libceph: connect [d::]:6789 error -99 [ 41.568626] libceph: mon0 [d::]:6789 connect error [ 41.573762] libceph: connect [d::]:6789 error -99 [ 41.578644] libceph: mon0 [d::]:6789 connect error [ 42.483623] libceph: connect [d::]:6789 error -99 [ 42.488659] libceph: mon0 [d::]:6789 connect error [ 42.493793] libceph: connect [d::]:6789 error -99 [ 42.498681] libceph: mon0 [d::]:6789 connect error [ 42.503802] libceph: connect [d::]:6789 error -99 [ 42.508821] libceph: mon0 [d::]:6789 connect error [ 42.513921] libceph: connect [d::]:6789 error -99 [ 42.518850] libceph: mon0 [d::]:6789 connect error [ 42.563446] libceph: connect [d::]:6789 error -99 [ 42.568425] libceph: mon0 [d::]:6789 connect error [ 42.573712] libceph: connect [d::]:6789 error -99 [ 42.578581] libceph: mon0 [d::]:6789 connect error [ 43.524270] libceph: connect [d::]:6789 error -99 [ 43.524623] libceph: connect [d::]:6789 error -99 [ 43.529223] libceph: mon0 [d::]:6789 connect error [ 43.534296] libceph: mon0 [d::]:6789 connect error [ 43.539297] libceph: connect [d::]:6789 error -99 [ 43.549051] libceph: mon0 [d::]:6789 connect error [ 43.554280] libceph: connect [d::]:6789 error -99 [ 43.559162] libceph: mon0 [d::]:6789 connect error [ 44.483480] libceph: connect [d::]:6789 error -99 [ 44.488519] libceph: mon0 [d::]:6789 connect error [ 44.493883] libceph: connect [d::]:6789 error -99 [ 44.498778] libceph: mon0 [d::]:6789 connect error [ 44.504273] libceph: connect [d::]:6789 error -99 [ 44.509154] libceph: mon0 [d::]:6789 connect error [ 44.514262] libceph: connect [d::]:6789 error -99 [ 44.519264] libceph: mon0 [d::]:6789 connect error [ 44.525051] libceph: connect [d::]:6789 error -99 [ 44.529951] libceph: mon0 [d::]:6789 connect error [ 44.535192] libceph: connect [d::]:6789 error -99 [ 44.540099] libceph: mon0 [d::]:6789 connect error [ 44.563414] libceph: connect [d::]:6789 error -99 [ 44.568419] libceph: mon0 [d::]:6789 connect error [ 45.523434] libceph: connect [d::]:6789 error -99 [ 45.523440] libceph: connect [d::]:6789 error -99 [ 45.523531] libceph: mon0 [d::]:6789 connect error [ 45.528389] libceph: mon0 [d::]:6789 connect error [ 45.533404] libceph: connect [d::]:6789 error -99 [ 45.547955] libceph: mon0 [d::]:6789 connect error [ 45.552959] libceph: connect [d::]:6789 error -99 [ 45.557887] libceph: mon0 [d::]:6789 connect error [ 45.562883] libceph: connect [d::]:6789 error -99 [ 45.567816] libceph: mon0 [d::]:6789 connect error executing program executing program [ 45.572810] libceph: connect [d::]:6789 error -99 [ 45.577732] libceph: mon0 [d::]:6789 connect error [ 45.601739] libceph: connect [d::]:6789 error -99 [ 45.606956] libceph: mon0 [d::]:6789 connect error [ 45.612333] WARNING: CPU: 1 PID: 6087 at net/ceph/messenger.c:3086 clear_standby+0x12f/0x160 [ 45.620947] Kernel panic - not syncing: panic_on_warn set ... [ 45.623965] kobject: 'ceph-8' (000000006f9b8033): kobject_add_internal: parent: 'bdi', set: 'devices' [ 45.626818] CPU: 1 PID: 6087 Comm: syz-executor474 Not tainted 4.20.0-rc5+ #362 [ 45.626828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.626831] Call Trace: [ 45.626851] dump_stack+0x244/0x39d [ 45.626865] ? dump_stack_print_info.cold.1+0x20/0x20 [ 45.626882] panic+0x2ad/0x55c [ 45.636546] kobject: 'ceph-8' (000000006f9b8033): kobject_uevent_env [ 45.643690] ? add_taint.cold.5+0x16/0x16 [ 45.643702] ? __warn.cold.8+0x5/0x45 [ 45.643709] ? __warn+0xe8/0x1d0 [ 45.643719] ? clear_standby+0x12f/0x160 [ 45.643727] __warn.cold.8+0x20/0x45 [ 45.643735] ? rcu_softirq_qs+0x20/0x20 [ 45.643743] ? clear_standby+0x12f/0x160 [ 45.643752] report_bug+0x254/0x2d0 [ 45.643767] do_error_trap+0x11b/0x200 [ 45.655032] kobject: 'ceph-8' (000000006f9b8033): fill_kobj_path: path = '/devices/virtual/bdi/ceph-8' [ 45.655735] do_invalid_op+0x36/0x40 [ 45.660620] libceph: connect [d::]:6789 error -99 [ 45.664527] ? clear_standby+0x12f/0x160 [ 45.664540] invalid_op+0x14/0x20 [ 45.664549] RIP: 0010:clear_standby+0x12f/0x160 [ 45.664562] Code: de e8 35 49 c6 f9 48 85 db 0f 84 39 ff ff ff e8 f7 47 c6 f9 0f 0b e9 2d ff ff ff e8 eb a0 09 fa e9 67 ff ff ff e8 e1 47 c6 f9 <0f> 0b eb a5 e8 f8 a0 09 fa e9 f6 fe ff ff 4c 89 ef e8 eb a0 09 fa [ 45.668916] libceph: mon0 [d::]:6789 connect error [ 45.674348] RSP: 0018:ffff8881c12ff640 EFLAGS: 00010293 [ 45.674358] RAX: ffff8881c0d8c4c0 RBX: ffff8881c1098f68 RCX: ffffffff87b95383 [ 45.674363] RDX: 0000000000000000 RSI: ffffffff87b953df RDI: 0000000000000007 [ 45.674369] RBP: ffff8881c12ff658 R08: ffff8881c0d8c4c0 R09: ffffed103821321d [ 45.674374] R10: ffff8881c12ff658 R11: ffff8881c10990ef R12: 0000000000000001 [ 45.674379] R13: ffff8881c10990a0 R14: ffff8881d50445a8 R15: ffff8881c12ff728 [ 45.674395] ? clear_standby+0xd3/0x160 [ 45.674403] ? clear_standby+0x12f/0x160 [ 45.674415] ceph_con_send+0x460/0x600 [ 45.674425] ? ceph_msg_new+0x40/0x40 [ 45.674440] ? ceph_auth_entity_name_encode+0x120/0x120 [ 45.825913] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 45.831444] __send_prepared_auth_request+0x155/0x1b0 [ 45.836621] __open_session+0x3cd/0x550 [ 45.840582] ceph_monc_open_session+0x193/0x350 [ 45.845244] __ceph_open_session+0xe2/0x810 [ 45.849605] ? apparmor_cred_transfer+0x590/0x590 [ 45.854448] ? bdi_register_va+0x49/0x80 [ 45.858494] ? ceph_destroy_client+0x1a0/0x1a0 [ 45.863102] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.868635] ? super_setup_bdi_name+0x1a5/0x240 [ 45.873299] ? kill_block_super+0x100/0x100 [ 45.877603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.883142] ceph_mount+0x11c5/0x1b30 [ 45.886935] ? ceph_compare_super+0x520/0x520 [ 45.891439] ? __get_fs_type+0x97/0xc0 [ 45.895341] ? lock_downgrade+0x900/0x900 [ 45.899481] mount_fs+0xae/0x31d [ 45.902834] vfs_kern_mount.part.35+0xdc/0x4f0 [ 45.907402] ? may_umount+0xb0/0xb0 [ 45.911014] ? _raw_read_unlock+0x2c/0x50 [ 45.915147] ? __get_fs_type+0x97/0xc0 [ 45.919028] do_mount+0x581/0x31f0 [ 45.922552] ? lock_downgrade+0x900/0x900 [ 45.926717] ? copy_mount_string+0x40/0x40 [ 45.930969] ? usercopy_warn+0x110/0x110 [ 45.935103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.940775] ? _copy_from_user+0xdf/0x150 [ 45.945060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.950597] ? copy_mount_options+0x315/0x430 [ 45.955079] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 45.960725] ksys_mount+0x12d/0x140 [ 45.964348] __x64_sys_mount+0xbe/0x150 [ 45.968444] do_syscall_64+0x1b9/0x820 [ 45.972337] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 45.977705] ? syscall_return_slowpath+0x5e0/0x5e0 [ 45.982622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.987451] ? trace_hardirqs_on_caller+0x310/0x310 [ 45.992451] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 45.997453] ? prepare_exit_to_usermode+0x291/0x3b0 [ 46.002454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.007408] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.012606] RIP: 0033:0x441049 [ 46.015794] 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 [ 46.035021] RSP: 002b:00007fff6f407fd8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 46.042720] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000441049 [ 46.049976] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 46.057348] RBP: 0000000000009e73 R08: 0000000000000000 R09: 0000000000000009 [ 46.064601] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 46.071977] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 46.080316] Kernel Offset: disabled [ 46.083993] Rebooting in 86400 seconds..