Warning: Permanently added '10.128.0.43' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 52.485342] kauditd_printk_skb: 5 callbacks suppressed [ 52.485357] audit: type=1400 audit(1575262830.738:36): avc: denied { map } for pid=7905 comm="syz-executor250" path="/root/syz-executor250261357" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 52.521695] input: syz1 as /devices/virtual/input/input6 executing program [ 52.534116] input: syz1 as /devices/virtual/input/input7 [ 52.540332] input: syz1 as /devices/virtual/input/input8 [ 52.548320] input: syz1 as /devices/virtual/input/input5 [ 52.562943] input: syz1 as /devices/virtual/input/input10 [ 52.583744] input: syz1 as /devices/virtual/input/input9 executing program executing program executing program [ 52.656088] input: syz1 as /devices/virtual/input/input11 [ 52.683745] input: syz1 as /devices/virtual/input/input12 executing program executing program [ 52.712153] input: syz1 as /devices/virtual/input/input13 [ 52.746282] input: syz1 as /devices/virtual/input/input14 executing program [ 52.775328] input: syz1 as /devices/virtual/input/input15 executing program executing program [ 52.827818] input: syz1 as /devices/virtual/input/input16 [ 52.858357] input: syz1 as /devices/virtual/input/input17 executing program [ 52.881979] input: syz1 as /devices/virtual/input/input18 executing program [ 52.922950] input: syz1 as /devices/virtual/input/input19 executing program [ 52.980403] input: syz1 as /devices/virtual/input/input20 executing program executing program [ 53.043843] input: syz1 as /devices/virtual/input/input21 [ 53.083061] input: syz1 as /devices/virtual/input/input22 executing program executing program [ 53.113275] input: syz1 as /devices/virtual/input/input23 [ 53.141093] input: syz1 as /devices/virtual/input/input24 executing program [ 53.175967] input: syz1 as /devices/virtual/input/input25 executing program executing program [ 53.242172] input: syz1 as /devices/virtual/input/input26 [ 53.267527] input: syz1 as /devices/virtual/input/input27 executing program [ 53.322647] input: syz1 as /devices/virtual/input/input28 executing program [ 53.362801] input: syz1 as /devices/virtual/input/input29 executing program [ 53.421652] input: syz1 as /devices/virtual/input/input30 executing program executing program [ 53.449536] input: syz1 as /devices/virtual/input/input31 [ 53.473391] input: syz1 as /devices/virtual/input/input32 executing program [ 53.511692] input: syz1 as /devices/virtual/input/input33 executing program [ 53.562138] input: syz1 as /devices/virtual/input/input34 executing program executing program [ 53.604920] input: syz1 as /devices/virtual/input/input35 [ 53.640579] input: syz1 as /devices/virtual/input/input36 executing program [ 53.679227] input: syz1 as /devices/virtual/input/input37 executing program [ 53.719869] input: syz1 as /devices/virtual/input/input38 executing program [ 53.761429] input: syz1 as /devices/virtual/input/input39 executing program executing program [ 53.810912] input: syz1 as /devices/virtual/input/input40 [ 53.843621] input: syz1 as /devices/virtual/input/input41 executing program [ 53.892619] input: syz1 as /devices/virtual/input/input42 executing program [ 53.940282] input: syz1 as /devices/virtual/input/input43 executing program [ 53.993201] input: syz1 as /devices/virtual/input/input44 executing program [ 54.038621] input: syz1 as /devices/virtual/input/input45 executing program executing program [ 54.091490] input: syz1 as /devices/virtual/input/input46 [ 54.130572] input: syz1 as /devices/virtual/input/input47 executing program executing program [ 54.183622] input: syz1 as /devices/virtual/input/input48 [ 54.212964] input: syz1 as /devices/virtual/input/input49 executing program executing program [ 54.249419] input: syz1 as /devices/virtual/input/input50 [ 54.273881] input: syz1 as /devices/virtual/input/input51 executing program executing program [ 54.320433] input: syz1 as /devices/virtual/input/input52 [ 54.353825] input: syz1 as /devices/virtual/input/input53 executing