[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.091431] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 24.022967] random: sshd: uninitialized urandom read (32 bytes read) [ 24.342072] random: sshd: uninitialized urandom read (32 bytes read) [ 25.142917] random: sshd: uninitialized urandom read (32 bytes read) [ 25.300823] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.10.39' (ECDSA) to the list of known hosts. [ 30.713076] random: sshd: uninitialized urandom read (32 bytes read) [ 30.819178] IPVS: ftp: loaded support on port[0] = 21 [ 30.819428] IPVS: ftp: loaded support on port[0] = 21 [ 30.825583] IPVS: ftp: loaded support on port[0] = 21 [ 30.836855] IPVS: ftp: loaded support on port[0] = 21 [ 30.846254] IPVS: ftp: loaded support on port[0] = 21 [ 30.854975] IPVS: ftp: loaded support on port[0] = 21 [ 30.861872] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 30.868713] IPVS: ftp: loaded support on port[0] = 21 executing program executing program [ 30.943692] XFS (loop0): Invalid superblock magic number [ 30.950469] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program executing program executing program executing program [ 31.019365] XFS (loop0): Invalid superblock magic number [ 31.036212] XFS (loop1): Invalid superblock magic number executing program executing program [ 31.125328] XFS (loop7): Invalid superblock magic number [ 31.151496] XFS (loop6): Invalid superblock magic number [ 31.164814] XFS (loop4): Invalid superblock magic number executing program executing program executing program [ 31.170492] XFS (loop3): Invalid superblock magic number [ 31.170503] XFS (loop2): Invalid superblock magic number [ 31.182901] XFS (loop5): Invalid superblock magic number [ 31.196682] XFS (loop0): Invalid superblock magic number executing program executing program executing program [ 31.242962] XFS (loop1): Invalid superblock magic number executing program executing program executing program [ 31.328371] XFS (loop7): Invalid superblock magic number [ 31.328385] XFS (loop6): Invalid superblock magic number [ 31.361096] XFS (loop5): Invalid superblock magic number [ 31.372903] XFS (loop4): Invalid superblock magic number executing program executing program executing program [ 31.393390] XFS (loop0): Invalid superblock magic number [ 31.401111] XFS (loop1): Invalid superblock magic number executing program executing program [ 31.466372] XFS (loop3): Invalid superblock magic number [ 31.479372] XFS (loop2): Invalid superblock magic number [ 31.488082] XFS (loop7): Invalid superblock magic number executing program executing program executing program [ 31.511973] XFS (loop6): Invalid superblock magic number [ 31.522486] XFS (loop5): Invalid superblock magic number [ 31.522682] XFS (loop4): Invalid superblock magic number [ 31.528765] XFS (loop0): Invalid superblock magic number [ 31.556295] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program executing program [ 31.645675] XFS (loop3): Invalid superblock magic number [ 31.653887] XFS (loop7): Invalid superblock magic number executing program executing program executing program [ 31.712325] XFS (loop1): Invalid superblock magic number [ 31.718423] XFS (loop6): Invalid superblock magic number [ 31.729630] XFS (loop4): Invalid superblock magic number [ 31.734006] XFS (loop0): Invalid superblock magic number [ 31.741458] XFS (loop2): Invalid superblock magic number [ 31.745611] XFS (loop7): Invalid superblock magic number executing program executing program [ 31.800817] XFS (loop5): Invalid superblock magic number executing program executing program executing program [ 31.841857] XFS (loop3): Invalid superblock magic number executing program executing program [ 31.887886] XFS (loop2): Invalid superblock magic number [ 31.908209] XFS (loop6): Invalid superblock magic number [ 31.928336] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program [ 31.955072] XFS (loop4): Invalid superblock magic number [ 31.968617] XFS (loop3): Invalid superblock magic number [ 31.972869] XFS (loop7): Invalid superblock magic number [ 31.993269] XFS (loop0): Invalid superblock magic number [ 32.017068] XFS (loop6): Invalid superblock magic number [ 32.040739] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program [ 32.066195] XFS (loop4): Invalid superblock magic number [ 32.082820] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 32.127644] XFS (loop1): Invalid superblock magic number [ 32.162305] XFS (loop7): Invalid superblock magic number executing program executing program [ 32.194499] XFS (loop4): Invalid superblock magic number [ 32.200579] XFS (loop3): Invalid superblock magic number [ 32.202312] XFS (loop6): Invalid superblock magic number [ 32.219815] XFS (loop0): Invalid superblock magic number [ 32.228827] XFS (loop5): Invalid superblock magic number executing program executing program [ 32.262168] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 32.309406] XFS (loop1): Invalid superblock magic number executing program [ 32.385103] XFS (loop6): Invalid superblock magic number [ 32.412494] XFS (loop3): Invalid superblock magic number [ 32.412639] XFS (loop0): Invalid superblock magic number [ 32.428372] XFS (loop5): Invalid superblock magic number executing program executing program executing