[ 42.695012] audit: type=1800 audit(1556470097.576:30): pid=7727 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.876331] kauditd_printk_skb: 4 callbacks suppressed [ 46.876347] audit: type=1400 audit(1556470101.796:35): avc: denied { map } for pid=7898 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts. [ 156.858598] audit: type=1400 audit(1556470211.776:36): avc: denied { map } for pid=7910 comm="syz-executor819" path="/root/syz-executor819414675" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 156.898705] IPVS: ftp: loaded support on port[0] = 21 [ 156.924845] IPVS: ftp: loaded support on port[0] = 21 [ 156.927018] IPVS: ftp: loaded support on port[0] = 21 [ 156.933332] IPVS: ftp: loaded support on port[0] = 21 [ 156.941613] IPVS: ftp: loaded support on port[0] = 21 [ 156.941761] IPVS: ftp: loaded support on port[0] = 21 executing program [ 156.960080] audit: type=1400 audit(1556470211.876:37): avc: denied { associate } for pid=7917 comm="syz-executor819" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 executing program executing program [ 157.025527] input: syz1 as /devices/virtual/input/input5 executing program [ 157.079758] input: syz1 as /devices/virtual/input/input6 [ 157.089396] input: syz1 as /devices/virtual/input/input7 [ 157.098118] input: syz1 as /devices/virtual/input/input8 executing program [ 157.122218] input: syz1 as /devices/virtual/input/input9 executing program executing program executing program [ 157.178285] input: syz1 as /devices/virtual/input/input10 [ 157.185054] input: syz1 as /devices/virtual/input/input11 [ 157.205210] input: syz1 as /devices/virtual/input/input13 [ 157.255715] input: syz1 as /devices/virtual/input/input14 [ 157.266574] input: syz1 as /devices/virtual/input/input15 executing program executing program [ 157.348792] input: syz1 as /devices/virtual/input/input17 [ 157.356493] input: syz1 as /devices/virtual/input/input18 [ 157.390737] input: syz1 as /devices/virtual/input/input19 executing program [ 157.461150] input: syz1 as /devices/virtual/input/input21 [ 157.503770] input: syz1 as /devices/virtual/input/input22 executing program executing program [ 157.580493] input: syz1 as /devices/virtual/input/input24 [ 157.592238] input: syz1 as /devices/virtual/input/input25 [ 157.603149] input: syz1 as /devices/virtual/input/input26 executing program executing program [ 157.664741] input: syz1 as /devices/virtual/input/input27 [ 157.682949] input: syz1 as /devices/virtual/input/input28 [ 157.723546] input: syz1 as /devices/virtual/input/input29 [ 157.753135] input: syz1 as /devices/virtual/input/input30 executing program executing program [ 157.843499] input: syz1 as /devices/virtual/input/input31 [ 157.862074] input: syz1 as /devices/virtual/input/input32 [ 157.899382] input: syz1 as /devices/virtual/input/input33 executing program executing program executing program [ 157.978813] input: syz1 as /devices/virtual/input/input35 [ 158.008869] input: syz1 as /devices/virtual/input/input36 executing program executing program [ 158.050135] input: syz1 as /devices/virtual/input/input37 [ 158.093989] input: syz1 as /devices/virtual/input/input38 [ 158.101301] input: syz1 as /devices/virtual/input/input39 [ 158.109669] input: syz1 as /devices/virtual/input/input40 [ 158.153487] input: syz1 as /devices/virtual/input/input41 executing program executing program executing program [ 158.234197] input: syz1 as /devices/virtual/input/input44 [ 158.269713] input: syz1 as /devices/virtual/input/input45 [ 158.277886] input: syz1 as /devices/virtual/input/input46 executing program executing program [ 158.319294] input: syz1 as /devices/virtual/input/input48 executing program [ 158.360290] input: syz1 as /devices/virtual/input/input49 [ 158.384875] input: syz1 as /devices/virtual/input/input50 [ 158.406849] input: syz1 as /devices/virtual/input/input51 [ 158.444382] input: syz1 as /devices/virtual/input/input52 executing program [ 158.516100] input: syz1 as /devices/virtual/input/input53 [ 158.527895] input: syz1 as /devices/virtual/input/input54 [ 158.564000] input: syz1 as /devices/virtual/input/input55 executing program executing program executing program [ 158.641042] input: syz1 as /devices/virtual/input/input57 [ 158.648545] input: syz1 as /devices/virtual/input/input58 [ 158.679566] input: syz1 as /devices/virtual/input/input59 executing program [ 158.734250] input: syz1 as /devices/virtual/input/input60 [ 158.763507] input: syz1 as /devices/virtual/input/input61 executing program [ 158.803154] input: syz1 as /devices/virtual/input/input62 [ 158.844735] input: syz1 as /devices/virtual/input/input63 executing program [ 158.913259] input: syz1 as /devices/virtual/input/input64 [ 158.926897] input: syz1 as /devices/virtual/input/input65 executing program executing program executing program [ 158.992635] input: syz1 as /devices/virtual/input/input66 [ 158.998896] input: syz1 as /devices/virtual/input/input67 [ 159.041397] input: syz1 as /devices/virtual/input/input68 executing program executing program [ 159.141382] input: syz1 as /devices/virtual/input/input70 [ 159.163450] input: syz1 as /devices/virtual/input/input71 [ 159.184252] input: syz1 as /devices/virtual/input/input72 [ 159.223563] input: syz1 as /devices/virtual/input/input73 executing program [ 159.302504] input: syz1 as /devices/virtual/input/input75 executing program executing program executing program executing program [ 159.387865] input: syz1 as /devices/virtual/input/input78 [ 159.399450] input: syz1 as /devices/virtual/input/input77 [ 159.405974] input: syz1 as /devices/virtual/input/input79 [ 159.447689] input: syz1 as /devices/virtual/input/input80 [ 159.473598] input: syz1 as /devices/virtual/input/input81 [ 159.553301] input: syz1 as /devices/virtual/input/input82 [ 159.573834] input: syz1 as /devices/virtual/input/input83 [ 159.624477] input: syz1 as /devices/virtual/input/input84 executing program executing program [ 159.684634] input: syz1 as /devices/virtual/input/input85 [ 159.716960] input: syz1 as /devices/virtual/input/input86 executing program executing program executing program [ 159.740937] input: syz1 as /devices/virtual/input/input87 [ 159.777664] input: syz1 as /devices/virtual/input/input88 [ 159.784134] input: syz1 as /devices/virtual/input/input89 executing program [ 159.854134] input: syz1 as /devices/virtual/input/input90 [ 159.877565] input: syz1 as /devices/virtual/input/input91 executing program [ 159.932856] input: syz1 as /devices/virtual/input/input93 executing program [ 159.973406] input: syz1 as /devices/virtual/input/input95 [ 160.022192] input: syz1 as /devices/virtual/input/input96 [ 160.043932] input: syz1 as /devices/virtual/input/input97 executing program [ 160.104135] input: syz1 as /devices/virtual/input/input98 [ 160.132358] input: syz1 as /devices/virtual/input/input99 executing program executing program [ 160.208858] input: syz1 as /devices/virtual/input/input101 executing program [ 160.252027] input: syz1 as /devices/virtual/input/input102 [ 160.283785] input: syz1 as /devices/virtual/input/input103 executing program [ 160.335340] input: syz1 as /devices/virtual/input/input104 [ 160.365502] input: syz1 as /devices/virtual/input/input105 [ 160.384671] input: syz1 as /devices/virtual/input/input106 [ 160.403562] input: syz1 as /devices/virtual/input/input107 [ 160.455930] input: syz1 as /devices/virtual/input/input108 executing program executing program [ 160.541311] input: syz1 as /devices/virtual/input/input109 [ 160.576638] input: syz1 as /devices/virtual/input/input110 [ 160.623642] input: syz1 as /devices/virtual/input/input111 executing program [ 160.664237] input: syz1 as /devices/virtual/input/input112 executing program executing program [ 160.727887] input: syz1 as /devices/virtual/input/input113 [ 160.788536] input: syz1 as /devices/virtual/input/input114 [ 160.800042] input: syz1 as /devices/virtual/input/input115 executing program executing program [ 160.855688] input: syz1 as /devices/virtual/input/input116 [ 160.868280] input: syz1 as /devices/virtual/input/input117 [ 160.883778] input: syz1 as /devices/virtual/input/input118 executing program executing program [ 160.989964] input: syz1 as /devices/virtual/input/input120 [ 161.005563] input: syz1 as /devices/virtual/input/input121 executing program [ 161.055155] input: syz1 as /devices/virtual/input/input123 [ 161.067463] input: syz1 as /devices/virtual/input/input124 [ 161.079242] input: syz1 as /devices/virtual/input/input125 executing program executing program executing program [ 161.227187] input: syz1 as /devices/virtual/input/input126 [ 161.233843] input: syz1 as /devices/virtual/input/input127 [ 161.257723] input: syz1 as /devices/virtual/input/input128 executing program executing program [ 161.345844] input: syz1 as /devices/virtual/input/input130 [ 161.364065] input: syz1 as /devices/virtual/input/input131 executing program [ 161.403639] input: syz1 as /devices/virtual/input/input133 [ 161.428826] input: syz1 as /devices/virtual/input/input134 executing program executing program [ 161.476365] input: syz1 as /devices/virtual/input/input135 [ 161.500155] input: syz1 as /devices/virtual/input/input136 [ 161.523407] input: syz1 as /devices/virtual/input/input137 [ 161.563500] input: syz1 as /devices/virtual/input/input138 [ 161.603477] input: syz1 as /devices/virtual/input/input139 executing program [ 161.663020] input: syz1 as /devices/virtual/input/input140 [ 161.684741] input: syz1 as /devices/virtual/input/input141 [ 161.735848] input: syz1 as /devices/virtual/input/input142 executing program [ 161.813446] input: syz1 as /devices/virtual/input/input143 [ 161.823630] input: syz1 as /devices/virtual/input/input144 executing program [ 161.871447] input: syz1 as /devices/virtual/input/input145 executing program executing program [ 161.936932] input: syz1 as /devices/virtual/input/input146 [ 161.976222] input: syz1 as /devices/virtual/input/input147 executing program executing program [ 161.984490] input: syz1 as /devices/virtual/input/input148 [ 162.002466] input: syz1 as /devices/virtual/input/input149 [ 162.042792] input: syz1 as /devices/virtual/input/input150 [ 162.075015] input: syz1 as /devices/virtual/input/input151 executing program [ 162.182584] input: syz1 as /devices/virtual/input/input152 [ 162.193382] input: syz1 as /devices/virtual/input/input153 executing program executing program executing program [ 162.270058] input: syz1 as /devices/virtual/input/input156 [ 162.293182] input: syz1 as /devices/virtual/input/input158 executing program [ 162.330784] input: syz1 as /devices/virtual/input/input159 executing program executing program [ 162.373714] input: syz1 as /devices/virtual/input/input160 [ 162.407038] input: syz1 as /devices/virtual/input/input161 [ 162.414813] input: syz1 as /devices/virtual/input/input162 [ 162.445692] input: syz1 as /devices/virtual/input/input163 [ 162.495125] input: syz1 as /devices/virtual/input/input164 [ 162.543562] input: syz1 as /devices/virtual/input/input165 executing program [ 162.663185] input: syz1 as /devices/virtual/input/input166 [ 162.680706] input: syz1 as /devices/virtual/input/input167 executing program executing program executing program executing program [ 162.752514] input: syz1 as /devices/virtual/input/input168 [ 162.776448] input: syz1 as /devices/virtual/input/input169 [ 162.782770] input: syz1 as /devices/virtual/input/input170 executing program [ 162.850473] input: syz1 as /devices/virtual/input/input171 [ 162.903485] input: syz1 as /devices/virtual/input/input172 [ 162.915491] input: syz1 as /devices/virtual/input/input173 executing program [ 163.004206] input: syz1 as /devices/virtual/input/input174 executing program [ 163.064467] input: syz1 as /devices/virtual/input/input175 executing program [ 163.111447] input: syz1 as /devices/virtual/input/input177 [ 163.125414] input: syz1 as /devices/virtual/input/input178 executing program [ 163.156851] input: syz1 as /devices/virtual/input/input179 executing program executing program executing program [ 163.200551] input: syz1 as /devices/virtual/input/input181 [ 163.230786] input: syz1 as /devices/virtual/input/input182 [ 163.260146] input: syz1 as /devices/virtual/input/input184 [ 163.276753] input: syz1 as /devices/virtual/input/input185 [ 163.284066] input: syz1 as /devices/virtual/input/input186 executing program [ 163.370660] input: syz1 as /devices/virtual/input/input187 [ 163.383555] input: syz1 as /devices/virtual/input/input188 [ 163.443754] input: syz1 as /devices/virtual/input/input189 executing program executing program executing program [ 163.555832] input: syz1 as /devices/virtual/input/input190 [ 163.568336] input: syz1 as /devices/virtual/input/input191 [ 163.581730] input: syz1 as /devices/virtual/input/input192 executing program executing program [ 163.626266] input: syz1 as /devices/virtual/input/input193 [ 163.653234] input: syz1 as /devices/virtual/input/input194 [ 163.665486] input: syz1 as /devices/virtual/input/input195 executing program [ 163.708023] input: syz1 as /devices/virtual/input/input196 [ 163.743891] input: syz1 as /devices/virtual/input/input197 executing program executing program [ 163.806720] input: syz1 as /devices/virtual/input/input198 [ 163.815002] input: syz1 as /devices/virtual/input/input199 [ 163.861292] input: syz1 as /devices/virtual/input/input200 executing program executing program executing program [ 163.946340] input: syz1 as /devices/virtual/input/input202 [ 163.985929] input: syz1 as /devices/virtual/input/input203 executing program executing program [ 164.011623] input: syz1 as /devices/virtual/input/input204 [ 164.029334] input: syz1 as /devices/virtual/input/input205 [ 164.043945] input: syz1 as /devices/virtual/input/input206 [ 164.097363] input: syz1 as /devices/virtual/input/input208 executing program executing program executing program [ 164.164917] input: syz1 as /devices/virtual/input/input210 [ 164.196758] input: syz1 as /devices/virtual/input/input211 executing program executing program [ 164.231267] input: syz1 as /devices/virtual/input/input212 [ 164.258358] input: syz1 as /devices/virtual/input/input213 executing program executing program [ 164.311631] input: syz1 as /devices/virtual/input/input214 [ 164.354210] input: syz1 as /devices/virtual/input/input216 [ 164.363990] input: syz1 as /devices/virtual/input/input217 [ 164.374512] input: syz1 as /devices/virtual/input/input218 executing program [ 164.425329] input: syz1 as /devices/virtual/input/input219 executing program [ 164.483807] input: syz1 as /devices/virtual/input/input220 [ 164.538159] input: syz1 as /devices/virtual/input/input221 [ 164.554224] input: syz1 as /devices/virtual/input/input222 [ 164.583634] input: syz1 as /devices/virtual/input/input223 executing program [ 164.626273] input: syz1 as /devices/virtual/input/input224 [ 164.675434] input: syz1 as /devices/virtual/input/input225 [ 164.703294] input: syz1 as /devices/virtual/input/input226 [ 164.709188] input: syz1 as /devices/virtual/input/input227 executing program executing program [ 164.768146] input: syz1 as /devices/virtual/input/input228 [ 164.800858] input: syz1 as /devices/virtual/input/input229 executing program executing program executing program [ 164.860964] input: syz1 as /devices/virtual/input/input231 [ 164.888843] input: syz1 as /devices/virtual/input/input232 executing program [ 164.913462] input: syz1 as /devices/virtual/input/input233 [ 164.946034] input: syz1 as /devices/virtual/input/input234 executing program executing program executing program [ 165.068517] input: syz1 as /devices/virtual/input/input236 [ 165.074734] input: syz1 as /devices/virtual/input/input237 [ 165.098498] input: syz1 as /devices/virtual/input/input238 [ 165.114329] input: syz1 as /devices/virtual/input/input239 [ 165.154103] input: syz1 as /devices/virtual/input/input240 [ 165.194497] input: syz1 as /devices/virtual/input/input241 [ 165.201131] input: syz1 as /devices/virtual/input/input242 executing program executing program [ 165.325762] input: syz1 as /devices/virtual/input/input243 [ 