[ 41.304697][ T27] audit: type=1800 audit(1555252816.775:26): pid=7598 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 41.330955][ T27] audit: type=1800 audit(1555252816.785:27): pid=7598 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.352437][ T27] audit: type=1800 audit(1555252816.785:28): pid=7598 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.135901][ T27] audit: type=1800 audit(1555252817.635:29): pid=7598 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 63.273623][ T7757] input: syz0 as /devices/virtual/input/input5 [ 63.283233][ T7764] input: syz0 as /devices/virtual/input/input9 [ 63.289719][ T7767] input: syz0 as /devices/virtual/input/input8 [ 63.296536][ T7765] input: syz0 as /devices/virtual/input/input7 [ 63.305219][ T7763] input: syz0 as /devices/virtual/input/input6 [ 63.319150][ T7766] input: syz0 as /devices/virtual/input/input10 executing program executing program executing program [ 63.415535][ T7785] input: syz0 as /devices/virtual/input/input11 [ 63.445078][ T7788] input: syz0 as /devices/virtual/input/input12 executing program [ 63.492111][ T7792] input: syz0 as /devices/virtual/input/input13 executing program executing program [ 63.534807][ T7796] input: syz0 as /devices/virtual/input/input14 [ 63.559115][ T7800] input: syz0 as /devices/virtual/input/input15 executing program [ 63.595037][ T7804] input: syz0 as /devices/virtual/input/input16 executing program [ 63.653171][ T7808] input: syz0 as /devices/virtual/input/input17 executing program executing program [ 63.694073][ T7811] input: syz0 as /devices/virtual/input/input18 [ 63.733059][ T7815] input: syz0 as /devices/virtual/input/input19 [ 63.756089][ T7819] input: syz0 as /devices/virtual/input/input20 executing program executing program executing program [ 63.832522][ T7824] input: syz0 as /devices/virtual/input/input21 [ 63.850745][ T7827] input: syz0 as /devices/virtual/input/input22 [ 63.881661][ T7830] input: syz0 as /devices/virtual/input/input23 executing program executing program executing program [ 63.957023][ T7841] input: syz0 as /devices/virtual/input/input24 [ 63.977902][ T7845] input: syz0 as /devices/virtual/input/input25 executing program [ 64.004508][ T7849] input: syz0 as /devices/virtual/input/input26 executing program [ 64.042828][ T7855] input: syz0 as /devices/virtual/input/input27 [ 64.080481][ T7860] input: syz0 as /devices/virtual/input/input28 executing program executing program executing program [ 64.160313][ T7870] input: syz0 as /devices/virtual/input/input29 [ 64.184012][ T7873] input: syz0 as /devices/virtual/input/input30 executing program [ 64.223210][ T7879] input: syz0 as /devices/virtual/input/input31 executing program [ 64.289722][ T7887] input: syz0 as /devices/virtual/input/input32 [ 64.329754][ T7892] input: syz0 as /devices/virtual/input/input33 executing program executing program [ 64.390671][ T7897] input: syz0 as /devices/virtual/input/input34 executing program executing program [ 64.431152][ T7901] input: syz0 as /devices/virtual/input/input35 [ 64.453569][ T7905] input: syz0 as /devices/virtual/input/input36 executing program [ 64.475925][ T7908] input: syz0 as /devices/virtual/input/input37 executing program [ 64.514596][ T7913] input: syz0 as /devices/virtual/input/input38 executing program executing program [ 64.555370][ T7917] input: syz0 as /devices/virtual/input/input39 [ 64.591672][ T7921] input: syz0 as /devices/virtual/input/input40 executing program [ 64.616838][ T7925] input: syz0 as /devices/virtual/input/input41 executing program [ 64.668714][ T7930] input: syz0 as /devices/virtual/input/input42 [ 64.702880][ T7933] input: syz0 as /devices/virtual/input/input43 executing program [ 64.762365][ T7938] input: syz0 as /devices/virtual/input/input44 executing program executing program executing program [ 64.823129][ T7942] input: syz0 as /devices/virtual/input/input45 [ 64.846543][ T7945] input: syz0 as /devices/virtual/input/input46 executing program [ 64.889073][ T7949] input: syz0 as /devices/virtual/input/input47 executing program [ 64.933838][ T7954] input: syz0 as /devices/virtual/input/input48 executing program [ 64.982178][ T7958] input: syz0 as /devices/virtual/input/input49 executing program [ 65.034858][ T7962] input: syz0 as /devices/virtual/input/input50 executing program [ 65.086764][ T7966] input: syz0 as /devices/virtual/input/input51 executing program executing program [ 65.138549][ T7971] input: syz0 as /devices/virtual/input/input52 [ 65.172351][ T7975] input: syz0 as /devices/virtual/input/input53 [ 65.195423][ T7980] input: syz0 as /devices/virtual/input/input54 executing program executing program [ 65.265170][ T7986] input: syz0 as /devices/virtual/input/input55 executing program executing program [ 65.315426][ T7991] input: syz0 as /devices/virtual/input/input56 [ 65.345391][ T7995] input: syz0 as /devices/virtual/input/input57 executing program [ 65.383893][ T8001] input: syz0 as /devices/virtual/input/input58 [ 65.416140][ T8007] input: syz0 as /devices/virtual/input/input59 executing program [ 65.475978][ T8014] input: syz0 as /devices/virtual/input/input60 executing program executing program executing program [ 65.543258][ T8018] input: syz0 as /devices/virtual/input/input61 [ 65.573780][ T8021] input: syz0 as /devices/virtual/input/input62 executing program executing program [ 65.616374][ T8027] input: syz0 as /devices/virtual/input/input63 [ 65.643282][ T8031] input: syz0 as /devices/virtual/input/input64 executing program [ 65.682969][ T8035] input: syz0 as /devices/virtual/input/input65 executing program executing program [ 65.731694][ T8039] input: syz0 as /devices/virtual/input/input66 [ 65.764910][ T8043] input: syz0 as /devices/virtual/input/input67 executing program [ 65.784086][ T8047] input: syz0 as /devices/virtual/input/input68 executing program executing program [ 65.847315][ T8055] input: syz0 as /devices/virtual/input/input69 [ 65.883816][ T8058] input: syz0 as /devices/virtual/input/input70 executing program [ 65.909718][ T8062] input: syz0 as /devices/virtual/input/input71 [ 65.955145][ T8066] input: syz0 as /devices/virtual/input/input72 executing program executing program executing program [ 66.022639][ T8075] input: syz0 as /devices/virtual/input/input73 [ 66.046269][ T8078] input: syz0 as /devices/virtual/input/input74 executing program [ 66.086498][ T8084] input: syz0 as /devices/virtual/input/input75 executing program [ 66.129275][ T8090] input: syz0 as /devices/virtual/input/input76 executing program [ 66.188973][ T8095] input: syz0 as /devices/virtual/input/input77 executing program [ 66.248482][ T8099] input: syz0 as /devices/virtual/input/input78 executing program [ 66.315879][ T8104] input: syz0 as /devices/virtual/input/input79 executing program executing program [ 66.360974][ T8108] input: syz0 as /devices/virtual/input/input80 [ 66.400509][ T8112] input: syz0 as /devices/virtual/input/input81 executing program [ 66.425866][ T8117] input: syz0 as /devices/virtual/input/input82 executing program executing program [ 66.472151][ T8122] input: syz0 as /devices/virtual/input/input83 [ 66.509224][ T8126] input: syz0 as /devices/virtual/input/input84 executing program executing program [ 66.540467][ T8132] input: syz0 as /devices/virtual/input/input85 [ 66.574348][ T8136] input: syz0 as /devices/virtual/input/input86 executing program [ 66.607704][ T8140] input: syz0 as /devices/virtual/input/input87 [ 66.649254][ T8146] input: syz0 as /devices/virtual/input/input88 executing program executing program [ 66.718776][ T8151] input: syz0 as /devices/virtual/input/input89 executing program executing program [ 66.759124][ T8154] input: syz0 as /devices/virtual/input/input90 [ 66.794234][ T8160] input: syz0 as /devices/virtual/input/input91 executing program [ 66.825947][ T8164] input: syz0 as /devices/virtual/input/input92 [ 66.857729][ T8168] input: syz0 as /devices/virtual/input/input93 executing program executing program [ 66.910228][ T8173] input: syz0 as /devices/virtual/input/input94 executing program [ 66.955384][ T8176] input: syz0 as /devices/virtual/input/input95 executing program executing program [ 67.009440][ T8182] input: syz0 as /devices/virtual/input/input96 [ 67.047296][ T8186] input: syz0 as /devices/virtual/input/input97 executing program [ 67.080401][ T8190] input: syz0 as /devices/virtual/input/input98 executing program executing program [ 67.129393][ T8195] input: syz0 as /devices/virtual/input/input99 [ 67.169269][ T8198] input: syz0 as /devices/virtual/input/input100 executing program [ 67.205159][ T8202] input: syz0 as /devices/virtual/input/input101 executing program [ 67.248904][ T8206] input: syz0 as /devices/virtual/input/input102 executing program executing program [ 67.292746][ T8210] input: syz0 as /devices/virtual/input/input103 [ 67.329232][ T8214] input: syz0 as /devices/virtual/input/input104 executing program executing program [ 67.390158][ T8218] input: syz0 as /devices/virtual/input/input105 [ 67.429291][ T8224] input: syz0 as /devices/virtual/input/input106 executing program executing program [ 67.477153][ T8228] input: syz0 as /devices/virtual/input/input107 [ 67.509084][ T8232] input: syz0 as /devices/virtual/input/input108 executing program executing program [ 67.548935][ T8238] input: syz0 as /devices/virtual/input/input109 [ 67.580587][ T8242] input: syz0 as /devices/virtual/input/input110 executing program executing program [ 67.629145][ T8247] input: syz0 as /devices/virtual/input/input111 executing program [ 67.689784][ T8253] input: syz0 as /devices/virtual/input/input112 [ 67.696516][ T8250] input: syz0 as /devices/virtual/input/input113 executing program [ 67.736930][ T8259] input: syz0 as /devices/virtual/input/input114 executing program [ 67.784351][ T8266] input: syz0 as /devices/virtual/input/input115 executing program executing program [ 67.825474][ T8272] input: syz0 as /devices/virtual/input/input116 [ 67.856945][ T8276] input: syz0 as /devices/virtual/input/input117 executing program executing program [ 67.893277][ T8280] input: syz0 as /devices/virtual/input/input118 [ 67.920953][ T8284] input: syz0 as /devices/virtual/input/input119 executing program [ 67.953885][ T8288] input: syz0 as /devices/virtual/input/input120 executing program executing program [ 68.005217][ T8293] input: syz0 as /devices/virtual/input/input121 [ 68.043800][ T8296] input: syz0 as /devices/virtual/input/input122 executing program executing program [ 68.095376][ T8302] input: syz0 as /devices/virtual/input/input123 [ 68.127914][ T8306] input: syz0 as /devices/virtual/input/input124 executing program [ 68.151140][ T8310] input: syz0 as /devices/virtual/input/input125 executing program executing program [ 68.200347][ T8319] input: syz0 as /devices/virtual/input/input126 [ 68.235375][ T8322] input: syz0 as /devices/virtual/input/input127 executing program [ 68.283797][ T8327] input: syz0 as /devices/virtual/input/input128 [ 68.323668][ T8330] input: syz0 as /devices/virtual/input/input129 executing program executing program executing program [ 68.385600][ T8335] input: syz0 as /devices/virtual/input/input130 [ 68.413725][ T8338] input: syz0 as /devices/virtual/input/input131 executing program executing program [ 68.449184][ T8342] input: syz0 as /devices/virtual/input/input132 [ 68.488813][ T8346] input: syz0 as /devices/virtual/input/input133 executing program executing program [ 68.529101][ T8352] input: syz0 as /devices/virtual/input/input134 [ 68.553746][ T8356] input: syz0 as /devices/virtual/input/input135 executing program [ 68.605551][ T8361] input: syz0 as /devices/virtual/input/input136 executing program [ 68.666351][ T8368] input: syz0 as /devices/virtual/input/input137 executing program [ 68.728868][ T8373] input: syz0 as /devices/virtual/input/input138 executing program [ 68.770053][ T8376] input: syz0 as /devices/virtual/input/input139 [ 68.808429][ T8382] input: syz0 as /devices/virtual/input/input140 executing program executing program executing program [ 68.862591][ T8387] input: syz0 as /devices/virtual/input/input141 [ 68.899068][ T8390] input: syz0 as /devices/virtual/input/input142 executing program [ 68.930553][ T8395] input: syz0 as /devices/virtual/input/input143 executing program executing program [ 68.979260][ T8401] input: syz0 as /devices/virtual/input/input144 [ 69.003137][ T8404] input: syz0 as /devices/virtual/input/input145 executing program executing program [ 69.049364][ T8410] input: syz0 as /devices/virtual/input/input146 [ 69.087338][ T8414] input: syz0 as /devices/virtual/input/input147 executing program [ 69.114850][ T8418] input: syz0 as /devices/virtual/input/input148 executing program [ 69.169163][ T8425] input: syz0 as /devices/virtual/input/input149 executing program executing program [ 69.210084][ T8428] input: syz0 as /devices/virtual/input/input150 [ 69.231484][ T8431] input: syz0 as /devices/virtual/input/input151 executing program executing program [ 69.278367][ T8437] input: syz0 as /devices/virtual/input/input152 [ 69.302633][ T8442] input: syz0 as /devices/virtual/input/input153 executing program executing program [ 69.348621][ T8446] input: syz0 as /devices/virtual/input/input154 [ 69.387007][ T8452] input: syz0 as /devices/virtual/input/input155 executing program [ 69.416450][ T8456] input: syz0 as /devices/virtual/input/input156 executing program [ 69.469612][ T8461] input: syz0 as /devices/virtual/input/input157 executing program executing program [ 69.518967][ T8465] input: syz0 as /devices/virtual/input/input158 [ 69.558790][ T8468] input: syz0 as /devices/virtual/input/input159 executing program executing program [ 69.588693][ T8472] input: syz0 as /devices/virtual/input/input160 [ 69.628567][ T8478] input: syz0 as /devices/virtual/input/input161 executing program executing program [ 69.665512][ T8482] input: syz0 as /devices/virtual/input/input162 [ 69.697171][ T8486] input: syz0 as /devices/virtual/input/input163 executing program executing program [ 69.722916][ T8491] input: syz0 as /devices/virtual/input/input164 [ 69.760700][ T8496] input: syz0 as /devices/virtual/input/input165 executing program [ 69.809074][ T8501] input: syz0 as /devices/virtual/input/input166 executing program [ 69.860452][ T8505] input: syz0 as /devices/virtual/input/input167 executing program [ 69.903807][ T8508] input: syz0 as /devices/virtual/input/input168 executing program executing program [ 69.949380][ T8512] input: syz0 as /devices/virtual/input/input169 [ 69.985425][ T8516] input: syz0 as /devices/virtual/input/input170 executing program executing program [ 70.025465][ T8520] input: syz0 as /devices/virtual/input/input171 [ 70.062699][ T8524] input: syz0 as /devices/virtual/input/input172 executing program executing program [ 70.093976][ T8528] input: syz0 as /devices/virtual/input/input173 [ 70.128895][ T8532] input: syz0 as /devices/virtual/input/input174 [ 70.163987][ T8538] input: syz0 as /devices/virtual/input/input175 executing program executing program [ 70.236868][ T8547] input: syz0 as /devices/virtual/input/input176 executing program executing program [ 70.282921][ T8550] input: syz0 as /devices/virtual/input/input177 [ 70.313738][ T8556] input: syz0 as /devices/virtual/input/input178 executing program [ 70.333394][ T8559] input: syz0 as /devices/virtual/input/input179 executing program executing program [ 70.375295][ T8563] input: syz0 as /devices/virtual/input/input180 [ 70.412777][ T8567] input: syz0 as /devices/virtual/input/input181 executing program [ 70.440624][ T8571] input: syz0 as /devices/virtual/input/input182 [ 70.486786][ T8575] input: syz0 as /devices/virtual/input/input183 executing program executing program executing program [ 70.555739][ T8580] input: syz0 as /devices/virtual/input/input184 [ 70.584776][ T8583] input: syz0 as /devices/virtual/input/input185 executing program [ 70.618050][ T8587] input: syz0 as /devices/virtual/input/input186 [ 70.654998][ T8595] input: syz0 as /devices/virtual/input/input187 executing program executing program [ 70.704631][ T8601] input: syz0 as /devices/virtual/input/input188 executing program executing program [ 70.766000][ T8606] input: syz0 as /devices/virtual/input/input189 [ 70.782717][ T8609] input: syz0 as /devices/virtual/input/input190 executing program executing program [ 70.815490][ T8613] input: syz0 as /devices/virtual/input/input191 [ 70.843481][ T8617] input: syz0 as /devices/virtual/input/input192 executing program [ 70.892293][ T8622] input: syz0 as /devices/virtual/input/input193 executing program [ 70.933799][ T8625] input: syz0 as /devices/virtual/input/input194 executing program [ 70.983061][ T8631] input: syz0 as /devices/virtual/input/input195 executing program [ 71.024394][ T8635] input: syz0 as /devices/virtual/input/input196 [ 71.064317][ T8639] input: syz0 as /devices/virtual/input/input197 executing program executing program executing program [ 71.120616][ T8646] input: syz0 as /devices/virtual/input/input198 [ 71.144350][ T8649] input: syz0 as /devices/virtual/input/input199 executing program executing program [ 71.191992][ T8653] input: syz0 as /devices/virtual/input/input200 [ 71.224106][ T8657] input: syz0 as /devices/virtual/input/input201 executing program [ 71.253470][ T8661] input: syz0 as /devices/virtual/input/input202 executing program executing program [ 71.298404][ T8667] input: syz0 as /devices/virtual/input/input203 [ 71.325797][ T8671] input: syz0 as /devices/virtual/input/input204 executing program executing program [ 71.358552][ T8675] input: syz0 as /devices/virtual/input/input205 [ 71.383868][ T8679] input: syz0 as /devices/virtual/input/input206 executing program [ 71.424665][ T8685] input: syz0 as /devices/virtual/input/input207 executing