[ 35.597269][ T26] audit: type=1800 audit(1547507863.532:28): pid=7512 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 35.990140][ T7577] sshd (7577) used greatest stack depth: 19480 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 36.187139][ T26] audit: type=1800 audit(1547507864.212:29): pid=7512 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 [ 36.207323][ T26] audit: type=1800 audit(1547507864.222:30): pid=7512 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 '10.128.0.138' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.902029][ T17] libceph: connect [d::]:6640 error -101 [ 76.908097][ T17] libceph: mon0 [d::]:6640 connect error [ 77.449596][ T7668] libceph: connect [d::]:6640 error -101 [ 77.455497][ T7668] libceph: mon0 [d::]:6640 connect error [ 78.469175][ T7668] libceph: connect [d::]:6640 error -101 [ 78.475105][ T7668] libceph: mon0 [d::]:6640 connect error [ 80.469097][ T7668] libceph: connect [d::]:6640 error -101 [ 80.475227][ T7668] libceph: mon0 [d::]:6640 connect error [ 80.550249][ T2979] libceph: connect [d::]:6640 error -101 [ 80.555938][ T2979] libceph: mon0 [d::]:6640 connect error [ 81.509067][ T2979] libceph: connect [d::]:6640 error -101 [ 81.514894][ T2979] libceph: mon0 [d::]:6640 connect error executing program [ 81.906190][ T7668] libceph: connect [d::]:6640 error -101 [ 81.912082][ T7668] libceph: mon0 [d::]:6640 connect error [ 82.449125][ T7668] libceph: connect [d::]:6640 error -101 [ 82.455007][ T7668] libceph: mon0 [d::]:6640 connect error [ 83.509180][ T7668] libceph: connect [d::]:6640 error -101 [ 83.515304][ T7668] libceph: mon0 [d::]:6640 connect error [ 85.509134][ T7668] libceph: connect [d::]:6640 error -101 [ 85.514920][ T7668] libceph: mon0 [d::]:6640 connect error [ 85.521374][ T7668] libceph: connect [d::]:6640 error -101 [ 85.527081][ T7668] libceph: mon0 [d::]:6640 connect error [ 86.469165][ T7668] libceph: connect [d::]:6640 error -101 [ 86.475009][ T7668] libceph: mon0 [d::]:6640 connect error executing program [ 86.911590][ T2979] libceph: connect [d::]:6640 error -101 [ 86.917338][ T2979] libceph: mon0 [d::]:6640 connect error [ 87.479134][ T2979] libceph: connect [d::]:6640 error -101 [ 87.484835][ T2979] libceph: mon0 [d::]:6640 connect error [ 88.549113][ T2979] libceph: connect [d::]:6640 error -101 [ 88.555136][ T2979] libceph: mon0 [d::]:6640 connect error [ 90.469108][ T7668] libceph: connect [d::]:6640 error -101 [ 90.474832][ T7668] libceph: mon0 [d::]:6640 connect error [ 91.509022][ T7668] libceph: connect [d::]:6640 error -101 [ 91.514727][ T7668] libceph: mon0 [d::]:6640 connect error executing program [ 91.915527][ T2979] libceph: connect [d::]:6640 error -101 [ 91.921717][ T2979] libceph: mon0 [d::]:6640 connect error [ 92.479158][ T2979] libceph: connect [d::]:6640 error -101 [ 92.485425][ T2979] libceph: mon0 [d::]:6640 connect error [ 93.509203][ T2979] libceph: connect [d::]:6640 error -101 [ 93.515136][ T2979] libceph: mon0 [d::]:6640 connect error [ 95.509301][ T2979] libceph: connect [d::]:6640 error -101 [ 95.515069][ T2979] libceph: mon0 [d::]:6640 connect error [ 95.522104][ T2979] libceph: connect [d::]:6640 error -101 [ 95.527907][ T2979] libceph: mon0 [d::]:6640 connect error [ 96.549297][ T2979] libceph: connect [d::]:6640 error -101 [ 96.555470][ T2979] libceph: mon0 [d::]:6640 connect error executing program [ 96.918803][ T2979] libceph: connect [d::]:6640 error -101 [ 96.924603][ T2979] libceph: mon0 [d::]:6640 connect error [ 97.479144][ T2979] libceph: connect [d::]:6640 error -101 [ 97.484815][ T2979] libceph: mon0 [d::]:6640 connect error [ 98.549183][ T2979] libceph: connect [d::]:6640 error -101 [ 98.555066][ T2979] libceph: mon0 [d::]:6640 connect error [ 100.549173][ T2979] libceph: connect [d::]:6640 error -101 [ 100.555060][ T2979] libceph: mon0 [d::]:6640 connect error [ 100.560928][ T2979] libceph: connect [d::]:6640 error -101 [ 100.566720][ T2979] libceph: mon0 [d::]:6640 connect error [ 101.509141][ T2979] libceph: connect [d::]:6640 error -101 [ 101.515297][ T2979] libceph: mon0 [d::]:6640 connect error executing program [ 101.922796][ T7668] libceph: connect [d::]:6640 error -101 [ 101.928609][ T7668] libceph: mon0 [d::]:6640 connect error [ 102.449308][ T7668] libceph: connect [d::]:6640 error -101 [ 102.454982][ T7668] libceph: mon0 [d::]:6640 connect error [ 103.509032][ T7668] libceph: connect [d::]:6640 error -101 [ 103.514786][ T7668] libceph: mon0 [d::]:6640 connect error [ 105.509057][ T7668] libceph: connect [d::]:6640 error -101 [ 105.514968][ T7668] libceph: mon0 [d::]:6640 connect error [ 105.521090][ T7668] libceph: connect [d::]:6640 error -101 [ 105.526798][ T7668] libceph: mon0 [d::]:6640 connect error [ 106.469093][ T7668] libceph: connect [d::]:6640 error -101 [ 106.474803][ T7668] libceph: mon0 [d::]:6640 connect error executing program [ 106.925252][ T7668] libceph: connect [d::]:6640 error -101 [ 106.931150][ T7668] libceph: mon0 [d::]:6640 connect error [ 107.449046][ T7668] libceph: connect [d::]:6640 error -101 [ 107.454693][ T7668] libceph: mon0 [d::]:6640 connect error [ 108.469061][ T7668] libceph: connect [d::]:6640 error -101 [ 108.474954][ T7668] libceph: mon0 [d::]:6640 connect error [ 110.469076][ T7668] libceph: connect [d::]:6640 error -101 [ 110.474827][ T7668] libceph: mon0 [d::]:6640 connect error [ 110.549147][ T2979] libceph: connect [d::]:6640 error -101 [ 110.555250][ T2979] libceph: mon0 [d::]:6640 connect error [ 111.509255][ T2979] libceph: connect [d::]:6640 error -101 [ 111.515100][ T2979] libceph: mon0 [d::]:6640 connect error executing program [ 111.931364][ T2979] libceph: connect [d::]:6640 error -101 [ 111.937064][ T2979] libceph: mon0 [d::]:6640 connect error [ 112.479097][ T2979] libceph: connect [d::]:6640 error -101 [ 112.485054][ T2979] libceph: mon0 [d::]:6640 connect error [ 113.509307][ T2979] libceph: connect [d::]:6640 error -101 [ 113.515040][ T2979] libceph: mon0 [d::]:6640 connect error [ 115.509996][ T7668] libceph: connect [d::]:6640 error -101 [ 115.515776][ T7668] libceph: mon0 [d::]:6640 connect error [ 116.469108][ T7668] libceph: connect [d::]:6640 error -101 [ 116.474804][ T7668] libceph: mon0 [d::]:6640 connect error executing program [ 116.937506][ T7668] libceph: connect [d::]:6640 error -101 [ 116.943422][ T7668] libceph: mon0 [d::]:6640 connect error [ 117.449125][ T7668] libceph: connect [d::]:6640 error -101 [ 117.454821][ T7668] libceph: mon0 [d::]:6640 connect error [ 118.469131][ T7668] libceph: connect [d::]:6640 error -101 [ 118.474911][ T7668] libceph: mon0 [d::]:6640 connect error [ 120.469227][ T7668] libceph: connect [d::]:6640 error -101 [ 120.474961][ T7668] libceph: mon0 [d::]:6640 connect error [ 120.549559][ T2979] libceph: connect [d::]:6640 error -101 [ 120.555342][ T2979] libceph: mon0 [d::]:6640 connect error [ 121.509140][ T2979] libceph: connect [d::]:6640 error -101 [ 121.514834][ T2979] libceph: mon0 [d::]:6640 connect error executing program [ 121.944486][ T7668] libceph: connect [d::]:6640 error -101 [ 121.950270][ T7668] libceph: mon0 [d::]:6640 connect error [ 122.449230][ T7668] libceph: connect [d::]:6640 error -101 [ 122.454962][ T7668] libceph: mon0 [d::]:6640 connect error [ 123.509118][ T7668] libceph: connect [d::]:6640 error -101 [ 123.514912][ T7668] libceph: mon0 [d::]:6640 connect error [ 125.509315][ T7668] libceph: connect [d::]:6640 error -101 [ 125.515110][ T7668] libceph: mon0 [d::]:6640 connect error [ 125.522777][ T7668] libceph: connect [d::]:6640 error -101 [ 125.528477][ T7668] libceph: mon0 [d::]:6640 connect error [ 126.469120][ T7668] libceph: connect [d::]:6640 error -101 [ 126.474819][ T7668] libceph: mon0 [d::]:6640 connect error executing program [ 126.958043][ T2979] libceph: connect [d::]:6640 error -101 [ 126.964812][ T2979] libceph: mon0 [d::]:6640 connect error [ 127.479153][ T2979] libceph: connect [d::]:6640 error -101 [ 127.484822][ T2979] libceph: mon0 [d::]:6640 connect error [ 128.549157][ T2979] libceph: connect [d::]:6640 error -101 [ 128.554862][ T2979] libceph: mon0 [d::]:6640 connect error [ 130.549128][ T2979] libceph: connect [d::]:6640 error -101 [ 130.554855][ T2979] libceph: mon0 [d::]:6640 connect error [ 130.560818][ T2979] libceph: connect [d::]:6640 error -101 [ 130.566480][ T2979] libceph: mon0 [d::]:6640 connect error [ 131.509098][ T2979] libceph: connect [d::]:6640 error -101 [ 131.514787][ T2979] libceph: mon0 [d::]:6640 connect error executing program [ 131.954228][ T2979] libceph: connect [d::]:6640 error -101 [ 131.959972][ T2979] libceph: mon0 [d::]:6640 connect error [ 131.966102][ T7699] WARNING: CPU: 0 PID: 7699 at net/ceph/messenger.c:3073 clear_standby+0x12f/0x160 [ 131.975452][ T7699] Kernel panic - not syncing: panic_on_warn set ... [ 131.982016][ T7699] CPU: 0 PID: 7699 Comm: syz-executor525 Not tainted 5.0.0-rc1-next-20190114 #11 [ 131.991087][ T7699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.001110][ T7699] Call Trace: [ 132.004377][ T7699] dump_stack+0x1db/0x2d0 [ 132.008686][ T7699] ? dump_stack_print_info.cold+0x20/0x20 [ 132.014389][ T7699] ? preempt_schedule+0x4b/0x60 [ 132.019218][ T7699] ? clear_standby+0xe0/0x160 [ 132.023868][ T7699] panic+0x2cb/0x65c [ 132.027738][ T7699] ? add_taint.cold+0x16/0x16 [ 132.032388][ T7699] ? clear_standby+0x12f/0x160 [ 132.037130][ T7699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 132.043344][ T7699] ? __probe_kernel_read+0x1f4/0x250 [ 132.048605][ T7699] ? __warn.cold+0x5/0x48 [ 132.052911][ T7699] ? __warn+0xe8/0x1d0 [ 132.056954][ T7699] ? clear_standby+0x12f/0x160 [ 132.061707][ T7699] __warn.cold+0x20/0x48 [ 132.065924][ T7699] ? clear_standby+0x12f/0x160 [ 132.070662][ T7699] report_bug+0x263/0x2b0 [ 132.074980][ T7699] do_error_trap+0x11b/0x200 [ 132.079548][ T7699] do_invalid_op+0x37/0x50 [ 132.083939][ T7699] ? clear_standby+0x12f/0x160 [ 132.088677][ T7699] invalid_op+0x14/0x20 [ 132.092807][ T7699] RIP: 0010:clear_standby+0x12f/0x160 [ 132.098151][ T7699] Code: de e8 e5 a3 b9 f9 48 85 db 0f 84 39 ff ff ff e8 37 a2 b9 f9 0f 0b e9 2d ff ff ff e8 0b f5 fd f9 e9 67 ff ff ff e8 21 a2 b9 f9 <0f> 0b eb a5 e8 18 f5 fd f9 e9 f6 fe ff ff 4c 89 ef e8 0b f5 fd f9 [ 132.117897][ T7699] RSP: 0018:ffff88808aeff7d8 EFLAGS: 00010293 [ 132.123940][ T7699] RAX: ffff88808faee0c0 RBX: ffff88808f22df68 RCX: ffffffff87c891f3 [ 