165.332704] input: syz1 as /devices/virtual/input/input244 executing program executing program executing program [ 165.402336] input: syz1 as /devices/virtual/input/input245 [ 165.426678] input: syz1 as /devices/virtual/input/input246 executing program [ 165.454479] input: syz1 as /devices/virtual/input/input247 [ 165.500760] input: syz1 as /devices/virtual/input/input248 [ 165.523930] input: syz1 as /devices/virtual/input/input249 executing program [ 165.594102] input: syz1 as /devices/virtual/input/input251 [ 165.617172] input: syz1 as /devices/virtual/input/input252 executing program executing program executing program [ 165.683888] input: syz1 as /devices/virtual/input/input255 [ 165.727199] input: syz1 as /devices/virtual/input/input256 [ 165.734250] input: syz1 as /devices/virtual/input/input257 [ 165.763966] input: syz1 as /devices/virtual/input/input258 executing program [ 165.821026] input: syz1 as /devices/virtual/input/input259 [ 165.844522] input: syz1 as /devices/virtual/input/input260 executing program [ 165.913388] input: syz1 as /devices/virtual/input/input262 executing program executing program executing program [ 165.955922] input: syz1 as /devices/virtual/input/input264 [ 165.992790] input: syz1 as /devices/virtual/input/input265 [ 166.000345] input: syz1 as /devices/virtual/input/input266 [ 166.042021] input: syz1 as /devices/virtual/input/input267 [ 166.053483] input: syz1 as /devices/virtual/input/input268 executing program [ 166.116497] input: syz1 as /devices/virtual/input/input269 [ 166.133458] input: syz1 as /devices/virtual/input/input270 [ 166.198713] input: syz1 as /devices/virtual/input/input271 executing program executing program [ 166.255334] input: syz1 as /devices/virtual/input/input272 [ 166.280308] input: syz1 as /devices/virtual/input/input273 executing program executing program [ 166.349926] input: syz1 as /devices/virtual/input/input274 [ 166.370101] input: syz1 as /devices/virtual/input/input276 [ 166.382733] input: syz1 as /devices/virtual/input/input275 executing program [ 166.423999] input: syz1 as /devices/virtual/input/input277 [ 166.454467] input: syz1 as /devices/virtual/input/input278 [ 166.483530] input: syz1 as /devices/virtual/input/input279 executing program executing program [ 166.565965] input: syz1 as /devices/virtual/input/input281 [ 166.573889] input: syz1 as /devices/virtual/input/input282 [ 166.604850] input: syz1 as /devices/virtual/input/input283 executing program [ 166.653243] input: syz1 as /devices/virtual/input/input284 [ 166.685151] input: syz1 as /devices/virtual/input/input285 [ 166.715452] input: syz1 as /devices/virtual/input/input286 executing program executing program [ 166.806304] input: syz1 as /devices/virtual/input/input287 [ 166.819685] input: syz1 as /devices/virtual/input/input288 executing program executing program [ 166.910857] input: syz1 as /devices/virtual/input/input290 executing program executing program [ 166.957716] input: syz1 as /devices/virtual/input/input291 [ 166.983132] input: syz1 as /devices/virtual/input/input292 [ 167.005451] input: syz1 as /devices/virtual/input/input293 [ 167.044206] input: syz1 as /devices/virtual/input/input294 executing program executing program [ 167.114774] input: syz1 as /devices/virtual/input/input295 [ 167.149695] input: syz1 as /devices/virtual/input/input296 executing program executing program [ 167.224536] input: syz1 as /devices/virtual/input/input298 executing program [ 167.267228] input: syz1 as /devices/virtual/input/input299 [ 167.294410] input: syz1 as /devices/virtual/input/input300 executing program [ 167.354984] input: syz1 as /devices/virtual/input/input301 [ 167.365020] input: syz1 as /devices/virtual/input/input302 [ 167.403719] input: syz1 as /devices/virtual/input/input303 [ 167.420859] input: syz1 as /devices/virtual/input/input304 executing program [ 167.464473] input: syz1 as /devices/virtual/input/input305 [ 167.514416] input: syz1 as /devices/virtual/input/input306 executing program executing program executing