program [ 32.431125] XFS (loop2): Invalid superblock magic number [ 32.439886] XFS (loop1): Invalid superblock magic number [ 32.439974] XFS (loop4): Invalid superblock magic number executing program executing program executing program executing program [ 32.507782] XFS (loop7): Invalid superblock magic number executing program executing program executing program [ 32.576427] XFS (loop6): Invalid superblock magic number [ 32.606642] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 32.641986] XFS (loop0): Invalid superblock magic number [ 32.652977] XFS (loop1): Invalid superblock magic number [ 32.660613] XFS (loop3): Invalid superblock magic number [ 32.672577] XFS (loop7): Invalid superblock magic number [ 32.679230] XFS (loop4): Invalid superblock magic number executing program executing program [ 32.706872] XFS (loop5): Invalid superblock magic number [ 32.710274] XFS (loop2): Invalid superblock magic number [ 32.731110] XFS (loop6): Invalid superblock magic number executing program executing program executing program [ 32.841722] XFS (loop0): Invalid superblock magic number [ 32.872306] XFS (loop1): Invalid superblock magic number [ 32.901650] XFS (loop3): Invalid superblock magic number executing program executing program executing program [ 32.948678] XFS (loop7): Invalid superblock magic number executing program executing program [ 33.020068] XFS (loop2): Invalid superblock magic number [ 33.024982] XFS (loop4): Invalid superblock magic number [ 33.037912] XFS (loop5): Invalid superblock magic number [ 33.079699] XFS (loop1): Invalid superblock magic number [ 33.089041] XFS (loop0): Invalid superblock magic number [ 33.098419] XFS (loop7): Invalid superblock magic number executing program executing program [ 33.149188] XFS (loop6): Invalid superblock magic number [ 33.160683] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 33.230083] XFS (loop3): Invalid superblock magic number executing program executing program executing program [ 33.385674] XFS (loop4): Invalid superblock magic number [ 33.398664] XFS (loop3): Invalid superblock magic number [ 33.401986] XFS (loop0): Invalid superblock magic number [ 33.413802] XFS (loop7): Invalid superblock magic number [ 33.418411] XFS (loop6): Invalid superblock magic number [ 33.425241] XFS (loop5): Invalid superblock magic number executing program [ 33.461732] XFS (loop1): Invalid superblock magic number executing program executing program executing program [ 33.519271] XFS (loop2): Invalid superblock magic number executing program executing program executing program executing program [ 33.689787] XFS (loop4): Invalid superblock magic number [ 33.699650] XFS (loop7): Invalid superblock magic number [ 33.708945] XFS (loop0): Invalid superblock magic number executing program executing program [ 33.759456] XFS (loop6): Invalid superblock magic number [ 33.762408] XFS (loop3): Invalid superblock magic number [ 33.770826] XFS (loop1): Invalid superblock magic number [ 33.787384] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program executing program [ 33.907919] XFS (loop2): Invalid superblock magic number executing program [ 34.002138] XFS (loop4): Invalid superblock magic number [ 34.004872] XFS (loop0): Invalid superblock magic number [ 34.048134] XFS (loop6): Invalid superblock magic number [ 34.067829] XFS (loop7): Invalid superblock magic number [ 34.071911] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program [ 34.109677] XFS (loop3): Invalid superblock magic number [ 34.143191] XFS (loop1): Invalid superblock magic number executing program executing program executing program [ 34.185076] XFS (loop2): Invalid superblock magic number executing program [ 34.306323] XFS (loop6): Invalid superblock magic number [ 34.323421] XFS (loop4): Invalid superblock magic number [ 34.339611] XFS (loop7): Invalid superblock magic number [ 34.342387] XFS (loop5): Invalid superblock magic number executing program [ 34.380884] XFS (loop3): Invalid superblock magic number [ 34.386925] XFS (loop0): Invalid superblock magic number [ 34.418241] XFS (loop2): Invalid superblock magic number executing program [ 34.473070] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program executing program executing program [ 34.607327] XFS (loop6): Invalid superblock magic number [ 34.646554] XFS (loop4): Invalid superblock magic number executing program [ 34.661569] XFS (loop0): Invalid superblock magic number [ 34.678428] XFS (loop5): Invalid superblock magic number [ 34.685898] XFS (loop1): Invalid superblock magic number [ 34.700974] XFS (loop2): Invalid superblock magic number executing program executing program [ 34.707361] XFS (loop7): Invalid superblock magic number [ 34.713320] XFS (loop3): Invalid superblock magic number executing program executing program executing program executing program executing program [ 34.830909] XFS (loop6): Invalid superblock magic number executing program executing program [ 34.962277] XFS (loop1): Invalid superblock magic number [ 34.962389] XFS (loop4): Invalid superblock magic number [ 34.971883] XFS (loop2): Invalid superblock magic number [ 34.975876] XFS (loop5): Invalid superblock magic number [ 34.985618] XFS (loop3): Invalid superblock magic number executing program executing