000 syz-executor5 [ 1613.904421] [30213] 0 30213 17618 8234 25 4 0 1000 syz-executor1 [ 1613.913959] [30218] 0 30218 17585 8233 26 4 0 1000 syz-executor2 [ 1613.923637] [30251] 0 30251 17618 8234 26 4 0 1000 syz-executor0 [ 1613.933170] [30258] 0 30258 17585 8200 25 3 0 1000 syz-executor0 [ 1613.942914] [30294] 0 30294 17618 12677 31 3 0 1000 syz-executor5 [ 1613.952431] [30315] 0 30315 17618 12677 31 3 0 1000 syz-executor5 [ 1613.962118] [30350] 0 30350 17618 8233 25 4 0 1000 syz-executor1 [ 1613.971666] [30360] 0 30360 17585 8200 24 3 0 1000 syz-executor1 [ 1613.981311] [30373] 0 30373 17618 8234 25 4 0 1000 syz-executor1 [ 1613.990854] [30384] 0 30384 17618 12677 31 3 0 1000 syz-executor5 [ 1614.000661] [30407] 0 30407 17618 8234 25 4 0 1000 syz-executor1 [ 1614.010164] [30431] 0 30431 17658 8234 25 4 0 1000 syz-executor1 [ 1614.019798] [30441] 0 30441 17618 8234 25 4 0 1000 syz-executor1 [ 1614.029296] [30448] 0 30448 17618 12677 31 3 0 1000 syz-executor5 [ 1614.039010] [30465] 0 30465 17618 8234 25 4 0 1000 syz-executor1 [ 1614.048529] [30476] 0 30476 17618 8233 25 4 0 1000 syz-executor1 [ 1614.058194] [30488] 0 30488 17618 8234 25 4 0 1000 syz-executor1 [ 1614.067703] [30496] 0 30496 17618 12677 31 3 0 1000 syz-executor5 [ 1614.077422] [30540] 0 30540 17618 8234 25 4 0 1000 syz-executor1 [ 1614.087164] [30554] 0 30554 17618 8234 25 4 0 1000 syz-executor1 [ 1614.096708] [30563] 0 30563 17618 12677 31 3 0 1000 syz-executor5 [ 1614.106220] [30583] 0 30583 17618 8234 25 4 0 1000 syz-executor1 [ 1614.115914] [30593] 0 30593 17618 8234 25 4 0 1000 syz-executor1 [ 1614.125425] [30605] 0 30605 17618 8234 25 4 0 1000 syz-executor1 [ 1614.136382] [30617] 0 30617 17618 8234 25 4 0 1000 syz-executor1 [ 1614.145920] [30629] 0 30629 17618 12677 31 3 0 1000 syz-executor5 [ 1614.155698] [30655] 0 30655 17618 8234 25 4 0 1000 syz-executor1 [ 1614.165236] [30665] 0 30665 17618 8234 25 4 0 1000 syz-executor1 [ 1614.174890] [30673] 0 30673 17618 8234 25 4 0 1000 syz-executor1 [ 1614.184396] [30686] 0 30686 17618 8234 25 4 0 1000 syz-executor1 [ 1614.194076] [30693] 0 30693 17618 12677 31 3 0 1000 syz-executor5 [ 1614.203597] [30710] 0 30710 17618 8234 25 4 0 1000 syz-executor1 [ 1614.213307] [30727] 0 30727 17618 8234 25 4 0 1000 syz-executor1 [ 1614.222851] [30738] 0 30738 17618 8234 25 4 0 1000 syz-executor1 [ 1614.232543] [30748] 0 30748 17618 12677 31 3 0 1000 syz-executor5 [ 1614.242044] [30777] 0 30777 17618 12677 31 3 0 1000 syz-executor5 [ 1614.251767] [30794] 0 30794 17585 8200 24 3 0 1000 syz-executor1 [ 1614.261264] [30842] 0 30842 17618 8234 25 4 0 1000 syz-executor1 [ 1614.270975] [30860] 0 30860 17618 12677 31 3 0 1000 syz-executor5 [ 1614.280477] [30864] 3327 30864 17651 8208 28 3 0 1000 syz-executor0 [ 1614.290082] [30883] 0 30883 17618 8234 25 4 0 1000 syz-executor1 [ 1614.299533] [30902] 0 30902 17651 8235 25 4 0 1000 syz-executor1 [ 1614.309347] [30914] 0 30914 17585 8200 24 3 0 1000 syz-executor1 [ 1614.318840] [30916] 0 30916 17618 8203 24 3 0 1000 syz-executor1 [ 1614.328341] [30919] 0 30919 17618 12677 31 3 0 1000 syz-executor5 [ 1614.338026] [30944] 0 30944 17618 8234 25 4 0 1000 syz-executor1 [ 1614.347551] [30958] 0 30958 17618 8234 25 4 0 1000 syz-executor1 [ 1614.357201] [30978] 0 30978 17618 8234 25 4 0 1000 syz-executor1 [ 1614.366731] [30988] 0 30988 17618 12677 31 3 0 1000 syz-executor5 [ 1614.376407] [31004] 0 31004 17618 8234 25 4 0 1000 syz-executor1 [ 1614.385941] [31022] 0 31022 17618 8234 25 4 0 1000 syz-executor1 [ 1614.395606] [31039] 0 31039 17618 12677 31 3 0 1000 syz-executor5 [ 1614.405159] [31060] 0 31060 17618 8234 25 4 0 1000 syz-executor1 [ 1614.414968] [31090] 0 31090 17618 12677 31 3 0 1000 syz-executor5 [ 1614.424477] [31115] 0 31115 17618 12677 31 3 0 1000 syz-executor5 [ 1614.434116] [31130] 0 31130 17618 8234 25 4 0 1000 syz-executor1 [ 1614.443627] [31148] 0 31148 17618 8234 25 4 0 1000 syz-executor1 [ 1614.453415] [31177] 0 31177 17618 12677 31 3 0 1000 syz-executor5 [ 1614.462942] [31268] 0 31268 17618 12677 31 3 0 1000 syz-executor5 [ 1614.472626] [31272] 0 31272 17585 8200 24 3 0 1000 syz-executor1 [ 1614.482179] [31296] 0 31296 17618 8234 25 4 0 1000 syz-executor1 [ 1614.491895] [31312] 0 31312 17618 8233 25 4 0 1000 syz-executor1 [ 1614.501418] [31327] 0 31327 17618 8234 25 4 0 1000 syz-executor1 [ 1614.511067] [31338] 0 31338 17618 12677 31 3 0 1000 syz-executor5 [ 1614.520576] [31387] 0 31387 17816 8253 32 4 0 0 syz-executor4 [ 1614.530220] [31388] 0 31388 17618 8235 25 4 0 1000 syz-executor1 [ 1614.539676] [31394] 0 31394 17618 12677 31 3 0 1000 syz-executor5 [ 1614.549193] [31408] 0 31408 17585 8199 24 3 0 1000 syz-executor1 [ 1614.559033] [31416] 0 31416 17651 8203 24 3 0 1000 syz-executor1 [ 1614.568560] [31457] 0 31457 17618 8234 25 4 0 1000 syz-executor1 [ 1614.578205] [31470] 0 31470 17618 12677 31 3 0 1000 syz-executor5 [ 1614.587718] [31481] 0 31481 17618 8233 25 4 0 1000 syz-executor1 [ 1614.597385] [31520] 0 31520 17618 8234 25 4 0 1000 syz-executor1 [ 1614.606896] [31523] 0 31523 17618 12677 31 3 0 1000 syz-executor5 [ 1614.616557] [31547] 0 31547 17618 8233 25 4 0 1000 syz-executor1 [ 1614.626089] [31559] 0 31559 17618 8234 25 4 0 1000 syz-executor1 [ 1614.635762] [31581] 0 31581 17618 8234 25 4 0 1000 syz-executor1 [ 1614.645290] [31607] 0 31607 17618 8234 25 4 0 1000 syz-executor1 [ 1614.654938] [31617] 0 31617 17618 8234 25 4 0 1000 syz-executor1 [ 1614.664466] [31622] 0 31622 17618 12677 31 3 0 1000 syz-executor5 [ 1614.674141] [31663] 0 31663 17618 12677 31 3 0 1000 syz-executor5 [ 1614.683869] [31709] 0 31709 17618 8234 25 4 0 1000 syz-executor1 [ 1614.694805] [31715] 0 31715 17618 12677 31 3 0 1000 syz-executor5 [ 1614.704320] [31725] 0 31725 17618 8234 25 4 0 1000 syz-executor1 [ 1614.713995] [31726] 0 31726 17618 8237 25 4 0 0 syz-executor4 [ 1614.723548] [31754] 0 31754 17585 8230 24 4 0 1000 syz-executor1 [ 1614.733305] [31756] 0 31756 17585 8193 23 3 0 0 syz-executor4 [ 1614.742814] [31764] 0 31764 17585 8202 24 3 0 0 syz-executor4 [ 1614.752489] [31785] 0 31785 17618 12677 31 3 0 1000 syz-executor5 [ 1614.762001] [31820] 0 31820 17585 8198 24 3 0 1000 syz-executor3 [ 1614.771665] [31833] 0 31833 17618 12677 31 3 0 1000 syz-executor5 [ 1614.781173] [31860] 0 31860 17684 8204 25 3 0 1000 syz-executor3 [ 1614.790823] [31918] 0 31918 17618 8233 25 4 0 1000 syz-executor1 [ 1614.800322] [31921] 0 31921 17618 12677 31 3 0 1000 syz-executor5 [ 1614.810097] [31932] 0 31932 17651 8238 26 4 0 1000 syz-executor2 [ 1614.819544] [31945] 0 31945 17618 12677 31 3 0 1000 syz-executor5 [ 1614.829275] [31954] 0 31954 17750 9285 26 3 0 1000 syz-executor0 [ 1614.838774] [31983] 0 31983 17618 8205 24 3 0 0 syz-executor4 [ 1614.848283] [31993] 0 31993 17618 12677 31 3 0 1000 syz-executor5 [ 1614.858065] [31994] 0 31994 17651 8207 24 3 0 0 syz-executor4 [ 1614.867577] [32050] 0 32050 17585 8233 26 4 0 1000 syz-executor2 [ 1614.877218] [32061] 0 32061 17618 12677 31 3 0 1000 syz-executor5 [ 1614.886738] [32079] 0 32079 17618 8237 27 4 0 1000 syz-executor2 [ 1614.896404] [32124] 0 32124 17618 12677 31 3 0 1000 syz-executor5 [ 1614.905922] [32154] 0 32154 17618 8238 26 4 0 0 syz-executor4 [ 1614.915572] [32157] 0 32157 17618 8233 25 4 0 1000 syz-executor3 [ 1614.925091] [32161] 0 32161 17585 8199 24 3 0 1000 syz-executor3 [ 1614.934763] [32187] 0 32187 17816 8247 32 4 0 1000 syz-executor3 [ 1614.944281] [32198] 0 32198 17618 12677 31 3 0 1000 syz-executor5 [ 1614.954639] [32205] 0 32205 17684 8221 25 4 0 1000 syz-executor1 [ 1614.964853] [32210] 0 32210 17684 8221 25 4 0 1000 syz-executor1 [ 1614.975145] [32295] 0 32295 17618 12677 31 3 0 1000 syz-executor5 [ 1614.985079] [32322] 0 32322 17618 12677 31 3 0 1000 syz-executor5 [ 1614.995369] [32390] 0 32390 17618 12677 31 3 0 1000 syz-executor1 [ 1615.005393] [32392] 0 32392 17618 12677 31 3 0 1000 syz-executor5 [ 1615.015346] [32435] 0 32435 17651 8234 25 4 0 1000 syz-executor3 [ 1615.024862] [32449] 0 32449 17618 12677 31 3 0 1000 syz-executor5 [ 1615.034370] [32479] 0 32479 17618 8236 25 4 0 0 syz-executor4 [ 1615.044051] [32517] 0 32517 17618 12677 31 3 0 1000 syz-executor5 [ 1615.053554] [32556] 0 32556 17585 8191 24 3 0 1000 syz-executor2 [ 1615.063485] [32559] 0 32559 17585 8200 25 3 0 1000 syz-executor2 [ 1615.072989] [32573] 0 32573 17618 12677 31 3 0 1000 syz-executor5 [ 1615.082642] [32593] 0 32593 17618 8234 26 4 0 1000 syz-executor2 [ 1615.092174] [32628] 0 32628 17618 12677 31 3 0 1000 syz-executor5 [ 1615.101853] [32681] 0 32681 17618 12677 31 3 0 1000 syz-executor5 [ 1615.111376] [32720] 0 32720 17618 12677 31 3 0 1000 syz-executor5 [ 1615.121088] [ 316] 0 316 17618 12677 31 3 0 1000 syz-executor5 [ 1615.130593] [ 396] 0 396 17618 12677 31 3 0 1000 syz-executor5 [ 1615.141151] [ 454] 0 454 17618 12677 31 3 0 1000 syz-executor5 [ 1615.150677] [ 506] 0 506 17618 12677 31 3 0 1000 syz-executor5 [ 1615.160410] [ 579] 0 579 17618 12677 31 3 0 1000 syz-executor5 [ 1615.169861] [ 600] 0 600 17651 8235 25 4 0 1000 syz-executor3 [ 1615.179394] [ 602] 0 602 17585 8199 24 3 0 1000 syz-executor3 [ 1615.189307] [ 634] 0 634 17618 12677 31 3 0 1000 syz-executor5 [ 1615.199066] [ 685] 0 685 17618 12677 31 3 0 1000 syz-executor5 [ 1615.208570] [ 733] 0 733 17618 12677 31 3 0 1000 syz-executor5 [ 1615.218326] [ 758] 0 758 17618 12677 31 3 0 1000 syz-executor5 [ 1615.227828] [ 768] 0 768 17618 8237 25 4 0 1000 syz-executor1 [ 1615.237586] [ 786] 0 786 17618 8232 25 4 0 1000 syz-executor3 [ 1615.247090] [ 790] 0 790 17618 8232 25 4 0 1000 syz-executor3 [ 1615.257880] [ 812] 0 812 17618 12677 31 3 0 1000 syz-executor5 [ 1615.267382] [ 851] 0 851 17651 8239 26 4 0 1000 syz-executor2 [ 1615.277226] [ 905] 0 905 17618 8238 26 4 0 1000 syz-executor2 [ 1615.286717] [ 908] 0 908 17618 12677 31 3 0 1000 syz-executor5 [ 1615.296559] [ 961] 0 961 17618 12677 31 3 0 1000 syz-executor5 [ 1615.306056] [ 1013] 0 1013 17618 12677 31 3 0 1000 syz-executor5 [ 1615.315815] [ 1067] 0 1067 17618 12677 31 3 0 1000 syz-executor5 [ 1615.325309] [ 1088] 0 1088 17585 8199 24 3 0 1000 syz-executor3 [ 1615.335067] [ 1090] 0 1090 17585 8231 25 4 0 1000 syz-executor3 [ 1615.344577] [ 1129] 0 1129 17618 12677 31 3 0 1000 syz-executor5 [ 1615.354432] [ 1194] 0 1194 17618 12677 31 3 0 1000 syz-executor5 [ 1615.363925] [ 1245] 0 1245 17618 12677 31 3 0 1000 syz-executor5 [ 1615.374746] [ 1271] 0 1271 17585 8230 25 4 0 1000 syz-executor3 [ 1615.384301] [ 1280] 0 1280 17618 8233 26 4 0 1000 syz-executor3 [ 1615.394081] [ 1316] 0 1316 17618 12677 31 3 0 1000 syz-executor5 [ 1615.403577] [ 1368] 0 1368 17618 12677 31 3 0 1000 syz-executor5 [ 1615.413442] [ 1417] 0 1417 17651 8236 25 4 0 1000 syz-executor1 [ 1615.422938] [ 1430] 0 1430 17618 12677 31 3 0 1000 syz-executor5 [ 1615.432694] [ 1456] 0 1456 17717 8242 25 4 0 0 syz-executor4 [ 1615.442212] [ 1493] 0 1493 17618 12677 31 3 0 1000 syz-executor5 [ 1615.451961] [ 1574] 0 1574 17618 12677 31 3 0 1000 syz-executor5 [ 1615.461470] [ 1598] 0 1598 17618 12677 31 3 0 1000 syz-executor5 [ 1615.472447] [ 1686] 0 1686 17651 8234 25 4 0 1000 syz-executor3 [ 1615.481945] [ 1707] 0 1707 17618 12677 31 3 0 1000 syz-executor5 [ 1615.491697] [ 1764] 0 1764 17618 12677 31 3 0 1000 syz-executor5 [ 1615.501214] [ 1866] 0 1866 17618 12677 31 3 0 1000 syz-executor5 [ 1615.511012] [ 1899] 0 1899 17651 8234 25 4 0 1000 syz-executor1 [ 1615.520520] [ 1907] 0 1907 17618 12677 31 3 0 1000 syz-executor5 [ 1615.529982] [ 1908] 0 1908 17585 8232 24 3 0 1000 syz-executor2 [ 1615.539748] [ 1918] 0 1918 17651 8239 28 3 0 1000 syz-executor2 [ 1615.549241] [ 1937] 0 1937 17585 8232 24 3 0 1000 syz-executor2 [ 1615.559126] [ 1964] 0 1964 17585 8232 24 3 0 1000 syz-executor2 [ 1615.568623] [ 1979] 0 1979 17585 8232 24 3 0 1000 syz-executor2 [ 1615.578481] [ 1983] 0 1983 17618 12677 31 3 0 1000 syz-executor5 [ 1615.587977] [ 2008] 0 2008 17718 8241 26 4 0 1000 syz-executor1 [ 1615.599037] [ 2057] 0 2057 17618 12677 31 3 0 1000 syz-executor5 [ 1615.608548] [ 2183] 0 2183 17783 8247 31 4 0 0 syz-executor4 [ 1615.618341] [ 2199] 0 2199 17618 12677 31 3 0 1000 syz-executor5 [ 1615.627868] [ 2234] 0 2234 17585 8198 24 3 0 1000 syz-executor3 [ 1615.637677] [ 2248] 0 2248 17717 8206 27 3 0 1000 syz-executor3 [ 1615.647190] [ 2345] 0 2345 17585 8231 26 4 0 1000 syz-executor1 [ 1615.656947] [ 2435] 0 2435 17618 8235 25 4 0 1000 syz-executor1 [ 1615.666459] [ 2452] 0 2452 17684 8241 27 4 0 1000 syz-executor2 [ 1615.676402] [ 2535] 0 2535 17585 8193 23 3 0 0 syz-executor4 [ 1615.685898] [ 2536] 0 2536 17618 8204 24 3 0 0 syz-executor4 [ 1615.695804] [ 2556] 0 2556 17618 12707 31 3 0 1000 syz-executor5 [ 1615.705297] [ 2575] 0 2575 17651 8237 26 4 0 1000 syz-executor2 [ 1615.716327] [ 2625] 0 2625 17585 8199 24 3 0 1000 syz-executor1 [ 1615.725862] [ 2898] 0 2898 17618 8238 26 4 0 0 syz-executor4 [ 1615.735632] [ 3022] 0 3022 17585 8203 24 3 0 0 syz-executor4 [ 1615.745142] [ 3052] 0 3052 17783 8216 24 3 0 0 syz-executor4 [ 1615.754997] [ 3085] 0 3085 17651 8235 25 4 0 1000 syz-executor3 [ 1615.764522] [ 3222] 0 3222 17618 8237 27 4 0 1000 syz-executor2 [ 1615.775292] [ 3227] 0 3227 17618 8237 27 4 0 1000 syz-executor2 [ 1615.784820] [ 3246] 0 3246 17651 8237 26 4 0 1000 syz-executor2 [ 1615.794671] [ 3249] 0 3249 17651 8237 25 3 0 1000 syz-executor2 [ 1615.804183] [ 3263] 0 3263 17651 8237 26 4 0 1000 syz-executor2 [ 1615.814900] [ 3264] 0 3264 17651 8237 25 3 0 1000 syz-executor2 [ 1615.824407] [ 3532] 0 3532 17618 8233 26 4 0 1000 syz-executor3 [ 1615.834265] [ 3637] 0 3637 17651 8240 25 4 0 0 syz-executor4 [ 1615.844053] [ 3641] 0 3641 17583 8230 25 4 0 1000 syz-executor1 [ 1615.853842] [ 3792] 0 3792 17618 12677 31 3 0 1000 syz-executor5 [ 1615.863342] [ 3864] 0 3864 17618 12677 31 3 0 1000 syz-executor5 [ 1615.873380] [ 4057] 0 4057 17585 8200 25 3 0 1000 syz-executor0 [ 1615.882882] [ 4062] 0 4062 17618 8202 25 3 0 1000 syz-executor0 [ 1615.892768] [ 4256] 0 4256 17585 8203 24 3 0 0 syz-executor4 [ 1615.902273] [ 4279] 0 4279 17684 8796 25 3 0 0 syz-executor4 [ 1615.912137] [ 4321] 0 4321 17585 8200 25 3 0 1000 syz-executor1 [ 1615.921689] [ 4343] 0 4343 17684 8206 25 3 0 1000 syz-executor1 [ 1615.932792] [ 4394] 0 4394 17684 8237 27 4 0 1000 syz-executor3 [ 1615.942297] [ 4495] 0 4495 17618 12707 31 3 0 1000 syz-executor5 [ 1615.952171] [ 4723] 0 4723 17618 8238 26 4 0 0 syz-executor4 [ 1615.961684] [ 4725] 0 4725 17618 8238 26 4 0 0 syz-executor4 [ 1615.971537] [ 4786] 0 4786 17618 8232 25 4 0 1000 syz-executor3 [ 1615.981036] [ 4794] 0 4794 17618 8232 25 4 0 1000 syz-executor3 [ 1615.990929] [ 4830] 0 4830 17651 8236 26 4 0 1000 syz-executor0 [ 1616.000515] [ 4846] 0 4846 17618 8239 26 4 0 1000 syz-executor2 [ 1616.009973] [ 4861] 0 4861 17585 8233 26 4 0 1000 syz-executor2 [ 1616.019858] [ 4899] 0 4899 17618 8236 26 3 0 1000 syz-executor2 [ 1616.029410] [ 4903] 0 4903 17651 8238 26 3 0 1000 syz-executor2 [ 1616.040155] [ 4928] 0 4928 17585 8234 26 3 0 1000 syz-executor2 [ 1616.049653] [ 5160] 0 5160 17585 8199 24 3 0 1000 syz-executor1 [ 1616.059561] [ 5180] 0 5180 17618 8207 25 3 0 0 syz-executor4 [ 1616.069090] [ 5226] 0 5226 17585 8234 25 3 0 1000 syz-executor2 [ 1616.078956] [ 5232] 0 5232 17618 8236 25 3 0 1000 syz-executor2 [ 1616.088537] [ 5396] 0 5396 17618 8206 25 3 0 0 syz-executor4 [ 1616.098396] [ 5422] 0 5422 17684 8205 25 3 0 1000 syz-executor3 [ 1616.107887] [ 5655] 0 5655 17618 8206 25 3 0 0 syz-executor4 [ 1616.117907] [ 5806] 0 5806 17618 8206 25 3 0 0 syz-executor4 [ 1616.127405] [ 5834] 0 5834 17585 8204 25 3 0 0 syz-executor4 [ 1616.137247] [ 5848] 0 5848 17618 8232 25 4 0 1000 syz-executor3 [ 1616.146741] [ 5915] 0 5915 17618 8203 24 3 0 1000 syz-executor1 [ 1616.157958] [ 5930] 0 5930 17684 8207 24 3 0 1000 syz-executor1 [ 1616.167458] [ 5981] 0 5981 17651 8235 25 4 0 1000 syz-executor1 [ 1616.177281] [ 6001] 0 6001 17618 8235 27 4 0 1000 syz-executor3 [ 1616.186779] [ 6007] 0 6007 17618 8206 25 3 0 0 syz-executor4 [ 1616.196513] [ 6069] 0 6069 17684 8240 27 4 0 1000 syz-executor3 [ 1616.206006] [ 6199] 0 6199 17585 8202 25 3 0 1000 syz-executor1 [ 1616.215752] [ 6204] 0 6204 17651 8208 25 3 0 1000 syz-executor1 [ 1616.225233] [ 6282] 0 6282 17618 8206 25 3 0 0 syz-executor4 [ 1616.234976] [ 6327] 0 6327 17618 8206 25 3 0 0 syz-executor4 [ 1616.244498] [ 6369] 0 6369 17618 8206 25 3 0 0 syz-executor4 [ 1616.255335] [ 6437] 0 6437 17618 8206 25 3 0 0 syz-executor4 [ 1616.264846] [ 6496] 0 6496 17585 8204 25 3 0 0 syz-executor4 [ 1616.274753] [ 6561] 0 6561 17618 8206 25 3 0 0 syz-executor4 [ 1616.284271] [ 6597] 0 6597 17618 8206 25 3 0 0 syz-executor4 [ 1616.294098] [ 6680] 0 6680 17585 8204 25 3 0 1000 syz-executor5 [ 1616.303590] [ 6684] 0 6684 17585 8207 25 3 0 0 syz-executor4 [ 1616.313454] [ 6724] 0 6724 17618 8208 25 3 0 0 syz-executor4 [ 1616.322945] [ 6734] 0 6734 17585 8192 23 3 0 1000 syz-executor1 [ 1616.332729] [ 6905] 0 6905 17618 8208 25 3 0 0 syz-executor4 [ 1616.342231] [ 6906] 0 6906 17651 8240 25 4 0 1000 syz-executor1 [ 1616.351968] [ 6936] 0 6936 17618 12679 31 3 0 1000 syz-executor5 [ 1616.361452] [ 6947] 0 6947 17680 12679 31 3 0 1000 syz-executor5 [ 1616.372276] [ 7103] 0 7103 17651 8240 25 4 0 1000 syz-executor1 [ 1616.381763] [ 7129] 0 7129 17618 8208 25 3 0 0 syz-executor4 [ 1616.391543] [ 7141] 0 7141 17618 8241 26 4 0 1000 syz-executor1 [ 1616.401027] [ 7314] 0 7314 17618 8208 25 3 0 0 syz-executor4 [ 1616.410918] [ 7366] 0 7366 17618 8208 25 3 0 0 syz-executor4 [ 1616.420402] [ 7378] 0 7378 17618 8240 25 4 0 1000 syz-executor1 [ 1616.429844] [ 7382] 0 7382 17618 8240 25 4 0 1000 syz-executor1 [ 1616.439734] [ 7418] 0 7418 17618 8208 25 3 0 0 syz-executor4 [ 1616.449221] [ 7459] 0 7459 17618 8208 25 3 0 0 syz-executor4 [ 1616.459004] [ 7602] 0 7602 17618 8208 25 3 0 0 syz-executor4 [ 1616.468491] [ 7661] 0 7661 17618 8208 25 3 0 0 syz-executor4 [ 1616.479475] [ 7681] 0 7681 17618 12679 31 3 0 1000 syz-executor5 [ 1616.488958] [ 8195] 0 8195 17651 8242 26 4 0 1000 syz-executor0 [ 1616.498693] [ 8196] 0 8196 17651 8242 26 4 0 1000 syz-executor0 [ 1616.508177] [ 8307] 0 8307 5384 556 14 3 0 -1000 udevd [ 1616.517257] [ 8465] 0 8465 17618 8211 25 3 0 0 syz-executor4 [ 1616.526737] [ 8544] 0 8544 17618 8211 25 3 0 0 syz-executor4 [ 1616.536554] [ 8573] 0 8573 17618 8208 25 3 0 1000 syz-executor5 [ 1616.546044] [ 8577] 0 8577 17585 8209 25 3 0 0 syz-executor4 [ 1616.555931] [ 8685] 0 8685 5384 556 14 3 0 -1000 udevd [ 1616.564721] [ 8755] 0 8755 17651 8383 26 4 0 1000 syz-executor0 [ 1616.574451] [ 8815] 0 8815 17585 8217 25 3 0 1000 syz-executor0 [ 1616.583932] [ 8816] 0 8816 17618 8223 25 3 0 0 syz-executor4 [ 1616.594741] [ 8818] 0 8818 17618 8219 25 3 0 1000 syz-executor0 [ 1616.604241] [ 8940] 0 8940 17585 8373 25 4 0 1000 syz-executor1 [ 1616.614022] [ 9005] 0 9005 17618 8375 25 4 0 1000 syz-executor1 [ 1616.623516] [ 9160] 0 9156 17651 8385 25 4 0 1000 syz-executor1 [ 1616.633317] [ 9187] 0 9187 3649 43 13 3 0 0 getty [ 1616.642172] [ 9190] 0 9190 3649 42 13 3 0 0 getty [ 1616.651338] [ 9191] 0 9191 3649 44 12 3 0 0 getty [ 1616.660138] [ 9192] 0 9192 3649 42 12 3 0 0 getty [ 1616.668913] [ 9193] 0 9193 3649 43 13 3 0 0 getty [ 1616.678230] [ 9194] 0 9194 3649 43 13 3 0 0 getty [ 1616.687378] [ 9257] 0 9257 17618 8438 26 4 0 1000 syz-executor0 [ 1616.698425] Out of memory: Kill process 8997 (syz-executor5) score 1010 or sacrifice child 17:18:27 executing program 1: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TIOCSBRK(r0, 0x5427) flock(r0, 0x0) r2 = dup3(r0, r1, 0x0) r3 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[]}}, 0x0) sendmsg$key(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)={0x2, 0x7, 0x0, 0x9, 0x2}, 0x10}}, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f00000000c0)=0x81) r4 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_XFRM_POLICY(r5, 0x29, 0x23, &(0x7f0000000380)={{{@in6, @in6=@local, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@loopback, 0x0, 0x33}, 0x0, @in6=@local, 0x0, 0x0, 0x0, 0x6}}, 0xe8) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000100)='cgroup.controllers\x00', 0x0, 0x0) connect$inet6(r5, &(0x7f0000000140)={0xa, 0x1, 0x200000000000000, @loopback, 0x3}, 0x1c) sendmmsg(r5, &(0x7f0000007e00), 0x400000000000058, 0x0) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f00000002c0)=0x0) r8 = perf_event_open(&(0x7f0000000240)={0x0, 0x70, 0x6, 0x9, 0x4, 0xfffffffffffffffb, 0x0, 0x10000, 0x2001, 0x6, 0x8, 0x9, 0x8, 0x3, 0x3f, 0x6, 0x100000000, 0x9, 0x101, 0xc, 0xffff, 0x9, 0x90f4, 0x1f, 0x1, 0x6, 0x0, 0x10001, 0x80000000, 0xdb, 0x1000, 0x5, 0x4, 0x7, 0x6e, 0x7, 0x9, 0x278, 0x0, 0x3, 0x2, @perf_bp={&(0x7f00000001c0)}, 0x82, 0x7ff, 0x0, 0x0, 0x0, 0x0, 0x5}, r7, 0xffffffffffffffff, r2, 0x8) flock(r0, 0xffffffffffeffffa) r9 = geteuid() r10 = getgid() getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000640)={{{@in, @in=@multicast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@empty}, 0x0, @in=@loopback}}, &(0x7f0000000740)=0xe8) getresgid(&(0x7f0000000780), &(0x7f00000007c0), &(0x7f0000000800)=0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000840)={0x0, 0x0}, &(0x7f0000000880)=0xc) stat(&(0x7f00000008c0)='./file0\x00', &(0x7f0000000900)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$unix(r1, &(0x7f0000000a80)={&(0x7f0000000300)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000600)=[{&(0x7f0000000480)="0a5335343b1563c7b859b4c2e05bfadfd9b931d4ecd21c0102e40ac020d453f462df881a20fcc461dd0c68085f2221534648314ef93776570cc61c2a96ec85ffe0dbaf9ef7958dcd4226b1972080ca2a8ee65274341fa9fe0729853acaa8a6a8a88cc0d5682ac8b13977a6c2522c44cc6f1c7a57b5085ca6ad592bb1c673186aa89f7782fd59c92c88b856688fc0e5f9742c92bc6bc898ac2008124fd1a61ce1a9ddd098efbe65a5f33c27366968c6963e944fe981e8ba402cac1736cf82b544e5ae90d5197f", 0xc6}, {&(0x7f0000000580)="eed14966f1144f119eeb0569fd3e2853ed9866b1bfee94103b779dda6cec239cda283ab5f306340944a4d02bf7795517e0dec57c8d1d29c6c54109986b59af9bfe0ac0ce5ba4b2504f65c4dff43f06ff35e5592befff", 0x56}], 0x2, &(0x7f0000000980)=[@cred={0x20, 0x1, 0x2, r7, r9, r10}, @cred={0x20, 0x1, 0x2, r7, r11, r12}, @rights={0x28, 0x1, 0x1, [r0, r0, r1, r6, r8]}, @cred={0x20, 0x1, 0x2, r7, r13, r14}, @rights={0x20, 0x1, 0x1, [r4, r4, r3, r5]}, @rights={0x38, 0x1, 0x1, [r6, r8, r8, r4, r3, r8, r2, r0, r2, r2]}, @rights={0x20, 0x1, 0x1, [r2, r3, r2]}], 0x100, 0x20000000}, 0x4000) 17:18:27 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fsetxattr$security_ima(0xffffffffffffffff, &(0x7f0000000000)='security.ima\x00', &(0x7f0000000100)=@sha1={0x1, "0f0e60212ed20cd31c9c93c050f5205d784ac782"}, 0x15, 0x2) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet6_MRT6_DEL_MFC_PROXY(r2, 0x29, 0xd3, &(0x7f0000000200)={{0xa, 0x4e21, 0x8, @loopback, 0x1}, {0xa, 0x4e20, 0x8, @mcast1, 0x100}, 0xd18b, [0x5, 0x8, 0x4, 0xfbcc, 0x6, 0x9, 0x8000]}, 0x5c) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f00000000c0)={0x2, &(0x7f00000001c0)=[{0x4d}, {0x6}]}, 0x10) sendmmsg(r0, &(0x7f0000003840)=[{{0x0, 0x0, &(0x7f0000002240), 0x1ba, &(0x7f00000022c0)}}, {{0x0, 0x0, &(0x7f00000026c0), 0x0, &(0x7f0000002700)}}], 0x75a, 0x0) 17:18:27 executing program 4: time(&(0x7f0000005580)) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x102, 0x4) bind$inet(r0, &(0x7f0000942000)={0x2, 0x4e20, @multicast1}, 0x10) getsockopt$IP_VS_SO_GET_SERVICE(r0, 0x0, 0x483, &(0x7f0000000040), &(0x7f00000000c0)=0x68) mlockall(0x7) clone(0x0, 0x0, 0xfffffffffffffffe, &(0x7f0000005480), 0xffffffffffffffff) r1 = add_key(&(0x7f00000053c0)='asymmetric\x00', &(0x7f0000005400)={'syz', 0x0}, &(0x7f0000005440)="f84e0cad4f825044c5b3ce49e3b957cc3997c30212fea77bbce9f3d7851d4d53fc4b6e9f1d822a65d07444d2bcf953b6827a4d0cda715fb3a32c410404bc5d", 0x3f, 0xffffffffffffffff) keyctl$clear(0x7, r1) r2 = open(&(0x7f00000002c0)='./file0\x00', 0x0, 0x40) exit(0x82c) recvmmsg(r2, &(0x7f0000004ec0)=[{{0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000140)=""/226, 0xe2}, {&(0x7f0000000300)=""/206, 0xce}, {&(0x7f0000005ac0)=""/173, 0xad}, {&(0x7f0000000240)=""/98, 0x62}, {&(0x7f00000004c0)=""/69, 0x45}, {&(0x7f0000000540)=""/101, 0x65}], 0x6, &(0x7f0000000640)=""/231, 0xffffffffffffff68, 0xfc}, 0x1}, {{0x0, 0x0, &(0x7f0000000e40), 0x0, &(0x7f0000000ec0)=""/157, 0x9d, 0x6}, 0x1}, {{&(0x7f0000000f80)=@nfc_llcp, 0x80, &(0x7f00000011c0)=[{&(0x7f0000001000)=""/139, 0x8b}, {&(0x7f0000001100)=""/181, 0xb5}, {&(0x7f0000000b80)=""/32, 0x20}], 0x3, &(0x7f0000001200)=""/32, 0x20, 0x80000000}, 0x3}, {{&(0x7f0000001240)=@ipx, 0x80, &(0x7f0000001440)=[{&(0x7f00000012c0)=""/71, 0xffffffe5}, {&(0x7f0000001340)=""/226, 0xe2}], 0x2, &(0x7f0000001480)=""/148, 0x94, 0x3}, 0x4}, {{&(0x7f0000001540)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @ipv4={[], [], @multicast1}}}}, 0x80, &(0x7f00000036c0)=[{&(0x7f00000015c0)=""/212, 0xd4}, {&(0x7f00000016c0)=""/4096, 0x1000}, {&(0x7f00000026c0)=""/4096, 0x1000}], 0x3, 0x0, 0x0, 0x20}, 0x946}, {{0x0, 0x0, &(0x7f00000037c0)=[{&(0x7f0000003700)=""/173, 0xad}], 0x1, 0x0, 0x0, 0x4}, 0x8}, {{&(0x7f0000003800)=@ipx, 0x80, &(0x7f0000003980)=[{&(0x7f0000003880)=""/42, 0x2a}, {&(0x7f00000038c0)=""/174, 0xae}], 0x2, &(0x7f00000039c0)=""/3, 0x3, 0x8}, 0x6}, {{&(0x7f0000003a00)=@pppoe={0x18, 0x0, {0x0, @dev}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000003a80)=""/74, 0x4a}, {&(0x7f0000003b00)=""/103, 0x67}, {&(0x7f0000003b80)=""/245, 0xf5}], 0x3, &(0x7f0000003cc0)=""/4096, 0x1000, 0x3}, 0x2}, {{&(0x7f0000004cc0)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @dev}}}, 0x80, &(0x7f0000004e40)=[{&(0x7f0000004d40)=""/12, 0xc}, {&(0x7f0000004d80)=""/16, 0x10}, {&(0x7f0000004dc0)=""/72, 0x48}], 0x3, &(0x7f0000004e80)=""/38, 0x26}}], 0x9, 0x2, &(0x7f0000005100)={0x0, 0x989680}) syz_genetlink_get_family_id$ipvs(&(0x7f0000005180)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DEST(r4, &(0x7f0000005280)={&(0x7f00000007c0)={0x10, 0x0, 0x0, 0x44000000}, 0xc, &(0x7f0000005240)={&(0x7f0000005680)=ANY=[@ANYBLOB="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"], 0x1}}, 0x4000841) mlockall(0x3) r5 = accept4$inet(0xffffffffffffffff, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x0) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000d4effc)=0x1, 0x4) fchmod(r5, 0x180) setsockopt$inet_tcp_buf(r2, 0x6, 0xe, &(0x7f0000005380)="d09406254b8a0b8a1b46eb0c0a479781095aa5f3d9ca5c6b00f4a746ef08f95181cb801a9c9c532f0f8044159276802e81b45631f79e", 0x36) munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000) getsockopt$IP_VS_SO_GET_VERSION(r3, 0x0, 0x480, &(0x7f00000052c0), &(0x7f0000005300)=0x40) connect$inet(0xffffffffffffffff, &(0x7f0000606ff0)={0x2, 0x4e20, @local}, 0x10) syz_genetlink_get_family_id$team(&(0x7f0000000900)='team\x00') getsockopt$inet6_mreq(r2, 0x29, 0x1c, &(0x7f0000005b80)={@ipv4={[], [], @multicast1}, 0x0}, &(0x7f0000005bc0)=0x14) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000740)={'erspan0\x00', r6}) getpeername(r4, &(0x7f0000005500)=@xdp, &(0x7f0000005340)=0x80) accept$packet(r2, &(0x7f0000000440)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000005600)=0xffffffffffffff35) getsockopt$inet6_mreq(r3, 0x29, 0x1d, &(0x7f0000005640)={@ipv4={[], [], @multicast2}}, &(0x7f0000005840)=0x14) r7 = accept$packet(r3, &(0x7f0000005880)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f00000058c0)=0x14) getpeername$packet(r2, &(0x7f0000005900)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000005940)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000005980)={{{@in=@multicast2}}, {{@in=@multicast1}, 0x0, @in=@loopback}}, &(0x7f0000005a80)=0xe8) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000005c40)={'team0\x00'}) accept$packet(r7, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000780)=0x14) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f0000006080)={&(0x7f00000051c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000006040)={&(0x7f0000000940)=ANY=[@ANYBLOB="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"], 0x1}, 0x1, 0x0, 0x0, 0x40000}, 0x40000) socket$inet6_udplite(0xa, 0x2, 0x88) sendmmsg(r0, &(0x7f00000010c0)=[{{&(0x7f0000000bc0)=@in6={0xa, 0x0, 0x0, @mcast1}, 0x80, &(0x7f0000000d40), 0x2fb, &(0x7f0000000d80)}}], 0x4000000000001b4, 0x40400d4) ioctl$TIOCEXCL(r2, 0x540c) 17:18:27 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f00000003c0)={&(0x7f0000ffc000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, &(0x7f0000ff8000/0x5000)=nil, &(0x7f0000fff000/0x1000)=nil, &(0x7f00000002c0)="11bca8cca57a18a3986963c603f0e7ee53835c4c7086dd05a377348eca1a59324f20f4db8dfe048aa9770557446f2177970b0d1cac1915a6d4a4f7fa29374baa0e54cd9aad3c33bbe88e319c9c13646508ad8b5ad296553d9896632e07ca5748e647866cdc23dbe5295403d8f692e04789a0233ba7fa8971ad483217fd8b5689df21d1bb242c791b9568d7543b217fddfaaa95644f1e3f0db84c705fca9491ba41ff1e57c6cad9498da6f47f6b05fde4aab88db04c229245f26dfc2d9f576f193b6bccd859a4d3616aec70a8fde51b7d1d6a6b238002b2dcfb2842490c19fbfb", 0xe0, r0}, 0x68) fcntl$F_SET_RW_HINT(r1, 0x40c, &(0x7f00000000c0)=0x2) bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0x2000000000001, 0x1ffffffffffffe45, &(0x7f0000000440)=ANY=[@ANYBLOB="000000000000691074b7b42a2f6d3ce0c51cda43f4000000000000000000000059e71e7c308f024870"], &(0x7f0000000000)='GPL\x00', 0x6}, 0x48) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0xfffffffffffffffe, 0x0) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000280)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_PORTS(r2, &(0x7f0000000240)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x820000}, 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0x1c, r3, 0x300, 0x70bd2b, 0x25dfdbff, {}, [""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x20000011) 17:18:27 executing program 5: time(&(0x7f0000005580)) r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x102, 0x4) bind$inet(r0, &(0x7f0000942000)={0x2, 0x4e20, @multicast1}, 0x10) getsockopt$IP_VS_SO_GET_SERVICE(r0, 0x0, 0x483, &(0x7f0000000040), &(0x7f00000000c0)=0x68) mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, &(0x7f0000005480), 0xffffffffffffffff) r1 = add_key(&(0x7f00000053c0)='asymmetric\x00', &(0x7f0000005400)={'syz', 0x0}, &(0x7f0000005440)="f84e0cad4f825044c5b3ce49e3b957cc3997c30212fea77bbce9f3d7851d4d53fc4b6e9f1d822a65d07444d2bcf953b6827a4d0cda715fb3a32c410404bc5d", 0x3f, 0xffffffffffffffff) keyctl$clear(0x7, r1) r2 = open(&(0x7f00000002c0)='./file0\x00', 0x0, 0x40) exit(0x7fffffffbffffffd) recvmmsg(r2, &(0x7f0000004ec0)=[{{0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000140)=""/226, 0xe2}, {&(0x7f0000000300)=""/206, 0xce}, {&(0x7f0000005ac0)=""/173, 0xad}, {&(0x7f0000000240)=""/98, 0x62}, {&(0x7f00000004c0)=""/69, 0x45}, {&(0x7f0000000540)=""/101, 0x65}], 0x6, &(0x7f0000000640)=""/231, 0xffffffffffffff68, 0xfc}, 0x1}, {{0x0, 0x0, &(0x7f0000000e40), 0x0, &(0x7f0000000ec0)=""/157, 0x9d, 0x6}, 0x1}, {{&(0x7f0000000f80)=@nfc_llcp, 0x80, &(0x7f00000011c0)=[{&(0x7f0000001000)=""/139, 0x8b}, {&(0x7f0000001100)=""/181, 0xb5}, {&(0x7f0000000b80)=""/32, 0x20}], 0x3, &(0x7f0000001200)=""/32, 0x20, 0x80000000}, 0x3}, {{&(0x7f0000001240)=@ipx, 0x80, &(0x7f0000001440)=[{&(0x7f00000012c0)=""/71, 0xffffffe5}, {&(0x7f0000001340)=""/226, 0xe2}], 0x2, &(0x7f0000001480)=""/148, 0x94, 0x3}, 0x4}, {{&(0x7f0000001540)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @ipv4={[], [], @multicast1}}}}, 0x80, &(0x7f00000036c0)=[{&(0x7f00000015c0)=""/212, 0xd4}, {&(0x7f00000016c0)=""/4096, 0x1000}, {&(0x7f00000026c0)=""/4096, 0x1000}], 0x3, 0x0, 0x0, 0x20}, 0x946}, {{0x0, 0x0, &(0x7f00000037c0)=[{&(0x7f0000003700)=""/173, 0xad}], 0x1, 0x0, 0x0, 0x4}, 0x8}, {{&(0x7f0000003800)=@ipx, 0x80, &(0x7f0000003980)=[{&(0x7f0000003880)=""/42, 0x2a}, {&(0x7f00000038c0)=""/174, 0xae}], 0x2, &(0x7f00000039c0)=""/3, 0x3, 0x8}, 0x6}, {{&(0x7f0000003a00)=@pppoe={0x18, 0x0, {0x0, @dev}}, 0x80, &(0x7f0000000400)=[{&(0x7f0000003a80)=""/74, 0x4a}, {&(0x7f0000003b00)=""/103, 0x67}, {&(0x7f0000003b80)=""/245, 0xf5}], 0x3, &(0x7f0000003cc0)=""/4096, 0x1000, 0x3}, 0x2}, {{&(0x7f0000004cc0)=@pppol2tpv3in6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @dev}}}, 0x80, &(0x7f0000004e40)=[{&(0x7f0000004d40)=""/12, 0xc}, {&(0x7f0000004d80)=""/16, 0x10}, {&(0x7f0000004dc0)=""/72, 0x48}], 0x3, &(0x7f0000004e80)=""/38, 0x26}}], 0x9, 0x2, &(0x7f0000005100)={0x0, 0x989680}) syz_genetlink_get_family_id$ipvs(&(0x7f0000005180)='IPVS\x00') sendmsg$IPVS_CMD_NEW_DEST(r4, &(0x7f0000005280)={&(0x7f0000005140)={0x10, 0x0, 0x0, 0x44000000}, 0xc, &(0x7f0000005240)={&(0x7f0000005680)=ANY=[@ANYBLOB="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"], 0x1}}, 0x4000841) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mlockall(0x3) r5 = accept4$inet(0xffffffffffffffff, &(0x7f00000000c0), &(0x7f0000000100)=0x10, 0x0) setsockopt$sock_int(r0, 0x1, 0x3c, &(0x7f0000d4effc)=0x1, 0x4) fchmod(r5, 0x180) setsockopt$inet_tcp_buf(r2, 0x6, 0xe, &(0x7f0000005380)="d09406254b8a0b8a1b46eb0c0a479781095aa5f3d9ca5c6b00f4a746ef08f95181cb801a9c9c532f0f8044159276802e81b45631f79e", 0x36) munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000) getsockopt$IP_VS_SO_GET_VERSION(r3, 0x0, 0x480, &(0x7f00000052c0), &(0x7f0000005300)=0x40) connect$inet(r0, &(0x7f0000606ff0)={0x2, 0x4e20, @local}, 0x10) syz_genetlink_get_family_id$team(&(0x7f0000000900)='team\x00') getsockopt$inet6_mreq(r2, 0x29, 0x1c, &(0x7f0000005b80)={@ipv4={[], [], @multicast1}, 0x0}, &(0x7f0000005bc0)=0x14) ioctl$sock_SIOCGIFINDEX(r5, 0x8933, &(0x7f0000000740)={'erspan0\x00', r6}) getpeername(r4, &(0x7f0000005500)=@xdp, &(0x7f0000005340)=0x80) accept$packet(r2, &(0x7f0000000440)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f0000005600)=0xffffffffffffff35) getsockopt$inet6_mreq(r3, 0x29, 0x1d, &(0x7f0000005640)={@ipv4={[], [], @multicast2}}, &(0x7f0000005840)=0x14) r7 = accept$packet(r3, &(0x7f0000005880)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @random}, &(0x7f00000058c0)=0x14) getpeername$packet(r2, &(0x7f0000005900)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000005940)=0x14) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000a40)={{{@in=@multicast2}}, {{@in=@multicast1}, 0x0, @in=@loopback}}, &(0x7f0000000880)=0xfffffffffffffdda) ioctl$ifreq_SIOCGIFINDEX_team(r3, 0x8933, &(0x7f0000005c40)={'team0\x00'}) accept$packet(r7, &(0x7f0000000480)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000780)=0x14) sendmsg$TEAM_CMD_OPTIONS_SET(r2, &(0x7f0000006080)={&(0x7f00000051c0)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000006040)={&(0x7f00000007c0)=ANY=[@ANYBLOB="080007230001686173685f737461747300000000000000000000000000000000a1100008000300c102400000080007000000000000000000000066cd6ab31679f7e419bf7ffe8ca8f13187868c9f3cfb0eb0d6a371c26a69932ee8103e89411fc0f4adb38c255e6f755a01dbe49f47c6fb0903d27534844ba346975b4c3ec11114e1c89bfca3f09985ab1c7d74efbc984852677e38b8"], 0x1}, 0x1, 0x0, 0x0, 0x40000}, 0x40000) socket$inet6_udplite(0xa, 0x2, 0x88) sendmmsg(r0, &(0x7f00000010c0)=[{{&(0x7f0000000bc0)=@in6={0xa, 0x0, 0x0, @mcast1}, 0x80, &(0x7f0000000d40), 0x2fb, &(0x7f0000000d80)}}], 0x4000000000001b4, 0x40400d4) ioctl$TIOCEXCL(r2, 0x540c) 17:18:27 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000140)='net/stat\x00') getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x23, &(0x7f00000002c0)={@local, @broadcast, 0x0}, &(0x7f0000000340)=0xc) recvfrom$packet(r0, &(0x7f0000000200)=""/86, 0x56, 0x40000060, &(0x7f0000000380)={0x11, 0x19, r1, 0x1, 0x1, 0x6, @dev={[], 0xa}}, 0x14) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000180)='TIPCv2\x00') sendmsg$TIPC_NL_LINK_RESET_STATS(r0, &(0x7f0000000440)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000110}, 0xc, &(0x7f0000000280)={&(0x7f00000003c0)={0x60, r4, 0x4, 0x70bd27, 0x25dfdbfb, {}, [@TIPC_NLA_SOCK={0x4}, @TIPC_NLA_NET={0x48, 0x7, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x1}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x7}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x5}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0xff}, @TIPC_NLA_NET_ADDR={0x8, 0x2, 0x9}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x7}]}]}, 0x60}}, 0x10) r5 = syz_genetlink_get_family_id$fou(&(0x7f00000004c0)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f0000000580)={&(0x7f0000000480)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x28, r5, 0x324, 0x70bd2c, 0x25dfdbfc, {}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e22}, @FOU_ATTR_TYPE={0x8, 0x4, 0x3}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4}]}, 0x28}, 0x1, 0x0, 0x0, 0x4040000}, 0x800) fsetxattr$security_ima(0xffffffffffffffff, 0x0, &(0x7f0000000100)=@sha1={0x1, "0f0e60212ed20cd31c9c93c050f5205d784ac782"}, 0x15, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, &(0x7f00000000c0)={0x2, &(0x7f00000001c0)=[{0x4d}, {0x6}]}, 0x10) ioctl$TIOCLINUX2(r0, 0x541c, &(0x7f00000005c0)={0x2, 0x4, 0x1000, 0x7f, 0x7, 0xfffffffffffffffd}) sendmmsg(r2, &(0x7f0000003840)=[{{0x0, 0x0, &(0x7f0000002240), 0x1ba, &(0x7f00000022c0)}}, {{0x0, 0x0, &(0x7f00000026c0), 0x0, &(0x7f0000002700)}}], 0x75a, 0x0) 17:18:28 executing program 0: r0 = memfd_create(&(0x7f0000000000)='[,\x00', 0x0) r1 = accept4(r0, &(0x7f00000000c0), &(0x7f00000001c0)=0x80, 0x80800) mmap(&(0x7f0000006000/0x4000)=nil, 0x4000, 0x200000a, 0x8000002012, r0, 0x0) mprotect(&(0x7f0000006000/0x1000)=nil, 0x1000, 0x0) mprotect(&(0x7f0000003000/0x4000)=nil, 0x4000, 0x2) ioctl$TUNSETPERSIST(r0, 0x400454cb, 0x0) finit_module(r1, &(0x7f0000000180)='[,\x00', 0x1) getsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000040), &(0x7f0000000080)=0x4) 17:18:28 executing program 0: r0 = open(&(0x7f0000000140)='./bus\x00', 0x141042, 0x0) r1 = creat(&(0x7f0000000180)='./file0\x00', 0x0) fcntl$setstatus(r1, 0x4, 0x40000) write$P9_RREMOVE(r1, &(0x7f0000000280)={0xff60}, 0xe3c7) setsockopt$inet_MCAST_LEAVE_GROUP(0xffffffffffffffff, 0x0, 0x2d, &(0x7f0000000800)={0xa9e, {{0x2, 0x0, @multicast1}}}, 0x33e) r2 = creat(&(0x7f0000000700)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x40400) fdatasync(r1) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000440)=0x8, 0xfffffffffffffef0) io_setup(0x0, 0x0) write$cgroup_type(r2, &(0x7f0000000200)='threaded\x00', 0x175d900f) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfdfffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(0xffffffffffffffff) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r1) ioctl$FITRIM(r1, 0xc0185879, &(0x7f0000000040)={0x7, 0x80, 0x2}) r3 = socket(0x840000000002, 0x3, 0xff) bind$inet(r3, &(0x7f0000000400)={0x2, 0x4e24, @multicast1}, 0x10) r4 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/status\x00', 0x0, 0x0) munlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000) r5 = syz_open_procfs(0x0, &(0x7f0000000200)="2f6578650000c10000000000e9ff0700000000000054fa07424adee916d2da75afe70b35a0fd6a1f0200f5ab26d7a071fb35331ce39c5a6568641006d7c0206a74e33326530000000000000000000000") getsockopt$inet6_int(r4, 0x29, 0xfffffffffffffffe, &(0x7f00000000c0), &(0x7f0000000140)=0x4) accept4(0xffffffffffffffff, &(0x7f0000000300)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f00000002c0)=0xffffffffffffff2f, 0x0) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000200)={0x0, r1}) ioctl$PIO_UNISCRNMAP(r5, 0x4b6a, &(0x7f00000004c0)="d1e62cc4b381b3dbcd4c0ad3fa943d4ccc9cbc4cbc257d4ef378da99a56f333901156236529b131b679d6a9adb157cbaa5a2095919f73d6e0a82d8f4946b438b6d21146d1955cd6b5c452a60941dc7bf52f3cf3cc60b6e664e5ab3cc738316e6038fb7440e39248b430e4b4f3beb83667a366557bb0117c8f7b5e3fecf595b9781e2e42a39d235525ad8c7f7b38d3de42d081364621196f976c4e1c4d015efb3e6cbe715e95cbb288dfec7d0805eb36b353368ac3d426e026547f48ed501ffcbfac0d2ede4863e2141bc9b367113f01186d9a429b2621f05725e3d78b9d5ebd656ec9937a17a48266a18d0bcb8bc6f1a36978cedbc119a") ioctl$GIO_UNIMAP(r4, 0x4b66, &(0x7f0000000640)={0x0, 0x0}) openat(r4, &(0x7f00000001c0)='./bus\x00', 0x0, 0x20) statfs(0x0, 0x0) socket$inet(0x2, 0x1, 0x0) r6 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0) ioctl$KDSETMODE(r6, 0x4b3a, 0x2) 17:18:28 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fsetxattr$security_ima(0xffffffffffffffff, &(0x7f0000000000)='security.ima\x00', &(0x7f0000000100)=@sha1={0x1, "0f0e60212ed20cd31c9c93c050f5205d784ac782"}, 0x15, 0x2) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f00000000c0)={0x2, &(0x7f00000001c0)=[{0x4d}, {0x6}]}, 0x10) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x400000, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000180)=0x0) write$P9_RGETLOCK(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="23000000370200033044a764000000000400000000000000", @ANYRES32=r3, @ANYBLOB="05003a70726f63"], 0x23) sendmmsg(r0, &(0x7f0000003840)=[{{0x0, 0x0, &(0x7f0000002240), 0x1ba, &(0x7f00000022c0)}}, {{0x0, 0x0, &(0x7f00000026c0), 0x0, &(0x7f0000002700)}}], 0x75a, 0x0) 17:18:29 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) fsetxattr$security_ima(0xffffffffffffffff, 0x0, &(0x7f0000000100)=@sha1={0x1, "0f0e60212ed20cd31c9c93c050f5205d784ac782"}, 0x15, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f00000000c0)={0x2, &(0x7f00000001c0)=[{0x4d}, {0x6}]}, 0x10) r2 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$UI_SET_RELBIT(r2, 0x40045566, 0x6) sendmmsg(r0, &(0x7f0000003840)=[{{0x0, 0x0, &(0x7f0000002240), 0x1ba, &(0x7f00000022c0)}}, {{0x0, 0x0, &(0x7f00000026c0), 0x0, &(0x7f0000002700)}}], 0x75a, 0x0) [ 1618.557127] syz-executor0 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 1618.585300] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1618.592231] Call Trace: [ 1618.594818] dump_stack+0xb9/0x11b [ 1618.598373] dump_header+0x17d/0x7a8 [ 1618.602091] ? trace_hardirqs_on_caller+0x381/0x520 [ 1618.607124] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1618.612322] ? ___ratelimit+0x4f/0x3f0 [ 1618.616231] oom_kill_process.cold.8+0x10/0xc88 [ 1618.620905] ? lock_downgrade+0x560/0x560 [ 1618.625080] ? check_preemption_disabled+0x34/0x1e0 [ 1618.630108] out_of_memory+0x669/0xa60 [ 1618.634005] ? oom_killer_disable+0x1f0/0x1f0 [ 1618.638523] __alloc_pages_nodemask+0x1969/0x2280 [ 1618.643400] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1618.648333] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1618.653186] ? perf_trace_lock+0x11a/0x4c0 [ 1618.657425] ? check_preemption_disabled+0x34/0x1e0 [ 1618.662484] ? rcu_read_lock_sched_held+0x102/0x120 [ 1618.667545] copy_process.part.6+0x267/0x6530 [ 1618.672044] ? __handle_mm_fault+0xdab/0x25f0 [ 1618.676725] ? lock_downgrade+0x560/0x560 [ 1618.680877] ? check_preemption_disabled+0x34/0x1e0 [ 1618.685901] ? perf_trace_lock+0x11a/0x4c0 [ 1618.690163] ? __cleanup_sighand+0x40/0x40 [ 1618.694396] ? vm_insert_page+0x6d0/0x6d0 [ 1618.698537] ? HARDIRQ_verbose+0x10/0x10 [ 1618.702621] _do_fork+0x1c2/0xd50 [ 1618.706095] ? fork_idle+0x250/0x250 [ 1618.709828] ? up_read+0x17/0x30 [ 1618.713200] ? __do_page_fault+0x64c/0xb60 [ 1618.717443] ? do_syscall_64+0x43/0x4b0 [ 1618.721450] ? sys_vfork+0x20/0x20 [ 1618.724997] do_syscall_64+0x19b/0x4b0 [ 1618.728902] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1618.734093] RIP: 0033:0x45a049 [ 1618.737280] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1618.744986] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1618.752253] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1618.759519] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1618.766781] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1618.774044] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1618.816450] Mem-Info: [ 1618.819585] active_anon:112108 inactive_anon:1324484 isolated_anon:12 [ 1618.819585] active_file:234 inactive_file:249 isolated_file:46 [ 1618.819585] unevictable:17681 dirty:12 writeback:0 unstable:0 [ 1618.819585] slab_reclaimable:6473 slab_unreclaimable:68730 [ 1618.819585] mapped:58121 shmem:851 pagetables:22361 bounce:0 [ 1618.819585] free:6661 free_pcp:426 free_cma:0 [ 1619.049050] Node 0 active_anon:448432kB inactive_anon:5297936kB active_file:72kB inactive_file:588kB unevictable:74524kB isolated(anon):48kB isolated(file):128kB mapped:234784kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1619.171870] DMA32 free:18892kB min:4684kB low:7692kB high:10700kB active_anon:30296kB inactive_anon:2797340kB active_file:248kB inactive_file:1036kB unevictable:31740kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31492kB kernel_stack:13856kB pagetables:36016kB bounce:0kB free_pcp:664kB local_pcp:664kB free_cma:0kB [ 1619.407323] lowmem_reserve[]: 0 3505 3505 [ 1619.417125] Normal free:5168kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500704kB active_file:296kB inactive_file:488kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53856kB bounce:0kB free_pcp:692kB local_pcp:692kB free_cma:0kB [ 1619.481008] lowmem_reserve[]: 0 0 0 [ 1619.485480] DMA32: 121*4kB (UH) 553*8kB (UH) 843*16kB (UH) 15*32kB (UH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19132kB [ 1619.506192] Normal: 843*4kB (UMH) 171*8kB (UMEH) 44*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5572kB [ 1619.526005] 10691 total pagecache pages [ 1619.627555] 0 pages in swap cache [ 1619.712188] Swap cache stats: add 0, delete 0, find 0/0 [ 1619.729077] Free swap = 0kB [ 1619.747901] Total swap = 0kB [ 1619.771049] 1965979 pages RAM [ 1619.779963] 0 pages HighMem/MovableOnly [ 1619.790349] 315641 pages reserved [ 1619.798910] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 1619.816016] [ 190] 0 190 5385 186 14 3 0 -1000 udevd [ 1619.835140] [ 1484] 0 1484 2493 574 9 3 0 0 dhclient [ 1619.854332] [ 1625] 0 1625 30758 516 24 3 0 0 rsyslogd [ 1619.874397] [ 1679] 0 1679 4725 52 15 3 0 0 cron [ 1619.893221] [ 1687] 0 1687 3735 55 11 3 0 0 mcstransd [ 1619.913554] [ 1702] 0 1702 12927 1232 26 3 0 0 restorecond [ 1619.932189] [ 1724] 0 1724 12490 153 28 3 0 -1000 sshd [ 1619.959699] [ 1756] 0 1756 3649 38 13 3 0 0 getty [ 1620.030223] [ 1772] 0 1772 17821 212 40 3 0 0 sshd [ 1620.088932] [ 1774] 0 1774 128697 77996 213 5 0 0 syz-fuzzer [ 1620.121585] [ 1837] 0 1837 17553 16 22 3 0 0 syz-executor0 [ 1620.140685] [ 1838] 0 1838 17553 17 23 3 0 0 syz-executor2 [ 1620.158620] [ 1839] 0 1839 17553 16 22 3 0 0 syz-executor4 [ 1620.182459] [ 1840] 0 1840 17553 15 22 3 0 0 syz-executor1 [ 1620.202064] [ 1841] 0 1841 17553 16 22 3 0 0 syz-executor3 [ 1620.222764] [ 1842] 0 1842 17552 8221 24 4 0 0 syz-executor0 [ 1620.241569] [ 1843] 0 1843 17553 16 22 3 0 0 syz-executor5 [ 1620.262329] [ 1844] 0 1844 17552 8331 24 4 0 0 syz-executor2 [ 1620.279677] [ 1845] 0 1845 17552 8348 23 4 0 0 syz-executor4 [ 1620.296998] [ 1846] 0 1846 17552 8355 23 4 0 0 syz-executor1 [ 1620.317879] [ 1847] 0 1847 17552 8309 23 4 0 0 syz-executor5 [ 1620.336378] [ 1848] 0 1848 17552 8334 23 4 0 0 syz-executor3 [ 1620.354856] [ 4578] 0 4578 17585 8197 24 3 0 1000 syz-executor5 [ 1620.384865] [ 4582] 0 4582 17618 8200 25 3 0 1000 syz-executor5 [ 1620.398091] [ 4597] 0 4597 17585 8227 25 4 0 1000 syz-executor1 [ 1620.422234] [ 4678] 0 4678 17585 8200 25 3 0 1000 syz-executor4 [ 1620.441897] [ 4815] 0 4815 17585 8202 26 3 0 1000 syz-executor2 [ 1620.453387] [ 4819] 0 4819 17651 8206 26 3 0 1000 syz-executor2 [ 1620.473904] [ 4834] 0 4834 17585 8202 26 3 0 1000 syz-executor2 [ 1620.493776] [ 4955] 0 4955 17618 8235 26 4 0 1000 syz-executor2 [ 1620.513877] [ 4985] 0 4985 17585 8233 26 4 0 1000 syz-executor2 [ 1620.533581] [ 5018] 0 5018 17585 8230 25 4 0 1000 syz-executor5 [ 1620.544457] [ 5035] 0 5035 17618 8234 25 4 0 1000 syz-executor3 [ 1620.570076] [ 5112] 0 5112 17618 8232 25 4 0 1000 syz-executor5 [ 1620.583257] [ 5131] 0 5131 17684 8201 23 3 0 1000 syz-executor0 [ 1620.604726] [ 5177] 0 5177 17618 12677 31 3 0 1000 syz-executor4 [ 1620.618536] [ 5311] 0 5311 17684 8201 23 3 0 1000 syz-executor0 [ 1620.638237] [ 5324] 0 5324 17618 12677 31 3 0 1000 syz-executor4 [ 1620.658449] [ 5534] 0 5534 17717 10261 29 4 0 1000 syz-executor0 [ 1620.670305] [ 5645] 0 5645 17585 8188 23 3 0 1000 syz-executor5 [ 1620.680090] [ 5694] 0 5694 17639 8234 25 4 0 1000 syz-executor3 [ 1620.710838] [ 5719] 0 5719 17585 8235 26 4 0 1000 syz-executor3 [ 1620.725847] [ 5803] 0 5803 17651 8237 26 4 0 1000 syz-executor2 [ 1620.748095] [ 5891] 0 5891 17585 8200 24 3 0 1000 syz-executor3 [ 1620.763748] [ 5893] 0 5893 17618 8199 24 3 0 1000 syz-executor5 [ 1620.784626] [ 5910] 0 5910 17651 8205 25 3 0 1000 syz-executor3 [ 1620.804321] [ 5920] 0 5920 17684 8204 24 3 0 1000 syz-executor5 [ 1620.824550] [ 5928] 0 5928 17585 8200 24 3 0 1000 syz-executor3 [ 1620.844936] [ 5965] 0 5965 17618 8234 26 4 0 1000 syz-executor2 [ 1620.870107] [ 6015] 0 6015 17618 8232 25 4 0 1000 syz-executor1 [ 1620.879964] [ 6062] 0 6062 17585 8199 24 3 0 1000 syz-executor1 [ 1620.903655] [ 6063] 0 6063 17651 8235 25 4 0 1000 syz-executor1 [ 1620.926613] [ 6066] 0 6066 17618 8201 24 3 0 1000 syz-executor1 [ 1620.950141] [ 6117] 0 6117 17651 8234 25 4 0 1000 syz-executor1 [ 1620.973773] [ 6151] 0 6151 17618 8231 25 4 0 1000 syz-executor4 [ 1621.002197] [ 6226] 0 6226 17618 8200 25 3 0 1000 syz-executor4 [ 1621.153408] [ 6245] 0 6245 17651 8202 31 3 0 1000 syz-executor4 [ 1621.225223] [ 6304] 0 6304 17618 12677 31 3 0 1000 syz-executor4 [ 1621.269897] [ 6335] 0 6335 17647 12736 31 3 0 1000 syz-executor4 [ 1621.289506] [ 6421] 0 6421 17585 8200 25 3 0 1000 syz-executor2 [ 1621.397277] [ 6434] 0 6434 17684 12329 33 4 0 1000 syz-executor2 [ 1621.440470] [ 6472] 0 6472 17684 12329 33 4 0 1000 syz-executor2 [ 1621.485860] [ 6534] 0 6534 17585 8230 25 4 0 1000 syz-executor5 [ 1621.501320] [ 6563] 0 6563 17585 8230 25 4 0 1000 syz-executor5 [ 1621.527231] [ 6606] 0 6606 17585 8230 25 4 0 1000 syz-executor5 [ 1621.537163] [ 6717] 0 6717 17618 8201 24 3 0 1000 syz-executor3 [ 1621.565551] [ 6741] 0 6741 17651 8203 24 3 0 1000 syz-executor3 [ 1621.575110] [ 6767] 0 6767 17618 8232 25 4 0 1000 syz-executor3 [ 1621.584665] [ 6817] 0 6817 17684 8238 33 4 0 1000 syz-executor2 [ 1621.618645] [ 6820] 0 6820 17618 8233 26 4 0 1000 syz-executor4 [ 1621.638437] [ 6914] 0 6914 17651 8234 25 4 0 1000 syz-executor4 [ 1621.660520] [ 7271] 0 7271 17652 8235 25 4 0 1000 syz-executor4 [ 1621.669989] [ 7620] 0 7620 17618 8233 25 4 0 1000 syz-executor3 [ 1621.694605] [ 7716] 0 7716 17585 8232 28 4 0 1000 syz-executor0 [ 1621.714266] [ 7728] 0 7728 17684 8237 25 4 0 1000 syz-executor5 [ 1621.734469] [ 7792] 0 7792 17585 8197 24 3 0 1000 syz-executor5 [ 1621.754198] [ 7832] 0 7832 17684 8204 31 3 0 1000 syz-executor5 [ 1621.773911] [ 7976] 0 7976 17651 8236 26 4 0 1000 syz-executor3 [ 1621.784030] [ 7991] 0 7991 17585 8229 26 4 0 1000 syz-executor0 [ 1621.807803] [ 8047] 0 8047 17585 8199 24 3 0 1000 syz-executor3 [ 1621.832882] [ 8052] 0 8052 17585 8198 24 3 0 1000 syz-executor5 [ 1621.843679] [ 8056] 0 8056 17651 8204 25 3 0 1000 syz-executor3 [ 1621.854217] [ 8078] 0 8078 17618 8201 24 3 0 1000 syz-executor3 [ 1621.880790] [ 8101] 0 8101 17585 8199 24 3 0 1000 syz-executor4 [ 1621.900599] [ 8119] 0 8119 17651 8203 24 3 0 1000 syz-executor4 [ 1621.910681] [ 8130] 0 8130 17684 8221 26 4 0 1000 syz-executor3 [ 1621.929748] [ 8144] 0 8144 17585 8235 26 4 0 1000 syz-executor4 [ 1621.943715] [ 8192] 0 8192 17684 8221 26 4 0 1000 syz-executor3 [ 1621.980411] [ 8270] 0 8270 17582 8202 26 3 0 1000 syz-executor2 [ 1622.001575] [ 8332] 0 8332 17618 8232 25 4 0 1000 syz-executor5 [ 1622.021417] [ 8412] 0 8412 17651 8235 25 4 0 1000 syz-executor3 [ 1622.037166] [ 8481] 0 8481 17651 8238 26 4 0 1000 syz-executor2 [ 1622.053831] [ 8522] 0 8522 17651 8235 26 4 0 1000 syz-executor2 [ 1622.075681] [ 8827] 0 8827 17618 8234 26 4 0 1000 syz-executor2 [ 1622.147241] [ 9064] 0 9064 17618 8230 25 4 0 1000 syz-executor5 [ 1622.296625] [ 9081] 0 9081 17618 12677 31 3 0 1000 syz-executor4 [ 1622.439450] [ 9134] 0 9134 17647 12735 31 3 0 1000 syz-executor4 [ 1622.482796] [ 9176] 0 9176 17651 8234 25 4 0 1000 syz-executor5 [ 1622.497133] [ 9395] 0 9395 17618 8234 26 4 0 1000 syz-executor2 [ 1622.517671] [ 9571] 0 9571 17651 8234 32 4 0 1000 syz-executor4 [ 1622.549659] [ 9663] 0 9663 17585 8230 25 4 0 1000 syz-executor4 [ 1622.569861] [ 9729] 0 9729 17618 8231 25 4 0 1000 syz-executor5 [ 1622.590478] [10025] 0 10025 17618 8232 25 4 0 1000 syz-executor3 [ 1622.599946] [10028] 0 10028 17855 8253 27 4 0 1000 syz-executor1 [ 1622.627660] [10038] 0 10038 17855 8253 27 4 0 1000 syz-executor1 [ 1622.637708] [10108] 0 10108 17855 8253 27 4 0 1000 syz-executor1 [ 1622.651464] [10238] 0 10238 17618 8236 26 4 0 1000 syz-executor5 [ 1622.676392] [10347] 0 10347 17618 12677 31 3 0 1000 syz-executor1 [ 1622.695386] [10425] 0 10425 17680 12738 31 3 0 1000 syz-executor1 [ 1622.715182] [10432] 0 10432 17618 8230 24 4 0 1000 syz-executor5 [ 1622.734016] [10482] 0 10482 17585 8189 23 3 0 1000 syz-executor4 [ 1622.753739] [10495] 0 10495 17585 8199 24 3 0 1000 syz-executor4 [ 1622.773626] [10565] 0 10565 17585 8235 26 4 0 1000 syz-executor3 [ 1622.785951] [10711] 0 10711 17618 8232 26 4 0 1000 syz-executor1 [ 1622.815725] [10840] 0 10840 17585 8198 24 3 0 1000 syz-executor1 [ 1622.829719] [10847] 0 10847 17618 8200 24 3 0 1000 syz-executor1 [ 1622.853398] [10863] 0 10863 17651 8237 26 4 0 1000 syz-executor1 [ 1622.863254] [11024] 0 11024 17651 8234 25 4 0 1000 syz-executor1 [ 1622.880083] [11112] 0 11112 17585 8199 24 3 0 1000 syz-executor3 [ 1622.905916] [11150] 0 11150 17651 8205 25 3 0 1000 syz-executor3 [ 1622.919507] [11152] 0 11152 17684 8239 27 4 0 1000 syz-executor3 [ 1622.945928] [11209] 0 11209 17618 12677 31 3 0 1000 syz-executor4 [ 1622.966134] [11388] 0 11388 17651 8234 25 4 0 0 syz-executor4 [ 1622.987833] [11610] 0 11610 17717 8240 33 4 0 1000 syz-executor2 [ 1623.001377] [12174] 0 12174 17585 8199 24 3 0 1000 syz-executor1 [ 1623.025974] [12175] 0 12175 17585 8234 25 4 0 0 syz-executor4 [ 1623.035570] [12178] 0 12178 17585 8233 27 4 0 1000 syz-executor1 [ 1623.058917] [12244] 0 12244 17585 8201 24 3 0 0 syz-executor4 [ 1623.079130] [12245] 0 12245 17618 8237 27 4 0 0 syz-executor4 [ 1623.093985] [12295] 0 12295 17585 8200 24 3 0 0 syz-executor4 [ 1623.113823] [12323] 0 12323 17717 8209 24 3 0 0 syz-executor4 [ 1623.137529] [12470] 0 12470 17618 8233 25 4 0 1000 syz-executor3 [ 1623.165838] [12595] 0 12595 17618 8235 26 4 0 1000 syz-executor2 [ 1623.291026] [12599] 0 12599 17618 8235 26 4 0 1000 syz-executor2 [ 1623.310070] [12677] 0 12677 17684 8241 25 4 0 0 syz-executor4 [ 1623.319536] [12790] 0 12790 17618 8237 25 4 0 0 syz-executor4 [ 1623.359969] [12796] 0 12796 17618 8237 25 4 0 0 syz-executor4 [ 1623.450969] [12978] 0 12978 17585 8231 24 4 0 0 syz-executor4 [ 1623.510519] [12993] 0 12993 17618 8235 25 4 0 0 syz-executor4 [ 1623.580701] [13041] 0 13041 17618 8235 25 4 0 0 syz-executor4 [ 1623.622219] [13084] 0 13084 17618 12677 31 3 0 0 syz-executor4 [ 1623.632665] [13100] 0 13100 17680 12738 31 3 0 0 syz-executor4 [ 1623.643577] [13357] 0 13357 17651 8240 25 4 0 1000 syz-executor1 [ 1623.761796] [13370] 0 13370 17618 8234 25 4 0 0 syz-executor4 [ 1623.777826] [13448] 0 13448 17585 8198 24 3 0 1000 syz-executor3 [ 1623.818109] [13452] 0 13452 17618 8202 25 3 0 1000 syz-executor3 [ 1623.946574] [13996] 0 13996 17585 8199 24 3 0 1000 syz-executor3 [ 1623.966824] [13998] 0 13998 17618 8201 24 3 0 1000 syz-executor3 [ 1623.999429] [14075] 0 14075 17618 8202 25 3 0 1000 syz-executor1 [ 1624.312316] [14208] 0 14208 17615 8234 26 4 0 1000 syz-executor1 [ 1624.429518] [14424] 0 14424 17618 8232 25 4 0 1000 syz-executor1 [ 1624.465005] [14526] 0 14526 17684 8242 25 4 0 0 syz-executor4 [ 1624.476000] [14677] 0 14677 17618 8232 25 4 0 1000 syz-executor1 [ 1624.488732] [14718] 0 14718 17585 8201 24 3 0 0 syz-executor4 [ 1624.529120] [14733] 0 14733 17651 8206 24 3 0 0 syz-executor4 [ 1624.539227] [14838] 0 14838 17651 8238 26 4 0 1000 syz-executor5 [ 1624.570079] [15340] 0 15340 17618 12703 31 3 0 0 syz-executor4 [ 1624.579614] [15358] 0 15358 17651 11199 29 3 0 0 syz-executor4 [ 1624.599943] [15477] 0 15477 17618 8203 24 3 0 1000 syz-executor5 [ 1624.614520] [16089] 0 16089 17585 8230 25 4 0 1000 syz-executor1 [ 1624.636013] [16186] 0 16186 17684 8222 26 4 0 1000 syz-executor2 [ 1624.650112] [16218] 0 16218 17684 8222 26 4 0 1000 syz-executor2 [ 1624.669764] [16349] 0 16349 17585 8231 25 4 0 1000 syz-executor5 [ 1624.690109] [16511] 0 16511 17585 8190 23 3 0 1000 syz-executor5 [ 1624.710107] [16541] 0 16541 17618 8235 25 4 0 1000 syz-executor1 [ 1624.719641] [16542] 0 16542 17684 8212 24 3 0 1000 syz-executor5 [ 1624.743872] [16550] 0 16550 17618 8235 25 4 0 1000 syz-executor1 [ 1624.767178] [16570] 0 16570 17585 8190 23 3 0 1000 syz-executor5 [ 1624.784632] [16602] 0 16602 17585 8233 25 4 0 1000 syz-executor1 [ 1624.806585] [16645] 0 16645 17618 8234 26 4 0 1000 syz-executor2 [ 1624.816721] [16793] 0 16793 17618 8234 25 4 0 1000 syz-executor5 [ 1624.840079] [16831] 0 16831 17585 8198 24 3 0 1000 syz-executor1 [ 1624.859730] [16834] 0 16834 17618 8200 24 3 0 1000 syz-executor1 [ 1624.874880] [16901] 0 16901 17618 8232 25 4 0 1000 syz-executor1 [ 1624.893683] [16936] 0 16936 17618 12677 31 3 0 1000 syz-executor5 [ 1624.910480] [17014] 0 17014 17618 12677 31 3 0 1000 syz-executor5 [ 1624.923040] [17077] 0 17077 17618 12677 31 3 0 1000 syz-executor5 [ 1624.952834] [17108] 0 17108 17684 8242 25 4 0 0 syz-executor4 [ 1624.964607] [17147] 0 17147 17618 12677 31 3 0 1000 syz-executor5 [ 1624.987861] [17190] 0 17190 17618 12677 31 3 0 1000 syz-executor5 [ 1624.998485] [17247] 0 17247 17618 12677 31 3 0 1000 syz-executor5 [ 1625.021071] [17322] 0 17322 17618 12677 31 3 0 1000 syz-executor5 [ 1625.047981] [17380] 0 17380 17618 12677 31 3 0 1000 syz-executor5 [ 1625.057595] [17438] 0 17438 17618 12677 31 3 0 1000 syz-executor5 [ 1625.088343] [17530] 0 17530 17651 8236 25 4 0 1000 syz-executor1 [ 1625.097929] [17551] 0 17551 17618 12677 31 3 0 1000 syz-executor5 [ 1625.113258] [17556] 0 17556 17618 8234 26 4 0 1000 syz-executor2 [ 1625.137204] [17633] 0 17633 17618 12677 31 3 0 1000 syz-executor5 [ 1625.155332] [17722] 0 17722 17618 12677 31 3 0 1000 syz-executor5 [ 1625.284526] [17774] 0 17774 17618 12677 31 3 0 1000 syz-executor5 [ 1625.315758] [17805] 0 17805 17585 8201 26 3 0 1000 syz-executor2 [ 1625.329447] [17809] 0 17809 17618 8203 26 3 0 1000 syz-executor2 [ 1625.359251] [17904] 0 17904 17618 12677 31 3 0 1000 syz-executor5 [ 1625.564110] [17944] 0 17944 17618 12677 31 3 0 1000 syz-executor5 [ 1625.616458] [18010] 0 18010 17585 8201 25 3 0 1000 syz-executor2 [ 1625.637298] [18019] 0 18019 17618 12677 31 3 0 1000 syz-executor5 [ 1625.661003] [18031] 0 18031 17651 8209 25 3 0 1000 syz-executor2 [ 1625.698267] [18104] 0 18104 17618 12677 31 3 0 1000 syz-executor5 [ 1625.870122] [18152] 0 18152 17618 12677 31 3 0 1000 syz-executor5 [ 1625.886735] [18159] 0 18159 17585 8216 25 3 0 0 syz-executor4 [ 1625.900066] [18253] 0 18253 17618 12677 31 3 0 1000 syz-executor5 [ 1625.919708] [18309] 0 18309 17618 12677 31 3 0 1000 syz-executor5 [ 1625.935941] [18374] 0 18374 17618 12677 31 3 0 1000 syz-executor5 [ 1625.960468] [18418] 0 18418 17618 12677 31 3 0 1000 syz-executor5 [ 1625.984397] [18427] 0 18427 17618 8234 25 4 0 0 syz-executor4 [ 1625.994036] [18465] 0 18465 17651 8234 25 4 0 1000 syz-executor1 [ 1626.019560] [18536] 0 18536 17618 12677 31 3 0 1000 syz-executor5 [ 1626.033710] [18589] 0 18589 17618 12677 31 3 0 1000 syz-executor5 [ 1626.053392] [18635] 0 18635 17651 8236 26 4 0 1000 syz-executor2 [ 1626.074940] [18651] 0 18651 17618 12677 31 3 0 1000 syz-executor5 [ 1626.093681] [18736] 0 18736 17651 8220 26 4 0 1000 syz-executor2 [ 1626.113414] [18738] 0 18738 17618 12677 31 3 0 1000 syz-executor5 [ 1626.166472] [18753] 0 18753 17651 8220 26 4 0 1000 syz-executor2 [ 1626.279307] [18796] 0 18796 17618 12677 31 3 0 1000 syz-executor5 [ 1626.314752] [18825] 0 18825 17618 12677 31 3 0 1000 syz-executor5 [ 1626.337453] [18875] 0 18875 17618 12677 31 3 0 1000 syz-executor5 [ 1626.441963] [18952] 0 18952 17618 12677 31 3 0 1000 syz-executor5 [ 1626.461347] [19015] 0 19015 17618 12677 31 3 0 1000 syz-executor5 [ 1626.683997] [19063] 0 19063 17618 12677 31 3 0 1000 syz-executor5 [ 1626.702972] [19132] 0 19132 17618 12677 31 3 0 1000 syz-executor5 [ 1626.723588] [19167] 0 19167 17618 12677 31 3 0 1000 syz-executor5 [ 1626.744099] [19219] 0 19219 17618 12677 31 3 0 1000 syz-executor5 [ 1626.941877] [19369] 0 19369 17585 8201 25 3 0 1000 syz-executor5 [ 1626.966985] [19438] 0 19438 17651 8204 26 3 0 1000 syz-executor0 [ 1627.077275] [19444] 0 19444 17684 8208 26 3 0 1000 syz-executor0 [ 1627.105897] [19475] 0 19475 17651 8237 25 4 0 0 syz-executor4 [ 1627.144738] [19489] 0 19489 17618 12677 31 3 0 1000 syz-executor5 [ 1627.167411] [19649] 0 19649 17618 12677 31 3 0 1000 syz-executor5 [ 1627.177532] [19676] 0 19676 17651 8243 27 4 0 1000 syz-executor2 [ 1627.212976] [19705] 0 19705 17618 12677 31 3 0 1000 syz-executor5 [ 1627.411775] [19751] 0 19751 17618 12677 31 3 0 1000 syz-executor5 [ 1627.450432] [19825] 0 19825 17618 12677 31 3 0 1000 syz-executor5 [ 1627.465021] [19886] 0 19886 17618 12677 31 3 0 1000 syz-executor5 [ 1627.479974] [19944] 0 19944 17618 12677 31 3 0 1000 syz-executor5 [ 1627.687064] [20017] 0 20017 17618 12677 31 3 0 1000 syz-executor5 [ 1627.720430] [20065] 0 20065 17618 12677 31 3 0 1000 syz-executor5 [ 1627.747743] [20096] 0 20096 17618 12677 32 3 0 1000 syz-executor2 [ 1627.757346] [20103] 0 20103 17618 12677 31 3 0 1000 syz-executor5 [ 1627.880116] [20125] 0 20125 17750 8240 26 4 0 1000 syz-executor0 [ 1627.922598] [20182] 0 20182 17618 12677 31 3 0 1000 syz-executor5 [ 1627.935436] [20190] 0 20190 17651 8235 26 4 0 1000 syz-executor0 [ 1628.134777] [20262] 0 20262 17618 12677 31 3 0 1000 syz-executor5 [ 1628.160115] [20304] 0 20304 17651 8240 26 4 0 0 syz-executor4 [ 1628.169595] [20314] 0 20314 17651 8236 26 4 0 1000 syz-executor2 [ 1628.200107] [20341] 0 20341 17618 12677 31 3 0 1000 syz-executor5 [ 1628.209582] [20364] 0 20364 17684 8238 26 4 0 1000 syz-executor2 [ 1628.277070] warn_alloc: 4972 callbacks suppressed [ 1628.277075] modprobe: [ 1628.285536] modprobe: page allocation stalls for 10010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.302763] syz-executor2: page allocation stalls for 10030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.316977] modprobe: page allocation stalls for 10020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.328180] init: page allocation stalls for 10170ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.339120] kworker/u4:11: page allocation stalls for 10020ms, order:1, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1628.352760] modprobe: page allocation stalls for 10030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.363944] kworker/u4:9: page allocation stalls for 10110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.375503] modprobe: page allocation stalls for 10010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.388437] modprobe: page allocation stalls for 10220ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.490125] page allocation stalls for 10020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1628.512867] [20390] 0 20390 17618 12677 31 3 0 1000 syz-executor5 [ 1628.541600] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1628.547496] Call Trace: [ 1628.550090] dump_stack+0xb9/0x11b [ 1628.553642] warn_alloc.cold.35+0x9d/0x1b7 [ 1628.557883] ? zone_watermark_ok_safe+0x240/0x240 [ 1628.562736] ? usleep_range+0x130/0x130 [ 1628.566760] __alloc_pages_nodemask+0x1425/0x2280 [ 1628.571628] ? __kernel_text_address+0x9/0x30 [ 1628.576132] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1628.580996] ? __lock_acquire+0x619/0x4320 [ 1628.585246] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1628.589754] ? kmemdup+0x20/0x50 [ 1628.593122] ? selinux_cred_prepare+0x3e/0x90 [ 1628.597647] ? new_slab+0x358/0x470 [ 1628.601288] new_slab+0x3c0/0x470 [ 1628.604760] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1628.609789] ? getname_flags+0xc4/0x540 [ 1628.613780] ? fs_reclaim_acquire+0x10/0x10 [ 1628.618117] ? check_preemption_disabled+0x34/0x1e0 [ 1628.623139] ? getname_flags+0xc4/0x540 [ 1628.627124] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1628.632589] ? getname_flags+0xc4/0x540 [ 1628.636566] kmem_cache_alloc+0x19e/0x2b0 [ 1628.640724] getname_flags+0xc4/0x540 [ 1628.644546] user_path_at_empty+0x28/0x80 [ 1628.648704] SyS_faccessat+0x20d/0x660 [ 1628.652603] ? SyS_fallocate+0x80/0x80 [ 1628.656502] ? do_syscall_64+0x43/0x4b0 [ 1628.660480] ? SyS_faccessat+0x660/0x660 [ 1628.664552] do_syscall_64+0x19b/0x4b0 [ 1628.668462] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1628.673713] RIP: 0033:0x7f413a3c43c7 [ 1628.677716] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1628.685430] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1628.692701] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1628.699969] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1628.707238] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1628.714515] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1628.830423] CPU: 1 PID: 9334 Comm: modprobe Not tainted 4.14.87+ #21 [ 1628.836949] Call Trace: [ 1628.839549] dump_stack+0xb9/0x11b [ 1628.843108] warn_alloc.cold.35+0x9d/0x1b7 [ 1628.847354] ? zone_watermark_ok_safe+0x240/0x240 [ 1628.852225] ? usleep_range+0x130/0x130 [ 1628.856250] __alloc_pages_nodemask+0x1425/0x2280 [ 1628.861128] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1628.865998] ? __lock_acquire+0x619/0x4320 [ 1628.870235] ? __lock_acquire+0x619/0x4320 [ 1628.874485] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1628.879610] ? perf_trace_lock+0x11a/0x4c0 [ 1628.883849] ? new_slab+0x358/0x470 [ 1628.887491] new_slab+0x3c0/0x470 [ 1628.890962] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1628.895987] ? perf_event_mmap+0x447/0xc30 [ 1628.900240] ? fs_reclaim_acquire+0x10/0x10 [ 1628.904577] ? check_preemption_disabled+0x34/0x1e0 [ 1628.909600] ? perf_event_mmap+0x447/0xc30 [ 1628.913843] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1628.919301] kmem_cache_alloc_trace+0x1c6/0x300 [ 1628.923971] ? perf_event_mmap+0x447/0xc30 [ 1628.928215] perf_event_mmap+0x447/0xc30 [ 1628.932293] ? perf_event_namespaces+0x30/0x30 [ 1628.936905] ? prot_none_test+0x10/0x10 [ 1628.940880] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1628.945048] mprotect_fixup+0x3b2/0x800 [ 1628.949039] ? change_protection+0x50/0x50 [ 1628.953291] ? file_map_prot_check+0x193/0x2c0 [ 1628.957887] ? selinux_file_mprotect+0xf6/0x5c0 [ 1628.962559] ? SyS_mprotect+0x16f/0x610 [ 1628.966556] SyS_mprotect+0x30a/0x610 [ 1628.970385] ? mprotect_fixup+0x800/0x800 [ 1628.974546] ? do_syscall_64+0x43/0x4b0 [ 1628.978527] ? mprotect_fixup+0x800/0x800 [ 1628.982739] do_syscall_64+0x19b/0x4b0 [ 1628.986648] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1628.991842] RIP: 0033:0x7fbdfdf45447 [ 1628.995642] RSP: 002b:00007ffda38dca18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1629.003352] RAX: ffffffffffffffda RBX: 00007fbdfe14d9a8 RCX: 00007fbdfdf45447 [ 1629.010643] RDX: 0000000000000001 RSI: 0000000000004000 RDI: 00007fbdfdd0f000 [ 1629.017915] RBP: 00007ffda38dcb10 R08: 000000000000003f R09: 0000000000000001 [ 1629.025191] R10: 00007fbdfd9aaaf0 R11: 0000000000000206 R12: 00007fbdfd98c000 [ 1629.032465] R13: 00007fbdfdd13020 R14: 00007fbdfd9aaaf0 R15: 00007fbdfdd13d98 [ 1629.064310] [20470] 0 20470 17618 12677 31 3 0 1000 syz-executor5 [ 1629.074407] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1629.080909] Call Trace: [ 1629.083506] dump_stack+0xb9/0x11b [ 1629.087061] warn_alloc.cold.35+0x9d/0x1b7 [ 1629.091306] ? zone_watermark_ok_safe+0x240/0x240 [ 1629.096165] ? usleep_range+0x130/0x130 [ 1629.100196] __alloc_pages_nodemask+0x1425/0x2280 [ 1629.105077] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1629.109939] ? __lock_acquire+0x619/0x4320 [ 1629.114184] ? check_preemption_disabled+0x34/0x1e0 [ 1629.119239] ? new_slab+0x358/0x470 [ 1629.122880] new_slab+0x3c0/0x470 [ 1629.126354] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1629.131411] ? getname_flags+0xc4/0x540 [ 1629.135418] ? fs_reclaim_acquire+0x10/0x10 [ 1629.139754] ? check_preemption_disabled+0x34/0x1e0 [ 1629.144781] ? getname_flags+0xc4/0x540 [ 1629.148762] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1629.154221] ? getname_flags+0xc4/0x540 [ 1629.158197] kmem_cache_alloc+0x19e/0x2b0 [ 1629.162376] getname_flags+0xc4/0x540 [ 1629.166194] user_path_at_empty+0x28/0x80 [ 1629.170351] vfs_statx+0xe1/0x180 [ 1629.173873] ? vfs_statx_fd+0x90/0x90 [ 1629.177681] ? mntput_no_expire+0xca/0x830 [ 1629.181941] SyS_newstat+0x81/0xf0 [ 1629.185487] ? SyS_fstat+0xe0/0xe0 [ 1629.189037] ? _raw_spin_unlock_irq+0x24/0x50 [ 1629.193544] ? trace_hardirqs_on_caller+0x381/0x520 [ 1629.198565] ? _raw_spin_unlock_irq+0x35/0x50 [ 1629.203061] ? task_work_run+0xec/0x190 [ 1629.207049] ? do_syscall_64+0x43/0x4b0 [ 1629.211042] ? SyS_fstat+0xe0/0xe0 [ 1629.214590] do_syscall_64+0x19b/0x4b0 [ 1629.218492] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1629.223683] RIP: 0033:0x7ff6b2c93c65 [ 1629.227403] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1629.235115] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1629.242408] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1629.249691] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1629.256964] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1629.264237] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1629.272730] CPU: 1 PID: 9328 Comm: modprobe Not tainted 4.14.87+ #21 [ 1629.279233] Call Trace: [ 1629.281831] dump_stack+0xb9/0x11b [ 1629.285403] warn_alloc.cold.35+0x9d/0x1b7 [ 1629.289646] ? zone_watermark_ok_safe+0x240/0x240 [ 1629.294495] ? usleep_range+0x130/0x130 [ 1629.298525] __alloc_pages_nodemask+0x1425/0x2280 [ 1629.303411] ? reacquire_held_locks+0xb5/0x3e0 [ 1629.308005] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1629.312853] ? check_preemption_disabled+0x34/0x1e0 [ 1629.317878] ? lock_downgrade+0x560/0x560 [ 1629.322092] ? __lock_acquire+0x619/0x4320 [ 1629.326331] ? perf_trace_lock+0x11a/0x4c0 [ 1629.330587] ? filemap_map_pages+0x652/0xc50 [ 1629.335008] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1629.339962] ? new_slab+0x358/0x470 [ 1629.343602] new_slab+0x3c0/0x470 [ 1629.347073] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1629.352099] ? getname_flags+0xc4/0x540 [ 1629.356098] ? fs_reclaim_acquire+0x10/0x10 [ 1629.360434] ? check_preemption_disabled+0x34/0x1e0 [ 1629.365457] ? getname_flags+0xc4/0x540 [ 1629.369439] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1629.374898] ? getname_flags+0xc4/0x540 [ 1629.378878] kmem_cache_alloc+0x19e/0x2b0 [ 1629.383035] getname_flags+0xc4/0x540 [ 1629.386852] do_sys_open+0x1ea/0x580 [ 1629.390580] ? filp_open+0x60/0x60 [ 1629.394134] ? up_read+0x17/0x30 [ 1629.397513] ? __do_page_fault+0x64c/0xb60 [ 1629.401761] ? do_syscall_64+0x43/0x4b0 [ 1629.405742] ? do_sys_open+0x580/0x580 [ 1629.409642] do_syscall_64+0x19b/0x4b0 [ 1629.413552] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1629.418750] RIP: 0033:0x7fcfa16e41a7 [ 1629.422470] RSP: 002b:00007ffe8fd68848 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1629.430184] RAX: ffffffffffffffda RBX: 00007fcfa18ef1c8 RCX: 00007fcfa16e41a7 [ 1629.437454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fcfa18ea01d [ 1629.444726] RBP: 00007ffe8fd688c0 R08: 00007ffe8fd68cbf R09: 0000000000000000 [ 1629.451995] R10: 00007fcfa18ea01d R11: 0000000000000246 R12: 0000000000000008 [ 1629.459270] R13: 00007fcfa18ee040 R14: 0000000000000000 R15: 00007ffe8fd68cbf [ 1629.470065] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1629.477003] Call Trace: [ 1629.479596] dump_stack+0xb9/0x11b [ 1629.483150] warn_alloc.cold.35+0x9d/0x1b7 [ 1629.487410] ? zone_watermark_ok_safe+0x240/0x240 [ 1629.492258] ? usleep_range+0x130/0x130 [ 1629.496282] __alloc_pages_nodemask+0x1425/0x2280 [ 1629.501152] ? debug_check_no_obj_freed+0x150/0x77c [ 1629.506193] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1629.511039] ? __lock_acquire+0x619/0x4320 [ 1629.515284] ? __lock_acquire+0x619/0x4320 [ 1629.519521] ? lock_acquire+0x10f/0x380 [ 1629.523501] ? avc_has_perm+0x9e/0x390 [ 1629.527447] ? new_slab+0x358/0x470 [ 1629.531086] new_slab+0x3c0/0x470 [ 1629.534557] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1629.539575] ? __might_fault+0x104/0x1b0 [ 1629.543638] ? getname_flags+0xc4/0x540 [ 1629.547631] ? fs_reclaim_acquire+0x10/0x10 [ 1629.551966] ? check_preemption_disabled+0x34/0x1e0 [ 1629.556988] ? getname_flags+0xc4/0x540 [ 1629.560970] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1629.566432] ? getname_flags+0xc4/0x540 [ 1629.570429] kmem_cache_alloc+0x19e/0x2b0 [ 1629.574590] getname_flags+0xc4/0x540 [ 1629.578415] ? SyS_unlinkat+0x70/0x70 [ 1629.582223] do_unlinkat+0xc9/0x650 [ 1629.585860] ? do_rmdir+0x3a0/0x3a0 [ 1629.589502] ? SyS_newlstat+0x92/0xf0 [ 1629.593327] ? SyS_newstat+0xf0/0xf0 [ 1629.597088] ? do_syscall_64+0x43/0x4b0 [ 1629.601068] ? SyS_unlinkat+0x70/0x70 [ 1629.604877] do_syscall_64+0x19b/0x4b0 [ 1629.608781] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1629.613974] RIP: 0033:0x4573c7 [ 1629.617169] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1629.624895] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1629.632168] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1629.639439] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1629.646710] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1629.653978] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1629.665149] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1629.672012] Call Trace: [ 1629.674605] dump_stack+0xb9/0x11b [ 1629.678164] warn_alloc.cold.35+0x9d/0x1b7 [ 1629.682409] ? zone_watermark_ok_safe+0x240/0x240 [ 1629.687257] ? usleep_range+0x130/0x130 [ 1629.691282] __alloc_pages_nodemask+0x1425/0x2280 [ 1629.696161] ? perf_trace_lock+0x11a/0x4c0 [ 1629.700416] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1629.705264] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1629.711075] ? __lock_acquire+0x619/0x4320 [ 1629.715350] ? perf_trace_lock+0x11a/0x4c0 [ 1629.719614] ? new_slab+0x358/0x470 [ 1629.723252] new_slab+0x3c0/0x470 [ 1629.726720] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1629.731740] ? debug_object_deactivate+0x340/0x340 [ 1629.736674] ? getname_kernel+0x4e/0x340 [ 1629.740754] ? fs_reclaim_acquire+0x10/0x10 [ 1629.745087] ? check_preemption_disabled+0x34/0x1e0 [ 1629.750111] ? getname_kernel+0x4e/0x340 [ 1629.754181] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1629.759639] ? getname_kernel+0x4e/0x340 [ 1629.763704] kmem_cache_alloc+0x19e/0x2b0 [ 1629.767868] getname_kernel+0x4e/0x340 [ 1629.771769] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1629.777134] ? umh_complete+0x80/0x80 [ 1629.780945] ret_from_fork+0x3a/0x50 [ 1629.810105] CPU: 1 PID: 9339 Comm: kworker/u4:11 Not tainted 4.14.87+ #21 [ 1629.817052] Call Trace: [ 1629.819644] dump_stack+0xb9/0x11b [ 1629.823283] warn_alloc.cold.35+0x9d/0x1b7 [ 1629.827529] ? zone_watermark_ok_safe+0x240/0x240 [ 1629.832443] __alloc_pages_nodemask+0x1425/0x2280 [ 1629.837315] ? call_usermodehelper_exec_async+0x289/0x4b0 [ 1629.842852] ? ret_from_fork+0x3a/0x50 [ 1629.846751] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1629.851612] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1629.856551] ? HARDIRQ_verbose+0x10/0x10 [ 1629.860658] __get_free_pages+0x13/0xa0 [ 1629.864637] pgd_alloc+0x1f/0x3a0 [ 1629.868101] mm_init+0x514/0x800 [ 1629.871482] mm_alloc+0xa1/0xc0 [ 1629.874770] do_execveat_common.isra.14+0xa71/0x1d60 [ 1629.879881] ? fs_reclaim_acquire+0x10/0x10 [ 1629.884224] ? prepare_bprm_creds+0x110/0x110 [ 1629.888734] ? rcu_read_lock_sched_held+0x102/0x120 [ 1629.893767] do_execve+0x2c/0x40 [ 1629.897144] call_usermodehelper_exec_async+0x289/0x4b0 [ 1629.902513] ? umh_complete+0x80/0x80 [ 1629.906322] ret_from_fork+0x3a/0x50 [ 1629.921007] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1629.927512] Call Trace: [ 1629.930108] dump_stack+0xb9/0x11b [ 1629.933662] warn_alloc.cold.35+0x9d/0x1b7 [ 1629.937905] ? zone_watermark_ok_safe+0x240/0x240 [ 1629.942753] ? usleep_range+0x130/0x130 [ 1629.946779] __alloc_pages_nodemask+0x1425/0x2280 [ 1629.951758] ? __kernel_text_address+0x9/0x30 [ 1629.956263] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1629.961128] ? __lock_acquire+0x619/0x4320 [ 1629.965408] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1629.969929] ? kmemdup+0x20/0x50 [ 1629.973319] ? selinux_cred_prepare+0x3e/0x90 [ 1629.977841] ? new_slab+0x358/0x470 [ 1629.981478] new_slab+0x3c0/0x470 [ 1629.984948] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1629.989973] ? getname_flags+0xc4/0x540 [ 1629.993963] ? fs_reclaim_acquire+0x10/0x10 [ 1629.998301] ? check_preemption_disabled+0x34/0x1e0 [ 1630.003325] ? getname_flags+0xc4/0x540 [ 1630.007304] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1630.012761] ? getname_flags+0xc4/0x540 [ 1630.016737] kmem_cache_alloc+0x19e/0x2b0 [ 1630.020897] getname_flags+0xc4/0x540 [ 1630.024712] user_path_at_empty+0x28/0x80 [ 1630.028876] SyS_faccessat+0x20d/0x660 [ 1630.032776] ? SyS_fallocate+0x80/0x80 [ 1630.036677] ? do_syscall_64+0x43/0x4b0 [ 1630.040655] ? SyS_faccessat+0x660/0x660 [ 1630.044725] do_syscall_64+0x19b/0x4b0 [ 1630.048630] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1630.053820] RIP: 0033:0x7fd4ad02d267 [ 1630.057535] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1630.065247] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1630.072524] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1630.079795] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1630.087065] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1630.094337] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1630.104486] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1630.110991] Call Trace: [ 1630.113583] dump_stack+0xb9/0x11b [ 1630.117133] warn_alloc.cold.35+0x9d/0x1b7 [ 1630.121399] ? zone_watermark_ok_safe+0x240/0x240 [ 1630.126253] ? usleep_range+0x130/0x130 [ 1630.130275] __alloc_pages_nodemask+0x1425/0x2280 [ 1630.135149] ? perf_trace_lock+0x11a/0x4c0 [ 1630.139410] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1630.144259] ? check_preemption_disabled+0x34/0x1e0 [ 1630.149287] ? __lock_acquire+0x619/0x4320 [ 1630.153565] ? new_slab+0x358/0x470 [ 1630.157204] new_slab+0x3c0/0x470 [ 1630.160674] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1630.165696] ? getname_flags+0xc4/0x540 [ 1630.169689] ? fs_reclaim_acquire+0x10/0x10 [ 1630.174033] ? check_preemption_disabled+0x34/0x1e0 [ 1630.179057] ? getname_flags+0xc4/0x540 [ 1630.183040] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1630.188497] ? getname_flags+0xc4/0x540 [ 1630.192476] kmem_cache_alloc+0x19e/0x2b0 [ 1630.196633] getname_flags+0xc4/0x540 [ 1630.200452] user_path_at_empty+0x28/0x80 [ 1630.204610] vfs_statx+0xe1/0x180 [ 1630.208075] ? vfs_statx_fd+0x90/0x90 [ 1630.211900] SyS_newstat+0x81/0xf0 [ 1630.215447] ? SyS_fstat+0xe0/0xe0 [ 1630.219002] ? up_read+0x17/0x30 [ 1630.222389] ? __do_page_fault+0x64c/0xb60 [ 1630.226638] ? do_syscall_64+0x43/0x4b0 [ 1630.230622] ? SyS_fstat+0xe0/0xe0 [ 1630.234173] do_syscall_64+0x19b/0x4b0 [ 1630.238078] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1630.243272] RIP: 0033:0x7faa2689cc65 [ 1630.246988] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1630.254702] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1630.261976] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1630.269249] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1630.276520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1630.283793] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1630.298071] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1630.304579] Call Trace: [ 1630.307178] dump_stack+0xb9/0x11b [ 1630.310730] warn_alloc.cold.35+0x9d/0x1b7 [ 1630.314975] ? zone_watermark_ok_safe+0x240/0x240 [ 1630.319830] ? usleep_range+0x130/0x130 [ 1630.323857] __alloc_pages_nodemask+0x1425/0x2280 [ 1630.328737] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1630.333595] ? __lock_acquire+0x619/0x4320 [ 1630.337836] ? __lock_acquire+0x619/0x4320 [ 1630.342086] ? __lock_acquire+0x619/0x4320 [ 1630.346350] ? new_slab+0x358/0x470 [ 1630.350005] new_slab+0x3c0/0x470 [ 1630.353477] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1630.358499] ? getname_flags+0xc4/0x540 [ 1630.362495] ? fs_reclaim_acquire+0x10/0x10 [ 1630.366830] ? check_preemption_disabled+0x34/0x1e0 [ 1630.371856] ? getname_flags+0xc4/0x540 [ 1630.375835] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1630.381294] ? getname_flags+0xc4/0x540 [ 1630.385274] kmem_cache_alloc+0x19e/0x2b0 [ 1630.389435] getname_flags+0xc4/0x540 [ 1630.393252] user_path_at_empty+0x28/0x80 [ 1630.397433] vfs_statx+0xe1/0x180 [ 1630.400908] ? vfs_statx_fd+0x90/0x90 [ 1630.404712] ? __might_fault+0x104/0x1b0 [ 1630.408780] ? lock_downgrade+0x560/0x560 [ 1630.412927] ? lock_acquire+0x10f/0x380 [ 1630.416903] ? __might_fault+0xd4/0x1b0 [ 1630.420893] SyS_newfstatat+0x89/0x100 [ 1630.424786] ? SyS_newlstat+0xf0/0xf0 [ 1630.428588] ? __might_fault+0x177/0x1b0 [ 1630.432657] ? SyS_getdents+0x1d0/0x270 [ 1630.436641] ? SyS_old_readdir+0x150/0x150 [ 1630.440883] ? compat_fillonedir+0x260/0x260 [ 1630.445307] ? do_syscall_64+0x43/0x4b0 [ 1630.449287] ? SyS_newlstat+0xf0/0xf0 [ 1630.453094] do_syscall_64+0x19b/0x4b0 [ 1630.456999] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1630.462194] RIP: 0033:0x7fe72a00be1a [ 1630.465905] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1630.473616] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1630.480886] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1630.488162] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1630.495451] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1630.502724] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1630.515755] [20471] 0 20471 17651 8234 26 4 0 1000 syz-executor0 [ 1630.544522] [20490] 0 20490 17585 8200 25 3 0 1000 syz-executor2 [ 1630.574381] [20515] 0 20515 17585 8201 25 3 0 1000 syz-executor5 [ 1630.592747] [20533] 0 20533 17618 8236 25 4 0 0 syz-executor4 [ 1630.622998] [20611] 0 20611 17618 12677 31 3 0 1000 syz-executor5 [ 1630.836691] [20663] 0 20663 17618 12677 31 3 0 1000 syz-executor5 [ 1630.880505] [20682] 0 20682 17618 8234 25 4 0 0 syz-executor4 [ 1630.917013] [20743] 0 20743 17618 12677 31 3 0 1000 syz-executor5 [ 1631.077421] [20795] 0 20795 17618 12677 31 3 0 1000 syz-executor5 [ 1631.161562] [20864] 0 20864 17618 12677 31 3 0 1000 syz-executor5 [ 1631.182833] [20906] 0 20906 17618 12677 31 3 0 1000 syz-executor5 [ 1631.198000] [20956] 0 20956 17618 8234 26 4 0 1000 syz-executor2 [ 1631.207716] ip6_tunnel: ip6tnl2 xmit: Local address not yet configured! [ 1631.230109] [20963] 0 20963 17618 12677 31 3 0 1000 syz-executor5 [ 1631.252552] [21053] 0 21053 17618 12677 31 3 0 1000 syz-executor5 [ 1631.263164] [21128] 0 21128 17618 12677 31 3 0 1000 syz-executor5 [ 1631.283815] [21195] 0 21195 17618 12677 31 3 0 1000 syz-executor5 [ 1631.304726] [21209] 0 21209 17585 8200 25 3 0 1000 syz-executor2 [ 1631.316107] [21226] 0 21226 17651 8235 26 4 0 1000 syz-executor0 [ 1631.339216] [21250] 0 21250 17618 12677 31 3 0 1000 syz-executor5 [ 1631.362384] [21284] 0 21284 17618 12677 31 3 0 1000 syz-executor5 [ 1631.380113] [21308] 0 21308 17618 8233 25 4 0 1000 syz-executor1 [ 1631.389655] [21314] 0 21314 17585 8231 25 4 0 1000 syz-executor1 [ 1631.417585] [21376] 0 21376 17585 8200 24 3 0 0 syz-executor4 [ 1631.432684] [21390] 0 21390 17618 12677 31 3 0 1000 syz-executor5 [ 1631.455346] [21426] 0 21426 17684 8206 24 3 0 0 syz-executor4 [ 1631.468752] warn_alloc_show_mem: 9 callbacks suppressed [ 1631.468756] Mem-Info: [ 1631.476686] [21427] 0 21427 17618 8237 27 4 0 1000 syz-executor2 [ 1631.493783] [21482] 0 21482 17816 8249 30 4 0 0 syz-executor4 [ 1631.510109] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1631.510109] active_file:93 inactive_file:83 isolated_file:22 [ 1631.510109] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1631.510109] slab_reclaimable:6488 slab_unreclaimable:68910 [ 1631.510109] mapped:58725 shmem:851 pagetables:22412 bounce:0 [ 1631.510109] free:6399 free_pcp:22 free_cma:0 [ 1631.551823] [21492] 0 21492 17684 8206 25 3 0 0 syz-executor4 [ 1631.564959] [21498] 0 21498 17618 12677 31 3 0 1000 syz-executor5 [ 1631.595749] [21587] 0 21587 17618 12677 31 3 0 1000 syz-executor5 [ 1631.605340] [21661] 3327 21661 17585 8202 25 3 0 0 syz-executor4 [ 1631.630072] [21664] 3327 21664 17618 8205 26 3 0 0 syz-executor4 [ 1631.639600] [21676] 0 21676 17618 12677 31 3 0 1000 syz-executor5 [ 1631.665555] [21697] 0 21697 17585 8235 27 4 0 1000 syz-executor2 [ 1631.677647] [21709] 0 21709 17618 8237 27 4 0 1000 syz-executor2 [ 1631.707473] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:372kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):88kB mapped:234900kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1631.732643] [21733] 0 21733 17618 12677 31 3 0 1000 syz-executor5 [ 1631.746497] [21750] 0 21750 17652 8236 25 4 0 0 syz-executor4 [ 1631.766250] [21777] 0 21777 17651 8241 26 4 0 0 syz-executor4 [ 1631.779548] [21794] 0 21794 17618 12677 31 3 0 1000 syz-executor5 [ 1631.803313] [21851] 0 21851 17651 12327 33 4 0 1000 syz-executor2 [ 1631.813878] [21867] 0 21867 17618 12677 31 3 0 1000 syz-executor5 [ 1631.838659] DMA32 free:19796kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:528kB inactive_file:308kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1631.869037] [21949] 0 21949 17618 12677 31 3 0 1000 syz-executor5 [ 1631.880106] [21956] 0 21956 17651 8237 26 4 0 1000 syz-executor2 [ 1631.905796] [22020] 0 22020 17618 12677 31 3 0 1000 syz-executor5 [ 1631.932855] [22117] 0 22117 17618 12677 31 3 0 1000 syz-executor5 [ 1631.952782] [22192] 0 22192 17618 12677 31 3 0 1000 syz-executor5 [ 1631.966703] [22210] 0 22210 17585 8198 25 3 0 1000 syz-executor0 [ 1631.982028] [22213] 0 22213 17651 8202 25 3 0 1000 syz-executor0 [ 1632.006972] [22234] 0 22234 17651 8233 25 4 0 1000 syz-executor3 [ 1632.021110] lowmem_reserve[]: 0 3505 3505 [ 1632.025516] Normal free:5288kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:0kB inactive_file:596kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:64kB local_pcp:64kB free_cma:0kB [ 1632.066778] [22253] 0 22253 17618 12677 31 3 0 1000 syz-executor5 [ 1632.108478] [22296] 0 22296 17684 8236 32 4 0 1000 syz-executor3 [ 1632.146092] [22326] 0 22326 17618 12677 31 3 0 1000 syz-executor5 [ 1632.205297] [22332] 0 22332 17618 12677 32 3 0 1000 syz-executor2 [ 1632.240536] [22333] 0 22333 17618 11141 30 3 0 1000 syz-executor2 [ 1632.269517] [22384] 0 22384 17618 12677 31 3 0 1000 syz-executor5 [ 1632.289276] [22431] 0 22431 17618 12677 32 3 0 1000 syz-executor2 [ 1632.358053] [22488] 0 22488 17717 8242 25 4 0 0 syz-executor4 [ 1632.379715] lowmem_reserve[]: 0 0 0 [ 1632.391115] [22495] 0 22495 17618 12677 31 3 0 1000 syz-executor5 [ 1632.404232] DMA32: 123*4kB (UMH) 360*8kB (UMH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19132kB [ 1632.438084] [22559] 0 22559 17618 12677 31 3 0 1000 syz-executor5 [ 1632.568171] [22603] 0 22603 17618 8204 25 3 0 1000 syz-executor2 [ 1632.600067] [22612] 0 22612 17618 12677 31 3 0 1000 syz-executor5 [ 1632.609558] [22617] 0 22617 17651 8206 25 3 0 1000 syz-executor2 [ 1632.622319] Normal: 110*4kB (UMH) 616*8kB (UMH) 54*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6360kB [ 1632.641762] [22681] 0 22681 17651 8218 25 4 0 1000 syz-executor1 [ 1632.659084] [22692] 0 22692 17618 12677 31 3 0 1000 syz-executor5 [ 1632.681264] 10518 total pagecache pages [ 1632.685241] 0 pages in swap cache [ 1632.688678] Swap cache stats: add 0, delete 0, find 0/0 [ 1632.694168] [22721] 0 22721 17651 8218 25 4 0 1000 syz-executor1 [ 1632.708959] [22738] 0 22738 17618 12677 31 3 0 1000 syz-executor5 [ 1632.726087] [22765] 0 22765 17618 8249 26 4 0 1000 syz-executor2 [ 1632.741527] [22793] 0 22793 17618 8234 25 4 0 0 syz-executor4 [ 1632.757889] Free swap = 0kB [ 1632.770112] Total swap = 0kB [ 1632.773144] 1965979 pages RAM [ 1632.776253] 0 pages HighMem/MovableOnly [ 1632.788280] [22794] 0 22794 17618 12677 31 3 0 1000 syz-executor5 [ 1632.801942] [22857] 0 22857 17618 12677 31 3 0 1000 syz-executor5 [ 1632.822503] [22932] 0 22932 17618 12677 31 3 0 1000 syz-executor5 [ 1632.835664] 315641 pages reserved [ 1632.850759] [23007] 0 23007 17618 12677 31 3 0 1000 syz-executor5 [ 1632.866411] [23029] 0 23029 17585 8231 25 4 0 1000 syz-executor3 [ 1632.875949] [23040] 0 23040 17585 8198 24 3 0 1000 syz-executor1 [ 1632.903682] [23045] 0 23045 17618 8200 24 3 0 1000 syz-executor1 [ 1632.919705] [23051] 0 23051 17717 8243 25 4 0 0 syz-executor4 [ 1632.944427] [23069] 0 23069 17618 12677 31 3 0 1000 syz-executor5 [ 1632.953985] [23159] 0 23159 17618 12677 31 3 0 1000 syz-executor5 [ 1632.974688] [23229] 0 23229 17618 12677 31 3 0 1000 syz-executor5 [ 1632.995356] [23302] 0 23302 17618 12677 31 3 0 1000 syz-executor5 [ 1633.013742] [23354] 0 23354 17618 12677 31 3 0 1000 syz-executor5 [ 1633.034531] [23428] 0 23428 17585 8198 24 3 0 1000 syz-executor3 [ 1633.045306] [23437] 0 23437 17618 12677 31 3 0 1000 syz-executor5 [ 1633.127707] [23445] 0 23445 17618 12677 31 3 0 1000 syz-executor3 [ 1633.343450] [23448] 0 23448 17648 8237 27 4 0 1000 syz-executor2 [ 1633.569139] [23454] 0 23454 17647 12736 32 3 0 1000 syz-executor3 [ 1633.668606] [23475] 0 23475 17680 12736 32 3 0 1000 syz-executor3 [ 1633.723770] [23494] 0 23494 17618 12677 31 3 0 1000 syz-executor5 [ 1633.934907] [23540] 0 23540 17585 8236 25 4 0 0 syz-executor4 [ 1633.950721] [23555] 0 23555 17684 8242 25 4 0 0 syz-executor4 [ 1633.978981] [23566] 0 23566 17618 12677 31 3 0 1000 syz-executor5 [ 1634.000112] [23626] 0 23626 17585 8198 24 3 0 1000 syz-executor3 [ 1634.009608] [23629] 0 23629 17618 12677 31 3 0 1000 syz-executor5 [ 1634.214643] [23630] 0 23630 17618 8200 24 3 0 1000 syz-executor3 [ 1634.270084] [23645] 0 23645 17684 8239 26 4 0 1000 syz-executor3 [ 1634.279580] [23719] 0 23719 17618 12677 31 3 0 1000 syz-executor5 [ 1634.309196] [23738] 0 23738 17585 8191 24 3 0 1000 syz-executor2 [ 1634.318712] [23742] 0 23742 17651 8204 25 3 0 1000 syz-executor1 [ 1634.330114] [23755] 0 23755 17684 8208 26 3 0 1000 syz-executor2 [ 1634.339591] [23813] 0 23813 17618 12677 31 3 0 1000 syz-executor5 [ 1634.373802] [23818] 0 23818 17585 8235 26 4 0 1000 syz-executor2 [ 1634.402945] [23850] 0 23850 17618 12677 31 3 0 1000 syz-executor5 [ 1634.416393] [23893] 0 23893 17618 12677 31 3 0 1000 syz-executor5 [ 1634.434515] [23923] 0 23923 17585 8201 26 3 0 1000 syz-executor0 [ 1634.453875] [23926] 0 23926 17618 12297 32 3 0 1000 syz-executor0 [ 1634.474136] [23989] 0 23989 17618 12677 31 3 0 1000 syz-executor5 [ 1634.488414] [24047] 0 24047 17585 8191 23 3 0 0 syz-executor4 [ 1634.513761] [24049] 0 24049 17618 12677 31 3 0 1000 syz-executor5 [ 1634.533768] [24082] 0 24082 17651 8234 25 4 0 1000 syz-executor1 [ 1634.554697] [24124] 0 24124 17618 12677 31 3 0 1000 syz-executor5 [ 1634.565377] [24143] 0 24143 17651 8234 25 4 0 1000 syz-executor1 [ 1634.590395] [24156] 0 24156 17718 8033 25 4 0 0 syz-executor4 [ 1634.599874] [24211] 0 24211 17618 12677 31 3 0 1000 syz-executor5 [ 1634.628224] [24213] 0 24213 17816 8247 33 4 0 1000 syz-executor3 [ 1634.637752] [24277] 0 24277 17618 12677 31 3 0 1000 syz-executor5 [ 1634.664794] [24309] 0 24309 17585 8203 26 3 0 1000 syz-executor2 [ 1634.675341] [24311] 0 24311 17651 8209 26 3 0 1000 syz-executor2 [ 1634.700165] [24317] 0 24317 17618 12677 31 3 0 1000 syz-executor5 [ 1634.709624] [24366] 0 24366 17618 12677 31 3 0 1000 syz-executor5 [ 1634.720728] [24386] 0 24386 17651 8236 25 4 0 0 syz-executor4 [ 1634.743145] [24443] 0 24443 17618 12677 31 3 0 1000 syz-executor5 [ 1634.753684] [24505] 0 24505 17618 12677 31 3 0 1000 syz-executor5 [ 1634.770079] [24587] 0 24587 17618 12677 31 3 0 1000 syz-executor5 [ 1634.779548] [24657] 0 24657 17618 8234 26 4 0 1000 syz-executor1 [ 1634.801186] [24674] 0 24674 17618 12677 31 3 0 1000 syz-executor5 [ 1634.811137] [24726] 0 24726 17618 12677 31 3 0 1000 syz-executor5 [ 1634.830517] [24772] 0 24772 17618 12677 31 3 0 1000 syz-executor5 [ 1634.839995] [24846] 0 24846 17618 12677 31 3 0 1000 syz-executor5 [ 1634.862359] [24914] 0 24914 17618 12677 31 3 0 1000 syz-executor5 [ 1634.871921] [24938] 0 24938 17585 8199 24 3 0 1000 syz-executor3 [ 1634.883139] [24944] 0 24944 17618 8201 24 3 0 1000 syz-executor3 [ 1634.900790] [24952] 0 24952 17684 8239 27 4 0 1000 syz-executor0 [ 1634.911335] [24982] 0 24982 17618 12677 31 3 0 1000 syz-executor5 [ 1634.930095] [25012] 0 25012 17618 8232 25 4 0 1000 syz-executor1 [ 1634.939558] [25053] 0 25053 17618 12677 31 3 0 1000 syz-executor5 [ 1634.960495] [25062] 0 25062 17585 8230 25 4 0 1000 syz-executor1 [ 1634.969984] [25134] 0 25134 17618 12677 31 3 0 1000 syz-executor5 [ 1634.990080] [25163] 0 25163 17618 12677 31 3 0 1000 syz-executor5 [ 1634.999549] [25171] 0 25171 17618 8236 27 4 0 1000 syz-executor2 [ 1635.021225] [25220] 0 25220 17651 8241 27 4 0 1000 syz-executor2 [ 1635.043632] [25260] 0 25260 17618 12677 31 3 0 1000 syz-executor5 [ 1635.053703] [25331] 0 25331 17618 12677 31 3 0 1000 syz-executor5 [ 1635.080294] [25349] 0 25349 17618 8202 25 3 0 1000 syz-executor0 [ 1635.089802] [25360] 0 25360 17618 12677 31 3 0 1000 syz-executor5 [ 1635.137318] [25361] 0 25361 17618 8201 24 3 0 1000 syz-executor0 [ 1635.175325] [25428] 0 25428 17618 12677 31 3 0 1000 syz-executor5 [ 1635.364051] [25506] 0 25506 17618 12677 31 3 0 1000 syz-executor5 [ 1635.527131] [25527] 0 25527 17651 8236 26 4 0 1000 syz-executor1 [ 1635.553640] [25565] 0 25565 17618 12677 31 3 0 1000 syz-executor5 [ 1635.566855] [25566] 0 25566 17651 8236 26 4 0 1000 syz-executor1 [ 1635.583845] [25584] 0 25584 17651 8238 26 4 0 1000 syz-executor3 [ 1635.603970] [25591] 0 25591 17651 8238 26 4 0 1000 syz-executor3 [ 1635.633957] [25611] 0 25611 17585 8198 24 3 0 1000 syz-executor3 [ 1635.648698] [25613] 0 25613 17585 8189 23 3 0 1000 syz-executor1 [ 1635.659202] [25615] 0 25615 17618 8200 24 3 0 1000 syz-executor3 [ 1635.671808] [25665] 0 25665 17618 12677 31 3 0 1000 syz-executor5 [ 1635.703792] [25708] 0 25708 17651 8234 25 4 0 1000 syz-executor3 [ 1635.713397] [25713] 0 25713 17651 8234 25 4 0 1000 syz-executor3 [ 1635.726993] [25725] 0 25725 17618 12677 31 3 0 1000 syz-executor5 [ 1635.757325] [25773] 0 25773 17685 8238 26 4 0 1000 syz-executor2 [ 1635.768347] [25792] 0 25792 17618 12677 31 3 0 1000 syz-executor5 [ 1635.791081] [25813] 0 25813 17685 8238 26 4 0 1000 syz-executor2 [ 1635.810117] [25850] 0 25850 17651 8236 26 4 0 1000 syz-executor3 [ 1635.819576] [25875] 0 25875 17618 12677 31 3 0 1000 syz-executor5 [ 1635.840078] [25930] 0 25930 17618 12677 31 3 0 1000 syz-executor5 [ 1635.849547] [25984] 0 25984 17618 8239 26 4 0 0 syz-executor4 [ 1635.871466] [25998] 0 25998 17618 12677 31 3 0 1000 syz-executor5 [ 1635.882379] [26077] 0 26077 17618 12677 31 3 0 1000 syz-executor5 [ 1635.900982] [26145] 0 26145 17618 12677 31 3 0 1000 syz-executor5 [ 1635.936342] [26163] 0 26163 17618 12677 31 3 0 1000 syz-executor5 [ 1635.945907] [26220] 0 26220 17618 12677 31 3 0 1000 syz-executor5 [ 1635.963843] [26303] 0 26303 17618 12677 31 3 0 1000 syz-executor5 [ 1635.984098] [26367] 0 26367 17618 12677 31 3 0 1000 syz-executor5 [ 1636.005419] [26382] 0 26382 17618 8208 25 3 0 0 syz-executor4 [ 1636.024707] [26442] 0 26442 17717 8245 26 4 0 0 syz-executor4 [ 1636.044016] [26481] 0 26481 17618 12677 31 3 0 1000 syz-executor5 [ 1636.064619] [26541] 0 26541 17684 8236 26 4 0 1000 syz-executor3 [ 1636.078090] [26546] 0 26546 17618 8236 26 4 0 0 syz-executor4 [ 1636.106154] [26555] 0 26555 17618 12677 31 3 0 1000 syz-executor5 [ 1636.301339] [26573] 0 26573 17684 8236 26 4 0 1000 syz-executor3 [ 1636.494053] [26595] 0 26595 17618 8235 27 4 0 1000 syz-executor2 [ 1636.638699] [26614] 0 26614 17618 12677 31 3 0 1000 syz-executor5 [ 1636.768442] [26627] 0 26627 17684 8222 26 4 0 1000 syz-executor2 [ 1636.821534] [26646] 0 26646 17618 12677 31 3 0 1000 syz-executor5 [ 1636.841032] [26648] 0 26648 17684 8222 26 4 0 1000 syz-executor2 [ 1636.859931] [26713] 0 26713 17618 12677 31 3 0 1000 syz-executor5 [ 1636.870130] [26755] 0 26755 17618 8234 26 4 0 1000 syz-executor1 [ 1636.879593] [26763] 0 26763 17618 12677 31 3 0 1000 syz-executor5 [ 1636.910124] [26846] 0 26846 17685 8239 27 4 0 1000 syz-executor2 [ 1636.919615] [26848] 0 26848 17618 12677 31 3 0 1000 syz-executor5 [ 1637.039691] [26870] 0 26870 17685 8239 27 4 0 1000 syz-executor2 [ 1637.052497] [26923] 0 26923 17618 12677 31 3 0 1000 syz-executor5 [ 1637.068690] [26979] 0 26979 17618 12677 31 3 0 1000 syz-executor5 [ 1637.122695] [26999] 0 26999 17585 8193 23 3 0 0 syz-executor4 [ 1637.182309] [27019] 0 27019 17651 8206 24 3 0 0 syz-executor4 [ 1637.209472] [27020] 0 27020 17618 8232 25 4 0 1000 syz-executor1 [ 1637.308821] [27031] 0 27031 17618 12677 31 3 0 1000 syz-executor5 [ 1637.388495] [27091] 0 27091 17618 12677 31 3 0 1000 syz-executor5 [ 1637.545481] [27108] 0 27108 17618 8237 27 4 0 1000 syz-executor2 [ 1637.678215] [27125] 0 27125 17618 12677 31 3 0 1000 syz-executor5 [ 1637.731116] [27236] 0 27236 17618 12677 31 3 0 1000 syz-executor5 [ 1637.772521] [27311] 0 27311 17618 8232 25 4 0 1000 syz-executor1 [ 1637.802678] [27336] 0 27336 17618 12677 31 3 0 1000 syz-executor5 [ 1637.832926] [27411] 0 27411 17618 12677 31 3 0 1000 syz-executor5 [ 1637.848889] [27503] 0 27503 17618 8235 26 4 0 1000 syz-executor2 [ 1638.035221] [27513] 0 27513 17618 12677 31 3 0 1000 syz-executor5 [ 1638.156353] [27594] 0 27594 17618 12677 31 3 0 1000 syz-executor5 [ 1638.186349] [27619] 0 27619 17618 12677 31 3 0 1000 syz-executor5 [ 1638.213095] [27686] 0 27686 17618 12677 31 3 0 1000 syz-executor5 [ 1638.243398] [27758] 0 27758 17618 12677 31 3 0 1000 syz-executor5 [ 1638.303348] warn_alloc: 14 callbacks suppressed [ 1638.303352] modprobe: page allocation stalls for 20050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.322765] modprobe: page allocation stalls for 20070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.334005] modprobe: page allocation stalls for 20080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.345285] modprobe: page allocation stalls for 20070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.356528] modprobe: page allocation stalls for 20060ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.374604] modprobe: page allocation stalls for 20100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.387393] kworker/u4:11: page allocation stalls for 20070ms, order:1, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1638.408249] syz-executor3: page allocation stalls for 20140ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.419935] kworker/u4:9: page allocation stalls for 20160ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.431539] modprobe: page allocation stalls for 20110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1638.494773] [27816] 0 27816 17585 8199 25 3 0 1000 syz-executor3 [ 1638.525991] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1638.532504] Call Trace: [ 1638.535127] dump_stack+0xb9/0x11b [ 1638.538676] warn_alloc.cold.35+0x9d/0x1b7 [ 1638.542909] ? zone_watermark_ok_safe+0x240/0x240 [ 1638.547750] ? usleep_range+0x130/0x130 [ 1638.551767] __alloc_pages_nodemask+0x1425/0x2280 [ 1638.556639] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1638.561490] ? __lock_acquire+0x619/0x4320 [ 1638.565719] ? __lock_acquire+0x619/0x4320 [ 1638.569975] ? __lock_acquire+0x619/0x4320 [ 1638.574226] ? new_slab+0x358/0x470 [ 1638.577870] new_slab+0x3c0/0x470 [ 1638.581334] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1638.586376] ? getname_flags+0xc4/0x540 [ 1638.590393] ? fs_reclaim_acquire+0x10/0x10 [ 1638.594725] ? check_preemption_disabled+0x34/0x1e0 [ 1638.599746] ? getname_flags+0xc4/0x540 [ 1638.603718] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1638.609189] ? getname_flags+0xc4/0x540 [ 1638.613179] kmem_cache_alloc+0x19e/0x2b0 [ 1638.617326] getname_flags+0xc4/0x540 [ 1638.621175] user_path_at_empty+0x28/0x80 [ 1638.625324] vfs_statx+0xe1/0x180 [ 1638.628834] ? vfs_statx_fd+0x90/0x90 [ 1638.632629] ? __might_fault+0x104/0x1b0 [ 1638.636687] ? lock_downgrade+0x560/0x560 [ 1638.640830] ? lock_acquire+0x10f/0x380 [ 1638.644795] ? __might_fault+0xd4/0x1b0 [ 1638.648768] SyS_newfstatat+0x89/0x100 [ 1638.652692] ? SyS_newlstat+0xf0/0xf0 [ 1638.656490] ? __might_fault+0x177/0x1b0 [ 1638.660547] ? SyS_getdents+0x1d0/0x270 [ 1638.664517] ? SyS_old_readdir+0x150/0x150 [ 1638.668742] ? compat_fillonedir+0x260/0x260 [ 1638.673183] ? do_syscall_64+0x43/0x4b0 [ 1638.677350] ? SyS_newlstat+0xf0/0xf0 [ 1638.681155] do_syscall_64+0x19b/0x4b0 [ 1638.685062] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1638.690257] RIP: 0033:0x7f7afb061e1a [ 1638.693959] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1638.701661] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1638.708933] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1638.716193] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1638.723465] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1638.730727] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1638.831720] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1638.838252] Call Trace: [ 1638.840840] dump_stack+0xb9/0x11b [ 1638.844390] warn_alloc.cold.35+0x9d/0x1b7 [ 1638.848642] ? zone_watermark_ok_safe+0x240/0x240 [ 1638.853481] ? usleep_range+0x130/0x130 [ 1638.857496] __alloc_pages_nodemask+0x1425/0x2280 [ 1638.862360] ? perf_trace_lock+0x11a/0x4c0 [ 1638.866641] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1638.871488] ? check_preemption_disabled+0x34/0x1e0 [ 1638.876527] ? __lock_acquire+0x619/0x4320 [ 1638.880800] ? new_slab+0x358/0x470 [ 1638.884431] new_slab+0x3c0/0x470 [ 1638.887924] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1638.892943] ? getname_flags+0xc4/0x540 [ 1638.896927] ? fs_reclaim_acquire+0x10/0x10 [ 1638.901253] ? check_preemption_disabled+0x34/0x1e0 [ 1638.906267] ? getname_flags+0xc4/0x540 [ 1638.910242] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1638.915693] ? getname_flags+0xc4/0x540 [ 1638.919663] kmem_cache_alloc+0x19e/0x2b0 [ 1638.923813] getname_flags+0xc4/0x540 [ 1638.927618] user_path_at_empty+0x28/0x80 [ 1638.931769] vfs_statx+0xe1/0x180 [ 1638.935240] ? vfs_statx_fd+0x90/0x90 [ 1638.939089] SyS_newstat+0x81/0xf0 [ 1638.942623] ? SyS_fstat+0xe0/0xe0 [ 1638.946173] ? up_read+0x17/0x30 [ 1638.949540] ? __do_page_fault+0x64c/0xb60 [ 1638.953778] ? do_syscall_64+0x43/0x4b0 [ 1638.957752] ? SyS_fstat+0xe0/0xe0 [ 1638.961284] do_syscall_64+0x19b/0x4b0 [ 1638.965186] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1638.970374] RIP: 0033:0x7f810d837c65 [ 1638.974091] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1638.981807] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1638.989114] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1638.996379] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1639.003644] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1639.010923] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1639.030080] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1639.036588] Call Trace: [ 1639.039175] dump_stack+0xb9/0x11b [ 1639.042718] warn_alloc.cold.35+0x9d/0x1b7 [ 1639.046951] ? zone_watermark_ok_safe+0x240/0x240 [ 1639.051790] ? usleep_range+0x130/0x130 [ 1639.055833] __alloc_pages_nodemask+0x1425/0x2280 [ 1639.060739] ? get_page_from_freelist+0x756/0x1ea0 [ 1639.065666] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1639.070516] ? __lock_acquire+0x619/0x4320 [ 1639.074776] ? check_preemption_disabled+0x34/0x1e0 [ 1639.079820] ? new_slab+0x358/0x470 [ 1639.083449] new_slab+0x3c0/0x470 [ 1639.086906] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1639.091932] ? getname_flags+0xc4/0x540 [ 1639.095941] ? fs_reclaim_acquire+0x10/0x10 [ 1639.100260] ? check_preemption_disabled+0x34/0x1e0 [ 1639.105270] ? getname_flags+0xc4/0x540 [ 1639.109240] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1639.114703] ? getname_flags+0xc4/0x540 [ 1639.118702] kmem_cache_alloc+0x19e/0x2b0 [ 1639.122854] getname_flags+0xc4/0x540 [ 1639.126660] user_path_at_empty+0x28/0x80 [ 1639.130810] vfs_statx+0xe1/0x180 [ 1639.134260] ? vfs_statx_fd+0x90/0x90 [ 1639.138091] SyS_newstat+0x81/0xf0 [ 1639.141628] ? SyS_fstat+0xe0/0xe0 [ 1639.145194] ? up_read+0x17/0x30 [ 1639.148553] ? __do_page_fault+0x64c/0xb60 [ 1639.152803] ? do_syscall_64+0x43/0x4b0 [ 1639.156775] ? SyS_fstat+0xe0/0xe0 [ 1639.160325] do_syscall_64+0x19b/0x4b0 [ 1639.164223] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1639.169418] RIP: 0033:0x7f5cb3133c65 [ 1639.173134] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1639.180844] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1639.188123] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1639.195388] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1639.202651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1639.209932] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1639.220535] CPU: 1 PID: 9334 Comm: modprobe Not tainted 4.14.87+ #21 [ 1639.227039] Call Trace: [ 1639.229641] dump_stack+0xb9/0x11b [ 1639.233214] warn_alloc.cold.35+0x9d/0x1b7 [ 1639.237446] ? zone_watermark_ok_safe+0x240/0x240 [ 1639.242285] ? usleep_range+0x130/0x130 [ 1639.246304] __alloc_pages_nodemask+0x1425/0x2280 [ 1639.251180] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1639.256049] ? __lock_acquire+0x619/0x4320 [ 1639.260281] ? __lock_acquire+0x619/0x4320 [ 1639.264527] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1639.269642] ? perf_trace_lock+0x11a/0x4c0 [ 1639.273873] ? new_slab+0x358/0x470 [ 1639.277502] new_slab+0x3c0/0x470 [ 1639.280964] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1639.285977] ? perf_event_mmap+0x447/0xc30 [ 1639.290224] ? fs_reclaim_acquire+0x10/0x10 [ 1639.294551] ? check_preemption_disabled+0x34/0x1e0 [ 1639.299567] ? perf_event_mmap+0x447/0xc30 [ 1639.303802] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1639.309253] kmem_cache_alloc_trace+0x1c6/0x300 [ 1639.313915] ? perf_event_mmap+0x447/0xc30 [ 1639.318172] perf_event_mmap+0x447/0xc30 [ 1639.322244] ? perf_event_namespaces+0x30/0x30 [ 1639.326844] ? prot_none_test+0x10/0x10 [ 1639.330816] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1639.334979] mprotect_fixup+0x3b2/0x800 [ 1639.338990] ? change_protection+0x50/0x50 [ 1639.343247] ? file_map_prot_check+0x193/0x2c0 [ 1639.347831] ? selinux_file_mprotect+0xf6/0x5c0 [ 1639.352510] ? SyS_mprotect+0x16f/0x610 [ 1639.356519] SyS_mprotect+0x30a/0x610 [ 1639.360324] ? mprotect_fixup+0x800/0x800 [ 1639.364478] ? do_syscall_64+0x43/0x4b0 [ 1639.368482] ? mprotect_fixup+0x800/0x800 [ 1639.372649] do_syscall_64+0x19b/0x4b0 [ 1639.376564] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1639.381749] RIP: 0033:0x7fbdfdf45447 [ 1639.385471] RSP: 002b:00007ffda38dca18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1639.393180] RAX: ffffffffffffffda RBX: 00007fbdfe14d9a8 RCX: 00007fbdfdf45447 [ 1639.400443] RDX: 0000000000000001 RSI: 0000000000004000 RDI: 00007fbdfdd0f000 [ 1639.407704] RBP: 00007ffda38dcb10 R08: 000000000000003f R09: 0000000000000001 [ 1639.414969] R10: 00007fbdfd9aaaf0 R11: 0000000000000206 R12: 00007fbdfd98c000 [ 1639.422245] R13: 00007fbdfdd13020 R14: 00007fbdfd9aaaf0 R15: 00007fbdfdd13d98 [ 1639.434490] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1639.441008] Call Trace: [ 1639.443592] dump_stack+0xb9/0x11b [ 1639.447137] warn_alloc.cold.35+0x9d/0x1b7 [ 1639.451384] ? zone_watermark_ok_safe+0x240/0x240 [ 1639.456227] ? usleep_range+0x130/0x130 [ 1639.460249] __alloc_pages_nodemask+0x1425/0x2280 [ 1639.465114] ? check_preemption_disabled+0x34/0x1e0 [ 1639.470131] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1639.474994] ? __is_insn_slot_addr+0x139/0x1f0 [ 1639.479580] ? __lock_acquire+0x619/0x4320 [ 1639.483809] ? __lock_acquire+0x619/0x4320 [ 1639.488066] ? depot_save_stack+0x126/0x428 [ 1639.492400] ? perf_trace_lock+0x11a/0x4c0 [ 1639.496633] ? new_slab+0x358/0x470 [ 1639.500267] new_slab+0x3c0/0x470 [ 1639.503760] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1639.508789] ? perf_event_mmap+0x447/0xc30 [ 1639.513048] ? fs_reclaim_acquire+0x10/0x10 [ 1639.517382] ? check_preemption_disabled+0x34/0x1e0 [ 1639.522398] ? perf_event_mmap+0x447/0xc30 [ 1639.526634] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1639.532093] kmem_cache_alloc_trace+0x1c6/0x300 [ 1639.536755] ? perf_event_mmap+0x447/0xc30 [ 1639.540992] perf_event_mmap+0x447/0xc30 [ 1639.545060] ? perf_event_namespaces+0x30/0x30 [ 1639.549662] ? prot_none_test+0x10/0x10 [ 1639.553630] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1639.557790] mprotect_fixup+0x3b2/0x800 [ 1639.561789] ? change_protection+0x50/0x50 [ 1639.566027] ? file_map_prot_check+0x193/0x2c0 [ 1639.570613] ? selinux_file_mprotect+0xf6/0x5c0 [ 1639.575301] ? SyS_mprotect+0x16f/0x610 [ 1639.579289] SyS_mprotect+0x30a/0x610 [ 1639.583095] ? mprotect_fixup+0x800/0x800 [ 1639.587266] ? do_syscall_64+0x43/0x4b0 [ 1639.591252] ? mprotect_fixup+0x800/0x800 [ 1639.595435] do_syscall_64+0x19b/0x4b0 [ 1639.599334] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1639.604530] RIP: 0033:0x7f515b46a447 [ 1639.608236] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1639.615942] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1639.623206] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1639.630471] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1639.637736] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1639.645009] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1639.656882] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1639.663903] Call Trace: [ 1639.666489] dump_stack+0xb9/0x11b [ 1639.670034] warn_alloc.cold.35+0x9d/0x1b7 [ 1639.674273] ? zone_watermark_ok_safe+0x240/0x240 [ 1639.679124] ? usleep_range+0x130/0x130 [ 1639.683154] __alloc_pages_nodemask+0x1425/0x2280 [ 1639.688028] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1639.692890] ? __lock_acquire+0x619/0x4320 [ 1639.697121] ? kasan_slab_free+0xac/0x190 [ 1639.701261] ? kmem_cache_free+0x12d/0x350 [ 1639.705490] ? putname+0xcf/0x100 [ 1639.708938] ? do_rmdir+0x161/0x3a0 [ 1639.712561] ? do_syscall_64+0x19b/0x4b0 [ 1639.716677] ? new_slab+0x358/0x470 [ 1639.720315] new_slab+0x3c0/0x470 [ 1639.723780] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1639.728794] ? getname_flags+0xc4/0x540 [ 1639.732777] ? fs_reclaim_acquire+0x10/0x10 [ 1639.737116] ? check_preemption_disabled+0x34/0x1e0 [ 1639.742179] ? getname_flags+0xc4/0x540 [ 1639.746167] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1639.751615] ? getname_flags+0xc4/0x540 [ 1639.755599] kmem_cache_alloc+0x19e/0x2b0 [ 1639.759767] getname_flags+0xc4/0x540 [ 1639.763580] ? task_work_run+0x6a/0x190 [ 1639.767557] SyS_mkdirat+0x8d/0x220 [ 1639.771198] ? trace_hardirqs_on_caller+0x381/0x520 [ 1639.776211] ? SyS_mknod+0x30/0x30 [ 1639.779751] ? do_syscall_64+0x43/0x4b0 [ 1639.783750] ? SyS_mkdirat+0x220/0x220 [ 1639.787635] do_syscall_64+0x19b/0x4b0 [ 1639.791529] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1639.796711] RIP: 0033:0x456a97 [ 1639.799890] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1639.807597] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1639.814873] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1639.822152] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1639.829420] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1639.836681] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1639.848110] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1639.854953] Call Trace: [ 1639.857543] dump_stack+0xb9/0x11b [ 1639.861093] warn_alloc.cold.35+0x9d/0x1b7 [ 1639.865373] ? zone_watermark_ok_safe+0x240/0x240 [ 1639.870216] ? usleep_range+0x130/0x130 [ 1639.874236] __alloc_pages_nodemask+0x1425/0x2280 [ 1639.879100] ? perf_trace_lock+0x11a/0x4c0 [ 1639.883334] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1639.888180] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1639.893172] ? __lock_acquire+0x619/0x4320 [ 1639.897452] ? perf_trace_lock+0x11a/0x4c0 [ 1639.901695] ? new_slab+0x358/0x470 [ 1639.905328] new_slab+0x3c0/0x470 [ 1639.908792] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1639.913802] ? debug_object_deactivate+0x340/0x340 [ 1639.918724] ? getname_kernel+0x4e/0x340 [ 1639.922820] ? fs_reclaim_acquire+0x10/0x10 [ 1639.927148] ? check_preemption_disabled+0x34/0x1e0 [ 1639.932187] ? getname_kernel+0x4e/0x340 [ 1639.936243] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1639.941689] ? getname_kernel+0x4e/0x340 [ 1639.945743] kmem_cache_alloc+0x19e/0x2b0 [ 1639.949891] getname_kernel+0x4e/0x340 [ 1639.953795] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1639.959153] ? umh_complete+0x80/0x80 [ 1639.962965] ret_from_fork+0x3a/0x50 [ 1639.970980] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1639.977477] Call Trace: [ 1639.980073] dump_stack+0xb9/0x11b [ 1639.983634] warn_alloc.cold.35+0x9d/0x1b7 [ 1639.987868] ? zone_watermark_ok_safe+0x240/0x240 [ 1639.992707] ? usleep_range+0x130/0x130 [ 1639.996754] __alloc_pages_nodemask+0x1425/0x2280 [ 1640.001632] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1640.006486] ? __lock_acquire+0x619/0x4320 [ 1640.010716] ? check_preemption_disabled+0x34/0x1e0 [ 1640.015778] ? new_slab+0x358/0x470 [ 1640.019408] new_slab+0x3c0/0x470 [ 1640.022870] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1640.027888] ? getname_flags+0xc4/0x540 [ 1640.031882] ? fs_reclaim_acquire+0x10/0x10 [ 1640.036222] ? check_preemption_disabled+0x34/0x1e0 [ 1640.041234] ? getname_flags+0xc4/0x540 [ 1640.045207] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1640.050653] ? getname_flags+0xc4/0x540 [ 1640.054621] kmem_cache_alloc+0x19e/0x2b0 [ 1640.058782] getname_flags+0xc4/0x540 [ 1640.062584] user_path_at_empty+0x28/0x80 [ 1640.066736] vfs_statx+0xe1/0x180 [ 1640.070219] ? vfs_statx_fd+0x90/0x90 [ 1640.074012] ? mntput_no_expire+0xca/0x830 [ 1640.078256] SyS_newstat+0x81/0xf0 [ 1640.081792] ? SyS_fstat+0xe0/0xe0 [ 1640.085331] ? _raw_spin_unlock_irq+0x24/0x50 [ 1640.089822] ? trace_hardirqs_on_caller+0x381/0x520 [ 1640.094847] ? _raw_spin_unlock_irq+0x35/0x50 [ 1640.099340] ? task_work_run+0xec/0x190 [ 1640.103319] ? do_syscall_64+0x43/0x4b0 [ 1640.107304] ? SyS_fstat+0xe0/0xe0 [ 1640.110852] do_syscall_64+0x19b/0x4b0 [ 1640.114761] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1640.119957] RIP: 0033:0x7ff6b2c93c65 [ 1640.123657] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1640.131361] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1640.138632] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1640.145895] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1640.153156] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1640.160420] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1640.182611] [27828] 0 27828 17618 8234 26 4 0 1000 syz-executor2 [ 1640.193379] CPU: 1 PID: 9339 Comm: kworker/u4:11 Not tainted 4.14.87+ #21 [ 1640.200296] Call Trace: [ 1640.202876] dump_stack+0xb9/0x11b [ 1640.206457] warn_alloc.cold.35+0x9d/0x1b7 [ 1640.210684] ? zone_watermark_ok_safe+0x240/0x240 [ 1640.215580] __alloc_pages_nodemask+0x1425/0x2280 [ 1640.220451] ? call_usermodehelper_exec_async+0x289/0x4b0 [ 1640.225981] ? ret_from_fork+0x3a/0x50 [ 1640.229864] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1640.234724] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1640.239650] ? HARDIRQ_verbose+0x10/0x10 [ 1640.243744] __get_free_pages+0x13/0xa0 [ 1640.247713] pgd_alloc+0x1f/0x3a0 [ 1640.251196] mm_init+0x514/0x800 [ 1640.254558] mm_alloc+0xa1/0xc0 [ 1640.257843] do_execveat_common.isra.14+0xa71/0x1d60 [ 1640.262951] ? fs_reclaim_acquire+0x10/0x10 [ 1640.267277] ? prepare_bprm_creds+0x110/0x110 [ 1640.271818] ? rcu_read_lock_sched_held+0x102/0x120 [ 1640.276850] do_execve+0x2c/0x40 [ 1640.280246] call_usermodehelper_exec_async+0x289/0x4b0 [ 1640.285616] ? umh_complete+0x80/0x80 [ 1640.289411] ret_from_fork+0x3a/0x50 [ 1640.295849] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1640.302414] Call Trace: [ 1640.305012] dump_stack+0xb9/0x11b [ 1640.308547] warn_alloc.cold.35+0x9d/0x1b7 [ 1640.312778] ? zone_watermark_ok_safe+0x240/0x240 [ 1640.317616] ? usleep_range+0x130/0x130 [ 1640.321624] __alloc_pages_nodemask+0x1425/0x2280 [ 1640.326491] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1640.331339] ? __lock_acquire+0x619/0x4320 [ 1640.335572] ? __lock_acquire+0x619/0x4320 [ 1640.339818] ? __lock_acquire+0x619/0x4320 [ 1640.344060] ? new_slab+0x358/0x470 [ 1640.347683] new_slab+0x3c0/0x470 [ 1640.351202] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1640.356214] ? getname_flags+0xc4/0x540 [ 1640.360194] ? fs_reclaim_acquire+0x10/0x10 [ 1640.364531] ? check_preemption_disabled+0x34/0x1e0 [ 1640.369558] ? getname_flags+0xc4/0x540 [ 1640.373555] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1640.378995] ? getname_flags+0xc4/0x540 [ 1640.382957] kmem_cache_alloc+0x19e/0x2b0 [ 1640.387099] getname_flags+0xc4/0x540 [ 1640.390903] user_path_at_empty+0x28/0x80 [ 1640.395053] vfs_statx+0xe1/0x180 [ 1640.398503] ? vfs_statx_fd+0x90/0x90 [ 1640.402295] ? __might_fault+0x104/0x1b0 [ 1640.406348] ? lock_downgrade+0x560/0x560 [ 1640.410496] ? lock_acquire+0x10f/0x380 [ 1640.414459] ? __might_fault+0xd4/0x1b0 [ 1640.418447] SyS_newfstatat+0x89/0x100 [ 1640.422348] ? SyS_newlstat+0xf0/0xf0 [ 1640.426147] ? __might_fault+0x177/0x1b0 [ 1640.430208] ? SyS_getdents+0x1d0/0x270 [ 1640.434183] ? SyS_old_readdir+0x150/0x150 [ 1640.438414] ? compat_fillonedir+0x260/0x260 [ 1640.442827] ? do_syscall_64+0x43/0x4b0 [ 1640.446796] ? SyS_newlstat+0xf0/0xf0 [ 1640.450626] do_syscall_64+0x19b/0x4b0 [ 1640.454520] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1640.459703] RIP: 0033:0x7fe72a00be1a [ 1640.463405] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1640.471112] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1640.478400] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1640.485693] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1640.492955] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1640.500217] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1640.566045] [27852] 0 27852 17618 12677 31 3 0 1000 syz-executor5 [ 1640.636227] [27897] 0 27897 17618 12678 31 3 0 1000 syz-executor5 [ 1640.730599] [27920] 0 27920 17684 8242 25 4 0 0 syz-executor4 [ 1640.857076] [27994] 0 27994 17618 12677 31 3 0 1000 syz-executor5 [ 1640.919562] [28063] 0 28063 17618 12677 31 3 0 1000 syz-executor5 [ 1640.948792] [28157] 0 28157 17618 12677 31 3 0 1000 syz-executor5 [ 1641.098987] [28164] 0 28164 17585 8202 24 3 0 0 syz-executor4 [ 1641.140105] [28172] 0 28172 17750 8212 26 3 0 0 syz-executor4 [ 1641.166111] [28230] 0 28230 17618 12677 31 3 0 1000 syz-executor5 [ 1641.269504] [28281] 0 28281 17618 8203 25 3 0 1000 syz-executor5 [ 1641.418461] [28342] 0 28342 17618 12677 31 3 0 1000 syz-executor5 [ 1641.479011] [28409] 0 28409 17618 12677 31 3 0 1000 syz-executor5 [ 1641.510147] [28412] 0 28412 17618 8236 25 4 0 0 syz-executor4 [ 1641.519607] [28430] 0 28430 17618 8202 25 3 0 1000 syz-executor2 [ 1641.534211] [28474] 0 28474 17618 12677 31 3 0 1000 syz-executor5 [ 1641.558182] [28545] 0 28545 17618 12677 32 3 0 1000 syz-executor0 [ 1641.588188] [28597] 0 28597 17618 12677 31 3 0 1000 syz-executor5 [ 1641.670429] [28627] 0 28627 17618 12677 32 3 0 1000 syz-executor0 [ 1641.700105] [28675] 0 28675 17618 12677 31 3 0 1000 syz-executor5 [ 1641.734036] [28686] 0 28686 17618 12677 32 3 0 1000 syz-executor0 [ 1641.758105] [28701] 0 28701 17585 8198 24 3 0 1000 syz-executor1 [ 1641.832729] [28706] 0 28706 17651 8202 24 3 0 1000 syz-executor1 [ 1641.877915] [28737] 0 28737 17618 12677 31 3 0 1000 syz-executor5 [ 1641.906157] [28753] 0 28753 17618 12707 32 3 0 1000 syz-executor0 [ 1641.922967] [28769] 0 28769 17651 8235 26 4 0 1000 syz-executor3 [ 1641.936584] warn_alloc_show_mem: 9 callbacks suppressed [ 1641.936587] Mem-Info: [ 1641.944422] [28800] 0 28800 17618 12677 31 3 0 1000 syz-executor5 [ 1641.963668] [28858] 0 28858 17618 12677 31 3 0 1000 syz-executor5 [ 1642.116481] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1642.116481] active_file:7 inactive_file:109 isolated_file:0 [ 1642.116481] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1642.116481] slab_reclaimable:6524 slab_unreclaimable:69161 [ 1642.116481] mapped:58657 shmem:851 pagetables:22412 bounce:0 [ 1642.116481] free:5944 free_pcp:172 free_cma:0 [ 1642.160945] [28914] 0 28914 17618 12677 31 3 0 1000 syz-executor5 [ 1642.289484] [28968] 0 28968 17618 12677 31 3 0 1000 syz-executor5 [ 1642.368907] [28991] 0 28991 17618 8233 25 4 0 1000 syz-executor1 [ 1642.400072] [29002] 0 29002 17585 8231 25 4 0 1000 syz-executor1 [ 1642.409531] [29013] 0 29013 17585 8231 25 4 0 1000 syz-executor1 [ 1642.423909] [29019] 0 29019 17618 12677 31 3 0 1000 syz-executor5 [ 1642.443666] [29039] 0 29039 17585 8231 25 4 0 1000 syz-executor1 [ 1642.479028] [29075] 0 29075 17618 12677 31 3 0 1000 syz-executor5 [ 1642.598738] [29095] 0 29095 17585 8231 25 4 0 1000 syz-executor1 [ 1642.632589] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:12kB inactive_file:436kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234628kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1642.708878] [29106] 0 29106 17585 8231 25 4 0 1000 syz-executor1 [ 1642.765483] [29119] 0 29119 17585 8230 25 4 0 1000 syz-executor1 [ 1642.838668] [29124] 0 29124 17585 8230 25 4 0 1000 syz-executor1 [ 1642.945792] [29132] 0 29132 17618 12677 31 3 0 1000 syz-executor5 [ 1642.989407] [29153] 0 29153 17585 8230 25 4 0 1000 syz-executor1 [ 1643.007000] [29176] 0 29176 17585 8231 25 4 0 1000 syz-executor1 [ 1643.016584] DMA32 free:18780kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:92kB inactive_file:328kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1643.139878] [29193] 0 29193 17618 12677 31 3 0 1000 syz-executor5 [ 1643.172475] [29286] 0 29286 17618 12677 31 3 0 1000 syz-executor5 [ 1643.186362] [29307] 0 29307 17585 8231 25 4 0 1000 syz-executor1 [ 1643.213932] [29315] 0 29315 17585 8231 25 4 0 1000 syz-executor1 [ 1643.448045] [29331] 0 29331 17585 8231 25 4 0 1000 syz-executor1 [ 1643.492848] warn_alloc_show_mem: 1 callbacks suppressed [ 1643.492852] Mem-Info: [ 1643.560112] [29359] 0 29359 17618 12677 31 3 0 1000 syz-executor5 [ 1643.679884] [29377] 0 29377 17585 8231 25 4 0 1000 syz-executor1 [ 1643.737812] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1643.737812] active_file:50 inactive_file:80 isolated_file:0 [ 1643.737812] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1643.737812] slab_reclaimable:6524 slab_unreclaimable:69369 [ 1643.737812] mapped:58679 shmem:851 pagetables:22412 bounce:0 [ 1643.737812] free:5857 free_pcp:202 free_cma:0 [ 1643.817695] lowmem_reserve[]: 0 3505 3505 [ 1643.832301] [29392] 0 29392 17585 8231 25 4 0 1000 syz-executor1 [ 1643.936454] Normal free:5224kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:64kB local_pcp:64kB free_cma:0kB [ 1643.968268] [29401] 0 29401 17585 8231 25 4 0 1000 syz-executor1 [ 1644.072026] [29417] 0 29417 17618 12677 31 3 0 1000 syz-executor5 [ 1644.177622] [29437] 0 29437 17585 8199 24 3 0 1000 syz-executor1 [ 1644.296979] [29465] 0 29465 17618 12677 31 3 0 1000 syz-executor5 [ 1644.326814] [29477] 0 29477 17651 8241 27 4 0 1000 syz-executor0 [ 1644.344918] [29509] 0 29509 17618 8233 25 4 0 1000 syz-executor1 [ 1644.364065] [29527] 0 29527 17618 12677 31 3 0 1000 syz-executor5 [ 1644.383862] [29557] 0 29557 17618 12677 31 3 0 1000 syz-executor5 [ 1644.393396] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:256kB inactive_file:284kB unevictable:74848kB isolated(anon):0kB isolated(file):52kB mapped:234756kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1644.427457] lowmem_reserve[]: 0 0 0 [ 1644.437577] [29562] 0 29562 17618 8233 25 4 0 1000 syz-executor1 [ 1644.458202] DMA32: 83*4kB (MH) 264*8kB (UH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1644.476688] [29569] 0 29569 17618 8238 26 4 0 1000 syz-executor3 [ 1644.486251] [29620] 0 29620 17618 8238 25 4 0 1000 syz-executor1 [ 1644.503971] [29637] 0 29637 17618 8233 25 4 0 1000 syz-executor1 [ 1644.520060] Normal: 108*4kB (UMH) 389*8kB (UMH) 54*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4536kB [ 1644.535597] [29643] 0 29643 17618 12677 31 3 0 1000 syz-executor5 [ 1644.546414] [29691] 0 29691 17585 8189 23 3 0 1000 syz-executor3 [ 1644.562644] DMA32 free:18204kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:208kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:712kB local_pcp:712kB free_cma:0kB [ 1644.600072] [29692] 0 29692 17585 8198 24 3 0 1000 syz-executor3 [ 1644.609605] [29711] 0 29711 17618 12677 31 3 0 1000 syz-executor5 [ 1644.619195] 10542 total pagecache pages [ 1644.630116] [29730] 0 29730 17618 8233 25 4 0 1000 syz-executor1 [ 1644.639670] 0 pages in swap cache [ 1644.643211] [29741] 0 29741 17618 8233 25 4 0 1000 syz-executor1 [ 1644.660912] Swap cache stats: add 0, delete 0, find 0/0 [ 1644.666381] [29754] 0 29754 17618 8233 25 4 0 1000 syz-executor1 [ 1644.677937] Free swap = 0kB [ 1644.688042] [29764] 0 29764 17618 8233 25 4 0 1000 syz-executor1 [ 1644.697600] Total swap = 0kB [ 1644.710463] [29772] 0 29772 17618 12677 31 3 0 1000 syz-executor5 [ 1644.719976] 1965979 pages RAM [ 1644.723129] lowmem_reserve[]: 0 3505 3505 [ 1644.727345] Normal free:4164kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:72kB local_pcp:72kB free_cma:0kB [ 1644.756650] 0 pages HighMem/MovableOnly [ 1644.760686] [29795] 0 29795 17618 8233 25 4 0 1000 syz-executor1 [ 1644.772793] 315641 pages reserved [ 1644.777927] [29824] 0 29824 17651 8235 25 4 0 1000 syz-executor1 [ 1644.797619] [29836] 0 29836 17618 12677 31 3 0 1000 syz-executor5 [ 1644.808930] [29850] 0 29850 17618 8233 25 4 0 1000 syz-executor1 [ 1644.830442] [29889] 0 29889 17618 8234 25 4 0 1000 syz-executor1 [ 1644.839963] [29899] 0 29899 17618 12677 31 3 0 1000 syz-executor5 [ 1644.860105] [29915] 0 29915 17618 8233 25 4 0 1000 syz-executor1 [ 1644.869648] [29947] 0 29947 17651 8234 25 4 0 1000 syz-executor1 [ 1644.879768] [29954] 0 29954 17652 8236 26 4 0 1000 syz-executor2 [ 1644.899983] lowmem_reserve[]: 0 0 0 [ 1644.904103] DMA32: 83*4kB (MH) 264*8kB (UH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18204kB [ 1644.917703] [29962] 0 29962 17651 8243 25 4 0 1000 syz-executor1 [ 1644.927761] [29967] 0 29967 17618 12677 31 3 0 1000 syz-executor5 [ 1644.947975] [30012] 0 30012 17618 8233 25 4 0 1000 syz-executor1 [ 1644.958610] [30024] 0 30024 17618 8233 25 4 0 1000 syz-executor1 [ 1644.968148] Normal: 108*4kB (UMH) 296*8kB (UMH) 54*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3792kB [ 1644.990084] [30050] 0 30050 17618 12677 31 3 0 1000 syz-executor5 [ 1644.999630] [30110] 0 30110 17618 12677 31 3 0 1000 syz-executor5 [ 1645.009176] [30113] 0 30113 17684 8241 27 4 0 1000 syz-executor2 [ 1645.028942] 10542 total pagecache pages [ 1645.034880] [30131] 0 30131 17618 12677 31 3 0 1000 syz-executor5 [ 1645.054505] [30145] 0 30145 17618 8234 25 4 0 1000 syz-executor1 [ 1645.066460] 0 pages in swap cache [ 1645.069938] Swap cache stats: add 0, delete 0, find 0/0 [ 1645.086142] [30162] 0 30162 17585 8233 26 4 0 1000 syz-executor2 [ 1645.116578] [30173] 0 30173 17618 8234 25 4 0 1000 syz-executor1 [ 1645.126179] Free swap = 0kB [ 1645.129193] Total swap = 0kB [ 1645.315157] [30174] 0 30174 17585 8233 26 4 0 1000 syz-executor2 [ 1645.529399] 1965979 pages RAM [ 1645.536438] [30190] 0 30190 17618 12677 31 3 0 1000 syz-executor5 [ 1645.628151] 0 pages HighMem/MovableOnly [ 1645.684634] [30213] 0 30213 17618 8234 25 4 0 1000 syz-executor1 [ 1645.772134] 315641 pages reserved [ 1645.825605] [30218] 0 30218 17585 8233 26 4 0 1000 syz-executor2 [ 1645.965882] [30251] 0 30251 17618 8234 26 4 0 1000 syz-executor0 [ 1646.087118] [30258] 0 30258 17585 8200 25 3 0 1000 syz-executor0 [ 1646.242055] [30294] 0 30294 17618 12677 31 3 0 1000 syz-executor5 [ 1646.379082] [30315] 0 30315 17618 12677 31 3 0 1000 syz-executor5 [ 1646.522886] [30350] 0 30350 17618 8233 25 4 0 1000 syz-executor1 [ 1646.654189] [30360] 0 30360 17585 8200 24 3 0 1000 syz-executor1 [ 1646.798832] [30373] 0 30373 17618 8234 25 4 0 1000 syz-executor1 [ 1646.953321] [30384] 0 30384 17618 12677 31 3 0 1000 syz-executor5 [ 1647.105037] [30407] 0 30407 17618 8234 25 4 0 1000 syz-executor1 [ 1647.236569] [30431] 0 30431 17658 8234 25 4 0 1000 syz-executor1 [ 1647.382152] [30441] 0 30441 17618 8234 25 4 0 1000 syz-executor1 [ 1647.515658] [30448] 0 30448 17618 12677 31 3 0 1000 syz-executor5 [ 1647.658563] [30465] 0 30465 17618 8234 25 4 0 1000 syz-executor1 [ 1647.793588] [30476] 0 30476 17618 8233 25 4 0 1000 syz-executor1 [ 1647.921440] [30488] 0 30488 17618 8234 25 4 0 1000 syz-executor1 [ 1648.059406] [30496] 0 30496 17618 12677 31 3 0 1000 syz-executor5 [ 1648.203727] [30540] 0 30540 17618 8234 25 4 0 1000 syz-executor1 [ 1648.223724] warn_alloc: 14 callbacks suppressed [ 1648.223728] init: page allocation stalls for 30070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.266435] modprobe: page allocation stalls for 30010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.310899] modprobe: page allocation stalls for 30040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.324677] syz-executor3: page allocation stalls for 30060ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.337181] modprobe: page allocation stalls for 30080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.348406] modprobe: page allocation stalls for 30070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.362246] modprobe: page allocation stalls for 30090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.373548] modprobe: page allocation stalls for 30210ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.384718] syz-executor2: page allocation stalls for 30110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.398261] modprobe: page allocation stalls for 30100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1648.431334] [30554] 0 30554 17618 8234 25 4 0 1000 syz-executor1 [ 1648.522821] [30563] 0 30563 17618 12677 31 3 0 1000 syz-executor5 [ 1648.619573] [30583] 0 30583 17618 8234 25 4 0 1000 syz-executor1 [ 1648.649584] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1648.656109] Call Trace: [ 1648.658701] dump_stack+0xb9/0x11b [ 1648.662246] warn_alloc.cold.35+0x9d/0x1b7 [ 1648.666484] ? zone_watermark_ok_safe+0x240/0x240 [ 1648.671327] ? usleep_range+0x130/0x130 [ 1648.675341] __alloc_pages_nodemask+0x1425/0x2280 [ 1648.680405] ? perf_trace_lock+0x11a/0x4c0 [ 1648.684648] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1648.689488] ? check_preemption_disabled+0x34/0x1e0 [ 1648.694512] ? __lock_acquire+0x619/0x4320 [ 1648.698784] ? new_slab+0x358/0x470 [ 1648.702426] new_slab+0x3c0/0x470 [ 1648.705888] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1648.710905] ? getname_flags+0xc4/0x540 [ 1648.714888] ? fs_reclaim_acquire+0x10/0x10 [ 1648.719216] ? check_preemption_disabled+0x34/0x1e0 [ 1648.724234] ? getname_flags+0xc4/0x540 [ 1648.728207] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1648.733655] ? getname_flags+0xc4/0x540 [ 1648.737622] kmem_cache_alloc+0x19e/0x2b0 [ 1648.741771] getname_flags+0xc4/0x540 [ 1648.745578] user_path_at_empty+0x28/0x80 [ 1648.749729] vfs_statx+0xe1/0x180 [ 1648.753191] ? vfs_statx_fd+0x90/0x90 [ 1648.757009] SyS_newstat+0x81/0xf0 [ 1648.760544] ? SyS_fstat+0xe0/0xe0 [ 1648.764096] ? up_read+0x17/0x30 [ 1648.767456] ? __do_page_fault+0x64c/0xb60 [ 1648.771695] ? do_syscall_64+0x43/0x4b0 [ 1648.775668] ? SyS_fstat+0xe0/0xe0 [ 1648.779205] do_syscall_64+0x19b/0x4b0 [ 1648.783102] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1648.788285] RIP: 0033:0x7f810d837c65 [ 1648.791993] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1648.799698] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1648.806960] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1648.814738] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1648.821998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1648.829258] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1648.865088] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1648.871625] Call Trace: [ 1648.874242] dump_stack+0xb9/0x11b [ 1648.877787] warn_alloc.cold.35+0x9d/0x1b7 [ 1648.882038] ? zone_watermark_ok_safe+0x240/0x240 [ 1648.886880] ? usleep_range+0x130/0x130 [ 1648.890899] __alloc_pages_nodemask+0x1425/0x2280 [ 1648.895763] ? get_page_from_freelist+0x756/0x1ea0 [ 1648.900689] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1648.905552] ? __lock_acquire+0x619/0x4320 [ 1648.909802] ? check_preemption_disabled+0x34/0x1e0 [ 1648.914834] ? new_slab+0x358/0x470 [ 1648.918462] new_slab+0x3c0/0x470 [ 1648.921929] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1648.926940] ? getname_flags+0xc4/0x540 [ 1648.930925] ? fs_reclaim_acquire+0x10/0x10 [ 1648.935250] ? check_preemption_disabled+0x34/0x1e0 [ 1648.940267] ? getname_flags+0xc4/0x540 [ 1648.944252] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1648.949700] ? getname_flags+0xc4/0x540 [ 1648.953684] kmem_cache_alloc+0x19e/0x2b0 [ 1648.957830] getname_flags+0xc4/0x540 [ 1648.961651] user_path_at_empty+0x28/0x80 [ 1648.965802] vfs_statx+0xe1/0x180 [ 1648.969277] ? vfs_statx_fd+0x90/0x90 [ 1648.973116] SyS_newstat+0x81/0xf0 [ 1648.976655] ? SyS_fstat+0xe0/0xe0 [ 1648.980206] ? up_read+0x17/0x30 [ 1648.983572] ? __do_page_fault+0x64c/0xb60 [ 1648.987810] ? do_syscall_64+0x43/0x4b0 [ 1648.991791] ? SyS_fstat+0xe0/0xe0 [ 1648.995327] do_syscall_64+0x19b/0x4b0 [ 1648.999223] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1649.004405] RIP: 0033:0x7f5cb3133c65 [ 1649.008112] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1649.015818] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1649.023081] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1649.030364] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1649.037637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1649.044897] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1649.053491] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1649.059997] Call Trace: [ 1649.062588] dump_stack+0xb9/0x11b [ 1649.066134] warn_alloc.cold.35+0x9d/0x1b7 [ 1649.070368] ? zone_watermark_ok_safe+0x240/0x240 [ 1649.075233] ? usleep_range+0x130/0x130 [ 1649.079253] __alloc_pages_nodemask+0x1425/0x2280 [ 1649.084126] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1649.088976] ? __lock_acquire+0x619/0x4320 [ 1649.093222] ? __lock_acquire+0x619/0x4320 [ 1649.097464] ? __lock_acquire+0x619/0x4320 [ 1649.101714] ? new_slab+0x358/0x470 [ 1649.105346] new_slab+0x3c0/0x470 [ 1649.108826] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1649.113838] ? getname_flags+0xc4/0x540 [ 1649.117836] ? fs_reclaim_acquire+0x10/0x10 [ 1649.122162] ? check_preemption_disabled+0x34/0x1e0 [ 1649.127194] ? getname_flags+0xc4/0x540 [ 1649.131171] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1649.136621] ? getname_flags+0xc4/0x540 [ 1649.140592] kmem_cache_alloc+0x19e/0x2b0 [ 1649.144744] getname_flags+0xc4/0x540 [ 1649.148553] user_path_at_empty+0x28/0x80 [ 1649.152702] vfs_statx+0xe1/0x180 [ 1649.156154] ? vfs_statx_fd+0x90/0x90 [ 1649.159954] ? __might_fault+0x104/0x1b0 [ 1649.164017] ? lock_downgrade+0x560/0x560 [ 1649.168161] ? lock_acquire+0x10f/0x380 [ 1649.172151] ? __might_fault+0xd4/0x1b0 [ 1649.176133] SyS_newfstatat+0x89/0x100 [ 1649.180024] ? SyS_newlstat+0xf0/0xf0 [ 1649.183818] ? __might_fault+0x177/0x1b0 [ 1649.187881] ? SyS_getdents+0x1d0/0x270 [ 1649.191865] ? SyS_old_readdir+0x150/0x150 [ 1649.196099] ? compat_fillonedir+0x260/0x260 [ 1649.200516] ? do_syscall_64+0x43/0x4b0 [ 1649.204486] ? SyS_newlstat+0xf0/0xf0 [ 1649.208281] do_syscall_64+0x19b/0x4b0 [ 1649.212188] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1649.217392] RIP: 0033:0x7f7afb061e1a [ 1649.221096] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1649.228805] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1649.236072] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1649.243338] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1649.250615] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1649.257905] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1649.271526] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1649.278027] Call Trace: [ 1649.280611] dump_stack+0xb9/0x11b [ 1649.284186] warn_alloc.cold.35+0x9d/0x1b7 [ 1649.288422] ? zone_watermark_ok_safe+0x240/0x240 [ 1649.293264] ? usleep_range+0x130/0x130 [ 1649.297281] __alloc_pages_nodemask+0x1425/0x2280 [ 1649.302141] ? check_preemption_disabled+0x34/0x1e0 [ 1649.307161] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1649.312012] ? __is_insn_slot_addr+0x139/0x1f0 [ 1649.316602] ? __lock_acquire+0x619/0x4320 [ 1649.320830] ? __lock_acquire+0x619/0x4320 [ 1649.325076] ? depot_save_stack+0x126/0x428 [ 1649.329420] ? perf_trace_lock+0x11a/0x4c0 [ 1649.333652] ? new_slab+0x358/0x470 [ 1649.337281] new_slab+0x3c0/0x470 [ 1649.340747] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1649.345765] ? perf_event_mmap+0x447/0xc30 [ 1649.350011] ? fs_reclaim_acquire+0x10/0x10 [ 1649.354340] ? check_preemption_disabled+0x34/0x1e0 [ 1649.359365] ? perf_event_mmap+0x447/0xc30 [ 1649.363605] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1649.369057] kmem_cache_alloc_trace+0x1c6/0x300 [ 1649.373717] ? perf_event_mmap+0x447/0xc30 [ 1649.377955] perf_event_mmap+0x447/0xc30 [ 1649.382016] ? perf_event_namespaces+0x30/0x30 [ 1649.386610] ? prot_none_test+0x10/0x10 [ 1649.390574] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1649.394735] mprotect_fixup+0x3b2/0x800 [ 1649.398737] ? change_protection+0x50/0x50 [ 1649.402974] ? file_map_prot_check+0x193/0x2c0 [ 1649.407556] ? selinux_file_mprotect+0xf6/0x5c0 [ 1649.412217] ? SyS_mprotect+0x16f/0x610 [ 1649.416247] SyS_mprotect+0x30a/0x610 [ 1649.420079] ? mprotect_fixup+0x800/0x800 [ 1649.424230] ? do_syscall_64+0x43/0x4b0 [ 1649.428198] ? mprotect_fixup+0x800/0x800 [ 1649.432341] do_syscall_64+0x19b/0x4b0 [ 1649.436239] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1649.441449] RIP: 0033:0x7f515b46a447 [ 1649.445151] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1649.452863] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1649.460142] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1649.467403] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1649.474663] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1649.481924] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1649.495649] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1649.502576] Call Trace: [ 1649.505173] dump_stack+0xb9/0x11b [ 1649.508718] warn_alloc.cold.35+0x9d/0x1b7 [ 1649.512952] ? zone_watermark_ok_safe+0x240/0x240 [ 1649.517807] ? usleep_range+0x130/0x130 [ 1649.521844] __alloc_pages_nodemask+0x1425/0x2280 [ 1649.526714] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1649.531565] ? __lock_acquire+0x619/0x4320 [ 1649.535802] ? kasan_slab_free+0xac/0x190 [ 1649.539944] ? kmem_cache_free+0x12d/0x350 [ 1649.544176] ? putname+0xcf/0x100 [ 1649.547621] ? do_rmdir+0x161/0x3a0 [ 1649.551241] ? do_syscall_64+0x19b/0x4b0 [ 1649.555330] ? new_slab+0x358/0x470 [ 1649.558961] new_slab+0x3c0/0x470 [ 1649.562423] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1649.567450] ? getname_flags+0xc4/0x540 [ 1649.571445] ? fs_reclaim_acquire+0x10/0x10 [ 1649.575778] ? check_preemption_disabled+0x34/0x1e0 [ 1649.580806] ? getname_flags+0xc4/0x540 [ 1649.584781] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1649.590229] ? getname_flags+0xc4/0x540 [ 1649.594229] kmem_cache_alloc+0x19e/0x2b0 [ 1649.598396] getname_flags+0xc4/0x540 [ 1649.602201] ? task_work_run+0x6a/0x190 [ 1649.606199] SyS_mkdirat+0x8d/0x220 [ 1649.609824] ? trace_hardirqs_on_caller+0x381/0x520 [ 1649.614842] ? SyS_mknod+0x30/0x30 [ 1649.618396] ? do_syscall_64+0x43/0x4b0 [ 1649.622392] ? SyS_mkdirat+0x220/0x220 [ 1649.626280] do_syscall_64+0x19b/0x4b0 [ 1649.630184] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1649.635368] RIP: 0033:0x456a97 [ 1649.638566] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1649.646269] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1649.653564] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1649.660830] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1649.668095] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1649.675361] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1649.683766] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1649.690257] Call Trace: [ 1649.692845] dump_stack+0xb9/0x11b [ 1649.696398] warn_alloc.cold.35+0x9d/0x1b7 [ 1649.700636] ? zone_watermark_ok_safe+0x240/0x240 [ 1649.705481] ? usleep_range+0x130/0x130 [ 1649.709495] __alloc_pages_nodemask+0x1425/0x2280 [ 1649.714398] ? perf_trace_lock+0x11a/0x4c0 [ 1649.718632] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1649.723491] ? check_preemption_disabled+0x34/0x1e0 [ 1649.728514] ? __lock_acquire+0x619/0x4320 [ 1649.732786] ? new_slab+0x358/0x470 [ 1649.736416] new_slab+0x3c0/0x470 [ 1649.739900] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1649.744913] ? getname_flags+0xc4/0x540 [ 1649.748923] ? fs_reclaim_acquire+0x10/0x10 [ 1649.753248] ? check_preemption_disabled+0x34/0x1e0 [ 1649.758262] ? getname_flags+0xc4/0x540 [ 1649.762238] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1649.767689] ? getname_flags+0xc4/0x540 [ 1649.771660] kmem_cache_alloc+0x19e/0x2b0 [ 1649.775809] getname_flags+0xc4/0x540 [ 1649.779631] user_path_at_empty+0x28/0x80 [ 1649.783795] vfs_statx+0xe1/0x180 [ 1649.787250] ? vfs_statx_fd+0x90/0x90 [ 1649.791065] SyS_newstat+0x81/0xf0 [ 1649.794601] ? SyS_fstat+0xe0/0xe0 [ 1649.798145] ? up_read+0x17/0x30 [ 1649.801525] ? __do_page_fault+0x64c/0xb60 [ 1649.805763] ? do_syscall_64+0x43/0x4b0 [ 1649.809759] ? SyS_fstat+0xe0/0xe0 [ 1649.813308] do_syscall_64+0x19b/0x4b0 [ 1649.817208] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1649.822398] RIP: 0033:0x7faa2689cc65 [ 1649.826101] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1649.833806] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1649.841070] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1649.848331] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1649.855606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1649.862883] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1649.876939] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1649.883465] Call Trace: [ 1649.886095] dump_stack+0xb9/0x11b [ 1649.889652] warn_alloc.cold.35+0x9d/0x1b7 [ 1649.893887] ? zone_watermark_ok_safe+0x240/0x240 [ 1649.898742] ? usleep_range+0x130/0x130 [ 1649.902803] __alloc_pages_nodemask+0x1425/0x2280 [ 1649.907665] ? __kernel_text_address+0x9/0x30 [ 1649.912178] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1649.917031] ? __lock_acquire+0x619/0x4320 [ 1649.921265] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1649.925765] ? kmemdup+0x20/0x50 [ 1649.929130] ? selinux_cred_prepare+0x3e/0x90 [ 1649.933641] ? new_slab+0x358/0x470 [ 1649.937271] new_slab+0x3c0/0x470 [ 1649.940731] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1649.945759] ? getname_flags+0xc4/0x540 [ 1649.949760] ? fs_reclaim_acquire+0x10/0x10 [ 1649.954087] ? check_preemption_disabled+0x34/0x1e0 [ 1649.959100] ? getname_flags+0xc4/0x540 [ 1649.963073] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1649.968519] ? getname_flags+0xc4/0x540 [ 1649.972492] kmem_cache_alloc+0x19e/0x2b0 [ 1649.976641] getname_flags+0xc4/0x540 [ 1649.980447] user_path_at_empty+0x28/0x80 [ 1649.984602] SyS_faccessat+0x20d/0x660 [ 1649.988495] ? SyS_fallocate+0x80/0x80 [ 1649.992413] ? do_syscall_64+0x43/0x4b0 [ 1649.996392] ? SyS_faccessat+0x660/0x660 [ 1650.000454] do_syscall_64+0x19b/0x4b0 [ 1650.004348] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1650.009544] RIP: 0033:0x7fd4ad02d267 [ 1650.013246] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1650.020955] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1650.028219] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1650.035479] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1650.042741] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1650.050006] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1650.071747] CPU: 1 PID: 9320 Comm: modprobe Not tainted 4.14.87+ #21 [ 1650.078248] Call Trace: [ 1650.080834] dump_stack+0xb9/0x11b [ 1650.084388] warn_alloc.cold.35+0x9d/0x1b7 [ 1650.088621] ? zone_watermark_ok_safe+0x240/0x240 [ 1650.093463] ? usleep_range+0x130/0x130 [ 1650.097481] __alloc_pages_nodemask+0x1425/0x2280 [ 1650.102356] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1650.107198] ? HARDIRQ_verbose+0x10/0x10 [ 1650.111258] ? check_preemption_disabled+0x34/0x1e0 [ 1650.116281] ? __lock_acquire+0x619/0x4320 [ 1650.120547] ? perf_trace_lock+0x11a/0x4c0 [ 1650.124775] ? new_slab+0x358/0x470 [ 1650.128415] new_slab+0x3c0/0x470 [ 1650.131881] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1650.136900] ? perf_event_mmap+0x447/0xc30 [ 1650.141161] ? fs_reclaim_acquire+0x10/0x10 [ 1650.145493] ? check_preemption_disabled+0x34/0x1e0 [ 1650.150508] ? perf_event_mmap+0x447/0xc30 [ 1650.154740] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1650.160213] kmem_cache_alloc_trace+0x1c6/0x300 [ 1650.164874] ? perf_event_mmap+0x447/0xc30 [ 1650.169139] perf_event_mmap+0x447/0xc30 [ 1650.173214] ? perf_event_namespaces+0x30/0x30 [ 1650.177812] ? call_rwsem_wake+0x17/0x30 [ 1650.181880] ? up_write+0x4e/0x60 [ 1650.185330] ? vma_link+0xd9/0x160 [ 1650.188875] mmap_region+0x219/0xfb0 [ 1650.192602] ? get_unmapped_area+0x215/0x310 [ 1650.197018] do_mmap+0x551/0xb80 [ 1650.200443] vm_mmap_pgoff+0x180/0x1d0 [ 1650.204339] ? vma_is_stack_for_current+0xb0/0xb0 [ 1650.209203] ? __fget+0x22b/0x3a0 [ 1650.212682] SyS_mmap_pgoff+0xf8/0x1a0 [ 1650.216597] ? align_vdso_addr+0x50/0x50 [ 1650.220659] do_syscall_64+0x19b/0x4b0 [ 1650.224558] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1650.229739] RIP: 0033:0x7ff3430b73ea [ 1650.233441] RSP: 002b:00007fffbd89b948 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 [ 1650.241147] RAX: ffffffffffffffda RBX: 00007ff3432bf9a8 RCX: 00007ff3430b73ea [ 1650.248414] RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007ff342e81000 [ 1650.255674] RBP: 00007fffbd89bca0 R08: 0000000000000000 R09: 0000000000183000 [ 1650.262951] R10: 0000000000000812 R11: 0000000000000206 R12: 00007fffbd89bd88 [ 1650.270217] R13: 0000000000000002 R14: 00007fffbd89b9c0 R15: 00007fffbd89b990 [ 1650.294876] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1650.301810] Call Trace: [ 1650.304403] dump_stack+0xb9/0x11b [ 1650.307950] warn_alloc.cold.35+0x9d/0x1b7 [ 1650.312206] ? zone_watermark_ok_safe+0x240/0x240 [ 1650.317044] ? usleep_range+0x130/0x130 [ 1650.321059] __alloc_pages_nodemask+0x1425/0x2280 [ 1650.325920] ? debug_check_no_obj_freed+0x150/0x77c [ 1650.330986] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1650.335827] ? __lock_acquire+0x619/0x4320 [ 1650.340063] ? __lock_acquire+0x619/0x4320 [ 1650.344309] ? lock_acquire+0x10f/0x380 [ 1650.348281] ? avc_has_perm+0x9e/0x390 [ 1650.352227] ? new_slab+0x358/0x470 [ 1650.355856] new_slab+0x3c0/0x470 [ 1650.359346] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1650.364361] ? __might_fault+0x104/0x1b0 [ 1650.368419] ? getname_flags+0xc4/0x540 [ 1650.372405] ? fs_reclaim_acquire+0x10/0x10 [ 1650.376732] ? check_preemption_disabled+0x34/0x1e0 [ 1650.381745] ? getname_flags+0xc4/0x540 [ 1650.385730] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1650.391181] ? getname_flags+0xc4/0x540 [ 1650.395148] kmem_cache_alloc+0x19e/0x2b0 [ 1650.399303] getname_flags+0xc4/0x540 [ 1650.403101] ? SyS_unlinkat+0x70/0x70 [ 1650.406903] do_unlinkat+0xc9/0x650 [ 1650.410531] ? do_rmdir+0x3a0/0x3a0 [ 1650.414183] ? SyS_newlstat+0x92/0xf0 [ 1650.418009] ? SyS_newstat+0xf0/0xf0 [ 1650.421747] ? do_syscall_64+0x43/0x4b0 [ 1650.425730] ? SyS_unlinkat+0x70/0x70 [ 1650.429528] do_syscall_64+0x19b/0x4b0 [ 1650.433430] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1650.438611] RIP: 0033:0x4573c7 [ 1650.441809] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1650.449547] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1650.456811] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1650.464073] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1650.471334] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1650.478592] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1650.504410] [30593] 0 30593 17618 8234 25 4 0 1000 syz-executor1 [ 1650.516673] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1650.522574] Call Trace: [ 1650.525164] dump_stack+0xb9/0x11b [ 1650.528732] warn_alloc.cold.35+0x9d/0x1b7 [ 1650.532964] ? zone_watermark_ok_safe+0x240/0x240 [ 1650.537807] ? usleep_range+0x130/0x130 [ 1650.541836] __alloc_pages_nodemask+0x1425/0x2280 [ 1650.546708] ? __kernel_text_address+0x9/0x30 [ 1650.551203] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1650.556083] ? __lock_acquire+0x619/0x4320 [ 1650.560321] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1650.564817] ? kmemdup+0x20/0x50 [ 1650.568181] ? selinux_cred_prepare+0x3e/0x90 [ 1650.572693] ? new_slab+0x358/0x470 [ 1650.576323] new_slab+0x3c0/0x470 [ 1650.579782] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1650.584812] ? getname_flags+0xc4/0x540 [ 1650.588796] ? fs_reclaim_acquire+0x10/0x10 [ 1650.593125] ? check_preemption_disabled+0x34/0x1e0 [ 1650.598135] ? getname_flags+0xc4/0x540 [ 1650.602128] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1650.607580] ? getname_flags+0xc4/0x540 [ 1650.611557] kmem_cache_alloc+0x19e/0x2b0 [ 1650.615707] getname_flags+0xc4/0x540 [ 1650.619519] user_path_at_empty+0x28/0x80 [ 1650.623673] SyS_faccessat+0x20d/0x660 [ 1650.627565] ? SyS_fallocate+0x80/0x80 [ 1650.631456] ? do_syscall_64+0x43/0x4b0 [ 1650.635425] ? SyS_faccessat+0x660/0x660 [ 1650.639484] do_syscall_64+0x19b/0x4b0 [ 1650.643390] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1650.648577] RIP: 0033:0x7f413a3c43c7 [ 1650.652284] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1650.659994] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1650.667256] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1650.674523] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1650.681907] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1650.689178] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1650.739558] [30605] 0 30605 17618 8234 25 4 0 1000 syz-executor1 [ 1650.773835] [30617] 0 30617 17618 8234 25 4 0 1000 syz-executor1 [ 1650.790000] [30629] 0 30629 17618 12677 31 3 0 1000 syz-executor5 [ 1650.826944] [30655] 0 30655 17618 8234 25 4 0 1000 syz-executor1 [ 1650.937902] [30665] 0 30665 17618 8234 25 4 0 1000 syz-executor1 [ 1651.095931] [30673] 0 30673 17618 8234 25 4 0 1000 syz-executor1 [ 1651.192587] [30686] 0 30686 17618 8234 25 4 0 1000 syz-executor1 [ 1651.290097] [30693] 0 30693 17618 12677 31 3 0 1000 syz-executor5 [ 1651.299584] [30710] 0 30710 17618 8234 25 4 0 1000 syz-executor1 [ 1651.502872] [30727] 0 30727 17618 8234 25 4 0 1000 syz-executor1 [ 1651.585988] [30738] 0 30738 17618 8234 25 4 0 1000 syz-executor1 [ 1651.610079] [30748] 0 30748 17618 12677 31 3 0 1000 syz-executor5 [ 1651.619553] [30777] 0 30777 17618 12677 31 3 0 1000 syz-executor5 [ 1651.640107] [30794] 0 30794 17585 8200 24 3 0 1000 syz-executor1 [ 1651.649562] [30842] 0 30842 17618 8234 25 4 0 1000 syz-executor1 [ 1651.670087] [30860] 0 30860 17618 12677 31 3 0 1000 syz-executor5 [ 1651.679544] [30864] 3327 30864 17651 8208 28 3 0 1000 syz-executor0 [ 1651.689084] [30883] 0 30883 17618 8234 25 4 0 1000 syz-executor1 [ 1651.690519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1652.025611] [30902] 0 30902 17651 8235 25 4 0 1000 syz-executor1 [ 1652.131710] [30914] 0 30914 17585 8200 24 3 0 1000 syz-executor1 [ 1652.161736] [30916] 0 30916 17618 8203 24 3 0 1000 syz-executor1 [ 1652.186822] [30919] 0 30919 17618 12677 31 3 0 1000 syz-executor5 [ 1652.200095] [30944] 0 30944 17618 8234 25 4 0 1000 syz-executor1 [ 1652.209548] [30958] 0 30958 17618 8234 25 4 0 1000 syz-executor1 [ 1652.233750] [30978] 0 30978 17618 8234 25 4 0 1000 syz-executor1 [ 1652.253628] [30988] 0 30988 17618 12677 31 3 0 1000 syz-executor5 [ 1652.264065] [31004] 0 31004 17618 8234 25 4 0 1000 syz-executor1 [ 1652.493032] [31022] 0 31022 17618 8234 25 4 0 1000 syz-executor1 [ 1652.514047] [31039] 0 31039 17618 12677 31 3 0 1000 syz-executor5 [ 1652.538017] [31060] 0 31060 17618 8234 25 4 0 1000 syz-executor1 [ 1652.575459] [31090] 0 31090 17618 12677 31 3 0 1000 syz-executor5 [ 1652.591627] [31115] 0 31115 17618 12677 31 3 0 1000 syz-executor5 [ 1652.820195] [31130] 0 31130 17618 8234 25 4 0 1000 syz-executor1 [ 1652.829685] [31148] 0 31148 17618 8234 25 4 0 1000 syz-executor1 [ 1653.042418] [31177] 0 31177 17618 12677 31 3 0 1000 syz-executor5 [ 1653.142567] [31268] 0 31268 17618 12677 31 3 0 1000 syz-executor5 [ 1653.240148] [31272] 0 31272 17585 8200 24 3 0 1000 syz-executor1 [ 1653.249623] [31296] 0 31296 17618 8234 25 4 0 1000 syz-executor1 [ 1653.421653] [31312] 0 31312 17618 8233 25 4 0 1000 syz-executor1 [ 1653.450133] [31327] 0 31327 17618 8234 25 4 0 1000 syz-executor1 [ 1653.459619] [31338] 0 31338 17618 12677 31 3 0 1000 syz-executor5 [ 1653.484440] [31387] 0 31387 17816 8253 32 4 0 0 syz-executor4 [ 1653.504421] [31388] 0 31388 17618 8235 25 4 0 1000 syz-executor1 [ 1653.610136] [31394] 0 31394 17618 12677 31 3 0 1000 syz-executor5 [ 1653.619658] [31408] 0 31408 17585 8199 24 3 0 1000 syz-executor1 [ 1653.794423] warn_alloc_show_mem: 7 callbacks suppressed [ 1653.794427] Mem-Info: [ 1653.882635] [31416] 0 31416 17651 8203 24 3 0 1000 syz-executor1 [ 1654.002970] [31457] 0 31457 17618 8234 25 4 0 1000 syz-executor1 [ 1654.032557] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1654.032557] active_file:9 inactive_file:67 isolated_file:0 [ 1654.032557] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1654.032557] slab_reclaimable:6528 slab_unreclaimable:69391 [ 1654.032557] mapped:58654 shmem:851 pagetables:22412 bounce:0 [ 1654.032557] free:5927 free_pcp:0 free_cma:0 [ 1654.173656] [31470] 0 31470 17618 12677 31 3 0 1000 syz-executor5 [ 1654.296271] [31481] 0 31481 17618 8233 25 4 0 1000 syz-executor1 [ 1654.420167] [31520] 0 31520 17618 8234 25 4 0 1000 syz-executor1 [ 1654.429666] [31523] 0 31523 17618 12677 31 3 0 1000 syz-executor5 [ 1654.682690] [31547] 0 31547 17618 8233 25 4 0 1000 syz-executor1 [ 1654.820177] [31559] 0 31559 17618 8234 25 4 0 1000 syz-executor1 [ 1654.829736] [31581] 0 31581 17618 8234 25 4 0 1000 syz-executor1 [ 1654.846762] warn_alloc_show_mem: 7 callbacks suppressed [ 1654.846766] Mem-Info: [ 1655.091228] [31607] 0 31607 17618 8234 25 4 0 1000 syz-executor1 [ 1655.119223] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1655.119223] active_file:25 inactive_file:112 isolated_file:0 [ 1655.119223] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1655.119223] slab_reclaimable:6528 slab_unreclaimable:69434 [ 1655.119223] mapped:58662 shmem:851 pagetables:22412 bounce:0 [ 1655.119223] free:5921 free_pcp:91 free_cma:0 [ 1655.244722] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:48kB inactive_file:336kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234648kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1655.288417] [31617] 0 31617 17618 8234 25 4 0 1000 syz-executor1 [ 1655.421425] [31622] 0 31622 17618 12677 31 3 0 1000 syz-executor5 [ 1655.562703] [31663] 0 31663 17618 12677 31 3 0 1000 syz-executor5 [ 1655.700168] [31709] 0 31709 17618 8234 25 4 0 1000 syz-executor1 [ 1655.709646] [31715] 0 31715 17618 12677 31 3 0 1000 syz-executor5 [ 1655.965329] [31725] 0 31725 17618 8234 25 4 0 1000 syz-executor1 [ 1656.080718] DMA32 free:18856kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:56kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1656.137757] [31726] 0 31726 17618 8237 25 4 0 0 syz-executor4 [ 1656.270305] [31754] 0 31754 17585 8230 24 4 0 1000 syz-executor1 [ 1656.279817] [31756] 0 31756 17585 8193 23 3 0 0 syz-executor4 [ 1656.404194] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:120kB inactive_file:316kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234620kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1656.584841] [31764] 0 31764 17585 8202 24 3 0 0 syz-executor4 [ 1656.724531] [31785] 0 31785 17618 12677 31 3 0 1000 syz-executor5 [ 1656.842870] [31820] 0 31820 17585 8198 24 3 0 1000 syz-executor3 [ 1656.975412] [31833] 0 31833 17618 12677 31 3 0 1000 syz-executor5 [ 1657.102085] [31860] 0 31860 17684 8204 25 3 0 1000 syz-executor3 [ 1657.132730] lowmem_reserve[]: 0 3505 3505 [ 1657.136942] Normal free:4484kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1657.183085] DMA32 free:18668kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:76kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1657.212168] [31918] 0 31918 17618 8233 25 4 0 1000 syz-executor1 [ 1657.276246] [31921] 0 31921 17618 12677 31 3 0 1000 syz-executor5 [ 1657.374249] [31932] 0 31932 17651 8238 26 4 0 1000 syz-executor2 [ 1657.472984] [31945] 0 31945 17618 12677 31 3 0 1000 syz-executor5 [ 1657.714254] [31954] 0 31954 17750 9285 26 3 0 1000 syz-executor0 [ 1657.852600] [31983] 0 31983 17618 8205 24 3 0 0 syz-executor4 [ 1657.996057] [31993] 0 31993 17618 12677 31 3 0 1000 syz-executor5 [ 1658.132017] [31994] 0 31994 17651 8207 24 3 0 0 syz-executor4 [ 1658.177721] lowmem_reserve[]: 0 3505 3505 [ 1658.227242] warn_alloc: 14 callbacks suppressed [ 1658.227246] kthreadd: [ 1658.234479] init: page allocation stalls for 40080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.260096] lowmem_reserve[]: 0 0 0 [ 1658.263766] DMA32: 94*4kB (UMH) 305*8kB (UMH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18576kB [ 1658.284092] modprobe: page allocation stalls for 40030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.297762] modprobe: page allocation stalls for 40020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.315614] modprobe: page allocation stalls for 40040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.331400] modprobe: page allocation stalls for 40040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.342640] syz-executor2: page allocation stalls for 40070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.357527] [32050] 0 32050 17585 8233 26 4 0 1000 syz-executor2 [ 1658.367067] kworker/u4:11: page allocation stalls for 40050ms, order:1, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1658.386862] modprobe: page allocation stalls for 40130ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.404203] syz-executor3: page allocation stalls for 40140ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1658.429287] Normal free:4204kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1658.513501] page allocation stalls for 40030ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1658.529583] [32061] 0 32061 17618 12677 31 3 0 1000 syz-executor5 [ 1658.626525] [32079] 0 32079 17618 8237 27 4 0 1000 syz-executor2 [ 1658.684359] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1658.690905] Call Trace: [ 1658.693497] dump_stack+0xb9/0x11b [ 1658.697042] warn_alloc.cold.35+0x9d/0x1b7 [ 1658.701310] ? zone_watermark_ok_safe+0x240/0x240 [ 1658.706155] ? usleep_range+0x130/0x130 [ 1658.710206] __alloc_pages_nodemask+0x1425/0x2280 [ 1658.715082] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1658.719936] ? __lock_acquire+0x619/0x4320 [ 1658.724165] ? __lock_acquire+0x619/0x4320 [ 1658.728437] ? __lock_acquire+0x619/0x4320 [ 1658.732699] ? new_slab+0x358/0x470 [ 1658.736344] new_slab+0x3c0/0x470 [ 1658.739812] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1658.744826] ? getname_flags+0xc4/0x540 [ 1658.748820] ? fs_reclaim_acquire+0x10/0x10 [ 1658.753147] ? check_preemption_disabled+0x34/0x1e0 [ 1658.758221] ? getname_flags+0xc4/0x540 [ 1658.762199] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1658.767664] ? getname_flags+0xc4/0x540 [ 1658.771631] kmem_cache_alloc+0x19e/0x2b0 [ 1658.775794] getname_flags+0xc4/0x540 [ 1658.779592] user_path_at_empty+0x28/0x80 [ 1658.783750] vfs_statx+0xe1/0x180 [ 1658.787208] ? vfs_statx_fd+0x90/0x90 [ 1658.791005] ? __might_fault+0x104/0x1b0 [ 1658.795066] ? lock_downgrade+0x560/0x560 [ 1658.799224] ? lock_acquire+0x10f/0x380 [ 1658.803199] ? __might_fault+0xd4/0x1b0 [ 1658.807202] SyS_newfstatat+0x89/0x100 [ 1658.811578] ? SyS_newlstat+0xf0/0xf0 [ 1658.815407] ? __might_fault+0x177/0x1b0 [ 1658.819466] ? SyS_getdents+0x1d0/0x270 [ 1658.823445] ? SyS_old_readdir+0x150/0x150 [ 1658.827679] ? compat_fillonedir+0x260/0x260 [ 1658.832097] ? do_syscall_64+0x43/0x4b0 [ 1658.836069] ? SyS_newlstat+0xf0/0xf0 [ 1658.839886] do_syscall_64+0x19b/0x4b0 [ 1658.843788] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1658.848975] RIP: 0033:0x7fe72a00be1a [ 1658.852677] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1658.860407] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1658.867686] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1658.874967] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1658.882283] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1658.889547] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1658.900064] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1658.906575] Call Trace: [ 1658.909165] dump_stack+0xb9/0x11b [ 1658.912744] warn_alloc.cold.35+0x9d/0x1b7 [ 1658.916978] ? zone_watermark_ok_safe+0x240/0x240 [ 1658.921820] ? usleep_range+0x130/0x130 [ 1658.925857] __alloc_pages_nodemask+0x1425/0x2280 [ 1658.930735] ? perf_trace_lock+0x11a/0x4c0 [ 1658.934973] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1658.939818] ? check_preemption_disabled+0x34/0x1e0 [ 1658.944842] ? __lock_acquire+0x619/0x4320 [ 1658.949122] ? new_slab+0x358/0x470 [ 1658.952753] new_slab+0x3c0/0x470 [ 1658.956232] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1658.961249] ? getname_flags+0xc4/0x540 [ 1658.965233] ? fs_reclaim_acquire+0x10/0x10 [ 1658.969560] ? check_preemption_disabled+0x34/0x1e0 [ 1658.974575] ? getname_flags+0xc4/0x540 [ 1658.978546] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1658.984015] ? getname_flags+0xc4/0x540 [ 1658.987987] kmem_cache_alloc+0x19e/0x2b0 [ 1658.992145] getname_flags+0xc4/0x540 [ 1658.995961] user_path_at_empty+0x28/0x80 [ 1659.000124] vfs_statx+0xe1/0x180 [ 1659.003590] ? vfs_statx_fd+0x90/0x90 [ 1659.007453] SyS_newstat+0x81/0xf0 [ 1659.010990] ? SyS_fstat+0xe0/0xe0 [ 1659.014537] ? up_read+0x17/0x30 [ 1659.017916] ? __do_page_fault+0x64c/0xb60 [ 1659.022208] ? do_syscall_64+0x43/0x4b0 [ 1659.026183] ? SyS_fstat+0xe0/0xe0 [ 1659.029714] do_syscall_64+0x19b/0x4b0 [ 1659.033615] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1659.038810] RIP: 0033:0x7faa2689cc65 [ 1659.042529] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1659.050263] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1659.057525] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1659.064800] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1659.072061] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1659.079339] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1659.089964] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1659.096472] Call Trace: [ 1659.099064] dump_stack+0xb9/0x11b [ 1659.102614] warn_alloc.cold.35+0x9d/0x1b7 [ 1659.106851] ? zone_watermark_ok_safe+0x240/0x240 [ 1659.111723] ? usleep_range+0x130/0x130 [ 1659.115783] __alloc_pages_nodemask+0x1425/0x2280 [ 1659.120663] ? check_preemption_disabled+0x34/0x1e0 [ 1659.125699] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1659.130545] ? __is_insn_slot_addr+0x139/0x1f0 [ 1659.135146] ? __lock_acquire+0x619/0x4320 [ 1659.139388] ? __lock_acquire+0x619/0x4320 [ 1659.143650] ? depot_save_stack+0x126/0x428 [ 1659.147987] ? perf_trace_lock+0x11a/0x4c0 [ 1659.152220] ? new_slab+0x358/0x470 [ 1659.155852] new_slab+0x3c0/0x470 [ 1659.159318] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1659.164333] ? perf_event_mmap+0x447/0xc30 [ 1659.168582] ? fs_reclaim_acquire+0x10/0x10 [ 1659.172914] ? check_preemption_disabled+0x34/0x1e0 [ 1659.177935] ? perf_event_mmap+0x447/0xc30 [ 1659.182190] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1659.187645] kmem_cache_alloc_trace+0x1c6/0x300 [ 1659.192327] ? perf_event_mmap+0x447/0xc30 [ 1659.196563] perf_event_mmap+0x447/0xc30 [ 1659.200633] ? perf_event_namespaces+0x30/0x30 [ 1659.205247] ? prot_none_test+0x10/0x10 [ 1659.209215] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1659.213387] mprotect_fixup+0x3b2/0x800 [ 1659.217413] ? change_protection+0x50/0x50 [ 1659.221656] ? file_map_prot_check+0x193/0x2c0 [ 1659.226238] ? selinux_file_mprotect+0xf6/0x5c0 [ 1659.230917] ? SyS_mprotect+0x16f/0x610 [ 1659.234907] SyS_mprotect+0x30a/0x610 [ 1659.238713] ? mprotect_fixup+0x800/0x800 [ 1659.242870] ? do_syscall_64+0x43/0x4b0 [ 1659.246843] ? mprotect_fixup+0x800/0x800 [ 1659.250996] do_syscall_64+0x19b/0x4b0 [ 1659.255004] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1659.260201] RIP: 0033:0x7f515b46a447 [ 1659.263909] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1659.271646] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1659.278920] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1659.286195] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1659.293470] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1659.300739] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1659.313677] CPU: 1 PID: 9320 Comm: modprobe Not tainted 4.14.87+ #21 [ 1659.320207] Call Trace: [ 1659.322798] dump_stack+0xb9/0x11b [ 1659.326348] warn_alloc.cold.35+0x9d/0x1b7 [ 1659.330595] ? zone_watermark_ok_safe+0x240/0x240 [ 1659.335440] ? usleep_range+0x130/0x130 [ 1659.339461] __alloc_pages_nodemask+0x1425/0x2280 [ 1659.344367] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1659.349219] ? HARDIRQ_verbose+0x10/0x10 [ 1659.353287] ? check_preemption_disabled+0x34/0x1e0 [ 1659.358318] ? __lock_acquire+0x619/0x4320 [ 1659.362584] ? perf_trace_lock+0x11a/0x4c0 [ 1659.366816] ? new_slab+0x358/0x470 [ 1659.370447] new_slab+0x3c0/0x470 [ 1659.373920] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1659.378944] ? perf_event_mmap+0x447/0xc30 [ 1659.383225] ? fs_reclaim_acquire+0x10/0x10 [ 1659.387554] ? check_preemption_disabled+0x34/0x1e0 [ 1659.392568] ? perf_event_mmap+0x447/0xc30 [ 1659.396818] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1659.402288] kmem_cache_alloc_trace+0x1c6/0x300 [ 1659.406966] ? perf_event_mmap+0x447/0xc30 [ 1659.411213] perf_event_mmap+0x447/0xc30 [ 1659.415282] ? perf_event_namespaces+0x30/0x30 [ 1659.419876] ? call_rwsem_wake+0x17/0x30 [ 1659.423944] ? up_write+0x4e/0x60 [ 1659.427399] ? vma_link+0xd9/0x160 [ 1659.430950] mmap_region+0x219/0xfb0 [ 1659.434674] ? get_unmapped_area+0x215/0x310 [ 1659.439089] do_mmap+0x551/0xb80 [ 1659.442475] vm_mmap_pgoff+0x180/0x1d0 [ 1659.446393] ? vma_is_stack_for_current+0xb0/0xb0 [ 1659.451262] ? __fget+0x22b/0x3a0 [ 1659.454731] SyS_mmap_pgoff+0xf8/0x1a0 [ 1659.458621] ? align_vdso_addr+0x50/0x50 [ 1659.462682] do_syscall_64+0x19b/0x4b0 [ 1659.466582] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1659.471769] RIP: 0033:0x7ff3430b73ea [ 1659.475478] RSP: 002b:00007fffbd89b948 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 [ 1659.483187] RAX: ffffffffffffffda RBX: 00007ff3432bf9a8 RCX: 00007ff3430b73ea [ 1659.490455] RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007ff342e81000 [ 1659.497718] RBP: 00007fffbd89bca0 R08: 0000000000000000 R09: 0000000000183000 [ 1659.504986] R10: 0000000000000812 R11: 0000000000000206 R12: 00007fffbd89bd88 [ 1659.512253] R13: 0000000000000002 R14: 00007fffbd89b9c0 R15: 00007fffbd89b990 [ 1659.529472] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1659.536433] Call Trace: [ 1659.539027] dump_stack+0xb9/0x11b [ 1659.542575] warn_alloc.cold.35+0x9d/0x1b7 [ 1659.546810] ? zone_watermark_ok_safe+0x240/0x240 [ 1659.551656] ? usleep_range+0x130/0x130 [ 1659.555672] __alloc_pages_nodemask+0x1425/0x2280 [ 1659.560567] ? debug_check_no_obj_freed+0x150/0x77c [ 1659.565584] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1659.570440] ? __lock_acquire+0x619/0x4320 [ 1659.574691] ? __lock_acquire+0x619/0x4320 [ 1659.578922] ? lock_acquire+0x10f/0x380 [ 1659.582898] ? avc_has_perm+0x9e/0x390 [ 1659.586819] ? new_slab+0x358/0x470 [ 1659.590452] new_slab+0x3c0/0x470 [ 1659.593918] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1659.598935] ? __might_fault+0x104/0x1b0 [ 1659.602991] ? getname_flags+0xc4/0x540 [ 1659.606975] ? fs_reclaim_acquire+0x10/0x10 [ 1659.611331] ? check_preemption_disabled+0x34/0x1e0 [ 1659.616370] ? getname_flags+0xc4/0x540 [ 1659.620349] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1659.625804] ? getname_flags+0xc4/0x540 [ 1659.629820] kmem_cache_alloc+0x19e/0x2b0 [ 1659.633973] getname_flags+0xc4/0x540 [ 1659.637771] ? SyS_unlinkat+0x70/0x70 [ 1659.641589] do_unlinkat+0xc9/0x650 [ 1659.645219] ? do_rmdir+0x3a0/0x3a0 [ 1659.648851] ? SyS_newlstat+0x92/0xf0 [ 1659.652651] ? SyS_newstat+0xf0/0xf0 [ 1659.656398] ? do_syscall_64+0x43/0x4b0 [ 1659.660367] ? SyS_unlinkat+0x70/0x70 [ 1659.664192] do_syscall_64+0x19b/0x4b0 [ 1659.668091] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1659.673288] RIP: 0033:0x4573c7 [ 1659.676477] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1659.684208] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1659.691475] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1659.698738] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1659.706000] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1659.713269] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1659.740161] [32124] 0 32124 17618 12677 31 3 0 1000 syz-executor5 [ 1659.749628] [32154] 0 32154 17618 8238 26 4 0 0 syz-executor4 [ 1659.759150] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1659.765642] Call Trace: [ 1659.768227] dump_stack+0xb9/0x11b [ 1659.771769] warn_alloc.cold.35+0x9d/0x1b7 [ 1659.776005] ? zone_watermark_ok_safe+0x240/0x240 [ 1659.780848] ? usleep_range+0x130/0x130 [ 1659.784880] __alloc_pages_nodemask+0x1425/0x2280 [ 1659.789739] ? perf_trace_lock+0x11a/0x4c0 [ 1659.793973] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1659.798843] ? check_preemption_disabled+0x34/0x1e0 [ 1659.803870] ? __lock_acquire+0x619/0x4320 [ 1659.808142] ? new_slab+0x358/0x470 [ 1659.811778] new_slab+0x3c0/0x470 [ 1659.815245] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1659.820258] ? getname_flags+0xc4/0x540 [ 1659.824239] ? fs_reclaim_acquire+0x10/0x10 [ 1659.828566] ? check_preemption_disabled+0x34/0x1e0 [ 1659.833581] ? getname_flags+0xc4/0x540 [ 1659.837558] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1659.843027] ? getname_flags+0xc4/0x540 [ 1659.847013] kmem_cache_alloc+0x19e/0x2b0 [ 1659.851166] getname_flags+0xc4/0x540 [ 1659.854978] user_path_at_empty+0x28/0x80 [ 1659.859150] vfs_statx+0xe1/0x180 [ 1659.862610] ? vfs_statx_fd+0x90/0x90 [ 1659.866428] SyS_newstat+0x81/0xf0 [ 1659.869981] ? SyS_fstat+0xe0/0xe0 [ 1659.873527] ? up_read+0x17/0x30 [ 1659.876887] ? __do_page_fault+0x64c/0xb60 [ 1659.881131] ? do_syscall_64+0x43/0x4b0 [ 1659.885124] ? SyS_fstat+0xe0/0xe0 [ 1659.888693] do_syscall_64+0x19b/0x4b0 [ 1659.892595] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1659.897812] RIP: 0033:0x7f810d837c65 [ 1659.901516] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1659.909219] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1659.916481] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1659.923744] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1659.931006] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1659.938269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1659.948761] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1659.954650] Call Trace: [ 1659.957241] dump_stack+0xb9/0x11b [ 1659.960799] warn_alloc.cold.35+0x9d/0x1b7 [ 1659.965034] ? zone_watermark_ok_safe+0x240/0x240 [ 1659.969890] ? usleep_range+0x130/0x130 [ 1659.973909] __alloc_pages_nodemask+0x1425/0x2280 [ 1659.978770] ? __kernel_text_address+0x9/0x30 [ 1659.983286] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1659.988136] ? __lock_acquire+0x619/0x4320 [ 1659.992392] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1659.996896] ? kmemdup+0x20/0x50 [ 1660.000261] ? selinux_cred_prepare+0x3e/0x90 [ 1660.004772] ? new_slab+0x358/0x470 [ 1660.008421] new_slab+0x3c0/0x470 [ 1660.011887] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1660.016918] ? getname_flags+0xc4/0x540 [ 1660.020916] ? fs_reclaim_acquire+0x10/0x10 [ 1660.025246] ? check_preemption_disabled+0x34/0x1e0 [ 1660.030264] ? getname_flags+0xc4/0x540 [ 1660.034239] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1660.039688] ? getname_flags+0xc4/0x540 [ 1660.043655] kmem_cache_alloc+0x19e/0x2b0 [ 1660.047809] getname_flags+0xc4/0x540 [ 1660.051614] user_path_at_empty+0x28/0x80 [ 1660.055797] SyS_faccessat+0x20d/0x660 [ 1660.059725] ? SyS_fallocate+0x80/0x80 [ 1660.063636] ? do_syscall_64+0x43/0x4b0 [ 1660.067605] ? SyS_faccessat+0x660/0x660 [ 1660.071666] do_syscall_64+0x19b/0x4b0 [ 1660.075567] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1660.080763] RIP: 0033:0x7f413a3c43c7 [ 1660.084483] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1660.092188] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1660.099451] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1660.106745] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1660.114007] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1660.121267] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1660.134297] CPU: 1 PID: 9339 Comm: kworker/u4:11 Not tainted 4.14.87+ #21 [ 1660.141241] Call Trace: [ 1660.143859] dump_stack+0xb9/0x11b [ 1660.147410] warn_alloc.cold.35+0x9d/0x1b7 [ 1660.151661] ? zone_watermark_ok_safe+0x240/0x240 [ 1660.156549] __alloc_pages_nodemask+0x1425/0x2280 [ 1660.161438] ? call_usermodehelper_exec_async+0x289/0x4b0 [ 1660.166971] ? ret_from_fork+0x3a/0x50 [ 1660.170858] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1660.175739] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1660.180748] ? HARDIRQ_verbose+0x10/0x10 [ 1660.184846] __get_free_pages+0x13/0xa0 [ 1660.188814] pgd_alloc+0x1f/0x3a0 [ 1660.192267] mm_init+0x514/0x800 [ 1660.195632] mm_alloc+0xa1/0xc0 [ 1660.198913] do_execveat_common.isra.14+0xa71/0x1d60 [ 1660.204017] ? fs_reclaim_acquire+0x10/0x10 [ 1660.208364] ? prepare_bprm_creds+0x110/0x110 [ 1660.212866] ? rcu_read_lock_sched_held+0x102/0x120 [ 1660.217892] do_execve+0x2c/0x40 [ 1660.221278] call_usermodehelper_exec_async+0x289/0x4b0 [ 1660.226638] ? umh_complete+0x80/0x80 [ 1660.230443] ret_from_fork+0x3a/0x50 [ 1660.247062] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1660.254021] Call Trace: [ 1660.256612] dump_stack+0xb9/0x11b [ 1660.260156] warn_alloc.cold.35+0x9d/0x1b7 [ 1660.264422] ? zone_watermark_ok_safe+0x240/0x240 [ 1660.269264] ? usleep_range+0x130/0x130 [ 1660.273280] __alloc_pages_nodemask+0x1425/0x2280 [ 1660.278150] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1660.283008] ? __lock_acquire+0x619/0x4320 [ 1660.287242] ? kasan_slab_free+0xac/0x190 [ 1660.291391] ? kmem_cache_free+0x12d/0x350 [ 1660.295622] ? putname+0xcf/0x100 [ 1660.299065] ? do_rmdir+0x161/0x3a0 [ 1660.302691] ? do_syscall_64+0x19b/0x4b0 [ 1660.306777] ? new_slab+0x358/0x470 [ 1660.310410] new_slab+0x3c0/0x470 [ 1660.313870] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1660.318879] ? getname_flags+0xc4/0x540 [ 1660.322877] ? fs_reclaim_acquire+0x10/0x10 [ 1660.327202] ? check_preemption_disabled+0x34/0x1e0 [ 1660.332211] ? getname_flags+0xc4/0x540 [ 1660.336203] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1660.341653] ? getname_flags+0xc4/0x540 [ 1660.345624] kmem_cache_alloc+0x19e/0x2b0 [ 1660.349806] getname_flags+0xc4/0x540 [ 1660.353601] ? task_work_run+0x6a/0x190 [ 1660.357580] SyS_mkdirat+0x8d/0x220 [ 1660.361222] ? trace_hardirqs_on_caller+0x381/0x520 [ 1660.366252] ? SyS_mknod+0x30/0x30 [ 1660.369808] ? do_syscall_64+0x43/0x4b0 [ 1660.373776] ? SyS_mkdirat+0x220/0x220 [ 1660.377658] do_syscall_64+0x19b/0x4b0 [ 1660.381572] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1660.386754] RIP: 0033:0x456a97 [ 1660.389979] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1660.397677] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1660.404943] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1660.412203] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1660.419468] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1660.426726] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1660.477709] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1660.483964] Call Trace: [ 1660.486558] dump_stack+0xb9/0x11b [ 1660.490106] warn_alloc.cold.35+0x9d/0x1b7 [ 1660.494344] ? zone_watermark_ok_safe+0x240/0x240 [ 1660.499244] __alloc_pages_nodemask+0x1425/0x2280 [ 1660.504110] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1660.509039] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1660.513889] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1660.519079] ? copy_process.part.6+0x1435/0x6530 [ 1660.523869] ? rcu_read_lock_sched_held+0x102/0x120 [ 1660.528891] copy_process.part.6+0x267/0x6530 [ 1660.533442] ? __lock_acquire+0x619/0x4320 [ 1660.537711] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1660.542814] ? kthread_create_on_node+0xe0/0xe0 [ 1660.547485] ? __cleanup_sighand+0x40/0x40 [ 1660.551747] ? perf_trace_lock+0x11a/0x4c0 [ 1660.555976] ? check_preemption_disabled+0x34/0x1e0 [ 1660.560997] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1660.565936] _do_fork+0x1c2/0xd50 [ 1660.569400] ? kthread_create_on_node+0xe0/0xe0 [ 1660.574072] ? fork_idle+0x250/0x250 [ 1660.577785] ? kthreadd+0x28a/0x3d0 [ 1660.581416] ? lock_downgrade+0x560/0x560 [ 1660.585555] ? lock_acquire+0x10f/0x380 [ 1660.589522] ? kthreadd+0x1c4/0x3d0 [ 1660.593171] ? kthread_create_on_node+0xe0/0xe0 [ 1660.597843] kernel_thread+0x2f/0x40 [ 1660.601555] kthreadd+0x29e/0x3d0 [ 1660.605008] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1660.609760] ? finish_task_switch+0x1e6/0x610 [ 1660.614267] ? __switch_to_asm+0x34/0x70 [ 1660.618336] ? __switch_to_asm+0x40/0x70 [ 1660.622417] ? __switch_to_asm+0x34/0x70 [ 1660.626470] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1660.631226] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1660.635988] ret_from_fork+0x3a/0x50 [ 1660.670002] Normal: 107*4kB (MH) 232*8kB (UMH) 100*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4012kB [ 1660.764987] [32157] 0 32157 17618 8233 25 4 0 1000 syz-executor3 [ 1660.856888] [32161] 0 32161 17585 8199 24 3 0 1000 syz-executor3 [ 1660.953349] [32187] 0 32187 17816 8247 32 4 0 1000 syz-executor3 [ 1661.008416] 10560 total pagecache pages [ 1661.036131] lowmem_reserve[]: 0 0 0 [ 1661.039799] DMA32: 94*4kB (UMH) 305*8kB (UMH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18576kB [ 1661.068946] [32198] 0 32198 17618 12677 31 3 0 1000 syz-executor5 [ 1661.115217] 0 pages in swap cache [ 1661.118698] Swap cache stats: add 0, delete 0, find 0/0 [ 1661.172521] [32205] 0 32205 17684 8221 25 4 0 1000 syz-executor1 [ 1661.274606] [32210] 0 32210 17684 8221 25 4 0 1000 syz-executor1 [ 1661.345872] Free swap = 0kB [ 1661.348924] Total swap = 0kB [ 1661.384446] [32295] 0 32295 17618 12677 31 3 0 1000 syz-executor5 [ 1661.479739] [32322] 0 32322 17618 12677 31 3 0 1000 syz-executor5 [ 1661.501826] Normal: 107*4kB (MH) 201*8kB (UMH) 100*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3764kB [ 1661.522576] 1965979 pages RAM [ 1661.525684] 0 pages HighMem/MovableOnly [ 1661.529660] 315641 pages reserved [ 1661.589152] [32390] 0 32390 17618 12677 31 3 0 1000 syz-executor1 [ 1661.682459] [32392] 0 32392 17618 12677 31 3 0 1000 syz-executor5 [ 1661.784435] [32435] 0 32435 17651 8234 25 4 0 1000 syz-executor3 [ 1661.835770] 10560 total pagecache pages [ 1661.890870] [32449] 0 32449 17618 12677 31 3 0 1000 syz-executor5 [ 1661.948571] 0 pages in swap cache [ 1661.983946] [32479] 0 32479 17618 8236 25 4 0 0 syz-executor4 [ 1662.031918] Swap cache stats: add 0, delete 0, find 0/0 [ 1662.037310] Free swap = 0kB [ 1662.084359] [32517] 0 32517 17618 12677 31 3 0 1000 syz-executor5 [ 1662.184319] [32556] 0 32556 17585 8191 24 3 0 1000 syz-executor2 [ 1662.249638] Total swap = 0kB [ 1662.284997] [32559] 0 32559 17585 8200 25 3 0 1000 syz-executor2 [ 1662.331118] 1965979 pages RAM [ 1662.334240] 0 pages HighMem/MovableOnly [ 1662.338218] 315641 pages reserved [ 1662.398972] [32573] 0 32573 17618 12677 31 3 0 1000 syz-executor5 [ 1662.493796] [32593] 0 32593 17618 8234 26 4 0 1000 syz-executor2 [ 1662.593751] [32628] 0 32628 17618 12677 31 3 0 1000 syz-executor5 [ 1662.693749] [32681] 0 32681 17618 12677 31 3 0 1000 syz-executor5 [ 1662.796328] [32720] 0 32720 17618 12677 31 3 0 1000 syz-executor5 [ 1662.887230] [ 316] 0 316 17618 12677 31 3 0 1000 syz-executor5 [ 1662.994700] [ 396] 0 396 17618 12677 31 3 0 1000 syz-executor5 [ 1663.091609] [ 454] 0 454 17618 12677 31 3 0 1000 syz-executor5 [ 1663.163492] warn_alloc_show_mem: 1 callbacks suppressed [ 1663.163496] Mem-Info: [ 1663.198255] [ 506] 0 506 17618 12677 31 3 0 1000 syz-executor5 [ 1663.306863] [ 579] 0 579 17618 12677 31 3 0 1000 syz-executor5 [ 1663.380103] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1663.380103] active_file:82 inactive_file:84 isolated_file:0 [ 1663.380103] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1663.380103] slab_reclaimable:6528 slab_unreclaimable:69897 [ 1663.380103] mapped:58711 shmem:851 pagetables:22412 bounce:0 [ 1663.380103] free:5430 free_pcp:19 free_cma:0 [ 1663.434569] [ 600] 0 600 17651 8235 25 4 0 1000 syz-executor3 [ 1663.540469] [ 602] 0 602 17585 8199 24 3 0 1000 syz-executor3 [ 1663.549949] [ 634] 0 634 17618 12677 31 3 0 1000 syz-executor5 [ 1663.733966] [ 685] 0 685 17618 12677 31 3 0 1000 syz-executor5 [ 1663.842629] [ 733] 0 733 17618 12677 31 3 0 1000 syz-executor5 [ 1663.945681] [ 758] 0 758 17618 12677 31 3 0 1000 syz-executor5 [ 1664.045737] [ 768] 0 768 17618 8237 25 4 0 1000 syz-executor1 [ 1664.135416] [ 786] 0 786 17618 8232 25 4 0 1000 syz-executor3 [ 1664.247406] [ 790] 0 790 17618 8232 25 4 0 1000 syz-executor3 [ 1664.279944] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:328kB inactive_file:336kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234844kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1664.360407] [ 812] 0 812 17618 12677 31 3 0 1000 syz-executor5 [ 1664.369870] [ 851] 0 851 17651 8239 26 4 0 1000 syz-executor2 [ 1664.566445] [ 905] 0 905 17618 8238 26 4 0 1000 syz-executor2 [ 1664.660830] [ 908] 0 908 17618 12677 31 3 0 1000 syz-executor5 [ 1664.766525] [ 961] 0 961 17618 12677 31 3 0 1000 syz-executor5 [ 1664.865110] [ 1013] 0 1013 17618 12677 31 3 0 1000 syz-executor5 [ 1664.881968] Mem-Info: [ 1664.884407] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1664.884407] active_file:82 inactive_file:84 isolated_file:0 [ 1664.884407] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1664.884407] slab_reclaimable:6528 slab_unreclaimable:70011 [ 1664.884407] mapped:58711 shmem:851 pagetables:22412 bounce:0 [ 1664.884407] free:5306 free_pcp:25 free_cma:0 [ 1664.949444] DMA32 free:18576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:280kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1665.026812] [ 1067] 0 1067 17618 12677 31 3 0 1000 syz-executor5 [ 1665.061863] [ 1088] 0 1088 17585 8199 24 3 0 1000 syz-executor3 [ 1665.071421] [ 1090] 0 1090 17585 8231 25 4 0 1000 syz-executor3 [ 1665.090109] [ 1129] 0 1129 17618 12677 31 3 0 1000 syz-executor5 [ 1665.099563] [ 1194] 0 1194 17618 12677 31 3 0 1000 syz-executor5 [ 1665.121709] [ 1245] 0 1245 17618 12677 31 3 0 1000 syz-executor5 [ 1665.134429] [ 1271] 0 1271 17585 8230 25 4 0 1000 syz-executor3 [ 1665.150107] lowmem_reserve[]: 0 3505 3505 [ 1665.154312] Normal free:2400kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:172kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:48kB local_pcp:48kB free_cma:0kB [ 1665.190092] [ 1280] 0 1280 17618 8233 26 4 0 1000 syz-executor3 [ 1665.199555] [ 1316] 0 1316 17618 12677 31 3 0 1000 syz-executor5 [ 1665.220130] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:328kB inactive_file:320kB unevictable:74848kB isolated(anon):0kB isolated(file):44kB mapped:234844kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1665.245912] [ 1368] 0 1368 17618 12677 31 3 0 1000 syz-executor5 [ 1665.257688] [ 1417] 0 1417 17651 8236 25 4 0 1000 syz-executor1 [ 1665.271812] [ 1430] 0 1430 17618 12677 31 3 0 1000 syz-executor5 [ 1665.290070] [ 1456] 0 1456 17717 8242 25 4 0 0 syz-executor4 [ 1665.299536] [ 1493] 0 1493 17618 12677 31 3 0 1000 syz-executor5 [ 1665.320108] [ 1574] 0 1574 17618 12677 31 3 0 1000 syz-executor5 [ 1665.329577] [ 1598] 0 1598 17618 12677 31 3 0 1000 syz-executor5 [ 1665.340160] DMA32 free:18576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:280kB inactive_file:148kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1665.380096] lowmem_reserve[]: 0 0 0 [ 1665.383749] DMA32: 94*4kB (UMH) 305*8kB (UMH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18576kB [ 1665.397511] [ 1686] 0 1686 17651 8234 25 4 0 1000 syz-executor3 [ 1665.410114] [ 1707] 0 1707 17618 12677 31 3 0 1000 syz-executor5 [ 1665.419564] [ 1764] 0 1764 17618 12677 31 3 0 1000 syz-executor5 [ 1665.440115] [ 1866] 0 1866 17618 12677 31 3 0 1000 syz-executor5 [ 1665.449568] [ 1899] 0 1899 17651 8234 25 4 0 1000 syz-executor1 [ 1665.470072] Normal: 107*4kB (MH) 20*8kB (UMH) 82*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2028kB [ 1665.483509] [ 1907] 0 1907 17618 12677 31 3 0 1000 syz-executor5 [ 1665.494306] lowmem_reserve[]: 0 3505 3505 [ 1665.498490] Normal free:2028kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:172kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1665.529161] [ 1908] 0 1908 17585 8232 24 3 0 1000 syz-executor2 [ 1665.556018] [ 1918] 0 1918 17651 8239 28 3 0 1000 syz-executor2 [ 1665.565583] 10560 total pagecache pages [ 1665.569560] 0 pages in swap cache [ 1665.573056] [ 1937] 0 1937 17585 8232 24 3 0 1000 syz-executor2 [ 1665.582596] [ 1964] 0 1964 17585 8232 24 3 0 1000 syz-executor2 [ 1665.592139] Swap cache stats: add 0, delete 0, find 0/0 [ 1665.597540] Free swap = 0kB [ 1665.611349] [ 1979] 0 1979 17585 8232 24 3 0 1000 syz-executor2 [ 1665.620907] [ 1983] 0 1983 17618 12677 31 3 0 1000 syz-executor5 [ 1665.630400] Total swap = 0kB [ 1665.633413] 1965979 pages RAM [ 1665.636506] 0 pages HighMem/MovableOnly [ 1665.650998] [ 2008] 0 2008 17718 8241 26 4 0 1000 syz-executor1 [ 1665.660924] [ 2057] 0 2057 17618 12677 31 3 0 1000 syz-executor5 [ 1665.680117] 315641 pages reserved [ 1665.685267] [ 2183] 0 2183 17783 8247 31 4 0 0 syz-executor4 [ 1665.694768] lowmem_reserve[]: 0 0 0 [ 1665.698414] DMA32: 88*4kB (MH) 246*8kB (UMH) 843*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18080kB [ 1665.711869] [ 2199] 0 2199 17618 12677 31 3 0 1000 syz-executor5 [ 1665.731441] [ 2234] 0 2234 17585 8198 24 3 0 1000 syz-executor3 [ 1665.740957] [ 2248] 0 2248 17717 8206 27 3 0 1000 syz-executor3 [ 1665.760434] [ 2345] 0 2345 17585 8231 26 4 0 1000 syz-executor1 [ 1665.769907] [ 2435] 0 2435 17618 8235 25 4 0 1000 syz-executor1 [ 1665.779443] Normal: 107*4kB (MH) 20*8kB (UMH) 82*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2028kB [ 1665.800464] [ 2452] 0 2452 17684 8241 27 4 0 1000 syz-executor2 [ 1665.811842] [ 2535] 0 2535 17585 8193 23 3 0 0 syz-executor4 [ 1665.830112] [ 2536] 0 2536 17618 8204 24 3 0 0 syz-executor4 [ 1665.839570] [ 2556] 0 2556 17618 12707 31 3 0 1000 syz-executor5 [ 1665.849130] 10560 total pagecache pages [ 1665.853701] 0 pages in swap cache [ 1665.857167] Swap cache stats: add 0, delete 0, find 0/0 [ 1665.870104] [ 2575] 0 2575 17651 8237 26 4 0 1000 syz-executor2 [ 1665.879592] [ 2625] 0 2625 17585 8199 24 3 0 1000 syz-executor1 [ 1665.900057] Free swap = 0kB [ 1665.903074] Total swap = 0kB [ 1665.906092] 1965979 pages RAM [ 1665.909185] 0 pages HighMem/MovableOnly [ 1665.919579] [ 2898] 0 2898 17618 8238 26 4 0 0 syz-executor4 [ 1665.947421] [ 3022] 0 3022 17585 8203 24 3 0 0 syz-executor4 [ 1665.956923] [ 3052] 0 3052 17783 8216 24 3 0 0 syz-executor4 [ 1665.980100] [ 3085] 0 3085 17651 8235 25 4 0 1000 syz-executor3 [ 1665.989560] [ 3222] 0 3222 17618 8237 27 4 0 1000 syz-executor2 [ 1665.999046] 315641 pages reserved [ 1666.004249] [ 3227] 0 3227 17618 8237 27 4 0 1000 syz-executor2 [ 1666.020099] [ 3246] 0 3246 17651 8237 26 4 0 1000 syz-executor2 [ 1666.029554] [ 3249] 0 3249 17651 8237 25 3 0 1000 syz-executor2 [ 1666.051639] [ 3263] 0 3263 17651 8237 26 4 0 1000 syz-executor2 [ 1666.064030] [ 3264] 0 3264 17651 8237 25 3 0 1000 syz-executor2 [ 1666.080233] [ 3532] 0 3532 17618 8233 26 4 0 1000 syz-executor3 [ 1666.089684] [ 3637] 0 3637 17651 8240 25 4 0 0 syz-executor4 [ 1666.114641] [ 3641] 0 3641 17583 8230 25 4 0 1000 syz-executor1 [ 1666.365776] [ 3792] 0 3792 17618 12677 31 3 0 1000 syz-executor5 [ 1666.522641] [ 3864] 0 3864 17618 12677 31 3 0 1000 syz-executor5 [ 1666.567078] warn_alloc: 14 callbacks suppressed [ 1666.567083] cron: [ 1666.662860] [ 4057] 0 4057 17585 8200 25 3 0 1000 syz-executor0 [ 1666.757815] page allocation stalls for 10080ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1666.851140] [ 4062] 0 4062 17618 8202 25 3 0 1000 syz-executor0 [ 1666.971768] [ 4256] 0 4256 17585 8203 24 3 0 0 syz-executor4 [ 1666.996970] [ 4279] 0 4279 17684 8796 25 3 0 0 syz-executor4 [ 1667.010106] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1667.016248] Call Trace: [ 1667.018838] dump_stack+0xb9/0x11b [ 1667.022409] warn_alloc.cold.35+0x9d/0x1b7 [ 1667.026645] ? zone_watermark_ok_safe+0x240/0x240 [ 1667.031490] ? usleep_range+0x130/0x130 [ 1667.035467] ? do_try_to_free_pages+0xde0/0xde0 [ 1667.040164] __alloc_pages_nodemask+0x1425/0x2280 [ 1667.045038] ? check_preemption_disabled+0x34/0x1e0 [ 1667.050054] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1667.054900] ? find_get_entry+0x118/0x550 [ 1667.059080] ? check_preemption_disabled+0x34/0x1e0 [ 1667.064102] ? check_preemption_disabled+0x34/0x1e0 [ 1667.069121] ? find_get_entry+0x13f/0x550 [ 1667.073276] ? pagecache_get_page+0x129/0x770 [ 1667.077790] filemap_fault+0xcdd/0x14a0 [ 1667.081800] ext4_filemap_fault+0x7d/0xb0 [ 1667.085962] __do_fault+0x80/0x210 [ 1667.089501] __handle_mm_fault+0x991/0x25f0 [ 1667.093828] ? vm_insert_page+0x6d0/0x6d0 [ 1667.097973] ? HARDIRQ_verbose+0x10/0x10 [ 1667.102026] ? HARDIRQ_verbose+0x10/0x10 [ 1667.106109] ? free_object+0xe4/0x240 [ 1667.109934] ? check_preemption_disabled+0x34/0x1e0 [ 1667.114955] handle_mm_fault+0x2f2/0x6eb [ 1667.119040] __do_page_fault+0x45d/0xb60 [ 1667.123136] ? retint_user+0x18/0x18 [ 1667.126844] ? bad_area_access_error+0x330/0x330 [ 1667.131596] ? page_fault+0x2c/0x50 [ 1667.135219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1667.140061] ? page_fault+0x2c/0x50 [ 1667.143684] page_fault+0x42/0x50 [ 1667.147133] RIP: 60882280: (null) [ 1667.151354] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1667.235682] [ 4321] 0 4321 17585 8200 25 3 0 1000 syz-executor1 [ 1667.295265] [ 4343] 0 4343 17684 8206 25 3 0 1000 syz-executor1 [ 1667.470829] [ 4394] 0 4394 17684 8237 27 4 0 1000 syz-executor3 [ 1667.542615] [ 4495] 0 4495 17618 12707 31 3 0 1000 syz-executor5 [ 1667.754457] [ 4723] 0 4723 17618 8238 26 4 0 0 syz-executor4 [ 1667.904815] [ 4725] 0 4725 17618 8238 26 4 0 0 syz-executor4 [ 1668.057110] [ 4786] 0 4786 17618 8232 25 4 0 1000 syz-executor3 [ 1668.194454] [ 4794] 0 4794 17618 8232 25 4 0 1000 syz-executor3 [ 1668.209269] init: page allocation stalls for 50050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1668.302098] kworker/u4:9: page allocation stalls for 50050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1668.316291] kthreadd: page allocation stalls for 50120ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1668.338728] rs:main Q:Reg: page allocation stalls for 10090ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1668.354978] modprobe: page allocation stalls for 50190ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1668.370754] syz-executor2: page allocation stalls for 50100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1668.382358] syz-fuzzer: page allocation stalls for 10170ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1668.394640] [ 4830] 0 4830 17651 8236 26 4 0 1000 syz-executor0 [ 1668.406131] syz-fuzzer: page allocation stalls for 10180ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1668.418401] syz-executor3: page allocation stalls for 50150ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1668.520085] [ 4846] 0 4846 17618 8239 26 4 0 1000 syz-executor2 [ 1668.529555] [ 4861] 0 4861 17585 8233 26 4 0 1000 syz-executor2 [ 1668.625651] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1668.631564] Call Trace: [ 1668.634152] dump_stack+0xb9/0x11b [ 1668.637702] warn_alloc.cold.35+0x9d/0x1b7 [ 1668.641949] ? zone_watermark_ok_safe+0x240/0x240 [ 1668.646787] ? usleep_range+0x130/0x130 [ 1668.650797] __alloc_pages_nodemask+0x1425/0x2280 [ 1668.655652] ? __kernel_text_address+0x9/0x30 [ 1668.660146] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1668.664997] ? __lock_acquire+0x619/0x4320 [ 1668.669242] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1668.673737] ? kmemdup+0x20/0x50 [ 1668.677478] ? selinux_cred_prepare+0x3e/0x90 [ 1668.682005] ? new_slab+0x358/0x470 [ 1668.685635] new_slab+0x3c0/0x470 [ 1668.689094] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1668.694104] ? getname_flags+0xc4/0x540 [ 1668.698090] ? fs_reclaim_acquire+0x10/0x10 [ 1668.702423] ? check_preemption_disabled+0x34/0x1e0 [ 1668.707446] ? getname_flags+0xc4/0x540 [ 1668.711417] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1668.716895] ? getname_flags+0xc4/0x540 [ 1668.720878] kmem_cache_alloc+0x19e/0x2b0 [ 1668.725029] getname_flags+0xc4/0x540 [ 1668.728835] user_path_at_empty+0x28/0x80 [ 1668.732986] SyS_faccessat+0x20d/0x660 [ 1668.736885] ? SyS_fallocate+0x80/0x80 [ 1668.740791] ? do_syscall_64+0x43/0x4b0 [ 1668.744761] ? SyS_faccessat+0x660/0x660 [ 1668.748838] do_syscall_64+0x19b/0x4b0 [ 1668.752747] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1668.757947] RIP: 0033:0x7f413a3c43c7 [ 1668.761650] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1668.769352] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1668.776615] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1668.783877] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1668.791142] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1668.798406] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1668.892110] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1668.898983] Call Trace: [ 1668.901572] dump_stack+0xb9/0x11b [ 1668.905133] warn_alloc.cold.35+0x9d/0x1b7 [ 1668.909366] ? zone_watermark_ok_safe+0x240/0x240 [ 1668.914214] ? usleep_range+0x130/0x130 [ 1668.918238] __alloc_pages_nodemask+0x1425/0x2280 [ 1668.923513] ? perf_trace_lock+0x11a/0x4c0 [ 1668.927763] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1668.932605] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1668.937569] ? __lock_acquire+0x619/0x4320 [ 1668.941830] ? perf_trace_lock+0x11a/0x4c0 [ 1668.946063] ? new_slab+0x358/0x470 [ 1668.949691] new_slab+0x3c0/0x470 [ 1668.953156] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1668.958169] ? debug_object_deactivate+0x340/0x340 [ 1668.963101] ? getname_kernel+0x4e/0x340 [ 1668.967172] ? fs_reclaim_acquire+0x10/0x10 [ 1668.971504] ? check_preemption_disabled+0x34/0x1e0 [ 1668.976521] ? getname_kernel+0x4e/0x340 [ 1668.980604] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1668.986051] ? getname_kernel+0x4e/0x340 [ 1668.990112] kmem_cache_alloc+0x19e/0x2b0 [ 1668.994261] getname_kernel+0x4e/0x340 [ 1668.998148] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1669.003525] ? umh_complete+0x80/0x80 [ 1669.007328] ret_from_fork+0x3a/0x50 [ 1669.027749] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1669.034248] Call Trace: [ 1669.036833] dump_stack+0xb9/0x11b [ 1669.040376] warn_alloc.cold.35+0x9d/0x1b7 [ 1669.044621] ? zone_watermark_ok_safe+0x240/0x240 [ 1669.049460] ? usleep_range+0x130/0x130 [ 1669.053477] __alloc_pages_nodemask+0x1425/0x2280 [ 1669.058338] ? __kernel_text_address+0x9/0x30 [ 1669.062852] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1669.067702] ? __lock_acquire+0x619/0x4320 [ 1669.071944] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1669.076441] ? kmemdup+0x20/0x50 [ 1669.079831] ? selinux_cred_prepare+0x3e/0x90 [ 1669.084346] ? new_slab+0x358/0x470 [ 1669.087979] new_slab+0x3c0/0x470 [ 1669.091444] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1669.096473] ? getname_flags+0xc4/0x540 [ 1669.100516] ? fs_reclaim_acquire+0x10/0x10 [ 1669.104839] ? check_preemption_disabled+0x34/0x1e0 [ 1669.109850] ? getname_flags+0xc4/0x540 [ 1669.113821] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1669.119270] ? getname_flags+0xc4/0x540 [ 1669.123241] kmem_cache_alloc+0x19e/0x2b0 [ 1669.127402] getname_flags+0xc4/0x540 [ 1669.131215] user_path_at_empty+0x28/0x80 [ 1669.135367] SyS_faccessat+0x20d/0x660 [ 1669.139271] ? SyS_fallocate+0x80/0x80 [ 1669.143165] ? do_syscall_64+0x43/0x4b0 [ 1669.147139] ? SyS_faccessat+0x660/0x660 [ 1669.151204] do_syscall_64+0x19b/0x4b0 [ 1669.155101] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1669.160287] RIP: 0033:0x7fd4ad02d267 [ 1669.163995] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1669.171709] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1669.178979] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1669.186243] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1669.193506] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1669.200772] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1669.211328] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1669.217567] Call Trace: [ 1669.220162] dump_stack+0xb9/0x11b [ 1669.223716] warn_alloc.cold.35+0x9d/0x1b7 [ 1669.227956] ? zone_watermark_ok_safe+0x240/0x240 [ 1669.232852] __alloc_pages_nodemask+0x1425/0x2280 [ 1669.237721] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1669.242656] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1669.247508] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1669.252707] ? copy_process.part.6+0x1435/0x6530 [ 1669.257503] ? rcu_read_lock_sched_held+0x102/0x120 [ 1669.262529] copy_process.part.6+0x267/0x6530 [ 1669.267049] ? __lock_acquire+0x619/0x4320 [ 1669.271299] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1669.276421] ? kthread_create_on_node+0xe0/0xe0 [ 1669.281110] ? __cleanup_sighand+0x40/0x40 [ 1669.285355] ? perf_trace_lock+0x11a/0x4c0 [ 1669.289610] ? check_preemption_disabled+0x34/0x1e0 [ 1669.294642] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1669.299587] _do_fork+0x1c2/0xd50 [ 1669.303066] ? kthread_create_on_node+0xe0/0xe0 [ 1669.307751] ? fork_idle+0x250/0x250 [ 1669.311476] ? kthreadd+0x28a/0x3d0 [ 1669.315109] ? lock_downgrade+0x560/0x560 [ 1669.319259] ? lock_acquire+0x10f/0x380 [ 1669.323236] ? kthreadd+0x1c4/0x3d0 [ 1669.326879] ? kthread_create_on_node+0xe0/0xe0 [ 1669.331550] kernel_thread+0x2f/0x40 [ 1669.335281] kthreadd+0x29e/0x3d0 [ 1669.338740] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1669.343500] ? finish_task_switch+0x1e6/0x610 [ 1669.348000] ? __switch_to_asm+0x34/0x70 [ 1669.352062] ? __switch_to_asm+0x40/0x70 [ 1669.356125] ? __switch_to_asm+0x34/0x70 [ 1669.360193] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1669.364955] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1669.369717] ret_from_fork+0x3a/0x50 [ 1669.382581] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1669.389525] Call Trace: [ 1669.392120] dump_stack+0xb9/0x11b [ 1669.395675] warn_alloc.cold.35+0x9d/0x1b7 [ 1669.399915] ? zone_watermark_ok_safe+0x240/0x240 [ 1669.404767] ? usleep_range+0x130/0x130 [ 1669.408792] __alloc_pages_nodemask+0x1425/0x2280 [ 1669.413663] ? debug_check_no_obj_freed+0x150/0x77c [ 1669.418688] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1669.423543] ? __lock_acquire+0x619/0x4320 [ 1669.427789] ? __lock_acquire+0x619/0x4320 [ 1669.432025] ? lock_acquire+0x10f/0x380 [ 1669.436010] ? avc_has_perm+0x9e/0x390 [ 1669.439940] ? new_slab+0x358/0x470 [ 1669.443578] new_slab+0x3c0/0x470 [ 1669.447055] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1669.452078] ? __might_fault+0x104/0x1b0 [ 1669.456142] ? getname_flags+0xc4/0x540 [ 1669.460137] ? fs_reclaim_acquire+0x10/0x10 [ 1669.464473] ? check_preemption_disabled+0x34/0x1e0 [ 1669.469499] ? getname_flags+0xc4/0x540 [ 1669.473483] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1669.478940] ? getname_flags+0xc4/0x540 [ 1669.482922] kmem_cache_alloc+0x19e/0x2b0 [ 1669.487139] getname_flags+0xc4/0x540 [ 1669.490948] ? SyS_unlinkat+0x70/0x70 [ 1669.494761] do_unlinkat+0xc9/0x650 [ 1669.498418] ? do_rmdir+0x3a0/0x3a0 [ 1669.502060] ? SyS_newlstat+0x92/0xf0 [ 1669.505869] ? SyS_newstat+0xf0/0xf0 [ 1669.509668] ? do_syscall_64+0x43/0x4b0 [ 1669.513648] ? SyS_unlinkat+0x70/0x70 [ 1669.517461] do_syscall_64+0x19b/0x4b0 [ 1669.521371] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1669.526583] RIP: 0033:0x4573c7 [ 1669.529774] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1669.537492] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1669.544765] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1669.552036] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1669.559309] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1669.566579] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1669.578996] [ 4899] 0 4899 17618 8236 26 3 0 1000 syz-executor2 [ 1669.588570] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1669.595506] Call Trace: [ 1669.598112] dump_stack+0xb9/0x11b [ 1669.601667] warn_alloc.cold.35+0x9d/0x1b7 [ 1669.605914] ? zone_watermark_ok_safe+0x240/0x240 [ 1669.610769] ? usleep_range+0x130/0x130 [ 1669.614796] __alloc_pages_nodemask+0x1425/0x2280 [ 1669.619689] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1669.624563] ? __lock_acquire+0x619/0x4320 [ 1669.628814] ? kasan_slab_free+0xac/0x190 [ 1669.632969] ? kmem_cache_free+0x12d/0x350 [ 1669.637212] ? putname+0xcf/0x100 [ 1669.640667] ? do_rmdir+0x161/0x3a0 [ 1669.644299] ? do_syscall_64+0x19b/0x4b0 [ 1669.648419] ? new_slab+0x358/0x470 [ 1669.652060] new_slab+0x3c0/0x470 [ 1669.655537] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1669.660561] ? getname_flags+0xc4/0x540 [ 1669.664552] ? fs_reclaim_acquire+0x10/0x10 [ 1669.668890] ? check_preemption_disabled+0x34/0x1e0 [ 1669.673912] ? getname_flags+0xc4/0x540 [ 1669.677893] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1669.683351] ? getname_flags+0xc4/0x540 [ 1669.687346] kmem_cache_alloc+0x19e/0x2b0 [ 1669.691507] getname_flags+0xc4/0x540 [ 1669.695311] ? task_work_run+0x6a/0x190 [ 1669.699296] SyS_mkdirat+0x8d/0x220 [ 1669.702931] ? trace_hardirqs_on_caller+0x381/0x520 [ 1669.707955] ? SyS_mknod+0x30/0x30 [ 1669.711509] ? do_syscall_64+0x43/0x4b0 [ 1669.715497] ? SyS_mkdirat+0x220/0x220 [ 1669.719454] do_syscall_64+0x19b/0x4b0 [ 1669.723430] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1669.728632] RIP: 0033:0x456a97 [ 1669.731827] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1669.739543] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1669.746816] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1669.754090] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1669.761361] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1669.768652] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1669.779450] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1669.786188] Call Trace: [ 1669.788788] dump_stack+0xb9/0x11b [ 1669.792344] warn_alloc.cold.35+0x9d/0x1b7 [ 1669.796592] ? zone_watermark_ok_safe+0x240/0x240 [ 1669.801452] ? usleep_range+0x130/0x130 [ 1669.805455] ? do_try_to_free_pages+0xde0/0xde0 [ 1669.810219] __alloc_pages_nodemask+0x1425/0x2280 [ 1669.815094] ? check_preemption_disabled+0x34/0x1e0 [ 1669.820170] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1669.825172] ? find_get_entry+0x118/0x550 [ 1669.829344] ? check_preemption_disabled+0x34/0x1e0 [ 1669.834369] ? check_preemption_disabled+0x34/0x1e0 [ 1669.839441] ? find_get_entry+0x13f/0x550 [ 1669.843668] ? pagecache_get_page+0x129/0x770 [ 1669.848190] filemap_fault+0xcdd/0x14a0 [ 1669.852213] ext4_filemap_fault+0x7d/0xb0 [ 1669.856368] __do_fault+0x80/0x210 [ 1669.859989] __handle_mm_fault+0x991/0x25f0 [ 1669.864331] ? vm_insert_page+0x6d0/0x6d0 [ 1669.868489] ? HARDIRQ_verbose+0x10/0x10 [ 1669.872561] ? HARDIRQ_verbose+0x10/0x10 [ 1669.876637] ? SyS_futex+0x249/0x2b5 [ 1669.880419] ? check_preemption_disabled+0x34/0x1e0 [ 1669.885467] handle_mm_fault+0x2f2/0x6eb [ 1669.889552] __do_page_fault+0x45d/0xb60 [ 1669.893638] ? retint_user+0x18/0x18 [ 1669.897366] ? bad_area_access_error+0x330/0x330 [ 1669.902158] ? page_fault+0x2c/0x50 [ 1669.905802] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1669.910666] ? page_fault+0x2c/0x50 [ 1669.914307] page_fault+0x42/0x50 [ 1669.917766] RIP: 0020:0x13 [ 1669.920616] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1669.921798] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1669.933842] Call Trace: [ 1669.936454] dump_stack+0xb9/0x11b [ 1669.940020] warn_alloc.cold.35+0x9d/0x1b7 [ 1669.944278] ? zone_watermark_ok_safe+0x240/0x240 [ 1669.949135] ? usleep_range+0x130/0x130 [ 1669.953131] ? do_try_to_free_pages+0xde0/0xde0 [ 1669.957847] __alloc_pages_nodemask+0x1425/0x2280 [ 1669.962717] ? check_preemption_disabled+0x34/0x1e0 [ 1669.967747] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1669.972607] ? find_get_entry+0x118/0x550 [ 1669.976773] ? check_preemption_disabled+0x34/0x1e0 [ 1669.981808] ? check_preemption_disabled+0x34/0x1e0 [ 1669.986849] ? find_get_entry+0x13f/0x550 [ 1669.991028] ? pagecache_get_page+0x129/0x770 [ 1669.995549] filemap_fault+0xcdd/0x14a0 [ 1669.999569] ext4_filemap_fault+0x7d/0xb0 [ 1670.003734] __do_fault+0x80/0x210 [ 1670.007293] __handle_mm_fault+0x991/0x25f0 [ 1670.011693] ? vm_insert_page+0x6d0/0x6d0 [ 1670.015857] ? HARDIRQ_verbose+0x10/0x10 [ 1670.019941] ? HARDIRQ_verbose+0x10/0x10 [ 1670.024062] ? SyS_futex+0x249/0x2b5 [ 1670.027816] ? check_preemption_disabled+0x34/0x1e0 [ 1670.032855] handle_mm_fault+0x2f2/0x6eb [ 1670.036933] __do_page_fault+0x45d/0xb60 [ 1670.041015] ? retint_user+0x18/0x18 [ 1670.044739] ? bad_area_access_error+0x330/0x330 [ 1670.049507] ? page_fault+0x2c/0x50 [ 1670.053138] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1670.057999] ? page_fault+0x2c/0x50 [ 1670.061636] page_fault+0x42/0x50 [ 1670.065093] RIP: 0020:0x13 [ 1670.067941] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1670.069782] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1670.082084] Call Trace: [ 1670.084679] dump_stack+0xb9/0x11b [ 1670.088235] warn_alloc.cold.35+0x9d/0x1b7 [ 1670.092494] ? zone_watermark_ok_safe+0x240/0x240 [ 1670.097348] ? usleep_range+0x130/0x130 [ 1670.101341] ? do_try_to_free_pages+0xde0/0xde0 [ 1670.106052] __alloc_pages_nodemask+0x1425/0x2280 [ 1670.110931] ? check_preemption_disabled+0x34/0x1e0 [ 1670.115961] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1670.120815] ? find_get_entry+0x118/0x550 [ 1670.124979] ? check_preemption_disabled+0x34/0x1e0 [ 1670.130009] ? check_preemption_disabled+0x34/0x1e0 [ 1670.135044] ? find_get_entry+0x13f/0x550 [ 1670.139221] ? pagecache_get_page+0x129/0x770 [ 1670.143740] filemap_fault+0xcdd/0x14a0 [ 1670.147752] ext4_filemap_fault+0x7d/0xb0 [ 1670.151913] __do_fault+0x80/0x210 [ 1670.155466] __handle_mm_fault+0x991/0x25f0 [ 1670.159805] ? vm_insert_page+0x6d0/0x6d0 [ 1670.163959] ? HARDIRQ_verbose+0x10/0x10 [ 1670.168026] ? HARDIRQ_verbose+0x10/0x10 [ 1670.172130] ? check_preemption_disabled+0x34/0x1e0 [ 1670.177167] handle_mm_fault+0x2f2/0x6eb [ 1670.181372] __do_page_fault+0x45d/0xb60 [ 1670.185493] ? retint_user+0x18/0x18 [ 1670.189220] ? bad_area_access_error+0x330/0x330 [ 1670.193986] ? page_fault+0x2c/0x50 [ 1670.197624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1670.202499] ? page_fault+0x2c/0x50 [ 1670.206137] page_fault+0x42/0x50 [ 1670.209595] RIP: 0000:0x5 [ 1670.212357] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1670.276905] [ 4903] 0 4903 17651 8238 26 3 0 1000 syz-executor2 [ 1670.346685] [ 4928] 0 4928 17585 8234 26 3 0 1000 syz-executor2 [ 1670.531348] [ 5160] 0 5160 17585 8199 24 3 0 1000 syz-executor1 [ 1670.642617] [ 5180] 0 5180 17618 8207 25 3 0 0 syz-executor4 [ 1670.745949] [ 5226] 0 5226 17585 8234 25 3 0 1000 syz-executor2 [ 1670.857587] [ 5232] 0 5232 17618 8236 25 3 0 1000 syz-executor2 [ 1670.953152] [ 5396] 0 5396 17618 8206 25 3 0 0 syz-executor4 [ 1671.058454] [ 5422] 0 5422 17684 8205 25 3 0 1000 syz-executor3 [ 1671.166358] [ 5655] 0 5655 17618 8206 25 3 0 0 syz-executor4 [ 1671.271164] [ 5806] 0 5806 17618 8206 25 3 0 0 syz-executor4 [ 1671.377107] [ 5834] 0 5834 17585 8204 25 3 0 0 syz-executor4 [ 1671.485236] [ 5848] 0 5848 17618 8232 25 4 0 1000 syz-executor3 [ 1671.583780] [ 5915] 0 5915 17618 8203 24 3 0 1000 syz-executor1 [ 1671.693598] [ 5930] 0 5930 17684 8207 24 3 0 1000 syz-executor1 [ 1671.789511] [ 5981] 0 5981 17651 8235 25 4 0 1000 syz-executor1 [ 1671.905375] [ 6001] 0 6001 17618 8235 27 4 0 1000 syz-executor3 [ 1672.013414] [ 6007] 0 6007 17618 8206 25 3 0 0 syz-executor4 [ 1672.112602] [ 6069] 0 6069 17684 8240 27 4 0 1000 syz-executor3 [ 1672.212553] [ 6199] 0 6199 17585 8202 25 3 0 1000 syz-executor1 [ 1672.298097] [ 6204] 0 6204 17651 8208 25 3 0 1000 syz-executor1 [ 1672.405127] [ 6282] 0 6282 17618 8206 25 3 0 0 syz-executor4 [ 1672.503883] [ 6327] 0 6327 17618 8206 25 3 0 0 syz-executor4 [ 1672.612130] [ 6369] 0 6369 17618 8206 25 3 0 0 syz-executor4 [ 1672.631802] warn_alloc_show_mem: 8 callbacks suppressed [ 1672.631806] Mem-Info: [ 1672.639606] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1672.639606] active_file:76 inactive_file:84 isolated_file:0 [ 1672.639606] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1672.639606] slab_reclaimable:6528 slab_unreclaimable:70832 [ 1672.639606] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1672.639606] free:4503 free_pcp:9 free_cma:0 [ 1672.766434] [ 6437] 0 6437 17618 8206 25 3 0 0 syz-executor4 [ 1672.856720] [ 6496] 0 6496 17585 8204 25 3 0 0 syz-executor4 [ 1672.881727] [ 6561] 0 6561 17618 8206 25 3 0 0 syz-executor4 [ 1672.914623] [ 6597] 0 6597 17618 8206 25 3 0 0 syz-executor4 [ 1672.943821] [ 6680] 0 6680 17585 8204 25 3 0 1000 syz-executor5 [ 1673.135559] [ 6684] 0 6684 17585 8207 25 3 0 0 syz-executor4 [ 1673.232898] [ 6724] 0 6724 17618 8208 25 3 0 0 syz-executor4 [ 1673.345148] [ 6734] 0 6734 17585 8192 23 3 0 1000 syz-executor1 [ 1673.461245] [ 6905] 0 6905 17618 8208 25 3 0 0 syz-executor4 [ 1673.554477] [ 6906] 0 6906 17651 8240 25 4 0 1000 syz-executor1 [ 1673.638499] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:304kB inactive_file:336kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1673.689107] [ 6936] 0 6936 17618 12679 31 3 0 1000 syz-executor5 [ 1673.810115] [ 6947] 0 6947 17680 12679 31 3 0 1000 syz-executor5 [ 1673.819777] [ 7103] 0 7103 17651 8240 25 4 0 1000 syz-executor1 [ 1673.876827] warn_alloc_show_mem: 1 callbacks suppressed [ 1673.876832] Mem-Info: [ 1674.031631] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1674.031631] active_file:76 inactive_file:84 isolated_file:0 [ 1674.031631] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1674.031631] slab_reclaimable:6528 slab_unreclaimable:70969 [ 1674.031631] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1674.031631] free:4461 free_pcp:12 free_cma:0 [ 1674.084250] [ 7129] 0 7129 17618 8208 25 3 0 0 syz-executor4 [ 1674.199997] [ 7141] 0 7141 17618 8241 26 4 0 1000 syz-executor1 [ 1674.236263] warn_alloc: 20 callbacks suppressed [ 1674.236268] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1674.250620] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1674.257683] Call Trace: [ 1674.260287] dump_stack+0xb9/0x11b [ 1674.263844] warn_alloc.cold.35+0x9d/0x1b7 [ 1674.268126] ? zone_watermark_ok_safe+0x240/0x240 [ 1674.273027] __alloc_pages_nodemask+0x19f4/0x2280 [ 1674.277882] ? check_preemption_disabled+0x34/0x1e0 [ 1674.282931] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1674.287782] ? __kernel_text_address+0x9/0x30 [ 1674.292289] ? unwind_get_return_address+0x51/0x90 [ 1674.297228] ? __save_stack_trace+0x8d/0xf0 [ 1674.301622] ? check_preemption_disabled+0x34/0x1e0 [ 1674.306667] ? kasan_slab_free+0x119/0x190 [ 1674.310910] ? kasan_slab_free+0xac/0x190 [ 1674.315079] ? check_preemption_disabled+0x34/0x1e0 [ 1674.320163] new_slab+0x3c0/0x470 [ 1674.323691] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1674.328717] ? __sigqueue_alloc+0x1d9/0x400 [ 1674.333045] ? check_preemption_disabled+0x34/0x1e0 [ 1674.338088] ? check_preemption_disabled+0x34/0x1e0 [ 1674.343114] ? __sigqueue_alloc+0x1d9/0x400 [ 1674.347448] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1674.352911] ? __sigqueue_alloc+0x1d9/0x400 [ 1674.357244] kmem_cache_alloc+0x19e/0x2b0 [ 1674.361431] __sigqueue_alloc+0x1d9/0x400 [ 1674.365606] __send_signal+0x1b0/0x1200 [ 1674.369610] force_sig_info+0x241/0x340 [ 1674.373614] force_sig_info_fault.constprop.7+0x129/0x210 [ 1674.379176] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1674.384310] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1674.389261] ? bad_area_access_error+0x1de/0x330 [ 1674.394044] __bad_area_nosemaphore+0x192/0x280 [ 1674.398740] bad_area_access_error+0x1ff/0x330 [ 1674.403337] ? mm_fault_error+0x2b0/0x2b0 [ 1674.407646] ? vmacache_find+0x50/0x250 [ 1674.411646] __do_page_fault+0x6d0/0xb60 [ 1674.415723] ? retint_user+0x18/0x18 [ 1674.419448] ? bad_area_access_error+0x330/0x330 [ 1674.424217] ? page_fault+0x2c/0x50 [ 1674.427850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1674.432715] ? page_fault+0x2c/0x50 [ 1674.436354] page_fault+0x42/0x50 [ 1674.439829] RIP: 4c59bd:0x4da048 [ 1674.443206] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1674.443254] slab_out_of_memory: 4972 callbacks suppressed [ 1674.443261] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1674.462100] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1674.471109] node 0: slabs: 32547, objs: 585846, free: 0 [ 1674.489036] [ 7314] 0 7314 17618 8208 25 3 0 0 syz-executor4 [ 1674.498657] DMA32 free:15500kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:48kB local_pcp:48kB free_cma:0kB [ 1674.527970] [ 7366] 0 7366 17618 8208 25 3 0 0 syz-executor4 [ 1674.540143] [ 7378] 0 7378 17618 8240 25 4 0 1000 syz-executor1 [ 1674.549612] [ 7382] 0 7382 17618 8240 25 4 0 1000 syz-executor1 [ 1674.561427] [ 7418] 0 7418 17618 8208 25 3 0 0 syz-executor4 [ 1674.570954] [ 7459] 0 7459 17618 8208 25 3 0 0 syz-executor4 [ 1674.589496] [ 7602] 0 7602 17618 8208 25 3 0 0 syz-executor4 [ 1674.834293] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):4kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1674.923104] [ 7661] 0 7661 17618 8208 25 3 0 0 syz-executor4 [ 1675.045529] [ 7681] 0 7681 17618 12679 31 3 0 1000 syz-executor5 [ 1675.061740] warn_alloc_show_mem: 6 callbacks suppressed [ 1675.061744] Mem-Info: [ 1675.069523] active_anon:112089 inactive_anon:1324456 isolated_anon:0 [ 1675.069523] active_file:76 inactive_file:84 isolated_file:0 [ 1675.069523] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1675.069523] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1675.069523] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1675.069523] free:4380 free_pcp:0 free_cma:0 [ 1675.113115] lowmem_reserve[]: 0 3505 3505 [ 1675.117325] Normal free:1972kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1675.240366] [ 8195] 0 8195 17651 8242 26 4 0 1000 syz-executor0 [ 1675.249892] [ 8196] 0 8196 17651 8242 26 4 0 1000 syz-executor0 [ 1675.501526] [ 8307] 0 8307 5384 187 14 3 0 -1000 udevd [ 1675.637365] [ 8465] 0 8465 17618 8211 25 3 0 0 syz-executor4 [ 1675.697848] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1675.785033] [ 8544] 0 8544 17618 8211 25 3 0 0 syz-executor4 [ 1675.908848] [ 8573] 0 8573 17618 8208 25 3 0 1000 syz-executor5 [ 1676.044178] [ 8577] 0 8577 17585 8209 25 3 0 0 syz-executor4 [ 1676.176922] [ 8685] 0 8685 5384 187 14 3 0 -1000 udevd [ 1676.261585] lowmem_reserve[]: 0 0 0 [ 1676.265276] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1676.303283] [ 8755] 0 8755 17651 8383 26 4 0 1000 syz-executor0 [ 1676.430142] [ 8815] 0 8815 17585 8217 25 3 0 1000 syz-executor0 [ 1676.439648] [ 8816] 0 8816 17618 8223 25 3 0 0 syz-executor4 [ 1676.556973] Node 0 active_anon:448356kB inactive_anon:5297824kB active_file:304kB inactive_file:336kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1676.720414] [ 8818] 0 8818 17618 8219 25 3 0 1000 syz-executor0 [ 1676.729900] [ 8940] 0 8940 17585 8373 25 4 0 1000 syz-executor1 [ 1676.742155] lowmem_reserve[]: 0 3505 3505 [ 1676.746355] Normal free:1972kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1676.904274] Normal: 107*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1972kB [ 1677.009503] [ 9005] 0 9005 17618 8375 25 4 0 1000 syz-executor1 [ 1677.130178] [ 9257] 0 9257 17618 8412 26 4 0 1000 syz-executor0 [ 1677.139690] [ 9272] 0 9272 17651 17583 40 4 0 1000 syz-executor5 [ 1677.317138] 10554 total pagecache pages [ 1677.373257] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1677.421319] [ 9279] 0 9279 17713 17687 40 4 0 0 syz-executor4 [ 1677.487003] 0 pages in swap cache [ 1677.543291] [ 9299] 0 9299 17783 8396 33 4 0 1000 syz-executor0 [ 1677.600143] Swap cache stats: add 0, delete 0, find 0/0 [ 1677.605599] Free swap = 0kB [ 1677.608634] Total swap = 0kB [ 1677.684140] [ 9318] 0 9318 101 1 5 3 0 0 modprobe [ 1677.803811] [ 9319] 0 9319 1576 20 9 3 0 0 modprobe [ 1677.882132] lowmem_reserve[]: 0 0 0 [ 1677.885808] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1677.944220] [ 9320] 0 9320 1539 12 6 3 0 0 modprobe [ 1677.992340] 1965979 pages RAM [ 1677.995472] 0 pages HighMem/MovableOnly [ 1677.999432] 315641 pages reserved [ 1678.074874] [ 9321] 0 9321 1576 20 9 3 0 0 modprobe [ 1678.174815] modprobe: page allocation stalls for 60010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1678.197833] init: page allocation stalls for 60040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1678.208709] [ 9325] 0 9325 1576 21 9 3 0 0 modprobe [ 1678.264745] rs:main Q:Reg: page allocation stalls for 20020ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1678.290067] syz-executor2: page allocation stalls for 60020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1678.306366] kthreadd: page allocation stalls for 60110ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1678.328506] syz-fuzzer: page allocation stalls for 20100ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1678.343550] modprobe: page allocation stalls for 60070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1678.364744] [ 9326] 0 9326 1576 20 9 3 0 0 modprobe [ 1678.374649] modprobe: page allocation stalls for 60010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1678.392859] modprobe: page allocation stalls for 60140ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1678.448553] lowmem_reserve[]: 0 3505 3505 [ 1678.479742] [ 9328] 0 9328 635 9 6 3 0 0 modprobe [ 1678.506981] Normal: 107*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1972kB [ 1678.564698] Normal free:1972kB min:5588kB low:9176kB high:12764kB active_anon:418068kB inactive_anon:2500652kB active_file:48kB inactive_file:192kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1678.604267] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1678.610169] Call Trace: [ 1678.612762] dump_stack+0xb9/0x11b [ 1678.616330] warn_alloc.cold.35+0x9d/0x1b7 [ 1678.620561] ? zone_watermark_ok_safe+0x240/0x240 [ 1678.625422] ? usleep_range+0x130/0x130 [ 1678.629458] __alloc_pages_nodemask+0x1425/0x2280 [ 1678.634335] ? __kernel_text_address+0x9/0x30 [ 1678.638845] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1678.643695] ? __lock_acquire+0x619/0x4320 [ 1678.647945] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1678.652445] ? kmemdup+0x20/0x50 [ 1678.655823] ? selinux_cred_prepare+0x3e/0x90 [ 1678.660333] ? new_slab+0x358/0x470 [ 1678.663960] new_slab+0x3c0/0x470 [ 1678.667425] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1678.672461] ? getname_flags+0xc4/0x540 [ 1678.676619] ? fs_reclaim_acquire+0x10/0x10 [ 1678.680947] ? check_preemption_disabled+0x34/0x1e0 [ 1678.685962] ? getname_flags+0xc4/0x540 [ 1678.689945] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1678.695406] ? getname_flags+0xc4/0x540 [ 1678.699378] kmem_cache_alloc+0x19e/0x2b0 [ 1678.703533] getname_flags+0xc4/0x540 [ 1678.707343] user_path_at_empty+0x28/0x80 [ 1678.711497] SyS_faccessat+0x20d/0x660 [ 1678.715408] ? SyS_fallocate+0x80/0x80 [ 1678.719302] ? do_syscall_64+0x43/0x4b0 [ 1678.723367] ? SyS_faccessat+0x660/0x660 [ 1678.727448] do_syscall_64+0x19b/0x4b0 [ 1678.731346] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1678.736535] RIP: 0033:0x7f413a3c43c7 [ 1678.740250] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1678.747951] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1678.755229] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1678.762490] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1678.769785] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1678.777046] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1678.785482] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1678.791979] Call Trace: [ 1678.794568] dump_stack+0xb9/0x11b [ 1678.798113] warn_alloc.cold.35+0x9d/0x1b7 [ 1678.802345] ? zone_watermark_ok_safe+0x240/0x240 [ 1678.807191] ? usleep_range+0x130/0x130 [ 1678.811683] __alloc_pages_nodemask+0x1425/0x2280 [ 1678.816548] ? __kernel_text_address+0x9/0x30 [ 1678.821044] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1678.825897] ? __lock_acquire+0x619/0x4320 [ 1678.830143] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1678.834659] ? kmemdup+0x20/0x50 [ 1678.838022] ? selinux_cred_prepare+0x3e/0x90 [ 1678.842536] ? new_slab+0x358/0x470 [ 1678.846181] new_slab+0x3c0/0x470 [ 1678.849652] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1678.854667] ? getname_flags+0xc4/0x540 [ 1678.858648] ? fs_reclaim_acquire+0x10/0x10 [ 1678.862989] ? check_preemption_disabled+0x34/0x1e0 [ 1678.868013] ? getname_flags+0xc4/0x540 [ 1678.871984] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1678.877432] ? getname_flags+0xc4/0x540 [ 1678.881425] kmem_cache_alloc+0x19e/0x2b0 [ 1678.885590] getname_flags+0xc4/0x540 [ 1678.889405] user_path_at_empty+0x28/0x80 [ 1678.893558] SyS_faccessat+0x20d/0x660 [ 1678.897496] ? SyS_fallocate+0x80/0x80 [ 1678.901388] ? do_syscall_64+0x43/0x4b0 [ 1678.905373] ? SyS_faccessat+0x660/0x660 [ 1678.909443] do_syscall_64+0x19b/0x4b0 [ 1678.913344] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1678.918572] RIP: 0033:0x7fd4ad02d267 [ 1678.922325] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1678.930028] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1678.937290] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1678.944571] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1678.951832] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1678.959099] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1678.974721] [ 9329] 0 9329 1576 20 9 3 0 0 modprobe [ 1679.048589] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1679.055560] Call Trace: [ 1679.058183] dump_stack+0xb9/0x11b [ 1679.061734] warn_alloc.cold.35+0x9d/0x1b7 [ 1679.065965] ? zone_watermark_ok_safe+0x240/0x240 [ 1679.070810] ? usleep_range+0x130/0x130 [ 1679.074868] __alloc_pages_nodemask+0x1425/0x2280 [ 1679.079731] ? debug_check_no_obj_freed+0x150/0x77c [ 1679.084750] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1679.089588] ? __lock_acquire+0x619/0x4320 [ 1679.093828] ? __lock_acquire+0x619/0x4320 [ 1679.098054] ? lock_acquire+0x10f/0x380 [ 1679.102024] ? avc_has_perm+0x9e/0x390 [ 1679.105967] ? new_slab+0x358/0x470 [ 1679.109598] new_slab+0x3c0/0x470 [ 1679.113063] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1679.118079] ? __might_fault+0x104/0x1b0 [ 1679.122154] ? getname_flags+0xc4/0x540 [ 1679.126141] ? fs_reclaim_acquire+0x10/0x10 [ 1679.130467] ? check_preemption_disabled+0x34/0x1e0 [ 1679.135479] ? getname_flags+0xc4/0x540 [ 1679.139450] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1679.144899] ? getname_flags+0xc4/0x540 [ 1679.148882] kmem_cache_alloc+0x19e/0x2b0 [ 1679.153031] getname_flags+0xc4/0x540 [ 1679.156849] ? SyS_unlinkat+0x70/0x70 [ 1679.160646] do_unlinkat+0xc9/0x650 [ 1679.164275] ? do_rmdir+0x3a0/0x3a0 [ 1679.167935] ? SyS_newlstat+0x92/0xf0 [ 1679.171770] ? SyS_newstat+0xf0/0xf0 [ 1679.175511] ? do_syscall_64+0x43/0x4b0 [ 1679.179486] ? SyS_unlinkat+0x70/0x70 [ 1679.183303] do_syscall_64+0x19b/0x4b0 [ 1679.187202] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1679.192385] RIP: 0033:0x4573c7 [ 1679.195577] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1679.203279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1679.210541] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1679.217806] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1679.225069] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1679.232331] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1679.240861] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1679.247357] Call Trace: [ 1679.249950] dump_stack+0xb9/0x11b [ 1679.253501] warn_alloc.cold.35+0x9d/0x1b7 [ 1679.257738] ? zone_watermark_ok_safe+0x240/0x240 [ 1679.262583] ? usleep_range+0x130/0x130 [ 1679.266600] __alloc_pages_nodemask+0x1425/0x2280 [ 1679.271467] ? get_page_from_freelist+0x756/0x1ea0 [ 1679.276408] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1679.281265] ? __lock_acquire+0x619/0x4320 [ 1679.285513] ? check_preemption_disabled+0x34/0x1e0 [ 1679.290546] ? new_slab+0x358/0x470 [ 1679.294177] new_slab+0x3c0/0x470 [ 1679.297643] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1679.302661] ? getname_flags+0xc4/0x540 [ 1679.306646] ? fs_reclaim_acquire+0x10/0x10 [ 1679.310974] ? check_preemption_disabled+0x34/0x1e0 [ 1679.315989] ? getname_flags+0xc4/0x540 [ 1679.319964] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1679.325422] ? getname_flags+0xc4/0x540 [ 1679.329412] kmem_cache_alloc+0x19e/0x2b0 [ 1679.333587] getname_flags+0xc4/0x540 [ 1679.337407] user_path_at_empty+0x28/0x80 [ 1679.341557] vfs_statx+0xe1/0x180 [ 1679.345016] ? vfs_statx_fd+0x90/0x90 [ 1679.348832] SyS_newstat+0x81/0xf0 [ 1679.352368] ? SyS_fstat+0xe0/0xe0 [ 1679.355927] ? up_read+0x17/0x30 [ 1679.359290] ? __do_page_fault+0x64c/0xb60 [ 1679.363531] ? do_syscall_64+0x43/0x4b0 [ 1679.367506] ? SyS_fstat+0xe0/0xe0 [ 1679.371038] do_syscall_64+0x19b/0x4b0 [ 1679.374938] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1679.380121] RIP: 0033:0x7f5cb3133c65 [ 1679.383829] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1679.391532] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1679.398796] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1679.406068] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1679.413434] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1679.420696] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1679.434425] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1679.440661] Call Trace: [ 1679.443257] dump_stack+0xb9/0x11b [ 1679.446801] warn_alloc.cold.35+0x9d/0x1b7 [ 1679.451034] ? zone_watermark_ok_safe+0x240/0x240 [ 1679.455939] __alloc_pages_nodemask+0x1425/0x2280 [ 1679.460803] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1679.465732] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1679.470581] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1679.475766] ? copy_process.part.6+0x1435/0x6530 [ 1679.480556] ? rcu_read_lock_sched_held+0x102/0x120 [ 1679.485593] copy_process.part.6+0x267/0x6530 [ 1679.490130] ? __lock_acquire+0x619/0x4320 [ 1679.494366] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1679.499477] ? kthread_create_on_node+0xe0/0xe0 [ 1679.504148] ? __cleanup_sighand+0x40/0x40 [ 1679.508382] ? perf_trace_lock+0x11a/0x4c0 [ 1679.512620] ? check_preemption_disabled+0x34/0x1e0 [ 1679.517640] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1679.522578] _do_fork+0x1c2/0xd50 [ 1679.526037] ? kthread_create_on_node+0xe0/0xe0 [ 1679.530717] ? fork_idle+0x250/0x250 [ 1679.534431] ? kthreadd+0x28a/0x3d0 [ 1679.538057] ? lock_downgrade+0x560/0x560 [ 1679.542215] ? lock_acquire+0x10f/0x380 [ 1679.546183] ? kthreadd+0x1c4/0x3d0 [ 1679.549839] ? kthread_create_on_node+0xe0/0xe0 [ 1679.554530] kernel_thread+0x2f/0x40 [ 1679.558243] kthreadd+0x29e/0x3d0 [ 1679.561693] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1679.566470] ? finish_task_switch+0x1e6/0x610 [ 1679.570960] ? __switch_to_asm+0x34/0x70 [ 1679.575014] ? __switch_to_asm+0x40/0x70 [ 1679.579067] ? __switch_to_asm+0x34/0x70 [ 1679.583123] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1679.587895] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1679.592651] ret_from_fork+0x3a/0x50 [ 1679.597640] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1679.604586] Call Trace: [ 1679.607184] dump_stack+0xb9/0x11b [ 1679.610736] warn_alloc.cold.35+0x9d/0x1b7 [ 1679.614989] ? zone_watermark_ok_safe+0x240/0x240 [ 1679.619827] ? usleep_range+0x130/0x130 [ 1679.623820] ? do_try_to_free_pages+0xde0/0xde0 [ 1679.628527] __alloc_pages_nodemask+0x1425/0x2280 [ 1679.633403] ? check_preemption_disabled+0x34/0x1e0 [ 1679.638427] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1679.643272] ? find_get_entry+0x118/0x550 [ 1679.647430] ? check_preemption_disabled+0x34/0x1e0 [ 1679.652460] ? check_preemption_disabled+0x34/0x1e0 [ 1679.657500] ? find_get_entry+0x13f/0x550 [ 1679.661655] ? pagecache_get_page+0x129/0x770 [ 1679.666157] filemap_fault+0xcdd/0x14a0 [ 1679.670158] ext4_filemap_fault+0x7d/0xb0 [ 1679.674312] __do_fault+0x80/0x210 [ 1679.677855] __handle_mm_fault+0x991/0x25f0 [ 1679.682197] ? vm_insert_page+0x6d0/0x6d0 [ 1679.686341] ? HARDIRQ_verbose+0x10/0x10 [ 1679.690404] ? HARDIRQ_verbose+0x10/0x10 [ 1679.694495] ? check_preemption_disabled+0x34/0x1e0 [ 1679.699546] handle_mm_fault+0x2f2/0x6eb [ 1679.703609] __do_page_fault+0x45d/0xb60 [ 1679.707674] ? retint_user+0x18/0x18 [ 1679.711388] ? bad_area_access_error+0x330/0x330 [ 1679.716150] ? page_fault+0x2c/0x50 [ 1679.719769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1679.724633] ? page_fault+0x2c/0x50 [ 1679.728254] page_fault+0x42/0x50 [ 1679.731701] RIP: 0000:0x5 [ 1679.734461] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1679.747716] [ 9331] 0 