program executing program [ 54.383893] input: syz1 as /devices/virtual/input/input54 [ 54.422817] input: syz1 as /devices/virtual/input/input55 executing program [ 54.470118] input: syz1 as /devices/virtual/input/input56 [ 54.502711] input: syz1 as /devices/virtual/input/input57 executing program executing program [ 54.561685] input: syz1 as /devices/virtual/input/input58 [ 54.600333] input: syz1 as /devices/virtual/input/input59 executing program executing program executing program [ 54.650396] input: syz1 as /devices/virtual/input/input60 [ 54.683841] input: syz1 as /devices/virtual/input/input61 executing program [ 54.719738] input: syz1 as /devices/virtual/input/input62 executing program executing program [ 54.762450] input: syz1 as /devices/virtual/input/input63 [ 54.787373] input: syz1 as /devices/virtual/input/input64 executing program [ 54.816971] input: syz1 as /devices/virtual/input/input65 executing program executing program [ 54.865076] input: syz1 as /devices/virtual/input/input66 [ 54.898139] input: syz1 as /devices/virtual/input/input67 executing program [ 54.931760] input: syz1 as /devices/virtual/input/input68 executing program executing program [ 54.983716] input: syz1 as /devices/virtual/input/input69 [ 55.015130] input: syz1 as /devices/virtual/input/input70 executing program executing program [ 55.050720] input: syz1 as /devices/virtual/input/input71 [ 55.089879] input: syz1 as /devices/virtual/input/input72 executing program [ 55.130860] input: syz1 as /devices/virtual/input/input73 executing program [ 55.174496] input: syz1 as /devices/virtual/input/input74 executing program [ 55.220566] input: syz1 as /devices/virtual/input/input75 executing program executing program [ 55.271040] input: syz1 as /devices/virtual/input/input76 [ 55.304110] input: syz1 as /devices/virtual/input/input77 executing program executing program [ 55.336180] input: syz1 as /devices/virtual/input/input78 [ 55.373459] input: syz1 as /devices/virtual/input/input79 executing program [ 55.417208] input: syz1 as /devices/virtual/input/input80 executing program [ 55.461328] input: syz1 as /devices/virtual/input/input81 executing program [ 55.502959] input: syz1 as /devices/virtual/input/input82 executing program executing program [ 55.556673] input: syz1 as /devices/virtual/input/input83 executing program executing program [ 55.603454] input: syz1 as /devices/virtual/input/input84 [ 55.615515] input: syz1 as /devices/virtual/input/input85 [ 55.637094] input: syz1 as /devices/virtual/input/input86 executing program executing program [ 55.661966] input: syz1 as /devices/virtual/input/input87 [ 55.691763] input: syz1 as /devices/virtual/input/input88 executing program [ 55.720793] input: syz1 as /devices/virtual/input/input89 executing program [ 55.764392] input: syz1 as /devices/virtual/input/input90 executing program executing program [ 55.812582] input: syz1 as /devices/virtual/input/input91 [ 55.832545] input: syz1 as /devices/virtual/input/input92 executing program executing program [ 55.883900] input: syz1 as /devices/virtual/input/input93 [ 55.906756] input: syz1 as /devices/virtual/input/input94 executing program [ 55.947833] input: syz1 as /devices/virtual/input/input95 executing program [ 55.994171] input: syz1 as /devices/virtual/input/input96 executing program executing program [ 56.037445] input: syz1 as /devices/virtual/input/input97 [ 56.074123] input: syz1 as /devices/virtual/input/input98 executing program [ 56.101614] input: syz1 as /devices/virtual/input/input99 executing program [ 56.148704] input: syz1 as /devices/virtual/input/input100 executing program [ 56.183350] input: syz1 as /devices/virtual/input/input101 executing program executing program [ 56.231378] input: syz1 as /devices/virtual/input/input102 [ 56.252623] input: syz1 as /devices/virtual/input/input103 executing program executing program [ 56.291918] input: syz1 as /devices/virtual/input/input104 [ 56.331873] input: syz1 as /devices/virtual/input/input105 executing program executing program [ 56.376093] input: syz1 as /devices/virtual/input/input106 [ 56.409611] input: syz1 as /devices/virtual/input/input107 executing program executing program [ 56.436894] input: syz1 as /devices/virtual/input/input108 [ 56.468857] input: syz1 as /devices/virtual/input/input109 executing program [ 56.499932] input: syz1 as /devices/virtual/input/input110 executing program [ 56.557504] input: syz1 as /devices/virtual/input/input111 [ 56.592423] input: syz1 as /devices/virtual/input/input112 executing program executing program [ 56.642398] input: syz1 as /devices/virtual/input/input113 executing program [ 56.692730] input: syz1 as /devices/virtual/input/input114 executing program executing program [ 56.754735] input: syz1 as /devices/virtual/input/input115 [ 56.784043] input: syz1 as /devices/virtual/input/input116 executing program [ 56.824766] input: syz1 as /devices/virtual/input/input117 [ 56.860811] input: syz1 as /devices/virtual/input/input118 executing program executing program [ 56.924527] input: syz1 as /devices/virtual/input/input119 executing program [ 56.991906] input: syz1 as /devices/virtual/input/input120 executing program [ 57.041296] input: syz1 as /devices/virtual/input/input121 executing program executing program [ 57.092483] input: syz1 as /devices/virtual/input/input122 [ 57.128582] input: syz1 as /devices/virtual/input/input123 executing program [ 57.160822] input: syz1 as /devices/virtual/input/input124 executing program [ 57.204225] input: syz1 as /devices/virtual/input/input125 executing program [ 57.250084] input: syz1 as /devices/virtual/input/input126 executing program [ 57.301525] input: syz1 as /devices/virtual/input/input127 [ 57.340624] input: syz1 as /devices/virtual/input/input128 executing program executing program [ 57.388955] input: syz1 as /devices/virtual/input/input129 executing program [ 57.440250] input: syz1 as /devices/virtual/input/input130 executing program [ 57.482157] input: syz1 as /devices/virtual/input/input131 [ 57.512710] input: syz1 as /devices/virtual/input/input132 executing program executing program executing program [ 57.572798] input: syz1 as /devices/virtual/input/input133 [ 57.597267] input: syz1 as /devices/virtual/input/input134 executing program [ 57.648657] input: syz1 as /devices/virtual/input/input135 executing program executing program [ 57.689743] input: syz1 as /devices/virtual/input/input136 [ 57.729493] input: syz1 as /devices/virtual/input/input137 executing program [ 57.771600] input: syz1 as /devices/virtual/input/input138 executing program executing program [ 57.820062] input: syz1 as /devices/virtual/input/input139 [ 57.860004] input: syz1 as /devices/virtual/input/input140 executing program [ 57.886651] input: syz1 as /devices/virtual/input/input141 executing program [ 57.944187] input: syz1 as /devices/virtual/input/input142 executing program [ 57.989549] input: syz1 as /devices/virtual/input/input143 executing program [ 58.033617] input: syz1 as /devices/virtual/input/input144 executing program executing program [ 58.086633] input: syz1 as /devices/virtual/input/input145 [ 58.117493] input: syz1 as /devices/virtual/input/input146 executing program [ 58.177486] input: syz1 as /devices/virtual/input/input147 executing program executing program [ 58.221079] input: syz1 as /devices/virtual/input/input148 [ 58.244663] input: syz1 as /devices/virtual/input/input149 executing program [ 58.272372] input: syz1 as /devices/virtual/input/input150 executing program executing program [ 58.317607] input: syz1 as /devices/virtual/input/input151 [ 58.349909] input: syz1 as /devices/virtual/input/input152 executing program executing program [ 58.397169] input: syz1 as /devices/virtual/input/input153 [ 58.431564] input: syz1 as /devices/virtual/input/input154 executing program executing program [ 58.482303] input: syz1 as /devices/virtual/input/input155 [ 58.503708] input: syz1 as /devices/virtual/input/input156 executing program [ 58.531246] input: syz1 as /devices/virtual/input/input157 executing program executing program [ 58.570704] input: syz1 as /devices/virtual/input/input158 [ 58.610250] input: syz1 as /devices/virtual/input/input159 executing program [ 58.632052] input: syz1 as /devices/virtual/input/input160 executing program executing program [ 58.691283] input: syz1 as /devices/virtual/input/input161 [ 58.713909] input: syz1 as /devices/virtual/input/input162 executing program executing program [ 58.760660] input: syz1 as /devices/virtual/input/input163 [ 58.793973] input: syz1 as /devices/virtual/input/input164 executing program [ 58.840289] input: syz1 as /devices/virtual/input/input165 executing program executing program [ 58.888923] input: syz1 as /devices/virtual/input/input166 [ 58.923467] input: syz1 as /devices/virtual/input/input167 executing program executing program [ 58.947205] input: syz1 as /devices/virtual/input/input168 [ 58.986000] input: syz1 as /devices/virtual/input/input169 executing program [ 59.021248] input: syz1 as /devices/virtual/input/input170 executing program executing program [ 59.075884] input: syz1 as /devices/virtual/input/input171 [ 59.102459] input: syz1 as /devices/virtual/input/input172 executing program [ 59.138347] input: syz1 as /devices/virtual/input/input173 executing program [ 59.181957] input: syz1 as /devices/virtual/input/input174 executing program executing program [ 59.232928] input: syz1 as /devices/virtual/input/input175 [ 59.263053] input: syz1 as /devices/virtual/input/input176 executing program [ 59.312711] input: syz1 as /devices/virtual/input/input177 executing program [ 59.369844] input: syz1 as /devices/virtual/input/input178 executing program [ 59.419973] input: syz1 as /devices/virtual/input/input179 executing program executing program [ 59.460399] input: syz1 as /devices/virtual/input/input180 [ 59.499903] input: syz1 as /devices/virtual/input/input181 executing program executing program [ 59.531821] input: syz1 as /devices/virtual/input/input182 [ 59.553029] input: syz1 as /devices/virtual/input/input183 executing program executing program [ 59.613921] input: syz1 as /devices/virtual/input/input184 [ 59.649766] input: syz1 as /devices/virtual/input/input185 executing program executing program [ 59.680862] input: syz1 as /devices/virtual/input/input186 [ 59.703051] input: syz1 as /devices/virtual/input/input187 executing program [ 59.753201] input: syz1 as /devices/virtual/input/input188 executing program [ 59.796783] input: syz1 as /devices/virtual/input/input189 executing program executing program [ 59.840715] input: syz1 as /devices/virtual/input/input190 [ 59.871331] input: syz1 as /devices/virtual/input/input191 executing program executing program [ 59.894493] input: syz1 as /devices/virtual/input/input192 [ 59.922017] input: syz1 as /devices/virtual/input/input193 executing program [ 59.953588] input: syz1 as /devices/virtual/input/input194 [ 59.993661] input: syz1 as /devices/virtual/input/input195 executing program executing program [ 60.041870] input: syz1 as /devices/virtual/input/input196 executing program executing program [ 60.100416] input: syz1 as /devices/virtual/input/input197 [ 60.129136] input: syz1 as /devices/virtual/input/input198 executing program [ 60.187616] input: syz1 as /devices/virtual/input/input199 executing program executing program [ 60.235816] input: syz1 as /devices/virtual/input/input200 [ 60.274056] input: syz1 as /devices/virtual/input/input201 executing program executing program [ 60.302813] input: syz1 as /devices/virtual/input/input202 [ 60.342237] input: syz1 as /devices/virtual/input/input203 executing program [ 60.386656] input: syz1 as /devices/virtual/input/input204 executing program executing program [ 60.454355] input: syz1 as /devices/virtual/input/input205 [ 60.476948] input: syz1 as /devices/virtual/input/input206 executing program [ 60.519368] input: syz1 as /devices/virtual/input/input207 executing program executing program [ 60.562203] input: syz1 as /devices/virtual/input/input208 [ 60.591754] input: syz1 as /devices/virtual/input/input209 executing program [ 60.646616] input: syz1 