program executing program [ 167.599988] input: syz1 as /devices/virtual/input/input307 [ 167.633906] input: syz1 as /devices/virtual/input/input308 executing program [ 167.666686] input: syz1 as /devices/virtual/input/input309 [ 167.673939] input: syz1 as /devices/virtual/input/input310 [ 167.703979] input: syz1 as /devices/virtual/input/input311 executing program [ 167.753846] input: syz1 as /devices/virtual/input/input313 [ 167.768515] input: syz1 as /devices/virtual/input/input314 executing program executing program [ 167.855857] input: syz1 as /devices/virtual/input/input317 [ 167.865304] input: syz1 as /devices/virtual/input/input316 executing program [ 167.923666] input: syz1 as /devices/virtual/input/input318 [ 167.945329] input: syz1 as /devices/virtual/input/input319 executing program [ 168.007589] input: syz1 as /devices/virtual/input/input321 [ 168.019656] input: syz1 as /devices/virtual/input/input322 executing program [ 168.094549] input: syz1 as /devices/virtual/input/input323 [ 168.114608] input: syz1 as /devices/virtual/input/input324 [ 168.123479] input: syz1 as /devices/virtual/input/input325 executing program [ 168.182225] input: syz1 as /devices/virtual/input/input326 executing program executing program [ 168.253900] input: syz1 as /devices/virtual/input/input327 [ 168.282051] input: syz1 as /devices/virtual/input/input328 executing program [ 168.320169] input: syz1 as /devices/virtual/input/input329 [ 168.343242] input: syz1 as /devices/virtual/input/input330 executing program [ 168.410485] input: syz1 as /devices/virtual/input/input331 [ 168.433943] input: syz1 as /devices/virtual/input/input332 [ 168.452798] input: syz1 as /devices/virtual/input/input333 [ 168.473565] input: syz1 as /devices/virtual/input/input334 [ 168.533091] input: syz1 as /devices/virtual/input/input335 [ 168.539895] input: syz1 as /devices/virtual/input/input336 executing program [ 168.608634] input: syz1 as /devices/virtual/input/input337 executing program [ 168.665230] input: syz1 as /devices/virtual/input/input338 [ 168.681261] input: syz1 as /devices/virtual/input/input339 executing program executing program executing program [ 168.733040] input: syz1 as /devices/virtual/input/input340 [ 168.771390] input: syz1 as /devices/virtual/input/input341 executing program [ 168.809100] input: syz1 as /devices/virtual/input/input342 [ 168.856086] input: syz1 as /devices/virtual/input/input343 [ 168.894716] input: syz1 as /devices/virtual/input/input344 [ 168.953448] input: syz1 as /devices/virtual/input/input345 [ 168.996155] input: syz1 as /devices/virtual/input/input346 [ 169.023412] input: syz1 as /devices/virtual/input/input347 executing program [ 169.064465] input: syz1 as /devices/virtual/input/input348 executing program executing program [ 169.113410] input: syz1 as /devices/virtual/input/input349 [ 169.134509] input: syz1 as /devices/virtual/input/input350 [ 169.152941] input: syz1 as /devices/virtual/input/input351 executing program executing program [ 169.210202] input: syz1 as /devices/virtual/input/input352 [ 169.248457] input: syz1 as /devices/virtual/input/input353 executing program executing program [ 169.313158] input: syz1 as /devices/virtual/input/input355 [ 169.334026] input: syz1 as /devices/virtual/input/input356 executing program [ 169.395031] input: syz1 as /devices/virtual/input/input357 [ 169.427520] input: syz1 as /devices/virtual/input/input358 executing program executing program [ 169.487405] input: syz1 as /devices/virtual/input/input360 [ 169.526414] input: syz1 as /devices/virtual/input/input362 [ 169.537334] input: syz1 as /devices/virtual/input/input363 executing program executing program executing program [ 169.637125] input: syz1 as /devices/virtual/input/input365 [ 169.679187] input: syz1 as /devices/virtual/input/input366 [ 169.693969] input: syz1 as /devices/virtual/input/input367 [ 169.702281] ------------[ cut here ]------------ [ 169.707212] refcount_t: increment on 0; use-after-free. [ 169.713103] WARNING: CPU: 0 PID: 9137 at