9331 1576 21 8 3 0 0 modprobe [ 1679.762414] CPU: 1 PID: 9328 Comm: modprobe Not tainted 4.14.87+ #21 [ 1679.768903] Call Trace: [ 1679.771490] dump_stack+0xb9/0x11b [ 1679.775039] warn_alloc.cold.35+0x9d/0x1b7 [ 1679.779271] ? zone_watermark_ok_safe+0x240/0x240 [ 1679.784111] ? usleep_range+0x130/0x130 [ 1679.788122] __alloc_pages_nodemask+0x1425/0x2280 [ 1679.792985] ? reacquire_held_locks+0xb5/0x3e0 [ 1679.797581] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1679.802424] ? check_preemption_disabled+0x34/0x1e0 [ 1679.807435] ? lock_downgrade+0x560/0x560 [ 1679.811587] ? __lock_acquire+0x619/0x4320 [ 1679.815817] ? perf_trace_lock+0x11a/0x4c0 [ 1679.820047] ? filemap_map_pages+0x652/0xc50 [ 1679.824459] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1679.829409] ? new_slab+0x358/0x470 [ 1679.833041] new_slab+0x3c0/0x470 [ 1679.836505] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1679.841518] ? getname_flags+0xc4/0x540 [ 1679.845531] ? fs_reclaim_acquire+0x10/0x10 [ 1679.849858] ? check_preemption_disabled+0x34/0x1e0 [ 1679.854871] ? getname_flags+0xc4/0x540 [ 1679.858843] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1679.864291] ? getname_flags+0xc4/0x540 [ 1679.868271] kmem_cache_alloc+0x19e/0x2b0 [ 1679.872428] getname_flags+0xc4/0x540 [ 1679.876240] do_sys_open+0x1ea/0x580 [ 1679.879957] ? filp_open+0x60/0x60 [ 1679.883502] ? up_read+0x17/0x30 [ 1679.886864] ? __do_page_fault+0x64c/0xb60 [ 1679.891107] ? do_syscall_64+0x43/0x4b0 [ 1679.895079] ? do_sys_open+0x580/0x580 [ 1679.898968] do_syscall_64+0x19b/0x4b0 [ 1679.902878] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1679.908060] RIP: 0033:0x7fcfa16e41a7 [ 1679.911766] RSP: 002b:00007ffe8fd68848 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1679.919471] RAX: ffffffffffffffda RBX: 00007fcfa18ef1c8 RCX: 00007fcfa16e41a7 [ 1679.926751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fcfa18ea01d [ 1679.934015] RBP: 00007ffe8fd688c0 R08: 00007ffe8fd68cbf R09: 0000000000000000 [ 1679.941277] R10: 00007fcfa18ea01d R11: 0000000000000246 R12: 0000000000000008 [ 1679.948540] R13: 00007fcfa18ee040 R14: 0000000000000000 R15: 00007ffe8fd68cbf [ 1679.965349] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1679.972055] Call Trace: [ 1679.974639] dump_stack+0xb9/0x11b [ 1679.978183] warn_alloc.cold.35+0x9d/0x1b7 [ 1679.982471] ? zone_watermark_ok_safe+0x240/0x240 [ 1679.987315] ? usleep_range+0x130/0x130 [ 1679.991300] ? do_try_to_free_pages+0xde0/0xde0 [ 1679.995997] __alloc_pages_nodemask+0x1425/0x2280 [ 1680.000862] ? check_preemption_disabled+0x34/0x1e0 [ 1680.005881] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1680.010722] ? find_get_entry+0x118/0x550 [ 1680.014872] ? check_preemption_disabled+0x34/0x1e0 [ 1680.019913] ? check_preemption_disabled+0x34/0x1e0 [ 1680.024939] ? find_get_entry+0x13f/0x550 [ 1680.029097] ? pagecache_get_page+0x129/0x770 [ 1680.033599] filemap_fault+0xcdd/0x14a0 [ 1680.037598] ext4_filemap_fault+0x7d/0xb0 [ 1680.041747] __do_fault+0x80/0x210 [ 1680.045287] __handle_mm_fault+0x991/0x25f0 [ 1680.049618] ? vm_insert_page+0x6d0/0x6d0 [ 1680.053758] ? HARDIRQ_verbose+0x10/0x10 [ 1680.057810] ? HARDIRQ_verbose+0x10/0x10 [ 1680.061881] ? SyS_futex+0x249/0x2b5 [ 1680.065619] ? check_preemption_disabled+0x34/0x1e0 [ 1680.070642] handle_mm_fault+0x2f2/0x6eb [ 1680.074702] __do_page_fault+0x45d/0xb60 [ 1680.078764] ? retint_user+0x18/0x18 [ 1680.082492] ? bad_area_access_error+0x330/0x330 [ 1680.087241] ? page_fault+0x2c/0x50 [ 1680.090861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1680.095716] ? page_fault+0x2c/0x50 [ 1680.099340] page_fault+0x42/0x50 [ 1680.102786] RIP: 0020:0x13 [ 1680.105650] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1680.106854] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1680.118794] Call Trace: [ 1680.121375] dump_stack+0xb9/0x11b [ 1680.124925] warn_alloc.cold.35+0x9d/0x1b7 [ 1680.129169] ? zone_watermark_ok_safe+0x240/0x240 [ 1680.134014] ? usleep_range+0x130/0x130 [ 1680.138033] __alloc_pages_nodemask+0x1425/0x2280 [ 1680.142931] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1680.147776] ? __lock_acquire+0x619/0x4320 [ 1680.152005] ? __lock_acquire+0x619/0x4320 [ 1680.156241] ? __lock_acquire+0x619/0x4320 [ 1680.160506] ? new_slab+0x358/0x470 [ 1680.164137] new_slab+0x3c0/0x470 [ 1680.167595] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1680.172611] ? getname_flags+0xc4/0x540 [ 1680.176592] ? fs_reclaim_acquire+0x10/0x10 [ 1680.180920] ? check_preemption_disabled+0x34/0x1e0 [ 1680.185937] ? getname_flags+0xc4/0x540 [ 1680.189907] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1680.195361] ? getname_flags+0xc4/0x540 [ 1680.199339] kmem_cache_alloc+0x19e/0x2b0 [ 1680.203531] getname_flags+0xc4/0x540 [ 1680.207337] user_path_at_empty+0x28/0x80 [ 1680.211492] vfs_statx+0xe1/0x180 [ 1680.214960] ? vfs_statx_fd+0x90/0x90 [ 1680.218768] ? __might_fault+0x104/0x1b0 [ 1680.222827] ? lock_downgrade+0x560/0x560 [ 1680.226965] ? lock_acquire+0x10f/0x380 [ 1680.230951] ? __might_fault+0xd4/0x1b0 [ 1680.234935] SyS_newfstatat+0x89/0x100 [ 1680.238837] ? SyS_newlstat+0xf0/0xf0 [ 1680.242631] ? __might_fault+0x177/0x1b0 [ 1680.246689] ? SyS_getdents+0x1d0/0x270 [ 1680.250664] ? SyS_old_readdir+0x150/0x150 [ 1680.254891] ? compat_fillonedir+0x260/0x260 [ 1680.259304] ? do_syscall_64+0x43/0x4b0 [ 1680.263278] ? SyS_newlstat+0xf0/0xf0 [ 1680.267089] do_syscall_64+0x19b/0x4b0 [ 1680.271012] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1680.276208] RIP: 0033:0x7f7afb061e1a [ 1680.279929] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1680.287636] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1680.294912] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1680.302173] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1680.309438] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1680.316702] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1680.324296] warn_alloc: 15 callbacks suppressed [ 1680.324300] syz-executor4: page allocation stalls for 60920ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1680.364098] syz-executor5: page allocation stalls for 60200ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1680.378364] syz-executor4: page allocation stalls for 60180ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1680.401559] [ 9334] 0 9334 1547 12 8 3 0 0 modprobe [ 1680.413713] 10554 total pagecache pages [ 1680.417692] 0 pages in swap cache [ 1680.429684] [ 9335] 0 9335 1547 13 7 3 0 0 modprobe [ 1680.465662] [ 9337] 0 9337 1576 21 9 3 0 0 modprobe [ 1680.500119] syz-executor0: page allocation stalls for 60130ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1680.559442] CPU: 1 PID: 1842 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1680.566381] Call Trace: [ 1680.568976] dump_stack+0xb9/0x11b [ 1680.572542] warn_alloc.cold.35+0x9d/0x1b7 [ 1680.576776] ? zone_watermark_ok_safe+0x240/0x240 [ 1680.581621] ? usleep_range+0x130/0x130 [ 1680.585669] __alloc_pages_nodemask+0x1425/0x2280 [ 1680.590535] ? finish_task_switch+0x1e6/0x610 [ 1680.595034] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1680.599874] ? __lock_acquire+0x619/0x4320 [ 1680.604102] ? finish_task_switch+0x1bd/0x610 [ 1680.608602] ? __lock_acquire+0x619/0x4320 [ 1680.612839] ? _raw_spin_unlock_irq+0x35/0x50 [ 1680.617330] ? finish_task_switch+0x1e6/0x610 [ 1680.621851] ? new_slab+0x358/0x470 [ 1680.625481] new_slab+0x3c0/0x470 [ 1680.628942] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1680.633957] ? getname_flags+0xc4/0x540 [ 1680.637943] ? fs_reclaim_acquire+0x10/0x10 [ 1680.642268] ? check_preemption_disabled+0x34/0x1e0 [ 1680.647283] ? getname_flags+0xc4/0x540 [ 1680.651254] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1680.656708] ? getname_flags+0xc4/0x540 [ 1680.660677] kmem_cache_alloc+0x19e/0x2b0 [ 1680.664828] getname_flags+0xc4/0x540 [ 1680.668679] do_sys_open+0x1ea/0x580 [ 1680.672420] ? filp_open+0x60/0x60 [ 1680.675966] ? SyS_nanosleep+0x138/0x190 [ 1680.680257] ? hrtimer_nanosleep+0x470/0x470 [ 1680.684673] ? do_syscall_64+0x43/0x4b0 [ 1680.688661] ? do_sys_open+0x580/0x580 [ 1680.692550] do_syscall_64+0x19b/0x4b0 [ 1680.696444] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1680.701624] RIP: 0033:0x455680 [ 1680.704806] RSP: 002b:00007fffed769380 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1680.712515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1680.719781] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1680.727045] RBP: 0000000000000b38 R08: 0000000000000001 R09: 00000000015ef940 [ 1680.734307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001e [ 1680.741567] R13: 000000000018ad11 R14: 000000000000029b R15: 0000000000000000 [ 1680.752970] Swap cache stats: add 0, delete 0, find 0/0 [ 1680.758341] Free swap = 0kB [ 1680.781926] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1680.788852] Call Trace: [ 1680.791438] dump_stack+0xb9/0x11b [ 1680.794986] warn_alloc.cold.35+0x9d/0x1b7 [ 1680.799220] ? zone_watermark_ok_safe+0x240/0x240 [ 1680.804068] ? usleep_range+0x130/0x130 [ 1680.808567] __alloc_pages_nodemask+0x1425/0x2280 [ 1680.813449] ? finish_task_switch+0x1e6/0x610 [ 1680.817945] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1680.822783] ? __lock_acquire+0x619/0x4320 [ 1680.827013] ? finish_task_switch+0x1bd/0x610 [ 1680.831540] ? __lock_acquire+0x619/0x4320 [ 1680.835783] ? _raw_spin_unlock_irq+0x35/0x50 [ 1680.840271] ? finish_task_switch+0x1e6/0x610 [ 1680.844796] ? new_slab+0x358/0x470 [ 1680.848428] new_slab+0x3c0/0x470 [ 1680.851890] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1680.856908] ? getname_flags+0xc4/0x540 [ 1680.860886] ? fs_reclaim_acquire+0x10/0x10 [ 1680.865212] ? check_preemption_disabled+0x34/0x1e0 [ 1680.870228] ? getname_flags+0xc4/0x540 [ 1680.874207] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1680.879658] ? getname_flags+0xc4/0x540 [ 1680.883628] kmem_cache_alloc+0x19e/0x2b0 [ 1680.887791] getname_flags+0xc4/0x540 [ 1680.891599] do_sys_open+0x1ea/0x580 [ 1680.895312] ? filp_open+0x60/0x60 [ 1680.898851] ? SyS_nanosleep+0x138/0x190 [ 1680.902936] ? hrtimer_nanosleep+0x470/0x470 [ 1680.907348] ? do_syscall_64+0x43/0x4b0 [ 1680.911320] ? do_sys_open+0x580/0x580 [ 1680.915209] do_syscall_64+0x19b/0x4b0 [ 1680.919132] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1680.924317] RIP: 0033:0x455680 [ 1680.927502] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1680.935214] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1680.942481] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1680.949768] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1680.957030] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1680.964292] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1680.975465] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1680.982401] Call Trace: [ 1680.984992] dump_stack+0xb9/0x11b [ 1680.988548] warn_alloc.cold.35+0x9d/0x1b7 [ 1680.992780] ? zone_watermark_ok_safe+0x240/0x240 [ 1680.997622] ? usleep_range+0x130/0x130 [ 1681.001639] __alloc_pages_nodemask+0x1425/0x2280 [ 1681.006499] ? finish_task_switch+0x1e6/0x610 [ 1681.011000] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1681.015839] ? __lock_acquire+0x619/0x4320 [ 1681.020066] ? finish_task_switch+0x1bd/0x610 [ 1681.024565] ? __lock_acquire+0x619/0x4320 [ 1681.028795] ? _raw_spin_unlock_irq+0x35/0x50 [ 1681.033286] ? finish_task_switch+0x1e6/0x610 [ 1681.037807] ? new_slab+0x358/0x470 [ 1681.041434] new_slab+0x3c0/0x470 [ 1681.044898] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1681.049914] ? getname_flags+0xc4/0x540 [ 1681.053896] ? fs_reclaim_acquire+0x10/0x10 [ 1681.058224] ? check_preemption_disabled+0x34/0x1e0 [ 1681.063239] ? getname_flags+0xc4/0x540 [ 1681.067212] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1681.072658] ? getname_flags+0xc4/0x540 [ 1681.076623] kmem_cache_alloc+0x19e/0x2b0 [ 1681.080774] getname_flags+0xc4/0x540 [ 1681.084595] do_sys_open+0x1ea/0x580 [ 1681.088309] ? filp_open+0x60/0x60 [ 1681.091849] ? SyS_nanosleep+0x138/0x190 [ 1681.095918] ? hrtimer_nanosleep+0x470/0x470 [ 1681.100331] ? do_syscall_64+0x43/0x4b0 [ 1681.104303] ? do_sys_open+0x580/0x580 [ 1681.108208] do_syscall_64+0x19b/0x4b0 [ 1681.112103] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1681.117285] RIP: 0033:0x455680 [ 1681.120488] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1681.128238] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1681.135506] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1681.142767] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1681.150041] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1681.157299] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1681.199852] Out of memory: Kill process 9272 (syz-executor5) score 1010 or sacrifice child [ 1681.209953] CPU: 1 PID: 9279 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1681.216912] Call Trace: [ 1681.219505] dump_stack+0xb9/0x11b [ 1681.223068] warn_alloc.cold.35+0x9d/0x1b7 [ 1681.227300] ? zone_watermark_ok_safe+0x240/0x240 [ 1681.232200] __alloc_pages_nodemask+0x1425/0x2280 [ 1681.237066] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1681.241999] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1681.246855] ? copy_process.part.6+0x1435/0x6530 [ 1681.251648] ? rcu_read_lock_sched_held+0x102/0x120 [ 1681.256680] copy_process.part.6+0x267/0x6530 [ 1681.261198] ? check_preemption_disabled+0x34/0x1e0 [ 1681.266219] ? perf_trace_lock+0x11a/0x4c0 [ 1681.270456] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1681.275403] ? __cleanup_sighand+0x40/0x40 [ 1681.279639] ? change_protection+0x50/0x50 [ 1681.283883] ? SyS_mprotect+0x44a/0x610 [ 1681.287865] _do_fork+0x1c2/0xd50 [ 1681.291328] ? fork_idle+0x250/0x250 [ 1681.295049] ? mprotect_fixup+0x800/0x800 [ 1681.299250] ? do_syscall_64+0x43/0x4b0 [ 1681.303226] ? sys_vfork+0x20/0x20 [ 1681.306759] do_syscall_64+0x19b/0x4b0 [ 1681.310683] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1681.315868] RIP: 0033:0x45a049 [ 1681.319052] RSP: 002b:00007ffe88de5198 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1681.326757] RAX: ffffffffffffffda RBX: 00007f6a76708700 RCX: 000000000045a049 [ 1681.334018] RDX: 00007f6a767089d0 RSI: 00007f6a76707db0 RDI: 00000000003d0f00 [ 1681.341292] RBP: 00007ffe88de53a0 R08: 00007f6a76708700 R09: 00007f6a76708700 [ 1681.348549] R10: 00007f6a767089d0 R11: 0000000000000202 R12: 0000000000000000 [ 1681.355814] R13: 00007ffe88de524f R14: 00007f6a767089c0 R15: 000000000072c18c [ 1681.424700] Killed process 9272 (syz-executor5) total-vm:70604kB, anon-rss:18068kB, file-rss:52264kB, shmem-rss:0kB [ 1681.443773] Total swap = 0kB [ 1681.446798] 1965979 pages RAM [ 1681.449890] 0 pages HighMem/MovableOnly [ 1681.495809] lowmem_reserve[]: 0 0 0 [ 1681.499467] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1681.534842] syz-executor0: page allocation stalls for 63270ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1681.545037] oom_reaper: reaped process 9272 (syz-executor5), now anon-rss:18052kB, file-rss:19488kB, shmem-rss:0kB [ 1681.564623] modprobe invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 1681.621146] syz-executor5: page allocation failure: order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1681.694388] 315641 pages reserved [ 1681.734511] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1681.741480] Call Trace: [ 1681.744096] dump_stack+0xb9/0x11b [ 1681.747657] warn_alloc.cold.35+0x9d/0x1b7 [ 1681.751895] ? zone_watermark_ok_safe+0x240/0x240 [ 1681.756751] ? __mutex_unlock_slowpath+0x2a0/0x770 [ 1681.761716] __alloc_pages_nodemask+0x1425/0x2280 [ 1681.766575] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1681.771506] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1681.776436] ? perf_trace_lock+0x11a/0x4c0 [ 1681.780667] ? check_preemption_disabled+0x34/0x1e0 [ 1681.785724] ? rcu_read_lock_sched_held+0x102/0x120 [ 1681.790749] copy_process.part.6+0x267/0x6530 [ 1681.795258] ? __handle_mm_fault+0xdab/0x25f0 [ 1681.799750] ? lock_downgrade+0x560/0x560 [ 1681.803895] ? check_preemption_disabled+0x34/0x1e0 [ 1681.808917] ? perf_trace_lock+0x11a/0x4c0 [ 1681.813168] ? __cleanup_sighand+0x40/0x40 [ 1681.817409] ? vm_insert_page+0x6d0/0x6d0 [ 1681.821552] ? HARDIRQ_verbose+0x10/0x10 [ 1681.825643] _do_fork+0x1c2/0xd50 [ 1681.829104] ? fork_idle+0x250/0x250 [ 1681.832821] ? up_read+0x17/0x30 [ 1681.836192] ? __do_page_fault+0x64c/0xb60 [ 1681.840437] ? do_syscall_64+0x43/0x4b0 [ 1681.844422] ? sys_vfork+0x20/0x20 [ 1681.847984] do_syscall_64+0x19b/0x4b0 [ 1681.851886] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1681.857067] RIP: 0033:0x45a049 [ 1681.860276] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1681.867980] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1681.875246] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1681.882507] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1681.889764] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1681.897029] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1681.966705] CPU: 1 PID: 9272 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1681.973637] Call Trace: [ 1681.976267] dump_stack+0xb9/0x11b [ 1681.979824] warn_alloc.cold.35+0x9d/0x1b7 [ 1681.984055] ? zone_watermark_ok_safe+0x240/0x240 [ 1681.988894] ? usleep_range+0x130/0x130 [ 1681.992871] ? try_to_compact_pages+0x286/0x710 [ 1681.997559] __alloc_pages_nodemask+0x19f4/0x2280 [ 1682.002426] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1682.007352] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1682.012200] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1682.017422] ? copy_process.part.6+0x1435/0x6530 [ 1682.022219] ? rcu_read_lock_sched_held+0x102/0x120 [ 1682.027239] copy_process.part.6+0x267/0x6530 [ 1682.031740] ? __handle_mm_fault+0xdab/0x25f0 [ 1682.036231] ? lock_downgrade+0x560/0x560 [ 1682.040378] ? check_preemption_disabled+0x34/0x1e0 [ 1682.045410] ? perf_trace_lock+0x11a/0x4c0 [ 1682.049659] ? __cleanup_sighand+0x40/0x40 [ 1682.053887] ? vm_insert_page+0x6d0/0x6d0 [ 1682.058039] ? HARDIRQ_verbose+0x10/0x10 [ 1682.062123] _do_fork+0x1c2/0xd50 [ 1682.065580] ? fork_idle+0x250/0x250 [ 1682.069297] ? up_read+0x17/0x30 [ 1682.072658] ? __do_page_fault+0x64c/0xb60 [ 1682.076897] ? do_syscall_64+0x43/0x4b0 [ 1682.080901] ? sys_vfork+0x20/0x20 [ 1682.084434] do_syscall_64+0x19b/0x4b0 [ 1682.088328] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1682.093509] RIP: 0033:0x45a049 [ 1682.096716] RSP: 002b:00007fff0c3a7688 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1682.104438] RAX: ffffffffffffffda RBX: 00007f285655b700 RCX: 000000000045a049 [ 1682.111699] RDX: 00007f285655b9d0 RSI: 00007f285655adb0 RDI: 00000000003d0f00 [ 1682.118964] RBP: 00007fff0c3a7890 R08: 00007f285655b700 R09: 00007f285655b700 [ 1682.126229] R10: 00007f285655b9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1682.133493] R13: 00007fff0c3a773f R14: 00007f285655b9c0 R15: 000000000072c04c [ 1682.166184] syz-fuzzer: page allocation stalls for 23950ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1682.190079] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1682.256901] CPU: 1 PID: 9320 Comm: modprobe Not tainted 4.14.87+ #21 [ 1682.263406] Call Trace: [ 1682.265995] dump_stack+0xb9/0x11b [ 1682.269544] dump_header+0x17d/0x7a8 [ 1682.273258] ? trace_hardirqs_on_caller+0x381/0x520 [ 1682.278273] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1682.283370] ? ___ratelimit+0x4f/0x3f0 [ 1682.287272] oom_kill_process.cold.8+0x10/0xc88 [ 1682.291953] ? lock_downgrade+0x560/0x560 [ 1682.296124] ? check_preemption_disabled+0x34/0x1e0 [ 1682.301270] out_of_memory+0x669/0xa60 [ 1682.305167] ? oom_killer_disable+0x1f0/0x1f0 [ 1682.309683] __alloc_pages_nodemask+0x1969/0x2280 [ 1682.314550] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1682.319386] ? HARDIRQ_verbose+0x10/0x10 [ 1682.323452] ? check_preemption_disabled+0x34/0x1e0 [ 1682.328474] ? __lock_acquire+0x619/0x4320 [ 1682.332731] ? perf_trace_lock+0x11a/0x4c0 [ 1682.336989] ? new_slab+0x358/0x470 [ 1682.340620] new_slab+0x3c0/0x470 [ 1682.344080] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1682.349107] ? perf_event_mmap+0x447/0xc30 [ 1682.353349] ? fs_reclaim_acquire+0x10/0x10 [ 1682.357687] ? check_preemption_disabled+0x34/0x1e0 [ 1682.362700] ? perf_event_mmap+0x447/0xc30 [ 1682.366938] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1682.372407] kmem_cache_alloc_trace+0x1c6/0x300 [ 1682.377074] ? perf_event_mmap+0x447/0xc30 [ 1682.381309] perf_event_mmap+0x447/0xc30 [ 1682.385375] ? perf_event_namespaces+0x30/0x30 [ 1682.390001] ? call_rwsem_wake+0x17/0x30 [ 1682.394063] ? up_write+0x4e/0x60 [ 1682.397512] ? vma_link+0xd9/0x160 [ 1682.401055] mmap_region+0x219/0xfb0 [ 1682.404779] ? get_unmapped_area+0x215/0x310 [ 1682.409212] do_mmap+0x551/0xb80 [ 1682.412588] vm_mmap_pgoff+0x180/0x1d0 [ 1682.416500] ? vma_is_stack_for_current+0xb0/0xb0 [ 1682.421354] ? __fget+0x22b/0x3a0 [ 1682.424817] SyS_mmap_pgoff+0xf8/0x1a0 [ 1682.428703] ? align_vdso_addr+0x50/0x50 [ 1682.432763] do_syscall_64+0x19b/0x4b0 [ 1682.436662] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1682.441859] RIP: 0033:0x7ff3430b73ea [ 1682.445582] RSP: 002b:00007fffbd89b948 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 [ 1682.453296] RAX: ffffffffffffffda RBX: 00007ff3432bf9a8 RCX: 00007ff3430b73ea [ 1682.460557] RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007ff342e81000 [ 1682.467820] RBP: 00007fffbd89bca0 R08: 0000000000000000 R09: 0000000000183000 [ 1682.475086] R10: 0000000000000812 R11: 0000000000000206 R12: 00007fffbd89bd88 [ 1682.482345] R13: 0000000000000002 R14: 00007fffbd89b9c0 R15: 00007fffbd89b990 [ 1682.591109] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1682.597821] Call Trace: [ 1682.600451] dump_stack+0xb9/0x11b [ 1682.604027] warn_alloc.cold.35+0x9d/0x1b7 [ 1682.608258] ? zone_watermark_ok_safe+0x240/0x240 [ 1682.613096] ? usleep_range+0x130/0x130 [ 1682.617077] ? do_try_to_free_pages+0xde0/0xde0 [ 1682.621770] __alloc_pages_nodemask+0x1425/0x2280 [ 1682.626646] ? check_preemption_disabled+0x34/0x1e0 [ 1682.631665] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1682.636507] ? find_get_entry+0x118/0x550 [ 1682.640664] ? check_preemption_disabled+0x34/0x1e0 [ 1682.645689] ? check_preemption_disabled+0x34/0x1e0 [ 1682.650725] ? find_get_entry+0x13f/0x550 [ 1682.654878] ? pagecache_get_page+0x129/0x770 [ 1682.659416] filemap_fault+0xcdd/0x14a0 [ 1682.663424] ext4_filemap_fault+0x7d/0xb0 [ 1682.667571] __do_fault+0x80/0x210 [ 1682.671116] __handle_mm_fault+0x991/0x25f0 [ 1682.675444] ? vm_insert_page+0x6d0/0x6d0 [ 1682.679799] ? HARDIRQ_verbose+0x10/0x10 [ 1682.683855] ? HARDIRQ_verbose+0x10/0x10 [ 1682.687927] ? SyS_futex+0x249/0x2b5 [ 1682.691663] ? check_preemption_disabled+0x34/0x1e0 [ 1682.696698] handle_mm_fault+0x2f2/0x6eb [ 1682.700796] __do_page_fault+0x45d/0xb60 [ 1682.704858] ? retint_user+0x18/0x18 [ 1682.708585] ? bad_area_access_error+0x330/0x330 [ 1682.713337] ? page_fault+0x2c/0x50 [ 1682.716970] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1682.721814] ? page_fault+0x2c/0x50 [ 1682.725441] page_fault+0x42/0x50 [ 1682.728884] RIP: 0020:0x13 [ 1682.731735] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1682.762982] 10553 total pagecache pages [ 1682.904055] 0 pages in swap cache [ 1682.907569] Swap cache stats: add 0, delete 0, find 0/0 [ 1683.043919] Free swap = 0kB [ 1683.046970] Total swap = 0kB [ 1683.049979] 1965979 pages RAM [ 1683.180096] 0 pages HighMem/MovableOnly [ 1683.184101] 315641 pages reserved [ 1683.322600] warn_alloc_show_mem: 1 callbacks suppressed [ 1683.322604] Mem-Info: [ 1683.357426] syz-executor3: page allocation stalls for 65090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1683.385260] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1683.385260] active_file:76 inactive_file:83 isolated_file:0 [ 1683.385260] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1683.385260] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1683.385260] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1683.385260] free:4385 free_pcp:0 free_cma:0 [ 1683.565781] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1683.572726] Call Trace: [ 1683.575316] dump_stack+0xb9/0x11b [ 1683.578859] warn_alloc.cold.35+0x9d/0x1b7 [ 1683.583094] ? zone_watermark_ok_safe+0x240/0x240 [ 1683.587938] ? usleep_range+0x130/0x130 [ 1683.591968] __alloc_pages_nodemask+0x1425/0x2280 [ 1683.596838] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1683.601688] ? __lock_acquire+0x619/0x4320 [ 1683.605918] ? kasan_slab_free+0xac/0x190 [ 1683.610059] ? kmem_cache_free+0x12d/0x350 [ 1683.614304] ? putname+0xcf/0x100 [ 1683.617761] ? do_rmdir+0x161/0x3a0 [ 1683.621380] ? do_syscall_64+0x19b/0x4b0 [ 1683.625477] ? new_slab+0x358/0x470 [ 1683.629107] new_slab+0x3c0/0x470 [ 1683.632573] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1683.637589] ? getname_flags+0xc4/0x540 [ 1683.641571] ? fs_reclaim_acquire+0x10/0x10 [ 1683.645899] ? check_preemption_disabled+0x34/0x1e0 [ 1683.650917] ? getname_flags+0xc4/0x540 [ 1683.654887] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1683.660340] ? getname_flags+0xc4/0x540 [ 1683.664309] kmem_cache_alloc+0x19e/0x2b0 [ 1683.668463] getname_flags+0xc4/0x540 [ 1683.672259] ? task_work_run+0x6a/0x190 [ 1683.676260] SyS_mkdirat+0x8d/0x220 [ 1683.679884] ? trace_hardirqs_on_caller+0x381/0x520 [ 1683.684897] ? SyS_mknod+0x30/0x30 [ 1683.688444] ? do_syscall_64+0x43/0x4b0 [ 1683.692420] ? SyS_mkdirat+0x220/0x220 [ 1683.696330] do_syscall_64+0x19b/0x4b0 [ 1683.700236] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1683.705422] RIP: 0033:0x456a97 [ 1683.708636] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1683.716342] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1683.723607] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1683.730873] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1683.738135] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1683.745408] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1683.760107] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1683.769753] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1683.776756] Call Trace: [ 1683.779342] dump_stack+0xb9/0x11b [ 1683.782887] warn_alloc.cold.35+0x9d/0x1b7 [ 1683.787119] ? zone_watermark_ok_safe+0x240/0x240 [ 1683.791977] ? __lock_acquire+0x619/0x4320 [ 1683.796241] __alloc_pages_nodemask+0x19f4/0x2280 [ 1683.801161] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1683.806012] ? perf_trace_lock+0x11a/0x4c0 [ 1683.810240] ? trace_hardirqs_on+0x10/0x10 [ 1683.814495] ? HARDIRQ_verbose+0x10/0x10 [ 1683.818564] ? check_preemption_disabled+0x34/0x1e0 [ 1683.823590] new_slab+0x3c0/0x470 [ 1683.827052] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1683.832066] ? __sigqueue_alloc+0x1d9/0x400 [ 1683.836387] ? check_preemption_disabled+0x34/0x1e0 [ 1683.841438] ? check_preemption_disabled+0x34/0x1e0 [ 1683.846458] ? __sigqueue_alloc+0x1d9/0x400 [ 1683.850780] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1683.856227] ? __sigqueue_alloc+0x1d9/0x400 [ 1683.860543] kmem_cache_alloc+0x19e/0x2b0 [ 1683.864709] __sigqueue_alloc+0x1d9/0x400 [ 1683.868872] __send_signal+0x1b0/0x1200 [ 1683.872858] force_sig_info+0x241/0x340 [ 1683.876842] force_sig_info_fault.constprop.7+0x129/0x210 [ 1683.882377] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1683.887500] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1683.892437] ? bad_area_access_error+0x1de/0x330 [ 1683.897206] __bad_area_nosemaphore+0x192/0x280 [ 1683.901883] bad_area_access_error+0x1ff/0x330 [ 1683.906459] ? mm_fault_error+0x2b0/0x2b0 [ 1683.910616] ? vmacache_find+0x50/0x250 [ 1683.914599] __do_page_fault+0x6d0/0xb60 [ 1683.918663] ? retint_user+0x18/0x18 [ 1683.922375] ? bad_area_access_error+0x330/0x330 [ 1683.927134] ? page_fault+0x2c/0x50 [ 1683.930759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1683.935605] ? page_fault+0x2c/0x50 [ 1683.939231] page_fault+0x42/0x50 [ 1683.942679] RIP: 4c59bd:0x4da048 [ 1683.946037] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1683.946085] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1683.959390] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1683.968408] node 0: slabs: 32547, objs: 585846, free: 0 [ 1683.985017] syz-executor0: page allocation stalls for 65720ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1684.022005] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1684.088757] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1684.095711] Call Trace: [ 1684.098305] dump_stack+0xb9/0x11b [ 1684.101851] warn_alloc.cold.35+0x9d/0x1b7 [ 1684.106087] ? zone_watermark_ok_safe+0x240/0x240 [ 1684.110979] __alloc_pages_nodemask+0x1425/0x2280 [ 1684.115847] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1684.120775] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1684.125621] ? perf_trace_lock+0x11a/0x4c0 [ 1684.129852] ? check_preemption_disabled+0x34/0x1e0 [ 1684.134914] ? rcu_read_lock_sched_held+0x102/0x120 [ 1684.139938] copy_process.part.6+0x267/0x6530 [ 1684.144439] ? __handle_mm_fault+0xdab/0x25f0 [ 1684.148933] ? lock_downgrade+0x560/0x560 [ 1684.153082] ? check_preemption_disabled+0x34/0x1e0 [ 1684.158102] ? perf_trace_lock+0x11a/0x4c0 [ 1684.162352] ? __cleanup_sighand+0x40/0x40 [ 1684.166582] ? vm_insert_page+0x6d0/0x6d0 [ 1684.170721] ? HARDIRQ_verbose+0x10/0x10 [ 1684.174810] _do_fork+0x1c2/0xd50 [ 1684.178276] ? fork_idle+0x250/0x250 [ 1684.181991] ? up_read+0x17/0x30 [ 1684.185358] ? __do_page_fault+0x64c/0xb60 [ 1684.189597] ? do_syscall_64+0x43/0x4b0 [ 1684.193574] ? sys_vfork+0x20/0x20 [ 1684.197110] do_syscall_64+0x19b/0x4b0 [ 1684.201011] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1684.206199] RIP: 0033:0x45a049 [ 1684.209382] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1684.217098] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1684.224359] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1684.231624] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1684.238888] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1684.246150] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1684.342612] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1684.535746] lowmem_reserve[]: 0 3505 3505 [ 1684.539965] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1684.658148] warn_alloc_show_mem: 2 callbacks suppressed [ 1684.658152] Mem-Info: [ 1684.735007] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1684.735007] active_file:76 inactive_file:81 isolated_file:0 [ 1684.735007] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1684.735007] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1684.735007] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1684.735007] free:4385 free_pcp:0 free_cma:0 [ 1684.789308] lowmem_reserve[]: 0 0 0 [ 1684.818770] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1684.907065] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1684.998369] 10553 total pagecache pages [ 1685.022435] 0 pages in swap cache [ 1685.025893] Swap cache stats: add 0, delete 0, find 0/0 [ 1685.087683] Free swap = 0kB [ 1685.090861] Total swap = 0kB [ 1685.093876] 1965979 pages RAM [ 1685.096971] 0 pages HighMem/MovableOnly [ 1685.188130] 315641 pages reserved [ 1685.358852] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1685.497176] syz-executor0: page allocation stalls for 67230ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1685.612206] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1685.619157] Call Trace: [ 1685.621751] dump_stack+0xb9/0x11b [ 1685.625296] warn_alloc.cold.35+0x9d/0x1b7 [ 1685.629531] ? zone_watermark_ok_safe+0x240/0x240 [ 1685.634431] __alloc_pages_nodemask+0x1425/0x2280 [ 1685.639316] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1685.644248] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1685.649090] ? perf_trace_lock+0x11a/0x4c0 [ 1685.653320] ? check_preemption_disabled+0x34/0x1e0 [ 1685.658382] ? rcu_read_lock_sched_held+0x102/0x120 [ 1685.663426] copy_process.part.6+0x267/0x6530 [ 1685.667925] ? __handle_mm_fault+0xdab/0x25f0 [ 1685.672425] ? lock_downgrade+0x560/0x560 [ 1685.676581] ? check_preemption_disabled+0x34/0x1e0 [ 1685.681598] ? perf_trace_lock+0x11a/0x4c0 [ 1685.685843] ? __cleanup_sighand+0x40/0x40 [ 1685.690071] ? vm_insert_page+0x6d0/0x6d0 [ 1685.694221] ? HARDIRQ_verbose+0x10/0x10 [ 1685.698305] _do_fork+0x1c2/0xd50 [ 1685.701764] ? fork_idle+0x250/0x250 [ 1685.705476] ? up_read+0x17/0x30 [ 1685.708836] ? __do_page_fault+0x64c/0xb60 [ 1685.713075] ? do_syscall_64+0x43/0x4b0 [ 1685.717076] ? sys_vfork+0x20/0x20 [ 1685.720606] do_syscall_64+0x19b/0x4b0 [ 1685.724515] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1685.729727] RIP: 0033:0x45a049 [ 1685.732908] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1685.740617] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1685.747880] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1685.755142] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1685.762410] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1685.769675] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1685.791914] warn_alloc_show_mem: 6 callbacks suppressed [ 1685.791918] Mem-Info: [ 1685.799705] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1685.799705] active_file:76 inactive_file:83 isolated_file:0 [ 1685.799705] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1685.799705] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1685.799705] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1685.799705] free:4385 free_pcp:0 free_cma:0 [ 1686.140112] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1686.596625] cron: page allocation stalls for 30110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1686.914779] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:324kB unevictable:74848kB isolated(anon):0kB isolated(file):8kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1686.945526] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1686.951674] Call Trace: [ 1686.954265] dump_stack+0xb9/0x11b [ 1686.957811] warn_alloc.cold.35+0x9d/0x1b7 [ 1686.962046] ? zone_watermark_ok_safe+0x240/0x240 [ 1686.966887] ? usleep_range+0x130/0x130 [ 1686.970871] ? do_try_to_free_pages+0xde0/0xde0 [ 1686.975567] __alloc_pages_nodemask+0x1425/0x2280 [ 1686.980441] ? check_preemption_disabled+0x34/0x1e0 [ 1686.985460] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1686.990301] ? find_get_entry+0x118/0x550 [ 1686.994457] ? check_preemption_disabled+0x34/0x1e0 [ 1686.999472] ? check_preemption_disabled+0x34/0x1e0 [ 1687.004497] ? find_get_entry+0x13f/0x550 [ 1687.008663] ? pagecache_get_page+0x129/0x770 [ 1687.013166] filemap_fault+0xcdd/0x14a0 [ 1687.017171] ext4_filemap_fault+0x7d/0xb0 [ 1687.021320] __do_fault+0x80/0x210 [ 1687.024863] __handle_mm_fault+0x991/0x25f0 [ 1687.029197] ? vm_insert_page+0x6d0/0x6d0 [ 1687.033343] ? HARDIRQ_verbose+0x10/0x10 [ 1687.037407] ? HARDIRQ_verbose+0x10/0x10 [ 1687.041469] ? free_object+0xe4/0x240 [ 1687.045297] ? check_preemption_disabled+0x34/0x1e0 [ 1687.050324] handle_mm_fault+0x2f2/0x6eb [ 1687.054387] __do_page_fault+0x45d/0xb60 [ 1687.058460] ? retint_user+0x18/0x18 [ 1687.062171] ? bad_area_access_error+0x330/0x330 [ 1687.066925] ? page_fault+0x2c/0x50 [ 1687.070547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1687.075393] ? page_fault+0x2c/0x50 [ 1687.079029] page_fault+0x42/0x50 [ 1687.082477] RIP: 60882280: (null) [ 1687.086702] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1687.099696] lowmem_reserve[]: 0 3505 3505 [ 1687.375571] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:180kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1687.520072] modprobe: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1687.529331] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1687.535814] Call Trace: [ 1687.538390] [ 1687.540553] dump_stack+0xb9/0x11b [ 1687.544101] warn_alloc.cold.35+0x9d/0x1b7 [ 1687.548339] ? zone_watermark_ok_safe+0x240/0x240 [ 1687.553206] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1687.558169] __alloc_pages_nodemask+0x19f4/0x2280 [ 1687.563029] ? __lock_acquire+0x619/0x4320 [ 1687.567277] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1687.572132] ? trace_hardirqs_on+0x10/0x10 [ 1687.576364] ? check_preemption_disabled+0x34/0x1e0 [ 1687.581393] ? check_preemption_disabled+0x34/0x1e0 [ 1687.586429] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1687.591377] new_slab+0x3c0/0x470 [ 1687.594848] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1687.599867] ? __alloc_skb+0xd8/0x550 [ 1687.603663] ? perf_trace_lock+0x11a/0x4c0 [ 1687.607893] ? check_preemption_disabled+0x34/0x1e0 [ 1687.612911] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1687.617846] ? check_preemption_disabled+0x34/0x1e0 [ 1687.622864] ? __alloc_skb+0xd8/0x550 [ 1687.626666] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1687.632115] ? __alloc_skb+0xd8/0x550 [ 1687.635912] kmem_cache_alloc+0x19e/0x2b0 [ 1687.640064] __alloc_skb+0xd8/0x550 [ 1687.643695] ? __kmalloc_reserve.isra.8+0xc0/0xc0 [ 1687.648532] ? lock_acquire+0x10f/0x380 [ 1687.652503] ? unregister_die_notifier+0x20/0x20 [ 1687.657256] ? notifier_call_chain+0x155/0x1b0 [ 1687.661833] ? check_preemption_disabled+0x34/0x1e0 [ 1687.666858] __neigh_notify+0x83/0x140 [ 1687.670742] ? __neigh_event_send+0xd70/0xd70 [ 1687.675240] neigh_timer_handler+0x28f/0xa50 [ 1687.679653] ? neigh_dump_info+0x17d0/0x17d0 [ 1687.684060] call_timer_fn+0x163/0x6d0 [ 1687.687947] ? collect_expired_timers+0x280/0x280 [ 1687.692796] ? _raw_spin_unlock_irq+0x24/0x50 [ 1687.697301] expire_timers+0x1f3/0x4a0 [ 1687.701200] ? neigh_dump_info+0x17d0/0x17d0 [ 1687.705629] run_timer_softirq+0x1da/0x560 [ 1687.709863] ? clockevents_program_event+0x10d/0x2d0 [ 1687.714966] ? expire_timers+0x4a0/0x4a0 [ 1687.719058] __do_softirq+0x20d/0x9bd [ 1687.722862] ? check_preemption_disabled+0x34/0x1e0 [ 1687.727887] irq_exit+0x117/0x150 [ 1687.731358] smp_apic_timer_interrupt+0x18c/0x600 [ 1687.736211] apic_timer_interrupt+0x84/0x90 [ 1687.740523] [ 1687.742756] RIP: 0010:lock_acquire+0x15c/0x380 [ 1687.747340] RSP: 0000:ffff88805bd8f358 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 1687.755145] RAX: 0000000000000007 RBX: 0000000000000246 RCX: 0000000000000000 [ 1687.762414] RDX: 0000000000000000 RSI: ffff88819fd79fd8 RDI: 0000000000000246 [ 1687.769678] RBP: ffff88819fd79780 R08: 0000000000001500 R09: ffffffff8cad6fe0 [ 1687.776958] R10: ffff88819fd79fd8 R11: 0000000000000001 R12: 0000000000000000 [ 1687.784230] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 1687.791574] _raw_spin_lock+0x2a/0x40 [ 1687.795389] ? list_lru_count_one+0x7f/0x1d0 [ 1687.799799] list_lru_count_one+0x7f/0x1d0 [ 1687.804034] super_cache_count+0x139/0x2a0 [ 1687.808263] ? ext4_es_count+0x9d/0x350 [ 1687.812242] shrink_slab.part.8+0x25c/0xa30 [ 1687.816559] ? check_preemption_disabled+0x34/0x1e0 [ 1687.821598] ? unregister_shrinker+0x210/0x210 [ 1687.826188] ? mem_cgroup_iter+0x52b/0xcb0 [ 1687.830438] shrink_node+0x8c8/0xbf0 [ 1687.834181] ? shrink_node_memcg+0x12e0/0x12e0 [ 1687.838766] ? check_preemption_disabled+0x34/0x1e0 [ 1687.843797] ? ktime_get+0x17f/0x1c0 [ 1687.847525] do_try_to_free_pages+0x349/0xde0 [ 1687.852046] ? shrink_node+0xbf0/0xbf0 [ 1687.855950] try_to_free_pages+0x204/0x6b0 [ 1687.860182] ? get_page_from_freelist+0x894/0x1ea0 [ 1687.865111] ? do_try_to_free_pages+0xde0/0xde0 [ 1687.869839] __alloc_pages_nodemask+0xaf2/0x2280 [ 1687.874637] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1687.879503] ? __lock_acquire+0x619/0x4320 [ 1687.883743] ? __lock_acquire+0x619/0x4320 [ 1687.887982] ? __lock_acquire+0x619/0x4320 [ 1687.892253] ? new_slab+0x358/0x470 [ 1687.895880] new_slab+0x3c0/0x470 [ 1687.899340] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1687.904370] ? getname_flags+0xc4/0x540 [ 1687.908373] ? fs_reclaim_acquire+0x10/0x10 [ 1687.912707] ? check_preemption_disabled+0x34/0x1e0 [ 1687.917739] ? getname_flags+0xc4/0x540 [ 1687.921713] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1687.927160] ? getname_flags+0xc4/0x540 [ 1687.931132] kmem_cache_alloc+0x19e/0x2b0 [ 1687.935284] getname_flags+0xc4/0x540 [ 1687.939092] user_path_at_empty+0x28/0x80 [ 1687.943243] vfs_statx+0xe1/0x180 [ 1687.946693] ? vfs_statx_fd+0x90/0x90 [ 1687.950487] ? __might_fault+0x104/0x1b0 [ 1687.954570] ? lock_downgrade+0x560/0x560 [ 1687.958726] ? lock_acquire+0x10f/0x380 [ 1687.962693] ? __might_fault+0xd4/0x1b0 [ 1687.966684] SyS_newfstatat+0x89/0x100 [ 1687.970587] ? SyS_newlstat+0xf0/0xf0 [ 1687.974420] ? __might_fault+0x177/0x1b0 [ 1687.978496] ? SyS_getdents+0x1d0/0x270 [ 1687.982470] ? SyS_old_readdir+0x150/0x150 [ 1687.986703] ? compat_fillonedir+0x260/0x260 [ 1687.991120] ? do_syscall_64+0x43/0x4b0 [ 1687.995092] ? SyS_newlstat+0xf0/0xf0 [ 1687.998888] do_syscall_64+0x19b/0x4b0 [ 1688.002784] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1688.007968] RIP: 0033:0x7f7afb061e1a [ 1688.011673] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1688.019381] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1688.026651] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1688.033921] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1688.041185] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1688.048452] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1688.055763] warn_alloc_show_mem: 7 callbacks suppressed [ 1688.055767] Mem-Info: [ 1688.063529] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1688.063529] active_file:76 inactive_file:83 isolated_file:0 [ 1688.063529] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1688.063529] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1688.063529] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1688.063529] free:4385 free_pcp:0 free_cma:0 [ 1688.096945] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1688.120633] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1688.149593] lowmem_reserve[]: 0 3505 3505 [ 1688.153765] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:180kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1688.182724] lowmem_reserve[]: 0 0 0 [ 1688.186373] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1688.199647] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1688.212142] 10553 total pagecache pages [ 1688.216108] 0 pages in swap cache [ 1688.219551] Swap cache stats: add 0, delete 0, find 0/0 [ 1688.224901] Free swap = 0kB [ 1688.227912] Total swap = 0kB [ 1688.230914] 1965979 pages RAM [ 1688.234008] 0 pages HighMem/MovableOnly [ 1688.237965] 315641 pages reserved [ 1688.241421] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1688.249036] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1688.258816] node 0: slabs: 2266, objs: 27192, free: 0 [ 1688.272849] init: page allocation stalls for 70120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1688.293525] modprobe: page allocation stalls for 70020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1688.304722] modprobe: page allocation stalls for 70030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1688.323877] modprobe: page allocation stalls for 70070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1688.345004] syz-fuzzer: page allocation stalls for 30120ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1688.361061] syz-executor2: page allocation stalls for 70090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1688.372681] modprobe: page allocation stalls for 70120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1688.504259] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1688.558698] Mem-Info: [ 1688.577032] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1688.577032] active_file:76 inactive_file:83 isolated_file:0 [ 1688.577032] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1688.577032] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1688.577032] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1688.577032] free:4385 free_pcp:0 free_cma:0 [ 1688.613052] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1688.618937] Call Trace: [ 1688.621531] dump_stack+0xb9/0x11b [ 1688.625075] warn_alloc.cold.35+0x9d/0x1b7 [ 1688.629313] ? zone_watermark_ok_safe+0x240/0x240 [ 1688.634154] ? usleep_range+0x130/0x130 [ 1688.638174] __alloc_pages_nodemask+0x1425/0x2280 [ 1688.643039] ? __kernel_text_address+0x9/0x30 [ 1688.647534] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1688.652386] ? __lock_acquire+0x619/0x4320 [ 1688.656632] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1688.661129] ? kmemdup+0x20/0x50 [ 1688.664488] ? selinux_cred_prepare+0x3e/0x90 [ 1688.669001] ? new_slab+0x358/0x470 [ 1688.672640] new_slab+0x3c0/0x470 [ 1688.676101] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1688.681260] ? getname_flags+0xc4/0x540 [ 1688.685246] ? fs_reclaim_acquire+0x10/0x10 [ 1688.689579] ? check_preemption_disabled+0x34/0x1e0 [ 1688.694593] ? getname_flags+0xc4/0x540 [ 1688.698568] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1688.704021] ? getname_flags+0xc4/0x540 [ 1688.707995] kmem_cache_alloc+0x19e/0x2b0 [ 1688.712147] getname_flags+0xc4/0x540 [ 1688.715959] user_path_at_empty+0x28/0x80 [ 1688.720112] SyS_faccessat+0x20d/0x660 [ 1688.724010] ? SyS_fallocate+0x80/0x80 [ 1688.727905] ? do_syscall_64+0x43/0x4b0 [ 1688.731875] ? SyS_faccessat+0x660/0x660 [ 1688.735939] do_syscall_64+0x19b/0x4b0 [ 1688.739837] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1688.745021] RIP: 0033:0x7f413a3c43c7 [ 1688.748721] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1688.756423] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1688.763685] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1688.770948] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1688.778213] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1688.785506] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1688.818968] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1688.825471] Call Trace: [ 1688.828058] dump_stack+0xb9/0x11b [ 1688.831604] warn_alloc.cold.35+0x9d/0x1b7 [ 1688.835837] ? zone_watermark_ok_safe+0x240/0x240 [ 1688.840677] ? usleep_range+0x130/0x130 [ 1688.844702] __alloc_pages_nodemask+0x1425/0x2280 [ 1688.849565] ? perf_trace_lock+0x11a/0x4c0 [ 1688.853799] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1688.858640] ? check_preemption_disabled+0x34/0x1e0 [ 1688.863673] ? __lock_acquire+0x619/0x4320 [ 1688.867947] ? new_slab+0x358/0x470 [ 1688.871580] new_slab+0x3c0/0x470 [ 1688.875041] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1688.880154] ? getname_flags+0xc4/0x540 [ 1688.884165] ? fs_reclaim_acquire+0x10/0x10 [ 1688.888495] ? check_preemption_disabled+0x34/0x1e0 [ 1688.893510] ? getname_flags+0xc4/0x540 [ 1688.897480] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1688.902932] ? getname_flags+0xc4/0x540 [ 1688.906899] kmem_cache_alloc+0x19e/0x2b0 [ 1688.911049] getname_flags+0xc4/0x540 [ 1688.914855] user_path_at_empty+0x28/0x80 [ 1688.919004] vfs_statx+0xe1/0x180 [ 1688.922462] ? vfs_statx_fd+0x90/0x90 [ 1688.926277] SyS_newstat+0x81/0xf0 [ 1688.929818] ? SyS_fstat+0xe0/0xe0 [ 1688.933368] ? up_read+0x17/0x30 [ 1688.936739] ? __do_page_fault+0x64c/0xb60 [ 1688.940976] ? do_syscall_64+0x43/0x4b0 [ 1688.944953] ? SyS_fstat+0xe0/0xe0 [ 1688.948489] do_syscall_64+0x19b/0x4b0 [ 1688.952412] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1688.957596] RIP: 0033:0x7faa2689cc65 [ 1688.961297] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1688.969016] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1688.976282] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1688.983544] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1688.990811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1688.998073] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1689.006543] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1689.013038] Call Trace: [ 1689.015627] dump_stack+0xb9/0x11b [ 1689.019172] warn_alloc.cold.35+0x9d/0x1b7 [ 1689.023418] ? zone_watermark_ok_safe+0x240/0x240 [ 1689.028262] ? usleep_range+0x130/0x130 [ 1689.032279] __alloc_pages_nodemask+0x1425/0x2280 [ 1689.037144] ? check_preemption_disabled+0x34/0x1e0 [ 1689.042166] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1689.047011] ? __is_insn_slot_addr+0x139/0x1f0 [ 1689.051605] ? __lock_acquire+0x619/0x4320 [ 1689.055834] ? __lock_acquire+0x619/0x4320 [ 1689.060079] ? depot_save_stack+0x126/0x428 [ 1689.064422] ? perf_trace_lock+0x11a/0x4c0 [ 1689.068657] ? new_slab+0x358/0x470 [ 1689.072291] new_slab+0x3c0/0x470 [ 1689.075757] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1689.080773] ? perf_event_mmap+0x447/0xc30 [ 1689.085019] ? fs_reclaim_acquire+0x10/0x10 [ 1689.089357] ? check_preemption_disabled+0x34/0x1e0 [ 1689.094368] ? perf_event_mmap+0x447/0xc30 [ 1689.098642] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1689.104126] kmem_cache_alloc_trace+0x1c6/0x300 [ 1689.108881] ? perf_event_mmap+0x447/0xc30 [ 1689.113132] perf_event_mmap+0x447/0xc30 [ 1689.117207] ? perf_event_namespaces+0x30/0x30 [ 1689.121820] ? prot_none_test+0x10/0x10 [ 1689.125794] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1689.129969] mprotect_fixup+0x3b2/0x800 [ 1689.133956] ? change_protection+0x50/0x50 [ 1689.138210] ? file_map_prot_check+0x193/0x2c0 [ 1689.142797] ? selinux_file_mprotect+0xf6/0x5c0 [ 1689.147475] ? SyS_mprotect+0x16f/0x610 [ 1689.151469] SyS_mprotect+0x30a/0x610 [ 1689.155273] ? mprotect_fixup+0x800/0x800 [ 1689.159430] ? do_syscall_64+0x43/0x4b0 [ 1689.163412] ? mprotect_fixup+0x800/0x800 [ 1689.167579] do_syscall_64+0x19b/0x4b0 [ 1689.171478] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1689.176661] RIP: 0033:0x7f515b46a447 [ 1689.180361] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1689.188086] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1689.195348] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1689.202610] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1689.209873] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1689.217159] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1689.225536] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1689.232039] Call Trace: [ 1689.234623] dump_stack+0xb9/0x11b [ 1689.238182] warn_alloc.cold.35+0x9d/0x1b7 [ 1689.242444] ? zone_watermark_ok_safe+0x240/0x240 [ 1689.247283] ? usleep_range+0x130/0x130 [ 1689.251297] __alloc_pages_nodemask+0x1425/0x2280 [ 1689.256180] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1689.261052] ? __lock_acquire+0x619/0x4320 [ 1689.265282] ? __lock_acquire+0x619/0x4320 [ 1689.269526] ? __lock_acquire+0x619/0x4320 [ 1689.273774] ? new_slab+0x358/0x470 [ 1689.277411] new_slab+0x3c0/0x470 [ 1689.280871] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1689.285882] ? getname_flags+0xc4/0x540 [ 1689.289864] ? fs_reclaim_acquire+0x10/0x10 [ 1689.294211] ? check_preemption_disabled+0x34/0x1e0 [ 1689.299223] ? getname_flags+0xc4/0x540 [ 1689.303200] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1689.308651] ? getname_flags+0xc4/0x540 [ 1689.312620] kmem_cache_alloc+0x19e/0x2b0 [ 1689.316768] getname_flags+0xc4/0x540 [ 1689.320573] user_path_at_empty+0x28/0x80 [ 1689.324724] vfs_statx+0xe1/0x180 [ 1689.328191] ? vfs_statx_fd+0x90/0x90 [ 1689.331991] ? __might_fault+0x104/0x1b0 [ 1689.336049] ? lock_downgrade+0x560/0x560 [ 1689.340191] ? lock_acquire+0x10f/0x380 [ 1689.344162] ? __might_fault+0xd4/0x1b0 [ 1689.348145] SyS_newfstatat+0x89/0x100 [ 1689.352030] ? SyS_newlstat+0xf0/0xf0 [ 1689.355824] ? __might_fault+0x177/0x1b0 [ 1689.359882] ? SyS_getdents+0x1d0/0x270 [ 1689.363856] ? SyS_old_readdir+0x150/0x150 [ 1689.368089] ? compat_fillonedir+0x260/0x260 [ 1689.372506] ? do_syscall_64+0x43/0x4b0 [ 1689.376497] ? SyS_newlstat+0xf0/0xf0 [ 1689.380293] do_syscall_64+0x19b/0x4b0 [ 1689.384210] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1689.389395] RIP: 0033:0x7fe72a00be1a [ 1689.393108] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1689.400811] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1689.408073] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1689.415336] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1689.422596] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1689.429855] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1689.452308] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1689.458804] Call Trace: [ 1689.461391] dump_stack+0xb9/0x11b [ 1689.464947] warn_alloc.cold.35+0x9d/0x1b7 [ 1689.469183] ? zone_watermark_ok_safe+0x240/0x240 [ 1689.474027] ? usleep_range+0x130/0x130 [ 1689.478043] __alloc_pages_nodemask+0x1425/0x2280 [ 1689.482906] ? perf_trace_lock+0x11a/0x4c0 [ 1689.487156] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1689.491997] ? check_preemption_disabled+0x34/0x1e0 [ 1689.497016] ? __lock_acquire+0x619/0x4320 [ 1689.501331] ? new_slab+0x358/0x470 [ 1689.504959] new_slab+0x3c0/0x470 [ 1689.508429] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1689.513445] ? getname_flags+0xc4/0x540 [ 1689.517434] ? fs_reclaim_acquire+0x10/0x10 [ 1689.521762] ? check_preemption_disabled+0x34/0x1e0 [ 1689.526776] ? getname_flags+0xc4/0x540 [ 1689.530761] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1689.536214] ? getname_flags+0xc4/0x540 [ 1689.540187] kmem_cache_alloc+0x19e/0x2b0 [ 1689.544344] getname_flags+0xc4/0x540 [ 1689.548149] user_path_at_empty+0x28/0x80 [ 1689.552323] vfs_statx+0xe1/0x180 [ 1689.555797] ? vfs_statx_fd+0x90/0x90 [ 1689.559620] SyS_newstat+0x81/0xf0 [ 1689.563159] ? SyS_fstat+0xe0/0xe0 [ 1689.566705] ? up_read+0x17/0x30 [ 1689.570088] ? __do_page_fault+0x64c/0xb60 [ 1689.574325] ? do_syscall_64+0x43/0x4b0 [ 1689.578300] ? SyS_fstat+0xe0/0xe0 [ 1689.581834] do_syscall_64+0x19b/0x4b0 [ 1689.585732] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1689.590914] RIP: 0033:0x7f810d837c65 [ 1689.594616] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1689.602317] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1689.609582] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1689.616840] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1689.624101] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1689.631364] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1689.646629] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1689.653565] Call Trace: [ 1689.656152] dump_stack+0xb9/0x11b [ 1689.659722] warn_alloc.cold.35+0x9d/0x1b7 [ 1689.663958] ? zone_watermark_ok_safe+0x240/0x240 [ 1689.668799] ? usleep_range+0x130/0x130 [ 1689.672814] __alloc_pages_nodemask+0x1425/0x2280 [ 1689.677676] ? debug_check_no_obj_freed+0x150/0x77c [ 1689.682696] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1689.687538] ? __lock_acquire+0x619/0x4320 [ 1689.691776] ? __lock_acquire+0x619/0x4320 [ 1689.696003] ? lock_acquire+0x10f/0x380 [ 1689.699971] ? avc_has_perm+0x9e/0x390 [ 1689.703906] ? new_slab+0x358/0x470 [ 1689.707549] new_slab+0x3c0/0x470 [ 1689.711016] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1689.716030] ? __might_fault+0x104/0x1b0 [ 1689.720118] ? getname_flags+0xc4/0x540 [ 1689.724131] ? fs_reclaim_acquire+0x10/0x10 [ 1689.728470] ? check_preemption_disabled+0x34/0x1e0 [ 1689.733481] ? getname_flags+0xc4/0x540 [ 1689.737450] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1689.742929] ? getname_flags+0xc4/0x540 [ 1689.746894] kmem_cache_alloc+0x19e/0x2b0 [ 1689.751040] getname_flags+0xc4/0x540 [ 1689.754837] ? SyS_unlinkat+0x70/0x70 [ 1689.758629] do_unlinkat+0xc9/0x650 [ 1689.762257] ? do_rmdir+0x3a0/0x3a0 [ 1689.765882] ? SyS_newlstat+0x92/0xf0 [ 1689.769690] ? SyS_newstat+0xf0/0xf0 [ 1689.773522] ? do_syscall_64+0x43/0x4b0 [ 1689.777491] ? SyS_unlinkat+0x70/0x70 [ 1689.781286] do_syscall_64+0x19b/0x4b0 [ 1689.785175] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1689.790420] RIP: 0033:0x4573c7 [ 1689.793616] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1689.801314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1689.808573] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1689.815831] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1689.823090] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1689.830346] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1689.845609] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1689.852276] Call Trace: [ 1689.854877] dump_stack+0xb9/0x11b [ 1689.858448] warn_alloc.cold.35+0x9d/0x1b7 [ 1689.862677] ? zone_watermark_ok_safe+0x240/0x240 [ 1689.867542] ? usleep_range+0x130/0x130 [ 1689.871542] ? do_try_to_free_pages+0xde0/0xde0 [ 1689.876258] __alloc_pages_nodemask+0x1425/0x2280 [ 1689.881124] ? check_preemption_disabled+0x34/0x1e0 [ 1689.886146] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1689.891008] ? find_get_entry+0x118/0x550 [ 1689.895158] ? check_preemption_disabled+0x34/0x1e0 [ 1689.900170] ? check_preemption_disabled+0x34/0x1e0 [ 1689.905202] ? find_get_entry+0x13f/0x550 [ 1689.909359] ? pagecache_get_page+0x129/0x770 [ 1689.913898] filemap_fault+0xcdd/0x14a0 [ 1689.917895] ext4_filemap_fault+0x7d/0xb0 [ 1689.922043] __do_fault+0x80/0x210 [ 1689.925586] __handle_mm_fault+0x991/0x25f0 [ 1689.929917] ? vm_insert_page+0x6d0/0x6d0 [ 1689.934056] ? HARDIRQ_verbose+0x10/0x10 [ 1689.938105] ? HARDIRQ_verbose+0x10/0x10 [ 1689.942163] ? SyS_futex+0x249/0x2b5 [ 1689.945900] ? check_preemption_disabled+0x34/0x1e0 [ 1689.950916] handle_mm_fault+0x2f2/0x6eb [ 1689.954993] __do_page_fault+0x45d/0xb60 [ 1689.959069] ? retint_user+0x18/0x18 [ 1689.962777] ? bad_area_access_error+0x330/0x330 [ 1689.967544] ? page_fault+0x2c/0x50 [ 1689.971165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1689.976017] ? page_fault+0x2c/0x50 [ 1689.979643] page_fault+0x42/0x50 [ 1689.983089] RIP: 0020:0x13 [ 1689.985938] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1690.182943] lowmem_reserve[]: 0 0 0 [ 1690.193356] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1690.238145] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1690.261627] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1690.296271] Mem-Info: [ 1690.298695] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1690.298695] active_file:76 inactive_file:83 isolated_file:0 [ 1690.298695] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1690.298695] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1690.298695] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1690.298695] free:4385 free_pcp:0 free_cma:0 [ 1690.335674] lowmem_reserve[]: 0 3505 3505 [ 1690.339889] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1690.502704] lowmem_reserve[]: 0 3505 3505 [ 1690.506913] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1690.549998] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1690.585812] Mem-Info: [ 1690.588257] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1690.588257] active_file:76 inactive_file:83 isolated_file:0 [ 1690.588257] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1690.588257] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1690.588257] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1690.588257] free:4385 free_pcp:0 free_cma:0 [ 1690.837984] 10553 total pagecache pages [ 1690.850166] lowmem_reserve[]: 0 0 0 [ 1690.853840] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1690.939340] 0 pages in swap cache [ 1690.996844] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1691.013898] Swap cache stats: add 0, delete 0, find 0/0 [ 1691.019256] Free swap = 0kB [ 1691.092094] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:232kB unevictable:74848kB isolated(anon):0kB isolated(file):128kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1691.116099] lowmem_reserve[]: 0 0 0 [ 1691.119752] DMA32: 95*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15548kB [ 1691.142901] 10553 total pagecache pages [ 1691.146885] 0 pages in swap cache [ 1691.158361] Swap cache stats: add 0, delete 0, find 0/0 [ 1691.163782] Total swap = 0kB [ 1691.166795] 1965979 pages RAM [ 1691.169889] 0 pages HighMem/MovableOnly [ 1691.173975] warn_alloc: 16 callbacks suppressed [ 1691.173979] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1691.188288] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1691.195288] Call Trace: [ 1691.197876] dump_stack+0xb9/0x11b [ 1691.201428] warn_alloc.cold.35+0x9d/0x1b7 [ 1691.205667] ? zone_watermark_ok_safe+0x240/0x240 [ 1691.210528] ? __lock_acquire+0x619/0x4320 [ 1691.214803] __alloc_pages_nodemask+0x19f4/0x2280 [ 1691.219694] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1691.224536] ? perf_trace_lock+0x11a/0x4c0 [ 1691.228767] ? trace_hardirqs_on+0x10/0x10 [ 1691.233030] ? HARDIRQ_verbose+0x10/0x10 [ 1691.237101] ? check_preemption_disabled+0x34/0x1e0 [ 1691.242124] new_slab+0x3c0/0x470 [ 1691.245585] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1691.250603] ? __sigqueue_alloc+0x1d9/0x400 [ 1691.254919] ? check_preemption_disabled+0x34/0x1e0 [ 1691.259951] ? check_preemption_disabled+0x34/0x1e0 [ 1691.264965] ? __sigqueue_alloc+0x1d9/0x400 [ 1691.269285] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1691.274731] ? __sigqueue_alloc+0x1d9/0x400 [ 1691.279048] kmem_cache_alloc+0x19e/0x2b0 [ 1691.283203] __sigqueue_alloc+0x1d9/0x400 [ 1691.287357] __send_signal+0x1b0/0x1200 [ 1691.291345] force_sig_info+0x241/0x340 [ 1691.295330] force_sig_info_fault.constprop.7+0x129/0x210 [ 1691.300869] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1691.305983] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1691.310927] ? bad_area_access_error+0x1de/0x330 [ 1691.315698] __bad_area_nosemaphore+0x192/0x280 [ 1691.320377] bad_area_access_error+0x1ff/0x330 [ 1691.324967] ? mm_fault_error+0x2b0/0x2b0 [ 1691.329114] ? vmacache_find+0x50/0x250 [ 1691.333103] __do_page_fault+0x6d0/0xb60 [ 1691.337167] ? retint_user+0x18/0x18 [ 1691.340883] ? bad_area_access_error+0x330/0x330 [ 1691.345639] ? page_fault+0x2c/0x50 [ 1691.349261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1691.354110] ? page_fault+0x2c/0x50 [ 1691.357733] page_fault+0x42/0x50 [ 1691.361179] RIP: 4c59bd:0x4da048 [ 1691.364538] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1691.364587] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1691.377892] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1691.386895] node 0: slabs: 32547, objs: 585846, free: 0 [ 1691.397547] ksoftirqd/1: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1691.407026] CPU: 1 PID: 17 Comm: ksoftirqd/1 Not tainted 4.14.87+ #21 [ 1691.413597] Call Trace: [ 1691.416186] dump_stack+0xb9/0x11b [ 1691.419731] warn_alloc.cold.35+0x9d/0x1b7 [ 1691.423963] ? zone_watermark_ok_safe+0x240/0x240 [ 1691.428853] __alloc_pages_nodemask+0x19f4/0x2280 [ 1691.433725] ? inet_add_protocol.cold.0+0x2d/0x2d [ 1691.438611] ? check_preemption_disabled+0x34/0x1e0 [ 1691.443642] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1691.448479] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1691.453418] ? HARDIRQ_verbose+0x10/0x10 [ 1691.457502] ? ip_local_deliver+0x450/0x450 [ 1691.461844] ? update_group_capacity+0x65a/0xb50 [ 1691.466600] ? lock_downgrade+0x560/0x560 [ 1691.470741] ? lock_acquire+0x10f/0x380 [ 1691.474712] ? update_group_capacity+0x5a6/0xb50 [ 1691.479469] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1691.484579] new_slab+0x3c0/0x470 [ 1691.488042] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1691.493082] ? __build_skb+0x30/0x2c0 [ 1691.496899] ? perf_trace_lock+0x11a/0x4c0 [ 1691.501144] ? check_preemption_disabled+0x34/0x1e0 [ 1691.506160] ? check_preemption_disabled+0x34/0x1e0 [ 1691.511171] ? __build_skb+0x30/0x2c0 [ 1691.514976] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1691.520427] ? __build_skb+0x30/0x2c0 [ 1691.524226] kmem_cache_alloc+0x19e/0x2b0 [ 1691.528375] __build_skb+0x30/0x2c0 [ 1691.532011] __napi_alloc_skb+0x1ca/0x300 [ 1691.536163] page_to_skb.isra.18+0xa3/0x690 [ 1691.540511] receive_buf+0x1721/0x42c0 [ 1691.544420] ? virtnet_xdp_xmit.isra.20+0x710/0x710 [ 1691.549456] ? vring_unmap_one+0x15/0x3d0 [ 1691.553607] ? detach_buf+0x422/0x580 [ 1691.557413] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1691.562356] ? virtqueue_get_buf_ctx+0x3e9/0x6b0 [ 1691.567150] virtnet_poll+0x2af/0x910 [ 1691.570956] ? virtnet_restore+0x8d0/0x8d0 [ 1691.575187] ? check_preemption_disabled+0x34/0x1e0 [ 1691.580229] ? net_rx_action+0x21a/0xce0 [ 1691.584306] net_rx_action+0x371/0xce0 [ 1691.588205] ? _raw_spin_unlock_irq+0x35/0x50 [ 1691.592697] ? napi_complete_done+0x3a0/0x3a0 [ 1691.597212] ? __switch_to_asm+0x40/0x70 [ 1691.601277] ? __schedule+0x731/0x1ed0 [ 1691.605192] __do_softirq+0x20d/0x9bd [ 1691.609009] ? __local_bh_enable_ip+0xb0/0xb0 [ 1691.613503] run_ksoftirqd+0x2d/0xe0 [ 1691.617216] smpboot_thread_fn+0x57e/0x8a0 [ 1691.621474] ? __kthread_parkme+0x116/0x1d0 [ 1691.625836] ? sort_range+0x30/0x30 [ 1691.629469] ? sort_range+0x30/0x30 [ 1691.633098] ? sort_range+0x30/0x30 [ 1691.636718] kthread+0x348/0x420 [ 1691.640081] ? kthread_create_on_node+0xe0/0xe0 [ 1691.644752] ret_from_fork+0x3a/0x50 [ 1691.648543] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1691.656183] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1691.665986] node 0: slabs: 2266, objs: 27192, free: 0 [ 1691.699594] Free swap = 0kB [ 1691.702651] Total swap = 0kB [ 1691.705665] 1965979 pages RAM [ 1691.708758] 0 pages HighMem/MovableOnly [ 1691.712758] 315641 pages reserved [ 1691.720615] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1691.744255] 315641 pages reserved [ 1691.750057] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1691.764901] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.793928] 10553 total pagecache pages [ 1691.797901] 0 pages in swap cache [ 1691.801375] Swap cache stats: add 0, delete 0, find 0/0 [ 1691.806735] Free swap = 0kB [ 1691.809741] Total swap = 0kB [ 1691.812809] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.841826] 1965979 pages RAM [ 1691.844928] 0 pages HighMem/MovableOnly [ 1691.848902] 315641 pages reserved [ 1691.852383] lowmem_reserve[]: 0 3505 3505 [ 1691.856587] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.885643] warn_alloc_show_mem: 2 callbacks suppressed [ 1691.885647] Mem-Info: [ 1691.897950] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1691.897950] active_file:76 inactive_file:83 isolated_file:0 [ 1691.897950] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1691.897950] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1691.897950] mapped:58705 shmem:851 pagetables:22412 bounce:0 [ 1691.897950] free:4385 free_pcp:0 free_cma:0 [ 1691.931420] lowmem_reserve[]: 0 3505 3505 [ 1691.935625] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1691.969451] lowmem_reserve[]: 0 0 0 [ 1691.973135] DMA32: 101*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15572kB [ 1691.986559] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:304kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234820kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1692.010181] lowmem_reserve[]: 0 0 0 [ 1692.013824] DMA32: 101*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15572kB [ 1692.027264] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1692.039814] 10553 total pagecache pages [ 1692.043819] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1692.056380] 0 pages in swap cache [ 1692.059834] Swap cache stats: add 0, delete 0, find 0/0 [ 1692.067982] DMA32 free:15548kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:256kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1692.101916] Free swap = 0kB [ 1692.104943] Total swap = 0kB [ 1692.107952] 1965979 pages RAM [ 1692.114465] 10553 total pagecache pages [ 1692.118463] 0 pages in swap cache [ 1692.128946] Swap cache stats: add 0, delete 0, find 0/0 [ 1692.134354] 0 pages HighMem/MovableOnly [ 1692.138320] 315641 pages reserved [ 1692.141816] Free swap = 0kB [ 1692.144849] Total swap = 0kB [ 1692.147860] 1965979 pages RAM [ 1692.150996] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 1692.159672] [ 190] 0 190 5385 186 14 3 0 -1000 udevd [ 1692.168460] lowmem_reserve[]: 0 3505 3505 [ 1692.172661] 0 pages HighMem/MovableOnly [ 1692.176637] 315641 pages reserved [ 1692.182749] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1692.222048] [ 1484] 0 1484 2493 574 9 3 0 0 dhclient [ 1692.231743] [ 1625] 0 1625 30758 516 24 3 0 0 rsyslogd [ 1692.240798] [ 1679] 0 1679 4725 52 15 3 0 0 cron [ 1692.249478] [ 1687] 0 1687 3735 55 11 3 0 0 mcstransd [ 1692.258610] lowmem_reserve[]: 0 0 0 [ 1692.262288] DMA32: 101*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15572kB [ 1692.275708] [ 1702] 0 1702 12927 1232 26 3 0 0 restorecond [ 1692.285025] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1692.297567] [ 1724] 0 1724 12490 153 28 3 0 -1000 sshd [ 1692.306267] 10553 total pagecache pages [ 1692.310273] 0 pages in swap cache [ 1692.313723] Swap cache stats: add 0, delete 0, find 0/0 [ 1692.319092] Free swap = 0kB [ 1692.322149] [ 1756] 0 1756 3649 38 13 3 0 0 getty [ 1692.331014] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1692.340655] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1692.347657] Call Trace: [ 1692.350245] dump_stack+0xb9/0x11b [ 1692.353791] warn_alloc.cold.35+0x9d/0x1b7 [ 1692.358025] ? zone_watermark_ok_safe+0x240/0x240 [ 1692.362888] ? __lock_acquire+0x619/0x4320 [ 1692.367145] __alloc_pages_nodemask+0x19f4/0x2280 [ 1692.372030] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1692.376874] ? perf_trace_lock+0x11a/0x4c0 [ 1692.381102] ? trace_hardirqs_on+0x10/0x10 [ 1692.385357] ? HARDIRQ_verbose+0x10/0x10 [ 1692.389434] ? check_preemption_disabled+0x34/0x1e0 [ 1692.394462] new_slab+0x3c0/0x470 [ 1692.397923] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1692.402941] ? __sigqueue_alloc+0x1d9/0x400 [ 1692.407261] ? check_preemption_disabled+0x34/0x1e0 [ 1692.412294] ? check_preemption_disabled+0x34/0x1e0 [ 1692.417312] ? __sigqueue_alloc+0x1d9/0x400 [ 1692.421636] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1692.427084] ? __sigqueue_alloc+0x1d9/0x400 [ 1692.431410] kmem_cache_alloc+0x19e/0x2b0 [ 1692.435563] __sigqueue_alloc+0x1d9/0x400 [ 1692.439730] __send_signal+0x1b0/0x1200 [ 1692.443716] force_sig_info+0x241/0x340 [ 1692.447706] force_sig_info_fault.constprop.7+0x129/0x210 [ 1692.453242] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1692.458353] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1692.463287] ? bad_area_access_error+0x1de/0x330 [ 1692.468053] __bad_area_nosemaphore+0x192/0x280 [ 1692.472732] bad_area_access_error+0x1ff/0x330 [ 1692.477310] ? mm_fault_error+0x2b0/0x2b0 [ 1692.481815] ? vmacache_find+0x50/0x250 [ 1692.485803] __do_page_fault+0x6d0/0xb60 [ 1692.489871] ? retint_user+0x18/0x18 [ 1692.493583] ? bad_area_access_error+0x330/0x330 [ 1692.498337] ? page_fault+0x2c/0x50 [ 1692.501958] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1692.506804] ? page_fault+0x2c/0x50 [ 1692.510438] page_fault+0x42/0x50 [ 1692.513886] RIP: 4c59bd:0x4da048 [ 1692.517241] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1692.517289] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1692.530592] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1692.539596] node 0: slabs: 32547, objs: 585846, free: 0 [ 1692.548866] [ 1772] 0 1772 17821 212 40 3 0 0 sshd [ 1692.557580] Total swap = 0kB [ 1692.560629] 1965979 pages RAM [ 1692.563729] 0 pages HighMem/MovableOnly [ 1692.567693] 315641 pages reserved [ 1692.571186] [ 1774] 0 1774 128697 77996 213 5 0 0 syz-fuzzer [ 1692.583116] [ 1837] 0 1837 17553 16 22 3 0 0 syz-executor0 [ 1692.594665] [ 1838] 0 1838 17553 17 23 3 0 0 syz-executor2 [ 1692.604284] [ 1839] 0 1839 17553 16 22 3 0 0 syz-executor4 [ 1692.613784] [ 1840] 0 1840 17553 15 22 3 0 0 syz-executor1 [ 1692.668608] syz-executor0: page allocation stalls for 74400ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1692.681053] rs:main Q:Reg: page allocation stalls for 34440ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1692.693525] modprobe: page allocation stalls for 74420ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1692.716408] syz-executor3: page allocation stalls for 74450ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1692.744133] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1692.751060] Call Trace: [ 1692.753644] dump_stack+0xb9/0x11b [ 1692.757185] warn_alloc.cold.35+0x9d/0x1b7 [ 1692.761430] ? zone_watermark_ok_safe+0x240/0x240 [ 1692.766320] __alloc_pages_nodemask+0x1425/0x2280 [ 1692.771186] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1692.776145] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1692.781014] ? perf_trace_lock+0x11a/0x4c0 [ 1692.785273] ? check_preemption_disabled+0x34/0x1e0 [ 1692.790337] ? rcu_read_lock_sched_held+0x102/0x120 [ 1692.795359] copy_process.part.6+0x267/0x6530 [ 1692.799861] ? __handle_mm_fault+0xdab/0x25f0 [ 1692.804359] ? lock_downgrade+0x560/0x560 [ 1692.808968] ? check_preemption_disabled+0x34/0x1e0 [ 1692.813988] ? perf_trace_lock+0x11a/0x4c0 [ 1692.818237] ? __cleanup_sighand+0x40/0x40 [ 1692.822465] ? vm_insert_page+0x6d0/0x6d0 [ 1692.826607] ? HARDIRQ_verbose+0x10/0x10 [ 1692.830697] _do_fork+0x1c2/0xd50 [ 1692.834160] ? fork_idle+0x250/0x250 [ 1692.837874] ? up_read+0x17/0x30 [ 1692.841239] ? __do_page_fault+0x64c/0xb60 [ 1692.845512] ? do_syscall_64+0x43/0x4b0 [ 1692.849493] ? sys_vfork+0x20/0x20 [ 1692.853024] do_syscall_64+0x19b/0x4b0 [ 1692.856924] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1692.862106] RIP: 0033:0x45a049 [ 1692.865287] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1692.873002] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1692.880263] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1692.887526] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1692.894789] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1692.902055] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1692.924029] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1692.930529] Call Trace: [ 1692.933116] dump_stack+0xb9/0x11b [ 1692.936659] warn_alloc.cold.35+0x9d/0x1b7 [ 1692.940894] ? zone_watermark_ok_safe+0x240/0x240 [ 1692.945738] ? usleep_range+0x130/0x130 [ 1692.949756] __alloc_pages_nodemask+0x1425/0x2280 [ 1692.954618] ? get_page_from_freelist+0x756/0x1ea0 [ 1692.959548] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1692.964396] ? __lock_acquire+0x619/0x4320 [ 1692.968653] ? check_preemption_disabled+0x34/0x1e0 [ 1692.973691] ? new_slab+0x358/0x470 [ 1692.977322] new_slab+0x3c0/0x470 [ 1692.980784] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1692.985797] ? getname_flags+0xc4/0x540 [ 1692.989776] ? fs_reclaim_acquire+0x10/0x10 [ 1692.994102] ? check_preemption_disabled+0x34/0x1e0 [ 1692.999114] ? getname_flags+0xc4/0x540 [ 1693.003087] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1693.008533] ? getname_flags+0xc4/0x540 [ 1693.012501] kmem_cache_alloc+0x19e/0x2b0 [ 1693.016669] getname_flags+0xc4/0x540 [ 1693.020491] user_path_at_empty+0x28/0x80 [ 1693.024648] vfs_statx+0xe1/0x180 [ 1693.028116] ? vfs_statx_fd+0x90/0x90 [ 1693.031993] SyS_newstat+0x81/0xf0 [ 1693.035532] ? SyS_fstat+0xe0/0xe0 [ 1693.039094] ? up_read+0x17/0x30 [ 1693.042481] ? __do_page_fault+0x64c/0xb60 [ 1693.046718] ? do_syscall_64+0x43/0x4b0 [ 1693.050702] ? SyS_fstat+0xe0/0xe0 [ 1693.054240] do_syscall_64+0x19b/0x4b0 [ 1693.058152] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1693.063351] RIP: 0033:0x7f5cb3133c65 [ 1693.067068] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1693.074769] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1693.082034] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1693.089299] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1693.096590] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1693.103852] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1693.129746] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1693.136677] Call Trace: [ 1693.139263] dump_stack+0xb9/0x11b [ 1693.142823] warn_alloc.cold.35+0x9d/0x1b7 [ 1693.147052] ? zone_watermark_ok_safe+0x240/0x240 [ 1693.151911] ? usleep_range+0x130/0x130 [ 1693.155946] __alloc_pages_nodemask+0x1425/0x2280 [ 1693.160826] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1693.165676] ? __lock_acquire+0x619/0x4320 [ 1693.169903] ? kasan_slab_free+0xac/0x190 [ 1693.174065] ? kmem_cache_free+0x12d/0x350 [ 1693.178306] ? putname+0xcf/0x100 [ 1693.181753] ? do_rmdir+0x161/0x3a0 [ 1693.185389] ? do_syscall_64+0x19b/0x4b0 [ 1693.189480] ? new_slab+0x358/0x470 [ 1693.193104] new_slab+0x3c0/0x470 [ 1693.196564] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1693.201598] ? getname_flags+0xc4/0x540 [ 1693.205593] ? fs_reclaim_acquire+0x10/0x10 [ 1693.209922] ? check_preemption_disabled+0x34/0x1e0 [ 1693.214935] ? getname_flags+0xc4/0x540 [ 1693.218907] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1693.224357] ? getname_flags+0xc4/0x540 [ 1693.228326] kmem_cache_alloc+0x19e/0x2b0 [ 1693.232510] getname_flags+0xc4/0x540 [ 1693.236309] ? task_work_run+0x6a/0x190 [ 1693.240283] SyS_mkdirat+0x8d/0x220 [ 1693.243910] ? trace_hardirqs_on_caller+0x381/0x520 [ 1693.248923] ? SyS_mknod+0x30/0x30 [ 1693.252472] ? do_syscall_64+0x43/0x4b0 [ 1693.256455] ? SyS_mkdirat+0x220/0x220 [ 1693.260355] do_syscall_64+0x19b/0x4b0 [ 1693.264263] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1693.269445] RIP: 0033:0x456a97 [ 1693.272658] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1693.280363] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1693.287629] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1693.294889] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1693.302152] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1693.309420] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1693.410117] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1693.417111] Call Trace: [ 1693.419711] dump_stack+0xb9/0x11b [ 1693.423273] warn_alloc.cold.35+0x9d/0x1b7 [ 1693.427520] ? zone_watermark_ok_safe+0x240/0x240 [ 1693.432388] ? usleep_range+0x130/0x130 [ 1693.436376] ? do_try_to_free_pages+0xde0/0xde0 [ 1693.441078] __alloc_pages_nodemask+0x1425/0x2280 [ 1693.445952] ? check_preemption_disabled+0x34/0x1e0 [ 1693.450981] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1693.455825] ? find_get_entry+0x118/0x550 [ 1693.459972] ? check_preemption_disabled+0x34/0x1e0 [ 1693.464984] ? check_preemption_disabled+0x34/0x1e0 [ 1693.470006] ? find_get_entry+0x13f/0x550 [ 1693.474161] ? pagecache_get_page+0x129/0x770 [ 1693.478659] filemap_fault+0xcdd/0x14a0 [ 1693.482658] ext4_filemap_fault+0x7d/0xb0 [ 1693.486850] __do_fault+0x80/0x210 [ 1693.490391] __handle_mm_fault+0x991/0x25f0 [ 1693.494727] ? vm_insert_page+0x6d0/0x6d0 [ 1693.498871] ? HARDIRQ_verbose+0x10/0x10 [ 1693.502926] ? HARDIRQ_verbose+0x10/0x10 [ 1693.507017] ? check_preemption_disabled+0x34/0x1e0 [ 1693.512039] handle_mm_fault+0x2f2/0x6eb [ 1693.516102] __do_page_fault+0x45d/0xb60 [ 1693.520170] ? retint_user+0x18/0x18 [ 1693.523887] ? bad_area_access_error+0x330/0x330 [ 1693.528637] ? page_fault+0x2c/0x50 [ 1693.532269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1693.537157] ? page_fault+0x2c/0x50 [ 1693.540782] page_fault+0x42/0x50 [ 1693.544230] RIP: 0000:0x5 [ 1693.546977] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1693.619503] [ 1841] 0 1841 17553 16 22 3 0 0 syz-executor3 [ 1694.067946] [ 1842] 0 1842 17552 8220 24 4 0 0 syz-executor0 [ 1694.335175] [ 1843] 0 1843 17553 16 22 3 0 0 syz-executor5 [ 1694.624004] [ 1844] 0 1844 17552 8331 24 4 0 0 syz-executor2 [ 1694.887978] [ 1845] 0 1845 17552 8348 23 4 0 0 syz-executor4 [ 1695.154689] [ 1846] 0 1846 17552 8355 23 4 0 0 syz-executor1 [ 1695.328521] warn_alloc_show_mem: 8 callbacks suppressed [ 1695.328526] Mem-Info: [ 1695.395335] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1695.395335] active_file:58 inactive_file:83 isolated_file:0 [ 1695.395335] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1695.395335] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1695.395335] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1695.395335] free:4403 free_pcp:0 free_cma:0 [ 1695.453850] [ 1847] 0 1847 17552 8309 23 4 0 0 syz-executor5 [ 1695.717442] [ 1848] 0 1848 17552 8334 23 4 0 0 syz-executor3 [ 1695.801438] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1696.004792] [ 4578] 0 4578 17585 8197 24 3 0 1000 syz-executor5 [ 1696.094767] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.287932] [ 4582] 0 4582 17618 8200 25 3 0 1000 syz-executor5 [ 1696.443502] lowmem_reserve[]: 0 3505 3505 [ 1696.447855] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1696.585241] [ 4597] 0 4597 17585 8227 25 4 0 1000 syz-executor1 [ 1696.597172] cron: page allocation stalls for 40110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1696.854237] [ 4678] 0 4678 17585 8200 25 3 0 1000 syz-executor4 [ 1696.864698] lowmem_reserve[]: 0 0 0 [ 1696.868354] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1696.942591] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1696.948743] Call Trace: [ 1696.951329] dump_stack+0xb9/0x11b [ 1696.954867] warn_alloc.cold.35+0x9d/0x1b7 [ 1696.959093] ? zone_watermark_ok_safe+0x240/0x240 [ 1696.963926] ? usleep_range+0x130/0x130 [ 1696.967899] ? do_try_to_free_pages+0xde0/0xde0 [ 1696.972591] __alloc_pages_nodemask+0x1425/0x2280 [ 1696.977476] ? check_preemption_disabled+0x34/0x1e0 [ 1696.982525] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1696.987372] ? find_get_entry+0x118/0x550 [ 1696.991543] ? check_preemption_disabled+0x34/0x1e0 [ 1696.996552] ? check_preemption_disabled+0x34/0x1e0 [ 1697.001565] ? find_get_entry+0x13f/0x550 [ 1697.005717] ? pagecache_get_page+0x129/0x770 [ 1697.010250] filemap_fault+0xcdd/0x14a0 [ 1697.014302] ext4_filemap_fault+0x7d/0xb0 [ 1697.018443] __do_fault+0x80/0x210 [ 1697.021989] __handle_mm_fault+0x991/0x25f0 [ 1697.026318] ? vm_insert_page+0x6d0/0x6d0 [ 1697.030471] ? HARDIRQ_verbose+0x10/0x10 [ 1697.034537] ? HARDIRQ_verbose+0x10/0x10 [ 1697.038609] ? free_object+0xe4/0x240 [ 1697.042437] ? check_preemption_disabled+0x34/0x1e0 [ 1697.047461] handle_mm_fault+0x2f2/0x6eb [ 1697.051518] __do_page_fault+0x45d/0xb60 [ 1697.055591] ? retint_user+0x18/0x18 [ 1697.059314] ? bad_area_access_error+0x330/0x330 [ 1697.064065] ? page_fault+0x2c/0x50 [ 1697.067698] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1697.072538] ? page_fault+0x2c/0x50 [ 1697.076190] page_fault+0x42/0x50 [ 1697.079664] RIP: 60882280: (null) [ 1697.083886] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1697.199516] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1697.276276] [ 4815] 0 4815 17585 8202 26 3 0 1000 syz-executor2 [ 1697.417656] 10535 total pagecache pages [ 1697.465602] 0 pages in swap cache [ 1697.469089] Swap cache stats: add 0, delete 0, find 0/0 [ 1697.546709] [ 4819] 0 4819 17651 8206 26 3 0 1000 syz-executor2 [ 1697.579274] Free swap = 0kB [ 1697.582359] Total swap = 0kB [ 1697.585393] 1965979 pages RAM [ 1697.588505] 0 pages HighMem/MovableOnly [ 1697.723473] 315641 pages reserved [ 1697.732262] Mem-Info: [ 1697.734706] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1697.734706] active_file:58 inactive_file:83 isolated_file:0 [ 1697.734706] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1697.734706] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1697.734706] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1697.734706] free:4403 free_pcp:0 free_cma:0 [ 1697.849078] [ 4834] 0 4834 17585 8202 26 3 0 1000 syz-executor2 [ 1697.858663] syz-executor0: page allocation stalls for 79590ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1698.001010] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1698.007971] Call Trace: [ 1698.010584] dump_stack+0xb9/0x11b [ 1698.014145] warn_alloc.cold.35+0x9d/0x1b7 [ 1698.018416] ? zone_watermark_ok_safe+0x240/0x240 [ 1698.023321] __alloc_pages_nodemask+0x1425/0x2280 [ 1698.028181] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1698.033116] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1698.038019] ? perf_trace_lock+0x11a/0x4c0 [ 1698.042247] ? check_preemption_disabled+0x34/0x1e0 [ 1698.047300] ? rcu_read_lock_sched_held+0x102/0x120 [ 1698.052324] copy_process.part.6+0x267/0x6530 [ 1698.056820] ? __handle_mm_fault+0xdab/0x25f0 [ 1698.061314] ? lock_downgrade+0x560/0x560 [ 1698.065469] ? check_preemption_disabled+0x34/0x1e0 [ 1698.070495] ? perf_trace_lock+0x11a/0x4c0 [ 1698.074740] ? __cleanup_sighand+0x40/0x40 [ 1698.078972] ? vm_insert_page+0x6d0/0x6d0 [ 1698.083110] ? HARDIRQ_verbose+0x10/0x10 [ 1698.087213] _do_fork+0x1c2/0xd50 [ 1698.090675] ? fork_idle+0x250/0x250 [ 1698.094427] ? up_read+0x17/0x30 [ 1698.097787] ? __do_page_fault+0x64c/0xb60 [ 1698.102022] ? do_syscall_64+0x43/0x4b0 [ 1698.106032] ? sys_vfork+0x20/0x20 [ 1698.109575] do_syscall_64+0x19b/0x4b0 [ 1698.113469] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1698.118653] RIP: 0033:0x45a049 [ 1698.121837] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1698.129542] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1698.136804] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1698.144063] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1698.151364] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1698.158641] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1698.180087] modprobe: page allocation stalls for 80020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1698.230399] kthreadd: page allocation stalls for 80040ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1698.242362] init: page allocation stalls for 80090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1698.253224] syz-fuzzer: page allocation stalls for 40030ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1698.265449] kworker/u4:9: page allocation stalls for 80010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1698.297919] syz-fuzzer: page allocation stalls for 40080ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1698.313779] modprobe: page allocation stalls for 80040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1698.329179] syz-executor2: page allocation stalls for 80050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1698.356905] [ 4955] 0 4955 17618 8235 26 4 0 1000 syz-executor2 [ 1698.485469] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1698.492004] Call Trace: [ 1698.494610] dump_stack+0xb9/0x11b [ 1698.498157] warn_alloc.cold.35+0x9d/0x1b7 [ 1698.502387] ? zone_watermark_ok_safe+0x240/0x240 [ 1698.507233] ? usleep_range+0x130/0x130 [ 1698.511251] __alloc_pages_nodemask+0x1425/0x2280 [ 1698.516112] ? __kernel_text_address+0x9/0x30 [ 1698.520605] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1698.525476] ? __lock_acquire+0x619/0x4320 [ 1698.529711] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1698.534212] ? kmemdup+0x20/0x50 [ 1698.537576] ? selinux_cred_prepare+0x3e/0x90 [ 1698.542088] ? new_slab+0x358/0x470 [ 1698.545717] new_slab+0x3c0/0x470 [ 1698.549179] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1698.554197] ? getname_flags+0xc4/0x540 [ 1698.558181] ? fs_reclaim_acquire+0x10/0x10 [ 1698.562515] ? check_preemption_disabled+0x34/0x1e0 [ 1698.567525] ? getname_flags+0xc4/0x540 [ 1698.571499] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1698.576960] ? getname_flags+0xc4/0x540 [ 1698.580929] kmem_cache_alloc+0x19e/0x2b0 [ 1698.585102] getname_flags+0xc4/0x540 [ 1698.588907] user_path_at_empty+0x28/0x80 [ 1698.593056] SyS_faccessat+0x20d/0x660 [ 1698.596950] ? SyS_fallocate+0x80/0x80 [ 1698.600852] ? do_syscall_64+0x43/0x4b0 [ 1698.604838] ? SyS_faccessat+0x660/0x660 [ 1698.608894] do_syscall_64+0x19b/0x4b0 [ 1698.612792] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1698.617977] RIP: 0033:0x7fd4ad02d267 [ 1698.621700] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1698.629415] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1698.636677] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1698.643943] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1698.651222] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1698.658480] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1698.681486] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1698.689114] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1698.698130] node 0: slabs: 32547, objs: 585846, free: 0 [ 1698.717708] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1698.723591] Call Trace: [ 1698.726181] dump_stack+0xb9/0x11b [ 1698.729731] warn_alloc.cold.35+0x9d/0x1b7 [ 1698.733963] ? zone_watermark_ok_safe+0x240/0x240 [ 1698.738816] ? usleep_range+0x130/0x130 [ 1698.742831] __alloc_pages_nodemask+0x1425/0x2280 [ 1698.747724] ? __kernel_text_address+0x9/0x30 [ 1698.752226] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1698.757077] ? __lock_acquire+0x619/0x4320 [ 1698.761318] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1698.765817] ? kmemdup+0x20/0x50 [ 1698.769181] ? selinux_cred_prepare+0x3e/0x90 [ 1698.773695] ? new_slab+0x358/0x470 [ 1698.777323] new_slab+0x3c0/0x470 [ 1698.780785] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1698.785797] ? getname_flags+0xc4/0x540 [ 1698.789780] ? fs_reclaim_acquire+0x10/0x10 [ 1698.794107] ? check_preemption_disabled+0x34/0x1e0 [ 1698.799149] ? getname_flags+0xc4/0x540 [ 1698.803121] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1698.809054] ? getname_flags+0xc4/0x540 [ 1698.813040] kmem_cache_alloc+0x19e/0x2b0 [ 1698.817191] getname_flags+0xc4/0x540 [ 1698.821015] user_path_at_empty+0x28/0x80 [ 1698.825164] SyS_faccessat+0x20d/0x660 [ 1698.829055] ? SyS_fallocate+0x80/0x80 [ 1698.832958] ? do_syscall_64+0x43/0x4b0 [ 1698.836925] ? SyS_faccessat+0x660/0x660 [ 1698.840987] do_syscall_64+0x19b/0x4b0 [ 1698.844908] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1698.850092] RIP: 0033:0x7f413a3c43c7 [ 1698.853793] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1698.861499] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1698.868775] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1698.876049] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1698.883311] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1698.890571] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1698.903855] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1698.910693] Call Trace: [ 1698.913274] dump_stack+0xb9/0x11b [ 1698.916812] warn_alloc.cold.35+0x9d/0x1b7 [ 1698.921047] ? zone_watermark_ok_safe+0x240/0x240 [ 1698.925901] ? usleep_range+0x130/0x130 [ 1698.929916] __alloc_pages_nodemask+0x1425/0x2280 [ 1698.934791] ? perf_trace_lock+0x11a/0x4c0 [ 1698.939023] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1698.943865] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1698.948807] ? __lock_acquire+0x619/0x4320 [ 1698.953072] ? perf_trace_lock+0x11a/0x4c0 [ 1698.957301] ? new_slab+0x358/0x470 [ 1698.960930] new_slab+0x3c0/0x470 [ 1698.964389] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1698.969418] ? debug_object_deactivate+0x340/0x340 [ 1698.974352] ? getname_kernel+0x4e/0x340 [ 1698.978424] ? fs_reclaim_acquire+0x10/0x10 [ 1698.982748] ? check_preemption_disabled+0x34/0x1e0 [ 1698.987762] ? getname_kernel+0x4e/0x340 [ 1698.991819] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1698.997268] ? getname_kernel+0x4e/0x340 [ 1699.001328] kmem_cache_alloc+0x19e/0x2b0 [ 1699.005478] getname_kernel+0x4e/0x340 [ 1699.009369] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1699.014740] ? umh_complete+0x80/0x80 [ 1699.018537] ret_from_fork+0x3a/0x50 [ 1699.025477] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1699.031711] Call Trace: [ 1699.034299] dump_stack+0xb9/0x11b [ 1699.037844] warn_alloc.cold.35+0x9d/0x1b7 [ 1699.042079] ? zone_watermark_ok_safe+0x240/0x240 [ 1699.046968] __alloc_pages_nodemask+0x1425/0x2280 [ 1699.051827] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1699.056754] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1699.061603] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1699.066787] ? copy_process.part.6+0x1435/0x6530 [ 1699.071577] ? rcu_read_lock_sched_held+0x102/0x120 [ 1699.076595] copy_process.part.6+0x267/0x6530 [ 1699.081110] ? __lock_acquire+0x619/0x4320 [ 1699.085348] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1699.090450] ? kthread_create_on_node+0xe0/0xe0 [ 1699.095121] ? __cleanup_sighand+0x40/0x40 [ 1699.099358] ? perf_trace_lock+0x11a/0x4c0 [ 1699.103589] ? check_preemption_disabled+0x34/0x1e0 [ 1699.108610] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1699.113549] _do_fork+0x1c2/0xd50 [ 1699.117004] ? kthread_create_on_node+0xe0/0xe0 [ 1699.121671] ? fork_idle+0x250/0x250 [ 1699.125390] ? kthreadd+0x28a/0x3d0 [ 1699.129021] ? lock_downgrade+0x560/0x560 [ 1699.133161] ? lock_acquire+0x10f/0x380 [ 1699.137141] ? kthreadd+0x1c4/0x3d0 [ 1699.140793] ? kthread_create_on_node+0xe0/0xe0 [ 1699.145499] kernel_thread+0x2f/0x40 [ 1699.149216] kthreadd+0x29e/0x3d0 [ 1699.152661] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1699.157427] ? finish_task_switch+0x1e6/0x610 [ 1699.161912] ? __switch_to_asm+0x34/0x70 [ 1699.165965] ? __switch_to_asm+0x40/0x70 [ 1699.170018] ? __switch_to_asm+0x34/0x70 [ 1699.174081] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1699.178852] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1699.183608] ret_from_fork+0x3a/0x50 [ 1699.188495] [ 4985] 0 4985 17585 8233 26 4 0 1000 syz-executor2 [ 1699.211695] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1699.218366] Call Trace: [ 1699.220984] dump_stack+0xb9/0x11b [ 1699.224526] warn_alloc.cold.35+0x9d/0x1b7 [ 1699.228759] ? zone_watermark_ok_safe+0x240/0x240 [ 1699.233601] ? usleep_range+0x130/0x130 [ 1699.237583] ? do_try_to_free_pages+0xde0/0xde0 [ 1699.242279] __alloc_pages_nodemask+0x1425/0x2280 [ 1699.247142] ? check_preemption_disabled+0x34/0x1e0 [ 1699.252163] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1699.257007] ? find_get_entry+0x118/0x550 [ 1699.261159] ? check_preemption_disabled+0x34/0x1e0 [ 1699.266172] ? check_preemption_disabled+0x34/0x1e0 [ 1699.271205] ? find_get_entry+0x13f/0x550 [ 1699.275359] ? pagecache_get_page+0x129/0x770 [ 1699.279862] filemap_fault+0xcdd/0x14a0 [ 1699.283875] ext4_filemap_fault+0x7d/0xb0 [ 1699.288027] __do_fault+0x80/0x210 [ 1699.291569] __handle_mm_fault+0x991/0x25f0 [ 1699.295899] ? vm_insert_page+0x6d0/0x6d0 [ 1699.300044] ? HARDIRQ_verbose+0x10/0x10 [ 1699.304098] ? HARDIRQ_verbose+0x10/0x10 [ 1699.308156] ? SyS_futex+0x249/0x2b5 [ 1699.311899] ? check_preemption_disabled+0x34/0x1e0 [ 1699.316922] handle_mm_fault+0x2f2/0x6eb [ 1699.320989] __do_page_fault+0x45d/0xb60 [ 1699.325067] ? retint_user+0x18/0x18 [ 1699.328776] ? bad_area_access_error+0x330/0x330 [ 1699.333527] ? page_fault+0x2c/0x50 [ 1699.337162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1699.342027] ? page_fault+0x2c/0x50 [ 1699.345656] page_fault+0x42/0x50 [ 1699.349127] RIP: 0020:0x13 [ 1699.351964] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1699.359960] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1699.371884] Call Trace: [ 1699.374470] dump_stack+0xb9/0x11b [ 1699.378015] warn_alloc.cold.35+0x9d/0x1b7 [ 1699.382246] ? zone_watermark_ok_safe+0x240/0x240 [ 1699.387087] ? usleep_range+0x130/0x130 [ 1699.391114] __alloc_pages_nodemask+0x1425/0x2280 [ 1699.395972] ? perf_trace_lock+0x11a/0x4c0 [ 1699.400216] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1699.405057] ? check_preemption_disabled+0x34/0x1e0 [ 1699.410104] ? __lock_acquire+0x619/0x4320 [ 1699.414371] ? new_slab+0x358/0x470 [ 1699.417999] new_slab+0x3c0/0x470 [ 1699.421459] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1699.426474] ? getname_flags+0xc4/0x540 [ 1699.430457] ? fs_reclaim_acquire+0x10/0x10 [ 1699.434811] ? check_preemption_disabled+0x34/0x1e0 [ 1699.439861] ? getname_flags+0xc4/0x540 [ 1699.443832] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1699.449281] ? getname_flags+0xc4/0x540 [ 1699.453265] kmem_cache_alloc+0x19e/0x2b0 [ 1699.457419] getname_flags+0xc4/0x540 [ 1699.461239] user_path_at_empty+0x28/0x80 [ 1699.465386] vfs_statx+0xe1/0x180 [ 1699.468911] ? vfs_statx_fd+0x90/0x90 [ 1699.472748] SyS_newstat+0x81/0xf0 [ 1699.476284] ? SyS_fstat+0xe0/0xe0 [ 1699.479836] ? up_read+0x17/0x30 [ 1699.483204] ? __do_page_fault+0x64c/0xb60 [ 1699.487447] ? do_syscall_64+0x43/0x4b0 [ 1699.491427] ? SyS_fstat+0xe0/0xe0 [ 1699.494958] do_syscall_64+0x19b/0x4b0 [ 1699.498869] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1699.504050] RIP: 0033:0x7faa2689cc65 [ 1699.507755] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1699.515458] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1699.522717] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1699.529997] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1699.537269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1699.544531] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1699.559597] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1699.566527] Call Trace: [ 1699.569113] dump_stack+0xb9/0x11b [ 1699.572660] warn_alloc.cold.35+0x9d/0x1b7 [ 1699.576894] ? zone_watermark_ok_safe+0x240/0x240 [ 1699.581736] ? usleep_range+0x130/0x130 [ 1699.585746] __alloc_pages_nodemask+0x1425/0x2280 [ 1699.590622] ? debug_check_no_obj_freed+0x150/0x77c [ 1699.595638] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1699.600476] ? __lock_acquire+0x619/0x4320 [ 1699.604712] ? __lock_acquire+0x619/0x4320 [ 1699.608939] ? lock_acquire+0x10f/0x380 [ 1699.612909] ? avc_has_perm+0x9e/0x390 [ 1699.616826] ? new_slab+0x358/0x470 [ 1699.620492] new_slab+0x3c0/0x470 [ 1699.624028] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1699.629052] ? __might_fault+0x104/0x1b0 [ 1699.633107] ? getname_flags+0xc4/0x540 [ 1699.637088] ? fs_reclaim_acquire+0x10/0x10 [ 1699.641424] ? check_preemption_disabled+0x34/0x1e0 [ 1699.646441] ? getname_flags+0xc4/0x540 [ 1699.650426] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1699.655891] ? getname_flags+0xc4/0x540 [ 1699.659862] kmem_cache_alloc+0x19e/0x2b0 [ 1699.664016] getname_flags+0xc4/0x540 [ 1699.667813] ? SyS_unlinkat+0x70/0x70 [ 1699.671634] do_unlinkat+0xc9/0x650 [ 1699.675278] ? do_rmdir+0x3a0/0x3a0 [ 1699.678908] ? SyS_newlstat+0x92/0xf0 [ 1699.682703] ? SyS_newstat+0xf0/0xf0 [ 1699.686463] ? do_syscall_64+0x43/0x4b0 [ 1699.690438] ? SyS_unlinkat+0x70/0x70 [ 1699.694235] do_syscall_64+0x19b/0x4b0 [ 1699.698131] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1699.703312] RIP: 0033:0x4573c7 [ 1699.706496] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1699.714198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1699.721466] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1699.728727] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1699.736002] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1699.743284] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1699.756249] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1699.762915] Call Trace: [ 1699.765500] dump_stack+0xb9/0x11b [ 1699.769043] warn_alloc.cold.35+0x9d/0x1b7 [ 1699.773276] ? zone_watermark_ok_safe+0x240/0x240 [ 1699.778113] ? usleep_range+0x130/0x130 [ 1699.782089] ? do_try_to_free_pages+0xde0/0xde0 [ 1699.786803] __alloc_pages_nodemask+0x1425/0x2280 [ 1699.791665] ? check_preemption_disabled+0x34/0x1e0 [ 1699.796712] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1699.801557] ? find_get_entry+0x118/0x550 [ 1699.805717] ? check_preemption_disabled+0x34/0x1e0 [ 1699.810729] ? check_preemption_disabled+0x34/0x1e0 [ 1699.815753] ? find_get_entry+0x13f/0x550 [ 1699.819911] ? pagecache_get_page+0x129/0x770 [ 1699.824420] filemap_fault+0xcdd/0x14a0 [ 1699.828428] ext4_filemap_fault+0x7d/0xb0 [ 1699.832574] __do_fault+0x80/0x210 [ 1699.836119] __handle_mm_fault+0x991/0x25f0 [ 1699.840464] ? vm_insert_page+0x6d0/0x6d0 [ 1699.844629] ? HARDIRQ_verbose+0x10/0x10 [ 1699.848683] ? HARDIRQ_verbose+0x10/0x10 [ 1699.852743] ? SyS_futex+0x249/0x2b5 [ 1699.856496] ? check_preemption_disabled+0x34/0x1e0 [ 1699.861520] handle_mm_fault+0x2f2/0x6eb [ 1699.865585] __do_page_fault+0x45d/0xb60 [ 1699.869654] ? retint_user+0x18/0x18 [ 1699.873361] ? bad_area_access_error+0x330/0x330 [ 1699.878170] ? page_fault+0x2c/0x50 [ 1699.881797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1699.886646] ? page_fault+0x2c/0x50 [ 1699.890270] page_fault+0x42/0x50 [ 1699.893716] RIP: 0020:0x13 [ 1699.896550] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1700.033377] [ 5018] 0 5018 17585 8230 25 4 0 1000 syz-executor5 [ 1700.115113] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1700.263438] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1700.271087] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1700.280088] node 0: slabs: 32547, objs: 585846, free: 0 [ 1700.341221] [ 5035] 0 5035 17618 8234 25 4 0 1000 syz-executor3 [ 1700.385455] Mem-Info: [ 1700.387922] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1700.387922] active_file:58 inactive_file:83 isolated_file:0 [ 1700.387922] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1700.387922] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1700.387922] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1700.387922] free:4403 free_pcp:0 free_cma:0 [ 1700.559480] [ 5112] 0 5112 17618 8232 25 4 0 1000 syz-executor5 [ 1700.635568] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1700.767865] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1700.775660] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1700.784662] node 0: slabs: 32547, objs: 585846, free: 0 [ 1700.795550] [ 5131] 0 5131 17684 8201 23 3 0 1000 syz-executor0 [ 1700.979917] [ 5177] 0 5177 17618 12677 31 3 0 1000 syz-executor4 [ 1701.187454] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1701.214873] [ 5311] 0 5311 17684 8201 23 3 0 1000 syz-executor0 [ 1701.282887] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1701.290549] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1701.299550] node 0: slabs: 32547, objs: 585846, free: 0 [ 1701.316167] lowmem_reserve[]: 0 3505 3505 [ 1701.411985] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.472349] [ 5324] 0 5324 17618 12677 31 3 0 1000 syz-executor4 [ 1701.558051] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1701.565727] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1701.575509] node 0: slabs: 2266, objs: 27192, free: 0 [ 1701.589428] [ 5534] 0 5534 17717 10261 29 4 0 1000 syz-executor0 [ 1701.598950] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.637670] warn_alloc: 24 callbacks suppressed [ 1701.637675] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1701.652014] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1701.659014] Call Trace: [ 1701.661602] dump_stack+0xb9/0x11b [ 1701.665153] warn_alloc.cold.35+0x9d/0x1b7 [ 1701.669401] ? zone_watermark_ok_safe+0x240/0x240 [ 1701.674299] ? __lock_acquire+0x619/0x4320 [ 1701.678564] __alloc_pages_nodemask+0x19f4/0x2280 [ 1701.683443] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1701.688292] ? perf_trace_lock+0x11a/0x4c0 [ 1701.692520] ? trace_hardirqs_on+0x10/0x10 [ 1701.696790] ? HARDIRQ_verbose+0x10/0x10 [ 1701.700861] ? check_preemption_disabled+0x34/0x1e0 [ 1701.705883] new_slab+0x3c0/0x470 [ 1701.709363] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1701.714375] ? __sigqueue_alloc+0x1d9/0x400 [ 1701.718695] ? check_preemption_disabled+0x34/0x1e0 [ 1701.723744] ? check_preemption_disabled+0x34/0x1e0 [ 1701.728758] ? __sigqueue_alloc+0x1d9/0x400 [ 1701.733079] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1701.738523] ? __sigqueue_alloc+0x1d9/0x400 [ 1701.742834] kmem_cache_alloc+0x19e/0x2b0 [ 1701.746977] __sigqueue_alloc+0x1d9/0x400 [ 1701.751119] __send_signal+0x1b0/0x1200 [ 1701.755098] force_sig_info+0x241/0x340 [ 1701.759074] force_sig_info_fault.constprop.7+0x129/0x210 [ 1701.764608] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1701.769715] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1701.774653] ? bad_area_access_error+0x1de/0x330 [ 1701.779423] __bad_area_nosemaphore+0x192/0x280 [ 1701.784094] bad_area_access_error+0x1ff/0x330 [ 1701.788688] ? mm_fault_error+0x2b0/0x2b0 [ 1701.792857] ? vmacache_find+0x50/0x250 [ 1701.796835] __do_page_fault+0x6d0/0xb60 [ 1701.800911] ? retint_user+0x18/0x18 [ 1701.804629] ? bad_area_access_error+0x330/0x330 [ 1701.809381] ? page_fault+0x2c/0x50 [ 1701.813009] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1701.817852] ? page_fault+0x2c/0x50 [ 1701.821487] page_fault+0x42/0x50 [ 1701.824930] RIP: 4c59bd:0x4da048 [ 1701.828285] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1701.828323] warn_alloc_show_mem: 2 callbacks suppressed [ 1701.828326] Mem-Info: [ 1701.841796] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1701.841796] active_file:58 inactive_file:83 isolated_file:0 [ 1701.841796] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1701.841796] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1701.841796] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1701.841796] free:4403 free_pcp:0 free_cma:0 [ 1701.875243] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1701.898951] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.927921] lowmem_reserve[]: 0 3505 3505 [ 1701.932111] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1701.961077] lowmem_reserve[]: 0 0 0 [ 1701.964714] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1701.978077] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1701.990575] 10535 total pagecache pages [ 1701.994539] 0 pages in swap cache [ 1701.997976] Swap cache stats: add 0, delete 0, find 0/0 [ 1702.003321] Free swap = 0kB [ 1702.006325] Total swap = 0kB [ 1702.009332] 1965979 pages RAM [ 1702.012450] 0 pages HighMem/MovableOnly [ 1702.016417] 315641 pages reserved [ 1702.019861] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1702.027467] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1702.036482] node 0: slabs: 32547, objs: 585846, free: 0 [ 1702.185275] [ 5645] 0 5645 17585 8188 23 3 0 1000 syz-executor5 [ 1702.374613] lowmem_reserve[]: 0 0 0 [ 1702.378312] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1702.415966] [ 5694] 0 5694 17639 8234 25 4 0 1000 syz-executor3 [ 1702.633602] [ 5719] 0 5719 17585 8235 26 4 0 1000 syz-executor3 [ 1702.762006] lowmem_reserve[]: 0 3505 3505 [ 1702.766347] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1702.824913] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1702.868669] warn_alloc_show_mem: 1 callbacks suppressed [ 1702.868674] Mem-Info: [ 1702.912327] [ 5803] 0 5803 17651 8237 26 4 0 1000 syz-executor2 [ 1703.004496] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1703.004496] active_file:58 inactive_file:83 isolated_file:0 [ 1703.004496] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1703.004496] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1703.004496] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1703.004496] free:4403 free_pcp:0 free_cma:0 [ 1703.176846] 10535 total pagecache pages [ 1703.181310] [ 5891] 0 5891 17585 8200 24 3 0 1000 syz-executor3 [ 1703.286615] 0 pages in swap cache [ 1703.363153] Swap cache stats: add 0, delete 0, find 0/0 [ 1703.368599] Free swap = 0kB [ 1703.419002] [ 5893] 0 5893 17618 8199 24 3 0 1000 syz-executor5 [ 1703.576003] Total swap = 0kB [ 1703.579056] 1965979 pages RAM [ 1703.661349] [ 5910] 0 5910 17651 8205 25 3 0 1000 syz-executor3 [ 1703.682185] lowmem_reserve[]: 0 0 0 [ 1703.685846] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1703.767020] 0 pages HighMem/MovableOnly [ 1703.867194] 315641 pages reserved [ 1703.895254] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1703.940120] [ 5920] 0 5920 17684 8204 24 3 0 1000 syz-executor5 [ 1703.949603] [ 5928] 0 5928 17585 8200 24 3 0 1000 syz-executor3 [ 1704.048229] warn_alloc_show_mem: 2 callbacks suppressed [ 1704.048233] Mem-Info: [ 1704.106617] rs:main Q:Reg: page allocation stalls for 45860ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1704.173191] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1704.206279] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1704.206279] active_file:58 inactive_file:83 isolated_file:0 [ 1704.206279] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1704.206279] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1704.206279] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1704.206279] free:4403 free_pcp:0 free_cma:0 [ 1704.433596] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1704.440553] Call Trace: [ 1704.443146] dump_stack+0xb9/0x11b [ 1704.446704] warn_alloc.cold.35+0x9d/0x1b7 [ 1704.450941] ? zone_watermark_ok_safe+0x240/0x240 [ 1704.455798] ? usleep_range+0x130/0x130 [ 1704.459782] ? do_try_to_free_pages+0xde0/0xde0 [ 1704.464479] __alloc_pages_nodemask+0x1425/0x2280 [ 1704.469356] ? check_preemption_disabled+0x34/0x1e0 [ 1704.474371] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1704.479217] ? find_get_entry+0x118/0x550 [ 1704.483382] ? check_preemption_disabled+0x34/0x1e0 [ 1704.488406] ? check_preemption_disabled+0x34/0x1e0 [ 1704.493445] ? find_get_entry+0x13f/0x550 [ 1704.497600] ? pagecache_get_page+0x129/0x770 [ 1704.502096] filemap_fault+0xcdd/0x14a0 [ 1704.506093] ext4_filemap_fault+0x7d/0xb0 [ 1704.510242] __do_fault+0x80/0x210 [ 1704.513782] __handle_mm_fault+0x991/0x25f0 [ 1704.518107] ? vm_insert_page+0x6d0/0x6d0 [ 1704.522246] ? HARDIRQ_verbose+0x10/0x10 [ 1704.526300] ? HARDIRQ_verbose+0x10/0x10 [ 1704.530390] ? check_preemption_disabled+0x34/0x1e0 [ 1704.535428] handle_mm_fault+0x2f2/0x6eb [ 1704.539488] __do_page_fault+0x45d/0xb60 [ 1704.543552] ? retint_user+0x18/0x18 [ 1704.547262] ? bad_area_access_error+0x330/0x330 [ 1704.552013] ? page_fault+0x2c/0x50 [ 1704.555635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1704.560481] ? page_fault+0x2c/0x50 [ 1704.564127] page_fault+0x42/0x50 [ 1704.567585] RIP: 0000:0x5 [ 1704.570348] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1704.630172] [ 5965] 0 5965 17618 8234 26 4 0 1000 syz-executor2 [ 1704.681912] 10535 total pagecache pages [ 1704.685973] 0 pages in swap cache [ 1704.689421] Swap cache stats: add 0, delete 0, find 0/0 [ 1704.762709] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1705.063881] Free swap = 0kB [ 1705.066948] Total swap = 0kB [ 1705.069951] 1965979 pages RAM [ 1705.092529] warn_alloc_show_mem: 2 callbacks suppressed [ 1705.092532] Mem-Info: [ 1705.100423] [ 6015] 0 6015 17618 8232 25 4 0 1000 syz-executor1 [ 1705.109885] [ 6062] 0 6062 17585 8199 24 3 0 1000 syz-executor1 [ 1705.334770] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1705.334770] active_file:58 inactive_file:83 isolated_file:0 [ 1705.334770] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1705.334770] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1705.334770] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1705.334770] free:4403 free_pcp:0 free_cma:0 [ 1705.389137] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1705.425126] 0 pages HighMem/MovableOnly [ 1705.429106] 315641 pages reserved [ 1705.683939] lowmem_reserve[]: 0 3505 3505 [ 1705.688157] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1705.764772] [ 6063] 0 6063 17651 8235 25 4 0 1000 syz-executor1 [ 1705.801460] modprobe: page allocation stalls for 87530ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1706.047260] [ 6066] 0 6066 17618 8201 24 3 0 1000 syz-executor1 [ 1706.071710] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1706.078213] Call Trace: [ 1706.080805] dump_stack+0xb9/0x11b [ 1706.084349] warn_alloc.cold.35+0x9d/0x1b7 [ 1706.088586] ? zone_watermark_ok_safe+0x240/0x240 [ 1706.093432] ? usleep_range+0x130/0x130 [ 1706.097452] __alloc_pages_nodemask+0x1425/0x2280 [ 1706.102341] ? get_page_from_freelist+0x756/0x1ea0 [ 1706.107286] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1706.112133] ? __lock_acquire+0x619/0x4320 [ 1706.116379] ? check_preemption_disabled+0x34/0x1e0 [ 1706.121424] ? new_slab+0x358/0x470 [ 1706.125060] new_slab+0x3c0/0x470 [ 1706.128520] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1706.133558] ? getname_flags+0xc4/0x540 [ 1706.137558] ? fs_reclaim_acquire+0x10/0x10 [ 1706.141885] ? check_preemption_disabled+0x34/0x1e0 [ 1706.146908] ? getname_flags+0xc4/0x540 [ 1706.150877] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1706.156322] ? getname_flags+0xc4/0x540 [ 1706.160288] kmem_cache_alloc+0x19e/0x2b0 [ 1706.164444] getname_flags+0xc4/0x540 [ 1706.168245] user_path_at_empty+0x28/0x80 [ 1706.172401] vfs_statx+0xe1/0x180 [ 1706.175870] ? vfs_statx_fd+0x90/0x90 [ 1706.179700] SyS_newstat+0x81/0xf0 [ 1706.183232] ? SyS_fstat+0xe0/0xe0 [ 1706.186776] ? up_read+0x17/0x30 [ 1706.190134] ? __do_page_fault+0x64c/0xb60 [ 1706.194400] ? do_syscall_64+0x43/0x4b0 [ 1706.198398] ? SyS_fstat+0xe0/0xe0 [ 1706.201944] do_syscall_64+0x19b/0x4b0 [ 1706.205862] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1706.211074] RIP: 0033:0x7f5cb3133c65 [ 1706.214786] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1706.222487] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1706.229747] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1706.237010] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1706.244267] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1706.251526] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1706.272465] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:116kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1706.308008] [ 6117] 0 6117 17651 8234 25 4 0 1000 syz-executor1 [ 1706.319992] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1706.349650] [ 6151] 0 6151 17618 8231 25 4 0 1000 syz-executor4 [ 1706.359195] lowmem_reserve[]: 0 0 0 [ 1706.362938] modprobe: page allocation stalls for 88110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1706.378480] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1706.438017] [ 6226] 0 6226 17618 8200 25 3 0 1000 syz-executor4 [ 1706.475500] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1706.482004] Call Trace: [ 1706.484617] dump_stack+0xb9/0x11b [ 1706.488160] warn_alloc.cold.35+0x9d/0x1b7 [ 1706.492423] ? zone_watermark_ok_safe+0x240/0x240 [ 1706.497294] ? usleep_range+0x130/0x130 [ 1706.501348] __alloc_pages_nodemask+0x1425/0x2280 [ 1706.506223] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1706.511074] ? __lock_acquire+0x619/0x4320 [ 1706.515305] ? __lock_acquire+0x619/0x4320 [ 1706.519545] ? __lock_acquire+0x619/0x4320 [ 1706.523801] ? new_slab+0x358/0x470 [ 1706.527437] new_slab+0x3c0/0x470 [ 1706.530906] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1706.535923] ? getname_flags+0xc4/0x540 [ 1706.539907] ? fs_reclaim_acquire+0x10/0x10 [ 1706.544233] ? check_preemption_disabled+0x34/0x1e0 [ 1706.549278] ? getname_flags+0xc4/0x540 [ 1706.553273] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1706.558720] ? getname_flags+0xc4/0x540 [ 1706.562709] kmem_cache_alloc+0x19e/0x2b0 [ 1706.566862] getname_flags+0xc4/0x540 [ 1706.570672] user_path_at_empty+0x28/0x80 [ 1706.574837] vfs_statx+0xe1/0x180 [ 1706.578307] ? vfs_statx_fd+0x90/0x90 [ 1706.582104] ? __might_fault+0x104/0x1b0 [ 1706.586174] ? lock_downgrade+0x560/0x560 [ 1706.590318] ? lock_acquire+0x10f/0x380 [ 1706.594286] ? __might_fault+0xd4/0x1b0 [ 1706.598262] SyS_newfstatat+0x89/0x100 [ 1706.602146] ? SyS_newlstat+0xf0/0xf0 [ 1706.605944] ? __might_fault+0x177/0x1b0 [ 1706.610007] ? SyS_getdents+0x1d0/0x270 [ 1706.613983] ? SyS_old_readdir+0x150/0x150 [ 1706.618219] ? compat_fillonedir+0x260/0x260 [ 1706.622632] ? do_syscall_64+0x43/0x4b0 [ 1706.626603] ? SyS_newlstat+0xf0/0xf0 [ 1706.630399] do_syscall_64+0x19b/0x4b0 [ 1706.634305] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1706.639492] RIP: 0033:0x7f7afb061e1a [ 1706.643196] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1706.650904] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1706.658167] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1706.665435] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1706.672699] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1706.680147] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1706.754892] cron: page allocation stalls for 50270ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1706.849170] lowmem_reserve[]: 0 3505 3505 [ 1706.913511] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:116kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1706.947394] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:116kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1707.080947] [ 6245] 0 6245 17651 8202 31 3 0 1000 syz-executor4 [ 1707.094018] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1707.100165] Call Trace: [ 1707.102757] dump_stack+0xb9/0x11b [ 1707.106299] warn_alloc.cold.35+0x9d/0x1b7 [ 1707.110534] ? zone_watermark_ok_safe+0x240/0x240 [ 1707.115378] ? usleep_range+0x130/0x130 [ 1707.119419] ? do_try_to_free_pages+0xde0/0xde0 [ 1707.124134] __alloc_pages_nodemask+0x1425/0x2280 [ 1707.128993] ? check_preemption_disabled+0x34/0x1e0 [ 1707.134004] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1707.138857] ? find_get_entry+0x118/0x550 [ 1707.143005] ? check_preemption_disabled+0x34/0x1e0 [ 1707.148032] ? check_preemption_disabled+0x34/0x1e0 [ 1707.153068] ? find_get_entry+0x13f/0x550 [ 1707.157245] ? pagecache_get_page+0x129/0x770 [ 1707.161774] filemap_fault+0xcdd/0x14a0 [ 1707.165767] ext4_filemap_fault+0x7d/0xb0 [ 1707.169907] __do_fault+0x80/0x210 [ 1707.173445] __handle_mm_fault+0x991/0x25f0 [ 1707.177769] ? vm_insert_page+0x6d0/0x6d0 [ 1707.181911] ? HARDIRQ_verbose+0x10/0x10 [ 1707.185977] ? HARDIRQ_verbose+0x10/0x10 [ 1707.190045] ? free_object+0xe4/0x240 [ 1707.193881] ? check_preemption_disabled+0x34/0x1e0 [ 1707.198899] handle_mm_fault+0x2f2/0x6eb [ 1707.202961] __do_page_fault+0x45d/0xb60 [ 1707.207055] ? retint_user+0x18/0x18 [ 1707.210766] ? bad_area_access_error+0x330/0x330 [ 1707.215518] ? page_fault+0x2c/0x50 [ 1707.219134] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1707.223982] ? page_fault+0x2c/0x50 [ 1707.227627] page_fault+0x42/0x50 [ 1707.231072] RIP: 60882280: (null) [ 1707.235311] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1707.289451] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1707.496336] [ 6304] 0 6304 17618 12677 31 3 0 1000 syz-executor4 [ 1707.763498] [ 6335] 0 6335 17647 12736 31 3 0 1000 syz-executor4 [ 1707.798406] 10535 total pagecache pages [ 1707.915185] 0 pages in swap cache [ 1707.918663] Swap cache stats: add 0, delete 0, find 0/0 [ 1708.020086] lowmem_reserve[]: 0 3505 3505 [ 1708.024282] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1708.066835] lowmem_reserve[]: 0 0 0 [ 1708.077986] [ 6421] 0 6421 17585 8200 25 3 0 1000 syz-executor2 [ 1708.181502] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1708.213818] init: page allocation stalls for 90060ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1708.229964] Free swap = 0kB [ 1708.276598] syz-executor0: page allocation stalls for 90010ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1708.290222] modprobe: page allocation stalls for 90040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1708.303873] modprobe: page allocation stalls for 90030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1708.320063] syz-executor3: page allocation stalls for 90060ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1708.334942] modprobe: page allocation stalls for 90170ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1708.347739] modprobe: page allocation stalls for 90020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1708.360671] kworker/u4:11: page allocation stalls for 90050ms, order:1, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1708.372974] syz-fuzzer: page allocation stalls for 50150ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1708.387188] Total swap = 0kB [ 1708.398573] [ 6434] 0 6434 17684 12329 33 4 0 1000 syz-executor2 [ 1708.408999] 1965979 pages RAM [ 1708.414721] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1708.421648] Call Trace: [ 1708.424238] dump_stack+0xb9/0x11b [ 1708.427786] warn_alloc.cold.35+0x9d/0x1b7 [ 1708.432024] ? zone_watermark_ok_safe+0x240/0x240 [ 1708.436912] __alloc_pages_nodemask+0x1425/0x2280 [ 1708.441796] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1708.446724] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1708.451565] ? perf_trace_lock+0x11a/0x4c0 [ 1708.455800] ? check_preemption_disabled+0x34/0x1e0 [ 1708.460859] ? rcu_read_lock_sched_held+0x102/0x120 [ 1708.465886] copy_process.part.6+0x267/0x6530 [ 1708.470384] ? __handle_mm_fault+0xdab/0x25f0 [ 1708.474887] ? lock_downgrade+0x560/0x560 [ 1708.479047] ? check_preemption_disabled+0x34/0x1e0 [ 1708.484062] ? perf_trace_lock+0x11a/0x4c0 [ 1708.488308] ? __cleanup_sighand+0x40/0x40 [ 1708.492531] ? vm_insert_page+0x6d0/0x6d0 [ 1708.496674] ? HARDIRQ_verbose+0x10/0x10 [ 1708.500756] _do_fork+0x1c2/0xd50 [ 1708.504233] ? fork_idle+0x250/0x250 [ 1708.507960] ? up_read+0x17/0x30 [ 1708.511319] ? __do_page_fault+0x64c/0xb60 [ 1708.515559] ? do_syscall_64+0x43/0x4b0 [ 1708.519535] ? sys_vfork+0x20/0x20 [ 1708.523066] do_syscall_64+0x19b/0x4b0 [ 1708.526964] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1708.532149] RIP: 0033:0x45a049 [ 1708.535333] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1708.543038] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1708.550303] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1708.557565] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1708.564839] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1708.572105] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1708.668797] 0 pages HighMem/MovableOnly [ 1708.697541] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1708.703440] Call Trace: [ 1708.706028] dump_stack+0xb9/0x11b [ 1708.709572] warn_alloc.cold.35+0x9d/0x1b7 [ 1708.713805] ? zone_watermark_ok_safe+0x240/0x240 [ 1708.718646] ? usleep_range+0x130/0x130 [ 1708.722668] __alloc_pages_nodemask+0x1425/0x2280 [ 1708.727527] ? __kernel_text_address+0x9/0x30 [ 1708.732024] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1708.736876] ? __lock_acquire+0x619/0x4320 [ 1708.741114] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1708.745612] ? kmemdup+0x20/0x50 [ 1708.748991] ? selinux_cred_prepare+0x3e/0x90 [ 1708.753505] ? new_slab+0x358/0x470 [ 1708.757139] new_slab+0x3c0/0x470 [ 1708.760603] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1708.765621] ? getname_flags+0xc4/0x540 [ 1708.769603] ? fs_reclaim_acquire+0x10/0x10 [ 1708.773929] ? check_preemption_disabled+0x34/0x1e0 [ 1708.778942] ? getname_flags+0xc4/0x540 [ 1708.782913] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1708.788365] ? getname_flags+0xc4/0x540 [ 1708.792347] kmem_cache_alloc+0x19e/0x2b0 [ 1708.796507] getname_flags+0xc4/0x540 [ 1708.800318] user_path_at_empty+0x28/0x80 [ 1708.804471] SyS_faccessat+0x20d/0x660 [ 1708.808910] ? SyS_fallocate+0x80/0x80 [ 1708.812804] ? do_syscall_64+0x43/0x4b0 [ 1708.816775] ? SyS_faccessat+0x660/0x660 [ 1708.820833] do_syscall_64+0x19b/0x4b0 [ 1708.824735] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1708.829961] RIP: 0033:0x7f413a3c43c7 [ 1708.833681] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1708.841464] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1708.848752] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1708.856012] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1708.863269] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1708.870528] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1708.902961] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1708.922458] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1708.928951] Call Trace: [ 1708.931539] dump_stack+0xb9/0x11b [ 1708.935085] warn_alloc.cold.35+0x9d/0x1b7 [ 1708.939322] ? zone_watermark_ok_safe+0x240/0x240 [ 1708.944161] ? usleep_range+0x130/0x130 [ 1708.948174] __alloc_pages_nodemask+0x1425/0x2280 [ 1708.953106] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1708.957989] ? __lock_acquire+0x619/0x4320 [ 1708.962223] ? __lock_acquire+0x619/0x4320 [ 1708.966485] ? __lock_acquire+0x619/0x4320 [ 1708.970764] ? new_slab+0x358/0x470 [ 1708.974401] new_slab+0x3c0/0x470 [ 1708.977865] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1708.982873] ? getname_flags+0xc4/0x540 [ 1708.986868] ? fs_reclaim_acquire+0x10/0x10 [ 1708.991192] ? check_preemption_disabled+0x34/0x1e0 [ 1708.996213] ? getname_flags+0xc4/0x540 [ 1709.000186] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1709.005636] ? getname_flags+0xc4/0x540 [ 1709.009605] kmem_cache_alloc+0x19e/0x2b0 [ 1709.013752] getname_flags+0xc4/0x540 [ 1709.017552] user_path_at_empty+0x28/0x80 [ 1709.021711] vfs_statx+0xe1/0x180 [ 1709.025161] ? vfs_statx_fd+0x90/0x90 [ 1709.028972] ? __might_fault+0x104/0x1b0 [ 1709.033035] ? lock_downgrade+0x560/0x560 [ 1709.037170] ? lock_acquire+0x10f/0x380 [ 1709.041136] ? __might_fault+0xd4/0x1b0 [ 1709.045123] SyS_newfstatat+0x89/0x100 [ 1709.049005] ? SyS_newlstat+0xf0/0xf0 [ 1709.052798] ? __might_fault+0x177/0x1b0 [ 1709.056855] ? SyS_getdents+0x1d0/0x270 [ 1709.060828] ? SyS_old_readdir+0x150/0x150 [ 1709.065073] ? compat_fillonedir+0x260/0x260 [ 1709.069500] ? do_syscall_64+0x43/0x4b0 [ 1709.073491] ? SyS_newlstat+0xf0/0xf0 [ 1709.077316] do_syscall_64+0x19b/0x4b0 [ 1709.081246] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1709.086471] RIP: 0033:0x7fe72a00be1a [ 1709.090188] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1709.097897] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1709.105155] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1709.112420] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1709.119694] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1709.126953] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1709.136933] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1709.143437] Call Trace: [ 1709.146047] dump_stack+0xb9/0x11b [ 1709.149592] warn_alloc.cold.35+0x9d/0x1b7 [ 1709.153853] ? zone_watermark_ok_safe+0x240/0x240 [ 1709.158708] ? usleep_range+0x130/0x130 [ 1709.162732] __alloc_pages_nodemask+0x1425/0x2280 [ 1709.167612] ? check_preemption_disabled+0x34/0x1e0 [ 1709.172628] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1709.177492] ? __is_insn_slot_addr+0x139/0x1f0 [ 1709.182080] ? __lock_acquire+0x619/0x4320 [ 1709.186321] ? __lock_acquire+0x619/0x4320 [ 1709.190578] ? depot_save_stack+0x126/0x428 [ 1709.194912] ? perf_trace_lock+0x11a/0x4c0 [ 1709.199147] ? new_slab+0x358/0x470 [ 1709.202777] new_slab+0x3c0/0x470 [ 1709.206240] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1709.211250] ? perf_event_mmap+0x447/0xc30 [ 1709.215492] ? fs_reclaim_acquire+0x10/0x10 [ 1709.219811] ? check_preemption_disabled+0x34/0x1e0 [ 1709.224820] ? perf_event_mmap+0x447/0xc30 [ 1709.229158] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1709.234607] kmem_cache_alloc_trace+0x1c6/0x300 [ 1709.239281] ? perf_event_mmap+0x447/0xc30 [ 1709.243518] perf_event_mmap+0x447/0xc30 [ 1709.247587] ? perf_event_namespaces+0x30/0x30 [ 1709.252190] ? prot_none_test+0x10/0x10 [ 1709.256165] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1709.260326] mprotect_fixup+0x3b2/0x800 [ 1709.264307] ? change_protection+0x50/0x50 [ 1709.268542] ? file_map_prot_check+0x193/0x2c0 [ 1709.273137] ? selinux_file_mprotect+0xf6/0x5c0 [ 1709.277799] ? SyS_mprotect+0x16f/0x610 [ 1709.281812] SyS_mprotect+0x30a/0x610 [ 1709.285647] ? mprotect_fixup+0x800/0x800 [ 1709.289795] ? do_syscall_64+0x43/0x4b0 [ 1709.293807] ? mprotect_fixup+0x800/0x800 [ 1709.297955] do_syscall_64+0x19b/0x4b0 [ 1709.301852] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1709.307031] RIP: 0033:0x7f515b46a447 [ 1709.310735] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1709.318443] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1709.325719] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1709.332996] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1709.340274] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1709.347534] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1709.359462] 315641 pages reserved [ 1709.364822] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1709.371312] Call Trace: [ 1709.373935] dump_stack+0xb9/0x11b [ 1709.377494] warn_alloc.cold.35+0x9d/0x1b7 [ 1709.381726] ? zone_watermark_ok_safe+0x240/0x240 [ 1709.386568] ? usleep_range+0x130/0x130 [ 1709.390578] __alloc_pages_nodemask+0x1425/0x2280 [ 1709.395445] ? __kernel_text_address+0x9/0x30 [ 1709.399940] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1709.404793] ? __lock_acquire+0x619/0x4320 [ 1709.409027] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1709.413561] ? kmemdup+0x20/0x50 [ 1709.416934] ? selinux_cred_prepare+0x3e/0x90 [ 1709.421449] ? new_slab+0x358/0x470 [ 1709.425079] new_slab+0x3c0/0x470 [ 1709.428574] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1709.433589] ? getname_flags+0xc4/0x540 [ 1709.437582] ? fs_reclaim_acquire+0x10/0x10 [ 1709.441909] ? check_preemption_disabled+0x34/0x1e0 [ 1709.446923] ? getname_flags+0xc4/0x540 [ 1709.450908] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1709.456356] ? getname_flags+0xc4/0x540 [ 1709.460325] kmem_cache_alloc+0x19e/0x2b0 [ 1709.464491] getname_flags+0xc4/0x540 [ 1709.468297] user_path_at_empty+0x28/0x80 [ 1709.472451] SyS_faccessat+0x20d/0x660 [ 1709.476347] ? SyS_fallocate+0x80/0x80 [ 1709.480243] ? do_syscall_64+0x43/0x4b0 [ 1709.484228] ? SyS_faccessat+0x660/0x660 [ 1709.488283] do_syscall_64+0x19b/0x4b0 [ 1709.492182] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1709.497369] RIP: 0033:0x7fd4ad02d267 [ 1709.501072] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1709.508774] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1709.516035] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1709.523294] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1709.530557] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1709.537819] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1709.548610] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1709.555105] Call Trace: [ 1709.557689] dump_stack+0xb9/0x11b [ 1709.561238] warn_alloc.cold.35+0x9d/0x1b7 [ 1709.565470] ? zone_watermark_ok_safe+0x240/0x240 [ 1709.570305] ? usleep_range+0x130/0x130 [ 1709.574344] __alloc_pages_nodemask+0x1425/0x2280 [ 1709.579288] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1709.584140] ? __lock_acquire+0x619/0x4320 [ 1709.588375] ? check_preemption_disabled+0x34/0x1e0 [ 1709.593429] ? new_slab+0x358/0x470 [ 1709.597061] new_slab+0x3c0/0x470 [ 1709.600523] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1709.605539] ? getname_flags+0xc4/0x540 [ 1709.609521] ? fs_reclaim_acquire+0x10/0x10 [ 1709.613851] ? check_preemption_disabled+0x34/0x1e0 [ 1709.618869] ? getname_flags+0xc4/0x540 [ 1709.622842] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1709.628292] ? getname_flags+0xc4/0x540 [ 1709.632299] kmem_cache_alloc+0x19e/0x2b0 [ 1709.636457] getname_flags+0xc4/0x540 [ 1709.640266] user_path_at_empty+0x28/0x80 [ 1709.644427] vfs_statx+0xe1/0x180 [ 1709.647882] ? vfs_statx_fd+0x90/0x90 [ 1709.651683] ? mntput_no_expire+0xca/0x830 [ 1709.655931] SyS_newstat+0x81/0xf0 [ 1709.659470] ? SyS_fstat+0xe0/0xe0 [ 1709.663014] ? _raw_spin_unlock_irq+0x24/0x50 [ 1709.667533] ? trace_hardirqs_on_caller+0x381/0x520 [ 1709.672547] ? _raw_spin_unlock_irq+0x35/0x50 [ 1709.677042] ? task_work_run+0xec/0x190 [ 1709.681019] ? do_syscall_64+0x43/0x4b0 [ 1709.684996] ? SyS_fstat+0xe0/0xe0 [ 1709.688531] do_syscall_64+0x19b/0x4b0 [ 1709.692438] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1709.697625] RIP: 0033:0x7ff6b2c93c65 [ 1709.701329] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1709.709034] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1709.716310] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1709.723575] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1709.730837] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1709.738102] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1709.750201] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1709.757139] Call Trace: [ 1709.759723] dump_stack+0xb9/0x11b [ 1709.763273] warn_alloc.cold.35+0x9d/0x1b7 [ 1709.767526] ? zone_watermark_ok_safe+0x240/0x240 [ 1709.772368] ? usleep_range+0x130/0x130 [ 1709.776385] __alloc_pages_nodemask+0x1425/0x2280 [ 1709.781266] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1709.786115] ? __lock_acquire+0x619/0x4320 [ 1709.790344] ? kasan_slab_free+0xac/0x190 [ 1709.794585] ? kmem_cache_free+0x12d/0x350 [ 1709.798818] ? putname+0xcf/0x100 [ 1709.802267] ? do_rmdir+0x161/0x3a0 [ 1709.805893] ? do_syscall_64+0x19b/0x4b0 [ 1709.809981] ? new_slab+0x358/0x470 [ 1709.813612] new_slab+0x3c0/0x470 [ 1709.817072] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1709.822088] ? getname_flags+0xc4/0x540 [ 1709.826084] ? fs_reclaim_acquire+0x10/0x10 [ 1709.830447] ? check_preemption_disabled+0x34/0x1e0 [ 1709.835459] ? getname_flags+0xc4/0x540 [ 1709.839434] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1709.844885] ? getname_flags+0xc4/0x540 [ 1709.848854] kmem_cache_alloc+0x19e/0x2b0 [ 1709.853005] getname_flags+0xc4/0x540 [ 1709.856800] ? task_work_run+0x6a/0x190 [ 1709.860775] SyS_mkdirat+0x8d/0x220 [ 1709.864438] ? trace_hardirqs_on_caller+0x381/0x520 [ 1709.869456] ? SyS_mknod+0x30/0x30 [ 1709.872997] ? do_syscall_64+0x43/0x4b0 [ 1709.876981] ? SyS_mkdirat+0x220/0x220 [ 1709.880867] do_syscall_64+0x19b/0x4b0 [ 1709.884760] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1709.889944] RIP: 0033:0x456a97 [ 1709.893128] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1709.900836] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1709.908099] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1709.915365] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1709.922631] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1709.929893] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1709.941272] [ 6472] 0 6472 17684 12329 33 4 0 1000 syz-executor2 [ 1709.956837] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1709.963506] Call Trace: [ 1709.966099] dump_stack+0xb9/0x11b [ 1709.969642] warn_alloc.cold.35+0x9d/0x1b7 [ 1709.973876] ? zone_watermark_ok_safe+0x240/0x240 [ 1709.978717] ? usleep_range+0x130/0x130 [ 1709.982737] ? do_try_to_free_pages+0xde0/0xde0 [ 1709.987455] __alloc_pages_nodemask+0x1425/0x2280 [ 1709.992322] ? check_preemption_disabled+0x34/0x1e0 [ 1709.997344] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1710.002186] ? find_get_entry+0x118/0x550 [ 1710.006338] ? check_preemption_disabled+0x34/0x1e0 [ 1710.011349] ? check_preemption_disabled+0x34/0x1e0 [ 1710.016367] ? find_get_entry+0x13f/0x550 [ 1710.020522] ? pagecache_get_page+0x129/0x770 [ 1710.025021] filemap_fault+0xcdd/0x14a0 [ 1710.029014] ext4_filemap_fault+0x7d/0xb0 [ 1710.033178] __do_fault+0x80/0x210 [ 1710.036720] __handle_mm_fault+0x991/0x25f0 [ 1710.041045] ? vm_insert_page+0x6d0/0x6d0 [ 1710.045184] ? HARDIRQ_verbose+0x10/0x10 [ 1710.049243] ? HARDIRQ_verbose+0x10/0x10 [ 1710.053351] ? SyS_futex+0x249/0x2b5 [ 1710.057104] ? check_preemption_disabled+0x34/0x1e0 [ 1710.062129] handle_mm_fault+0x2f2/0x6eb [ 1710.066213] __do_page_fault+0x45d/0xb60 [ 1710.070278] ? retint_user+0x18/0x18 [ 1710.073992] ? bad_area_access_error+0x330/0x330 [ 1710.078741] ? page_fault+0x2c/0x50 [ 1710.082364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1710.087216] ? page_fault+0x2c/0x50 [ 1710.090842] page_fault+0x42/0x50 [ 1710.094289] RIP: 0020:0x13 [ 1710.097124] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1710.099557] CPU: 1 PID: 9339 Comm: kworker/u4:11 Not tainted 4.14.87+ #21 [ 1710.111834] Call Trace: [ 1710.114429] dump_stack+0xb9/0x11b [ 1710.117972] warn_alloc.cold.35+0x9d/0x1b7 [ 1710.122228] ? zone_watermark_ok_safe+0x240/0x240 [ 1710.127129] __alloc_pages_nodemask+0x1425/0x2280 [ 1710.132034] ? call_usermodehelper_exec_async+0x289/0x4b0 [ 1710.137563] ? ret_from_fork+0x3a/0x50 [ 1710.141450] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1710.146296] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1710.151258] ? HARDIRQ_verbose+0x10/0x10 [ 1710.155354] __get_free_pages+0x13/0xa0 [ 1710.159323] pgd_alloc+0x1f/0x3a0 [ 1710.162789] mm_init+0x514/0x800 [ 1710.166185] mm_alloc+0xa1/0xc0 [ 1710.169464] do_execveat_common.isra.14+0xa71/0x1d60 [ 1710.174562] ? fs_reclaim_acquire+0x10/0x10 [ 1710.178910] ? prepare_bprm_creds+0x110/0x110 [ 1710.183422] ? rcu_read_lock_sched_held+0x102/0x120 [ 1710.188456] do_execve+0x2c/0x40 [ 1710.191822] call_usermodehelper_exec_async+0x289/0x4b0 [ 1710.197179] ? umh_complete+0x80/0x80 [ 1710.200997] ret_from_fork+0x3a/0x50 [ 1710.214391] warn_alloc_show_mem: 1 callbacks suppressed [ 1710.214395] Mem-Info: [ 1710.223166] [ 6534] 0 6534 17585 8230 25 4 0 1000 syz-executor5 [ 1710.241384] 10535 total pagecache pages [ 1710.245407] 0 pages in swap cache [ 1710.248882] Swap cache stats: add 0, delete 0, find 0/0 [ 1710.254290] lowmem_reserve[]: 0 0 0 [ 1710.257930] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1710.271371] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1710.271371] active_file:58 inactive_file:82 isolated_file:22 [ 1710.271371] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1710.271371] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1710.271371] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1710.271371] free:4403 free_pcp:0 free_cma:0 [ 1710.304944] [ 6563] 0 6563 17585 8230 25 4 0 1000 syz-executor5 [ 1710.314441] Free swap = 0kB [ 1710.317455] Total swap = 0kB [ 1710.322524] [ 6606] 0 6606 17585 8230 25 4 0 1000 syz-executor5 [ 1710.333408] 1965979 pages RAM [ 1710.336522] 0 pages HighMem/MovableOnly [ 1710.340547] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1710.358379] 315641 pages reserved [ 1710.361932] [ 6717] 0 6717 17618 8201 24 3 0 1000 syz-executor3 [ 1710.373071] 10535 total pagecache pages [ 1710.377047] 0 pages in swap cache [ 1710.380567] [ 6741] 0 6741 17651 8203 24 3 0 1000 syz-executor3 [ 1710.390092] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:328kB unevictable:74848kB isolated(anon):0kB isolated(file):88kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1710.417555] Swap cache stats: add 0, delete 0, find 0/0 [ 1710.422973] Free swap = 0kB [ 1710.425997] Total swap = 0kB [ 1710.429005] 1965979 pages RAM [ 1710.432160] [ 6767] 0 6767 17618 8232 25 4 0 1000 syz-executor3 [ 1710.445283] 0 pages HighMem/MovableOnly [ 1710.449260] 315641 pages reserved [ 1710.453707] [ 6817] 0 6817 17684 8238 33 4 0 1000 syz-executor2 [ 1710.463222] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:108kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1710.496735] [ 6820] 0 6820 17618 8233 26 4 0 1000 syz-executor4 [ 1710.506237] [ 6914] 0 6914 17651 8234 25 4 0 1000 syz-executor4 [ 1710.517401] [ 7271] 0 7271 17652 8235 25 4 0 1000 syz-executor4 [ 1710.526931] lowmem_reserve[]: 0 3505 3505 [ 1710.532906] [ 7620] 0 7620 17618 8233 25 4 0 1000 syz-executor3 [ 1710.542408] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:124kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1710.576214] [ 7716] 0 7716 17585 8232 28 4 0 1000 syz-executor0 [ 1710.585710] [ 7728] 0 7728 17684 8237 25 4 0 1000 syz-executor5 [ 1710.595205] [ 7792] 0 7792 17585 8197 24 3 0 1000 syz-executor5 [ 1710.604714] lowmem_reserve[]: 0 0 0 [ 1710.608372] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1710.630804] [ 7832] 0 7832 17684 8204 31 3 0 1000 syz-executor5 [ 1710.640330] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1710.653219] [ 7976] 0 7976 17651 8236 26 4 0 1000 syz-executor3 [ 1710.664533] [ 7991] 0 7991 17585 8229 26 4 0 1000 syz-executor0 [ 1710.674020] 10535 total pagecache pages [ 1710.678153] 0 pages in swap cache [ 1710.681660] [ 8047] 0 8047 17585 8199 24 3 0 1000 syz-executor3 [ 1710.692729] Swap cache stats: add 0, delete 0, find 0/0 [ 1710.698118] Free swap = 0kB [ 1710.704472] Total swap = 0kB [ 1710.707488] 1965979 pages RAM [ 1710.710653] [ 8052] 0 8052 17585 8198 24 3 0 1000 syz-executor5 [ 1710.720226] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1710.727866] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1710.736900] node 0: slabs: 32547, objs: 585846, free: 0 [ 1710.744762] 0 pages HighMem/MovableOnly [ 1710.748735] 315641 pages reserved [ 1710.755536] [ 8056] 0 8056 17651 8204 25 3 0 1000 syz-executor3 [ 1710.768367] [ 8078] 0 8078 17618 8201 24 3 0 1000 syz-executor3 [ 1710.778262] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1710.785996] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1710.795011] node 0: slabs: 32547, objs: 585846, free: 0 [ 1710.804333] [ 8101] 0 8101 17585 8199 24 3 0 1000 syz-executor4 [ 1710.821641] [ 8119] 0 8119 17651 8203 24 3 0 1000 syz-executor4 [ 1710.836137] [ 8130] 0 8130 17684 8221 26 4 0 1000 syz-executor3 [ 1710.845783] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1710.853411] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1710.862427] node 0: slabs: 32547, objs: 585846, free: 0 [ 1710.874875] [ 8144] 0 8144 17585 8235 26 4 0 1000 syz-executor4 [ 1710.885918] [ 8192] 0 8192 17684 8221 26 4 0 1000 syz-executor3 [ 1710.895818] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1710.903454] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1710.912452] node 0: slabs: 32547, objs: 585846, free: 0 [ 1710.921949] [ 8270] 0 8270 17582 8202 26 3 0 1000 syz-executor2 [ 1710.932891] [ 8332] 0 8332 17618 8232 25 4 0 1000 syz-executor5 [ 1710.943271] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1710.950886] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1710.959928] node 0: slabs: 32547, objs: 585846, free: 0 [ 1710.969696] [ 8412] 0 8412 17651 8235 25 4 0 1000 syz-executor3 [ 1710.979193] [ 8481] 0 8481 17651 8238 26 4 0 1000 syz-executor2 [ 1710.991252] [ 8522] 0 8522 17651 8235 26 4 0 1000 syz-executor2 [ 1711.001432] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1711.009051] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1711.018050] node 0: slabs: 32547, objs: 585846, free: 0 [ 1711.028710] [ 8827] 0 8827 17618 8234 26 4 0 1000 syz-executor2 [ 1711.038245] [ 9064] 0 9064 17618 8230 25 4 0 1000 syz-executor5 [ 1711.053485] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1711.061121] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1711.070119] node 0: slabs: 32547, objs: 585846, free: 0 [ 1711.080564] [ 9081] 0 9081 17618 12677 31 3 0 1000 syz-executor4 [ 1711.090071] [ 9134] 0 9134 17647 12735 31 3 0 1000 syz-executor4 [ 1711.099575] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1711.107192] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1711.116195] node 0: slabs: 32547, objs: 585846, free: 0 [ 1711.128795] [ 9176] 0 9176 17651 8234 25 4 0 1000 syz-executor5 [ 1711.138323] [ 9395] 0 9395 17618 8234 26 4 0 1000 syz-executor2 [ 1711.149242] [ 9571] 0 9571 17651 8234 32 4 0 1000 syz-executor4 [ 1711.159719] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1711.167338] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1711.176335] node 0: slabs: 32547, objs: 585846, free: 0 [ 1711.284824] [ 9663] 0 9663 17585 8230 25 4 0 1000 syz-executor4 [ 1711.323214] [ 9729] 0 9729 17618 8231 25 4 0 1000 syz-executor5 [ 1711.419904] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1711.427563] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1711.436567] node 0: slabs: 32547, objs: 585846, free: 0 [ 1711.675683] [10025] 0 10025 17618 8232 25 4 0 1000 syz-executor3 [ 1711.798296] warn_alloc: 30 callbacks suppressed [ 1711.798302] init: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1711.811866] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1711.817742] Call Trace: [ 1711.820321] [ 1711.822478] dump_stack+0xb9/0x11b [ 1711.826027] warn_alloc.cold.35+0x9d/0x1b7 [ 1711.830260] ? zone_watermark_ok_safe+0x240/0x240 [ 1711.835144] ? lock_downgrade+0x560/0x560 [ 1711.839316] __alloc_pages_nodemask+0x19f4/0x2280 [ 1711.844168] ? check_preemption_disabled+0x34/0x1e0 [ 1711.849224] ? perf_trace_lock+0x11a/0x4c0 [ 1711.853467] ? check_preemption_disabled+0x34/0x1e0 [ 1711.858484] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1711.863326] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1711.868280] ? __lock_acquire+0x619/0x4320 [ 1711.872515] ? __lock_acquire+0x619/0x4320 [ 1711.876766] ? check_preemption_disabled+0x34/0x1e0 [ 1711.881785] ? __lock_acquire+0x619/0x4320 [ 1711.886018] ? check_preemption_disabled+0x34/0x1e0 [ 1711.891042] new_slab+0x3c0/0x470 [ 1711.894503] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1711.899513] ? trace_hardirqs_on+0x10/0x10 [ 1711.903749] ? __build_skb+0x30/0x2c0 [ 1711.907541] ? check_preemption_disabled+0x34/0x1e0 [ 1711.912572] ? perf_trace_lock+0x11a/0x4c0 [ 1711.916805] ? check_preemption_disabled+0x34/0x1e0 [ 1711.921845] ? check_preemption_disabled+0x34/0x1e0 [ 1711.926859] ? __build_skb+0x30/0x2c0 [ 1711.930657] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1711.936106] ? __build_skb+0x30/0x2c0 [ 1711.939898] kmem_cache_alloc+0x19e/0x2b0 [ 1711.944047] __build_skb+0x30/0x2c0 [ 1711.947692] __napi_alloc_skb+0x1ca/0x300 [ 1711.951841] page_to_skb.isra.18+0xa3/0x690 [ 1711.956186] receive_buf+0x1721/0x42c0 [ 1711.960098] ? virtnet_xdp_xmit.isra.20+0x710/0x710 [ 1711.965121] ? vring_unmap_one+0x15/0x3d0 [ 1711.969274] ? detach_buf+0x422/0x580 [ 1711.973098] ? virtqueue_get_buf_ctx+0x3e9/0x6b0 [ 1711.977865] virtnet_poll+0x2af/0x910 [ 1711.981675] ? virtnet_restore+0x8d0/0x8d0 [ 1711.985941] ? check_preemption_disabled+0x34/0x1e0 [ 1711.990960] ? mark_held_locks+0xc2/0x130 [ 1711.995133] ? net_rx_action+0x21a/0xce0 [ 1711.999202] net_rx_action+0x371/0xce0 [ 1712.003104] ? napi_complete_done+0x3a0/0x3a0 [ 1712.007624] __do_softirq+0x20d/0x9bd [ 1712.011448] ? check_preemption_disabled+0x34/0x1e0 [ 1712.016475] irq_exit+0x117/0x150 [ 1712.019928] do_IRQ+0x101/0x1b0 [ 1712.023237] common_interrupt+0x84/0x84 [ 1712.027204] [ 1712.029442] RIP: 0010:lock_acquire+0x15c/0x380 [ 1712.034012] RSP: 0000:ffff8881da9df458 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff4e [ 1712.041712] RAX: 0000000000000007 RBX: 0000000000000246 RCX: 0000000000000000 [ 1712.048979] RDX: 0000000000000000 RSI: ffff8881da9d0858 RDI: 0000000000000246 [ 1712.056274] RBP: ffff8881da9d0000 R08: 0000000000001500 R09: ffffffff8cad6fe0 [ 1712.063538] R10: ffff8881da9d0858 R11: 0000000000000001 R12: 0000000000000000 [ 1712.070818] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 1712.078138] _raw_spin_lock+0x2a/0x40 [ 1712.081936] ? list_lru_count_one+0x7f/0x1d0 [ 1712.086371] list_lru_count_one+0x7f/0x1d0 [ 1712.090606] super_cache_count+0x139/0x2a0 [ 1712.094834] ? ext4_es_count+0x9d/0x350 [ 1712.098826] shrink_slab.part.8+0x25c/0xa30 [ 1712.103173] ? check_preemption_disabled+0x34/0x1e0 [ 1712.108214] ? unregister_shrinker+0x210/0x210 [ 1712.112805] ? mem_cgroup_iter+0x52b/0xcb0 [ 1712.117060] shrink_node+0x8c8/0xbf0 [ 1712.120801] ? shrink_node_memcg+0x12e0/0x12e0 [ 1712.125380] ? check_preemption_disabled+0x34/0x1e0 [ 1712.130397] ? ktime_get+0x17f/0x1c0 [ 1712.134133] do_try_to_free_pages+0x349/0xde0 [ 1712.138653] ? shrink_node+0xbf0/0xbf0 [ 1712.142579] try_to_free_pages+0x204/0x6b0 [ 1712.146829] ? get_page_from_freelist+0x894/0x1ea0 [ 1712.151772] ? do_try_to_free_pages+0xde0/0xde0 [ 1712.156478] __alloc_pages_nodemask+0xaf2/0x2280 [ 1712.161266] ? __kernel_text_address+0x9/0x30 [ 1712.165759] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1712.170610] ? __lock_acquire+0x619/0x4320 [ 1712.174849] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1712.179349] ? kmemdup+0x20/0x50 [ 1712.182728] ? selinux_cred_prepare+0x3e/0x90 [ 1712.187258] ? new_slab+0x358/0x470 [ 1712.190888] new_slab+0x3c0/0x470 [ 1712.194350] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1712.199381] ? getname_flags+0xc4/0x540 [ 1712.203402] ? fs_reclaim_acquire+0x10/0x10 [ 1712.207737] ? check_preemption_disabled+0x34/0x1e0 [ 1712.212751] ? getname_flags+0xc4/0x540 [ 1712.216722] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1712.222198] ? getname_flags+0xc4/0x540 [ 1712.226177] kmem_cache_alloc+0x19e/0x2b0 [ 1712.230335] getname_flags+0xc4/0x540 [ 1712.234142] user_path_at_empty+0x28/0x80 [ 1712.238294] SyS_faccessat+0x20d/0x660 [ 1712.242187] ? SyS_fallocate+0x80/0x80 [ 1712.246085] ? do_syscall_64+0x43/0x4b0 [ 1712.250056] ? SyS_faccessat+0x660/0x660 [ 1712.254115] do_syscall_64+0x19b/0x4b0 [ 1712.258011] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1712.263194] RIP: 0033:0x7f413a3c43c7 [ 1712.266902] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1712.274619] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1712.281883] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1712.289145] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1712.296430] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1712.303696] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1712.310993] warn_alloc_show_mem: 12 callbacks suppressed [ 1712.310996] Mem-Info: [ 1712.318862] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1712.318862] active_file:58 inactive_file:78 isolated_file:5 [ 1712.318862] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1712.318862] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1712.318862] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1712.318862] free:4403 free_pcp:0 free_cma:0 [ 1712.352277] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:312kB unevictable:74848kB isolated(anon):0kB isolated(file):20kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1712.375962] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1712.404923] lowmem_reserve[]: 0 3505 3505 [ 1712.409100] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1712.438061] lowmem_reserve[]: 0 0 0 [ 1712.441716] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1712.455070] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1712.467594] 10535 total pagecache pages [ 1712.471562] 0 pages in swap cache [ 1712.475004] Swap cache stats: add 0, delete 0, find 0/0 [ 1712.480356] Free swap = 0kB [ 1712.483366] Total swap = 0kB [ 1712.486371] 1965979 pages RAM [ 1712.489467] 0 pages HighMem/MovableOnly [ 1712.493455] 315641 pages reserved [ 1712.708878] [10028] 0 10028 17855 8253 27 4 0 1000 syz-executor1 [ 1712.936863] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1712.946621] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1712.953620] Call Trace: [ 1712.956228] dump_stack+0xb9/0x11b [ 1712.959774] warn_alloc.cold.35+0x9d/0x1b7 [ 1712.964027] ? zone_watermark_ok_safe+0x240/0x240 [ 1712.968880] ? __lock_acquire+0x619/0x4320 [ 1712.973135] __alloc_pages_nodemask+0x19f4/0x2280 [ 1712.978000] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1712.982839] ? perf_trace_lock+0x11a/0x4c0 [ 1712.987068] ? trace_hardirqs_on+0x10/0x10 [ 1712.991324] ? HARDIRQ_verbose+0x10/0x10 [ 1712.995394] ? check_preemption_disabled+0x34/0x1e0 [ 1713.000430] new_slab+0x3c0/0x470 [ 1713.003892] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1713.008901] ? __sigqueue_alloc+0x1d9/0x400 [ 1713.013218] ? check_preemption_disabled+0x34/0x1e0 [ 1713.018250] ? check_preemption_disabled+0x34/0x1e0 [ 1713.023275] ? __sigqueue_alloc+0x1d9/0x400 [ 1713.027607] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1713.033058] ? __sigqueue_alloc+0x1d9/0x400 [ 1713.037373] kmem_cache_alloc+0x19e/0x2b0 [ 1713.041520] __sigqueue_alloc+0x1d9/0x400 [ 1713.045672] __send_signal+0x1b0/0x1200 [ 1713.049653] force_sig_info+0x241/0x340 [ 1713.053633] force_sig_info_fault.constprop.7+0x129/0x210 [ 1713.059171] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1713.064303] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1713.069270] ? bad_area_access_error+0x1de/0x330 [ 1713.074031] __bad_area_nosemaphore+0x192/0x280 [ 1713.078704] bad_area_access_error+0x1ff/0x330 [ 1713.083284] ? mm_fault_error+0x2b0/0x2b0 [ 1713.087434] ? vmacache_find+0x50/0x250 [ 1713.091432] __do_page_fault+0x6d0/0xb60 [ 1713.095501] ? retint_user+0x18/0x18 [ 1713.099213] ? bad_area_access_error+0x330/0x330 [ 1713.103963] ? page_fault+0x2c/0x50 [ 1713.107585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1713.112434] ? page_fault+0x2c/0x50 [ 1713.116057] page_fault+0x42/0x50 [ 1713.119498] RIP: 4c59bd:0x4da048 [ 1713.122855] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1713.122895] Mem-Info: [ 1713.131048] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1713.131048] active_file:58 inactive_file:78 isolated_file:0 [ 1713.131048] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1713.131048] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1713.131048] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1713.131048] free:4403 free_pcp:0 free_cma:0 [ 1713.164461] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:312kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1713.188175] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:164kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1713.217159] lowmem_reserve[]: 0 3505 3505 [ 1713.221351] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:176kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1713.250347] lowmem_reserve[]: 0 0 0 [ 1713.253985] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1713.267336] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1713.279823] 10535 total pagecache pages [ 1713.283805] 0 pages in swap cache [ 1713.287248] Swap cache stats: add 0, delete 0, find 0/0 [ 1713.292600] Free swap = 0kB [ 1713.295605] Total swap = 0kB [ 1713.298609] 1965979 pages RAM [ 1713.301715] 0 pages HighMem/MovableOnly [ 1713.305694] 315641 pages reserved [ 1713.397063] [10038] 0 10038 17855 8253 27 4 0 1000 syz-executor1 [ 1713.737892] [10108] 0 10108 17855 8253 27 4 0 1000 syz-executor1 [ 1714.054404] [10238] 0 10238 17618 8236 26 4 0 1000 syz-executor5 [ 1714.379254] [10347] 