program [ 35.030684] XFS (loop7): Invalid superblock magic number [ 35.054192] XFS (loop0): Invalid superblock magic number executing program [ 35.120695] XFS (loop6): Invalid superblock magic number [ 35.146771] XFS (loop2): Invalid superblock magic number executing program [ 35.227812] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program executing program [ 35.268928] XFS (loop7): Invalid superblock magic number executing program [ 35.380361] XFS (loop6): Invalid superblock magic number [ 35.409169] XFS (loop1): Invalid superblock magic number [ 35.409497] XFS (loop5): Invalid superblock magic number executing program executing program executing program [ 35.437204] XFS (loop2): Invalid superblock magic number [ 35.472789] XFS (loop3): Invalid superblock magic number [ 35.479075] XFS (loop0): Invalid superblock magic number executing program [ 35.491759] XFS (loop7): Invalid superblock magic number [ 35.498852] XFS (loop4): Invalid superblock magic number executing program executing program executing program [ 35.647787] XFS (loop1): Invalid superblock magic number [ 35.666519] XFS (loop5): Invalid superblock magic number [ 35.702615] XFS (loop6): Invalid superblock magic number [ 35.719913] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 35.794305] XFS (loop3): Invalid superblock magic number [ 35.800286] XFS (loop0): Invalid superblock magic number executing program executing program executing program executing program [ 35.918083] XFS (loop2): Invalid superblock magic number [ 35.942690] XFS (loop4): Invalid superblock magic number executing program executing program [ 36.017674] XFS (loop1): Invalid superblock magic number [ 36.036513] XFS (loop7): Invalid superblock magic number [ 36.055362] XFS (loop5): Invalid superblock magic number executing program [ 36.076258] XFS (loop0): Invalid superblock magic number [ 36.100344] XFS (loop6): Invalid superblock magic number executing program [ 36.183378] XFS (loop2): Invalid superblock magic number [ 36.201882] XFS (loop3): Invalid superblock magic number executing program executing program executing program [ 36.243692] XFS (loop4): Invalid superblock magic number executing program executing program executing program [ 36.367159] XFS (loop6): Invalid superblock magic number [ 36.377566] XFS (loop5): Invalid superblock magic number [ 36.383559] XFS (loop1): Invalid superblock magic number [ 36.383935] XFS (loop7): Invalid superblock magic number [ 36.405319] XFS (loop3): Invalid superblock magic number executing program executing program executing program executing program [ 36.548438] XFS (loop0): Invalid superblock magic number [ 36.554504] XFS (loop2): Invalid superblock magic number executing program executing program [ 36.643116] XFS (loop4): Invalid superblock magic number [ 36.656534] XFS (loop5): Invalid superblock magic number executing program [ 36.695677] XFS (loop6): Invalid superblock magic number [ 36.707164] XFS (loop3): Invalid superblock magic number executing program executing program executing program [ 36.789704] XFS (loop1): Invalid superblock magic number executing program executing program [ 36.845162] XFS (loop7): Invalid superblock magic number [ 36.855540] XFS (loop0): Invalid superblock magic number executing program executing program [ 36.910655] XFS (loop2): Invalid superblock magic number [ 36.928350] XFS (loop6): Invalid superblock magic number [ 36.936681] XFS (loop4): Invalid superblock magic number [ 36.942699] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program [ 37.081545] XFS (loop3): Invalid superblock magic number [ 37.087313] XFS (loop1): Invalid superblock magic number [ 37.115044] XFS (loop7): Invalid superblock magic number executing program [ 37.152147] XFS (loop0): Invalid superblock magic number [ 37.163097] XFS (loop2): Invalid superblock magic number executing program executing program [ 37.228193] XFS (loop6): Invalid superblock magic number [ 37.234466] XFS (loop4): Invalid superblock magic number executing program executing program executing program executing program executing program [ 37.300139] XFS (loop5): Invalid superblock magic number [ 37.372446] XFS (loop1): Invalid superblock magic number [ 37.390478] XFS (loop3): Invalid superblock magic number [ 37.424273] XFS (loop7): Invalid superblock magic number executing program executing program executing program executing program executing program [ 37.500109] XFS (loop0): Invalid superblock magic number [ 37.506108] XFS (loop4): Invalid superblock magic number [ 37.511831] XFS (loop6): Invalid superblock magic number [ 37.532164] XFS (loop5): Invalid superblock magic number executing program executing program executing program [ 37.595743] XFS (loop2): Invalid superblock magic number executing program [ 37.680387] XFS (loop3): Invalid superblock magic number [ 37.695842] XFS (loop1): Invalid superblock magic number [ 37.720131] XFS (loop0): Invalid superblock magic number executing program executing program [ 37.759544] XFS (loop7): Invalid superblock magic number [ 37.770763] XFS (loop2): Invalid superblock magic number [ 37.773262] XFS (loop6): Invalid superblock magic number [ 37.794404] XFS (loop5): Invalid superblock magic number executing program [ 37.807272] XFS (loop4): Invalid superblock