lib/refcount.c:153 refcount_inc_checked+0x61/0x70 [ 169.721524] Kernel panic - not syncing: panic_on_warn set ... [ 169.721524] [ 169.728904] CPU: 0 PID: 9137 Comm: syz-executor819 Not tainted 4.19.37 #5 [ 169.735851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.745206] Call Trace: [ 169.747808] dump_stack+0x172/0x1f0 [ 169.751446] panic+0x263/0x51d [ 169.754658] ? __warn_printk+0xf3/0xf3 [ 169.758558] ? refcount_inc_checked+0x61/0x70 [ 169.763077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 169.768628] ? __warn.cold+0x5/0x54 [ 169.772275] ? __warn+0xe8/0x1d0 [ 169.775660] ? refcount_inc_checked+0x61/0x70 [ 169.780177] __warn.cold+0x20/0x54 [ 169.783743] ? trace_hardirqs_on+0x67/0x230 [ 169.788094] ? refcount_inc_checked+0x61/0x70 [ 169.794150] report_bug+0x263/0x2b0 [ 169.797800] do_error_trap+0x204/0x360 [ 169.801698] ? math_error+0x340/0x340 [ 169.805511] ? wake_up_klogd+0x99/0xd0 [ 169.809423] ? vprintk_emit+0x1ab/0x690 [ 169.813411] ? error_entry+0x76/0xd0 [ 169.817282] ? trace_hardirqs_off_caller+0x65/0x220 [ 169.822324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 169.827269] do_invalid_op+0x1b/0x20 [ 169.830991] invalid_op+0x14/0x20 [ 169.834549] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 169.839659] Code: 1d 6a 4b 12 06 31 ff 89 de e8 bb 9d 47 fe 84 db 75 dd e8 72 9c 47 fe 48 c7 c7 80 86 81 87 c6 05 4a 4b 12 06 01 e8 1d 76 1b fe <0f> 0b eb c1 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 [ 169.858571] RSP: 0018:ffff8880919c78b8 EFLAGS: 00010282 [ 169.863951] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 169.871242] RDX: 0000000000000000 RSI: ffffffff8155e196 RDI: ffffed1012338f09 [ 169.878602] RBP: ffff8880919c78c8 R08: ffff88807bcce600 R09: ffff88807bcceea0 [ 169.885875] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a186aba8 [ 169.893145] R13: 0000000000000000 R14: ffff88807d5b3780 R15: ffff8880a0a81f10 [ 169.900439] ? vprintk_func+0x86/0x189 [ 169.904428] ? refcount_inc_checked+0x61/0x70 [ 169.908950] kobject_get+0x66/0xc0 [ 169.912501] cdev_get+0x60/0xb0 [ 169.915789] chrdev_open+0xb0/0x6b0 [ 169.919453] ? cdev_put.part.0+0x50/0x50 [ 169.923616] ? security_file_open+0x171/0x1b0 [ 169.928132] do_dentry_open+0x4c6/0x1200 [ 169.932201] ? kasan_check_read+0x11/0x20 [ 169.936461] ? cdev_put.part.0+0x50/0x50 [ 169.940554] ? chown_common+0x5c0/0x5c0 [ 169.944543] ? inode_permission+0xb4/0x570 [ 169.948908] vfs_open+0xa0/0xd0 [ 169.952220] path_openat+0x10d7/0x4690 [ 169.956132] ? __lock_acquire+0x6eb/0x48f0 [ 169.960371] ? getname+0x1a/0x20 [ 169.963741] ? do_sys_open+0x2c9/0x550 [ 169.967653] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 169.972335] ? __alloc_fd+0x44d/0x560 [ 169.976149] do_filp_open+0x1a1/0x280 [ 169.979982] ? may_open_dev+0x100/0x100 [ 169.983981] ? kasan_check_read+0x11/0x20 [ 169.988138] ? do_raw_spin_unlock+0x57/0x270 [ 169.992579] ? _raw_spin_unlock+0x2d/0x50 [ 169.996737] ? __alloc_fd+0x44d/0x560 [ 170.000575] do_sys_open+0x3fe/0x550 [ 170.004389] ? filp_open+0x80/0x80 [ 170.007951] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.012713] ? do_syscall_64+0x26/0x610 [ 170.016692] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.022063] ? do_syscall_64+0x26/0x610 [ 170.026049] __x64_sys_open+0x7e/0xc0 [ 170.029857] do_syscall_64+0x103/0x610 [ 170.033758] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.039040] RIP: 0033:0x4061e1 [ 170.042249] Code: 75 14 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 170.061359] RSP: 002b:00007fab69920960 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 170.069168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004061e1 [ 170.076446] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fab69920970 [ 170.083729] RBP: 6666666666666667 R08: 000000000000000f R09: 0000000000000000 [ 170.091004] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000006dcc3c [ 170.098282] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000317a7973 [ 170.106736] Kernel Offset: disabled [ 170.110434] Rebooting in 86400 seconds..