0 10347 17618 12677 31 3 0 1000 syz-executor1 [ 1714.708712] [10425] 0 10425 17680 12738 31 3 0 1000 syz-executor1 [ 1715.023633] [10432] 0 10432 17618 8230 24 4 0 1000 syz-executor5 [ 1715.052705] [10482] 0 10482 17585 8189 23 3 0 1000 syz-executor4 [ 1715.062208] [10495] 0 10495 17585 8199 24 3 0 1000 syz-executor4 [ 1715.071693] [10565] 0 10565 17585 8235 26 4 0 1000 syz-executor3 [ 1715.081198] [10711] 0 10711 17618 8232 26 4 0 1000 syz-executor1 [ 1715.090682] [10840] 0 10840 17585 8198 24 3 0 1000 syz-executor1 [ 1715.100165] [10847] 0 10847 17618 8200 24 3 0 1000 syz-executor1 [ 1715.109611] [10863] 0 10863 17651 8237 26 4 0 1000 syz-executor1 [ 1715.119096] [11024] 0 11024 17651 8234 25 4 0 1000 syz-executor1 [ 1715.128599] [11112] 0 11112 17585 8199 24 3 0 1000 syz-executor3 [ 1715.143390] [11150] 0 11150 17651 8205 25 3 0 1000 syz-executor3 [ 1715.154283] [11152] 0 11152 17684 8239 27 4 0 1000 syz-executor3 [ 1715.167315] [11209] 0 11209 17618 12677 31 3 0 1000 syz-executor4 [ 1715.176825] [11388] 0 11388 17651 8234 25 4 0 0 syz-executor4 [ 1715.186318] [11610] 0 11610 17717 8240 33 4 0 1000 syz-executor2 [ 1715.199523] [12174] 0 12174 17585 8199 24 3 0 1000 syz-executor1 [ 1715.209025] [12175] 0 12175 17585 8234 25 4 0 0 syz-executor4 [ 1715.218552] [12178] 0 12178 17585 8233 27 4 0 1000 syz-executor1 [ 1715.228055] [12244] 0 12244 17585 8201 24 3 0 0 syz-executor4 [ 1715.237554] [12245] 0 12245 17618 8237 27 4 0 0 syz-executor4 [ 1715.247061] [12295] 0 12295 17585 8200 24 3 0 0 syz-executor4 [ 1715.258134] [12323] 0 12323 17717 8209 24 3 0 0 syz-executor4 [ 1715.269498] [12470] 0 12470 17618 8233 25 4 0 1000 syz-executor3 [ 1715.284454] [12595] 0 12595 17618 8235 26 4 0 1000 syz-executor2 [ 1715.293943] [12599] 0 12599 17618 8235 26 4 0 1000 syz-executor2 [ 1715.303486] [12677] 0 12677 17684 8241 25 4 0 0 syz-executor4 [ 1715.312964] [12790] 0 12790 17618 8237 25 4 0 0 syz-executor4 [ 1715.322466] [12796] 0 12796 17618 8237 25 4 0 0 syz-executor4 [ 1715.331949] [12978] 0 12978 17585 8231 24 4 0 0 syz-executor4 [ 1715.341435] [12993] 0 12993 17618 8235 25 4 0 0 syz-executor4 [ 1715.350940] [13041] 0 13041 17618 8235 25 4 0 0 syz-executor4 [ 1715.360459] [13084] 0 13084 17618 12677 31 3 0 0 syz-executor4 [ 1715.369918] [13100] 0 13100 17680 12738 31 3 0 0 syz-executor4 [ 1715.382127] [13357] 0 13357 17651 8240 25 4 0 1000 syz-executor1 [ 1715.392561] [13370] 0 13370 17618 8234 25 4 0 0 syz-executor4 [ 1715.404679] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1715.414330] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1715.421325] Call Trace: [ 1715.423936] dump_stack+0xb9/0x11b [ 1715.427518] warn_alloc.cold.35+0x9d/0x1b7 [ 1715.431747] ? zone_watermark_ok_safe+0x240/0x240 [ 1715.436596] ? __lock_acquire+0x619/0x4320 [ 1715.440859] __alloc_pages_nodemask+0x19f4/0x2280 [ 1715.445720] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1715.450562] ? perf_trace_lock+0x11a/0x4c0 [ 1715.454792] ? trace_hardirqs_on+0x10/0x10 [ 1715.459041] ? HARDIRQ_verbose+0x10/0x10 [ 1715.463126] ? check_preemption_disabled+0x34/0x1e0 [ 1715.468147] new_slab+0x3c0/0x470 [ 1715.471631] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1715.476647] ? __sigqueue_alloc+0x1d9/0x400 [ 1715.480971] ? check_preemption_disabled+0x34/0x1e0 [ 1715.486007] ? check_preemption_disabled+0x34/0x1e0 [ 1715.491037] ? __sigqueue_alloc+0x1d9/0x400 [ 1715.495354] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1715.500799] ? __sigqueue_alloc+0x1d9/0x400 [ 1715.505117] kmem_cache_alloc+0x19e/0x2b0 [ 1715.509267] __sigqueue_alloc+0x1d9/0x400 [ 1715.513425] __send_signal+0x1b0/0x1200 [ 1715.517434] force_sig_info+0x241/0x340 [ 1715.521456] force_sig_info_fault.constprop.7+0x129/0x210 [ 1715.526995] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1715.532119] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1715.537053] ? bad_area_access_error+0x1de/0x330 [ 1715.541835] __bad_area_nosemaphore+0x192/0x280 [ 1715.546515] bad_area_access_error+0x1ff/0x330 [ 1715.551095] ? mm_fault_error+0x2b0/0x2b0 [ 1715.555240] ? vmacache_find+0x50/0x250 [ 1715.559245] __do_page_fault+0x6d0/0xb60 [ 1715.563325] ? retint_user+0x18/0x18 [ 1715.567038] ? bad_area_access_error+0x330/0x330 [ 1715.571792] ? page_fault+0x2c/0x50 [ 1715.575413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1715.580268] ? page_fault+0x2c/0x50 [ 1715.583892] page_fault+0x42/0x50 [ 1715.587337] RIP: 4c59bd:0x4da048 [ 1715.590695] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1715.590735] Mem-Info: [ 1715.598850] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1715.598850] active_file:58 inactive_file:68 isolated_file:22 [ 1715.598850] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1715.598850] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1715.598850] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1715.598850] free:4403 free_pcp:0 free_cma:0 [ 1715.632353] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:272kB unevictable:74848kB isolated(anon):0kB isolated(file):88kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1715.656124] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:136kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1715.685087] lowmem_reserve[]: 0 3505 3505 [ 1715.689293] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:136kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1715.718254] lowmem_reserve[]: 0 0 0 [ 1715.721887] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1715.735236] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1715.747725] 10535 total pagecache pages [ 1715.751687] 0 pages in swap cache [ 1715.755124] Swap cache stats: add 0, delete 0, find 0/0 [ 1715.760469] Free swap = 0kB [ 1715.763493] Total swap = 0kB [ 1715.766496] 1965979 pages RAM [ 1715.769605] 0 pages HighMem/MovableOnly [ 1715.773559] 315641 pages reserved [ 1715.787839] [13448] 0 13448 17585 8198 24 3 0 1000 syz-executor3 [ 1715.797343] [13452] 0 13452 17618 8202 25 3 0 1000 syz-executor3 [ 1715.806827] [13996] 0 13996 17585 8199 24 3 0 1000 syz-executor3 [ 1715.816340] [13998] 0 13998 17618 8201 24 3 0 1000 syz-executor3 [ 1715.825829] [14075] 0 14075 17618 8202 25 3 0 1000 syz-executor1 [ 1715.835346] [14208] 0 14208 17615 8234 26 4 0 1000 syz-executor1 [ 1715.844838] [14424] 0 14424 17618 8232 25 4 0 1000 syz-executor1 [ 1715.854341] [14526] 0 14526 17684 8242 25 4 0 0 syz-executor4 [ 1715.863839] [14677] 0 14677 17618 8232 25 4 0 1000 syz-executor1 [ 1715.873326] [14718] 0 14718 17585 8201 24 3 0 0 syz-executor4 [ 1715.882824] [14733] 0 14733 17651 8206 24 3 0 0 syz-executor4 [ 1715.893062] [14838] 0 14838 17651 8238 26 4 0 1000 syz-executor5 [ 1715.907686] [15340] 0 15340 17618 12703 31 3 0 0 syz-executor4 [ 1715.918076] [15358] 0 15358 17651 11199 29 3 0 0 syz-executor4 [ 1715.927588] [15477] 0 15477 17618 8203 24 3 0 1000 syz-executor5 [ 1715.937069] [16089] 0 16089 17585 8230 25 4 0 1000 syz-executor1 [ 1715.946544] [16186] 0 16186 17684 8222 26 4 0 1000 syz-executor2 [ 1715.956036] [16218] 0 16218 17684 8222 26 4 0 1000 syz-executor2 [ 1715.965546] [16349] 0 16349 17585 8231 25 4 0 1000 syz-executor5 [ 1715.975107] [16511] 0 16511 17585 8190 23 3 0 1000 syz-executor5 [ 1715.984635] [16541] 0 16541 17618 8235 25 4 0 1000 syz-executor1 [ 1715.994160] [16542] 0 16542 17684 8212 24 3 0 1000 syz-executor5 [ 1716.003651] [16550] 0 16550 17618 8235 25 4 0 1000 syz-executor1 [ 1716.013536] [16570] 0 16570 17585 8190 23 3 0 1000 syz-executor5 [ 1716.024716] [16602] 0 16602 17585 8233 25 4 0 1000 syz-executor1 [ 1716.034254] [16645] 0 16645 17618 8234 26 4 0 1000 syz-executor2 [ 1716.046554] [16793] 0 16793 17618 8234 25 4 0 1000 syz-executor5 [ 1716.056064] [16831] 0 16831 17585 8198 24 3 0 1000 syz-executor1 [ 1716.065545] [16834] 0 16834 17618 8200 24 3 0 1000 syz-executor1 [ 1716.075041] [16901] 0 16901 17618 8232 25 4 0 1000 syz-executor1 [ 1716.084642] [16936] 0 16936 17618 12677 31 3 0 1000 syz-executor5 [ 1716.094141] [17014] 0 17014 17618 12677 31 3 0 1000 syz-executor5 [ 1716.106173] [17077] 0 17077 17618 12677 31 3 0 1000 syz-executor5 [ 1716.116310] [17108] 0 17108 17684 8242 25 4 0 0 syz-executor4 [ 1716.125811] [17147] 0 17147 17618 12677 31 3 0 1000 syz-executor5 [ 1716.228056] [17190] 0 17190 17618 12677 31 3 0 1000 syz-executor5 [ 1716.237592] [17247] 0 17247 17618 12677 31 3 0 1000 syz-executor5 [ 1716.247072] [17322] 0 17322 17618 12677 31 3 0 1000 syz-executor5 [ 1716.256559] [17380] 0 17380 17618 12677 31 3 0 1000 syz-executor5 [ 1716.266138] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1716.275793] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1716.282803] Call Trace: [ 1716.285389] dump_stack+0xb9/0x11b [ 1716.288936] warn_alloc.cold.35+0x9d/0x1b7 [ 1716.293197] ? zone_watermark_ok_safe+0x240/0x240 [ 1716.298073] ? __lock_acquire+0x619/0x4320 [ 1716.302330] __alloc_pages_nodemask+0x19f4/0x2280 [ 1716.307196] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1716.312035] ? perf_trace_lock+0x11a/0x4c0 [ 1716.316274] ? trace_hardirqs_on+0x10/0x10 [ 1716.320521] ? HARDIRQ_verbose+0x10/0x10 [ 1716.324583] ? check_preemption_disabled+0x34/0x1e0 [ 1716.329612] new_slab+0x3c0/0x470 [ 1716.333079] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1716.338089] ? __sigqueue_alloc+0x1d9/0x400 [ 1716.342401] ? check_preemption_disabled+0x34/0x1e0 [ 1716.347439] ? check_preemption_disabled+0x34/0x1e0 [ 1716.352468] ? __sigqueue_alloc+0x1d9/0x400 [ 1716.356796] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1716.362242] ? __sigqueue_alloc+0x1d9/0x400 [ 1716.366552] kmem_cache_alloc+0x19e/0x2b0 [ 1716.370694] __sigqueue_alloc+0x1d9/0x400 [ 1716.374838] __send_signal+0x1b0/0x1200 [ 1716.378831] force_sig_info+0x241/0x340 [ 1716.382857] force_sig_info_fault.constprop.7+0x129/0x210 [ 1716.388387] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1716.393515] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1716.398446] ? bad_area_access_error+0x1de/0x330 [ 1716.403199] __bad_area_nosemaphore+0x192/0x280 [ 1716.407871] bad_area_access_error+0x1ff/0x330 [ 1716.412449] ? mm_fault_error+0x2b0/0x2b0 [ 1716.416584] ? vmacache_find+0x50/0x250 [ 1716.420557] __do_page_fault+0x6d0/0xb60 [ 1716.424629] ? retint_user+0x18/0x18 [ 1716.428359] ? bad_area_access_error+0x330/0x330 [ 1716.433142] ? page_fault+0x2c/0x50 [ 1716.436772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1716.441625] ? page_fault+0x2c/0x50 [ 1716.445243] page_fault+0x42/0x50 [ 1716.448696] RIP: 4c59bd:0x4da048 [ 1716.452045] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1716.452099] slab_out_of_memory: 3 callbacks suppressed [ 1716.452105] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1716.470684] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1716.479681] node 0: slabs: 32547, objs: 585846, free: 0 [ 1716.697300] cron: page allocation stalls for 60210ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1716.983625] [17438] 0 17438 17618 12677 31 3 0 1000 syz-executor5 [ 1716.994791] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1717.000935] Call Trace: [ 1717.003525] dump_stack+0xb9/0x11b [ 1717.007069] warn_alloc.cold.35+0x9d/0x1b7 [ 1717.011301] ? zone_watermark_ok_safe+0x240/0x240 [ 1717.016136] ? usleep_range+0x130/0x130 [ 1717.020114] ? do_try_to_free_pages+0xde0/0xde0 [ 1717.024809] __alloc_pages_nodemask+0x1425/0x2280 [ 1717.029683] ? check_preemption_disabled+0x34/0x1e0 [ 1717.034724] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1717.039592] ? find_get_entry+0x118/0x550 [ 1717.043751] ? check_preemption_disabled+0x34/0x1e0 [ 1717.048773] ? check_preemption_disabled+0x34/0x1e0 [ 1717.053787] ? find_get_entry+0x13f/0x550 [ 1717.057938] ? pagecache_get_page+0x129/0x770 [ 1717.062463] filemap_fault+0xcdd/0x14a0 [ 1717.066470] ext4_filemap_fault+0x7d/0xb0 [ 1717.070610] __do_fault+0x80/0x210 [ 1717.074145] __handle_mm_fault+0x991/0x25f0 [ 1717.078466] ? vm_insert_page+0x6d0/0x6d0 [ 1717.082608] ? HARDIRQ_verbose+0x10/0x10 [ 1717.086656] ? HARDIRQ_verbose+0x10/0x10 [ 1717.090706] ? free_object+0xe4/0x240 [ 1717.094534] ? check_preemption_disabled+0x34/0x1e0 [ 1717.099549] handle_mm_fault+0x2f2/0x6eb [ 1717.103606] __do_page_fault+0x45d/0xb60 [ 1717.107700] ? retint_user+0x18/0x18 [ 1717.111423] ? bad_area_access_error+0x330/0x330 [ 1717.116189] ? page_fault+0x2c/0x50 [ 1717.119806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1717.124686] ? page_fault+0x2c/0x50 [ 1717.128305] page_fault+0x42/0x50 [ 1717.131744] RIP: 60882280: (null) [ 1717.135968] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1717.454303] [17530] 0 17530 17651 8236 25 4 0 1000 syz-executor1 [ 1717.962721] [17551] 0 17551 17618 12677 31 3 0 1000 syz-executor5 [ 1718.275376] syz-executor0: page allocation stalls for 100010ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1718.295740] [17556] 0 17556 17618 8234 26 4 0 1000 syz-executor2 [ 1718.306223] modprobe: page allocation stalls for 100030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.317499] kthreadd: page allocation stalls for 100120ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1718.329480] syz-executor2: page allocation stalls for 100050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.341190] init: page allocation stalls for 100190ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.352095] modprobe: page allocation stalls for 100030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.365294] modprobe: page allocation stalls for 100090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.376549] modprobe: page allocation stalls for 100210ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.387822] modprobe: page allocation stalls for 100130ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.399100] kworker/u4:9: page allocation stalls for 100140ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1718.508754] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1718.515713] Call Trace: [ 1718.518303] dump_stack+0xb9/0x11b [ 1718.521863] warn_alloc.cold.35+0x9d/0x1b7 [ 1718.526123] ? zone_watermark_ok_safe+0x240/0x240 [ 1718.531046] __alloc_pages_nodemask+0x1425/0x2280 [ 1718.535910] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1718.540838] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1718.545681] ? perf_trace_lock+0x11a/0x4c0 [ 1718.549929] ? check_preemption_disabled+0x34/0x1e0 [ 1718.554988] ? rcu_read_lock_sched_held+0x102/0x120 [ 1718.560014] copy_process.part.6+0x267/0x6530 [ 1718.564534] ? __handle_mm_fault+0xdab/0x25f0 [ 1718.569027] ? lock_downgrade+0x560/0x560 [ 1718.573199] ? check_preemption_disabled+0x34/0x1e0 [ 1718.578239] ? perf_trace_lock+0x11a/0x4c0 [ 1718.582488] ? __cleanup_sighand+0x40/0x40 [ 1718.586722] ? vm_insert_page+0x6d0/0x6d0 [ 1718.590860] ? HARDIRQ_verbose+0x10/0x10 [ 1718.594946] _do_fork+0x1c2/0xd50 [ 1718.598407] ? fork_idle+0x250/0x250 [ 1718.602128] ? up_read+0x17/0x30 [ 1718.605495] ? __do_page_fault+0x64c/0xb60 [ 1718.609731] ? do_syscall_64+0x43/0x4b0 [ 1718.613722] ? sys_vfork+0x20/0x20 [ 1718.617267] do_syscall_64+0x19b/0x4b0 [ 1718.621185] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1718.626388] RIP: 0033:0x45a049 [ 1718.629593] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1718.637297] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1718.644557] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1718.651832] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1718.659098] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1718.666359] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1718.773549] [17633] 0 17633 17618 12677 31 3 0 1000 syz-executor5 [ 1718.810922] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1718.816815] Call Trace: [ 1718.819402] dump_stack+0xb9/0x11b [ 1718.822968] warn_alloc.cold.35+0x9d/0x1b7 [ 1718.827220] ? zone_watermark_ok_safe+0x240/0x240 [ 1718.832060] ? usleep_range+0x130/0x130 [ 1718.836072] __alloc_pages_nodemask+0x1425/0x2280 [ 1718.840940] ? __kernel_text_address+0x9/0x30 [ 1718.845441] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1718.850305] ? __lock_acquire+0x619/0x4320 [ 1718.854553] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1718.859050] ? kmemdup+0x20/0x50 [ 1718.862410] ? selinux_cred_prepare+0x3e/0x90 [ 1718.866946] ? new_slab+0x358/0x470 [ 1718.870575] new_slab+0x3c0/0x470 [ 1718.874081] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1718.879095] ? getname_flags+0xc4/0x540 [ 1718.883080] ? fs_reclaim_acquire+0x10/0x10 [ 1718.887405] ? check_preemption_disabled+0x34/0x1e0 [ 1718.892432] ? getname_flags+0xc4/0x540 [ 1718.896458] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1718.901905] ? getname_flags+0xc4/0x540 [ 1718.905898] kmem_cache_alloc+0x19e/0x2b0 [ 1718.910046] getname_flags+0xc4/0x540 [ 1718.913852] user_path_at_empty+0x28/0x80 [ 1718.918010] SyS_faccessat+0x20d/0x660 [ 1718.921905] ? SyS_fallocate+0x80/0x80 [ 1718.925796] ? do_syscall_64+0x43/0x4b0 [ 1718.929768] ? SyS_faccessat+0x660/0x660 [ 1718.933860] do_syscall_64+0x19b/0x4b0 [ 1718.937771] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1718.942969] RIP: 0033:0x7f413a3c43c7 [ 1718.946672] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1718.954374] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1718.961636] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1718.968900] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1718.976163] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1718.983445] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1718.999076] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1719.005573] Call Trace: [ 1719.008155] dump_stack+0xb9/0x11b [ 1719.011701] warn_alloc.cold.35+0x9d/0x1b7 [ 1719.015943] ? zone_watermark_ok_safe+0x240/0x240 [ 1719.020780] ? usleep_range+0x130/0x130 [ 1719.024797] __alloc_pages_nodemask+0x1425/0x2280 [ 1719.029661] ? get_page_from_freelist+0x756/0x1ea0 [ 1719.034600] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1719.039469] ? __lock_acquire+0x619/0x4320 [ 1719.043725] ? check_preemption_disabled+0x34/0x1e0 [ 1719.048755] ? new_slab+0x358/0x470 [ 1719.052384] new_slab+0x3c0/0x470 [ 1719.055878] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1719.060891] ? getname_flags+0xc4/0x540 [ 1719.064869] ? fs_reclaim_acquire+0x10/0x10 [ 1719.069189] ? check_preemption_disabled+0x34/0x1e0 [ 1719.074244] ? getname_flags+0xc4/0x540 [ 1719.078231] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1719.083681] ? getname_flags+0xc4/0x540 [ 1719.087645] kmem_cache_alloc+0x19e/0x2b0 [ 1719.091807] getname_flags+0xc4/0x540 [ 1719.095634] user_path_at_empty+0x28/0x80 [ 1719.099804] vfs_statx+0xe1/0x180 [ 1719.103260] ? vfs_statx_fd+0x90/0x90 [ 1719.107095] SyS_newstat+0x81/0xf0 [ 1719.110633] ? SyS_fstat+0xe0/0xe0 [ 1719.114173] ? up_read+0x17/0x30 [ 1719.117534] ? __do_page_fault+0x64c/0xb60 [ 1719.121770] ? do_syscall_64+0x43/0x4b0 [ 1719.125772] ? SyS_fstat+0xe0/0xe0 [ 1719.129303] do_syscall_64+0x19b/0x4b0 [ 1719.133201] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1719.138387] RIP: 0033:0x7f5cb3133c65 [ 1719.142087] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1719.149789] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1719.157050] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1719.164327] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1719.171588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1719.178848] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1719.191879] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1719.198393] Call Trace: [ 1719.200983] dump_stack+0xb9/0x11b [ 1719.204528] warn_alloc.cold.35+0x9d/0x1b7 [ 1719.208758] ? zone_watermark_ok_safe+0x240/0x240 [ 1719.213623] ? usleep_range+0x130/0x130 [ 1719.217635] __alloc_pages_nodemask+0x1425/0x2280 [ 1719.222518] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1719.227366] ? __lock_acquire+0x619/0x4320 [ 1719.231601] ? check_preemption_disabled+0x34/0x1e0 [ 1719.236644] ? new_slab+0x358/0x470 [ 1719.240272] new_slab+0x3c0/0x470 [ 1719.243732] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1719.248748] ? getname_flags+0xc4/0x540 [ 1719.252746] ? fs_reclaim_acquire+0x10/0x10 [ 1719.257069] ? check_preemption_disabled+0x34/0x1e0 [ 1719.262080] ? getname_flags+0xc4/0x540 [ 1719.266046] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1719.271493] ? getname_flags+0xc4/0x540 [ 1719.275462] kmem_cache_alloc+0x19e/0x2b0 [ 1719.279609] getname_flags+0xc4/0x540 [ 1719.283414] user_path_at_empty+0x28/0x80 [ 1719.287575] vfs_statx+0xe1/0x180 [ 1719.291030] ? vfs_statx_fd+0x90/0x90 [ 1719.294826] ? mntput_no_expire+0xca/0x830 [ 1719.299070] SyS_newstat+0x81/0xf0 [ 1719.302621] ? SyS_fstat+0xe0/0xe0 [ 1719.306178] ? _raw_spin_unlock_irq+0x24/0x50 [ 1719.310689] ? trace_hardirqs_on_caller+0x381/0x520 [ 1719.315701] ? _raw_spin_unlock_irq+0x35/0x50 [ 1719.320188] ? task_work_run+0xec/0x190 [ 1719.324166] ? do_syscall_64+0x43/0x4b0 [ 1719.328154] ? SyS_fstat+0xe0/0xe0 [ 1719.331687] do_syscall_64+0x19b/0x4b0 [ 1719.335598] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1719.340781] RIP: 0033:0x7ff6b2c93c65 [ 1719.344482] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1719.352197] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1719.359483] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1719.366759] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1719.374050] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1719.381315] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1719.389730] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1719.396241] Call Trace: [ 1719.398828] dump_stack+0xb9/0x11b [ 1719.402366] warn_alloc.cold.35+0x9d/0x1b7 [ 1719.406614] ? zone_watermark_ok_safe+0x240/0x240 [ 1719.411451] ? usleep_range+0x130/0x130 [ 1719.415548] __alloc_pages_nodemask+0x1425/0x2280 [ 1719.420434] ? perf_trace_lock+0x11a/0x4c0 [ 1719.424680] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1719.429539] ? check_preemption_disabled+0x34/0x1e0 [ 1719.434557] ? __lock_acquire+0x619/0x4320 [ 1719.438825] ? new_slab+0x358/0x470 [ 1719.442457] new_slab+0x3c0/0x470 [ 1719.445916] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1719.450928] ? getname_flags+0xc4/0x540 [ 1719.454922] ? fs_reclaim_acquire+0x10/0x10 [ 1719.459285] ? check_preemption_disabled+0x34/0x1e0 [ 1719.464294] ? getname_flags+0xc4/0x540 [ 1719.468263] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1719.473708] ? getname_flags+0xc4/0x540 [ 1719.477727] kmem_cache_alloc+0x19e/0x2b0 [ 1719.481910] getname_flags+0xc4/0x540 [ 1719.485733] user_path_at_empty+0x28/0x80 [ 1719.489881] vfs_statx+0xe1/0x180 [ 1719.493338] ? vfs_statx_fd+0x90/0x90 [ 1719.497171] SyS_newstat+0x81/0xf0 [ 1719.500709] ? SyS_fstat+0xe0/0xe0 [ 1719.504257] ? up_read+0x17/0x30 [ 1719.507625] ? __do_page_fault+0x64c/0xb60 [ 1719.511880] ? do_syscall_64+0x43/0x4b0 [ 1719.515853] ? SyS_fstat+0xe0/0xe0 [ 1719.519388] do_syscall_64+0x19b/0x4b0 [ 1719.523291] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1719.528475] RIP: 0033:0x7faa2689cc65 [ 1719.532176] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1719.539883] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1719.547165] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1719.554436] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1719.561698] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1719.568960] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1719.577363] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1719.583856] Call Trace: [ 1719.586453] dump_stack+0xb9/0x11b [ 1719.590014] warn_alloc.cold.35+0x9d/0x1b7 [ 1719.594247] ? zone_watermark_ok_safe+0x240/0x240 [ 1719.599088] ? usleep_range+0x130/0x130 [ 1719.603120] __alloc_pages_nodemask+0x1425/0x2280 [ 1719.607983] ? __kernel_text_address+0x9/0x30 [ 1719.612479] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1719.617349] ? __lock_acquire+0x619/0x4320 [ 1719.621586] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1719.626085] ? kmemdup+0x20/0x50 [ 1719.629457] ? selinux_cred_prepare+0x3e/0x90 [ 1719.633966] ? new_slab+0x358/0x470 [ 1719.637595] new_slab+0x3c0/0x470 [ 1719.641058] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1719.646087] ? getname_flags+0xc4/0x540 [ 1719.650067] ? fs_reclaim_acquire+0x10/0x10 [ 1719.654435] ? check_preemption_disabled+0x34/0x1e0 [ 1719.659468] ? getname_flags+0xc4/0x540 [ 1719.663456] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1719.668906] ? getname_flags+0xc4/0x540 [ 1719.672875] kmem_cache_alloc+0x19e/0x2b0 [ 1719.677057] getname_flags+0xc4/0x540 [ 1719.680868] user_path_at_empty+0x28/0x80 [ 1719.685018] SyS_faccessat+0x20d/0x660 [ 1719.688912] ? SyS_fallocate+0x80/0x80 [ 1719.692821] ? do_syscall_64+0x43/0x4b0 [ 1719.696792] ? SyS_faccessat+0x660/0x660 [ 1719.700855] do_syscall_64+0x19b/0x4b0 [ 1719.704750] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1719.709934] RIP: 0033:0x7fd4ad02d267 [ 1719.713651] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1719.721358] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1719.728618] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1719.735887] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1719.743146] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1719.750431] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1719.765243] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1719.771737] Call Trace: [ 1719.774327] dump_stack+0xb9/0x11b [ 1719.777865] warn_alloc.cold.35+0x9d/0x1b7 [ 1719.782093] ? zone_watermark_ok_safe+0x240/0x240 [ 1719.786930] ? usleep_range+0x130/0x130 [ 1719.790995] __alloc_pages_nodemask+0x1425/0x2280 [ 1719.795863] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1719.800714] ? __lock_acquire+0x619/0x4320 [ 1719.804941] ? __lock_acquire+0x619/0x4320 [ 1719.809210] ? __lock_acquire+0x619/0x4320 [ 1719.813472] ? new_slab+0x358/0x470 [ 1719.817132] new_slab+0x3c0/0x470 [ 1719.820595] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1719.825661] ? getname_flags+0xc4/0x540 [ 1719.829649] ? fs_reclaim_acquire+0x10/0x10 [ 1719.833973] ? check_preemption_disabled+0x34/0x1e0 [ 1719.839021] ? getname_flags+0xc4/0x540 [ 1719.842995] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1719.848448] ? getname_flags+0xc4/0x540 [ 1719.852427] kmem_cache_alloc+0x19e/0x2b0 [ 1719.856580] getname_flags+0xc4/0x540 [ 1719.860384] user_path_at_empty+0x28/0x80 [ 1719.864531] vfs_statx+0xe1/0x180 [ 1719.867998] ? vfs_statx_fd+0x90/0x90 [ 1719.871791] ? __might_fault+0x104/0x1b0 [ 1719.875866] ? lock_downgrade+0x560/0x560 [ 1719.880003] ? lock_acquire+0x10f/0x380 [ 1719.883968] ? __might_fault+0xd4/0x1b0 [ 1719.887962] SyS_newfstatat+0x89/0x100 [ 1719.891846] ? SyS_newlstat+0xf0/0xf0 [ 1719.895641] ? __might_fault+0x177/0x1b0 [ 1719.899699] ? SyS_getdents+0x1d0/0x270 [ 1719.903671] ? SyS_old_readdir+0x150/0x150 [ 1719.907914] ? compat_fillonedir+0x260/0x260 [ 1719.912343] ? do_syscall_64+0x43/0x4b0 [ 1719.916313] ? SyS_newlstat+0xf0/0xf0 [ 1719.920125] do_syscall_64+0x19b/0x4b0 [ 1719.924019] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1719.929199] RIP: 0033:0x7f7afb061e1a [ 1719.932913] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1719.940615] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1719.947881] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1719.955143] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1719.962416] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1719.969688] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1719.978989] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1719.985914] Call Trace: [ 1719.988497] dump_stack+0xb9/0x11b [ 1719.992038] warn_alloc.cold.35+0x9d/0x1b7 [ 1719.996271] ? zone_watermark_ok_safe+0x240/0x240 [ 1720.001109] ? usleep_range+0x130/0x130 [ 1720.005144] __alloc_pages_nodemask+0x1425/0x2280 [ 1720.010001] ? debug_check_no_obj_freed+0x150/0x77c [ 1720.015015] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1720.019851] ? __lock_acquire+0x619/0x4320 [ 1720.024084] ? __lock_acquire+0x619/0x4320 [ 1720.028307] ? lock_acquire+0x10f/0x380 [ 1720.032281] ? avc_has_perm+0x9e/0x390 [ 1720.036199] ? new_slab+0x358/0x470 [ 1720.039831] new_slab+0x3c0/0x470 [ 1720.043292] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1720.048303] ? __might_fault+0x104/0x1b0 [ 1720.052359] ? getname_flags+0xc4/0x540 [ 1720.056340] ? fs_reclaim_acquire+0x10/0x10 [ 1720.060680] ? check_preemption_disabled+0x34/0x1e0 [ 1720.065703] ? getname_flags+0xc4/0x540 [ 1720.069674] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1720.075121] ? getname_flags+0xc4/0x540 [ 1720.079117] kmem_cache_alloc+0x19e/0x2b0 [ 1720.083263] getname_flags+0xc4/0x540 [ 1720.087060] ? SyS_unlinkat+0x70/0x70 [ 1720.090872] do_unlinkat+0xc9/0x650 [ 1720.094502] ? do_rmdir+0x3a0/0x3a0 [ 1720.098130] ? SyS_newlstat+0x92/0xf0 [ 1720.101942] ? SyS_newstat+0xf0/0xf0 [ 1720.105677] ? do_syscall_64+0x43/0x4b0 [ 1720.109645] ? SyS_unlinkat+0x70/0x70 [ 1720.113450] do_syscall_64+0x19b/0x4b0 [ 1720.117358] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1720.122537] RIP: 0033:0x4573c7 [ 1720.125756] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1720.133458] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1720.140718] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1720.147977] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1720.155239] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1720.162505] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1720.173559] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1720.180402] Call Trace: [ 1720.182999] dump_stack+0xb9/0x11b [ 1720.186544] warn_alloc.cold.35+0x9d/0x1b7 [ 1720.190785] ? zone_watermark_ok_safe+0x240/0x240 [ 1720.195621] ? usleep_range+0x130/0x130 [ 1720.199656] __alloc_pages_nodemask+0x1425/0x2280 [ 1720.204514] ? perf_trace_lock+0x11a/0x4c0 [ 1720.208769] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1720.213606] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1720.218566] ? __lock_acquire+0x619/0x4320 [ 1720.222850] ? perf_trace_lock+0x11a/0x4c0 [ 1720.227080] ? new_slab+0x358/0x470 [ 1720.230706] new_slab+0x3c0/0x470 [ 1720.234170] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1720.239181] ? debug_object_deactivate+0x340/0x340 [ 1720.244158] ? getname_kernel+0x4e/0x340 [ 1720.248272] ? fs_reclaim_acquire+0x10/0x10 [ 1720.252609] ? check_preemption_disabled+0x34/0x1e0 [ 1720.257618] ? getname_kernel+0x4e/0x340 [ 1720.261672] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1720.267145] ? getname_kernel+0x4e/0x340 [ 1720.271197] kmem_cache_alloc+0x19e/0x2b0 [ 1720.275350] getname_kernel+0x4e/0x340 [ 1720.279239] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1720.284593] ? umh_complete+0x80/0x80 [ 1720.288391] ret_from_fork+0x3a/0x50 [ 1720.294014] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1720.300250] Call Trace: [ 1720.302843] dump_stack+0xb9/0x11b [ 1720.306382] warn_alloc.cold.35+0x9d/0x1b7 [ 1720.310636] ? zone_watermark_ok_safe+0x240/0x240 [ 1720.315546] __alloc_pages_nodemask+0x1425/0x2280 [ 1720.320411] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1720.325382] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1720.330231] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1720.335458] ? copy_process.part.6+0x1435/0x6530 [ 1720.340252] ? rcu_read_lock_sched_held+0x102/0x120 [ 1720.345269] copy_process.part.6+0x267/0x6530 [ 1720.349803] ? __lock_acquire+0x619/0x4320 [ 1720.354039] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1720.359141] ? kthread_create_on_node+0xe0/0xe0 [ 1720.363827] ? __cleanup_sighand+0x40/0x40 [ 1720.368059] ? perf_trace_lock+0x11a/0x4c0 [ 1720.372288] ? check_preemption_disabled+0x34/0x1e0 [ 1720.377302] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1720.382250] _do_fork+0x1c2/0xd50 [ 1720.385703] ? kthread_create_on_node+0xe0/0xe0 [ 1720.390373] ? fork_idle+0x250/0x250 [ 1720.394108] ? kthreadd+0x28a/0x3d0 [ 1720.397734] ? lock_downgrade+0x560/0x560 [ 1720.401906] ? lock_acquire+0x10f/0x380 [ 1720.405889] ? kthreadd+0x1c4/0x3d0 [ 1720.409535] ? kthread_create_on_node+0xe0/0xe0 [ 1720.414193] kernel_thread+0x2f/0x40 [ 1720.417908] kthreadd+0x29e/0x3d0 [ 1720.421379] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1720.426127] ? finish_task_switch+0x1e6/0x610 [ 1720.430620] ? __switch_to_asm+0x34/0x70 [ 1720.434676] ? __switch_to_asm+0x40/0x70 [ 1720.438730] ? __switch_to_asm+0x34/0x70 [ 1720.442781] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1720.447530] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1720.452282] ret_from_fork+0x3a/0x50 [ 1720.606510] [17722] 0 17722 17618 12677 31 3 0 1000 syz-executor5 [ 1720.801812] [17774] 0 17774 17618 12677 31 3 0 1000 syz-executor5 [ 1721.015008] [17805] 0 17805 17585 8201 26 3 0 1000 syz-executor2 [ 1721.220091] [17809] 0 17809 17618 8203 26 3 0 1000 syz-executor2 [ 1721.229581] [17904] 0 17904 17618 12677 31 3 0 1000 syz-executor5 [ 1721.622825] [17944] 0 17944 17618 12677 31 3 0 1000 syz-executor5 [ 1721.732190] warn_alloc_show_mem: 1 callbacks suppressed [ 1721.732194] Mem-Info: [ 1721.739983] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1721.739983] active_file:58 inactive_file:81 isolated_file:0 [ 1721.739983] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1721.739983] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1721.739983] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1721.739983] free:4403 free_pcp:0 free_cma:0 [ 1721.868028] [18010] 0 18010 17585 8201 25 3 0 1000 syz-executor2 [ 1722.038202] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1722.045866] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1722.055665] node 0: slabs: 2266, objs: 27192, free: 0 [ 1722.085222] [18019] 0 18019 17618 12677 31 3 0 1000 syz-executor5 [ 1722.145343] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1722.290923] [18031] 0 18031 17651 8209 25 3 0 1000 syz-executor2 [ 1722.366953] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1722.521279] [18104] 0 18104 17618 12677 31 3 0 1000 syz-executor5 [ 1722.649653] lowmem_reserve[]: 0 3505 3505 [ 1722.691026] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1722.768459] [18152] 0 18152 17618 12677 31 3 0 1000 syz-executor5 [ 1722.983846] [18159] 0 18159 17585 8216 25 3 0 0 syz-executor4 [ 1722.993419] lowmem_reserve[]: 0 0 0 [ 1722.997100] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1723.134618] warn_alloc_show_mem: 1 callbacks suppressed [ 1723.134622] Mem-Info: [ 1723.151868] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1723.225003] [18253] 0 18253 17618 12677 31 3 0 1000 syz-executor5 [ 1723.276035] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1723.276035] active_file:58 inactive_file:83 isolated_file:0 [ 1723.276035] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1723.276035] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1723.276035] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1723.276035] free:4403 free_pcp:0 free_cma:0 [ 1723.327667] 10535 total pagecache pages [ 1723.365592] 0 pages in swap cache [ 1723.369071] Swap cache stats: add 0, delete 0, find 0/0 [ 1723.448624] Free swap = 0kB [ 1723.451754] Total swap = 0kB [ 1723.454766] 1965979 pages RAM [ 1723.457857] 0 pages HighMem/MovableOnly [ 1723.494415] [18309] 0 18309 17618 12677 31 3 0 1000 syz-executor5 [ 1723.589055] 315641 pages reserved [ 1723.724551] [18374] 0 18374 17618 12677 31 3 0 1000 syz-executor5 [ 1723.963197] [18418] 0 18418 17618 12677 31 3 0 1000 syz-executor5 [ 1724.133756] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1724.218990] [18427] 0 18427 17618 8234 25 4 0 0 syz-executor4 [ 1724.266478] Mem-Info: [ 1724.268924] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1724.268924] active_file:58 inactive_file:83 isolated_file:0 [ 1724.268924] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1724.268924] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1724.268924] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1724.268924] free:4403 free_pcp:0 free_cma:0 [ 1724.375863] warn_alloc: 19 callbacks suppressed [ 1724.375867] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1724.390215] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1724.397226] Call Trace: [ 1724.399810] dump_stack+0xb9/0x11b [ 1724.403353] warn_alloc.cold.35+0x9d/0x1b7 [ 1724.407638] ? zone_watermark_ok_safe+0x240/0x240 [ 1724.412492] ? __lock_acquire+0x619/0x4320 [ 1724.416810] __alloc_pages_nodemask+0x19f4/0x2280 [ 1724.421690] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1724.426532] ? perf_trace_lock+0x11a/0x4c0 [ 1724.430790] ? trace_hardirqs_on+0x10/0x10 [ 1724.435055] ? HARDIRQ_verbose+0x10/0x10 [ 1724.439139] ? check_preemption_disabled+0x34/0x1e0 [ 1724.444172] new_slab+0x3c0/0x470 [ 1724.447633] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1724.452647] ? __sigqueue_alloc+0x1d9/0x400 [ 1724.456961] ? check_preemption_disabled+0x34/0x1e0 [ 1724.461991] ? check_preemption_disabled+0x34/0x1e0 [ 1724.467025] ? __sigqueue_alloc+0x1d9/0x400 [ 1724.471341] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1724.476804] ? __sigqueue_alloc+0x1d9/0x400 [ 1724.481134] kmem_cache_alloc+0x19e/0x2b0 [ 1724.485282] __sigqueue_alloc+0x1d9/0x400 [ 1724.489436] __send_signal+0x1b0/0x1200 [ 1724.493432] force_sig_info+0x241/0x340 [ 1724.497414] force_sig_info_fault.constprop.7+0x129/0x210 [ 1724.502958] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1724.508099] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1724.513047] ? bad_area_access_error+0x1de/0x330 [ 1724.517807] __bad_area_nosemaphore+0x192/0x280 [ 1724.522485] bad_area_access_error+0x1ff/0x330 [ 1724.527065] ? mm_fault_error+0x2b0/0x2b0 [ 1724.531210] ? vmacache_find+0x50/0x250 [ 1724.535202] __do_page_fault+0x6d0/0xb60 [ 1724.539274] ? retint_user+0x18/0x18 [ 1724.542984] ? bad_area_access_error+0x330/0x330 [ 1724.547751] ? page_fault+0x2c/0x50 [ 1724.551386] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1724.556235] ? page_fault+0x2c/0x50 [ 1724.559876] page_fault+0x42/0x50 [ 1724.563323] RIP: 4c59bd:0x4da048 [ 1724.566678] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1724.566724] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1724.580045] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1724.589059] node 0: slabs: 32547, objs: 585846, free: 0 [ 1724.714171] [18465] 0 18465 17651 8234 25 4 0 1000 syz-executor1 [ 1724.947380] [18536] 0 18536 17618 12677 31 3 0 1000 syz-executor5 [ 1725.008251] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1725.250608] [18589] 0 18589 17618 12677 31 3 0 1000 syz-executor5 [ 1725.299645] warn_alloc_show_mem: 5 callbacks suppressed [ 1725.299649] Mem-Info: [ 1725.455685] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1725.455685] active_file:58 inactive_file:83 isolated_file:0 [ 1725.455685] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1725.455685] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1725.455685] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1725.455685] free:4403 free_pcp:0 free_cma:0 [ 1725.546319] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1725.589763] [18635] 0 18635 17651 8236 26 4 0 1000 syz-executor2 [ 1725.880086] [18651] 0 18651 17618 12677 31 3 0 1000 syz-executor5 [ 1725.889699] [18736] 0 18736 17651 8220 26 4 0 1000 syz-executor2 [ 1725.963118] lowmem_reserve[]: 0 3505 3505 [ 1725.967351] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.327589] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1726.524438] [18738] 0 18738 17618 12677 31 3 0 1000 syz-executor5 [ 1726.587374] cron: page allocation stalls for 70100ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1726.612664] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:324kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1726.856510] [18753] 0 18753 17651 8220 26 4 0 1000 syz-executor2 [ 1726.974944] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1726.981121] Call Trace: [ 1726.983728] dump_stack+0xb9/0x11b [ 1726.987272] warn_alloc.cold.35+0x9d/0x1b7 [ 1726.991506] ? zone_watermark_ok_safe+0x240/0x240 [ 1726.996362] ? usleep_range+0x130/0x130 [ 1727.000340] ? do_try_to_free_pages+0xde0/0xde0 [ 1727.005040] __alloc_pages_nodemask+0x1425/0x2280 [ 1727.009905] ? check_preemption_disabled+0x34/0x1e0 [ 1727.014928] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1727.019804] ? find_get_entry+0x118/0x550 [ 1727.023972] ? check_preemption_disabled+0x34/0x1e0 [ 1727.028982] ? check_preemption_disabled+0x34/0x1e0 [ 1727.034002] ? find_get_entry+0x13f/0x550 [ 1727.038177] ? pagecache_get_page+0x129/0x770 [ 1727.042675] filemap_fault+0xcdd/0x14a0 [ 1727.046671] ext4_filemap_fault+0x7d/0xb0 [ 1727.050816] __do_fault+0x80/0x210 [ 1727.054358] __handle_mm_fault+0x991/0x25f0 [ 1727.058681] ? vm_insert_page+0x6d0/0x6d0 [ 1727.062820] ? HARDIRQ_verbose+0x10/0x10 [ 1727.066873] ? HARDIRQ_verbose+0x10/0x10 [ 1727.070932] ? free_object+0xe4/0x240 [ 1727.074754] ? check_preemption_disabled+0x34/0x1e0 [ 1727.079778] handle_mm_fault+0x2f2/0x6eb [ 1727.083855] __do_page_fault+0x45d/0xb60 [ 1727.087921] ? retint_user+0x18/0x18 [ 1727.091632] ? bad_area_access_error+0x330/0x330 [ 1727.096386] ? page_fault+0x2c/0x50 [ 1727.100010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1727.104860] ? page_fault+0x2c/0x50 [ 1727.108485] page_fault+0x42/0x50 [ 1727.111928] RIP: 60882280: (null) [ 1727.116149] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1727.201127] lowmem_reserve[]: 0 0 0 [ 1727.278242] [18796] 0 18796 17618 12677 31 3 0 1000 syz-executor5 [ 1727.422559] lowmem_reserve[]: 0 3505 3505 [ 1727.426776] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1727.526964] DMA32 free:15620kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1727.556162] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1727.648184] [18825] 0 18825 17618 12677 31 3 0 1000 syz-executor5 [ 1727.934651] [18875] 0 18875 17618 12677 31 3 0 1000 syz-executor5 [ 1727.980073] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1728.171322] modprobe: page allocation stalls for 110010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1728.238254] syz-fuzzer: page allocation stalls for 70010ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1728.260005] init: page allocation stalls for 110100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1728.274766] [18952] 0 18952 17618 12677 31 3 0 1000 syz-executor5 [ 1728.285167] modprobe: page allocation stalls for 110030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1728.307161] syz-executor0: page allocation stalls for 110040ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1728.321518] modprobe: page allocation stalls for 110050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1728.332781] modprobe: page allocation stalls for 110040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1728.350070] syz-executor3: page allocation stalls for 110090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1728.415716] 10535 total pagecache pages [ 1728.419705] 0 pages in swap cache [ 1728.455554] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1728.462509] Call Trace: [ 1728.465096] dump_stack+0xb9/0x11b [ 1728.468653] warn_alloc.cold.35+0x9d/0x1b7 [ 1728.472880] ? zone_watermark_ok_safe+0x240/0x240 [ 1728.477776] __alloc_pages_nodemask+0x1425/0x2280 [ 1728.482632] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1728.487562] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1728.492400] ? perf_trace_lock+0x11a/0x4c0 [ 1728.496632] ? check_preemption_disabled+0x34/0x1e0 [ 1728.501680] ? rcu_read_lock_sched_held+0x102/0x120 [ 1728.506698] copy_process.part.6+0x267/0x6530 [ 1728.511196] ? __handle_mm_fault+0xdab/0x25f0 [ 1728.515720] ? lock_downgrade+0x560/0x560 [ 1728.519869] ? check_preemption_disabled+0x34/0x1e0 [ 1728.524887] ? perf_trace_lock+0x11a/0x4c0 [ 1728.529127] ? __cleanup_sighand+0x40/0x40 [ 1728.533350] ? vm_insert_page+0x6d0/0x6d0 [ 1728.537487] ? HARDIRQ_verbose+0x10/0x10 [ 1728.541571] _do_fork+0x1c2/0xd50 [ 1728.545029] ? fork_idle+0x250/0x250 [ 1728.548740] ? up_read+0x17/0x30 [ 1728.552118] ? __do_page_fault+0x64c/0xb60 [ 1728.556353] ? do_syscall_64+0x43/0x4b0 [ 1728.560325] ? sys_vfork+0x20/0x20 [ 1728.563859] do_syscall_64+0x19b/0x4b0 [ 1728.567782] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1728.572963] RIP: 0033:0x45a049 [ 1728.576144] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1728.583850] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1728.591110] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1728.598387] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1728.605647] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1728.612911] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1728.645807] lowmem_reserve[]: 0 3505 3505 [ 1728.650014] Normal free:1992kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1728.683155] lowmem_reserve[]: [ 1728.714204] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1728.723800] Call Trace: [ 1728.726406] dump_stack+0xb9/0x11b [ 1728.729959] warn_alloc.cold.35+0x9d/0x1b7 [ 1728.734195] ? zone_watermark_ok_safe+0x240/0x240 [ 1728.739043] ? usleep_range+0x130/0x130 [ 1728.743059] __alloc_pages_nodemask+0x1425/0x2280 [ 1728.747933] ? __kernel_text_address+0x9/0x30 [ 1728.752451] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1728.757320] ? __lock_acquire+0x619/0x4320 [ 1728.761556] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1728.766070] ? kmemdup+0x20/0x50 [ 1728.769459] ? selinux_cred_prepare+0x3e/0x90 [ 1728.773995] ? new_slab+0x358/0x470 [ 1728.777620] new_slab+0x3c0/0x470 [ 1728.781083] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1728.786094] ? getname_flags+0xc4/0x540 [ 1728.790090] ? fs_reclaim_acquire+0x10/0x10 [ 1728.794422] ? check_preemption_disabled+0x34/0x1e0 [ 1728.799450] ? getname_flags+0xc4/0x540 [ 1728.803417] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1728.809326] ? getname_flags+0xc4/0x540 [ 1728.813304] kmem_cache_alloc+0x19e/0x2b0 [ 1728.817453] getname_flags+0xc4/0x540 [ 1728.821258] user_path_at_empty+0x28/0x80 [ 1728.825404] SyS_faccessat+0x20d/0x660 [ 1728.829305] ? SyS_fallocate+0x80/0x80 [ 1728.833191] ? do_syscall_64+0x43/0x4b0 [ 1728.837185] ? SyS_faccessat+0x660/0x660 [ 1728.841243] do_syscall_64+0x19b/0x4b0 [ 1728.845133] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1728.850310] RIP: 0033:0x7fd4ad02d267 [ 1728.854011] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1728.861715] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1728.868972] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1728.876234] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1728.883509] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1728.890769] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1728.907973] [19015] 0 19015 17618 12677 31 3 0 1000 syz-executor5 [ 1728.942600] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1728.948490] Call Trace: [ 1728.951078] dump_stack+0xb9/0x11b [ 1728.954618] warn_alloc.cold.35+0x9d/0x1b7 [ 1728.958876] ? zone_watermark_ok_safe+0x240/0x240 [ 1728.963728] ? usleep_range+0x130/0x130 [ 1728.967735] __alloc_pages_nodemask+0x1425/0x2280 [ 1728.972590] ? __kernel_text_address+0x9/0x30 [ 1728.977086] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1728.981937] ? __lock_acquire+0x619/0x4320 [ 1728.986172] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1728.990666] ? kmemdup+0x20/0x50 [ 1728.994023] ? selinux_cred_prepare+0x3e/0x90 [ 1728.998526] ? new_slab+0x358/0x470 [ 1729.002169] new_slab+0x3c0/0x470 [ 1729.005641] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1729.010647] ? getname_flags+0xc4/0x540 [ 1729.014664] ? fs_reclaim_acquire+0x10/0x10 [ 1729.018995] ? check_preemption_disabled+0x34/0x1e0 [ 1729.024019] ? getname_flags+0xc4/0x540 [ 1729.027998] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1729.033448] ? getname_flags+0xc4/0x540 [ 1729.037411] kmem_cache_alloc+0x19e/0x2b0 [ 1729.041566] getname_flags+0xc4/0x540 [ 1729.045367] user_path_at_empty+0x28/0x80 [ 1729.049517] SyS_faccessat+0x20d/0x660 [ 1729.053403] ? SyS_fallocate+0x80/0x80 [ 1729.057292] ? do_syscall_64+0x43/0x4b0 [ 1729.061258] ? SyS_faccessat+0x660/0x660 [ 1729.065314] do_syscall_64+0x19b/0x4b0 [ 1729.069239] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1729.074421] RIP: 0033:0x7f413a3c43c7 [ 1729.078134] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1729.085875] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1729.093135] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1729.100391] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1729.107649] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1729.114907] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1729.134116] lowmem_reserve[]: 0 0 0 [ 1729.137796] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1729.151277] Swap cache stats: add 0, delete 0, find 0/0 [ 1729.156633] Free swap = 0kB [ 1729.159647] Total swap = 0kB [ 1729.167390] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1729.173900] Call Trace: [ 1729.176488] dump_stack+0xb9/0x11b [ 1729.180028] warn_alloc.cold.35+0x9d/0x1b7 [ 1729.184296] ? zone_watermark_ok_safe+0x240/0x240 [ 1729.189150] ? usleep_range+0x130/0x130 [ 1729.193157] __alloc_pages_nodemask+0x1425/0x2280 [ 1729.198049] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1729.202892] ? __lock_acquire+0x619/0x4320 [ 1729.207118] ? __lock_acquire+0x619/0x4320 [ 1729.211355] ? __lock_acquire+0x619/0x4320 [ 1729.215599] ? new_slab+0x358/0x470 [ 1729.219242] new_slab+0x3c0/0x470 [ 1729.222716] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1729.227746] ? getname_flags+0xc4/0x540 [ 1729.231727] ? fs_reclaim_acquire+0x10/0x10 [ 1729.236049] ? check_preemption_disabled+0x34/0x1e0 [ 1729.241058] ? getname_flags+0xc4/0x540 [ 1729.245025] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1729.250469] ? getname_flags+0xc4/0x540 [ 1729.254443] kmem_cache_alloc+0x19e/0x2b0 [ 1729.258594] getname_flags+0xc4/0x540 [ 1729.262401] user_path_at_empty+0x28/0x80 [ 1729.266556] vfs_statx+0xe1/0x180 [ 1729.270011] ? vfs_statx_fd+0x90/0x90 [ 1729.273816] ? __might_fault+0x104/0x1b0 [ 1729.277871] ? lock_downgrade+0x560/0x560 [ 1729.282007] ? lock_acquire+0x10f/0x380 [ 1729.285973] ? __might_fault+0xd4/0x1b0 [ 1729.289946] SyS_newfstatat+0x89/0x100 [ 1729.293844] ? SyS_newlstat+0xf0/0xf0 [ 1729.297635] ? __might_fault+0x177/0x1b0 [ 1729.301689] ? SyS_getdents+0x1d0/0x270 [ 1729.305658] ? SyS_old_readdir+0x150/0x150 [ 1729.309900] ? compat_fillonedir+0x260/0x260 [ 1729.314317] ? do_syscall_64+0x43/0x4b0 [ 1729.318310] ? SyS_newlstat+0xf0/0xf0 [ 1729.322104] do_syscall_64+0x19b/0x4b0 [ 1729.326016] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1729.331196] RIP: 0033:0x7fe72a00be1a [ 1729.334901] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1729.342601] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1729.349863] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1729.357127] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1729.364403] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1729.371672] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1729.386459] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1729.393138] Call Trace: [ 1729.395722] dump_stack+0xb9/0x11b [ 1729.399282] warn_alloc.cold.35+0x9d/0x1b7 [ 1729.403532] ? zone_watermark_ok_safe+0x240/0x240 [ 1729.408370] ? usleep_range+0x130/0x130 [ 1729.412350] ? do_try_to_free_pages+0xde0/0xde0 [ 1729.417054] __alloc_pages_nodemask+0x1425/0x2280 [ 1729.421931] ? check_preemption_disabled+0x34/0x1e0 [ 1729.426959] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1729.431812] ? find_get_entry+0x118/0x550 [ 1729.435959] ? check_preemption_disabled+0x34/0x1e0 [ 1729.440968] ? check_preemption_disabled+0x34/0x1e0 [ 1729.446014] ? find_get_entry+0x13f/0x550 [ 1729.450170] ? pagecache_get_page+0x129/0x770 [ 1729.454685] filemap_fault+0xcdd/0x14a0 [ 1729.458680] ext4_filemap_fault+0x7d/0xb0 [ 1729.462824] __do_fault+0x80/0x210 [ 1729.466379] __handle_mm_fault+0x991/0x25f0 [ 1729.470707] ? vm_insert_page+0x6d0/0x6d0 [ 1729.474869] ? HARDIRQ_verbose+0x10/0x10 [ 1729.478937] ? HARDIRQ_verbose+0x10/0x10 [ 1729.482992] ? SyS_futex+0x249/0x2b5 [ 1729.486731] ? check_preemption_disabled+0x34/0x1e0 [ 1729.491767] handle_mm_fault+0x2f2/0x6eb [ 1729.495830] __do_page_fault+0x45d/0xb60 [ 1729.499895] ? retint_user+0x18/0x18 [ 1729.503607] ? bad_area_access_error+0x330/0x330 [ 1729.508374] ? page_fault+0x2c/0x50 [ 1729.511996] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1729.516835] ? page_fault+0x2c/0x50 [ 1729.520486] page_fault+0x42/0x50 [ 1729.523929] RIP: 0020:0x13 [ 1729.526760] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1729.537608] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1729.549485] Call Trace: [ 1729.552069] dump_stack+0xb9/0x11b [ 1729.555612] warn_alloc.cold.35+0x9d/0x1b7 [ 1729.559848] ? zone_watermark_ok_safe+0x240/0x240 [ 1729.564689] ? usleep_range+0x130/0x130 [ 1729.568720] __alloc_pages_nodemask+0x1425/0x2280 [ 1729.573609] ? check_preemption_disabled+0x34/0x1e0 [ 1729.578624] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1729.583466] ? __is_insn_slot_addr+0x139/0x1f0 [ 1729.588056] ? __lock_acquire+0x619/0x4320 [ 1729.592285] ? __lock_acquire+0x619/0x4320 [ 1729.596530] ? depot_save_stack+0x126/0x428 [ 1729.600861] ? perf_trace_lock+0x11a/0x4c0 [ 1729.605092] ? new_slab+0x358/0x470 [ 1729.608745] new_slab+0x3c0/0x470 [ 1729.612213] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1729.617239] ? perf_event_mmap+0x447/0xc30 [ 1729.621482] ? fs_reclaim_acquire+0x10/0x10 [ 1729.625809] ? check_preemption_disabled+0x34/0x1e0 [ 1729.630821] ? perf_event_mmap+0x447/0xc30 [ 1729.635051] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1729.640522] kmem_cache_alloc_trace+0x1c6/0x300 [ 1729.645185] ? perf_event_mmap+0x447/0xc30 [ 1729.649443] perf_event_mmap+0x447/0xc30 [ 1729.653525] ? perf_event_namespaces+0x30/0x30 [ 1729.658130] ? prot_none_test+0x10/0x10 [ 1729.662103] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1729.666278] mprotect_fixup+0x3b2/0x800 [ 1729.670268] ? change_protection+0x50/0x50 [ 1729.674509] ? file_map_prot_check+0x193/0x2c0 [ 1729.679097] ? selinux_file_mprotect+0xf6/0x5c0 [ 1729.683759] ? SyS_mprotect+0x16f/0x610 [ 1729.687748] SyS_mprotect+0x30a/0x610 [ 1729.691571] ? mprotect_fixup+0x800/0x800 [ 1729.695722] ? do_syscall_64+0x43/0x4b0 [ 1729.699716] ? mprotect_fixup+0x800/0x800 [ 1729.703864] do_syscall_64+0x19b/0x4b0 [ 1729.707758] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1729.712941] RIP: 0033:0x7f515b46a447 [ 1729.716647] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1729.724349] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1729.731615] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1729.738890] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1729.746149] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1729.753417] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1729.761825] CPU: 1 PID: 9334 Comm: modprobe Not tainted 4.14.87+ #21 [ 1729.768316] Call Trace: [ 1729.770919] dump_stack+0xb9/0x11b [ 1729.774475] warn_alloc.cold.35+0x9d/0x1b7 [ 1729.778708] ? zone_watermark_ok_safe+0x240/0x240 [ 1729.783545] ? usleep_range+0x130/0x130 [ 1729.787557] __alloc_pages_nodemask+0x1425/0x2280 [ 1729.792423] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1729.797335] ? __lock_acquire+0x619/0x4320 [ 1729.801566] ? __lock_acquire+0x619/0x4320 [ 1729.805802] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1729.810913] ? perf_trace_lock+0x11a/0x4c0 [ 1729.815139] ? new_slab+0x358/0x470 [ 1729.818764] new_slab+0x3c0/0x470 [ 1729.822233] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1729.827247] ? perf_event_mmap+0x447/0xc30 [ 1729.831488] ? fs_reclaim_acquire+0x10/0x10 [ 1729.835805] ? check_preemption_disabled+0x34/0x1e0 [ 1729.840842] ? perf_event_mmap+0x447/0xc30 [ 1729.845098] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1729.850563] kmem_cache_alloc_trace+0x1c6/0x300 [ 1729.855219] ? perf_event_mmap+0x447/0xc30 [ 1729.859487] perf_event_mmap+0x447/0xc30 [ 1729.863587] ? perf_event_namespaces+0x30/0x30 [ 1729.868181] ? prot_none_test+0x10/0x10 [ 1729.872165] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1729.876322] mprotect_fixup+0x3b2/0x800 [ 1729.880307] ? change_protection+0x50/0x50 [ 1729.884561] ? file_map_prot_check+0x193/0x2c0 [ 1729.889160] ? selinux_file_mprotect+0xf6/0x5c0 [ 1729.893821] ? SyS_mprotect+0x16f/0x610 [ 1729.897853] SyS_mprotect+0x30a/0x610 [ 1729.901678] ? mprotect_fixup+0x800/0x800 [ 1729.905828] ? do_syscall_64+0x43/0x4b0 [ 1729.909815] ? mprotect_fixup+0x800/0x800 [ 1729.913973] do_syscall_64+0x19b/0x4b0 [ 1729.917872] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1729.923469] RIP: 0033:0x7fbdfdf45447 [ 1729.927175] RSP: 002b:00007ffda38dca18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1729.934892] RAX: ffffffffffffffda RBX: 00007fbdfe14d9a8 RCX: 00007fbdfdf45447 [ 1729.942162] RDX: 0000000000000001 RSI: 0000000000004000 RDI: 00007fbdfdd0f000 [ 1729.949447] RBP: 00007ffda38dcb10 R08: 000000000000003f R09: 0000000000000001 [ 1729.956709] R10: 00007fbdfd9aaaf0 R11: 0000000000000206 R12: 00007fbdfd98c000 [ 1729.963972] R13: 00007fbdfdd13020 R14: 00007fbdfd9aaaf0 R15: 00007fbdfdd13d98 [ 1729.979634] warn_alloc: 13 callbacks suppressed [ 1729.979639] syz-executor4: [ 1729.988661] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1729.998496] Call Trace: [ 1730.001085] dump_stack+0xb9/0x11b [ 1730.004634] warn_alloc.cold.35+0x9d/0x1b7 [ 1730.008867] ? zone_watermark_ok_safe+0x240/0x240 [ 1730.013723] ? usleep_range+0x130/0x130 [ 1730.018175] __alloc_pages_nodemask+0x1425/0x2280 [ 1730.023048] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1730.027904] ? __lock_acquire+0x619/0x4320 [ 1730.032151] ? kasan_slab_free+0xac/0x190 [ 1730.036294] ? kmem_cache_free+0x12d/0x350 [ 1730.040525] ? putname+0xcf/0x100 [ 1730.043975] ? do_rmdir+0x161/0x3a0 [ 1730.047595] ? do_syscall_64+0x19b/0x4b0 [ 1730.051685] ? new_slab+0x358/0x470 [ 1730.055316] new_slab+0x3c0/0x470 [ 1730.058781] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1730.063796] ? getname_flags+0xc4/0x540 [ 1730.067784] ? fs_reclaim_acquire+0x10/0x10 [ 1730.072124] ? check_preemption_disabled+0x34/0x1e0 [ 1730.077136] ? getname_flags+0xc4/0x540 [ 1730.081106] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1730.086567] ? getname_flags+0xc4/0x540 [ 1730.090535] kmem_cache_alloc+0x19e/0x2b0 [ 1730.094684] getname_flags+0xc4/0x540 [ 1730.098479] ? task_work_run+0x6a/0x190 [ 1730.102478] SyS_mkdirat+0x8d/0x220 [ 1730.106107] ? trace_hardirqs_on_caller+0x381/0x520 [ 1730.111134] ? SyS_mknod+0x30/0x30 [ 1730.114693] ? do_syscall_64+0x43/0x4b0 [ 1730.118665] ? SyS_mkdirat+0x220/0x220 [ 1730.122555] do_syscall_64+0x19b/0x4b0 [ 1730.126459] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1730.131646] RIP: 0033:0x456a97 [ 1730.134842] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1730.142579] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1730.149843] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1730.157109] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1730.164402] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1730.171669] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1730.237737] syz-executor5: page allocation stalls for 110070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1730.260417] syz-executor4: page allocation stalls for 110070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1730.276715] page allocation stalls for 110570ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1730.308805] [19063] 0 19063 17618 12677 31 3 0 1000 syz-executor5 [ 1730.384080] 1965979 pages RAM [ 1730.387239] 0 pages HighMem/MovableOnly [ 1730.405717] syz-executor0: page allocation stalls for 110030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1730.480104] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1730.487056] Call Trace: [ 1730.489646] dump_stack+0xb9/0x11b [ 1730.493193] warn_alloc.cold.35+0x9d/0x1b7 [ 1730.497461] ? zone_watermark_ok_safe+0x240/0x240 [ 1730.502304] ? usleep_range+0x130/0x130 [ 1730.506320] __alloc_pages_nodemask+0x1425/0x2280 [ 1730.511179] ? finish_task_switch+0x1e6/0x610 [ 1730.515673] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1730.520544] ? __lock_acquire+0x619/0x4320 [ 1730.524776] ? finish_task_switch+0x1bd/0x610 [ 1730.529270] ? __lock_acquire+0x619/0x4320 [ 1730.533530] ? _raw_spin_unlock_irq+0x35/0x50 [ 1730.538018] ? finish_task_switch+0x1e6/0x610 [ 1730.542558] ? new_slab+0x358/0x470 [ 1730.546200] new_slab+0x3c0/0x470 [ 1730.549666] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1730.554679] ? getname_flags+0xc4/0x540 [ 1730.558662] ? fs_reclaim_acquire+0x10/0x10 [ 1730.562990] ? check_preemption_disabled+0x34/0x1e0 [ 1730.568008] ? getname_flags+0xc4/0x540 [ 1730.571980] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1730.577439] ? getname_flags+0xc4/0x540 [ 1730.581438] kmem_cache_alloc+0x19e/0x2b0 [ 1730.585590] getname_flags+0xc4/0x540 [ 1730.589413] do_sys_open+0x1ea/0x580 [ 1730.593133] ? filp_open+0x60/0x60 [ 1730.596677] ? SyS_nanosleep+0x138/0x190 [ 1730.600735] ? hrtimer_nanosleep+0x470/0x470 [ 1730.605151] ? do_syscall_64+0x43/0x4b0 [ 1730.609123] ? do_sys_open+0x580/0x580 [ 1730.613014] do_syscall_64+0x19b/0x4b0 [ 1730.616914] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1730.622097] RIP: 0033:0x455680 [ 1730.625285] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1730.632989] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1730.640249] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1730.647514] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1730.654774] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1730.662038] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1730.675832] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1730.690640] CPU: 1 PID: 9279 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1730.697569] Call Trace: [ 1730.700184] dump_stack+0xb9/0x11b [ 1730.703730] warn_alloc.cold.35+0x9d/0x1b7 [ 1730.707963] ? zone_watermark_ok_safe+0x240/0x240 [ 1730.712853] __alloc_pages_nodemask+0x1425/0x2280 [ 1730.717716] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1730.722676] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1730.727537] ? copy_process.part.6+0x1435/0x6530 [ 1730.732324] ? rcu_read_lock_sched_held+0x102/0x120 [ 1730.737344] copy_process.part.6+0x267/0x6530 [ 1730.741862] ? check_preemption_disabled+0x34/0x1e0 [ 1730.746879] ? perf_trace_lock+0x11a/0x4c0 [ 1730.751120] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1730.756068] ? __cleanup_sighand+0x40/0x40 [ 1730.760299] ? change_protection+0x50/0x50 [ 1730.764538] ? SyS_mprotect+0x44a/0x610 [ 1730.768523] _do_fork+0x1c2/0xd50 [ 1730.771982] ? fork_idle+0x250/0x250 [ 1730.775724] ? mprotect_fixup+0x800/0x800 [ 1730.779871] ? do_syscall_64+0x43/0x4b0 [ 1730.783859] ? sys_vfork+0x20/0x20 [ 1730.787391] do_syscall_64+0x19b/0x4b0 [ 1730.791287] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1730.796489] RIP: 0033:0x45a049 [ 1730.799673] RSP: 002b:00007ffe88de5198 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1730.807402] RAX: ffffffffffffffda RBX: 00007f6a76708700 RCX: 000000000045a049 [ 1730.815151] RDX: 00007f6a767089d0 RSI: 00007f6a76707db0 RDI: 00000000003d0f00 [ 1730.822411] RBP: 00007ffe88de53a0 R08: 00007f6a76708700 R09: 00007f6a76708700 [ 1730.829681] R10: 00007f6a767089d0 R11: 0000000000000202 R12: 0000000000000000 [ 1730.836946] R13: 00007ffe88de524f R14: 00007f6a767089c0 R15: 000000000072c18c [ 1730.845389] [19132] 0 19132 17618 12677 31 3 0 1000 syz-executor5 [ 1730.854900] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1730.861821] Call Trace: [ 1730.864410] dump_stack+0xb9/0x11b [ 1730.867977] warn_alloc.cold.35+0x9d/0x1b7 [ 1730.872229] ? zone_watermark_ok_safe+0x240/0x240 [ 1730.877067] ? usleep_range+0x130/0x130 [ 1730.881081] __alloc_pages_nodemask+0x1425/0x2280 [ 1730.885977] ? finish_task_switch+0x1e6/0x610 [ 1730.890476] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1730.895316] ? __lock_acquire+0x619/0x4320 [ 1730.899542] ? finish_task_switch+0x1bd/0x610 [ 1730.904056] ? __lock_acquire+0x619/0x4320 [ 1730.908284] ? _raw_spin_unlock_irq+0x35/0x50 [ 1730.912787] ? finish_task_switch+0x1e6/0x610 [ 1730.917310] ? new_slab+0x358/0x470 [ 1730.920941] new_slab+0x3c0/0x470 [ 1730.924404] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1730.929447] ? getname_flags+0xc4/0x540 [ 1730.933440] ? fs_reclaim_acquire+0x10/0x10 [ 1730.937797] ? check_preemption_disabled+0x34/0x1e0 [ 1730.942812] ? getname_flags+0xc4/0x540 [ 1730.946792] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1730.952263] ? getname_flags+0xc4/0x540 [ 1730.956234] kmem_cache_alloc+0x19e/0x2b0 [ 1730.960382] getname_flags+0xc4/0x540 [ 1730.964190] do_sys_open+0x1ea/0x580 [ 1730.967906] ? filp_open+0x60/0x60 [ 1730.971455] ? SyS_nanosleep+0x138/0x190 [ 1730.975513] ? hrtimer_nanosleep+0x470/0x470 [ 1730.979922] ? do_syscall_64+0x43/0x4b0 [ 1730.983891] ? do_sys_open+0x580/0x580 [ 1730.987777] do_syscall_64+0x19b/0x4b0 [ 1730.991675] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1730.996856] RIP: 0033:0x455680 [ 1731.000037] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1731.007740] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1731.015002] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1731.022265] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1731.029526] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1731.036789] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1731.045361] CPU: 1 PID: 1842 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1731.052292] Call Trace: [ 1731.054893] dump_stack+0xb9/0x11b [ 1731.058461] warn_alloc.cold.35+0x9d/0x1b7 [ 1731.062698] ? zone_watermark_ok_safe+0x240/0x240 [ 1731.067537] ? usleep_range+0x130/0x130 [ 1731.071559] __alloc_pages_nodemask+0x1425/0x2280 [ 1731.076420] ? finish_task_switch+0x1e6/0x610 [ 1731.080928] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1731.085784] ? __lock_acquire+0x619/0x4320 [ 1731.090010] ? finish_task_switch+0x1bd/0x610 [ 1731.094505] ? __lock_acquire+0x619/0x4320 [ 1731.098734] ? _raw_spin_unlock_irq+0x35/0x50 [ 1731.103228] ? finish_task_switch+0x1e6/0x610 [ 1731.107752] ? new_slab+0x358/0x470 [ 1731.111384] new_slab+0x3c0/0x470 [ 1731.114863] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1731.119904] ? getname_flags+0xc4/0x540 [ 1731.123889] ? fs_reclaim_acquire+0x10/0x10 [ 1731.128216] ? check_preemption_disabled+0x34/0x1e0 [ 1731.133243] ? getname_flags+0xc4/0x540 [ 1731.137218] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1731.142674] ? getname_flags+0xc4/0x540 [ 1731.146645] kmem_cache_alloc+0x19e/0x2b0 [ 1731.150810] getname_flags+0xc4/0x540 [ 1731.154617] do_sys_open+0x1ea/0x580 [ 1731.158329] ? filp_open+0x60/0x60 [ 1731.161875] ? SyS_nanosleep+0x138/0x190 [ 1731.165930] ? hrtimer_nanosleep+0x470/0x470 [ 1731.170369] ? do_syscall_64+0x43/0x4b0 [ 1731.174338] ? do_sys_open+0x580/0x580 [ 1731.178229] do_syscall_64+0x19b/0x4b0 [ 1731.182123] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1731.187302] RIP: 0033:0x455680 [ 1731.190491] RSP: 002b:00007fffed769380 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1731.198198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1731.205464] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1731.212727] RBP: 0000000000000b38 R08: 0000000000000001 R09: 00000000015ef940 [ 1731.219992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001e [ 1731.227250] R13: 000000000018ad11 R14: 000000000000029b R15: 0000000000000000 [ 1731.249715] 315641 pages reserved [ 1731.363358] 0 0 0 [ 1731.365613] DMA32: 113*4kB (UMH) 66*8kB (UMH) 773*16kB (UEH) 63*32kB (UEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15620kB [ 1731.384298] kworker/u4:9: page allocation stalls for 113130ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1731.397793] [19167] 0 19167 17618 12677 31 3 0 1000 syz-executor5 [ 1731.440245] 10535 total pagecache pages [ 1731.444235] 0 pages in swap cache [ 1731.447691] Swap cache stats: add 0, delete 0, find 0/0 [ 1731.542304] [19219] 0 19219 17618 12677 31 3 0 1000 syz-executor5 [ 1731.576481] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1731.583339] Call Trace: [ 1731.585931] dump_stack+0xb9/0x11b [ 1731.589475] warn_alloc.cold.35+0x9d/0x1b7 [ 1731.593710] ? zone_watermark_ok_safe+0x240/0x240 [ 1731.598552] ? usleep_range+0x130/0x130 [ 1731.602566] __alloc_pages_nodemask+0x1425/0x2280 [ 1731.607441] ? perf_trace_lock+0x11a/0x4c0 [ 1731.611678] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1731.616518] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1731.621464] ? __lock_acquire+0x619/0x4320 [ 1731.625726] ? perf_trace_lock+0x11a/0x4c0 [ 1731.629960] ? new_slab+0x358/0x470 [ 1731.633593] new_slab+0x3c0/0x470 [ 1731.637057] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1731.642092] ? debug_object_deactivate+0x340/0x340 [ 1731.647037] ? getname_kernel+0x4e/0x340 [ 1731.651110] ? fs_reclaim_acquire+0x10/0x10 [ 1731.655468] ? check_preemption_disabled+0x34/0x1e0 [ 1731.660480] ? getname_kernel+0x4e/0x340 [ 1731.664537] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1731.669994] ? getname_kernel+0x4e/0x340 [ 1731.674065] kmem_cache_alloc+0x19e/0x2b0 [ 1731.678235] getname_kernel+0x4e/0x340 [ 1731.682125] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1731.687483] ? umh_complete+0x80/0x80 [ 1731.691286] ret_from_fork+0x3a/0x50 [ 1731.746322] Normal: 112*4kB (MH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1992kB [ 1731.770064] Free swap = 0kB [ 1731.773086] Total swap = 0kB [ 1731.776106] 1965979 pages RAM [ 1731.779213] 0 pages HighMem/MovableOnly [ 1731.830107] [19369] 0 19369 17585 8201 25 3 0 1000 syz-executor5 [ 1731.839587] [19438] 0 19438 17651 8204 26 3 0 1000 syz-executor0 [ 1731.966336] 10535 total pagecache pages [ 1731.985718] 315641 pages reserved [ 1732.028829] 0 pages in swap cache [ 1732.084023] Swap cache stats: add 0, delete 0, find 0/0 [ 1732.089401] Free swap = 0kB [ 1732.093753] warn_alloc_show_mem: 2 callbacks suppressed [ 1732.093757] Mem-Info: [ 1732.120100] syz-executor2: page allocation stalls for 113850ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1732.144012] [19444] 0 19444 17684 8208 26 3 0 1000 syz-executor0 [ 1732.166657] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1732.166657] active_file:58 inactive_file:83 isolated_file:0 [ 1732.166657] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1732.166657] slab_reclaimable:6528 slab_unreclaimable:70975 [ 1732.166657] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1732.166657] free:4403 free_pcp:0 free_cma:0 [ 1732.266278] Total swap = 0kB [ 1732.269338] 1965979 pages RAM [ 1732.278281] modprobe: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1732.287496] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1732.293978] Call Trace: [ 1732.296556] [ 1732.298707] dump_stack+0xb9/0x11b [ 1732.302266] warn_alloc.cold.35+0x9d/0x1b7 [ 1732.306524] ? zone_watermark_ok_safe+0x240/0x240 [ 1732.311414] __alloc_pages_nodemask+0x19f4/0x2280 [ 1732.316275] ? check_preemption_disabled+0x34/0x1e0 [ 1732.321298] ? perf_trace_lock+0x11a/0x4c0 [ 1732.325645] ? check_preemption_disabled+0x34/0x1e0 [ 1732.330661] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1732.335503] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1732.340447] ? HARDIRQ_verbose+0x10/0x10 [ 1732.344501] ? __lock_acquire+0x619/0x4320 [ 1732.348728] ? __lock_acquire+0x619/0x4320 [ 1732.352996] ? update_group_capacity+0x65a/0xb50 [ 1732.357774] ? mark_held_locks+0xc2/0x130 [ 1732.361933] new_slab+0x3c0/0x470 [ 1732.365404] ? _find_next_bit+0xdc/0x110 [ 1732.369479] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1732.374496] ? __build_skb+0x30/0x2c0 [ 1732.378310] ? check_preemption_disabled+0x34/0x1e0 [ 1732.383344] ? perf_trace_lock+0x11a/0x4c0 [ 1732.387576] ? check_preemption_disabled+0x34/0x1e0 [ 1732.392617] ? check_preemption_disabled+0x34/0x1e0 [ 1732.397631] ? __build_skb+0x30/0x2c0 [ 1732.401441] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1732.406891] ? __build_skb+0x30/0x2c0 [ 1732.410688] kmem_cache_alloc+0x19e/0x2b0 [ 1732.414837] __build_skb+0x30/0x2c0 [ 1732.418481] __napi_alloc_skb+0x1ca/0x300 [ 1732.422631] page_to_skb.isra.18+0xa3/0x690 [ 1732.426959] receive_buf+0x1721/0x42c0 [ 1732.430861] ? virtnet_xdp_xmit.isra.20+0x710/0x710 [ 1732.435871] ? perf_trace_lock+0x11a/0x4c0 [ 1732.440111] ? load_balance+0x42c/0x2940 [ 1732.444170] ? vring_unmap_one+0x15/0x3d0 [ 1732.448318] ? detach_buf+0x422/0x580 [ 1732.452134] ? virtqueue_get_buf_ctx+0x3e9/0x6b0 [ 1732.456916] virtnet_poll+0x2af/0x910 [ 1732.460740] ? virtnet_restore+0x8d0/0x8d0 [ 1732.464977] ? check_preemption_disabled+0x34/0x1e0 [ 1732.470000] ? mark_held_locks+0xc2/0x130 [ 1732.474152] ? net_rx_action+0x21a/0xce0 [ 1732.478214] net_rx_action+0x371/0xce0 [ 1732.482128] ? napi_complete_done+0x3a0/0x3a0 [ 1732.486652] __do_softirq+0x20d/0x9bd [ 1732.490467] ? check_preemption_disabled+0x34/0x1e0 [ 1732.495491] irq_exit+0x117/0x150 [ 1732.498941] do_IRQ+0x101/0x1b0 [ 1732.502231] common_interrupt+0x84/0x84 [ 1732.506197] [ 1732.508437] RIP: 0010:lock_release+0x3d0/0x720 [ 1732.513023] RSP: 0000:ffff8880272ef310 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff4e [ 1732.520743] RAX: 0000000000000007 RBX: 1ffff11004e5de65 RCX: 1ffff1103a8463f4 [ 1732.528039] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000246 [ 1732.535319] RBP: ffff8881d4231780 R08: 0000000000000001 R09: 0000000000000000 [ 1732.542600] R10: ffff8881d4231fd8 R11: 0000000000000001 R12: 0000000000000001 [ 1732.549863] R13: ffff8881d4231fa8 R14: b3db62fefa62f140 R15: ffff8881d4231780 [ 1732.557163] ? list_lru_count_one+0x12d/0x1d0 [ 1732.561658] ? lock_downgrade+0x560/0x560 [ 1732.565804] ? lock_acquire+0x10f/0x380 [ 1732.569770] ? list_lru_count_one+0x7f/0x1d0 [ 1732.574193] _raw_spin_unlock+0x17/0x40 [ 1732.578165] list_lru_count_one+0x12d/0x1d0 [ 1732.582482] super_cache_count+0x18a/0x2a0 [ 1732.586729] ? ext4_es_count+0x9d/0x350 [ 1732.590709] shrink_slab.part.8+0x25c/0xa30 [ 1732.595066] ? unregister_shrinker+0x210/0x210 [ 1732.599657] ? mem_cgroup_iter+0x52b/0xcb0 [ 1732.603916] shrink_node+0x8c8/0xbf0 [ 1732.607658] ? shrink_node_memcg+0x12e0/0x12e0 [ 1732.612256] ? trace_hardirqs_on_caller+0x381/0x520 [ 1732.617290] ? queue_work_on+0x5a/0xa0 [ 1732.621194] ? vmpressure+0x20f/0x2e0 [ 1732.625022] do_try_to_free_pages+0x349/0xde0 [ 1732.629546] ? shrink_node+0xbf0/0xbf0 [ 1732.633457] try_to_free_pages+0x204/0x6b0 [ 1732.637695] ? get_page_from_freelist+0x894/0x1ea0 [ 1732.642620] ? do_try_to_free_pages+0xde0/0xde0 [ 1732.647315] __alloc_pages_nodemask+0xaf2/0x2280 [ 1732.652093] ? get_page_from_freelist+0x756/0x1ea0 [ 1732.657023] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1732.661877] ? __lock_acquire+0x619/0x4320 [ 1732.666127] ? check_preemption_disabled+0x34/0x1e0 [ 1732.671161] ? new_slab+0x358/0x470 [ 1732.674790] new_slab+0x3c0/0x470 [ 1732.678495] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1732.683527] ? getname_flags+0xc4/0x540 [ 1732.687511] ? fs_reclaim_acquire+0x10/0x10 [ 1732.691838] ? check_preemption_disabled+0x34/0x1e0 [ 1732.696866] ? getname_flags+0xc4/0x540 [ 1732.700868] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1732.706316] ? getname_flags+0xc4/0x540 [ 1732.710303] kmem_cache_alloc+0x19e/0x2b0 [ 1732.714482] getname_flags+0xc4/0x540 [ 1732.718303] user_path_at_empty+0x28/0x80 [ 1732.722455] vfs_statx+0xe1/0x180 [ 1732.725908] ? vfs_statx_fd+0x90/0x90 [ 1732.729725] SyS_newstat+0x81/0xf0 [ 1732.733264] ? SyS_fstat+0xe0/0xe0 [ 1732.736809] ? up_read+0x17/0x30 [ 1732.740166] ? __do_page_fault+0x64c/0xb60 [ 1732.744440] ? do_syscall_64+0x43/0x4b0 [ 1732.748453] ? SyS_fstat+0xe0/0xe0 [ 1732.751984] do_syscall_64+0x19b/0x4b0 [ 1732.755893] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1732.761093] RIP: 0033:0x7f5cb3133c65 [ 1732.764798] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1732.772497] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1732.779775] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1732.787055] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1732.794345] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1732.801635] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1732.809456] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1732.817071] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1732.826851] node 0: slabs: 2266, objs: 27192, free: 0 [ 1732.879967] [19475] 0 19475 17651 8237 25 4 0 0 syz-executor4 [ 1732.896493] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1732.903441] Call Trace: [ 1732.906042] dump_stack+0xb9/0x11b [ 1732.909583] warn_alloc.cold.35+0x9d/0x1b7 [ 1732.913816] ? zone_watermark_ok_safe+0x240/0x240 [ 1732.918657] ? usleep_range+0x130/0x130 [ 