as /devices/virtual/input/input210 executing program [ 60.686839] input: syz1 as /devices/virtual/input/input211 [ 60.723351] input: syz1 as /devices/virtual/input/input212 executing program executing program executing program [ 60.781878] input: syz1 as /devices/virtual/input/input213 [ 60.811942] input: syz1 as /devices/virtual/input/input214 executing program [ 60.867419] input: syz1 as /devices/virtual/input/input215 executing program executing program [ 60.912900] input: syz1 as /devices/virtual/input/input216 [ 60.951848] input: syz1 as /devices/virtual/input/input217 executing program [ 61.000787] input: syz1 as /devices/virtual/input/input218 executing program [ 61.042802] input: syz1 as /devices/virtual/input/input219 executing program executing program [ 61.107397] input: syz1 as /devices/virtual/input/input220 [ 61.143901] input: syz1 as /devices/virtual/input/input221 executing program [ 61.183419] input: syz1 as /devices/virtual/input/input222 executing program [ 61.233115] input: syz1 as /devices/virtual/input/input223 [ 61.272911] input: syz1 as /devices/virtual/input/input224 executing program executing program executing program [ 61.336703] input: syz1 as /devices/virtual/input/input225 [ 61.367415] input: syz1 as /devices/virtual/input/input226 executing program executing program [ 61.402635] input: syz1 as /devices/virtual/input/input227 [ 61.432180] input: syz1 as /devices/virtual/input/input228 executing program [ 61.483260] input: syz1 as /devices/virtual/input/input229 executing program executing program [ 61.545074] input: syz1 as /devices/virtual/input/input230 [ 61.576380] input: syz1 as /devices/virtual/input/input231 executing program executing program [ 61.603319] input: syz1 as /devices/virtual/input/input232 [ 61.632651] input: syz1 as /devices/virtual/input/input233 executing program executing program [ 61.687129] input: syz1 as /devices/virtual/input/input234 [ 61.721642] input: syz1 as /devices/virtual/input/input235 executing program executing program [ 61.753482] input: syz1 as /devices/virtual/input/input236 [ 61.781924] input: syz1 as /devices/virtual/input/input237 executing program executing program [ 61.823098] input: syz1 as /devices/virtual/input/input238 [ 61.860880] input: syz1 as /devices/virtual/input/input239 executing program executing program [ 61.913941] input: syz1 as /devices/virtual/input/input240 [ 61.949865] input: syz1 as /devices/virtual/input/input241 executing program [ 61.967209] input: syz1 as /devices/virtual/input/input242 [ 62.002901] input: syz1 as /devices/virtual/input/input243 executing program executing program executing program [ 62.074842] input: syz1 as /devices/virtual/input/input244 [ 62.109649] input: syz1 as /devices/virtual/input/input245 executing program [ 62.132456] input: syz1 as /devices/virtual/input/input246 executing program [ 62.182909] input: syz1 as /devices/virtual/input/input247 executing program executing program [ 62.229597] input: syz1 as /devices/virtual/input/input248 [ 62.262342] input: syz1 as /devices/virtual/input/input249 executing program executing program [ 62.311638] input: syz1 as /devices/virtual/input/input250 [ 62.337434] input: syz1 as /devices/virtual/input/input251 [ 62.354781] input: syz1 as /devices/virtual/input/input252 executing program executing program executing program [ 62.409957] input: syz1 as /devices/virtual/input/input253 [ 62.447364] input: syz1 as /devices/virtual/input/input254 executing program [ 62.481510] input: syz1 as /devices/virtual/input/input255 executing program executing program [ 62.523069] input: syz1 as /devices/virtual/input/input256 [ 62.562855] input: syz1 as /devices/virtual/input/input257 executing program executing program [ 62.597287] input: syz1 as /devices/virtual/input/input258 [ 62.614751] input: syz1 as /devices/virtual/input/input259 executing program [ 62.646522] input: syz1 as /devices/virtual/input/input260 executing program executing program [ 62.691448] input: syz1 as /devices/virtual/input/input261 [ 62.715098] input: syz1 as /devices/virtual/input/input262 executing program executing program [ 62.748102] input: syz1 as /devices/virtual/input/input263 [ 62.778936] input: syz1 as /devices/virtual/input/input264 executing program [ 62.814198] input: syz1 as /devices/virtual/input/input265 executing program [ 62.863044] input: syz1 as /devices/virtual/input/input266 executing program [ 62.908449] input: syz1 as /devices/virtual/input/input267 [ 62.936246] input: syz1 as /devices/virtual/input/input268 executing program executing program executing program [ 62.997754] input: syz1 as /devices/virtual/input/input269 [ 63.029405] input: syz1 as /devices/virtual/input/input270 executing program [ 63.053812] input: syz1 as /devices/virtual/input/input271 executing program executing program [ 63.097238] input: syz1 as /devices/virtual/input/input272 [ 63.133512] input: syz1 as /devices/virtual/input/input273 executing program [ 63.179525] input: syz1 as /devices/virtual/input/input274 executing program executing program [ 63.222876] input: syz1 as /devices/virtual/input/input275 [ 63.259895] input: syz1 as /devices/virtual/input/input276 executing program [ 63.287381] input: syz1 as /devices/virtual/input/input277 executing program executing program [ 63.332191] input: syz1 as /devices/virtual/input/input278 [ 63.350201] input: syz1 as /devices/virtual/input/input279 executing program [ 63.397133] input: syz1 as /devices/virtual/input/input280 executing program executing program [ 63.456568] input: syz1 as /devices/virtual/input/input281 [ 63.496763] input: syz1 as /devices/virtual/input/input282 executing program [ 63.532408] input: syz1 as /devices/virtual/input/input283 [ 63.571867] input: syz1 as /devices/virtual/input/input284 executing program executing program [ 63.634805] input: syz1 as /devices/virtual/input/input285 executing program executing program [ 63.675822] input: syz1 as /devices/virtual/input/input286 [ 63.702241] input: syz1 as /devices/virtual/input/input287 executing program [ 63.740349] input: syz1 as /devices/virtual/input/input288 executing program [ 63.782096] input: syz1 as /devices/virtual/input/input289 executing program [ 63.834027] input: syz1 as /devices/virtual/input/input290 [ 63.872788] input: syz1 as /devices/virtual/input/input291 executing program executing program [ 63.922975] input: syz1 as /devices/virtual/input/input292 executing program executing program [ 63.963503] input: syz1 as /devices/virtual/input/input293 [ 64.002399] input: syz1 as /devices/virtual/input/input294 executing program executing program [ 64.040830] input: syz1 as /devices/virtual/input/input295 [ 64.073114] input: syz1 as /devices/virtual/input/input296 executing program [ 64.107048] input: syz1 as /devices/virtual/input/input297 executing program executing program [ 64.161723] input: syz1 as /devices/virtual/input/input298 [ 64.190437] input: syz1 as /devices/virtual/input/input299 executing program [ 64.223458] input: syz1 as /devices/virtual/input/input300 executing program executing program [ 64.279255] input: syz1 as /devices/virtual/input/input301 [ 64.304330] input: syz1 as /devices/virtual/input/input302 executing program [ 64.345091] input: syz1 as /devices/virtual/input/input303 [ 64.375713] ================================================================== [ 64.388019] BUG: KASAN: use-after-free in cdev_put.part.0+0x4c/0x50 [ 64.388031] Read of size 8 at addr ffff88809ac847f0 by task syz-executor250/9272 [ 64.388035] [ 64.388050] CPU: 1 PID: 9272 Comm: syz-executor250 Not tainted 4.19.87-syzkaller #0 [ 64.388061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.388066] Call Trace: [ 64.388083] dump_stack+0x197/0x210 [ 64.405566] ? cdev_put.part.0+0x4c/0x50 [ 64.405585] print_address_description.cold+0x7c/0x20d [ 64.405597] ? cdev_put.part.0+0x4c/0x50 [ 64.405610] kasan_report.cold+0x8c/0x2ba [ 64.405629] ? evdev_event+0xc0/0xc0 [ 64.408289] input: syz1 as /devices/virtual/input/input304 [ 64.417871] __asan_report_load8_noabort+0x14/0x20 [ 64.417888] cdev_put.part.0+0x4c/0x50 [ 64.417901] chrdev_open+0x2c1/0x6b0 [ 64.417915] ? cdev_put.part.0+0x50/0x50 [ 64.417932] ? security_file_open+0x16b/0x1b0 [ 64.417947] do_dentry_open+0x4c3/0x1210 [ 64.417958] ? kasan_check_read+0x11/0x20 [ 64.417968] ? cdev_put.part.0+0x50/0x50 [ 64.417981] ? chown_common+0x5c0/0x5c0 [ 64.418002] ? inode_permission+0xb4/0x560 [ 64.430451] vfs_open+0xa0/0xd0 [ 64.430475] path_openat+0x10d7/0x45e0 [ 64.438574] ? __lock_acquire+0x6ee/0x49c0 [ 64.438586] ? getname+0x1a/0x20 [ 64.438601] ? do_sys_open+0x2c9/0x550 [ 64.438630] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 64.438653] ? __alloc_fd+0x44d/0x560 [ 64.438670] do_filp_open+0x1a1/0x280 [ 64.448272] ? may_open_dev+0x100/0x100 [ 64.448301] ? do_raw_spin_unlock+0x178/0x270 [ 64.448321] ? _raw_spin_unlock+0x2d/0x50 [ 64.458304] ? __alloc_fd+0x44d/0x560 [ 64.458333] do_sys_open+0x3fe/0x550 [ 64.458348] ? filp_open+0x80/0x80 [ 64.458367] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 64.458383] ? do_syscall_64+0x26/0x620 [ 64.469898] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.469912] ? do_syscall_64+0x26/0x620 [ 64.469931] __x64_sys_open+0x7e/0xc0 [ 64.478084] do_syscall_64+0xfd/0x620 [ 64.487519] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.487531] RIP: 0033:0x405841 [ 64.487544] 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 [ 64.487552] RSP: 002b:00007f3d43f61960 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 64.487563] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000405841 [ 64.487570] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f3d43f61970 [ 64.487580] RBP: 6666666666666667 R08: 000000000000000f R09: 00007f3d43f62700 [ 64.495849] R10: 00007f3d43f629d0 R11: 0000000000000293 R12: 00000000006dbc3c [ 64.495857] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000317a7973 [ 64.495879] [ 64.495886] Allocated by task 9246: [ 64.495904] save_stack+0x45/0xd0 [ 64.495915] kasan_kmalloc+0xce/0xf0 [ 64.495928] kmem_cache_alloc_trace+0x152/0x760 [ 64.504167] evdev_connect+0x83/0x4d0 [ 64.504183] input_attach_handler+0x1a0/0x210 [ 64.504193] input_register_device.cold+0xda/0x22b [ 64.504210] uinput_ioctl_handler.isra.0+0x1035/0x1c50 [ 64.511826] uinput_ioctl+0x4a/0x60 [ 64.511842] do_vfs_ioctl+0xd5f/0x1380 [ 64.511851] ksys_ioctl+0xab/0xd0 [ 64.511864] __x64_sys_ioctl+0x73/0xb0 [ 64.521409] do_syscall_64+0xfd/0x620 [ 64.521429] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.521433] [ 64.521442] Freed by task 9269: [ 64.735635] save_stack+0x45/0xd0 [ 64.739084] __kasan_slab_free+0x102/0x150 [ 64.743414] kasan_slab_free+0xe/0x10 [ 64.747495] kfree+0xcf/0x220 [ 64.750797] evdev_free+0x5e/0x70 [ 64.754249] device_release+0x7b/0x210 [ 64.758147] kobject_put.cold+0x289/0x2e6 [ 64.762456] cdev_default_release+0x41/0x50 [ 64.766772] kobject_put.cold+0x289/0x2e6 [ 64.770934] cdev_put.part.0+0x39/0x50 [ 64.774822] chrdev_open+0x2c1/0x6b0 [ 64.778582] do_dentry_open+0x4c3/0x1210 [ 64.782683] vfs_open+0xa0/0xd0 [ 64.785965] path_openat+0x10d7/0x45e0 [ 64.789897] do_filp_open+0x1a1/0x280 [ 64.793859] do_sys_open+0x3fe/0x550 [ 64.798291] __x64_sys_open+0x7e/0xc0 [ 64.802102] do_syscall_64+0xfd/0x620 [ 64.806095] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.811500] [ 64.813215] The buggy address belongs to the object at ffff88809ac84200 [ 64.813215] which belongs to the cache kmalloc-2048 of size 2048 [ 64.826574] The buggy address is located 1520 bytes inside of [ 64.826574] 2048-byte region [ffff88809ac84200, ffff88809ac84a00) [ 64.838608] The buggy address belongs to the page: [ 64.844224] page:ffffea00026b2100 count:1 mapcount:0 mapping:ffff88812c31cc40 index:0x0 compound_mapcount: 0 [ 64.854198] flags: 0xfffe0000008100(slab|head) [ 64.858793] raw: 00fffe0000008100 ffffea00026b1708 ffffea00026b2808 ffff88812c31cc40 [ 64.866694] raw: 0000000000000000 ffff88809ac84200 0000000100000003 0000000000000000 [ 64.875179] page dumped because: kasan: bad access detected [ 64.880991] [ 64.882620] Memory state around the buggy address: [ 