program executing program [ 71.480648][ T8690] input: syz0 as /devices/virtual/input/input208 [ 71.516827][ T8693] input: syz0 as /devices/virtual/input/input209 executing program [ 71.546905][ T8699] input: syz0 as /devices/virtual/input/input210 executing program [ 71.591593][ T8705] input: syz0 as /devices/virtual/input/input211 executing program [ 71.635661][ T8709] input: syz0 as /devices/virtual/input/input212 executing program [ 71.693874][ T8714] input: syz0 as /devices/virtual/input/input213 executing program executing program [ 71.738866][ T8717] input: syz0 as /devices/virtual/input/input214 [ 71.761246][ T8721] input: syz0 as /devices/virtual/input/input215 executing program executing program [ 71.790828][ T8725] input: syz0 as /devices/virtual/input/input216 [ 71.819878][ T8732] input: syz0 as /devices/virtual/input/input217 executing program executing program [ 71.858532][ T8737] input: syz0 as /devices/virtual/input/input218 [ 71.884910][ T8741] input: syz0 as /devices/virtual/input/input219 executing program [ 71.943584][ T8745] input: syz0 as /devices/virtual/input/input220 [ 71.974216][ T8748] input: syz0 as /devices/virtual/input/input221 executing program executing program executing program [ 72.027199][ T8753] input: syz0 as /devices/virtual/input/input222 [ 72.063367][ T8756] input: syz0 as /devices/virtual/input/input223 executing program executing program [ 72.106006][ T8762] input: syz0 as /devices/virtual/input/input224 [ 72.145855][ T8768] input: syz0 as /devices/virtual/input/input225 executing program [ 72.182927][ T8772] input: syz0 as /devices/virtual/input/input226 [ 72.214254][ T8776] input: syz0 as /devices/virtual/input/input227 executing program executing program executing program [ 72.280883][ T8785] input: syz0 as /devices/virtual/input/input228 [ 72.314180][ T8788] input: syz0 as /devices/virtual/input/input229 executing program [ 72.357902][ T8792] input: syz0 as /devices/virtual/input/input230 [ 72.393438][ T8798] input: syz0 as /devices/virtual/input/input231 executing program executing program [ 72.444806][ T8803] input: syz0 as /devices/virtual/input/input232 executing program executing program [ 72.488935][ T8806] input: syz0 as /devices/virtual/input/input233 [ 72.528236][ T8812] input: syz0 as /devices/virtual/input/input234 executing program [ 72.557364][ T8816] input: syz0 as /devices/virtual/input/input235 [ 72.604716][ T8821] input: syz0 as /devices/virtual/input/input236 [ 72.611282][ T8820] ------------[ cut here ]------------ [ 72.616951][ T8820] refcount_t: increment on 0; use-after-free. [ 72.623655][ T8820] WARNING: CPU: 1 PID: 8820 at lib/refcount.c:156 refcount_inc_checked+0x61/0x70 [ 72.632755][ T8820] Kernel panic - not syncing: panic_on_warn set ... [ 72.639336][ T8820] CPU: 1 PID: 8820 Comm: syz-executor818 Not tainted 5.1.0-rc4+ #69 [ 72.647300][ T8820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.657351][ T8820] Call Trace: [ 72.660663][ T8820] dump_stack+0x172/0x1f0 [ 72.665001][ T8820] ? refcount_inc_not_zero_checked+0x1e0/0x200 [ 72.671161][ T8820] panic+0x2cb/0x65c [ 72.675053][ T8820] ? __warn_printk+0xf3/0xf3 [ 72.679654][ T8820] ? refcount_inc_checked+0x61/0x70 [ 72.684854][ T8820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.691093][ T8820] ? __warn.cold+0x5/0x45 [ 72.695428][ T8820] ? __warn+0xe8/0x1d0 [ 72.699502][ T8820] ? refcount_inc_checked+0x61/0x70 [ 72.704702][ T8820] __warn.cold+0x20/0x45 [ 72.708953][ T8820] ? refcount_inc_checked+0x61/0x70 [ 72.714171][ T8820] report_bug+0x263/0x2b0 [ 72.718520][ T8820] do_error_trap+0x11b/0x200 [ 72.723127][ T8820] do_invalid_op+0x37/0x50 [ 72.727553][ T8820] ? refcount_inc_checked+0x61/0x70 [ 72.732772][ T8820] invalid_op+0x14/0x20 [ 72.736938][ T8820] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 72.742766][ T8820] Code: 1d 86 4c 2a 06 31 ff 89 de e8 8b 55 40 fe 84 db 75 dd e8 42 54 40 fe 48 c7 c7 00 72 a1 87 c6 05 66 4c 2a 06 01 e8 2d 02 13 fe <0f> 0b eb c1 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 [ 72.762377][ T8820] RSP: 0018:ffff888086c778b8 EFLAGS: 00010282 [ 72.768453][ T8820] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 72.776436][ T8820] RDX: 0000000000000000 RSI: ffffffff815afcb6 RDI: ffffed1010d8ef09 [ 72.784508][ T8820] RBP: ffff888086c778c8 R08: ffff8880a1456600 R09: ffff8880a1456ea0 [ 72.792493][ T8820] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809429e838 [ 72.800475][ T8820] R13: 0000000000000000 R14: ffff888091395580 R15: ffff88809c795ef8 [ 72.808484][ T8820] ? vprintk_func+0x86/0x189 [ 72.813417][ T8820] ? refcount_inc_checked+0x61/0x70 [ 72.818632][ T8820] kobject_get+0x66/0xc0 [ 72.822908][ T8820] cdev_get+0x60/0xb0 [ 72.826899][ T8820] chrdev_open+0xb0/0x6b0 [ 72.831238][ T8820] ? cdev_put.part.0+0x50/0x50 [ 72.836015][ T8820] ? security_file_open+0x8d/0x300 [ 72.841139][ T8820] do_dentry_open+0x4e2/0x1250 [ 72.845912][ T8820] ? kasan_check_read+0x11/0x20 [ 72.850768][ T8820] ? cdev_put.part.0+0x50/0x50 [ 72.855538][ T8820] ? chown_common+0x5c0/0x5c0 [ 72.860220][ T8820] ? inode_permission+0xb4/0x570 [ 72.865157][ T8820] vfs_open+0xa0/0xd0 [ 72.869140][ T8820] path_openat+0x10e9/0x46e0 [ 72.873735][ T8820] ? __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 72.879542][ T8820] ? kasan_slab_alloc+0xf/0x20 [ 72.884317][ T8820] ? kmem_cache_alloc+0x11a/0x6f0 [ 72.889343][ T8820] ? getname_flags+0xd6/0x5b0 [ 72.894015][ T8820] ? getname+0x1a/0x20 [ 72.898089][ T8820] ? do_sys_open+0x2c9/0x5d0 [ 72.902708][ T8820] ? path_lookupat.isra.0+0x8d0/0x8d0 [ 72.908095][ T8820] ? __alloc_fd+0x44d/0x560 [ 72.912621][ T8820] do_filp_open+0x1a1/0x280 [ 72.917139][ T8820] ? may_open_dev+0x100/0x100 [ 72.921857][ T8820] ? kasan_check_read+0x11/0x20 [ 72.926736][ T8820] ? do_raw_spin_unlock+0x57/0x270 [ 72.932313][ T8820] ? _raw_spin_unlock+0x2d/0x50 [ 72.937192][ T8820] ? __alloc_fd+0x44d/0x560 [ 72.941721][ T8820] do_sys_open+0x3fe/0x5d0 [ 72.946157][ T8820] ? filp_open+0x80/0x80 [ 72.950410][ T8820] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 72.955885][ T8820] ? do_syscall_64+0x26/0x610 [ 72.960596][ T8820] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.966698][ T8820] ? do_syscall_64+0x26/0x610 [ 72.971393][ T8820] __x64_sys_open+0x7e/0xc0 [ 72.975914][ T8820] do_syscall_64+0x103/0x610 [ 72.980534][ T8820] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.986449][ T8820] RIP: 0033:0x405811 [ 72.990362][ T8820] 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 [ 73.009997][ T8820] RSP: 002b:00007f81d082e960 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 [ 73.018421][ T8820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000405811 [ 73.026425][ T8820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f81d082e970 [ 73.034412][ T8820] RBP: 6666666666666667 R08: 000000000000000f R09: 00007f81d082f700 [ 73.042398][ T8820] R10: 00007f81d082f9d0 R11: 0000000000000293 R12: 00000000006dbc3c [ 73.050381][ T8820] R13: 0000000000000040 R14: 000000000000ffff R15: ffff0000307a7973 [ 73.059453][ T8820] Kernel Offset: disabled [ 73.063850][ T8820] Rebooting in 86400 seconds..