1732.922669] __alloc_pages_nodemask+0x1425/0x2280 [ 1732.927535] ? debug_check_no_obj_freed+0x150/0x77c [ 1732.932551] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1732.937390] ? __lock_acquire+0x619/0x4320 [ 1732.941626] ? __lock_acquire+0x619/0x4320 [ 1732.945890] ? lock_acquire+0x10f/0x380 [ 1732.949863] ? avc_has_perm+0x9e/0x390 [ 1732.953807] ? new_slab+0x358/0x470 [ 1732.957446] new_slab+0x3c0/0x470 [ 1732.960912] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1732.965929] ? __might_fault+0x104/0x1b0 [ 1732.969983] ? getname_flags+0xc4/0x540 [ 1732.973982] ? fs_reclaim_acquire+0x10/0x10 [ 1732.978306] ? check_preemption_disabled+0x34/0x1e0 [ 1732.983321] ? getname_flags+0xc4/0x540 [ 1732.987294] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1732.992741] ? getname_flags+0xc4/0x540 [ 1732.996708] kmem_cache_alloc+0x19e/0x2b0 [ 1733.000854] getname_flags+0xc4/0x540 [ 1733.004649] ? SyS_unlinkat+0x70/0x70 [ 1733.008458] do_unlinkat+0xc9/0x650 [ 1733.012102] ? do_rmdir+0x3a0/0x3a0 [ 1733.015737] ? SyS_newlstat+0x92/0xf0 [ 1733.019532] ? SyS_newstat+0xf0/0xf0 [ 1733.023270] ? do_syscall_64+0x43/0x4b0 [ 1733.027247] ? SyS_unlinkat+0x70/0x70 [ 1733.031045] do_syscall_64+0x19b/0x4b0 [ 1733.034956] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1733.040138] RIP: 0033:0x4573c7 [ 1733.043315] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1733.051015] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1733.058275] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1733.065558] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1733.072834] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1733.080141] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1733.109751] 0 pages HighMem/MovableOnly [ 1733.144258] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1733.186981] 315641 pages reserved [ 1733.225869] [19489] 0 19489 17618 12677 31 3 0 1000 syz-executor5 [ 1733.293857] kthreadd: page allocation stalls for 115100ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1733.310093] DMA32 free:15652kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1733.404565] [19649] 0 19649 17618 12677 31 3 0 1000 syz-executor5 [ 1733.426952] warn_alloc_show_mem: 1 callbacks suppressed [ 1733.426956] Mem-Info: [ 1733.459299] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1733.468945] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1733.475946] Call Trace: [ 1733.478535] dump_stack+0xb9/0x11b [ 1733.482085] warn_alloc.cold.35+0x9d/0x1b7 [ 1733.486321] ? zone_watermark_ok_safe+0x240/0x240 [ 1733.491178] ? __lock_acquire+0x619/0x4320 [ 1733.495443] __alloc_pages_nodemask+0x19f4/0x2280 [ 1733.500340] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1733.505186] ? perf_trace_lock+0x11a/0x4c0 [ 1733.509414] ? trace_hardirqs_on+0x10/0x10 [ 1733.513684] ? HARDIRQ_verbose+0x10/0x10 [ 1733.517754] ? check_preemption_disabled+0x34/0x1e0 [ 1733.522780] new_slab+0x3c0/0x470 [ 1733.526261] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1733.531275] ? __sigqueue_alloc+0x1d9/0x400 [ 1733.535602] ? check_preemption_disabled+0x34/0x1e0 [ 1733.540631] ? check_preemption_disabled+0x34/0x1e0 [ 1733.545661] ? __sigqueue_alloc+0x1d9/0x400 [ 1733.549981] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1733.555438] ? __sigqueue_alloc+0x1d9/0x400 [ 1733.559758] kmem_cache_alloc+0x19e/0x2b0 [ 1733.563929] __sigqueue_alloc+0x1d9/0x400 [ 1733.568082] __send_signal+0x1b0/0x1200 [ 1733.572069] force_sig_info+0x241/0x340 [ 1733.576056] force_sig_info_fault.constprop.7+0x129/0x210 [ 1733.581592] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1733.586712] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1733.591648] ? bad_area_access_error+0x1de/0x330 [ 1733.596412] __bad_area_nosemaphore+0x192/0x280 [ 1733.601124] bad_area_access_error+0x1ff/0x330 [ 1733.605717] ? mm_fault_error+0x2b0/0x2b0 [ 1733.609875] ? vmacache_find+0x50/0x250 [ 1733.613862] __do_page_fault+0x6d0/0xb60 [ 1733.617946] ? retint_user+0x18/0x18 [ 1733.621656] ? bad_area_access_error+0x330/0x330 [ 1733.626448] ? page_fault+0x2c/0x50 [ 1733.630081] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1733.634942] ? page_fault+0x2c/0x50 [ 1733.638566] page_fault+0x42/0x50 [ 1733.642059] RIP: 4c59bd:0x4da048 [ 1733.645414] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1733.645471] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1733.658798] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1733.667801] node 0: slabs: 32547, objs: 585846, free: 0 [ 1733.682006] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1733.682006] active_file:58 inactive_file:83 isolated_file:0 [ 1733.682006] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1733.682006] slab_reclaimable:6528 slab_unreclaimable:70025 [ 1733.682006] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1733.682006] free:5011 free_pcp:347 free_cma:0 [ 1733.764093] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1733.770333] Call Trace: [ 1733.772926] dump_stack+0xb9/0x11b [ 1733.776471] warn_alloc.cold.35+0x9d/0x1b7 [ 1733.780702] ? zone_watermark_ok_safe+0x240/0x240 [ 1733.785583] __alloc_pages_nodemask+0x1425/0x2280 [ 1733.790470] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1733.795400] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1733.800257] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1733.805450] ? copy_process.part.6+0x1435/0x6530 [ 1733.810245] ? rcu_read_lock_sched_held+0x102/0x120 [ 1733.815265] copy_process.part.6+0x267/0x6530 [ 1733.819779] ? __lock_acquire+0x619/0x4320 [ 1733.824015] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1733.829133] ? kthread_create_on_node+0xe0/0xe0 [ 1733.833817] ? __cleanup_sighand+0x40/0x40 [ 1733.838083] ? perf_trace_lock+0x11a/0x4c0 [ 1733.842310] ? check_preemption_disabled+0x34/0x1e0 [ 1733.847345] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1733.852279] _do_fork+0x1c2/0xd50 [ 1733.855734] ? kthread_create_on_node+0xe0/0xe0 [ 1733.860400] ? fork_idle+0x250/0x250 [ 1733.864118] ? kthreadd+0x28a/0x3d0 [ 1733.867741] ? lock_downgrade+0x560/0x560 [ 1733.871892] ? lock_acquire+0x10f/0x380 [ 1733.875870] ? kthreadd+0x1c4/0x3d0 [ 1733.879524] ? kthread_create_on_node+0xe0/0xe0 [ 1733.884181] kernel_thread+0x2f/0x40 [ 1733.887890] kthreadd+0x29e/0x3d0 [ 1733.891337] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1733.896084] ? finish_task_switch+0x1e6/0x610 [ 1733.900576] ? __switch_to_asm+0x34/0x70 [ 1733.904630] ? __switch_to_asm+0x40/0x70 [ 1733.908679] ? __switch_to_asm+0x34/0x70 [ 1733.912732] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1733.917501] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1733.922259] ret_from_fork+0x3a/0x50 [ 1733.927320] lowmem_reserve[]: 0 3505 3505 [ 1733.955854] Normal free:3292kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:716kB local_pcp:716kB free_cma:0kB [ 1733.993480] [19676] 0 19676 17651 8243 27 4 0 1000 syz-executor2 [ 1734.107890] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1734.153505] [19705] 0 19705 17618 12677 31 3 0 1000 syz-executor5 [ 1734.187189] lowmem_reserve[]: 0 0 0 [ 1734.215092] DMA32: 138*4kB (UMH) 191*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16768kB [ 1734.285854] DMA32 free:16768kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:668kB local_pcp:668kB free_cma:0kB [ 1734.338447] Normal: 251*4kB (UMH) 22*8kB (UMH) 128*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3356kB [ 1734.354564] [19751] 0 19751 17618 12677 31 3 0 1000 syz-executor5 [ 1734.427439] 10535 total pagecache pages [ 1734.454483] 0 pages in swap cache [ 1734.457936] Swap cache stats: add 0, delete 0, find 0/0 [ 1734.499145] [19825] 0 19825 17618 12677 31 3 0 1000 syz-executor5 [ 1734.525004] Free swap = 0kB [ 1734.528024] Total swap = 0kB [ 1734.534232] lowmem_reserve[]: 0 3505 3505 [ 1734.538415] Normal free:3356kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:716kB local_pcp:716kB free_cma:0kB [ 1734.597675] 1965979 pages RAM [ 1734.600911] 0 pages HighMem/MovableOnly [ 1734.604876] 315641 pages reserved [ 1734.695171] warn_alloc_show_mem: 2 callbacks suppressed [ 1734.695175] Mem-Info: [ 1734.711720] [19886] 0 19886 17618 12677 31 3 0 1000 syz-executor5 [ 1734.804332] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1734.804332] active_file:58 inactive_file:83 isolated_file:0 [ 1734.804332] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1734.804332] slab_reclaimable:6528 slab_unreclaimable:70009 [ 1734.804332] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1734.804332] free:5031 free_pcp:346 free_cma:0 [ 1734.840775] lowmem_reserve[]: 0 0 0 [ 1734.844437] DMA32: 138*4kB (UMH) 191*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16768kB [ 1734.919094] [19944] 0 19944 17618 12677 31 3 0 1000 syz-executor5 [ 1734.978055] Normal: 251*4kB (UMH) 22*8kB (UMH) 128*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3356kB [ 1735.072151] 10535 total pagecache pages [ 1735.076138] 0 pages in swap cache [ 1735.079577] Swap cache stats: add 0, delete 0, find 0/0 [ 1735.117443] [20017] 0 20017 17618 12677 31 3 0 1000 syz-executor5 [ 1735.194240] Free swap = 0kB [ 1735.197271] Total swap = 0kB [ 1735.239219] 1965979 pages RAM [ 1735.242405] 0 pages HighMem/MovableOnly [ 1735.246379] 315641 pages reserved [ 1735.304117] [20065] 0 20065 17618 12677 31 3 0 1000 syz-executor5 [ 1735.505995] [20096] 0 20096 17618 12677 32 3 0 1000 syz-executor2 [ 1735.550267] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1735.758769] [20103] 0 20103 17618 12677 31 3 0 1000 syz-executor5 [ 1735.839893] warn_alloc_show_mem: 4 callbacks suppressed [ 1735.839897] Mem-Info: [ 1735.970520] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1735.970520] active_file:58 inactive_file:83 isolated_file:0 [ 1735.970520] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1735.970520] slab_reclaimable:6528 slab_unreclaimable:70009 [ 1735.970520] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1735.970520] free:5031 free_pcp:346 free_cma:0 [ 1736.029034] [20125] 0 20125 17750 8240 26 4 0 1000 syz-executor0 [ 1736.166974] DMA32 free:16768kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:668kB local_pcp:668kB free_cma:0kB [ 1736.288045] [20182] 0 20182 17618 12677 31 3 0 1000 syz-executor5 [ 1736.549183] [20190] 0 20190 17651 8235 26 4 0 1000 syz-executor0 [ 1736.570856] [20262] 0 20262 17618 12677 31 3 0 1000 syz-executor5 [ 1736.580365] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1736.612212] lowmem_reserve[]: 0 3505 3505 [ 1736.616413] Normal free:4056kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1736.654806] [20304] 0 20304 17651 8240 26 4 0 0 syz-executor4 [ 1736.752348] cron: page allocation stalls for 80270ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1736.879634] [20314] 0 20314 17651 8236 26 4 0 1000 syz-executor2 [ 1737.093243] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1737.099415] Call Trace: [ 1737.102009] dump_stack+0xb9/0x11b [ 1737.105552] warn_alloc.cold.35+0x9d/0x1b7 [ 1737.109782] ? zone_watermark_ok_safe+0x240/0x240 [ 1737.114620] ? usleep_range+0x130/0x130 [ 1737.118595] ? do_try_to_free_pages+0xde0/0xde0 [ 1737.123289] __alloc_pages_nodemask+0x1425/0x2280 [ 1737.128162] ? check_preemption_disabled+0x34/0x1e0 [ 1737.133178] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1737.138031] ? find_get_entry+0x118/0x550 [ 1737.142179] ? check_preemption_disabled+0x34/0x1e0 [ 1737.147189] ? check_preemption_disabled+0x34/0x1e0 [ 1737.152207] ? find_get_entry+0x13f/0x550 [ 1737.156369] ? pagecache_get_page+0x129/0x770 [ 1737.160869] filemap_fault+0xcdd/0x14a0 [ 1737.164862] ext4_filemap_fault+0x7d/0xb0 [ 1737.169003] __do_fault+0x80/0x210 [ 1737.172558] __handle_mm_fault+0x991/0x25f0 [ 1737.176885] ? vm_insert_page+0x6d0/0x6d0 [ 1737.181026] ? HARDIRQ_verbose+0x10/0x10 [ 1737.185091] ? HARDIRQ_verbose+0x10/0x10 [ 1737.189148] ? free_object+0xe4/0x240 [ 1737.193002] ? check_preemption_disabled+0x34/0x1e0 [ 1737.198037] handle_mm_fault+0x2f2/0x6eb [ 1737.202100] __do_page_fault+0x45d/0xb60 [ 1737.206163] ? retint_user+0x18/0x18 [ 1737.209870] ? bad_area_access_error+0x330/0x330 [ 1737.214618] ? page_fault+0x2c/0x50 [ 1737.218240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1737.223083] ? page_fault+0x2c/0x50 [ 1737.226710] page_fault+0x42/0x50 [ 1737.230167] RIP: 60882280: (null) [ 1737.234390] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1737.271937] DMA32 free:17436kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1737.331739] [20341] 0 20341 17618 12677 31 3 0 1000 syz-executor5 [ 1737.522695] warn_alloc_show_mem: 5 callbacks suppressed [ 1737.522699] Mem-Info: [ 1737.614889] [20364] 0 20364 17684 8238 26 4 0 1000 syz-executor2 [ 1737.687769] lowmem_reserve[]: 0 0 0 [ 1737.768581] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1737.768581] active_file:58 inactive_file:83 isolated_file:0 [ 1737.768581] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1737.768581] slab_reclaimable:6528 slab_unreclaimable:70010 [ 1737.768581] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1737.768581] free:5376 free_pcp:0 free_cma:0 [ 1737.826536] DMA32: 137*4kB (UMH) 275*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17436kB [ 1737.955827] [20390] 0 20390 17618 12677 31 3 0 1000 syz-executor5 [ 1738.239120] modprobe: page allocation stalls for 120070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1738.250512] [20470] 0 20470 17618 12677 31 3 0 1000 syz-executor5 [ 1738.259966] [20471] 0 20471 17651 8234 26 4 0 1000 syz-executor0 [ 1738.273115] init: page allocation stalls for 120120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1738.284041] Normal: 325*4kB (UMH) 58*8kB (UMH) 136*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4068kB [ 1738.308817] modprobe: page allocation stalls for 120050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1738.321986] kworker/u4:9: page allocation stalls for 120070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1738.335759] rs:main Q:Reg: page allocation stalls for 80090ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1738.351295] syz-executor0: page allocation stalls for 120090ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1738.364412] rsyslogd: page allocation stalls for 80010ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1738.376480] modprobe: page allocation stalls for 120120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1738.405800] syz-executor2: page allocation stalls for 120130ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1738.469704] lowmem_reserve[]: 0 3505 3505 [ 1738.488754] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1738.495682] Call Trace: [ 1738.498265] dump_stack+0xb9/0x11b [ 1738.501835] warn_alloc.cold.35+0x9d/0x1b7 [ 1738.506086] ? zone_watermark_ok_safe+0x240/0x240 [ 1738.510977] __alloc_pages_nodemask+0x1425/0x2280 [ 1738.515838] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1738.520804] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1738.525674] ? perf_trace_lock+0x11a/0x4c0 [ 1738.529902] ? check_preemption_disabled+0x34/0x1e0 [ 1738.534972] ? rcu_read_lock_sched_held+0x102/0x120 [ 1738.539991] copy_process.part.6+0x267/0x6530 [ 1738.544490] ? __handle_mm_fault+0xdab/0x25f0 [ 1738.548984] ? lock_downgrade+0x560/0x560 [ 1738.553134] ? check_preemption_disabled+0x34/0x1e0 [ 1738.558168] ? perf_trace_lock+0x11a/0x4c0 [ 1738.562412] ? __cleanup_sighand+0x40/0x40 [ 1738.566646] ? vm_insert_page+0x6d0/0x6d0 [ 1738.570782] ? HARDIRQ_verbose+0x10/0x10 [ 1738.574861] _do_fork+0x1c2/0xd50 [ 1738.578348] ? fork_idle+0x250/0x250 [ 1738.582088] ? up_read+0x17/0x30 [ 1738.585455] ? __do_page_fault+0x64c/0xb60 [ 1738.589705] ? do_syscall_64+0x43/0x4b0 [ 1738.593697] ? sys_vfork+0x20/0x20 [ 1738.597254] do_syscall_64+0x19b/0x4b0 [ 1738.601152] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1738.606333] RIP: 0033:0x45a049 [ 1738.609517] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1738.617244] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1738.624508] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1738.631770] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1738.639034] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1738.646299] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1738.716692] Normal free:4068kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1738.772712] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1738.778627] Call Trace: [ 1738.781209] dump_stack+0xb9/0x11b [ 1738.784754] warn_alloc.cold.35+0x9d/0x1b7 [ 1738.788985] ? zone_watermark_ok_safe+0x240/0x240 [ 1738.793820] ? usleep_range+0x130/0x130 [ 1738.797861] __alloc_pages_nodemask+0x1425/0x2280 [ 1738.802745] ? __kernel_text_address+0x9/0x30 [ 1738.807240] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1738.812550] ? __lock_acquire+0x619/0x4320 [ 1738.816815] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1738.821324] ? kmemdup+0x20/0x50 [ 1738.824682] ? selinux_cred_prepare+0x3e/0x90 [ 1738.829200] ? new_slab+0x358/0x470 [ 1738.832834] new_slab+0x3c0/0x470 [ 1738.836293] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1738.841321] ? getname_flags+0xc4/0x540 [ 1738.845314] ? fs_reclaim_acquire+0x10/0x10 [ 1738.849634] ? check_preemption_disabled+0x34/0x1e0 [ 1738.854676] ? getname_flags+0xc4/0x540 [ 1738.858673] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1738.864131] ? getname_flags+0xc4/0x540 [ 1738.868094] kmem_cache_alloc+0x19e/0x2b0 [ 1738.872263] getname_flags+0xc4/0x540 [ 1738.876099] user_path_at_empty+0x28/0x80 [ 1738.880266] SyS_faccessat+0x20d/0x660 [ 1738.884155] ? SyS_fallocate+0x80/0x80 [ 1738.888045] ? do_syscall_64+0x43/0x4b0 [ 1738.892034] ? SyS_faccessat+0x660/0x660 [ 1738.896091] do_syscall_64+0x19b/0x4b0 [ 1738.899984] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1738.905167] RIP: 0033:0x7f413a3c43c7 [ 1738.908869] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1738.916592] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1738.923853] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1738.931159] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1738.938456] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1738.945717] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1738.961844] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1738.968344] Call Trace: [ 1738.970928] dump_stack+0xb9/0x11b [ 1738.974476] warn_alloc.cold.35+0x9d/0x1b7 [ 1738.978711] ? zone_watermark_ok_safe+0x240/0x240 [ 1738.983553] ? usleep_range+0x130/0x130 [ 1738.987595] __alloc_pages_nodemask+0x1425/0x2280 [ 1738.992464] ? __kernel_text_address+0x9/0x30 [ 1738.996961] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1739.001813] ? __lock_acquire+0x619/0x4320 [ 1739.006053] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1739.010555] ? kmemdup+0x20/0x50 [ 1739.013916] ? selinux_cred_prepare+0x3e/0x90 [ 1739.018424] ? new_slab+0x358/0x470 [ 1739.022062] new_slab+0x3c0/0x470 [ 1739.025523] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1739.030538] ? getname_flags+0xc4/0x540 [ 1739.034518] ? fs_reclaim_acquire+0x10/0x10 [ 1739.038847] ? check_preemption_disabled+0x34/0x1e0 [ 1739.043859] ? getname_flags+0xc4/0x540 [ 1739.047829] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1739.053307] ? getname_flags+0xc4/0x540 [ 1739.057307] kmem_cache_alloc+0x19e/0x2b0 [ 1739.061465] getname_flags+0xc4/0x540 [ 1739.065292] user_path_at_empty+0x28/0x80 [ 1739.069452] SyS_faccessat+0x20d/0x660 [ 1739.073359] ? SyS_fallocate+0x80/0x80 [ 1739.077252] ? do_syscall_64+0x43/0x4b0 [ 1739.081225] ? SyS_faccessat+0x660/0x660 [ 1739.085292] do_syscall_64+0x19b/0x4b0 [ 1739.089184] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1739.094367] RIP: 0033:0x7fd4ad02d267 [ 1739.098070] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1739.105771] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1739.113062] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1739.120347] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1739.127634] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1739.134928] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1739.156007] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1739.162497] Call Trace: [ 1739.165074] dump_stack+0xb9/0x11b [ 1739.168615] warn_alloc.cold.35+0x9d/0x1b7 [ 1739.172844] ? zone_watermark_ok_safe+0x240/0x240 [ 1739.177698] ? usleep_range+0x130/0x130 [ 1739.181730] __alloc_pages_nodemask+0x1425/0x2280 [ 1739.186587] ? perf_trace_lock+0x11a/0x4c0 [ 1739.190817] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1739.195656] ? check_preemption_disabled+0x34/0x1e0 [ 1739.200674] ? __lock_acquire+0x619/0x4320 [ 1739.204958] ? new_slab+0x358/0x470 [ 1739.208633] new_slab+0x3c0/0x470 [ 1739.212104] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1739.217144] ? getname_flags+0xc4/0x540 [ 1739.221120] ? fs_reclaim_acquire+0x10/0x10 [ 1739.225452] ? check_preemption_disabled+0x34/0x1e0 [ 1739.230499] ? getname_flags+0xc4/0x540 [ 1739.234472] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1739.239922] ? getname_flags+0xc4/0x540 [ 1739.243895] kmem_cache_alloc+0x19e/0x2b0 [ 1739.248050] getname_flags+0xc4/0x540 [ 1739.251886] user_path_at_empty+0x28/0x80 [ 1739.256035] vfs_statx+0xe1/0x180 [ 1739.259489] ? vfs_statx_fd+0x90/0x90 [ 1739.263305] SyS_newstat+0x81/0xf0 [ 1739.266856] ? SyS_fstat+0xe0/0xe0 [ 1739.270405] ? up_read+0x17/0x30 [ 1739.273790] ? __do_page_fault+0x64c/0xb60 [ 1739.278027] ? do_syscall_64+0x43/0x4b0 [ 1739.282001] ? SyS_fstat+0xe0/0xe0 [ 1739.285534] do_syscall_64+0x19b/0x4b0 [ 1739.289440] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1739.294627] RIP: 0033:0x7f810d837c65 [ 1739.298327] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1739.306029] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1739.313292] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1739.320573] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1739.327849] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1739.335111] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1739.352764] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1739.359694] Call Trace: [ 1739.362276] dump_stack+0xb9/0x11b [ 1739.371468] warn_alloc.cold.35+0x9d/0x1b7 [ 1739.375699] ? zone_watermark_ok_safe+0x240/0x240 [ 1739.380537] ? usleep_range+0x130/0x130 [ 1739.384548] __alloc_pages_nodemask+0x1425/0x2280 [ 1739.389420] ? perf_trace_lock+0x11a/0x4c0 [ 1739.393659] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1739.398490] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1739.403429] ? __lock_acquire+0x619/0x4320 [ 1739.407695] ? perf_trace_lock+0x11a/0x4c0 [ 1739.411918] ? new_slab+0x358/0x470 [ 1739.415539] new_slab+0x3c0/0x470 [ 1739.418993] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1739.424000] ? debug_object_deactivate+0x340/0x340 [ 1739.428936] ? getname_kernel+0x4e/0x340 [ 1739.433029] ? fs_reclaim_acquire+0x10/0x10 [ 1739.437371] ? check_preemption_disabled+0x34/0x1e0 [ 1739.442382] ? getname_kernel+0x4e/0x340 [ 1739.446440] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1739.451917] ? getname_kernel+0x4e/0x340 [ 1739.455977] kmem_cache_alloc+0x19e/0x2b0 [ 1739.460151] getname_kernel+0x4e/0x340 [ 1739.464033] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1739.469385] ? umh_complete+0x80/0x80 [ 1739.473198] ret_from_fork+0x3a/0x50 [ 1739.480060] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1739.486559] Call Trace: [ 1739.489154] dump_stack+0xb9/0x11b [ 1739.492700] warn_alloc.cold.35+0x9d/0x1b7 [ 1739.496936] ? zone_watermark_ok_safe+0x240/0x240 [ 1739.501797] ? usleep_range+0x130/0x130 [ 1739.505811] __alloc_pages_nodemask+0x1425/0x2280 [ 1739.510679] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1739.515527] ? __lock_acquire+0x619/0x4320 [ 1739.519769] ? __lock_acquire+0x619/0x4320 [ 1739.524009] ? __lock_acquire+0x619/0x4320 [ 1739.528262] ? new_slab+0x358/0x470 [ 1739.531893] new_slab+0x3c0/0x470 [ 1739.535352] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1739.540363] ? getname_flags+0xc4/0x540 [ 1739.544341] ? fs_reclaim_acquire+0x10/0x10 [ 1739.548666] ? check_preemption_disabled+0x34/0x1e0 [ 1739.553684] ? getname_flags+0xc4/0x540 [ 1739.557653] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1739.563137] ? getname_flags+0xc4/0x540 [ 1739.567110] kmem_cache_alloc+0x19e/0x2b0 [ 1739.571259] getname_flags+0xc4/0x540 [ 1739.575069] user_path_at_empty+0x28/0x80 [ 1739.579220] vfs_statx+0xe1/0x180 [ 1739.582696] ? vfs_statx_fd+0x90/0x90 [ 1739.586491] ? __might_fault+0x104/0x1b0 [ 1739.590576] ? lock_downgrade+0x560/0x560 [ 1739.594718] ? lock_acquire+0x10f/0x380 [ 1739.598686] ? __might_fault+0xd4/0x1b0 [ 1739.602671] SyS_newfstatat+0x89/0x100 [ 1739.606558] ? SyS_newlstat+0xf0/0xf0 [ 1739.610353] ? __might_fault+0x177/0x1b0 [ 1739.614412] ? SyS_getdents+0x1d0/0x270 [ 1739.618407] ? SyS_old_readdir+0x150/0x150 [ 1739.622647] ? compat_fillonedir+0x260/0x260 [ 1739.627063] ? do_syscall_64+0x43/0x4b0 [ 1739.631035] ? SyS_newlstat+0xf0/0xf0 [ 1739.634831] do_syscall_64+0x19b/0x4b0 [ 1739.638747] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1739.643930] RIP: 0033:0x7f7afb061e1a [ 1739.647634] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1739.655357] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1739.662618] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1739.669880] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1739.677144] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1739.684405] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1739.705130] 10535 total pagecache pages [ 1739.709116] 0 pages in swap cache [ 1739.715242] CPU: 1 PID: 1628 Comm: rsyslogd Not tainted 4.14.87+ #21 [ 1739.721732] Call Trace: [ 1739.724319] dump_stack+0xb9/0x11b [ 1739.727865] warn_alloc.cold.35+0x9d/0x1b7 [ 1739.732113] ? zone_watermark_ok_safe+0x240/0x240 [ 1739.736971] ? usleep_range+0x130/0x130 [ 1739.740957] ? do_try_to_free_pages+0xde0/0xde0 [ 1739.745654] __alloc_pages_nodemask+0x1425/0x2280 [ 1739.750515] ? check_preemption_disabled+0x34/0x1e0 [ 1739.755532] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1739.760376] ? find_get_entry+0x118/0x550 [ 1739.764526] ? check_preemption_disabled+0x34/0x1e0 [ 1739.769540] ? check_preemption_disabled+0x34/0x1e0 [ 1739.774567] ? find_get_entry+0x13f/0x550 [ 1739.778722] ? pagecache_get_page+0x129/0x770 [ 1739.783218] filemap_fault+0xcdd/0x14a0 [ 1739.787215] ext4_filemap_fault+0x7d/0xb0 [ 1739.791358] __do_fault+0x80/0x210 [ 1739.794895] __handle_mm_fault+0x991/0x25f0 [ 1739.799213] ? vm_insert_page+0x6d0/0x6d0 [ 1739.803356] ? HARDIRQ_verbose+0x10/0x10 [ 1739.807408] ? HARDIRQ_verbose+0x10/0x10 [ 1739.811468] ? __fsnotify_parent+0xb1/0x300 [ 1739.815804] ? check_preemption_disabled+0x34/0x1e0 [ 1739.820842] handle_mm_fault+0x2f2/0x6eb [ 1739.824898] __do_page_fault+0x45d/0xb60 [ 1739.828958] ? retint_user+0x18/0x18 [ 1739.832684] ? bad_area_access_error+0x330/0x330 [ 1739.837444] ? page_fault+0x2c/0x50 [ 1739.841061] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1739.845900] ? page_fault+0x2c/0x50 [ 1739.849545] page_fault+0x42/0x50 [ 1739.853017] RIP: 95b5b5a3:0xdb [ 1739.856193] RSP: 94325d10:00007f1694325d00 EFLAGS: 00000001 [ 1739.857311] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1739.869916] Call Trace: [ 1739.872492] dump_stack+0xb9/0x11b [ 1739.876038] warn_alloc.cold.35+0x9d/0x1b7 [ 1739.880292] ? zone_watermark_ok_safe+0x240/0x240 [ 1739.885146] ? usleep_range+0x130/0x130 [ 1739.889132] ? do_try_to_free_pages+0xde0/0xde0 [ 1739.893861] __alloc_pages_nodemask+0x1425/0x2280 [ 1739.898716] ? check_preemption_disabled+0x34/0x1e0 [ 1739.903742] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1739.908579] ? find_get_entry+0x118/0x550 [ 1739.912737] ? check_preemption_disabled+0x34/0x1e0 [ 1739.917751] ? check_preemption_disabled+0x34/0x1e0 [ 1739.922785] ? find_get_entry+0x13f/0x550 [ 1739.926941] ? pagecache_get_page+0x129/0x770 [ 1739.931449] filemap_fault+0xcdd/0x14a0 [ 1739.935484] ext4_filemap_fault+0x7d/0xb0 [ 1739.939646] __do_fault+0x80/0x210 [ 1739.943181] __handle_mm_fault+0x991/0x25f0 [ 1739.947507] ? vm_insert_page+0x6d0/0x6d0 [ 1739.951649] ? HARDIRQ_verbose+0x10/0x10 [ 1739.955699] ? HARDIRQ_verbose+0x10/0x10 [ 1739.959811] ? check_preemption_disabled+0x34/0x1e0 [ 1739.964848] handle_mm_fault+0x2f2/0x6eb [ 1739.968904] __do_page_fault+0x45d/0xb60 [ 1739.972959] ? retint_user+0x18/0x18 [ 1739.976694] ? bad_area_access_error+0x330/0x330 [ 1739.981449] ? page_fault+0x2c/0x50 [ 1739.985065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1739.989906] ? page_fault+0x2c/0x50 [ 1739.993529] page_fault+0x42/0x50 [ 1739.996976] RIP: 0000:0x5 [ 1739.999735] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1740.016472] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1740.028973] Call Trace: [ 1740.031570] dump_stack+0xb9/0x11b [ 1740.035106] warn_alloc.cold.35+0x9d/0x1b7 [ 1740.039348] ? zone_watermark_ok_safe+0x240/0x240 [ 1740.044198] ? usleep_range+0x130/0x130 [ 1740.048220] __alloc_pages_nodemask+0x1425/0x2280 [ 1740.053081] ? debug_check_no_obj_freed+0x150/0x77c [ 1740.058092] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1740.062927] ? __lock_acquire+0x619/0x4320 [ 1740.067160] ? __lock_acquire+0x619/0x4320 [ 1740.071386] ? lock_acquire+0x10f/0x380 [ 1740.075351] ? avc_has_perm+0x9e/0x390 [ 1740.079273] ? new_slab+0x358/0x470 [ 1740.082896] new_slab+0x3c0/0x470 [ 1740.086352] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1740.091363] ? __might_fault+0x104/0x1b0 [ 1740.095413] ? getname_flags+0xc4/0x540 [ 1740.099397] ? fs_reclaim_acquire+0x10/0x10 [ 1740.103714] ? check_preemption_disabled+0x34/0x1e0 [ 1740.108735] ? getname_flags+0xc4/0x540 [ 1740.112730] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1740.118222] ? getname_flags+0xc4/0x540 [ 1740.122244] kmem_cache_alloc+0x19e/0x2b0 [ 1740.126421] getname_flags+0xc4/0x540 [ 1740.130232] ? SyS_unlinkat+0x70/0x70 [ 1740.134045] do_unlinkat+0xc9/0x650 [ 1740.137701] ? do_rmdir+0x3a0/0x3a0 [ 1740.141324] ? SyS_newlstat+0x92/0xf0 [ 1740.145120] ? SyS_newstat+0xf0/0xf0 [ 1740.148860] ? do_syscall_64+0x43/0x4b0 [ 1740.152824] ? SyS_unlinkat+0x70/0x70 [ 1740.156620] do_syscall_64+0x19b/0x4b0 [ 1740.160542] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1740.165734] RIP: 0033:0x4573c7 [ 1740.168918] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1740.176636] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1740.183896] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1740.191155] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1740.198428] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1740.205693] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1740.288820] [20490] 0 20490 17585 8200 25 3 0 1000 syz-executor2 [ 1740.309209] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1740.353771] Swap cache stats: add 0, delete 0, find 0/0 [ 1740.359142] Free swap = 0kB [ 1740.507824] [20515] 0 20515 17585 8201 25 3 0 1000 syz-executor5 [ 1740.519890] Total swap = 0kB [ 1740.587659] 1965979 pages RAM [ 1740.643635] 0 pages HighMem/MovableOnly [ 1740.647623] 315641 pages reserved [ 1740.706474] [20533] 0 20533 17618 8236 25 4 0 0 syz-executor4 [ 1740.720071] lowmem_reserve[]: 0 0 0 [ 1740.723746] DMA32: 137*4kB (UMH) 275*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17436kB [ 1740.820105] DMA32 free:17436kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1740.939391] [20611] 0 20611 17618 12677 31 3 0 1000 syz-executor5 [ 1741.098584] Normal: 294*4kB (UMH) 58*8kB (UMH) 136*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3944kB [ 1741.137827] [20663] 0 20663 17618 12677 31 3 0 1000 syz-executor5 [ 1741.327863] [20682] 0 20682 17618 8234 25 4 0 0 syz-executor4 [ 1741.373806] 10535 total pagecache pages [ 1741.377803] 0 pages in swap cache [ 1741.458952] lowmem_reserve[]: 0 3505 3505 [ 1741.480201] warn_alloc_show_mem: 1 callbacks suppressed [ 1741.480205] Mem-Info: [ 1741.487970] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1741.487970] active_file:58 inactive_file:83 isolated_file:0 [ 1741.487970] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1741.487970] slab_reclaimable:6528 slab_unreclaimable:70037 [ 1741.487970] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1741.487970] free:5314 free_pcp:22 free_cma:0 [ 1741.567512] Swap cache stats: add 0, delete 0, find 0/0 [ 1741.587194] [20743] 0 20743 17618 12677 31 3 0 1000 syz-executor5 [ 1741.599313] Normal free:3820kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:100kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:60kB local_pcp:60kB free_cma:0kB [ 1741.716910] Free swap = 0kB [ 1741.719968] Total swap = 0kB [ 1741.820178] [20795] 0 20795 17618 12677 31 3 0 1000 syz-executor5 [ 1741.829758] [20864] 0 20864 17618 12677 31 3 0 1000 syz-executor5 [ 1741.864713] 1965979 pages RAM [ 1741.867826] 0 pages HighMem/MovableOnly [ 1741.926515] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1742.037820] 315641 pages reserved [ 1742.144265] DMA32 free:17436kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1742.208811] warn_alloc: 16 callbacks suppressed [ 1742.208815] syz-executor3: [ 1742.272476] [20906] 0 20906 17618 12677 31 3 0 1000 syz-executor5 [ 1742.305514] lowmem_reserve[]: 0 0 0 [ 1742.309205] DMA32: 137*4kB (UMH) 275*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17436kB [ 1742.343953] page allocation stalls for 123940ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1742.455121] lowmem_reserve[]: 0 3505 3505 [ 1742.459318] Normal free:3572kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB [ 1742.590100] [20956] 0 20956 17618 8234 26 4 0 1000 syz-executor2 [ 1742.599577] [20963] 0 20963 17618 12677 31 3 0 1000 syz-executor5 [ 1742.611523] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1742.618458] Call Trace: [ 1742.621047] dump_stack+0xb9/0x11b [ 1742.624595] warn_alloc.cold.35+0x9d/0x1b7 [ 1742.628848] ? zone_watermark_ok_safe+0x240/0x240 [ 1742.633688] ? usleep_range+0x130/0x130 [ 1742.637707] __alloc_pages_nodemask+0x1425/0x2280 [ 1742.642577] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1742.647452] ? __lock_acquire+0x619/0x4320 [ 1742.651701] ? kasan_slab_free+0xac/0x190 [ 1742.655846] ? kmem_cache_free+0x12d/0x350 [ 1742.660080] ? putname+0xcf/0x100 [ 1742.663526] ? do_rmdir+0x161/0x3a0 [ 1742.667240] ? do_syscall_64+0x19b/0x4b0 [ 1742.671328] ? new_slab+0x358/0x470 [ 1742.674955] new_slab+0x3c0/0x470 [ 1742.678561] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1742.683586] ? getname_flags+0xc4/0x540 [ 1742.687569] ? fs_reclaim_acquire+0x10/0x10 [ 1742.691899] ? check_preemption_disabled+0x34/0x1e0 [ 1742.696911] ? getname_flags+0xc4/0x540 [ 1742.700896] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1742.706345] ? getname_flags+0xc4/0x540 [ 1742.710310] kmem_cache_alloc+0x19e/0x2b0 [ 1742.714469] getname_flags+0xc4/0x540 [ 1742.718263] ? task_work_run+0x6a/0x190 [ 1742.722247] SyS_mkdirat+0x8d/0x220 [ 1742.725919] ? trace_hardirqs_on_caller+0x381/0x520 [ 1742.730929] ? SyS_mknod+0x30/0x30 [ 1742.734472] ? do_syscall_64+0x43/0x4b0 [ 1742.738465] ? SyS_mkdirat+0x220/0x220 [ 1742.742347] do_syscall_64+0x19b/0x4b0 [ 1742.746282] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1742.751464] RIP: 0033:0x456a97 [ 1742.754645] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1742.762350] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1742.769644] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1742.776900] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1742.784155] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1742.791410] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1742.911762] Normal: 170*4kB (UMH) 58*8kB (UMH) 136*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3448kB [ 1742.975701] lowmem_reserve[]: 0 0 0 [ 1742.979369] DMA32: 137*4kB (UMH) 275*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17436kB [ 1743.146990] Normal: 139*4kB (UMH) 58*8kB (UMH) 136*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3324kB [ 1743.212022] 10535 total pagecache pages [ 1743.216001] 0 pages in swap cache [ 1743.219445] Swap cache stats: add 0, delete 0, find 0/0 [ 1743.229172] warn_alloc_show_mem: 1 callbacks suppressed [ 1743.229175] Mem-Info: [ 1743.239421] [21053] 0 21053 17618 12677 31 3 0 1000 syz-executor5 [ 1743.282626] 10535 total pagecache pages [ 1743.286607] 0 pages in swap cache [ 1743.369521] Swap cache stats: add 0, delete 0, find 0/0 [ 1743.383576] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1743.383576] active_file:58 inactive_file:82 isolated_file:0 [ 1743.383576] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1743.383576] slab_reclaimable:6528 slab_unreclaimable:70191 [ 1743.383576] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1743.383576] free:5159 free_pcp:13 free_cma:0 [ 1743.444765] Free swap = 0kB [ 1743.447797] Total swap = 0kB [ 1743.497566] 1965979 pages RAM [ 1743.500733] 0 pages HighMem/MovableOnly [ 1743.504694] 315641 pages reserved [ 1743.511856] [21128] 0 21128 17618 12677 31 3 0 1000 syz-executor5 [ 1743.577116] Free swap = 0kB [ 1743.652804] Total swap = 0kB [ 1743.655852] 1965979 pages RAM [ 1743.658975] 0 pages HighMem/MovableOnly [ 1743.735862] [21195] 0 21195 17618 12677 31 3 0 1000 syz-executor5 [ 1743.919620] 315641 pages reserved [ 1743.992633] [21209] 0 21209 17585 8200 25 3 0 1000 syz-executor2 [ 1744.135896] kthreadd: page allocation stalls for 125940ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1744.253280] [21226] 0 21226 17651 8235 26 4 0 1000 syz-executor0 [ 1744.282700] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1744.465609] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1744.471862] Call Trace: [ 1744.474454] dump_stack+0xb9/0x11b [ 1744.477998] warn_alloc.cold.35+0x9d/0x1b7 [ 1744.482236] ? zone_watermark_ok_safe+0x240/0x240 [ 1744.487117] __alloc_pages_nodemask+0x1425/0x2280 [ 1744.491974] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1744.496899] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1744.501737] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1744.506919] ? copy_process.part.6+0x1435/0x6530 [ 1744.511701] ? rcu_read_lock_sched_held+0x102/0x120 [ 1744.516715] copy_process.part.6+0x267/0x6530 [ 1744.521225] ? __lock_acquire+0x619/0x4320 [ 1744.525473] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1744.530571] ? kthread_create_on_node+0xe0/0xe0 [ 1744.535238] ? __cleanup_sighand+0x40/0x40 [ 1744.539482] ? perf_trace_lock+0x11a/0x4c0 [ 1744.543739] ? check_preemption_disabled+0x34/0x1e0 [ 1744.548783] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1744.553727] _do_fork+0x1c2/0xd50 [ 1744.557209] ? kthread_create_on_node+0xe0/0xe0 [ 1744.561891] ? fork_idle+0x250/0x250 [ 1744.565604] ? kthreadd+0x28a/0x3d0 [ 1744.569221] ? lock_downgrade+0x560/0x560 [ 1744.573361] ? lock_acquire+0x10f/0x380 [ 1744.577325] ? kthreadd+0x1c4/0x3d0 [ 1744.580973] ? kthread_create_on_node+0xe0/0xe0 [ 1744.585635] kernel_thread+0x2f/0x40 [ 1744.589344] kthreadd+0x29e/0x3d0 [ 1744.592791] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1744.597541] ? finish_task_switch+0x1e6/0x610 [ 1744.602032] ? __switch_to_asm+0x34/0x70 [ 1744.606096] ? __switch_to_asm+0x40/0x70 [ 1744.610166] ? __switch_to_asm+0x34/0x70 [ 1744.614216] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1744.618969] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1744.623724] ret_from_fork+0x3a/0x50 [ 1744.679538] [21250] 0 21250 17618 12677 31 3 0 1000 syz-executor5 [ 1744.876353] warn_alloc_show_mem: 2 callbacks suppressed [ 1744.876357] Mem-Info: [ 1744.941460] [21284] 0 21284 17618 12677 31 3 0 1000 syz-executor5 [ 1745.039424] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1745.039424] active_file:58 inactive_file:83 isolated_file:0 [ 1745.039424] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1745.039424] slab_reclaimable:6528 slab_unreclaimable:70323 [ 1745.039424] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1745.039424] free:5035 free_pcp:24 free_cma:0 [ 1745.136878] DMA32 free:17436kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1745.268512] [21308] 0 21308 17618 8233 25 4 0 1000 syz-executor1 [ 1745.531065] [21314] 0 21314 17585 8231 25 4 0 1000 syz-executor1 [ 1745.807133] [21376] 0 21376 17585 8200 24 3 0 0 syz-executor4 [ 1745.999844] lowmem_reserve[]: 0 3505 3505 [ 1746.059733] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:328kB unevictable:74848kB isolated(anon):0kB isolated(file):4kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1746.125057] [21390] 0 21390 17618 12677 31 3 0 1000 syz-executor5 [ 1746.158249] Normal free:2456kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:36kB local_pcp:36kB free_cma:0kB [ 1746.303686] [21426] 0 21426 17684 8206 24 3 0 0 syz-executor4 [ 1746.347721] [21427] 0 21427 17618 8237 27 4 0 1000 syz-executor2 [ 1746.359046] DMA32 free:17436kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:168kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1746.399993] [21482] 0 21482 17816 8249 30 4 0 0 syz-executor4 [ 1746.504833] cron: page allocation stalls for 90020ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1746.627256] lowmem_reserve[]: 0 0 0 [ 1746.739403] DMA32: 137*4kB (UMH) 275*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17436kB [ 1746.864709] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1746.870877] Call Trace: [ 1746.873487] dump_stack+0xb9/0x11b [ 1746.877034] warn_alloc.cold.35+0x9d/0x1b7 [ 1746.881268] ? zone_watermark_ok_safe+0x240/0x240 [ 1746.886109] ? usleep_range+0x130/0x130 [ 1746.890089] ? do_try_to_free_pages+0xde0/0xde0 [ 1746.894802] __alloc_pages_nodemask+0x1425/0x2280 [ 1746.899664] ? check_preemption_disabled+0x34/0x1e0 [ 1746.904683] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1746.909530] ? find_get_entry+0x118/0x550 [ 1746.913695] ? check_preemption_disabled+0x34/0x1e0 [ 1746.918723] ? check_preemption_disabled+0x34/0x1e0 [ 1746.923745] ? find_get_entry+0x13f/0x550 [ 1746.927905] ? pagecache_get_page+0x129/0x770 [ 1746.932406] filemap_fault+0xcdd/0x14a0 [ 1746.936408] ext4_filemap_fault+0x7d/0xb0 [ 1746.940592] __do_fault+0x80/0x210 [ 1746.944137] __handle_mm_fault+0x991/0x25f0 [ 1746.948472] ? vm_insert_page+0x6d0/0x6d0 [ 1746.952621] ? HARDIRQ_verbose+0x10/0x10 [ 1746.956676] ? HARDIRQ_verbose+0x10/0x10 [ 1746.960736] ? free_object+0xe4/0x240 [ 1746.964568] ? check_preemption_disabled+0x34/0x1e0 [ 1746.969590] handle_mm_fault+0x2f2/0x6eb [ 1746.973654] __do_page_fault+0x45d/0xb60 [ 1746.977719] ? retint_user+0x18/0x18 [ 1746.981426] ? bad_area_access_error+0x330/0x330 [ 1746.986184] ? page_fault+0x2c/0x50 [ 1746.989822] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1746.994666] ? page_fault+0x2c/0x50 [ 1746.998291] page_fault+0x42/0x50 [ 1747.001734] RIP: 60882280: (null) [ 1747.005961] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1747.022680] [21492] 0 21492 17684 8206 25 3 0 0 syz-executor4 [ 1747.306426] Normal: 113*4kB (UMH) 19*8kB (MH) 79*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1996kB [ 1747.445378] lowmem_reserve[]: 0 3505 3505 [ 1747.449598] Normal free:2120kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1747.525226] [21498] 0 21498 17618 12677 31 3 0 1000 syz-executor5 [ 1747.731990] 10535 total pagecache pages [ 1747.736014] 0 pages in swap cache [ 1747.739480] Swap cache stats: add 0, delete 0, find 0/0 [ 1747.819892] [21587] 0 21587 17618 12677 31 3 0 1000 syz-executor5 [ 1748.105051] [21661] 3327 21661 17585 8202 25 3 0 0 syz-executor4 [ 1748.124908] warn_alloc_show_mem: 4 callbacks suppressed [ 1748.124912] Mem-Info: [ 1748.138967] Free swap = 0kB [ 1748.227618] modprobe: page allocation stalls for 130060ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1748.244088] Total swap = 0kB [ 1748.247115] 1965979 pages RAM [ 1748.255397] syz-fuzzer: page allocation stalls for 90040ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1748.288087] syz-executor0: page allocation stalls for 130020ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1748.303320] modprobe: page allocation stalls for 130050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1748.314608] syz-fuzzer: page allocation stalls for 90090ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1748.326903] modprobe: page allocation stalls for 130050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1748.339988] modprobe: page allocation stalls for 130040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1748.358687] rs:main Q:Reg: page allocation stalls for 90110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1748.371269] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1748.371269] active_file:58 inactive_file:83 isolated_file:0 [ 1748.371269] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1748.371269] slab_reclaimable:6528 slab_unreclaimable:70566 [ 1748.371269] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1748.371269] free:4796 free_pcp:42 free_cma:0 [ 1748.415509] kworker/u4:11: page allocation stalls for 130100ms, order:1, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1748.429951] syz-executor2: page allocation stalls for 130150ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1748.489137] [21664] 3327 21664 17618 8205 26 3 0 0 syz-executor4 [ 1748.501166] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1748.508089] Call Trace: [ 1748.510700] dump_stack+0xb9/0x11b [ 1748.514245] warn_alloc.cold.35+0x9d/0x1b7 [ 1748.518479] ? zone_watermark_ok_safe+0x240/0x240 [ 1748.523355] __alloc_pages_nodemask+0x1425/0x2280 [ 1748.528211] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1748.533141] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1748.537980] ? perf_trace_lock+0x11a/0x4c0 [ 1748.542210] ? check_preemption_disabled+0x34/0x1e0 [ 1748.547270] ? rcu_read_lock_sched_held+0x102/0x120 [ 1748.552287] copy_process.part.6+0x267/0x6530 [ 1748.556779] ? __handle_mm_fault+0xdab/0x25f0 [ 1748.561266] ? lock_downgrade+0x560/0x560 [ 1748.565428] ? check_preemption_disabled+0x34/0x1e0 [ 1748.570479] ? perf_trace_lock+0x11a/0x4c0 [ 1748.574725] ? __cleanup_sighand+0x40/0x40 [ 1748.578963] ? vm_insert_page+0x6d0/0x6d0 [ 1748.583104] ? HARDIRQ_verbose+0x10/0x10 [ 1748.587196] _do_fork+0x1c2/0xd50 [ 1748.590669] ? fork_idle+0x250/0x250 [ 1748.594394] ? up_read+0x17/0x30 [ 1748.597751] ? __do_page_fault+0x64c/0xb60 [ 1748.601988] ? do_syscall_64+0x43/0x4b0 [ 1748.605959] ? sys_vfork+0x20/0x20 [ 1748.609489] do_syscall_64+0x19b/0x4b0 [ 1748.613383] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1748.618563] RIP: 0033:0x45a049 [ 1748.621739] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1748.629451] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1748.636740] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1748.644000] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1748.651273] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1748.658536] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1748.674578] 0 pages HighMem/MovableOnly [ 1748.678703] 315641 pages reserved [ 1748.734950] lowmem_reserve[]: 0 0 0 [ 1748.738647] DMA32: 113*4kB (UMH) 256*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 17188kB [ 1748.774759] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1748.781272] Call Trace: [ 1748.783874] dump_stack+0xb9/0x11b [ 1748.787431] warn_alloc.cold.35+0x9d/0x1b7 [ 1748.791689] ? zone_watermark_ok_safe+0x240/0x240 [ 1748.796542] ? usleep_range+0x130/0x130 [ 1748.800571] __alloc_pages_nodemask+0x1425/0x2280 [ 1748.805455] ? __kernel_text_address+0x9/0x30 [ 1748.810482] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1748.815333] ? __lock_acquire+0x619/0x4320 [ 1748.819573] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1748.824103] ? kmemdup+0x20/0x50 [ 1748.827469] ? selinux_cred_prepare+0x3e/0x90 [ 1748.831982] ? new_slab+0x358/0x470 [ 1748.835621] new_slab+0x3c0/0x470 [ 1748.839085] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1748.844104] ? getname_flags+0xc4/0x540 [ 1748.848088] ? fs_reclaim_acquire+0x10/0x10 [ 1748.852416] ? check_preemption_disabled+0x34/0x1e0 [ 1748.857435] ? getname_flags+0xc4/0x540 [ 1748.861429] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1748.866888] ? getname_flags+0xc4/0x540 [ 1748.870862] kmem_cache_alloc+0x19e/0x2b0 [ 1748.875015] getname_flags+0xc4/0x540 [ 1748.878824] user_path_at_empty+0x28/0x80 [ 1748.882978] SyS_faccessat+0x20d/0x660 [ 1748.886870] ? SyS_fallocate+0x80/0x80 [ 1748.890766] ? do_syscall_64+0x43/0x4b0 [ 1748.894739] ? SyS_faccessat+0x660/0x660 [ 1748.898796] do_syscall_64+0x19b/0x4b0 [ 1748.902690] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1748.907871] RIP: 0033:0x7fd4ad02d267 [ 1748.911574] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1748.919289] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1748.926570] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1748.933833] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1748.941098] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1748.948360] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1748.979726] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1748.986242] Call Trace: [ 1748.988831] dump_stack+0xb9/0x11b [ 1748.992378] warn_alloc.cold.35+0x9d/0x1b7 [ 1748.996646] ? zone_watermark_ok_safe+0x240/0x240 [ 1749.001501] ? usleep_range+0x130/0x130 [ 1749.005520] __alloc_pages_nodemask+0x1425/0x2280 [ 1749.010380] ? perf_trace_lock+0x11a/0x4c0 [ 1749.014611] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1749.019477] ? check_preemption_disabled+0x34/0x1e0 [ 1749.024499] ? __lock_acquire+0x619/0x4320 [ 1749.028763] ? new_slab+0x358/0x470 [ 1749.032421] new_slab+0x3c0/0x470 [ 1749.035887] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1749.040899] ? getname_flags+0xc4/0x540 [ 1749.044881] ? fs_reclaim_acquire+0x10/0x10 [ 1749.049210] ? check_preemption_disabled+0x34/0x1e0 [ 1749.054225] ? getname_flags+0xc4/0x540 [ 1749.058196] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1749.063636] ? getname_flags+0xc4/0x540 [ 1749.067601] kmem_cache_alloc+0x19e/0x2b0 [ 1749.071743] getname_flags+0xc4/0x540 [ 1749.075546] user_path_at_empty+0x28/0x80 [ 1749.079711] vfs_statx+0xe1/0x180 [ 1749.083164] ? vfs_statx_fd+0x90/0x90 [ 1749.086973] SyS_newstat+0x81/0xf0 [ 1749.090505] ? SyS_fstat+0xe0/0xe0 [ 1749.094095] ? up_read+0x17/0x30 [ 1749.097484] ? __do_page_fault+0x64c/0xb60 [ 1749.101718] ? do_syscall_64+0x43/0x4b0 [ 1749.105688] ? SyS_fstat+0xe0/0xe0 [ 1749.109215] do_syscall_64+0x19b/0x4b0 [ 1749.113135] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1749.118311] RIP: 0033:0x7f810d837c65 [ 1749.122019] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1749.129714] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1749.136973] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1749.144230] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1749.151493] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1749.158751] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1749.176372] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1749.183039] Call Trace: [ 1749.185623] dump_stack+0xb9/0x11b [ 1749.189162] warn_alloc.cold.35+0x9d/0x1b7 [ 1749.193388] ? zone_watermark_ok_safe+0x240/0x240 [ 1749.198242] ? usleep_range+0x130/0x130 [ 1749.202231] ? do_try_to_free_pages+0xde0/0xde0 [ 1749.206933] __alloc_pages_nodemask+0x1425/0x2280 [ 1749.211793] ? check_preemption_disabled+0x34/0x1e0 [ 1749.216810] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1749.221649] ? find_get_entry+0x118/0x550 [ 1749.225810] ? check_preemption_disabled+0x34/0x1e0 [ 1749.230820] ? check_preemption_disabled+0x34/0x1e0 [ 1749.235836] ? find_get_entry+0x13f/0x550 [ 1749.239991] ? pagecache_get_page+0x129/0x770 [ 1749.244518] filemap_fault+0xcdd/0x14a0 [ 1749.248528] ext4_filemap_fault+0x7d/0xb0 [ 1749.252676] __do_fault+0x80/0x210 [ 1749.256211] __handle_mm_fault+0x991/0x25f0 [ 1749.260541] ? vm_insert_page+0x6d0/0x6d0 [ 1749.264684] ? HARDIRQ_verbose+0x10/0x10 [ 1749.268755] ? HARDIRQ_verbose+0x10/0x10 [ 1749.272810] ? SyS_futex+0x249/0x2b5 [ 1749.276577] ? check_preemption_disabled+0x34/0x1e0 [ 1749.281610] handle_mm_fault+0x2f2/0x6eb [ 1749.285669] __do_page_fault+0x45d/0xb60 [ 1749.289744] ? retint_user+0x18/0x18 [ 1749.293456] ? bad_area_access_error+0x330/0x330 [ 1749.298208] ? page_fault+0x2c/0x50 [ 1749.301843] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1749.306685] ? page_fault+0x2c/0x50 [ 1749.310308] page_fault+0x42/0x50 [ 1749.313748] RIP: 0020:0x13 [ 1749.316601] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1749.320059] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1749.331911] Call Trace: [ 1749.334490] dump_stack+0xb9/0x11b [ 1749.338044] warn_alloc.cold.35+0x9d/0x1b7 [ 1749.342291] ? zone_watermark_ok_safe+0x240/0x240 [ 1749.347128] ? usleep_range+0x130/0x130 [ 1749.351136] __alloc_pages_nodemask+0x1425/0x2280 [ 1749.356021] ? check_preemption_disabled+0x34/0x1e0 [ 1749.361053] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1749.365919] ? __is_insn_slot_addr+0x139/0x1f0 [ 1749.370502] ? __lock_acquire+0x619/0x4320 [ 1749.374738] ? __lock_acquire+0x619/0x4320 [ 1749.378981] ? depot_save_stack+0x126/0x428 [ 1749.383313] ? perf_trace_lock+0x11a/0x4c0 [ 1749.387550] ? new_slab+0x358/0x470 [ 1749.391203] new_slab+0x3c0/0x470 [ 1749.394673] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1749.399691] ? perf_event_mmap+0x447/0xc30 [ 1749.403935] ? fs_reclaim_acquire+0x10/0x10 [ 1749.408280] ? check_preemption_disabled+0x34/0x1e0 [ 1749.413295] ? perf_event_mmap+0x447/0xc30 [ 1749.417527] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1749.422977] kmem_cache_alloc_trace+0x1c6/0x300 [ 1749.427642] ? perf_event_mmap+0x447/0xc30 [ 1749.431876] perf_event_mmap+0x447/0xc30 [ 1749.435944] ? perf_event_namespaces+0x30/0x30 [ 1749.440541] ? prot_none_test+0x10/0x10 [ 1749.444511] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1749.448672] mprotect_fixup+0x3b2/0x800 [ 1749.452658] ? change_protection+0x50/0x50 [ 1749.456897] ? file_map_prot_check+0x193/0x2c0 [ 1749.461484] ? selinux_file_mprotect+0xf6/0x5c0 [ 1749.466144] ? SyS_mprotect+0x16f/0x610 [ 1749.470130] SyS_mprotect+0x30a/0x610 [ 1749.473930] ? mprotect_fixup+0x800/0x800 [ 1749.478112] ? do_syscall_64+0x43/0x4b0 [ 1749.482083] ? mprotect_fixup+0x800/0x800 [ 1749.486227] do_syscall_64+0x19b/0x4b0 [ 1749.490149] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1749.495329] RIP: 0033:0x7f515b46a447 [ 1749.499032] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1749.506735] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1749.513996] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1749.521259] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1749.528522] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1749.535798] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1749.547260] CPU: 1 PID: 9334 Comm: modprobe Not tainted 4.14.87+ #21 [ 1749.553782] Call Trace: [ 1749.556384] dump_stack+0xb9/0x11b [ 1749.559925] warn_alloc.cold.35+0x9d/0x1b7 [ 1749.564167] ? zone_watermark_ok_safe+0x240/0x240 [ 1749.569009] ? usleep_range+0x130/0x130 [ 1749.573021] __alloc_pages_nodemask+0x1425/0x2280 [ 1749.577903] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1749.582789] ? __lock_acquire+0x619/0x4320 [ 1749.587017] ? __lock_acquire+0x619/0x4320 [ 1749.591277] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1749.596388] ? perf_trace_lock+0x11a/0x4c0 [ 1749.600614] ? new_slab+0x358/0x470 [ 1749.604247] new_slab+0x3c0/0x470 [ 1749.607709] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1749.612738] ? perf_event_mmap+0x447/0xc30 [ 1749.616996] ? fs_reclaim_acquire+0x10/0x10 [ 1749.621322] ? check_preemption_disabled+0x34/0x1e0 [ 1749.626334] ? perf_event_mmap+0x447/0xc30 [ 1749.630564] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1749.636026] kmem_cache_alloc_trace+0x1c6/0x300 [ 1749.640690] ? perf_event_mmap+0x447/0xc30 [ 1749.644977] perf_event_mmap+0x447/0xc30 [ 1749.649060] ? perf_event_namespaces+0x30/0x30 [ 1749.653656] ? prot_none_test+0x10/0x10 [ 1749.657625] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1749.661786] mprotect_fixup+0x3b2/0x800 [ 1749.665768] ? change_protection+0x50/0x50 [ 1749.670008] ? file_map_prot_check+0x193/0x2c0 [ 1749.674594] ? selinux_file_mprotect+0xf6/0x5c0 [ 1749.679262] ? SyS_mprotect+0x16f/0x610 [ 1749.683255] SyS_mprotect+0x30a/0x610 [ 1749.687079] ? mprotect_fixup+0x800/0x800 [ 1749.691262] ? do_syscall_64+0x43/0x4b0 [ 1749.695228] ? mprotect_fixup+0x800/0x800 [ 1749.699380] do_syscall_64+0x19b/0x4b0 [ 1749.703275] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1749.708463] RIP: 0033:0x7fbdfdf45447 [ 1749.712167] RSP: 002b:00007ffda38dca18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1749.719868] RAX: ffffffffffffffda RBX: 00007fbdfe14d9a8 RCX: 00007fbdfdf45447 [ 1749.727132] RDX: 0000000000000001 RSI: 0000000000004000 RDI: 00007fbdfdd0f000 [ 1749.734397] RBP: 00007ffda38dcb10 R08: 000000000000003f R09: 0000000000000001 [ 1749.741682] R10: 00007fbdfd9aaaf0 R11: 0000000000000206 R12: 00007fbdfd98c000 [ 1749.748942] R13: 00007fbdfdd13020 R14: 00007fbdfd9aaaf0 R15: 00007fbdfdd13d98 [ 1749.762611] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1749.769284] Call Trace: [ 1749.771867] dump_stack+0xb9/0x11b [ 1749.775414] warn_alloc.cold.35+0x9d/0x1b7 [ 1749.779657] ? zone_watermark_ok_safe+0x240/0x240 [ 1749.784508] ? usleep_range+0x130/0x130 [ 1749.788497] ? do_try_to_free_pages+0xde0/0xde0 [ 1749.793186] __alloc_pages_nodemask+0x1425/0x2280 [ 1749.798056] ? check_preemption_disabled+0x34/0x1e0 [ 1749.803069] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1749.807917] ? find_get_entry+0x118/0x550 [ 1749.812072] ? check_preemption_disabled+0x34/0x1e0 [ 1749.817075] ? check_preemption_disabled+0x34/0x1e0 [ 1749.822089] ? find_get_entry+0x13f/0x550 [ 1749.826247] ? pagecache_get_page+0x129/0x770 [ 1749.830758] filemap_fault+0xcdd/0x14a0 [ 1749.834760] ext4_filemap_fault+0x7d/0xb0 [ 1749.838904] __do_fault+0x80/0x210 [ 1749.842445] __handle_mm_fault+0x991/0x25f0 [ 1749.846767] ? vm_insert_page+0x6d0/0x6d0 [ 1749.850906] ? HARDIRQ_verbose+0x10/0x10 [ 1749.854987] ? HARDIRQ_verbose+0x10/0x10 [ 1749.859040] ? SyS_futex+0x249/0x2b5 [ 1749.862822] ? check_preemption_disabled+0x34/0x1e0 [ 1749.867837] handle_mm_fault+0x2f2/0x6eb [ 1749.871893] __do_page_fault+0x45d/0xb60 [ 1749.875967] ? retint_user+0x18/0x18 [ 1749.879668] ? bad_area_access_error+0x330/0x330 [ 1749.884416] ? page_fault+0x2c/0x50 [ 1749.888040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1749.892898] ? page_fault+0x2c/0x50 [ 1749.896529] page_fault+0x42/0x50 [ 1749.899989] RIP: 0020:0x13 [ 1749.902840] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1749.921768] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1749.934051] Call Trace: [ 1749.936633] dump_stack+0xb9/0x11b [ 1749.940172] warn_alloc.cold.35+0x9d/0x1b7 [ 1749.944402] ? zone_watermark_ok_safe+0x240/0x240 [ 1749.949241] ? usleep_range+0x130/0x130 [ 1749.953253] __alloc_pages_nodemask+0x1425/0x2280 [ 1749.958111] ? debug_check_no_obj_freed+0x150/0x77c [ 1749.963140] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1749.968007] ? __lock_acquire+0x619/0x4320 [ 1749.972262] ? __lock_acquire+0x619/0x4320 [ 1749.976486] ? lock_acquire+0x10f/0x380 [ 1749.980458] ? avc_has_perm+0x9e/0x390 [ 1749.984362] ? new_slab+0x358/0x470 [ 1749.987980] new_slab+0x3c0/0x470 [ 1749.991434] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1749.996469] ? __might_fault+0x104/0x1b0 [ 1750.000605] ? getname_flags+0xc4/0x540 [ 1750.004580] ? fs_reclaim_acquire+0x10/0x10 [ 1750.008896] ? check_preemption_disabled+0x34/0x1e0 [ 1750.013916] ? getname_flags+0xc4/0x540 [ 1750.017892] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1750.023334] ? getname_flags+0xc4/0x540 [ 1750.027330] kmem_cache_alloc+0x19e/0x2b0 [ 1750.031476] getname_flags+0xc4/0x540 [ 1750.035268] ? SyS_unlinkat+0x70/0x70 [ 1750.039075] do_unlinkat+0xc9/0x650 [ 1750.042714] ? do_rmdir+0x3a0/0x3a0 [ 1750.046342] ? SyS_newlstat+0x92/0xf0 [ 1750.050138] ? SyS_newstat+0xf0/0xf0 [ 1750.053865] ? do_syscall_64+0x43/0x4b0 [ 1750.057831] ? SyS_unlinkat+0x70/0x70 [ 1750.061623] do_syscall_64+0x19b/0x4b0 [ 1750.065510] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1750.070687] RIP: 0033:0x4573c7 [ 1750.073881] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1750.081598] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1750.088859] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1750.096115] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1750.103376] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1750.110634] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1750.119139] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1750.126064] Call Trace: [ 1750.128641] dump_stack+0xb9/0x11b [ 1750.132179] warn_alloc.cold.35+0x9d/0x1b7 [ 1750.136406] ? zone_watermark_ok_safe+0x240/0x240 [ 1750.141262] ? usleep_range+0x130/0x130 [ 1750.145244] ? do_try_to_free_pages+0xde0/0xde0 [ 1750.149935] __alloc_pages_nodemask+0x1425/0x2280 [ 1750.154793] ? check_preemption_disabled+0x34/0x1e0 [ 1750.159836] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1750.164689] ? find_get_entry+0x118/0x550 [ 1750.168835] ? check_preemption_disabled+0x34/0x1e0 [ 1750.173842] ? check_preemption_disabled+0x34/0x1e0 [ 1750.178858] ? find_get_entry+0x13f/0x550 [ 1750.183012] ? pagecache_get_page+0x129/0x770 [ 1750.187509] filemap_fault+0xcdd/0x14a0 [ 1750.191501] ext4_filemap_fault+0x7d/0xb0 [ 1750.195649] __do_fault+0x80/0x210 [ 1750.199198] __handle_mm_fault+0x991/0x25f0 [ 1750.203517] ? vm_insert_page+0x6d0/0x6d0 [ 1750.207651] ? HARDIRQ_verbose+0x10/0x10 [ 1750.211697] ? HARDIRQ_verbose+0x10/0x10 [ 1750.215781] ? check_preemption_disabled+0x34/0x1e0 [ 1750.220833] handle_mm_fault+0x2f2/0x6eb [ 1750.224890] __do_page_fault+0x45d/0xb60 [ 1750.228950] ? retint_user+0x18/0x18 [ 1750.232658] ? bad_area_access_error+0x330/0x330 [ 1750.237405] ? page_fault+0x2c/0x50 [ 1750.241026] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1750.245880] ? page_fault+0x2c/0x50 [ 1750.249510] page_fault+0x42/0x50 [ 1750.252972] RIP: 0000:0x5 [ 1750.255717] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1750.258503] CPU: 1 PID: 9339 Comm: kworker/u4:11 Not tainted 4.14.87+ #21 [ 1750.270961] Call Trace: [ 1750.273539] dump_stack+0xb9/0x11b [ 1750.277092] warn_alloc.cold.35+0x9d/0x1b7 [ 1750.281338] ? zone_watermark_ok_safe+0x240/0x240 [ 1750.286219] __alloc_pages_nodemask+0x1425/0x2280 [ 1750.291075] ? call_usermodehelper_exec_async+0x289/0x4b0 [ 1750.296609] ? ret_from_fork+0x3a/0x50 [ 1750.300492] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1750.305337] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1750.310268] ? HARDIRQ_verbose+0x10/0x10 [ 1750.314359] __get_free_pages+0x13/0xa0 [ 1750.318328] pgd_alloc+0x1f/0x3a0 [ 1750.321778] mm_init+0x514/0x800 [ 1750.325135] mm_alloc+0xa1/0xc0 [ 1750.328405] do_execveat_common.isra.14+0xa71/0x1d60 [ 1750.333501] ? fs_reclaim_acquire+0x10/0x10 [ 1750.337826] ? prepare_bprm_creds+0x110/0x110 [ 1750.342349] ? rcu_read_lock_sched_held+0x102/0x120 [ 1750.347395] do_execve+0x2c/0x40 [ 1750.350780] call_usermodehelper_exec_async+0x289/0x4b0 [ 1750.356149] ? umh_complete+0x80/0x80 [ 1750.359945] ret_from_fork+0x3a/0x50 [ 1750.368159] [21676] 0 21676 17618 12677 31 3 0 1000 syz-executor5 [ 1750.545133] [21697] 0 21697 17585 8235 27 4 0 1000 syz-executor2 [ 1750.592732] Normal: 113*4kB (UMH) 20*8kB (UMH) 63*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1748kB [ 1750.727207] [21709] 0 21709 17618 8237 27 4 0 1000 syz-executor2 [ 1750.775953] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1750.799825] Mem-Info: [ 1750.840777] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1750.840777] active_file:58 inactive_file:83 isolated_file:0 [ 1750.840777] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1750.840777] slab_reclaimable:6528 slab_unreclaimable:70659 [ 1750.840777] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1750.840777] free:4672 free_pcp:39 free_cma:0 [ 1750.894261] 10535 total pagecache pages [ 1750.898246] 0 pages in swap cache [ 1750.987230] [21733] 0 21733 17618 12677 31 3 0 1000 syz-executor5 [ 1751.036014] Swap cache stats: add 0, delete 0, find 0/0 [ 1751.146334] Free swap = 0kB [ 1751.149379] Total swap = 0kB [ 1751.182627] [21750] 0 21750 17652 8236 25 4 0 0 syz-executor4 [ 1751.280081] 1965979 pages RAM [ 1751.283207] 0 pages HighMem/MovableOnly [ 1751.287171] 315641 pages reserved [ 1751.308420] DMA32 free:16692kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 1751.402569] [21777] 0 21777 17651 8241 26 4 0 0 syz-executor4 [ 1751.571297] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1751.610128] [21794] 0 21794 17618 12677 31 3 0 1000 syz-executor5 [ 1751.619590] [21851] 0 21851 17651 12327 33 4 0 1000 syz-executor2 [ 1751.987232] lowmem_reserve[]: 0 3505 3505 [ 1752.049337] [21867] 0 21867 17618 12677 31 3 0 1000 syz-executor5 [ 1752.091592] Normal free:1748kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB [ 1752.174770] DMA32 free:16444kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:100kB local_pcp:100kB free_cma:0kB [ 1752.326159] [21949] 0 21949 17618 12677 31 3 0 1000 syz-executor5 [ 1752.364668] warn_alloc_show_mem: 1 callbacks suppressed [ 1752.364672] Mem-Info: [ 1752.498873] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1752.498873] active_file:58 inactive_file:83 isolated_file:0 [ 1752.498873] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1752.498873] slab_reclaimable:6528 slab_unreclaimable:70814 [ 1752.498873] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1752.498873] free:4517 free_pcp:44 free_cma:0 [ 1752.579990] [21956] 0 21956 17651 8237 26 4 0 1000 syz-executor2 [ 1752.681522] [22020] 0 22020 17618 12677 31 3 0 1000 syz-executor5 [ 1752.699803] lowmem_reserve[]: 0 0 0 [ 1752.705077] lowmem_reserve[]: 0 3505 3505 [ 1752.709260] Normal free:1748kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB [ 1752.749728] DMA32: 113*4kB (UMH) 132*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16196kB [ 1752.950125] [22117] 0 22117 17618 12677 31 3 0 1000 syz-executor5 [ 1752.959594] [22192] 0 22192 17618 12677 31 3 0 1000 syz-executor5 [ 1753.205040] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1753.256148] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1753.451158] [22210] 0 22210 17585 8198 25 3 0 1000 syz-executor0 [ 1753.515813] warn_alloc_show_mem: 1 callbacks suppressed [ 1753.515817] Mem-Info: [ 1753.562530] 10535 total pagecache pages [ 1753.566518] 0 pages in swap cache [ 1753.569957] Swap cache stats: add 0, delete 0, find 0/0 [ 1753.650167] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1753.650167] active_file:58 inactive_file:83 isolated_file:0 [ 1753.650167] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1753.650167] slab_reclaimable:6528 slab_unreclaimable:70936 [ 1753.650167] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1753.650167] free:4491 free_pcp:0 free_cma:0 [ 1753.726358] lowmem_reserve[]: 0 0 0 [ 1753.730093] [22213] 0 22213 17651 8202 25 3 0 1000 syz-executor0 [ 1753.739558] [22234] 0 22234 17651 8233 25 4 0 1000 syz-executor3 [ 1753.875548] DMA32: 113*4kB (UMH) 101*8kB (UMH) 774*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15948kB [ 1753.978892] Free swap = 0kB [ 1753.982043] DMA32 free:16120kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:56kB local_pcp:56kB free_cma:0kB [ 1754.078307] Total swap = 0kB [ 1754.177718] 1965979 pages RAM [ 1754.260076] 0 pages HighMem/MovableOnly [ 1754.264072] 315641 pages reserved [ 1754.291956] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1754.343622] [22253] 0 22253 17618 12677 31 3 0 1000 syz-executor5 [ 1754.593129] warn_alloc: 17 callbacks suppressed [ 1754.593133] syz-executor3: page allocation stalls for 136330ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1754.619662] [22296] 0 22296 17684 8236 32 4 0 1000 syz-executor3 [ 1754.664197] 10535 total pagecache pages [ 1754.668185] 0 pages in swap cache [ 1754.721116] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1754.790077] warn_alloc_show_mem: 2 callbacks suppressed [ 1754.790080] Mem-Info: [ 1754.797877] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1754.797877] active_file:58 inactive_file:83 isolated_file:0 [ 1754.797877] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1754.797877] slab_reclaimable:6528 slab_unreclaimable:71005 [ 1754.797877] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1754.797877] free:4417 free_pcp:8 free_cma:0 [ 1754.897311] lowmem_reserve[]: 0 3505 3505 [ 1754.935888] Swap cache stats: add 0, delete 0, find 0/0 [ 1754.958658] [22326] 0 22326 17618 12677 31 3 0 1000 syz-executor5 [ 1755.028577] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1755.100954] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1755.110627] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1755.117627] Call Trace: [ 1755.120222] dump_stack+0xb9/0x11b [ 1755.123770] warn_alloc.cold.35+0x9d/0x1b7 [ 1755.128017] ? zone_watermark_ok_safe+0x240/0x240 [ 1755.132907] __alloc_pages_nodemask+0x19f4/0x2280 [ 1755.137754] ? check_preemption_disabled+0x34/0x1e0 [ 1755.142794] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1755.147633] ? __kernel_text_address+0x9/0x30 [ 1755.152137] ? unwind_get_return_address+0x51/0x90 [ 1755.157060] ? __save_stack_trace+0x8d/0xf0 [ 1755.161374] ? check_preemption_disabled+0x34/0x1e0 [ 1755.166403] ? kasan_slab_free+0x119/0x190 [ 1755.170633] ? kasan_slab_free+0xac/0x190 [ 1755.174785] ? check_preemption_disabled+0x34/0x1e0 [ 1755.179843] new_slab+0x3c0/0x470 [ 1755.183307] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1755.188321] ? __sigqueue_alloc+0x1d9/0x400 [ 1755.192634] ? check_preemption_disabled+0x34/0x1e0 [ 1755.197662] ? check_preemption_disabled+0x34/0x1e0 [ 1755.202686] ? __sigqueue_alloc+0x1d9/0x400 [ 1755.207009] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1755.212464] ? __sigqueue_alloc+0x1d9/0x400 [ 1755.216777] kmem_cache_alloc+0x19e/0x2b0 [ 1755.220926] __sigqueue_alloc+0x1d9/0x400 [ 1755.225080] __send_signal+0x1b0/0x1200 [ 1755.229078] force_sig_info+0x241/0x340 [ 1755.233059] force_sig_info_fault.constprop.7+0x129/0x210 [ 1755.238593] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1755.243706] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1755.248636] ? bad_area_access_error+0x1de/0x330 [ 1755.253398] __bad_area_nosemaphore+0x192/0x280 [ 1755.258076] bad_area_access_error+0x1ff/0x330 [ 1755.262653] ? mm_fault_error+0x2b0/0x2b0 [ 1755.266792] ? vmacache_find+0x50/0x250 [ 1755.270768] __do_page_fault+0x6d0/0xb60 [ 1755.274825] ? retint_user+0x18/0x18 [ 1755.278529] ? bad_area_access_error+0x330/0x330 [ 1755.283275] ? page_fault+0x2c/0x50 [ 1755.286904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1755.291744] ? page_fault+0x2c/0x50 [ 1755.295360] page_fault+0x42/0x50 [ 1755.298800] RIP: 4c59bd:0x4da048 [ 1755.302152] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1755.302195] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1755.315498] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1755.324493] node 0: slabs: 32586, objs: 586548, free: 0 [ 1755.345601] Free swap = 0kB [ 1755.348620] Total swap = 0kB [ 1755.395963] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1755.402963] Call Trace: [ 1755.405587] dump_stack+0xb9/0x11b [ 1755.409124] warn_alloc.cold.35+0x9d/0x1b7 [ 1755.413371] ? zone_watermark_ok_safe+0x240/0x240 [ 1755.418220] ? usleep_range+0x130/0x130 [ 1755.422226] __alloc_pages_nodemask+0x1425/0x2280 [ 1755.427089] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1755.431932] ? __lock_acquire+0x619/0x4320 [ 1755.436171] ? kasan_slab_free+0xac/0x190 [ 1755.440307] ? kmem_cache_free+0x12d/0x350 [ 1755.444528] ? putname+0xcf/0x100 [ 1755.447990] ? do_rmdir+0x161/0x3a0 [ 1755.451603] ? do_syscall_64+0x19b/0x4b0 [ 1755.455681] ? new_slab+0x358/0x470 [ 1755.459301] new_slab+0x3c0/0x470 [ 1755.462751] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1755.467792] ? getname_flags+0xc4/0x540 [ 1755.471773] ? fs_reclaim_acquire+0x10/0x10 [ 1755.476095] ? check_preemption_disabled+0x34/0x1e0 [ 1755.481124] ? getname_flags+0xc4/0x540 [ 1755.485092] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1755.490540] ? getname_flags+0xc4/0x540 [ 1755.494508] kmem_cache_alloc+0x19e/0x2b0 [ 1755.498655] getname_flags+0xc4/0x540 [ 1755.502452] ? task_work_run+0x6a/0x190 [ 1755.506457] SyS_mkdirat+0x8d/0x220 [ 1755.510095] ? trace_hardirqs_on_caller+0x381/0x520 [ 1755.515100] ? SyS_mknod+0x30/0x30 [ 1755.518655] ? do_syscall_64+0x43/0x4b0 [ 1755.522640] ? SyS_mkdirat+0x220/0x220 [ 1755.526519] do_syscall_64+0x19b/0x4b0 [ 1755.530407] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1755.535585] RIP: 0033:0x456a97 [ 1755.538795] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1755.546508] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1755.553772] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1755.561044] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1755.568319] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1755.575579] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1755.673834] [22332] 0 22332 17618 12677 32 3 0 1000 syz-executor2 [ 1755.707672] 1965979 pages RAM [ 1755.801410] 0 pages HighMem/MovableOnly [ 1755.805423] 315641 pages reserved [ 1755.810077] warn_alloc_show_mem: 2 callbacks suppressed [ 1755.810080] Mem-Info: [ 1755.817852] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1755.817852] active_file:58 inactive_file:83 isolated_file:0 [ 1755.817852] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1755.817852] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1755.817852] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1755.817852] free:4355 free_pcp:8 free_cma:0 [ 1755.918194] DMA32 free:15576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB [ 1755.999601] [22333] 0 22333 17618 11141 30 3 0 1000 syz-executor2 [ 1756.185808] kthreadd: page allocation stalls for 137990ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1756.266614] [22384] 0 22384 17618 12677 31 3 0 1000 syz-executor5 [ 1756.372552] lowmem_reserve[]: 0 0 0 [ 1756.376207] DMA32: 112*4kB (MH) 65*8kB (MH) 769*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15576kB [ 1756.504672] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1756.558278] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1756.564508] Call Trace: [ 1756.567096] dump_stack+0xb9/0x11b [ 1756.570636] warn_alloc.cold.35+0x9d/0x1b7 [ 1756.574865] ? zone_watermark_ok_safe+0x240/0x240 [ 1756.579737] __alloc_pages_nodemask+0x1425/0x2280 [ 1756.584593] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1756.589517] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1756.594379] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1756.599563] ? copy_process.part.6+0x1435/0x6530 [ 1756.604354] ? rcu_read_lock_sched_held+0x102/0x120 [ 1756.609372] copy_process.part.6+0x267/0x6530 [ 1756.613881] ? __lock_acquire+0x619/0x4320 [ 1756.618133] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1756.623231] ? kthread_create_on_node+0xe0/0xe0 [ 1756.627904] ? __cleanup_sighand+0x40/0x40 [ 1756.632138] ? perf_trace_lock+0x11a/0x4c0 [ 1756.636365] ? check_preemption_disabled+0x34/0x1e0 [ 1756.641487] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1756.646438] _do_fork+0x1c2/0xd50 [ 1756.649917] ? kthread_create_on_node+0xe0/0xe0 [ 1756.654582] ? fork_idle+0x250/0x250 [ 1756.658306] ? kthreadd+0x28a/0x3d0 [ 1756.661929] ? lock_downgrade+0x560/0x560 [ 1756.666085] ? lock_acquire+0x10f/0x380 [ 1756.670064] ? kthreadd+0x1c4/0x3d0 [ 1756.673698] ? kthread_create_on_node+0xe0/0xe0 [ 1756.678507] kernel_thread+0x2f/0x40 [ 1756.682216] kthreadd+0x29e/0x3d0 [ 1756.685670] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1756.690420] ? finish_task_switch+0x1e6/0x610 [ 1756.694939] ? __switch_to_asm+0x34/0x70 [ 1756.698996] ? __switch_to_asm+0x40/0x70 [ 1756.703047] ? __switch_to_asm+0x34/0x70 [ 1756.707113] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1756.711894] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1756.716648] ret_from_fork+0x3a/0x50 [ 1756.729214] [22431] 0 22431 17618 12677 32 3 0 1000 syz-executor2 [ 1756.959519] lowmem_reserve[]: 0 3505 3505 [ 1756.994769] [22488] 0 22488 17717 8242 25 4 0 0 syz-executor4 [ 1757.052591] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1757.103855] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1757.256208] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1757.326393] [22495] 0 22495 17618 12677 31 3 0 1000 syz-executor5 [ 1757.430964] DMA32 free:15576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB [ 1757.489901] 10535 total pagecache pages [ 1757.601393] 0 pages in swap cache [ 1757.604870] Swap cache stats: add 0, delete 0, find 0/0 [ 1757.632585] [22559] 0 22559 