64.887593] ffff88809ac84680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.894948] ffff88809ac84700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.902328] >ffff88809ac84780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.909803] ^ [ 64.917777] ffff88809ac84800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.925138] ffff88809ac84880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 64.932591] ================================================================== [ 64.939947] Disabling lock debugging due to kernel taint [ 64.948510] Kernel panic - not syncing: panic_on_warn set ... [ 64.948510] [ 64.955923] CPU: 1 PID: 9272 Comm: syz-executor250 Tainted: G B 4.19.87-syzkaller #0 [ 64.959740] kobject: 'input305' (00000000c11edfe8): kobject_add_internal: parent: 'input', set: 'devices' [ 64.965223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.965229] Call Trace: [ 64.965258] dump_stack+0x197/0x210 [ 64.965272] ? cdev_put.part.0+0x4c/0x50 [ 64.965283] panic+0x26a/0x50e [ 64.965293] ? __warn_printk+0xf3/0xf3 [ 64.965309] ? cdev_put.part.0+0x4c/0x50 [ 64.978002] kobject: 'input305' (00000000c11edfe8): kobject_uevent_env [ 64.985164] ? preempt_schedule+0x4b/0x60 [ 64.985181] ? ___preempt_schedule+0x16/0x18 [ 64.985198] ? trace_hardirqs_on+0x5e/0x220 [ 64.985218] ? cdev_put.part.0+0x4c/0x50 [ 64.987993] kobject: 'input305' (00000000c11edfe8): fill_kobj_path: path = '/devices/virtual/input/input305' [ 64.991421] kasan_end_report+0x47/0x4f [ 64.991436] kasan_report.cold+0xa9/0x2ba [ 64.991454] ? evdev_event+0xc0/0xc0 [ 65.001856] kobject: 'input305' (00000000c11edfe8): fill_kobj_path: path = '/devices/virtual/input/input305' [ 65.002659] __asan_report_load8_noabort+0x14/0x20 [ 65.007361] input: syz1 as /devices/virtual/input/input305 [ 65.013355] cdev_put.part.0+0x4c/0x50 [ 65.013366] chrdev_open+0x2c1/0x6b0 [ 65.013380] ? cdev_put.part.0+0x50/0x50 [ 65.085354] ? security_file_open+0x16b/0x1b0 [ 65.089864] do_dentry_open+0x4c3/0x1210 [ 65.093934] ? kasan_check_read+0x11/0x20 [ 65.098346] ? cdev_put.part.0+0x50/0x50 [ 65.102763] ? chown_common+0x5c0/0x5c0 [ 65.106819] ? inode_permission+0xb4/0x560 [ 65.111171] vfs_open+0xa0/0xd0 [ 65.114478] path_openat+0x10d7/0x45e0 [ 65.118397] ? __lock_acquire+0x6ee/0x49c0 [ 65.122623] ? getname+0x1a/0x20 [ 65.125997] ? do_sys_open+0x2c9/0x550 [ 65.129282] kobject: 'input305' (00000000c11edfe8): kobject_uevent_env [ 65.129918] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 65.136907] kobject: 'input305' (00000000c11edfe8): fill_kobj_path: path = '/devices/virtual/input/input305' [ 65.141532] ? __alloc_fd+0x44d/0x560 [ 65.141549] do_filp_open+0x1a1/0x280 [ 65.152612] kobject: 'input305' (00000000c11edfe8): kobject_cleanup, parent (null) [ 65.155397] ? may_open_dev+0x100/0x100 [ 65.155417] ? do_raw_spin_unlock+0x178/0x270 [ 65.155433] ? _raw_spin_unlock+0x2d/0x50 [ 65.155448] ? __alloc_fd+0x44d/0x560 [ 65.159570] kobject: 'input305' (00000000c11edfe8): calling ktype release [ 65.167819] do_sys_open+0x3fe/0x550 [ 65.167832] ? filp_open+0x80/0x80 [ 65.167847] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 65.167862] ? do_syscall_64+0x26/0x620 [ 65.172132] kobject: 'input305': free name [ 65.176407] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.176420] ? do_syscall_64+0x26/0x620 [ 65.176436] __x64_sys_open+0x7e/0xc0 [ 65.176453] do_syscall_64+0xfd/0x620 [ 65.230664] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.235855] RIP: 0033:0x405841 [ 65.239047] 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 [ 65.257962] RSP: 002b:00007f3d43f61960 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 65.265777] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000405841 [ 65.273048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f3d43f61970 [ 65.280406] RBP: 6666666666666667 R08: 000000000000000f R09: 00007f3d43f62700 [ 65.288449] R10: 00007f3d43f629d0 R11: 0000000000000293 R12: 00000000006dbc3c [ 65.296005] R13: 0000000000000000 R14: 0000000000000000 R15: 00000000317a7973 [ 65.304911] Kernel Offset: disabled [ 65.308563] Rebooting in 86400 seconds..