[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 40.884711] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 40.896318] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 40.917656] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 40.926427] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 40.937458] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 40.949149] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.137108] syz-executor384 (7985) used greatest stack depth: 25184 bytes left executing program executing program executing program executing program executing program executing program [ 41.459592] NILFS (loop1): error -4 creating segctord thread [ 41.465686] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.476918] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.503169] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.523585] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.533546] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 41.633156] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 41.742388] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.765908] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.769506] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 41.815048] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 41.866642] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 41.917777] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 41.975411] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 41.987497] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 42.074999] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 42.121803] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.125666] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.161021] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 42.196245] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.221818] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 42.381916] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.398885] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.419023] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 42.420779] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.450143] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 42.509333] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.510155] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.530854] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 42.639999] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.678950] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 42.701581] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.739010] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.789796] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.801351] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 42.920839] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 42.980452] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 42.990875] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 43.057310] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.071222] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.081701] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 43.145690] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.167655] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program [ 43.337646] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.368505] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 43.378609] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.392122] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.412242] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.421876] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 43.494575] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 43.620734] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 43.687530] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.715359] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 43.728626] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 43.965167] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 43.988700] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 44.006399] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.007915] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.027416] NILFS (loop2): error -4 creating segctord thread executing program executing program [ 44.088266] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 44.203126] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.222321] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 44.280337] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 44.366737] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.367441] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.378165] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 44.438055] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.462689] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.480835] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.546112] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 44.829466] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.841003] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 44.896955] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.908013] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 44.918808] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 44.968584] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 45.044364] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 45.128089] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.132849] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.150544] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.162496] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 45.212890] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 45.359171] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.369546] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.407062] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.409386] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 45.530958] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.541377] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.609137] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 45.663767] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.681324] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.693601] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 45.704506] NILFS error (device loop2): nilfs_check_page: bad entry in directory #12: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0 [ 45.741253] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.766574] Remounting filesystem read-only executing program executing program executing program [ 45.782900] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 45.975803] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 45.977386] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.009695] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 46.026606] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.046122] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 46.068057] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.120074] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program executing program [ 46.421160] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.431860] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.450771] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.453659] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.474127] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.477090] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 46.620357] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.663115] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program [ 46.769044] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.783680] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.800338] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 46.867651] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 46.920303] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.941241] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 46.953218] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 47.000754] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.020021] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 47.144827] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 47.231410] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.241779] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.244929] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 47.284290] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.319346] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 47.335705] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.356725] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program [ 47.599770] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.616889] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.644731] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.646006] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.674456] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 47.678352] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 47.802962] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 48.011593] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.025147] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.051005] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 48.079237] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 48.134783] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.168937] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 48.223659] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.235220] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 48.361084] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 48.463486] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.472060] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.488381] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 48.552668] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.556674] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 48.631570] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 48.733665] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.744102] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.744944] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 48.948764] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.954555] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.977481] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 48.992742] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 48.993654] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 49.058271] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 49.179474] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.181084] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 49.222849] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 49.273267] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.284469] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.300971] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.333917] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 