magic number executing program executing program executing program executing program [ 37.925960] XFS (loop3): Invalid superblock magic number [ 37.937125] XFS (loop2): Invalid superblock magic number [ 37.943584] XFS (loop0): Invalid superblock magic number [ 37.962417] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program [ 38.090117] XFS (loop7): Invalid superblock magic number [ 38.097875] XFS (loop4): Invalid superblock magic number [ 38.118326] XFS (loop3): Invalid superblock magic number [ 38.127721] XFS (loop2): Invalid superblock magic number executing program executing program executing program executing program [ 38.144909] XFS (loop5): Invalid superblock magic number [ 38.172275] XFS (loop6): Invalid superblock magic number executing program executing program executing program [ 38.249746] XFS (loop0): Invalid superblock magic number [ 38.284524] XFS (loop1): Invalid superblock magic number executing program [ 38.329692] XFS (loop7): Invalid superblock magic number [ 38.360949] XFS (loop4): Invalid superblock magic number [ 38.368652] XFS (loop3): Invalid superblock magic number executing program executing program executing program executing program [ 38.451428] XFS (loop5): Invalid superblock magic number [ 38.464305] XFS (loop6): Invalid superblock magic number [ 38.481186] XFS (loop4): Invalid superblock magic number [ 38.488647] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 38.523751] XFS (loop1): Invalid superblock magic number [ 38.550729] XFS (loop0): Invalid superblock magic number executing program executing program [ 38.632848] XFS (loop7): Invalid superblock magic number executing program executing program [ 38.693604] XFS (loop5): Invalid superblock magic number [ 38.704307] XFS (loop3): Invalid superblock magic number executing program [ 38.760571] XFS (loop4): Invalid superblock magic number [ 38.778288] XFS (loop6): Invalid superblock magic number executing program [ 38.804840] XFS (loop5): Invalid superblock magic number [ 38.822013] XFS (loop0): Invalid superblock magic number [ 38.829057] XFS (loop2): Invalid superblock magic number executing program executing program [ 38.855481] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program [ 38.925424] XFS (loop7): Invalid superblock magic number [ 38.963465] XFS (loop3): Invalid superblock magic number executing program [ 39.016675] XFS (loop5): Invalid superblock magic number executing program [ 39.071411] XFS (loop4): Invalid superblock magic number [ 39.087268] XFS (loop1): Invalid superblock magic number executing program executing program [ 39.124156] XFS (loop0): Invalid superblock magic number [ 39.137589] XFS (loop6): Invalid superblock magic number [ 39.152627] XFS (loop2): Invalid superblock magic number executing program executing program [ 39.175916] XFS (loop7): Invalid superblock magic number executing program executing program [ 39.254745] XFS (loop3): Invalid superblock magic number [ 39.293412] XFS (loop5): Invalid superblock magic number executing program [ 39.300337] XFS (loop4): Invalid superblock magic number executing program executing program executing program [ 39.368972] XFS (loop6): Invalid superblock magic number [ 39.384448] XFS (loop7): Invalid superblock magic number [ 39.384463] XFS (loop0): Invalid superblock magic number [ 39.399712] XFS (loop2): Invalid superblock magic number [ 39.413566] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program [ 39.535756] XFS (loop3): Invalid superblock magic number [ 39.550806] XFS (loop4): Invalid superblock magic number [ 39.556662] XFS (loop5): Invalid superblock magic number executing program [ 39.613591] XFS (loop7): Invalid superblock magic number [ 39.623915] XFS (loop1): Invalid superblock magic number [ 39.629825] XFS (loop2): Invalid superblock magic number executing program executing program executing program executing program executing program executing program [ 39.672419] XFS (loop0): Invalid superblock magic number [ 39.741201] XFS (loop6): Invalid superblock magic number executing program executing program [ 39.839996] XFS (loop5): Invalid superblock magic number [ 39.851898] XFS (loop3): Invalid superblock magic number [ 39.867961] XFS (loop1): Invalid superblock magic number [ 39.876390] XFS (loop4): Invalid superblock magic number executing program executing program [ 39.940500] XFS (loop2): Invalid superblock magic number [ 39.952375] XFS (loop0): Invalid superblock magic number [ 39.968056] XFS (loop7): Invalid superblock magic number [ 39.980283] XFS (loop6): Invalid superblock magic number executing program executing program executing program executing program executing program [ 40.075425] XFS (loop5): Invalid superblock magic number executing program [ 40.156286] XFS (loop1): Invalid superblock magic number [ 40.162926] XFS (loop4): Invalid superblock magic number executing program [ 40.216991] XFS (loop6): Invalid superblock magic number [ 40.223492] XFS (loop3): Invalid superblock magic number [ 40.232619] XFS (loop7): Invalid superblock magic number [ 40.249659] XFS (loop2): Invalid superblock magic number executing program executing program executing program executing program executing program [ 40.315000] XFS (loop5): Invalid superblock magic number [ 40.329121] XFS (loop0): Invalid superblock magic number executing program executing program [ 40.450378] XFS (loop4): Invalid superblock magic number [ 40.481875] XFS (loop3): Invalid superblock magic number executing program executing program [ 40.503566] XFS (loop2): Invalid superblock magic number [ 40.512756] XFS (loop1): Invalid superblock magic number [ 40.551803] XFS (loop6): Invalid superblock magic number [ 40.562531] XFS (loop7): Invalid superblock magic number [ 40.577765] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program [ 40.612275] XFS (loop0): Invalid superblock magic number executing program executing program [ 40.723662] XFS (loop5): Invalid superblock magic number [ 40.723666] XFS (loop6): Invalid superblock magic number [ 40.754970] XFS (loop3): Invalid superblock magic number executing program [ 40.813634] XFS (loop4): Invalid superblock magic number [ 40.826008] XFS (loop7): Invalid superblock magic number executing program executing program executing program executing program executing program [ 40.902156] XFS (loop2): Invalid superblock magic number [ 40.936116] XFS (loop1): Invalid superblock magic number executing program [ 40.991413] XFS (loop3): Invalid superblock magic number [ 41.001630] XFS (loop0): Invalid superblock magic number executing program executing program executing program [ 41.069605] XFS (loop5): Invalid superblock magic number [ 41.098800] XFS (loop6): Invalid superblock magic number [ 41.113402] XFS (loop4): Invalid superblock magic number [ 41.149421] XFS (loop2): Invalid superblock magic number [ 41.175364] XFS (loop7): Invalid superblock magic number [ 41.185360] XFS (loop1): Invalid superblock magic number executing program executing program executing program executing program executing program [ 41.297351] XFS (loop0): Invalid superblock magic number [ 41.300727] XFS (loop3): Invalid superblock magic number executing program executing program executing program [ 41.355594] XFS (loop5): Invalid superblock magic number [ 41.415822] XFS (loop4): Invalid superblock magic number [ 41.452811] XFS (loop6): Invalid superblock magic number [ 41.460223] XFS (loop2): Invalid superblock magic number executing program executing program [ 41.461687] XFS (loop1): Invalid superblock magic number [ 41.472312] XFS (loop7): Invalid superblock magic number executing program executing program executing program [ 41.536583] XFS (loop3): Invalid superblock magic number [ 41.574449] XFS (loop5): Invalid superblock magic number [ 41.580865] XFS (loop0): Invalid superblock magic number executing program executing program executing program [ 41.697372] XFS (loop4): Invalid superblock magic number [ 41.721754] XFS (loop2): Invalid superblock magic number [ 41.734677] XFS (loop6): Invalid superblock magic number executing program [ 41.749198] XFS (loop7): Invalid superblock magic number executing program executing program executing program [ 41.804464] XFS (loop3): Invalid superblock magic number [ 41.833230] XFS (loop0): Invalid superblock magic number [ 41.842289] XFS (loop1): Invalid superblock magic number [ 41.843628] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program [ 41.894138] XFS (loop4): Invalid superblock magic number executing program [ 41.992787] XFS (loop7): Invalid superblock magic number executing program [ 42.036906] XFS (loop6): Invalid superblock magic number [ 42.058663] XFS (loop2): Invalid superblock magic number [ 42.067471] XFS (loop1): Invalid superblock magic number executing program [ 42.087158] XFS (loop3): Invalid superblock magic number [ 42.095736] XFS (loop0): Invalid superblock magic number executing program executing program [ 42.145702] XFS (loop4): Invalid superblock magic number [ 42.162935] XFS (loop5): Invalid superblock magic number executing program executing program executing program executing program executing program [ 42.278571] XFS (loop7): Invalid superblock magic number [ 42.341348] XFS (loop6): Invalid superblock magic number [ 42.364589] XFS (loop2): Invalid superblock magic number [ 42.371477] XFS (loop3): Invalid superblock magic number executing program [ 42.395097] XFS (loop5): Invalid superblock magic number [ 42.430638] XFS (loop1): Invalid superblock magic number executing program executing program [ 42.444857] XFS (loop4): Invalid superblock magic number [ 42.455280] XFS (loop0): Invalid superblock magic number executing program executing program executing program executing program executing program [ 42.537352] XFS (loop7): Invalid superblock magic number executing program [ 42.602575] XFS (loop2): Invalid superblock magic number [ 42.622429] XFS (loop6): Invalid superblock magic number executing program executing program [ 42.671604] XFS (loop5): Invalid superblock magic number [ 42.679371] XFS (loop0): Invalid superblock magic number [ 42.698871] XFS (loop4): Invalid superblock magic number [ 42.713888] XFS (loop3): Invalid superblock magic number executing program executing program [ 42.720428] XFS (loop1): Invalid superblock magic number [ 42.740592] XFS (loop7): Invalid superblock magic number executing program executing program [ 42.832346] XFS (loop2): Invalid superblock magic number executing program executing program executing program [ 42.879634] XFS (loop5): Invalid superblock