[....] 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. [ 26.754258] kauditd_printk_skb: 7 callbacks suppressed [ 26.754270] audit: type=1800 audit(1539638579.127:29): pid=5224 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 [ 26.781122] audit: type=1800 audit(1539638579.137:30): pid=5224 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 '10.128.0.81' (ECDSA) to the list of known hosts. syzkaller login: [ 36.943756] IPVS: ftp: loaded support on port[0] = 21 [ 36.949530] IPVS: ftp: loaded support on port[0] = 21 [ 36.955163] IPVS: ftp: loaded support on port[0] = 21 [ 36.963560] IPVS: ftp: loaded support on port[0] = 21 [ 36.966969] IPVS: ftp: loaded support on port[0] = 21 [ 36.969840] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 37.157746] libceph: connect [d::]:6789 error -99 [ 37.162937] libceph: mon0 [d::]:6789 connect error [ 37.174555] libceph: connect [d::]:6789 error -99 [ 37.190332] libceph: mon0 [d::]:6789 connect error [ 37.195635] libceph: connect [d::]:6789 error -99 [ 37.205169] libceph: mon0 [d::]:6789 connect error [ 37.211152] libceph: connect [d::]:6789 error -99 [ 37.216653] libceph: mon0 [d::]:6789 connect error [ 37.225996] libceph: connect [d::]:6789 error -99 [ 37.231801] libceph: mon0 [d::]:6789 connect error [ 37.237398] libceph: connect [d::]:6789 error -99 [ 37.242425] libceph: mon0 [d::]:6789 connect error [ 37.248481] libceph: connect [d::]:6789 error -99 [ 37.253557] libceph: mon0 [d::]:6789 connect error [ 37.497523] libceph: connect [d::]:6789 error -99 [ 37.502535] libceph: mon0 [d::]:6789 connect error [ 37.507733] libceph: connect [d::]:6789 error -99 [ 37.512818] libceph: mon0 [d::]:6789 connect error [ 37.526944] libceph: connect [d::]:6789 error -99 [ 37.532019] libceph: mon0 [d::]:6789 connect error [ 37.537318] libceph: connect [d::]:6789 error -99 [ 37.542262] libceph: mon0 [d::]:6789 connect error [ 37.547445] libceph: connect [d::]:6789 error -99 [ 37.552329] libceph: mon0 [d::]:6789 connect error [ 38.516946] libceph: connect [d::]:6789 error -99 [ 38.522078] libceph: mon0 [d::]:6789 connect error [ 38.527473] libceph: connect [d::]:6789 error -99 [ 38.532412] libceph: mon0 [d::]:6789 connect error [ 38.537738] libceph: connect [d::]:6789 error -99 [ 38.542651] libceph: mon0 [d::]:6789 connect error [ 38.596984] libceph: connect [d::]:6789 error -99 [ 38.601962] libceph: mon0 [d::]:6789 connect error [ 38.607159] libceph: connect [d::]:6789 error -99 [ 38.612105] libceph: mon0 [d::]:6789 connect error [ 38.617225] libceph: connect [d::]:6789 error -99 [ 38.622110] libceph: mon0 [d::]:6789 connect error [ 39.556899] libceph: connect [d::]:6789 error -99 [ 39.561931] libceph: mon0 [d::]:6789 connect error [ 40.517152] libceph: connect [d::]:6789 error -99 [ 40.522206] libceph: mon0 [d::]:6789 connect error [ 40.527769] libceph: connect [d::]:6789 error -99 [ 40.532662] libceph: mon0 [d::]:6789 connect error [ 40.538368] libceph: connect [d::]:6789 error -99 [ 40.543378] libceph: mon0 [d::]:6789 connect error [ 40.548530] libceph: connect [d::]:6789 error -99 [ 40.553426] libceph: mon0 [d::]:6789 connect error [ 40.558591] libceph: connect [d::]:6789 error -99 [ 40.563509] libceph: mon0 [d::]:6789 connect error [ 40.568657] libceph: connect [d::]:6789 error -99 [ 40.573567] libceph: mon0 [d::]:6789 connect error [ 40.596900] libceph: connect [d::]:6789 error -99 [ 40.601912] libceph: mon0 [d::]:6789 connect error [ 40.607297] libceph: connect [d::]:6789 error -99 [ 40.612266] libceph: mon0 [d::]:6789 connect error [ 40.618113] libceph: connect [d::]:6789 error -99 [ 40.623070] libceph: mon0 [d::]:6789 connect error [ 40.628389] libceph: connect [d::]:6789 error -99 [ 40.633370] libceph: mon0 [d::]:6789 connect error [ 41.557012] libceph: connect [d::]:6789 error -99 [ 41.557018] libceph: connect [d::]:6789 error -99 [ 41.562001] libceph: mon0 [d::]:6789 connect error [ 41.567226] libceph: mon0 [d::]:6789 connect error [ 41.572322] libceph: connect [d::]:6789 error -99 [ 41.577241] libceph: connect [d::]:6789 error -99 [ 41.582146] libceph: mon0 [d::]:6789 connect error [ 41.587091] libceph: mon0 [d::]:6789 connect error [ 41.596902] libceph: connect [d::]:6789 error -99 [ 41.601798] libceph: mon0 [d::]:6789 connect error [ 41.607014] libceph: connect [d::]:6789 error -99 [ 41.611922] libceph: mon0 [d::]:6789 connect error executing program executing program executing program executing program executing program [ 42.150267] libceph: connect [d::]:6789 error -99 [ 42.155314] libceph: mon0 [d::]:6789 connect error [ 42.167830] libceph: connect [d::]:6789 error -99 [ 42.174673] libceph: mon0 [d::]:6789 connect error [ 42.180602] libceph: connect [d::]:6789 error -99 [ 42.185640] libceph: mon0 [d::]:6789 connect error executing program [ 42.205013] libceph: connect [d::]:6789 error -99 [ 42.210546] libceph: mon0 [d::]:6789 connect error [ 42.227364] libceph: connect [d::]:6789 error -99 [ 42.232332] libceph: mon0 [d::]:6789 connect error [ 42.252102] libceph: connect [d::]:6789 error -99 [ 42.257404] libceph: mon0 [d::]:6789 connect error [ 42.496996] libceph: connect [d::]:6789 error -99 [ 42.502072] libceph: mon0 [d::]:6789 connect error [ 42.526911] libceph: connect [d::]:6789 error -99 [ 42.532017] libceph: mon0 [d::]:6789 connect error [ 42.537394] libceph: connect [d::]:6789 error -99 [ 42.542316] libceph: mon0 [d::]:6789 connect error [ 42.547463] libceph: connect [d::]:6789 error -99 [ 42.552403] libceph: mon0 [d::]:6789 connect error [ 43.556949] libceph: connect [d::]:6789 error -99 [ 43.557029] libceph: connect [d::]:6789 error -99 [ 43.561943] libceph: mon0 [d::]:6789 connect error [ 43.566985] libceph: mon0 [d::]:6789 connect error [ 43.573012] libceph: connect [d::]:6789 error -99 [ 43.577058] libceph: connect [d::]:6789 error -99 [ 43.582077] libceph: mon0 [d::]:6789 connect error [ 43.586831] libceph: mon0 [d::]:6789 connect error [ 43.592223] libceph: connect [d::]:6789 error -99 [ 43.596957] libceph: connect [d::]:6789 error -99 [ 43.602133] libceph: mon0 [d::]:6789 connect error [ 43.606663] libceph: mon0 [d::]:6789 connect error [ 44.516997] libceph: connect [d::]:6789 error -99 [ 44.522000] libceph: mon0 [d::]:6789 connect error [ 44.527189] libceph: connect [d::]:6789 error -99 [ 44.532132] libceph: mon0 [d::]:6789 connect error [ 45.556942] libceph: connect [d::]:6789 error -99 [ 45.556947] libceph: connect [d::]:6789 error -99 [ 45.557007] libceph: mon0 [d::]:6789 connect error [ 45.562040] libceph: mon0 [d::]:6789 connect error [ 45.567138] libceph: connect [d::]:6789 error -99 [ 45.572568] libceph: connect [d::]:6789 error -99 [ 45.576925] libceph: mon0 [d::]:6789 connect error [ 45.581912] libceph: mon0 [d::]:6789 connect error [ 45.586624] libceph: connect [d::]:6789 error -99 [ 45.591798] libceph: connect [d::]:6789 error -99 [ 45.596669] libceph: mon0 [d::]:6789 connect error [ 45.601817] libceph: mon0 [d::]:6789 connect error [ 45.607053] libceph: connect [d::]:6789 error -99 [ 45.611592] libceph: connect [d::]:6789 error -99 [ 45.616251] libceph: mon0 [d::]:6789 connect error [ 45.621313] libceph: mon0 [d::]:6789 connect error [ 45.626119] libceph: connect [d::]:6789 error -99 [ 45.641015] libceph: mon0 [d::]:6789 connect error [ 45.646066] libceph: connect [d::]:6789 error -99 [ 45.651002] libceph: mon0 [d::]:6789 connect error [ 46.516925] libceph: connect [d::]:6789 error -99 [ 46.521922] libceph: mon0 [d::]:6789 connect error [ 46.527030] libceph: connect [d::]:6789 error -99 [ 46.532140] libceph: mon0 [d::]:6789 connect error [ 46.537342] libceph: connect [d::]:6789 error -99 [ 46.542220] libceph: mon0 [d::]:6789 connect error [ 46.596945] libceph: connect [d::]:6789 error -99 [ 46.601880] libceph: mon0 [d::]:6789 connect error [ 46.606994] libceph: connect [d::]:6789 error -99 [ 46.611916] libceph: mon0 [d::]:6789 connect error [ 46.616972] libceph: connect [d::]:6789 error -99 [ 46.621840] libceph: mon0 [d::]:6789 connect error executing program executing program executing program executing program [ 47.136789] libceph: connect [d::]:6789 error -99 [ 47.142922] libceph: mon0 [d::]:6789 connect error [ 47.166226] libceph: connect [d::]:6789 error -99 [ 47.173109] libceph: mon0 [d::]:6789 connect error [ 47.183019] libceph: connect [d::]:6789 error -99 [ 47.189180] libceph: mon0 [d::]:6789 connect error [ 47.194285] libceph: connect [d::]:6789 error -99 [ 47.197260] WARNING: CPU: 0 PID: 5440 at net/ceph/messenger.c:3101 clear_standby+0x12f/0x160 [ 47.199474] libceph: mon0 [d::]:6789 connect error [ 47.207787] Kernel panic - not syncing: panic_on_warn set ... [ 47.207787] [ 47.207799] CPU: 0 PID: 5440 Comm: syz-executor151 Not tainted 4.19.0-rc8+ #285 [ 47.207804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.207808] Call Trace: [ 47.207824] dump_stack+0x1c4/0x2b4 [ 47.207837] ? dump_stack_print_info.cold.2+0x52/0x52 [ 47.248330] panic+0x238/0x4e7 [ 47.251514] ? add_taint.cold.5+0x16/0x16 [ 47.255659] ? __warn.cold.8+0x148/0x1ba [ 47.259767] ? __warn.cold.8+0x117/0x1ba [ 47.263829] ? clear_standby+0x12f/0x160 [ 47.267935] __warn.cold.8+0x163/0x1ba [ 47.271823] ? rcu_bh_qs+0xc0/0xc0 [ 47.275420] ? clear_standby+0x12f/0x160 [ 47.279482] report_bug+0x254/0x2d0 [ 47.283098] do_error_trap+0x1fc/0x4d0 [ 47.286977] ? math_error+0x3f0/0x3f0 [ 47.290775] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.295605] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.300621] ? kasan_check_write+0x14/0x20 [ 47.304842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.309670] do_invalid_op+0x1b/0x20 [ 47.313371] invalid_op+0x14/0x20 [ 47.316812] RIP: 0010:clear_standby+0x12f/0x160 [ 47.321469] Code: de e8 f5 f3 ef f9 48 85 db 0f 84 39 ff ff ff e8 b7 f2 ef f9 0f 0b e9 2d ff ff ff e8 9b 62 33 fa e9 67 ff ff ff e8 a1 f2 ef f9 <0f> 0b eb a5 e8 a8 62 33 fa e9 f6 fe ff ff 4c 89 ef e8 9b 62 33 fa [ 47.340360] RSP: 0018:ffff8801c060f640 