49.565402] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.576965] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.595054] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.616124] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.677550] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.690851] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 49.965848] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.972196] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.988670] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 49.998833] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 50.019262] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 50.071256] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 50.135732] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 50.277717] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.282390] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 50.350772] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.366062] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.389252] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 50.429680] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 50.553134] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.564738] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 50.649096] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.669933] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.725086] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.736289] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.773391] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.804553] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 50.819598] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 51.112649] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.130297] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.147014] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 51.181216] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.195700] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 51.272849] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.273461] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.307016] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 51.375970] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 51.427573] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.447167] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 51.584065] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.588933] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.604576] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.624212] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program executing program executing program [ 51.844162] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.847634] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 51.893996] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 51.915387] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 51.990565] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.010923] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.021095] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.030992] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 52.164712] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 52.221097] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.233350] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 52.270013] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.305560] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 52.360455] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 52.412615] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.424418] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 52.508052] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.522678] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.533371] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.561220] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.576189] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 52.739552] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 52.813753] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.824237] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.834245] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 52.893209] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 52.945733] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.994482] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 52.998637] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.007073] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 53.044866] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 53.271517] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.292895] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.306269] NILFS (loop3): error -4 creating segctord thread [ 53.326524] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 53.422042] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program [ 53.511741] print_req_error: I/O error, dev loop0, sector 0 [ 53.540627] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.556868] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.560067] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.607777] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.654098] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program executing program executing program executing program [ 53.816297] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 53.873734] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 53.895739] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 53.931240] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.053022] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.084755] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.089673] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.106519] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.133349] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.172893] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.253080] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.321965] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 54.372510] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 54.519049] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.571615] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.582181] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.583248] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.654922] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program executing program [ 54.781422] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.805363] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program executing program [ 54.835077] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.846974] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds executing program [ 54.902786] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.905881] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.924385] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 54.958258] NILFS error (device loop4): nilfs_check_page: bad entry in directory #12: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0 [ 54.992272] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 55.007891] Remounting filesystem read-only executing program executing program executing program [ 55.048754] NILFS (loop4): discard dirty page: offset=0, ino=3 [ 55.057970] NILFS (loop4): discard dirty block: blocknr=42, size=1024 [ 55.084720] NILFS (loop4): discard dirty block: blocknr=43, size=1024 [ 55.094684] NILFS (loop4): discard dirty block: blocknr=44, size=1024 [ 55.101418] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024 [ 55.110020] NILFS (loop4): discard dirty page: offset=268697600, ino=6 [ 55.116737] NILFS (loop4): discard dirty block: blocknr=18446744073709551615, size=1024 [ 55.132747] NILFS (loop4): discard dirty block: blocknr=0, size=1024 [ 55.139442] NILFS (loop4): discard dirty block: blocknr=0, size=1024 [ 55.145921] NILFS (loop4): discard dirty block: blocknr=0, size=1024 [ 55.154232] ------------[ cut here ]------------ [ 55.159059] WARNING: CPU: 0 PID: 7979 at fs/buffer.c:1149 mark_buffer_dirty+0x347/0x480 [ 55.167180] Kernel panic - not syncing: panic_on_warn set ... [ 55.167180] [ 55.174695] CPU: 0 PID: 7979 Comm: syz-executor384 Not tainted 4.14.299-syzkaller #0 [ 55.182551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 55.191891] Call Trace: [ 55.194462] dump_stack+0x1b2/0x281 [ 55.198069] panic+0x1f9/0x42d [ 55.201247] ? add_taint.cold+0x16/0x16 [ 55.205205] ? mark_buffer_dirty+0x347/0x480 [ 55.209596] ? mark_buffer_dirty+0x347/0x480 [ 55.213980] __warn.cold+0x20/0x44 [ 55.217504] ? ist_end_non_atomic+0x10/0x10 [ 55.221807] ? mark_buffer_dirty+0x347/0x480 [ 55.226193] report_bug+0x208/0x250 [ 55.229806] do_error_trap+0x195/0x2d0 [ 55.233674] ? math_error+0x2d0/0x2d0 [ 55.237456] ? nilfs_palloc_prepare_alloc_entry+0x63f/0x950 [ 55.243156] ? lock_downgrade+0x740/0x740 [ 55.247281] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.252104] invalid_op+0x1b/0x40 [ 55.255538] ? mark_buffer_dirty+0x347/0x480 [ 55.259920] ? mark_buffer_dirty+0x347/0x480 [ 55.264310] ? nilfs_palloc_commit_alloc_entry+0x3d/0x150 [ 55.269852] ? nilfs_dat_commit_alloc+0x1d1/0x290 [ 55.274675] ? nilfs_direct_propagate+0x1d4/0x270 [ 55.279492] ? nilfs_direct_lookup_contig+0x280/0x280 [ 55.284664] ? lock_acquire+0x170/0x3f0 [ 55.288619] ? nilfs_bmap_propagate+0x21/0x160 [ 55.293180] ? nilfs_bmap_propagate+0x73/0x160 [ 55.297737] ? nilfs_collect_file_data+0x41/0xb0 [ 55.302468] ? nilfs_segctor_apply_buffers+0x191/0x450 [ 55.307729] ? nilfs_collect_dat_data+0xb0/0xb0 [ 55.312381] ? nilfs_segctor_scan_file+0x366/0x630 [ 55.317289] ? nilfs_collect_file_data+0xb0/0xb0 [ 55.322024] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 55.327458] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 55.332453] ? nilfs_segctor_do_construct+0x123a/0x79c0 [ 55.337852] ? nilfs_segctor_scan_file+0x630/0x630 [ 55.342759] ? lock_acquire+0x170/0x3f0 [ 55.346708] ? lock_downgrade+0x740/0x740 [ 55.350837] ? do_raw_spin_unlock+0x164/0x220 [ 55.355309] ? _raw_spin_unlock+0x29/0x40 [ 55.359432] ? nilfs_segctor_construct+0x6db/0x8e0 [ 55.364337] ? nilfs_detach_log_writer+0x398/0x980 [ 55.369243] ? nilfs_clean_segments+0x9e0/0x9e0 [ 55.373899] ? dispose_list+0x11c/0x1e0 [ 55.377858] ? wait_woken+0x230/0x230 [ 55.381637] ? dispose_list+0x1e0/0x1e0 [ 55.385588] ? nilfs_put_super+0x3f/0x190 [ 55.389708] ? nilfs_freeze+0xb0/0xb0 [ 55.393484] ? generic_shutdown_super+0x144/0x370 [ 55.398475] ? kill_block_super+0x95/0xe0 [ 55.402604] ? deactivate_locked_super+0x6c/0xd0 [ 55.407343] ? deactivate_super+0x7f/0xa0 [ 55.411466] ? cleanup_mnt+0x186/0x2c0 [ 55.415328] ? task_work_run+0x11f/0x190 [ 55.419364] ? exit_to_usermode_loop+0x1ad/0x200 [ 55.424094] ? do_syscall_64+0x4a3/0x640 [ 55.428132] ? entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 55.433753] Kernel Offset: disabled [ 55.437411] Rebooting in 86400 seconds..