magic number [ 42.888961] XFS (loop6): Invalid superblock magic number [ 42.888976] XFS (loop4): Invalid superblock magic number executing program executing program [ 42.989101] XFS (loop7): Invalid superblock magic number [ 42.999730] XFS (loop3): Invalid superblock magic number executing program executing program [ 43.032264] XFS (loop1): Invalid superblock magic number [ 43.044449] XFS (loop2): Invalid superblock magic number executing program [ 43.091310] XFS (loop0): Invalid superblock magic number [ 43.099109] XFS (loop5): Invalid superblock magic number executing program executing program executing program [ 43.142278] XFS (loop6): Invalid superblock magic number [ 43.176397] XFS (loop4): Invalid superblock magic number executing program executing program [ 43.254609] XFS (loop7): Invalid superblock magic number [ 43.268912] XFS (loop3): Invalid superblock magic number executing program executing program [ 43.303780] XFS (loop0): Invalid superblock magic number [ 43.324867] XFS (loop1): Invalid superblock magic number [ 43.330288] XFS (loop5): Invalid superblock magic number [ 43.336582] XFS (loop2): Invalid superblock magic number executing program executing program executing program executing program executing program [ 43.488297] XFS (loop6): Invalid superblock magic number [ 43.497394] XFS (loop4): Invalid superblock magic number executing program executing program [ 43.541748] XFS (loop7): Invalid superblock magic number [ 43.584682] XFS (loop3): Invalid superblock magic number [ 43.592599] XFS (loop0): Invalid superblock magic number [ 43.596082] XFS (loop1): Invalid superblock magic number [ 43.623419] XFS (loop2): Invalid superblock magic number [ 43.629557] XFS (loop5): Invalid superblock magic number executing program executing program executing program [ 43.712904] XFS (loop6): Invalid superblock magic number [ 43.719870] XFS (loop4): Invalid superblock magic number [ 43.753137] XFS (loop7): Invalid superblock magic number [ 43.767240] ================================================================== [ 43.774842] BUG: KASAN: use-after-free in radix_tree_next_chunk+0xf9f/0xfb0 [ 43.781955] Read of size 4 at addr ffff8801d8d92588 by task syz-executor042/8776 [ 43.789489] [ 43.791127] CPU: 0 PID: 8776 Comm: syz-executor042 Not tainted 4.17.0-rc5+ #60 executing program executing program [ 43.798484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.807836] Call Trace: [ 43.810433] dump_stack+0x1b9/0x294 [ 43.814073] ? dump_stack_print_info.cold.2+0x52/0x52 [ 43.819269] ? printk+0x9e/0xba [ 43.822559] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 43.827327] ? kasan_check_write+0x14/0x20 [ 43.831577] print_address_description+0x6c/0x20b [ 43.836425] ? radix_tree_next_chunk+0xf9f/0xfb0 [ 43.841186] kasan_report.cold.7+0x242/0x2fe [ 43.845605] __asan_report_load4_noabort+0x14/0x20 [ 43.850539] radix_tree_next_chunk+0xf9f/0xfb0 [ 43.855129] ? debug_check_no_locks_freed+0x310/0x310 [ 43.860333] ? __lock_acquire+0x7f5/0x5140 [ 43.864570] ? __lock_acquire+0x7f5/0x5140 [ 43.868810] ? idr_preload+0x40/0x40 [ 43.872530] ? debug_check_no_locks_freed+0x310/0x310 [ 43.877724] ? debug_check_no_locks_freed+0x310/0x310 [ 43.882922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.888462] ? shrink_active_list+0xda2/0x17f0 [ 43.893049] ? flush_plug_callbacks+0x553/0x7f0 [ 43.897733] ? bio_cur_bytes+0x1e0/0x1e0 executing program executing program [ 43.901798] ? shrink_inactive_list+0x1c60/0x1c60 [ 43.906644] ? resched_curr+0x122/0x190 [ 43.910625] ? print_usage_bug+0xc0/0xc0 [ 43.914685] ? graph_lock+0x170/0x170 [ 43.918492] radix_tree_gang_lookup_tag+0x3d4/0x5f0 [ 43.923521] ? radix_tree_gang_lookup_slot+0x420/0x420 [ 43.928806] ? xfs_perag_get+0x600/0x600 [ 43.932870] ? find_held_lock+0x36/0x1c0 [ 43.936945] ? kasan_check_read+0x11/0x20 [ 43.938830] XFS (loop3): Invalid superblock magic number [ 43.941094] ? rcu_is_watching+0x85/0x140 [ 43.941130] ? find_held_lock+0x36/0x1c0 [ 43.941146] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 43.941167] xfs_perag_get_tag+0x12d/0x7c0 [ 43.941182] ? xfs_perag_get+0x600/0x600 [ 43.968250] ? rcu_is_watching+0x85/0x140 [ 43.972416] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 43.977618] ? list_lru_count_one+0x27f/0x440 [ 43.982120] xfs_reclaim_inodes_count+0x82/0xb0 [ 43.986221] XFS (loop0): Invalid superblock magic number [ 43.986791] xfs_fs_nr_cached_objects+0x37/0x50 [ 43.986805] ? xfs_fs_free_cached_objects+0x80/0x80 [ 43.986820] super_cache_count+0x98/0x280 [ 43.986839] shrink_slab.part.39+0x330/0xf90 [ 43.986860] ? kswapd_cpu_online+0x1e0/0x1e0 [ 44.014849] ? shrink_active_list+0x17f0/0x17f0 [ 44.019514] ? kasan_check_read+0x11/0x20 [ 44.023647] ? rcu_is_watching+0x85/0x140 [ 44.027787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.033318] shrink_slab+0xa1/0xc0 [ 44.036842] shrink_node+0x4f2/0x1740 [ 44.040636] ? shrink_node_memcg+0x1910/0x1910 [ 44.045204] ? mark_held_locks+0xc9/0x160 [ 44.049336] ? kasan_check_read+0x11/0x20 [ 44.053470] ? queue_work_on+0xe8/0x1e0 [ 44.057430] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.062431] ? trace_hardirqs_on+0xd/0x10 [ 44.066566] ? queue_work_on+0x12c/0x1e0 [ 44.070632] do_try_to_free_pages+0x3c9/0x1240 [ 44.075211] ? shrink_node+0x1740/0x1740 [ 