EFLAGS: 00010293 [ 47.345714] RAX: ffff8801d87426c0 RBX: ffff8801d7ff4f68 RCX: ffffffff878eb653 [ 47.352975] RDX: 0000000000000000 RSI: ffffffff878eb6af RDI: 0000000000000007 [ 47.360233] RBP: ffff8801c060f658 R08: ffff8801d87426c0 R09: ffffed003affea1d [ 47.367535] R10: ffff8801c060f658 R11: ffff8801d7ff50ef R12: 0000000000000001 [ 47.374835] R13: ffff8801d7ff50a0 R14: ffff8801d81a2b90 R15: ffff8801c060f728 [ 47.382120] ? clear_standby+0xd3/0x160 [ 47.386085] ? clear_standby+0x12f/0x160 [ 47.390145] ceph_con_send+0x460/0x600 [ 47.394025] ? ceph_msg_data_add_pages+0x340/0x340 [ 47.398943] ? ceph_auth_entity_name_encode+0x120/0x120 [ 47.404294] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 47.409818] __send_prepared_auth_request+0x155/0x1b0 [ 47.414997] __open_session+0x3cd/0x550 [ 47.418960] ceph_monc_open_session+0x193/0x350 [ 47.423624] __ceph_open_session+0xe2/0x810 [ 47.427930] ? apparmor_cred_transfer+0x590/0x590 [ 47.432761] ? bdi_register_va+0x49/0x80 [ 47.436806] ? ceph_destroy_client+0x1a0/0x1a0 [ 47.441382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.446910] ? super_setup_bdi_name+0x1a5/0x240 [ 47.451562] ? kill_block_super+0x100/0x100 [ 47.455870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.461404] ceph_mount+0x11de/0x1b80 [ 47.465197] ? ceph_compare_super+0x520/0x520 [ 47.469680] ? find_held_lock+0x36/0x1c0 [ 47.473732] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 47.479255] ? alloc_pages_current+0x114/0x210 [ 47.483828] mount_fs+0xae/0x31d [ 47.487188] vfs_kern_mount.part.35+0xdc/0x4f0 [ 47.491764] ? may_umount+0xb0/0xb0 [ 47.495379] ? _raw_read_unlock+0x2c/0x50 [ 47.499518] ? __get_fs_type+0x97/0xc0 [ 47.503390] do_mount+0x581/0x31f0 [ 47.506918] ? copy_mount_string+0x40/0x40 [ 47.511141] ? copy_mount_options+0x5f/0x380 [ 47.515534] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.520544] ? kmem_cache_alloc_trace+0x353/0x750 [ 47.525379] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.530909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.536437] ? copy_mount_options+0x288/0x380 [ 47.540923] ksys_mount+0x12d/0x140 [ 47.544537] __x64_sys_mount+0xbe/0x150 [ 47.548512] do_syscall_64+0x1b9/0x820 [ 47.552400] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 47.557765] ? syscall_return_slowpath+0x5e0/0x5e0 [ 47.562687] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.567534] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.572555] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 47.577626] ? prepare_exit_to_usermode+0x291/0x3b0 [ 47.582651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.587491] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.592728] RIP: 0033:0x441049 [ 47.595922] 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 [ 47.614860] RSP: 002b:00007ffccfd33528 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 47.622561] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000441049 [ 47.629862] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 47.637221] RBP: 000000000000a49c R08: 0000000020000140 R09: 0000000000000009 [ 47.644480] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 47.651739] R13: 0000000000401f30 R14: 0000000000000000 R15: 0000000000000000 [ 47.659981] Kernel Offset: disabled [ 47.663667] Rebooting in 86400 seconds..