132.131887][ T7699] RDX: 0000000000000000 RSI: ffffffff87c8924f RDI: 0000000000000007 [ 132.139831][ T7699] RBP: ffff88808aeff7f0 R08: ffff88808faee0c0 R09: ffffed1011e45c1e [ 132.147786][ T7699] R10: ffff88808aeff7f0 R11: ffff88808f22e0ef R12: 0000000000000001 [ 132.155729][ T7699] R13: ffff88808f22e0a0 R14: ffff88808aeff8a0 R15: ffff88808f22e0e8 [ 132.163686][ T7699] ? clear_standby+0xd3/0x160 [ 132.168340][ T7699] ? clear_standby+0x12f/0x160 [ 132.173080][ T7699] ? clear_standby+0x12f/0x160 [ 132.177819][ T7699] ceph_con_send+0x450/0x610 [ 132.182387][ T7699] ? ceph_parse_ips+0x9a0/0x9a0 [ 132.187226][ T7699] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 132.193443][ T7699] __send_prepared_auth_request+0x155/0x1b0 [ 132.199316][ T7699] __open_session+0x3d9/0x570 [ 132.203984][ T7699] ceph_monc_open_session+0x1a2/0x360 [ 132.209344][ T7699] __ceph_open_session+0xe2/0x7e0 [ 132.214351][ T7699] ? bdi_register_va+0x4c/0x80 [ 132.219093][ T7699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 132.225312][ T7699] ? ceph_destroy_client+0x1a0/0x1a0 [ 132.230582][ T7699] ? vfs_get_tree+0x450/0x450 [ 132.235234][ T7699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 132.241447][ T7699] ? ns_capable_common+0x93/0x100 [ 132.246446][ T7699] ? ceph_put_super+0x70/0x70 [ 132.251100][ T7699] ceph_mount+0x10d2/0x1c80 [ 132.255579][ T7699] ? ceph_compare_super+0x510/0x510 [ 132.260755][ T7699] ? vfs_parse_fs_string+0x1c0/0x2b0 [ 132.266025][ T7699] ? rcu_read_lock_sched_held+0x110/0x130 [ 132.271719][ T7699] ? kfree+0x1fa/0x230 [ 132.275878][ T7699] ? vfs_parse_fs_param+0x4b0/0x4b0 [ 132.281062][ T7699] ? ceph_compare_super+0x510/0x510 [ 132.286238][ T7699] legacy_get_tree+0xf2/0x200 [ 132.290890][ T7699] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 132.297105][ T7699] vfs_get_tree+0x123/0x450 [ 132.301586][ T7699] do_mount+0x1622/0x2fa0 [ 132.305890][ T7699] ? __check_object_size+0xa3/0x790 [ 132.311064][ T7699] ? copy_mount_string+0x40/0x40 [ 132.315980][ T7699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 132.322209][ T7699] ? _copy_from_user+0xdd/0x150 [ 132.327034][ T7699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 132.333249][ T7699] ? copy_mount_options+0x30e/0x440 [ 132.338421][ T7699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 132.344653][ T7699] ksys_mount+0xdb/0x150 [ 132.348888][ T7699] __x64_sys_mount+0xbe/0x150 [ 132.353550][ T7699] do_syscall_64+0x1a3/0x800 [ 132.358116][ T7699] ? syscall_return_slowpath+0x5f0/0x5f0 [ 132.363726][ T7699] ? prepare_exit_to_usermode+0x232/0x3b0 [ 132.369436][ T7699] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 132.374981][ T7699] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.380861][ T7699] RIP: 0033:0x441179 [ 132.384730][ T7699] Code: e8 3c aa 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 132.404335][ T7699] RSP: 002b:00007ffd417256b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 132.412739][ T7699] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441179 [ 132.420704][ T7699] RDX: 0000000020000100 RSI: 0000000020000080 RDI: 0000000020000040 [ 132.428657][ T7699] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000001e10 [ 132.436608][ T7699] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001efcb [ 132.444556][ T7699] R13: 0000000000402150 R14: 0000000000000000 R15: 0000000000000000 [ 132.453589][ T7699] Kernel Offset: disabled [ 132.457956][ T7699] Rebooting in 86400 seconds..