44.079262] ? __lock_is_held+0xb5/0x140 [ 44.083327] try_to_free_mem_cgroup_pages+0x475/0xc50 [ 44.088514] ? pointer_string+0x1a0/0x1a0 [ 44.092654] ? try_to_free_pages+0xb30/0xb30 [ 44.097055] ? mutex_trylock+0x2a0/0x2a0 [ 44.101102] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 44.106274] ? memparse+0x168/0x1c0 [ 44.109885] ? get_options+0x360/0x360 [ 44.113763] ? kasan_kmalloc+0xc4/0xe0 [ 44.117632] ? __kmalloc+0x14e/0x760 [ 44.121328] ? __vfs_write+0x10b/0x960 [ 44.125207] memory_high_write+0x26e/0x2f0 [ 44.129429] ? mem_cgroup_css_released+0x140/0x140 [ 44.134345] ? graph_lock+0x170/0x170 [ 44.138136] ? kernfs_fop_write+0x227/0x480 [ 44.142451] ? lock_release+0xa10/0xa10 [ 44.146411] cgroup_file_write+0x317/0x820 [ 44.150629] ? mem_cgroup_css_released+0x140/0x140 [ 44.155541] ? init_and_link_css+0x880/0x880 [ 44.159930] ? __lock_is_held+0xb5/0x140 [ 44.163988] ? init_and_link_css+0x880/0x880 [ 44.168391] kernfs_fop_write+0x2ba/0x480 [ 44.172521] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.177085] __vfs_write+0x10b/0x960 [ 44.180780] ? kernfs_fop_open+0x1000/0x1000 [ 44.185168] ? kernel_read+0x120/0x120 [ 44.189051] ? __lock_is_held+0xb5/0x140 [ 44.193098] ? kasan_check_read+0x11/0x20 [ 44.197238] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.202250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.207782] ? __sb_start_write+0x17f/0x300 [ 44.212086] vfs_write+0x1f8/0x560 [ 44.215614] ksys_write+0xf9/0x250 [ 44.219144] ? __ia32_sys_read+0xb0/0xb0 [ 44.223211] __x64_sys_write+0x73/0xb0 [ 44.227089] do_syscall_64+0x1b1/0x800 [ 44.230964] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 44.235801] ? syscall_return_slowpath+0x5c0/0x5c0 [ 44.240724] ? syscall_return_slowpath+0x30f/0x5c0 [ 44.245648] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 44.251006] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.255845] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.261016] RIP: 0033:0x441d29 [ 44.264197] RSP: 002b:00007ffd74c58c38 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 44.271887] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441d29 [ 44.279138] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 [ 44.286395] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 44.293654] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000030 [ 44.300905] R13: 000000000000a9b8 R14: 0000000000000000 R15: 0000000000000000 [ 44.308172] [ 44.309791] Allocated by task 8739: [ 44.313404] save_stack+0x43/0xd0 [ 44.316839] kasan_kmalloc+0xc4/0xe0 [ 44.320534] kmem_cache_alloc_trace+0x152/0x780 [ 44.325185] xfs_fs_fill_super+0xda/0x1560 [ 44.329411] mount_bdev+0x30c/0x3e0 [ 44.333024] xfs_fs_mount+0x34/0x40 [ 44.336640] mount_fs+0xae/0x328 [ 44.339986] vfs_kern_mount.part.34+0xd4/0x4d0 [ 44.344551] do_mount+0x564/0x3070 [ 44.348075] ksys_mount+0x12d/0x140 [ 44.351688] __x64_sys_mount+0xbe/0x150 [ 44.355661] do_syscall_64+0x1b1/0x800 [ 44.359532] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.364694] [ 44.366302] Freed by task 8739: [ 44.369563] save_stack+0x43/0xd0 [ 44.373003] __kasan_slab_free+0x11a/0x170 [ 44.377226] kasan_slab_free+0xe/0x10 [ 44.381007] kfree+0xd9/0x260 [ 44.384107] xfs_fs_fill_super+0x66a/0x1560 [ 44.388417] mount_bdev+0x30c/0x3e0 [ 44.392034] xfs_fs_mount+0x34/0x40 [ 44.395650] mount_fs+0xae/0x328 [ 44.398996] vfs_kern_mount.part.34+0xd4/0x4d0 [ 44.403568] do_mount+0x564/0x3070 [ 44.407098] ksys_mount+0x12d/0x140 [ 44.410711] __x64_sys_mount+0xbe/0x150 [ 44.414665] do_syscall_64+0x1b1/0x800 [ 44.418535] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.423703] [ 44.425324] The buggy address belongs to the object at ffff8801d8d92180 [ 44.425324] which belongs to the cache kmalloc-4096 of size 4096 [ 44.438138] The buggy address is located 1032 bytes inside of [ 44.438138] 4096-byte region [ffff8801d8d92180, ffff8801d8d93180) [ 44.450165] The buggy address belongs to the page: [ 44.455077] page:ffffea0007636480 count:1 mapcount:0 mapping:ffff8801d8d92180 index:0x0 compound_mapcount: 0 [ 44.465035] flags: 0x2fffc0000008100(slab|head) [ 44.469710] raw: 02fffc0000008100 ffff8801d8d92180 0000000000000000 0000000100000001 [ 44.477577] raw: ffffea0006eac020 ffffea0007633c20 ffff8801da800dc0 0000000000000000 [ 44.485435] page dumped because: kasan: bad access detected [ 44.491120] [ 44.492733] Memory state around the buggy address: [ 44.497639] ffff8801d8d92480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.504979] ffff8801d8d92500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.512319] >ffff8801d8d92580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.519657] ^ [ 44.523294] ffff8801d8d92600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.530643] ffff8801d8d92680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 44.537976] ================================================================== [ 44.545313] Disabling lock debugging due to kernel taint [ 44.550939] Kernel panic - not syncing: panic_on_warn set ... [ 44.550939] [ 44.558301] CPU: 0 PID: 8776 Comm: syz-executor042 Tainted: G B 4.17.0-rc5+ #60 [ 44.567030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.576363] Call Trace: [ 44.578942] dump_stack+0x1b9/0x294 [ 44.582551] ? dump_stack_print_info.cold.2+0x52/0x52 [ 44.587724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.592461] ? radix_tree_next_chunk+0xf70/0xfb0 [ 44.597207] panic+0x22f/0x4de [ 44.600382] ? add_taint.cold.5+0x16/0x16 [ 44.604522] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.608910] ? do_raw_spin_unlock+0x9e/0x2e0 [ 44.613297] ? radix_tree_next_chunk+0xf9f/0xfb0 [ 44.618040] kasan_end_report+0x47/0x4f [ 44.621995] kasan_report.cold.7+0x76/0x2fe [ 44.626306] __asan_report_load4_noabort+0x14/0x20 [ 44.631222] radix_tree_next_chunk+0xf9f/0xfb0 [ 44.635790] ? debug_check_no_locks_freed+0x310/0x310 [ 44.640962] ? __lock_acquire+0x7f5/0x5140 [ 44.645179] ? __lock_acquire+0x7f5/0x5140 [ 44.649398] ? idr_preload+0x40/0x40 [ 44.653094] ? debug_check_no_locks_freed+0x310/0x310 [ 44.658265] ? debug_check_no_locks_freed+0x310/0x310 [ 44.663441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.668957] ? shrink_active_list+0xda2/0x17f0 [ 44.673521] ? flush_plug_callbacks+0x553/0x7f0 [ 44.678170] ? bio_cur_bytes+0x1e0/0x1e0 [ 44.682209] ? shrink_inactive_list+0x1c60/0x1c60 [ 44.687040] ? resched_curr+0x122/0x190 [ 44.691006] ? print_usage_bug+0xc0/0xc0 [ 44.695054] ? graph_lock+0x170/0x170 [ 44.698839] radix_tree_gang_lookup_tag+0x3d4/0x5f0 [ 44.703839] ? radix_tree_gang_lookup_slot+0x420/0x420 [ 44.709094] ? xfs_perag_get+0x600/0x600 [ 44.713136] ? find_held_lock+0x36/0x1c0 [ 44.717181] ? kasan_check_read+0x11/0x20 [ 44.721307] ? rcu_is_watching+0x85/0x140 [ 44.725434] ? find_held_lock+0x36/0x1c0 [ 44.729475] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 44.734648] xfs_perag_get_tag+0x12d/0x7c0 [ 44.738862] ? xfs_perag_get+0x600/0x600 [ 44.742902] ? rcu_is_watching+0x85/0x140 [ 44.747036] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 44.752216] ? list_lru_count_one+0x27f/0x440 [ 44.756711] xfs_reclaim_inodes_count+0x82/0xb0 [ 44.761364] xfs_fs_nr_cached_objects+0x37/0x50 [ 44.766019] ? xfs_fs_free_cached_objects+0x80/0x80 [ 44.771028] super_cache_count+0x98/0x280 [ 44.775161] shrink_slab.part.39+0x330/0xf90 [ 44.779555] ? kswapd_cpu_online+0x1e0/0x1e0 [ 44.783953] ? shrink_active_list+0x17f0/0x17f0 [ 44.788614] ? kasan_check_read+0x11/0x20 [ 44.792744] ? rcu_is_watching+0x85/0x140 [ 44.796878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.802413] shrink_slab+0xa1/0xc0 [ 44.805934] shrink_node+0x4f2/0x1740 [ 44.809730] ? shrink_node_memcg+0x1910/0x1910 [ 44.814295] ? mark_held_locks+0xc9/0x160 [ 44.818424] ? kasan_check_read+0x11/0x20 [ 44.822553] ? queue_work_on+0xe8/0x1e0 [ 44.826517] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.831516] ? trace_hardirqs_on+0xd/0x10 [ 44.836696] ? queue_work_on+0x12c/0x1e0 [ 44.840743] do_try_to_free_pages+0x3c9/0x1240 [ 44.845311] ? shrink_node+0x1740/0x1740 [ 44.849354] ? __lock_is_held+0xb5/0x140 [ 44.853406] try_to_free_mem_cgroup_pages+0x475/0xc50 [ 44.858575] ? pointer_string+0x1a0/0x1a0 [ 44.862702] ? try_to_free_pages+0xb30/0xb30 [ 44.867103] ? mutex_trylock+0x2a0/0x2a0 [ 44.871145] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 44.876318] ? memparse+0x168/0x1c0 [ 44.879932] ? get_options+0x360/0x360 [ 44.883810] ? kasan_kmalloc+0xc4/0xe0 [ 44.887677] ? __kmalloc+0x14e/0x760 [ 44.891370] ? __vfs_write+0x10b/0x960 [ 44.895261] memory_high_write+0x26e/0x2f0 [ 44.899482] ? mem_cgroup_css_released+0x140/0x140 [ 44.904391] ? graph_lock+0x170/0x170 [ 44.908173] ? kernfs_fop_write+0x227/0x480 [ 44.912474] ? lock_release+0xa10/0xa10 [ 44.916430] cgroup_file_write+0x317/0x820 [ 44.920646] ? mem_cgroup_css_released+0x140/0x140 [ 44.925555] ? init_and_link_css+0x880/0x880 [ 44.929954] ? __lock_is_held+0xb5/0x140 [ 44.933997] ? init_and_link_css+0x880/0x880 [ 44.938391] kernfs_fop_write+0x2ba/0x480 [ 44.942520] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 44.947084] __vfs_write+0x10b/0x960 [ 44.950776] ? kernfs_fop_open+0x1000/0x1000 [ 44.955166] ? kernel_read+0x120/0x120 [ 44.959039] ? __lock_is_held+0xb5/0x140 [ 44.963080] ? kasan_check_read+0x11/0x20 [ 44.967210] ? rcu_read_lock_sched_held+0x108/0x120 [ 44.972225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 44.977746] ? __sb_start_write+0x17f/0x300 [ 44.982055] vfs_write+0x1f8/0x560 [ 44.985580] ksys_write+0xf9/0x250 [ 44.989100] ? __ia32_sys_read+0xb0/0xb0 [ 44.993149] __x64_sys_write+0x73/0xb0 [ 44.997022] do_syscall_64+0x1b1/0x800 [ 45.000898] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 45.005731] ? syscall_return_slowpath+0x5c0/0x5c0 [ 45.010646] ? syscall_return_slowpath+0x30f/0x5c0 [ 45.015556] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 45.020902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.025727] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.030893] RIP: 0033:0x441d29 [ 45.034068] RSP: 002b:00007ffd74c58c38 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 45.041756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441d29 [ 45.049006] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 [ 45.056269] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 45.063533] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000030 [ 45.070799] R13: 000000000000a9b8 R14: 0000000000000000 R15: 0000000000000000 [ 45.078527] Dumping ftrace buffer: [ 45.082054] (ftrace buffer empty) [ 45.085739] Kernel Offset: disabled [ 45.089345] Rebooting in 86400 seconds..