17618 12677 31 3 0 1000 syz-executor5 [ 1757.863172] Free swap = 0kB [ 1757.866251] Total swap = 0kB [ 1757.869272] 1965979 pages RAM [ 1757.919559] [22603] 0 22603 17618 8204 25 3 0 1000 syz-executor2 [ 1757.999037] DMA32 free:15576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB [ 1758.053271] lowmem_reserve[]: 0 0 0 [ 1758.056927] DMA32: 112*4kB (MH) 65*8kB (MH) 769*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15576kB [ 1758.181324] 0 pages HighMem/MovableOnly [ 1758.185323] 315641 pages reserved [ 1758.220103] init: page allocation stalls for 140070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1758.244412] [22612] 0 22612 17618 12677 31 3 0 1000 syz-executor5 [ 1758.290142] syz-executor0: page allocation stalls for 140030ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1758.303941] syz-fuzzer: page allocation stalls for 100090ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1758.316287] modprobe: page allocation stalls for 140060ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1758.333551] modprobe: page allocation stalls for 140010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1758.346584] modprobe: page allocation stalls for 140090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1758.366543] modprobe: page allocation stalls for 140110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1758.406251] lowmem_reserve[]: 0 3505 3505 [ 1758.451009] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1758.457966] Call Trace: [ 1758.460565] dump_stack+0xb9/0x11b [ 1758.464109] warn_alloc.cold.35+0x9d/0x1b7 [ 1758.468355] ? zone_watermark_ok_safe+0x240/0x240 [ 1758.473235] __alloc_pages_nodemask+0x1425/0x2280 [ 1758.478113] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1758.483068] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1758.487920] ? perf_trace_lock+0x11a/0x4c0 [ 1758.492162] ? check_preemption_disabled+0x34/0x1e0 [ 1758.497209] ? rcu_read_lock_sched_held+0x102/0x120 [ 1758.502258] copy_process.part.6+0x267/0x6530 [ 1758.506773] ? __handle_mm_fault+0xdab/0x25f0 [ 1758.511266] ? lock_downgrade+0x560/0x560 [ 1758.515408] ? check_preemption_disabled+0x34/0x1e0 [ 1758.520421] ? perf_trace_lock+0x11a/0x4c0 [ 1758.524665] ? __cleanup_sighand+0x40/0x40 [ 1758.528902] ? vm_insert_page+0x6d0/0x6d0 [ 1758.533073] ? HARDIRQ_verbose+0x10/0x10 [ 1758.537182] _do_fork+0x1c2/0xd50 [ 1758.540653] ? fork_idle+0x250/0x250 [ 1758.544366] ? up_read+0x17/0x30 [ 1758.547724] ? __do_page_fault+0x64c/0xb60 [ 1758.551959] ? do_syscall_64+0x43/0x4b0 [ 1758.555945] ? sys_vfork+0x20/0x20 [ 1758.559476] do_syscall_64+0x19b/0x4b0 [ 1758.563369] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1758.568547] RIP: 0033:0x45a049 [ 1758.571725] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1758.579424] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1758.586695] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1758.593956] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1758.601217] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1758.608478] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1758.657825] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1758.707512] [22617] 0 22617 17651 8206 25 3 0 1000 syz-executor2 [ 1758.733466] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1758.739367] Call Trace: [ 1758.741982] dump_stack+0xb9/0x11b [ 1758.745556] warn_alloc.cold.35+0x9d/0x1b7 [ 1758.749785] ? zone_watermark_ok_safe+0x240/0x240 [ 1758.754621] ? usleep_range+0x130/0x130 [ 1758.758627] __alloc_pages_nodemask+0x1425/0x2280 [ 1758.763519] ? __kernel_text_address+0x9/0x30 [ 1758.768030] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1758.772892] ? __lock_acquire+0x619/0x4320 [ 1758.777121] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1758.781614] ? kmemdup+0x20/0x50 [ 1758.784970] ? selinux_cred_prepare+0x3e/0x90 [ 1758.789494] ? new_slab+0x358/0x470 [ 1758.793146] new_slab+0x3c0/0x470 [ 1758.796623] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1758.801635] ? getname_flags+0xc4/0x540 [ 1758.805611] ? fs_reclaim_acquire+0x10/0x10 [ 1758.810402] ? check_preemption_disabled+0x34/0x1e0 [ 1758.815426] ? getname_flags+0xc4/0x540 [ 1758.819453] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1758.824947] ? getname_flags+0xc4/0x540 [ 1758.828910] kmem_cache_alloc+0x19e/0x2b0 [ 1758.833056] getname_flags+0xc4/0x540 [ 1758.836857] user_path_at_empty+0x28/0x80 [ 1758.841018] SyS_faccessat+0x20d/0x660 [ 1758.844934] ? SyS_fallocate+0x80/0x80 [ 1758.848820] ? do_syscall_64+0x43/0x4b0 [ 1758.852786] ? SyS_faccessat+0x660/0x660 [ 1758.856841] do_syscall_64+0x19b/0x4b0 [ 1758.860733] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1758.865960] RIP: 0033:0x7f413a3c43c7 [ 1758.869691] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1758.877428] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1758.884691] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1758.891949] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1758.899211] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1758.906479] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1758.929978] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1758.977107] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1758.983599] Call Trace: [ 1758.986184] dump_stack+0xb9/0x11b [ 1758.989740] warn_alloc.cold.35+0x9d/0x1b7 [ 1758.993969] ? zone_watermark_ok_safe+0x240/0x240 [ 1758.998809] ? usleep_range+0x130/0x130 [ 1759.002851] __alloc_pages_nodemask+0x1425/0x2280 [ 1759.007751] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1759.012599] ? __lock_acquire+0x619/0x4320 [ 1759.016850] ? __lock_acquire+0x619/0x4320 [ 1759.021088] ? __lock_acquire+0x619/0x4320 [ 1759.025332] ? new_slab+0x358/0x470 [ 1759.028953] new_slab+0x3c0/0x470 [ 1759.032409] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1759.037415] ? getname_flags+0xc4/0x540 [ 1759.041397] ? fs_reclaim_acquire+0x10/0x10 [ 1759.045715] ? check_preemption_disabled+0x34/0x1e0 [ 1759.050721] ? getname_flags+0xc4/0x540 [ 1759.054685] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1759.060129] ? getname_flags+0xc4/0x540 [ 1759.064139] kmem_cache_alloc+0x19e/0x2b0 [ 1759.068287] getname_flags+0xc4/0x540 [ 1759.072090] user_path_at_empty+0x28/0x80 [ 1759.076244] vfs_statx+0xe1/0x180 [ 1759.079691] ? vfs_statx_fd+0x90/0x90 [ 1759.083495] ? __might_fault+0x104/0x1b0 [ 1759.087548] ? lock_downgrade+0x560/0x560 [ 1759.091716] ? lock_acquire+0x10f/0x380 [ 1759.095679] ? __might_fault+0xd4/0x1b0 [ 1759.099666] SyS_newfstatat+0x89/0x100 [ 1759.103547] ? SyS_newlstat+0xf0/0xf0 [ 1759.107351] ? __might_fault+0x177/0x1b0 [ 1759.111417] ? SyS_getdents+0x1d0/0x270 [ 1759.115390] ? SyS_old_readdir+0x150/0x150 [ 1759.119615] ? compat_fillonedir+0x260/0x260 [ 1759.124026] ? do_syscall_64+0x43/0x4b0 [ 1759.127993] ? SyS_newlstat+0xf0/0xf0 [ 1759.131788] do_syscall_64+0x19b/0x4b0 [ 1759.135694] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1759.140874] RIP: 0033:0x7f7afb061e1a [ 1759.144571] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1759.152274] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1759.159531] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1759.166800] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1759.174075] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1759.181338] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1759.189740] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1759.196230] Call Trace: [ 1759.198865] dump_stack+0xb9/0x11b [ 1759.202410] warn_alloc.cold.35+0x9d/0x1b7 [ 1759.206638] ? zone_watermark_ok_safe+0x240/0x240 [ 1759.211494] ? usleep_range+0x130/0x130 [ 1759.215511] __alloc_pages_nodemask+0x1425/0x2280 [ 1759.220373] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1759.225219] ? __lock_acquire+0x619/0x4320 [ 1759.229459] ? check_preemption_disabled+0x34/0x1e0 [ 1759.234509] ? new_slab+0x358/0x470 [ 1759.238139] new_slab+0x3c0/0x470 [ 1759.241599] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1759.246610] ? getname_flags+0xc4/0x540 [ 1759.250584] ? fs_reclaim_acquire+0x10/0x10 [ 1759.254907] ? check_preemption_disabled+0x34/0x1e0 [ 1759.259936] ? getname_flags+0xc4/0x540 [ 1759.263905] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1759.269351] ? getname_flags+0xc4/0x540 [ 1759.273314] kmem_cache_alloc+0x19e/0x2b0 [ 1759.277467] getname_flags+0xc4/0x540 [ 1759.281271] user_path_at_empty+0x28/0x80 [ 1759.285415] vfs_statx+0xe1/0x180 [ 1759.288871] ? vfs_statx_fd+0x90/0x90 [ 1759.292663] ? mntput_no_expire+0xca/0x830 [ 1759.296922] SyS_newstat+0x81/0xf0 [ 1759.300480] ? SyS_fstat+0xe0/0xe0 [ 1759.304023] ? _raw_spin_unlock_irq+0x24/0x50 [ 1759.308530] ? trace_hardirqs_on_caller+0x381/0x520 [ 1759.313539] ? _raw_spin_unlock_irq+0x35/0x50 [ 1759.318041] ? task_work_run+0xec/0x190 [ 1759.322012] ? do_syscall_64+0x43/0x4b0 [ 1759.325984] ? SyS_fstat+0xe0/0xe0 [ 1759.329517] do_syscall_64+0x19b/0x4b0 [ 1759.333407] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1759.338589] RIP: 0033:0x7ff6b2c93c65 [ 1759.342289] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1759.349989] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1759.357266] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1759.364524] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1759.371815] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1759.379074] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1759.393165] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1759.399709] Call Trace: [ 1759.402286] dump_stack+0xb9/0x11b [ 1759.405853] warn_alloc.cold.35+0x9d/0x1b7 [ 1759.410097] ? zone_watermark_ok_safe+0x240/0x240 [ 1759.414929] ? usleep_range+0x130/0x130 [ 1759.418947] __alloc_pages_nodemask+0x1425/0x2280 [ 1759.423811] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1759.428653] ? __lock_acquire+0x619/0x4320 [ 1759.432877] ? __lock_acquire+0x619/0x4320 [ 1759.437152] ? __lock_acquire+0x619/0x4320 [ 1759.441408] ? new_slab+0x358/0x470 [ 1759.445029] new_slab+0x3c0/0x470 [ 1759.448503] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1759.453537] ? getname_flags+0xc4/0x540 [ 1759.457516] ? fs_reclaim_acquire+0x10/0x10 [ 1759.461835] ? check_preemption_disabled+0x34/0x1e0 [ 1759.466840] ? getname_flags+0xc4/0x540 [ 1759.470806] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1759.476253] ? getname_flags+0xc4/0x540 [ 1759.480218] kmem_cache_alloc+0x19e/0x2b0 [ 1759.484373] getname_flags+0xc4/0x540 [ 1759.488191] user_path_at_empty+0x28/0x80 [ 1759.492355] vfs_statx+0xe1/0x180 [ 1759.495820] ? vfs_statx_fd+0x90/0x90 [ 1759.499610] ? __might_fault+0x104/0x1b0 [ 1759.503694] ? lock_downgrade+0x560/0x560 [ 1759.507832] ? lock_acquire+0x10f/0x380 [ 1759.511803] ? __might_fault+0xd4/0x1b0 [ 1759.515793] SyS_newfstatat+0x89/0x100 [ 1759.519675] ? SyS_newlstat+0xf0/0xf0 [ 1759.523474] ? __might_fault+0x177/0x1b0 [ 1759.527532] ? SyS_getdents+0x1d0/0x270 [ 1759.531505] ? SyS_old_readdir+0x150/0x150 [ 1759.535738] ? compat_fillonedir+0x260/0x260 [ 1759.540154] ? do_syscall_64+0x43/0x4b0 [ 1759.544125] ? SyS_newlstat+0xf0/0xf0 [ 1759.547938] do_syscall_64+0x19b/0x4b0 [ 1759.551833] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1759.557015] RIP: 0033:0x7fe72a00be1a [ 1759.560719] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1759.568421] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1759.575691] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1759.582955] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1759.590218] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1759.597484] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1759.610064] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1759.616562] Call Trace: [ 1759.619148] dump_stack+0xb9/0x11b [ 1759.622705] warn_alloc.cold.35+0x9d/0x1b7 [ 1759.626951] ? zone_watermark_ok_safe+0x240/0x240 [ 1759.631809] ? usleep_range+0x130/0x130 [ 1759.635842] __alloc_pages_nodemask+0x1425/0x2280 [ 1759.640706] ? perf_trace_lock+0x11a/0x4c0 [ 1759.644944] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1759.649790] ? check_preemption_disabled+0x34/0x1e0 [ 1759.654811] ? __lock_acquire+0x619/0x4320 [ 1759.659077] ? new_slab+0x358/0x470 [ 1759.662703] new_slab+0x3c0/0x470 [ 1759.666160] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1759.671170] ? getname_flags+0xc4/0x540 [ 1759.675151] ? fs_reclaim_acquire+0x10/0x10 [ 1759.679477] ? check_preemption_disabled+0x34/0x1e0 [ 1759.684489] ? getname_flags+0xc4/0x540 [ 1759.688462] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1759.693907] ? getname_flags+0xc4/0x540 [ 1759.697876] kmem_cache_alloc+0x19e/0x2b0 [ 1759.702025] getname_flags+0xc4/0x540 [ 1759.705841] user_path_at_empty+0x28/0x80 [ 1759.710001] vfs_statx+0xe1/0x180 [ 1759.713462] ? vfs_statx_fd+0x90/0x90 [ 1759.717281] SyS_newstat+0x81/0xf0 [ 1759.720834] ? SyS_fstat+0xe0/0xe0 [ 1759.724382] ? up_read+0x17/0x30 [ 1759.727743] ? __do_page_fault+0x64c/0xb60 [ 1759.731978] ? do_syscall_64+0x43/0x4b0 [ 1759.735956] ? SyS_fstat+0xe0/0xe0 [ 1759.739511] do_syscall_64+0x19b/0x4b0 [ 1759.743428] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1759.748614] RIP: 0033:0x7f810d837c65 [ 1759.752330] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1759.760033] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1759.767298] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1759.774557] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1759.781819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1759.789086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1759.802614] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1759.809289] Call Trace: [ 1759.811871] dump_stack+0xb9/0x11b [ 1759.815412] warn_alloc.cold.35+0x9d/0x1b7 [ 1759.819646] ? zone_watermark_ok_safe+0x240/0x240 [ 1759.824491] ? usleep_range+0x130/0x130 [ 1759.828474] ? do_try_to_free_pages+0xde0/0xde0 [ 1759.833160] __alloc_pages_nodemask+0x1425/0x2280 [ 1759.838033] ? check_preemption_disabled+0x34/0x1e0 [ 1759.843047] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1759.847945] ? find_get_entry+0x118/0x550 [ 1759.852104] ? check_preemption_disabled+0x34/0x1e0 [ 1759.857107] ? check_preemption_disabled+0x34/0x1e0 [ 1759.862136] ? find_get_entry+0x13f/0x550 [ 1759.866315] ? pagecache_get_page+0x129/0x770 [ 1759.870814] filemap_fault+0xcdd/0x14a0 [ 1759.874801] ext4_filemap_fault+0x7d/0xb0 [ 1759.878961] __do_fault+0x80/0x210 [ 1759.882492] __handle_mm_fault+0x991/0x25f0 [ 1759.886811] ? vm_insert_page+0x6d0/0x6d0 [ 1759.890946] ? HARDIRQ_verbose+0x10/0x10 [ 1759.895008] ? HARDIRQ_verbose+0x10/0x10 [ 1759.899077] ? SyS_futex+0x249/0x2b5 [ 1759.902823] ? check_preemption_disabled+0x34/0x1e0 [ 1759.907836] handle_mm_fault+0x2f2/0x6eb [ 1759.911890] __do_page_fault+0x45d/0xb60 [ 1759.915963] ? retint_user+0x18/0x18 [ 1759.919669] ? bad_area_access_error+0x330/0x330 [ 1759.924417] ? page_fault+0x2c/0x50 [ 1759.928041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1759.932879] ? page_fault+0x2c/0x50 [ 1759.936522] page_fault+0x42/0x50 [ 1759.939961] RIP: 0020:0x13 [ 1759.942794] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1759.947971] warn_alloc: 13 callbacks suppressed [ 1759.947975] syz-executor4: [ 1760.040170] [22681] 0 22681 17651 8218 25 4 0 1000 syz-executor1 [ 1760.126347] lowmem_reserve[]: 0 3505 3505 [ 1760.151945] 10535 total pagecache pages [ 1760.155921] 0 pages in swap cache [ 1760.159356] Swap cache stats: add 0, delete 0, find 0/0 [ 1760.164874] page allocation stalls for 140540ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1760.223945] syz-executor4: page allocation stalls for 140030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1760.237307] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1760.278247] syz-executor5: page allocation stalls for 140110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1760.356706] [22692] 0 22692 17618 12677 31 3 0 1000 syz-executor5 [ 1760.383912] syz-executor0: page allocation stalls for 140010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1760.424789] CPU: 1 PID: 9279 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1760.431726] Call Trace: [ 1760.434325] dump_stack+0xb9/0x11b [ 1760.437884] warn_alloc.cold.35+0x9d/0x1b7 [ 1760.442112] ? zone_watermark_ok_safe+0x240/0x240 [ 1760.447039] __alloc_pages_nodemask+0x1425/0x2280 [ 1760.451896] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1760.456818] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1760.461663] ? copy_process.part.6+0x1435/0x6530 [ 1760.466480] ? rcu_read_lock_sched_held+0x102/0x120 [ 1760.471528] copy_process.part.6+0x267/0x6530 [ 1760.476042] ? check_preemption_disabled+0x34/0x1e0 [ 1760.481079] ? perf_trace_lock+0x11a/0x4c0 [ 1760.485311] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1760.490256] ? __cleanup_sighand+0x40/0x40 [ 1760.494487] ? change_protection+0x50/0x50 [ 1760.498728] ? SyS_mprotect+0x44a/0x610 [ 1760.502748] _do_fork+0x1c2/0xd50 [ 1760.506220] ? fork_idle+0x250/0x250 [ 1760.509948] ? mprotect_fixup+0x800/0x800 [ 1760.514113] ? do_syscall_64+0x43/0x4b0 [ 1760.518101] ? sys_vfork+0x20/0x20 [ 1760.521630] do_syscall_64+0x19b/0x4b0 [ 1760.525526] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1760.530711] RIP: 0033:0x45a049 [ 1760.533893] RSP: 002b:00007ffe88de5198 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1760.541594] RAX: ffffffffffffffda RBX: 00007f6a76708700 RCX: 000000000045a049 [ 1760.548857] RDX: 00007f6a767089d0 RSI: 00007f6a76707db0 RDI: 00000000003d0f00 [ 1760.556145] RBP: 00007ffe88de53a0 R08: 00007f6a76708700 R09: 00007f6a76708700 [ 1760.563404] R10: 00007f6a767089d0 R11: 0000000000000202 R12: 0000000000000000 [ 1760.570663] R13: 00007ffe88de524f R14: 00007f6a767089c0 R15: 000000000072c18c [ 1760.603908] Free swap = 0kB [ 1760.606943] Total swap = 0kB [ 1760.609966] 1965979 pages RAM [ 1760.620092] CPU: 1 PID: 1842 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1760.627019] Call Trace: [ 1760.629604] dump_stack+0xb9/0x11b [ 1760.633147] warn_alloc.cold.35+0x9d/0x1b7 [ 1760.637379] ? zone_watermark_ok_safe+0x240/0x240 [ 1760.642221] ? usleep_range+0x130/0x130 [ 1760.646244] __alloc_pages_nodemask+0x1425/0x2280 [ 1760.651122] ? finish_task_switch+0x1e6/0x610 [ 1760.655621] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1760.660469] ? __lock_acquire+0x619/0x4320 [ 1760.664713] ? finish_task_switch+0x1bd/0x610 [ 1760.669212] ? __lock_acquire+0x619/0x4320 [ 1760.673457] ? _raw_spin_unlock_irq+0x35/0x50 [ 1760.678111] ? finish_task_switch+0x1e6/0x610 [ 1760.682631] ? new_slab+0x358/0x470 [ 1760.686269] new_slab+0x3c0/0x470 [ 1760.689732] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1760.694759] ? getname_flags+0xc4/0x540 [ 1760.698741] ? fs_reclaim_acquire+0x10/0x10 [ 1760.703085] ? check_preemption_disabled+0x34/0x1e0 [ 1760.708096] ? getname_flags+0xc4/0x540 [ 1760.712081] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1760.717531] ? getname_flags+0xc4/0x540 [ 1760.721499] kmem_cache_alloc+0x19e/0x2b0 [ 1760.725649] getname_flags+0xc4/0x540 [ 1760.729462] do_sys_open+0x1ea/0x580 [ 1760.733185] ? filp_open+0x60/0x60 [ 1760.736723] ? SyS_nanosleep+0x138/0x190 [ 1760.740779] ? hrtimer_nanosleep+0x470/0x470 [ 1760.745194] ? do_syscall_64+0x43/0x4b0 [ 1760.749176] ? do_sys_open+0x580/0x580 [ 1760.753061] do_syscall_64+0x19b/0x4b0 [ 1760.756969] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1760.762151] RIP: 0033:0x455680 [ 1760.765332] RSP: 002b:00007fffed769380 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1760.773032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1760.780309] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1760.787566] RBP: 0000000000000b38 R08: 0000000000000001 R09: 00000000015ef940 [ 1760.794825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001e [ 1760.802090] R13: 000000000018ad11 R14: 000000000000029b R15: 0000000000000000 [ 1760.811043] lowmem_reserve[]: 0 0 0 [ 1760.814713] DMA32: 112*4kB (MH) 65*8kB (MH) 769*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15576kB [ 1760.834184] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1760.841108] Call Trace: [ 1760.843688] dump_stack+0xb9/0x11b [ 1760.847250] warn_alloc.cold.35+0x9d/0x1b7 [ 1760.851481] ? zone_watermark_ok_safe+0x240/0x240 [ 1760.856339] ? usleep_range+0x130/0x130 [ 1760.860348] __alloc_pages_nodemask+0x1425/0x2280 [ 1760.865205] ? finish_task_switch+0x1e6/0x610 [ 1760.869697] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1760.874546] ? __lock_acquire+0x619/0x4320 [ 1760.878788] ? finish_task_switch+0x1bd/0x610 [ 1760.883282] ? __lock_acquire+0x619/0x4320 [ 1760.887512] ? _raw_spin_unlock_irq+0x35/0x50 [ 1760.891999] ? finish_task_switch+0x1e6/0x610 [ 1760.896515] ? new_slab+0x358/0x470 [ 1760.900140] new_slab+0x3c0/0x470 [ 1760.903600] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1760.908609] ? getname_flags+0xc4/0x540 [ 1760.912589] ? fs_reclaim_acquire+0x10/0x10 [ 1760.916956] ? check_preemption_disabled+0x34/0x1e0 [ 1760.921969] ? getname_flags+0xc4/0x540 [ 1760.925946] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1760.931402] ? getname_flags+0xc4/0x540 [ 1760.935369] kmem_cache_alloc+0x19e/0x2b0 [ 1760.939512] getname_flags+0xc4/0x540 [ 1760.943318] do_sys_open+0x1ea/0x580 [ 1760.947035] ? filp_open+0x60/0x60 [ 1760.950576] ? SyS_nanosleep+0x138/0x190 [ 1760.954627] ? hrtimer_nanosleep+0x470/0x470 [ 1760.959034] ? do_syscall_64+0x43/0x4b0 [ 1760.962998] ? do_sys_open+0x580/0x580 [ 1760.966910] do_syscall_64+0x19b/0x4b0 [ 1760.970805] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1760.975983] RIP: 0033:0x455680 [ 1760.979167] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1760.986899] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1760.994190] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1761.001461] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1761.008721] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1761.015999] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1761.038926] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1761.045861] Call Trace: [ 1761.048457] dump_stack+0xb9/0x11b [ 1761.052004] warn_alloc.cold.35+0x9d/0x1b7 [ 1761.056237] ? zone_watermark_ok_safe+0x240/0x240 [ 1761.061080] ? usleep_range+0x130/0x130 [ 1761.065098] __alloc_pages_nodemask+0x1425/0x2280 [ 1761.069975] ? finish_task_switch+0x1e6/0x610 [ 1761.074494] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1761.079336] ? __lock_acquire+0x619/0x4320 [ 1761.083566] ? finish_task_switch+0x1bd/0x610 [ 1761.088066] ? __lock_acquire+0x619/0x4320 [ 1761.092295] ? _raw_spin_unlock_irq+0x35/0x50 [ 1761.096782] ? finish_task_switch+0x1e6/0x610 [ 1761.101323] ? new_slab+0x358/0x470 [ 1761.104951] new_slab+0x3c0/0x470 [ 1761.108410] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1761.113424] ? getname_flags+0xc4/0x540 [ 1761.117413] ? fs_reclaim_acquire+0x10/0x10 [ 1761.121749] ? check_preemption_disabled+0x34/0x1e0 [ 1761.126778] ? getname_flags+0xc4/0x540 [ 1761.130762] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1761.136211] ? getname_flags+0xc4/0x540 [ 1761.140184] kmem_cache_alloc+0x19e/0x2b0 [ 1761.144331] getname_flags+0xc4/0x540 [ 1761.148144] do_sys_open+0x1ea/0x580 [ 1761.151871] ? filp_open+0x60/0x60 [ 1761.155415] ? SyS_nanosleep+0x138/0x190 [ 1761.159481] ? hrtimer_nanosleep+0x470/0x470 [ 1761.163903] ? do_syscall_64+0x43/0x4b0 [ 1761.167872] ? do_sys_open+0x580/0x580 [ 1761.171775] do_syscall_64+0x19b/0x4b0 [ 1761.175673] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1761.180868] RIP: 0033:0x455680 [ 1761.184054] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1761.191771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1761.199035] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1761.206314] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1761.213578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1761.220872] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1761.256778] [22721] 0 22721 17651 8218 25 4 0 1000 syz-executor1 [ 1761.334901] 0 pages HighMem/MovableOnly [ 1761.338900] 315641 pages reserved [ 1761.402662] [22738] 0 22738 17618 12677 31 3 0 1000 syz-executor5 [ 1761.470071] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1761.502654] lowmem_reserve[]: 0 0 0 [ 1761.506308] DMA32: 112*4kB (MH) 65*8kB (MH) 769*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15576kB [ 1761.547888] rs:main Q:Reg: page allocation stalls for 103300ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1761.590097] [22765] 0 22765 17618 8249 26 4 0 1000 syz-executor2 [ 1761.599579] [22793] 0 22793 17618 8234 25 4 0 0 syz-executor4 [ 1761.702683] 10535 total pagecache pages [ 1761.706700] 0 pages in swap cache [ 1761.759784] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1761.766735] Call Trace: [ 1761.769322] dump_stack+0xb9/0x11b [ 1761.772880] warn_alloc.cold.35+0x9d/0x1b7 [ 1761.777113] ? zone_watermark_ok_safe+0x240/0x240 [ 1761.781956] ? usleep_range+0x130/0x130 [ 1761.785938] ? do_try_to_free_pages+0xde0/0xde0 [ 1761.790638] __alloc_pages_nodemask+0x1425/0x2280 [ 1761.795546] ? check_preemption_disabled+0x34/0x1e0 [ 1761.800594] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1761.805435] ? find_get_entry+0x118/0x550 [ 1761.809592] ? check_preemption_disabled+0x34/0x1e0 [ 1761.814607] ? check_preemption_disabled+0x34/0x1e0 [ 1761.819631] ? find_get_entry+0x13f/0x550 [ 1761.823790] ? pagecache_get_page+0x129/0x770 [ 1761.828295] filemap_fault+0xcdd/0x14a0 [ 1761.832305] ext4_filemap_fault+0x7d/0xb0 [ 1761.836480] __do_fault+0x80/0x210 [ 1761.840021] __handle_mm_fault+0x991/0x25f0 [ 1761.844366] ? vm_insert_page+0x6d0/0x6d0 [ 1761.848503] ? HARDIRQ_verbose+0x10/0x10 [ 1761.852555] ? HARDIRQ_verbose+0x10/0x10 [ 1761.856646] ? check_preemption_disabled+0x34/0x1e0 [ 1761.861668] handle_mm_fault+0x2f2/0x6eb [ 1761.865731] __do_page_fault+0x45d/0xb60 [ 1761.869795] ? retint_user+0x18/0x18 [ 1761.873505] ? bad_area_access_error+0x330/0x330 [ 1761.878262] ? page_fault+0x2c/0x50 [ 1761.881881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1761.886728] ? page_fault+0x2c/0x50 [ 1761.890353] page_fault+0x42/0x50 [ 1761.893795] RIP: 0000:0x5 [ 1761.896544] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1761.924908] Normal: [ 1761.941109] warn_alloc_show_mem: 2 callbacks suppressed [ 1761.941113] Mem-Info: [ 1761.966945] Swap cache stats: add 0, delete 0, find 0/0 [ 1762.010161] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1762.010161] active_file:58 inactive_file:83 isolated_file:0 [ 1762.010161] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1762.010161] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1762.010161] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1762.010161] free:4355 free_pcp:8 free_cma:0 [ 1762.052872] 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1762.082065] [22794] 0 22794 17618 12677 31 3 0 1000 syz-executor5 [ 1762.105163] Free swap = 0kB [ 1762.108217] Total swap = 0kB [ 1762.192010] 1965979 pages RAM [ 1762.195158] 0 pages HighMem/MovableOnly [ 1762.199122] 315641 pages reserved [ 1762.233727] [22857] 0 22857 17618 12677 31 3 0 1000 syz-executor5 [ 1762.265278] 10535 total pagecache pages [ 1762.269273] 0 pages in swap cache [ 1762.296676] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1762.404425] Swap cache stats: add 0, delete 0, find 0/0 [ 1762.409816] Free swap = 0kB [ 1762.412903] [22932] 0 22932 17618 12677 31 3 0 1000 syz-executor5 [ 1762.463560] modprobe: page allocation stalls for 144300ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1762.481175] DMA32 free:15576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB [ 1762.577869] Total swap = 0kB [ 1762.595258] [23007] 0 23007 17618 12677 31 3 0 1000 syz-executor5 [ 1762.632645] 1965979 pages RAM [ 1762.635756] 0 pages HighMem/MovableOnly [ 1762.639720] 315641 pages reserved [ 1762.672087] syz-executor3: page allocation stalls for 144410ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1762.700121] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1762.706616] Call Trace: [ 1762.709205] dump_stack+0xb9/0x11b [ 1762.712748] warn_alloc.cold.35+0x9d/0x1b7 [ 1762.716984] ? zone_watermark_ok_safe+0x240/0x240 [ 1762.721828] ? usleep_range+0x130/0x130 [ 1762.725844] __alloc_pages_nodemask+0x1425/0x2280 [ 1762.730705] ? __kernel_text_address+0x9/0x30 [ 1762.735197] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1762.740040] ? __lock_acquire+0x619/0x4320 [ 1762.744273] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1762.748780] ? kmemdup+0x20/0x50 [ 1762.752138] ? selinux_cred_prepare+0x3e/0x90 [ 1762.756641] ? new_slab+0x358/0x470 [ 1762.760270] new_slab+0x3c0/0x470 [ 1762.763742] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1762.768765] ? getname_flags+0xc4/0x540 [ 1762.772742] ? fs_reclaim_acquire+0x10/0x10 [ 1762.777066] ? check_preemption_disabled+0x34/0x1e0 [ 1762.782115] ? getname_flags+0xc4/0x540 [ 1762.786105] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1762.791575] ? getname_flags+0xc4/0x540 [ 1762.795542] kmem_cache_alloc+0x19e/0x2b0 [ 1762.799699] getname_flags+0xc4/0x540 [ 1762.803502] user_path_at_empty+0x28/0x80 [ 1762.807651] SyS_faccessat+0x20d/0x660 [ 1762.812057] ? SyS_fallocate+0x80/0x80 [ 1762.815948] ? do_syscall_64+0x43/0x4b0 [ 1762.819922] ? SyS_faccessat+0x660/0x660 [ 1762.823984] do_syscall_64+0x19b/0x4b0 [ 1762.827881] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1762.833065] RIP: 0033:0x7fd4ad02d267 [ 1762.836768] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1762.844491] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1762.851752] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1762.859014] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1762.866278] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1762.873539] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1762.895656] lowmem_reserve[]: 0 3505 3505 [ 1762.899877] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1762.953490] warn_alloc_show_mem: 2 callbacks suppressed [ 1762.953494] Mem-Info: [ 1762.986443] [23029] 0 23029 17585 8231 25 4 0 1000 syz-executor3 [ 1762.998141] modprobe: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1763.007359] CPU: 1 PID: 9321 Comm: modprobe Not tainted 4.14.87+ #21 [ 1763.013847] Call Trace: [ 1763.016426] [ 1763.018597] dump_stack+0xb9/0x11b [ 1763.022140] warn_alloc.cold.35+0x9d/0x1b7 [ 1763.026372] ? zone_watermark_ok_safe+0x240/0x240 [ 1763.031213] ? lock_downgrade+0x560/0x560 [ 1763.035422] __alloc_pages_nodemask+0x19f4/0x2280 [ 1763.040285] ? check_preemption_disabled+0x34/0x1e0 [ 1763.045300] ? perf_trace_lock+0x11a/0x4c0 [ 1763.049529] ? check_preemption_disabled+0x34/0x1e0 [ 1763.054542] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1763.059377] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1763.064311] ? __lock_acquire+0x619/0x4320 [ 1763.068553] ? __lock_acquire+0x619/0x4320 [ 1763.072802] ? check_preemption_disabled+0x34/0x1e0 [ 1763.077816] ? __lock_acquire+0x619/0x4320 [ 1763.082492] ? check_preemption_disabled+0x34/0x1e0 [ 1763.087515] new_slab+0x3c0/0x470 [ 1763.090976] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1763.095985] ? trace_hardirqs_on+0x10/0x10 [ 1763.100215] ? __build_skb+0x30/0x2c0 [ 1763.104038] ? check_preemption_disabled+0x34/0x1e0 [ 1763.109054] ? perf_trace_lock+0x11a/0x4c0 [ 1763.113294] ? check_preemption_disabled+0x34/0x1e0 [ 1763.118313] ? check_preemption_disabled+0x34/0x1e0 [ 1763.123327] ? __build_skb+0x30/0x2c0 [ 1763.127139] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1763.132587] ? __build_skb+0x30/0x2c0 [ 1763.136380] kmem_cache_alloc+0x19e/0x2b0 [ 1763.140535] __build_skb+0x30/0x2c0 [ 1763.144171] __napi_alloc_skb+0x1ca/0x300 [ 1763.148323] page_to_skb.isra.18+0xa3/0x690 [ 1763.152655] receive_buf+0x1721/0x42c0 [ 1763.156561] ? virtnet_xdp_xmit.isra.20+0x710/0x710 [ 1763.161583] ? vring_unmap_one+0x15/0x3d0 [ 1763.165732] ? detach_buf+0x422/0x580 [ 1763.169548] ? virtqueue_get_buf_ctx+0x3e9/0x6b0 [ 1763.174315] virtnet_poll+0x2af/0x910 [ 1763.178121] ? virtnet_restore+0x8d0/0x8d0 [ 1763.182355] ? check_preemption_disabled+0x34/0x1e0 [ 1763.187373] ? mark_held_locks+0xc2/0x130 [ 1763.191522] ? net_rx_action+0x21a/0xce0 [ 1763.195588] net_rx_action+0x371/0xce0 [ 1763.199495] ? napi_complete_done+0x3a0/0x3a0 [ 1763.204024] __do_softirq+0x20d/0x9bd [ 1763.207831] ? check_preemption_disabled+0x34/0x1e0 [ 1763.212854] irq_exit+0x117/0x150 [ 1763.216302] do_IRQ+0x101/0x1b0 [ 1763.219588] common_interrupt+0x84/0x84 [ 1763.223553] [ 1763.225805] RIP: 0010:lock_release+0x3d0/0x720 [ 1763.230376] RSP: 0000:ffff88809a497310 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff4e [ 1763.238080] RAX: 0000000000000007 RBX: 1ffff11013492e65 RCX: 1ffff11039989104 [ 1763.245340] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000246 [ 1763.252632] RBP: ffff8881ccc48000 R08: 0000000000000001 R09: 0000000000000000 [ 1763.259940] R10: ffff8881ccc48858 R11: 0000000000000001 R12: 0000000000000001 [ 1763.267211] R13: ffff8881ccc48828 R14: b3db62fefa62f140 R15: ffff8881ccc48000 [ 1763.274515] ? list_lru_count_one+0x12d/0x1d0 [ 1763.279012] ? lock_downgrade+0x560/0x560 [ 1763.283170] ? lock_acquire+0x10f/0x380 [ 1763.287185] ? list_lru_count_one+0x7f/0x1d0 [ 1763.291636] _raw_spin_unlock+0x17/0x40 [ 1763.295604] list_lru_count_one+0x12d/0x1d0 [ 1763.299940] super_cache_count+0x139/0x2a0 [ 1763.304170] ? ext4_es_count+0x9d/0x350 [ 1763.308148] shrink_slab.part.8+0x25c/0xa30 [ 1763.312472] ? check_preemption_disabled+0x34/0x1e0 [ 1763.317510] ? unregister_shrinker+0x210/0x210 [ 1763.322098] ? mem_cgroup_iter+0x52b/0xcb0 [ 1763.326340] shrink_node+0x8c8/0xbf0 [ 1763.330082] ? shrink_node_memcg+0x12e0/0x12e0 [ 1763.334666] ? check_preemption_disabled+0x34/0x1e0 [ 1763.339704] ? ktime_get+0x17f/0x1c0 [ 1763.343426] do_try_to_free_pages+0x349/0xde0 [ 1763.347953] ? shrink_node+0xbf0/0xbf0 [ 1763.351847] try_to_free_pages+0x204/0x6b0 [ 1763.356095] ? get_page_from_freelist+0x894/0x1ea0 [ 1763.361031] ? do_try_to_free_pages+0xde0/0xde0 [ 1763.365766] __alloc_pages_nodemask+0xaf2/0x2280 [ 1763.370559] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1763.375423] ? __lock_acquire+0x619/0x4320 [ 1763.379657] ? check_preemption_disabled+0x34/0x1e0 [ 1763.384692] ? new_slab+0x358/0x470 [ 1763.388314] new_slab+0x3c0/0x470 [ 1763.391770] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1763.396782] ? getname_flags+0xc4/0x540 [ 1763.400770] ? fs_reclaim_acquire+0x10/0x10 [ 1763.405090] ? check_preemption_disabled+0x34/0x1e0 [ 1763.410097] ? getname_flags+0xc4/0x540 [ 1763.414073] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1763.419516] ? getname_flags+0xc4/0x540 [ 1763.423481] kmem_cache_alloc+0x19e/0x2b0 [ 1763.427631] getname_flags+0xc4/0x540 [ 1763.431435] user_path_at_empty+0x28/0x80 [ 1763.435588] vfs_statx+0xe1/0x180 [ 1763.439037] ? vfs_statx_fd+0x90/0x90 [ 1763.442829] ? mntput_no_expire+0xca/0x830 [ 1763.447071] SyS_newstat+0x81/0xf0 [ 1763.450604] ? SyS_fstat+0xe0/0xe0 [ 1763.454143] ? _raw_spin_unlock_irq+0x24/0x50 [ 1763.458631] ? trace_hardirqs_on_caller+0x381/0x520 [ 1763.463657] ? _raw_spin_unlock_irq+0x35/0x50 [ 1763.468141] ? task_work_run+0xec/0x190 [ 1763.472114] ? do_syscall_64+0x43/0x4b0 [ 1763.476086] ? SyS_fstat+0xe0/0xe0 [ 1763.479623] do_syscall_64+0x19b/0x4b0 [ 1763.483517] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1763.488702] RIP: 0033:0x7f5976a38c65 [ 1763.492410] RSP: 002b:00007fff28bf3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1763.500120] RAX: ffffffffffffffda RBX: 00007f5976d04481 RCX: 00007f5976a38c65 [ 1763.507380] RDX: 00007fff28bf3e80 RSI: 00007fff28bf3e80 RDI: 00007f5976d04481 [ 1763.514639] RBP: 00007f5976f092f0 R08: 00007f5976cefef8 R09: 00007f5976a8c070 [ 1763.521928] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f4d17c160 [ 1763.529187] R13: 00007fff28bf3fb3 R14: 0000000000000010 R15: 00055facc785c680 [ 1763.536498] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1763.544112] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1763.553895] node 0: slabs: 2275, objs: 27300, free: 0 [ 1763.574763] kthreadd: page allocation stalls for 145380ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1763.586770] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1763.586770] active_file:58 inactive_file:83 isolated_file:0 [ 1763.586770] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1763.586770] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1763.586770] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1763.586770] free:4355 free_pcp:8 free_cma:0 [ 1763.686884] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1763.693847] Call Trace: [ 1763.696438] dump_stack+0xb9/0x11b [ 1763.699993] warn_alloc.cold.35+0x9d/0x1b7 [ 1763.704231] ? zone_watermark_ok_safe+0x240/0x240 [ 1763.709081] ? usleep_range+0x130/0x130 [ 1763.713098] __alloc_pages_nodemask+0x1425/0x2280 [ 1763.717975] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1763.722835] ? __lock_acquire+0x619/0x4320 [ 1763.727066] ? kasan_slab_free+0xac/0x190 [ 1763.731207] ? kmem_cache_free+0x12d/0x350 [ 1763.735435] ? putname+0xcf/0x100 [ 1763.738898] ? do_rmdir+0x161/0x3a0 [ 1763.742548] ? do_syscall_64+0x19b/0x4b0 [ 1763.746632] ? new_slab+0x358/0x470 [ 1763.750263] new_slab+0x3c0/0x470 [ 1763.753721] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1763.758734] ? getname_flags+0xc4/0x540 [ 1763.762715] ? fs_reclaim_acquire+0x10/0x10 [ 1763.767087] ? check_preemption_disabled+0x34/0x1e0 [ 1763.772114] ? getname_flags+0xc4/0x540 [ 1763.776082] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1763.781529] ? getname_flags+0xc4/0x540 [ 1763.785501] kmem_cache_alloc+0x19e/0x2b0 [ 1763.789664] getname_flags+0xc4/0x540 [ 1763.793466] ? task_work_run+0x6a/0x190 [ 1763.797446] SyS_mkdirat+0x8d/0x220 [ 1763.801101] ? trace_hardirqs_on_caller+0x381/0x520 [ 1763.806109] ? SyS_mknod+0x30/0x30 [ 1763.809648] ? do_syscall_64+0x43/0x4b0 [ 1763.813620] ? SyS_mkdirat+0x220/0x220 [ 1763.817507] do_syscall_64+0x19b/0x4b0 [ 1763.821403] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1763.826583] RIP: 0033:0x456a97 [ 1763.829780] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1763.837509] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1763.844799] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1763.852071] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1763.859329] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1763.866587] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1763.886659] syz-executor2: page allocation stalls for 145610ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1763.928595] [23040] 0 23040 17585 8198 24 3 0 1000 syz-executor1 [ 1763.940111] lowmem_reserve[]: 0 0 0 [ 1763.943752] DMA32: 112*4kB (MH) 65*8kB (MH) 769*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15576kB [ 1763.999333] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1764.005567] Call Trace: [ 1764.008154] dump_stack+0xb9/0x11b [ 1764.011714] warn_alloc.cold.35+0x9d/0x1b7 [ 1764.015978] ? zone_watermark_ok_safe+0x240/0x240 [ 1764.020881] __alloc_pages_nodemask+0x1425/0x2280 [ 1764.025754] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1764.030678] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1764.035530] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1764.040717] ? copy_process.part.6+0x1435/0x6530 [ 1764.045507] ? rcu_read_lock_sched_held+0x102/0x120 [ 1764.050524] copy_process.part.6+0x267/0x6530 [ 1764.055037] ? __lock_acquire+0x619/0x4320 [ 1764.059276] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1764.064409] ? kthread_create_on_node+0xe0/0xe0 [ 1764.069074] ? __cleanup_sighand+0x40/0x40 [ 1764.073324] ? perf_trace_lock+0x11a/0x4c0 [ 1764.077551] ? check_preemption_disabled+0x34/0x1e0 [ 1764.082563] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1764.087493] _do_fork+0x1c2/0xd50 [ 1764.090942] ? kthread_create_on_node+0xe0/0xe0 [ 1764.095606] ? fork_idle+0x250/0x250 [ 1764.099318] ? kthreadd+0x28a/0x3d0 [ 1764.102938] ? lock_downgrade+0x560/0x560 [ 1764.107074] ? lock_acquire+0x10f/0x380 [ 1764.111038] ? kthreadd+0x1c4/0x3d0 [ 1764.114683] ? kthread_create_on_node+0xe0/0xe0 [ 1764.119342] kernel_thread+0x2f/0x40 [ 1764.123056] kthreadd+0x29e/0x3d0 [ 1764.126510] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1764.131267] ? finish_task_switch+0x1e6/0x610 [ 1764.135759] ? __switch_to_asm+0x34/0x70 [ 1764.139814] ? __switch_to_asm+0x40/0x70 [ 1764.143869] ? __switch_to_asm+0x34/0x70 [ 1764.147923] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1764.152675] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1764.157441] ret_from_fork+0x3a/0x50 [ 1764.181747] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:328kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1764.234236] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1764.267078] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1764.274150] Call Trace: [ 1764.276732] dump_stack+0xb9/0x11b [ 1764.280287] warn_alloc.cold.35+0x9d/0x1b7 [ 1764.284512] ? zone_watermark_ok_safe+0x240/0x240 [ 1764.289347] ? usleep_range+0x130/0x130 [ 1764.293355] __alloc_pages_nodemask+0x1425/0x2280 [ 1764.298210] ? debug_check_no_obj_freed+0x150/0x77c [ 1764.303220] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1764.308072] ? __lock_acquire+0x619/0x4320 [ 1764.312306] ? __lock_acquire+0x619/0x4320 [ 1764.316532] ? lock_acquire+0x10f/0x380 [ 1764.320499] ? avc_has_perm+0x9e/0x390 [ 1764.324464] ? new_slab+0x358/0x470 [ 1764.328088] new_slab+0x3c0/0x470 [ 1764.331562] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1764.336575] ? __might_fault+0x104/0x1b0 [ 1764.340628] ? getname_flags+0xc4/0x540 [ 1764.344607] ? fs_reclaim_acquire+0x10/0x10 [ 1764.348928] ? check_preemption_disabled+0x34/0x1e0 [ 1764.353936] ? getname_flags+0xc4/0x540 [ 1764.357906] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1764.363353] ? getname_flags+0xc4/0x540 [ 1764.367320] kmem_cache_alloc+0x19e/0x2b0 [ 1764.371470] getname_flags+0xc4/0x540 [ 1764.375269] ? SyS_unlinkat+0x70/0x70 [ 1764.379079] do_unlinkat+0xc9/0x650 [ 1764.382705] ? do_rmdir+0x3a0/0x3a0 [ 1764.386337] ? SyS_newlstat+0x92/0xf0 [ 1764.390147] ? SyS_newstat+0xf0/0xf0 [ 1764.393903] ? do_syscall_64+0x43/0x4b0 [ 1764.397871] ? SyS_unlinkat+0x70/0x70 [ 1764.401662] do_syscall_64+0x19b/0x4b0 [ 1764.405584] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1764.410761] RIP: 0033:0x4573c7 [ 1764.413957] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1764.421661] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1764.428925] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1764.436184] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1764.443443] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1764.450709] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1764.464363] [23045] 0 23045 17618 8200 24 3 0 1000 syz-executor1 [ 1764.509068] 10535 total pagecache pages [ 1764.535320] 0 pages in swap cache [ 1764.538788] Swap cache stats: add 0, delete 0, find 0/0 [ 1764.557917] DMA32 free:15576kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB [ 1764.617553] Free swap = 0kB [ 1764.620715] Total swap = 0kB [ 1764.623735] 1965979 pages RAM [ 1764.626855] 0 pages HighMem/MovableOnly [ 1764.650184] [23051] 0 23051 17717 8243 25 4 0 0 syz-executor4 [ 1764.659645] [23069] 0 23069 17618 12677 31 3 0 1000 syz-executor5 [ 1764.684372] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1764.692001] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1764.701000] node 0: slabs: 32586, objs: 586548, free: 0 [ 1764.743696] 315641 pages reserved [ 1764.799740] lowmem_reserve[]: 0 3505 3505 [ 1764.809887] warn_alloc_show_mem: 1 callbacks suppressed [ 1764.809891] Mem-Info: [ 1764.837145] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1764.916175] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1764.916175] active_file:58 inactive_file:82 isolated_file:0 [ 1764.916175] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1764.916175] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1764.916175] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1764.916175] free:4355 free_pcp:8 free_cma:0 [ 1765.034958] [23159] 0 23159 17618 12677 31 3 0 1000 syz-executor5 [ 1765.085463] lowmem_reserve[]: 0 0 0 [ 1765.089117] DMA32: 112*4kB (MH) 65*8kB (MH) 769*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15576kB [ 1765.131480] warn_alloc: 1 callbacks suppressed [ 1765.131499] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1765.145726] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1765.152726] Call Trace: [ 1765.155318] dump_stack+0xb9/0x11b [ 1765.158862] warn_alloc.cold.35+0x9d/0x1b7 [ 1765.163106] ? zone_watermark_ok_safe+0x240/0x240 [ 1765.167960] ? __lock_acquire+0x619/0x4320 [ 1765.172215] __alloc_pages_nodemask+0x19f4/0x2280 [ 1765.177087] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1765.181931] ? perf_trace_lock+0x11a/0x4c0 [ 1765.186161] ? trace_hardirqs_on+0x10/0x10 [ 1765.190411] ? HARDIRQ_verbose+0x10/0x10 [ 1765.194489] ? check_preemption_disabled+0x34/0x1e0 [ 1765.199524] new_slab+0x3c0/0x470 [ 1765.203004] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1765.208032] ? __sigqueue_alloc+0x1d9/0x400 [ 1765.212351] ? check_preemption_disabled+0x34/0x1e0 [ 1765.217383] ? check_preemption_disabled+0x34/0x1e0 [ 1765.222398] ? __sigqueue_alloc+0x1d9/0x400 [ 1765.226728] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1765.232174] ? __sigqueue_alloc+0x1d9/0x400 [ 1765.236491] kmem_cache_alloc+0x19e/0x2b0 [ 1765.240640] __sigqueue_alloc+0x1d9/0x400 [ 1765.244791] __send_signal+0x1b0/0x1200 [ 1765.248780] force_sig_info+0x241/0x340 [ 1765.252769] force_sig_info_fault.constprop.7+0x129/0x210 [ 1765.258307] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1765.263421] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1765.268364] ? bad_area_access_error+0x1de/0x330 [ 1765.273157] __bad_area_nosemaphore+0x192/0x280 [ 1765.277851] bad_area_access_error+0x1ff/0x330 [ 1765.282428] ? mm_fault_error+0x2b0/0x2b0 [ 1765.286591] ? vmacache_find+0x50/0x250 [ 1765.290571] __do_page_fault+0x6d0/0xb60 [ 1765.294649] ? retint_user+0x18/0x18 [ 1765.298374] ? bad_area_access_error+0x330/0x330 [ 1765.303123] ? page_fault+0x2c/0x50 [ 1765.306738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1765.311599] ? page_fault+0x2c/0x50 [ 1765.315222] page_fault+0x42/0x50 [ 1765.318688] RIP: 4c59bd:0x4da048 [ 1765.322040] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1765.322086] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1765.335387] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1765.344384] node 0: slabs: 32586, objs: 586548, free: 0 [ 1765.427868] [23229] 0 23229 17618 12677 31 3 0 1000 syz-executor5 [ 1765.437428] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1765.532184] 10535 total pagecache pages [ 1765.536173] 0 pages in swap cache [ 1765.539614] Swap cache stats: add 0, delete 0, find 0/0 [ 1765.608773] [23302] 0 23302 17618 12677 31 3 0 1000 syz-executor5 [ 1765.628918] Free swap = 0kB [ 1765.632075] Total swap = 0kB [ 1765.635093] 1965979 pages RAM [ 1765.638186] 0 pages HighMem/MovableOnly [ 1765.721278] 315641 pages reserved [ 1765.765479] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1765.795005] [23354] 0 23354 17618 12677 31 3 0 1000 syz-executor5 [ 1765.960160] warn_alloc_show_mem: 3 callbacks suppressed [ 1765.960164] Mem-Info: [ 1765.967961] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1765.967961] active_file:58 inactive_file:83 isolated_file:0 [ 1765.967961] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1765.967961] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1765.967961] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1765.967961] free:4355 free_pcp:0 free_cma:0 [ 1766.074845] [23428] 0 23428 17585 8198 24 3 0 1000 syz-executor3 [ 1766.292231] [23437] 0 23437 17618 12677 31 3 0 1000 syz-executor5 [ 1766.392887] DMA32 free:15608kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1766.539056] [23445] 0 23445 17618 12677 31 3 0 1000 syz-executor3 [ 1766.601523] cron: page allocation stalls for 110120ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1766.806179] [23448] 0 23448 17648 8237 27 4 0 1000 syz-executor2 [ 1766.921684] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1766.927862] Call Trace: [ 1766.930460] dump_stack+0xb9/0x11b [ 1766.934003] warn_alloc.cold.35+0x9d/0x1b7 [ 1766.938229] ? zone_watermark_ok_safe+0x240/0x240 [ 1766.943067] ? usleep_range+0x130/0x130 [ 1766.947085] ? do_try_to_free_pages+0xde0/0xde0 [ 1766.951805] __alloc_pages_nodemask+0x1425/0x2280 [ 1766.956671] ? check_preemption_disabled+0x34/0x1e0 [ 1766.961688] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1766.966526] ? find_get_entry+0x118/0x550 [ 1766.970680] ? check_preemption_disabled+0x34/0x1e0 [ 1766.975694] ? check_preemption_disabled+0x34/0x1e0 [ 1766.980728] ? find_get_entry+0x13f/0x550 [ 1766.984896] ? pagecache_get_page+0x129/0x770 [ 1766.989442] filemap_fault+0xcdd/0x14a0 [ 1766.993460] ext4_filemap_fault+0x7d/0xb0 [ 1766.997604] __do_fault+0x80/0x210 [ 1767.001141] __handle_mm_fault+0x991/0x25f0 [ 1767.005481] ? vm_insert_page+0x6d0/0x6d0 [ 1767.009660] ? HARDIRQ_verbose+0x10/0x10 [ 1767.013714] ? HARDIRQ_verbose+0x10/0x10 [ 1767.017768] ? free_object+0xe4/0x240 [ 1767.021592] ? check_preemption_disabled+0x34/0x1e0 [ 1767.026613] handle_mm_fault+0x2f2/0x6eb [ 1767.030686] __do_page_fault+0x45d/0xb60 [ 1767.034759] ? retint_user+0x18/0x18 [ 1767.038483] ? bad_area_access_error+0x330/0x330 [ 1767.043228] ? page_fault+0x2c/0x50 [ 1767.046864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1767.051727] ? page_fault+0x2c/0x50 [ 1767.055351] page_fault+0x42/0x50 [ 1767.058796] RIP: 60882280: (null) [ 1767.063017] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1767.200167] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1767.240720] [23454] 0 23454 17647 12736 32 3 0 1000 syz-executor3 [ 1767.356299] lowmem_reserve[]: 0 3505 3505 [ 1767.466634] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1767.524975] [23475] 0 23475 17680 12736 32 3 0 1000 syz-executor3 [ 1767.712871] [23494] 0 23494 17618 12677 31 3 0 1000 syz-executor5 [ 1767.727994] [23540] 0 23540 17585 8236 25 4 0 0 syz-executor4 [ 1767.751280] DMA32 free:15608kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:184kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1767.793806] lowmem_reserve[]: 0 0 0 [ 1767.797471] DMA32: 112*4kB (MH) 65*8kB (MH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15608kB [ 1767.901086] [23555] 0 23555 17684 8242 25 4 0 0 syz-executor4 [ 1767.925930] [23566] 0 23566 17618 12677 31 3 0 1000 syz-executor5 [ 1767.947753] warn_alloc_show_mem: 6 callbacks suppressed [ 1767.947757] Mem-Info: [ 1767.959945] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1768.179858] modprobe: page allocation stalls for 150010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1768.214381] [23626] 0 23626 17585 8198 24 3 0 1000 syz-executor3 [ 1768.233095] init: page allocation stalls for 150080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1768.245865] syz-fuzzer: page allocation stalls for 110020ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1768.273259] lowmem_reserve[]: 0 3505 3505 [ 1768.277488] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1768.314387] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1768.314387] active_file:58 inactive_file:83 isolated_file:0 [ 1768.314387] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1768.314387] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1768.314387] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1768.314387] free:4363 free_pcp:0 free_cma:0 [ 1768.362409] syz-executor0: page allocation stalls for 150100ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1768.374865] kworker/u4:9: page allocation stalls for 150120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1768.387533] rs:main Q:Reg: page allocation stalls for 110140ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1768.402436] kworker/u4:11: page allocation stalls for 150090ms, order:1, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1768.414853] modprobe: page allocation stalls for 150050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1768.525090] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1768.532065] Call Trace: [ 1768.534658] dump_stack+0xb9/0x11b [ 1768.538202] warn_alloc.cold.35+0x9d/0x1b7 [ 1768.542438] ? zone_watermark_ok_safe+0x240/0x240 [ 1768.547332] __alloc_pages_nodemask+0x1425/0x2280 [ 1768.552209] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1768.557154] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1768.562009] ? perf_trace_lock+0x11a/0x4c0 [ 1768.566237] ? check_preemption_disabled+0x34/0x1e0 [ 1768.571313] ? rcu_read_lock_sched_held+0x102/0x120 [ 1768.576347] copy_process.part.6+0x267/0x6530 [ 1768.580856] ? __handle_mm_fault+0xdab/0x25f0 [ 1768.585348] ? lock_downgrade+0x560/0x560 [ 1768.589495] ? check_preemption_disabled+0x34/0x1e0 [ 1768.594513] ? perf_trace_lock+0x11a/0x4c0 [ 1768.598757] ? __cleanup_sighand+0x40/0x40 [ 1768.602986] ? vm_insert_page+0x6d0/0x6d0 [ 1768.607126] ? HARDIRQ_verbose+0x10/0x10 [ 1768.611212] _do_fork+0x1c2/0xd50 [ 1768.614678] ? fork_idle+0x250/0x250 [ 1768.618391] ? up_read+0x17/0x30 [ 1768.621753] ? __do_page_fault+0x64c/0xb60 [ 1768.625991] ? do_syscall_64+0x43/0x4b0 [ 1768.629966] ? sys_vfork+0x20/0x20 [ 1768.633499] do_syscall_64+0x19b/0x4b0 [ 1768.637396] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1768.642581] RIP: 0033:0x45a049 [ 1768.645767] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1768.653477] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1768.660738] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1768.668000] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1768.675269] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1768.682701] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1768.722308] [23629] 0 23629 17618 12677 31 3 0 1000 syz-executor5 [ 1768.733831] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1768.740325] Call Trace: [ 1768.742914] dump_stack+0xb9/0x11b [ 1768.746468] warn_alloc.cold.35+0x9d/0x1b7 [ 1768.750700] ? zone_watermark_ok_safe+0x240/0x240 [ 1768.755540] ? usleep_range+0x130/0x130 [ 1768.759559] __alloc_pages_nodemask+0x1425/0x2280 [ 1768.764420] ? __kernel_text_address+0x9/0x30 [ 1768.768927] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1768.773782] ? __lock_acquire+0x619/0x4320 [ 1768.778023] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1768.782522] ? kmemdup+0x20/0x50 [ 1768.785882] ? selinux_cred_prepare+0x3e/0x90 [ 1768.790395] ? new_slab+0x358/0x470 [ 1768.794024] new_slab+0x3c0/0x470 [ 1768.797497] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1768.802512] ? getname_flags+0xc4/0x540 [ 1768.806495] ? fs_reclaim_acquire+0x10/0x10 [ 1768.811280] ? check_preemption_disabled+0x34/0x1e0 [ 1768.816311] ? getname_flags+0xc4/0x540 [ 1768.820280] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1768.825724] ? getname_flags+0xc4/0x540 [ 1768.829692] kmem_cache_alloc+0x19e/0x2b0 [ 1768.833841] getname_flags+0xc4/0x540 [ 1768.837643] user_path_at_empty+0x28/0x80 [ 1768.841793] SyS_faccessat+0x20d/0x660 [ 1768.845684] ? SyS_fallocate+0x80/0x80 [ 1768.849597] ? do_syscall_64+0x43/0x4b0 [ 1768.853583] ? SyS_faccessat+0x660/0x660 [ 1768.857639] do_syscall_64+0x19b/0x4b0 [ 1768.861531] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1768.866715] RIP: 0033:0x7fd4ad02d267 [ 1768.870434] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1768.878145] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1768.885407] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1768.892685] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1768.899948] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1768.907217] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1768.922122] 10535 total pagecache pages [ 1768.926108] 0 pages in swap cache [ 1768.929554] Swap cache stats: add 0, delete 0, find 0/0 [ 1768.960072] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1768.965962] Call Trace: [ 1768.968552] dump_stack+0xb9/0x11b [ 1768.972099] warn_alloc.cold.35+0x9d/0x1b7 [ 1768.976331] ? zone_watermark_ok_safe+0x240/0x240 [ 1768.981169] ? usleep_range+0x130/0x130 [ 1768.985178] __alloc_pages_nodemask+0x1425/0x2280 [ 1768.990050] ? __kernel_text_address+0x9/0x30 [ 1768.994546] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1768.999404] ? __lock_acquire+0x619/0x4320 [ 1769.003676] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1769.008170] ? kmemdup+0x20/0x50 [ 1769.011529] ? selinux_cred_prepare+0x3e/0x90 [ 1769.016039] ? new_slab+0x358/0x470 [ 1769.019669] new_slab+0x3c0/0x470 [ 1769.023131] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1769.028141] ? getname_flags+0xc4/0x540 [ 1769.032115] ? fs_reclaim_acquire+0x10/0x10 [ 1769.036434] ? check_preemption_disabled+0x34/0x1e0 [ 1769.041449] ? getname_flags+0xc4/0x540 [ 1769.045428] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1769.050878] ? getname_flags+0xc4/0x540 [ 1769.054844] kmem_cache_alloc+0x19e/0x2b0 [ 1769.058991] getname_flags+0xc4/0x540 [ 1769.062812] user_path_at_empty+0x28/0x80 [ 1769.066961] SyS_faccessat+0x20d/0x660 [ 1769.070857] ? SyS_fallocate+0x80/0x80 [ 1769.074750] ? do_syscall_64+0x43/0x4b0 [ 1769.078718] ? SyS_faccessat+0x660/0x660 [ 1769.082779] do_syscall_64+0x19b/0x4b0 [ 1769.086684] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1769.091864] RIP: 0033:0x7f413a3c43c7 [ 1769.095569] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1769.103284] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1769.110543] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1769.117803] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1769.125077] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1769.132341] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1769.140923] warn_alloc_show_mem: 1 callbacks suppressed [ 1769.140928] Mem-Info: [ 1769.148699] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1769.148699] active_file:58 inactive_file:90 isolated_file:0 [ 1769.148699] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1769.148699] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1769.148699] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1769.148699] free:4363 free_pcp:0 free_cma:0 [ 1769.199560] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1769.206230] Call Trace: [ 1769.208822] dump_stack+0xb9/0x11b [ 1769.212365] warn_alloc.cold.35+0x9d/0x1b7 [ 1769.216598] ? zone_watermark_ok_safe+0x240/0x240 [ 1769.221437] ? usleep_range+0x130/0x130 [ 1769.225427] ? do_try_to_free_pages+0xde0/0xde0 [ 1769.230130] __alloc_pages_nodemask+0x1425/0x2280 [ 1769.235003] ? check_preemption_disabled+0x34/0x1e0 [ 1769.240035] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1769.244891] ? find_get_entry+0x118/0x550 [ 1769.249045] ? check_preemption_disabled+0x34/0x1e0 [ 1769.254058] ? check_preemption_disabled+0x34/0x1e0 [ 1769.259109] ? find_get_entry+0x13f/0x550 [ 1769.263271] ? pagecache_get_page+0x129/0x770 [ 1769.267771] filemap_fault+0xcdd/0x14a0 [ 1769.271767] ext4_filemap_fault+0x7d/0xb0 [ 1769.275916] __do_fault+0x80/0x210 [ 1769.279465] __handle_mm_fault+0x991/0x25f0 [ 1769.283811] ? vm_insert_page+0x6d0/0x6d0 [ 1769.287952] ? HARDIRQ_verbose+0x10/0x10 [ 1769.292004] ? HARDIRQ_verbose+0x10/0x10 [ 1769.296062] ? SyS_futex+0x249/0x2b5 [ 1769.299800] ? check_preemption_disabled+0x34/0x1e0 [ 1769.304855] handle_mm_fault+0x2f2/0x6eb [ 1769.308936] __do_page_fault+0x45d/0xb60 [ 1769.312999] ? retint_user+0x18/0x18 [ 1769.316710] ? bad_area_access_error+0x330/0x330 [ 1769.321470] ? page_fault+0x2c/0x50 [ 1769.325090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1769.329957] ? page_fault+0x2c/0x50 [ 1769.333584] page_fault+0x42/0x50 [ 1769.337030] RIP: 0020:0x13 [ 1769.339862] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1769.365279] CPU: 1 PID: 9328 Comm: modprobe Not tainted 4.14.87+ #21 [ 1769.377147] Call Trace: [ 1769.379734] dump_stack+0xb9/0x11b [ 1769.383283] warn_alloc.cold.35+0x9d/0x1b7 [ 1769.387520] ? zone_watermark_ok_safe+0x240/0x240 [ 1769.392361] ? usleep_range+0x130/0x130 [ 1769.396366] __alloc_pages_nodemask+0x1425/0x2280 [ 1769.401220] ? reacquire_held_locks+0xb5/0x3e0 [ 1769.405799] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1769.410629] ? check_preemption_disabled+0x34/0x1e0 [ 1769.415638] ? lock_downgrade+0x560/0x560 [ 1769.419782] ? __lock_acquire+0x619/0x4320 [ 1769.424026] ? perf_trace_lock+0x11a/0x4c0 [ 1769.428254] ? filemap_map_pages+0x652/0xc50 [ 1769.432661] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1769.437601] ? new_slab+0x358/0x470 [ 1769.441228] new_slab+0x3c0/0x470 [ 1769.444703] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1769.449728] ? getname_flags+0xc4/0x540 [ 1769.453721] ? fs_reclaim_acquire+0x10/0x10 [ 1769.458045] ? check_preemption_disabled+0x34/0x1e0 [ 1769.463059] ? getname_flags+0xc4/0x540 [ 1769.467040] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1769.472488] ? getname_flags+0xc4/0x540 [ 1769.476459] kmem_cache_alloc+0x19e/0x2b0 [ 1769.480607] getname_flags+0xc4/0x540 [ 1769.484413] do_sys_open+0x1ea/0x580 [ 1769.488130] ? filp_open+0x60/0x60 [ 1769.491667] ? up_read+0x17/0x30 [ 1769.495025] ? __do_page_fault+0x64c/0xb60 [ 1769.499266] ? do_syscall_64+0x43/0x4b0 [ 1769.503235] ? do_sys_open+0x580/0x580 [ 1769.507130] do_syscall_64+0x19b/0x4b0 [ 1769.511024] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1769.516235] RIP: 0033:0x7fcfa16e41a7 [ 1769.519942] RSP: 002b:00007ffe8fd68848 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1769.527642] RAX: ffffffffffffffda RBX: 00007fcfa18ef1c8 RCX: 00007fcfa16e41a7 [ 1769.534920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fcfa18ea01d [ 1769.542184] RBP: 00007ffe8fd688c0 R08: 00007ffe8fd68cbf R09: 0000000000000000 [ 1769.549441] R10: 00007fcfa18ea01d R11: 0000000000000246 R12: 0000000000000008 [ 1769.556708] R13: 00007fcfa18ee040 R14: 0000000000000000 R15: 00007ffe8fd68cbf [ 1769.567225] CPU: 1 PID: 9336 Comm: kworker/u4:9 Not tainted 4.14.87+ #21 [ 1769.574072] Call Trace: [ 1769.576658] dump_stack+0xb9/0x11b [ 1769.580201] warn_alloc.cold.35+0x9d/0x1b7 [ 1769.584436] ? zone_watermark_ok_safe+0x240/0x240 [ 1769.589296] ? usleep_range+0x130/0x130 [ 1769.593314] __alloc_pages_nodemask+0x1425/0x2280 [ 1769.598205] ? perf_trace_lock+0x11a/0x4c0 [ 1769.602443] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1769.607310] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1769.612241] ? __lock_acquire+0x619/0x4320 [ 1769.616513] ? perf_trace_lock+0x11a/0x4c0 [ 1769.620764] ? new_slab+0x358/0x470 [ 1769.624396] new_slab+0x3c0/0x470 [ 1769.627872] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1769.632886] ? debug_object_deactivate+0x340/0x340 [ 1769.637811] ? getname_kernel+0x4e/0x340 [ 1769.641897] ? fs_reclaim_acquire+0x10/0x10 [ 1769.646220] ? check_preemption_disabled+0x34/0x1e0 [ 1769.651257] ? getname_kernel+0x4e/0x340 [ 1769.655317] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1769.660768] ? getname_kernel+0x4e/0x340 [ 1769.664826] kmem_cache_alloc+0x19e/0x2b0 [ 1769.668976] getname_kernel+0x4e/0x340 [ 1769.672871] call_usermodehelper_exec_async+0x27b/0x4b0 [ 1769.678233] ? umh_complete+0x80/0x80 [ 1769.682039] ret_from_fork+0x3a/0x50 [ 1769.693515] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1769.700447] Call Trace: [ 1769.703077] dump_stack+0xb9/0x11b [ 1769.706632] warn_alloc.cold.35+0x9d/0x1b7 [ 1769.710868] ? zone_watermark_ok_safe+0x240/0x240 [ 1769.715711] ? usleep_range+0x130/0x130 [ 1769.719691] ? do_try_to_free_pages+0xde0/0xde0 [ 1769.724385] __alloc_pages_nodemask+0x1425/0x2280 [ 1769.729254] ? check_preemption_disabled+0x34/0x1e0 [ 1769.734286] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1769.739131] ? find_get_entry+0x118/0x550 [ 1769.743301] ? check_preemption_disabled+0x34/0x1e0 [ 1769.748314] ? check_preemption_disabled+0x34/0x1e0 [ 1769.753331] ? find_get_entry+0x13f/0x550 [ 1769.757490] ? pagecache_get_page+0x129/0x770 [ 1769.761989] filemap_fault+0xcdd/0x14a0 [ 1769.765998] ext4_filemap_fault+0x7d/0xb0 [ 1769.770140] __do_fault+0x80/0x210 [ 1769.773677] __handle_mm_fault+0x991/0x25f0 [ 1769.777999] ? vm_insert_page+0x6d0/0x6d0 [ 1769.782138] ? HARDIRQ_verbose+0x10/0x10 [ 1769.786191] ? HARDIRQ_verbose+0x10/0x10 [ 1769.790289] ? check_preemption_disabled+0x34/0x1e0 [ 1769.795312] handle_mm_fault+0x2f2/0x6eb [ 1769.799378] __do_page_fault+0x45d/0xb60 [ 1769.803443] ? retint_user+0x18/0x18 [ 1769.807160] ? bad_area_access_error+0x330/0x330 [ 1769.811912] ? page_fault+0x2c/0x50 [ 1769.815538] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1769.820383] ? page_fault+0x2c/0x50 [ 1769.824012] page_fault+0x42/0x50 [ 1769.827464] RIP: 0000:0x5 [ 1769.830211] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1769.831509] CPU: 1 PID: 9339 Comm: kworker/u4:11 Not tainted 4.14.87+ #21 [ 1769.843949] Call Trace: [ 1769.846533] dump_stack+0xb9/0x11b [ 1769.850080] warn_alloc.cold.35+0x9d/0x1b7 [ 1769.854312] ? zone_watermark_ok_safe+0x240/0x240 [ 1769.859204] __alloc_pages_nodemask+0x1425/0x2280 [ 1769.864064] ? call_usermodehelper_exec_async+0x289/0x4b0 [ 1769.869594] ? ret_from_fork+0x3a/0x50 [ 1769.873493] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1769.878340] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1769.883272] ? HARDIRQ_verbose+0x10/0x10 [ 1769.887373] __get_free_pages+0x13/0xa0 [ 1769.891346] pgd_alloc+0x1f/0x3a0 [ 1769.894801] mm_init+0x514/0x800 [ 1769.898166] mm_alloc+0xa1/0xc0 [ 1769.901482] do_execveat_common.isra.14+0xa71/0x1d60 [ 1769.906584] ? fs_reclaim_acquire+0x10/0x10 [ 1769.910915] ? prepare_bprm_creds+0x110/0x110 [ 1769.915425] ? rcu_read_lock_sched_held+0x102/0x120 [ 1769.920464] do_execve+0x2c/0x40 [ 1769.923857] call_usermodehelper_exec_async+0x289/0x4b0 [ 1769.929221] ? umh_complete+0x80/0x80 [ 1769.933023] ret_from_fork+0x3a/0x50 [ 1770.013572] [23630] 0 23630 17618 8200 24 3 0 1000 syz-executor3 [ 1770.092816] Free swap = 0kB [ 1770.095865] Total swap = 0kB [ 1770.098889] 1965979 pages RAM [ 1770.187679] warn_alloc: 11 callbacks suppressed [ 1770.187684] syz-executor5: [ 1770.192534] Mem-Info: [ 1770.197894] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1770.197894] active_file:58 inactive_file:83 isolated_file:0 [ 1770.197894] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1770.197894] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1770.197894] mapped:58687 shmem:851 pagetables:22412 bounce:0 [ 1770.197894] free:4363 free_pcp:0 free_cma:0 [ 1770.241499] [23645] 0 23645 17684 8239 26 4 0 1000 syz-executor3 [ 1770.289570] syz-executor4: page allocation stalls for 150090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1770.329163] 0 pages HighMem/MovableOnly [ 1770.334979] page allocation stalls for 150020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1770.352719] lowmem_reserve[]: 0 0 0 [ 1770.356385] DMA32: 112*4kB (MH) 65*8kB (MH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15608kB [ 1770.379519] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:232kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234748kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1770.415471] syz-executor0: page allocation stalls for 150040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1770.444260] 315641 pages reserved [ 1770.464972] [23719] 0 23719 17618 12677 31 3 0 1000 syz-executor5 [ 1770.480100] CPU: 1 PID: 1842 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1770.487026] Call Trace: [ 1770.489613] dump_stack+0xb9/0x11b [ 1770.493159] warn_alloc.cold.35+0x9d/0x1b7 [ 1770.497391] ? zone_watermark_ok_safe+0x240/0x240 [ 1770.502303] __alloc_pages_nodemask+0x1425/0x2280 [ 1770.507162] ? finish_task_switch+0x1e6/0x610 [ 1770.511661] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1770.516500] ? __lock_acquire+0x619/0x4320 [ 1770.520724] ? finish_task_switch+0x1bd/0x610 [ 1770.525221] ? __lock_acquire+0x619/0x4320 [ 1770.529462] ? _raw_spin_unlock_irq+0x35/0x50 [ 1770.533954] ? finish_task_switch+0x1e6/0x610 [ 1770.538487] ? new_slab+0x358/0x470 [ 1770.542117] new_slab+0x3c0/0x470 [ 1770.545583] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1770.550599] ? getname_flags+0xc4/0x540 [ 1770.554599] ? fs_reclaim_acquire+0x10/0x10 [ 1770.558928] ? check_preemption_disabled+0x34/0x1e0 [ 1770.563945] ? getname_flags+0xc4/0x540 [ 1770.567913] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1770.573377] ? getname_flags+0xc4/0x540 [ 1770.577344] kmem_cache_alloc+0x19e/0x2b0 [ 1770.581498] getname_flags+0xc4/0x540 [ 1770.585309] do_sys_open+0x1ea/0x580 [ 1770.589023] ? filp_open+0x60/0x60 [ 1770.592563] ? SyS_nanosleep+0x138/0x190 [ 1770.596618] ? hrtimer_nanosleep+0x470/0x470 [ 1770.601029] ? do_syscall_64+0x43/0x4b0 [ 1770.605003] ? do_sys_open+0x580/0x580 [ 1770.608923] do_syscall_64+0x19b/0x4b0 [ 1770.612819] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1770.618000] RIP: 0033:0x455680 [ 1770.621184] RSP: 002b:00007fffed769380 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1770.628887] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1770.636185] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1770.643447] RBP: 0000000000000b38 R08: 0000000000000001 R09: 00000000015ef940 [ 1770.650733] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001e [ 1770.657995] R13: 000000000018ad11 R14: 000000000000029b R15: 0000000000000000 [ 1770.670879] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1770.678004] Call Trace: [ 1770.680594] dump_stack+0xb9/0x11b [ 1770.684141] warn_alloc.cold.35+0x9d/0x1b7 [ 1770.688371] ? zone_watermark_ok_safe+0x240/0x240 [ 1770.693211] ? usleep_range+0x130/0x130 [ 1770.697223] __alloc_pages_nodemask+0x1425/0x2280 [ 1770.702089] ? finish_task_switch+0x1e6/0x610 [ 1770.706584] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1770.711465] ? __lock_acquire+0x619/0x4320 [ 1770.715697] ? finish_task_switch+0x1bd/0x610 [ 1770.720206] ? __lock_acquire+0x619/0x4320 [ 1770.724459] ? _raw_spin_unlock_irq+0x35/0x50 [ 1770.728954] ? finish_task_switch+0x1e6/0x610 [ 1770.733483] ? new_slab+0x358/0x470 [ 1770.737117] new_slab+0x3c0/0x470 [ 1770.740579] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1770.745596] ? getname_flags+0xc4/0x540 [ 1770.749604] ? fs_reclaim_acquire+0x10/0x10 [ 1770.753934] ? check_preemption_disabled+0x34/0x1e0 [ 1770.758948] ? getname_flags+0xc4/0x540 [ 1770.762913] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1770.768360] ? getname_flags+0xc4/0x540 [ 1770.772327] kmem_cache_alloc+0x19e/0x2b0 [ 1770.776483] getname_flags+0xc4/0x540 [ 1770.780295] do_sys_open+0x1ea/0x580 [ 1770.784012] ? filp_open+0x60/0x60 [ 1770.787562] ? SyS_nanosleep+0x138/0x190 [ 1770.791643] ? hrtimer_nanosleep+0x470/0x470 [ 1770.796050] ? do_syscall_64+0x43/0x4b0 [ 1770.800020] ? do_sys_open+0x580/0x580 [ 1770.803908] do_syscall_64+0x19b/0x4b0 [ 1770.808327] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1770.813511] RIP: 0033:0x455680 [ 1770.816693] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1770.824421] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1770.831684] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1770.838945] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1770.846206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1770.853476] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1770.865866] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1770.872796] Call Trace: [ 1770.875397] dump_stack+0xb9/0x11b [ 1770.878941] warn_alloc.cold.35+0x9d/0x1b7 [ 1770.883178] ? zone_watermark_ok_safe+0x240/0x240 [ 1770.888022] ? usleep_range+0x130/0x130 [ 1770.892037] __alloc_pages_nodemask+0x1425/0x2280 [ 1770.896905] ? finish_task_switch+0x1e6/0x610 [ 1770.901428] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1770.906294] ? __lock_acquire+0x619/0x4320 [ 1770.910526] ? finish_task_switch+0x1bd/0x610 [ 1770.915024] ? __lock_acquire+0x619/0x4320 [ 1770.919259] ? _raw_spin_unlock_irq+0x35/0x50 [ 1770.923747] ? finish_task_switch+0x1e6/0x610 [ 1770.928320] ? new_slab+0x358/0x470 [ 1770.931953] new_slab+0x3c0/0x470 [ 1770.935442] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1770.940473] ? getname_flags+0xc4/0x540 [ 1770.944468] ? fs_reclaim_acquire+0x10/0x10 [ 1770.948824] ? check_preemption_disabled+0x34/0x1e0 [ 1770.953836] ? getname_flags+0xc4/0x540 [ 1770.957810] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1770.963266] ? getname_flags+0xc4/0x540 [ 1770.967233] kmem_cache_alloc+0x19e/0x2b0 [ 1770.971386] getname_flags+0xc4/0x540 [ 1770.975193] do_sys_open+0x1ea/0x580 [ 1770.978921] ? filp_open+0x60/0x60 [ 1770.982478] ? SyS_nanosleep+0x138/0x190 [ 1770.986537] ? hrtimer_nanosleep+0x470/0x470 [ 1770.990949] ? do_syscall_64+0x43/0x4b0 [ 1770.994920] ? do_sys_open+0x580/0x580 [ 1770.998807] do_syscall_64+0x19b/0x4b0 [ 1771.002706] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1771.007890] RIP: 0033:0x455680 [ 1771.011070] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1771.018777] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1771.026041] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1771.033302] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1771.040561] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1771.047821] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1771.063329] [23738] 0 23738 17585 8191 24 3 0 1000 syz-executor2 [ 1771.072882] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1771.085632] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:344kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234648kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1771.109366] [23742] 0 23742 17651 8204 25 3 0 1000 syz-executor1 [ 1771.118898] DMA32 free:15608kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:224kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:116kB local_pcp:116kB free_cma:0kB [ 1771.148296] 10510 total pagecache pages [ 1771.152330] [23755] 0 23755 17684 8208 26 3 0 1000 syz-executor2 [ 1771.161870] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:344kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234648kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1771.201939] syz-fuzzer: page allocation stalls for 112990ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1771.288171] 0 pages in swap cache [ 1771.329687] Swap cache stats: add 0, delete 0, find 0/0 [ 1771.373053] Mem-Info: [ 1771.375496] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1771.375496] active_file:29 inactive_file:83 isolated_file:0 [ 1771.375496] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1771.375496] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1771.375496] mapped:58662 shmem:851 pagetables:22412 bounce:0 [ 1771.375496] free:4388 free_pcp:0 free_cma:0 [ 1771.420090] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1771.426764] Call Trace: [ 1771.429355] dump_stack+0xb9/0x11b [ 1771.432903] warn_alloc.cold.35+0x9d/0x1b7 [ 1771.437148] ? zone_watermark_ok_safe+0x240/0x240 [ 1771.442052] __alloc_pages_nodemask+0x1425/0x2280 [ 1771.446935] ? check_preemption_disabled+0x34/0x1e0 [ 1771.451959] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1771.456807] ? find_get_entry+0x118/0x550 [ 1771.460964] ? check_preemption_disabled+0x34/0x1e0 [ 1771.465978] ? check_preemption_disabled+0x34/0x1e0 [ 1771.471001] ? find_get_entry+0x13f/0x550 [ 1771.475157] ? pagecache_get_page+0x129/0x770 [ 1771.479661] filemap_fault+0xcdd/0x14a0 [ 1771.483665] ext4_filemap_fault+0x7d/0xb0 [ 1771.487812] __do_fault+0x80/0x210 [ 1771.491354] __handle_mm_fault+0x991/0x25f0 [ 1771.495684] ? vm_insert_page+0x6d0/0x6d0 [ 1771.499829] ? HARDIRQ_verbose+0x10/0x10 [ 1771.503889] ? HARDIRQ_verbose+0x10/0x10 [ 1771.507946] ? SyS_futex+0x249/0x2b5 [ 1771.511691] ? check_preemption_disabled+0x34/0x1e0 [ 1771.516713] handle_mm_fault+0x2f2/0x6eb [ 1771.520780] __do_page_fault+0x45d/0xb60 [ 1771.524848] ? retint_user+0x18/0x18 [ 1771.528557] ? bad_area_access_error+0x330/0x330 [ 1771.533314] ? page_fault+0x2c/0x50 [ 1771.536934] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1771.541783] ? page_fault+0x2c/0x50 [ 1771.545412] page_fault+0x42/0x50 [ 1771.548860] RIP: 0020:0x13 [ 1771.551699] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1771.568316] DMA32 free:15708kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:100kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1771.608828] [23813] 0 23813 17618 12677 31 3 0 1000 syz-executor5 [ 1771.622867] Free swap = 0kB [ 1771.625887] Total swap = 0kB [ 1771.628897] 1965979 pages RAM [ 1771.745213] [23818] 0 23818 17585 8235 26 4 0 1000 syz-executor2 [ 1771.756647] 0 pages HighMem/MovableOnly [ 1771.772681] lowmem_reserve[]: 0 3505 3505 [ 1771.776867] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:124kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1771.838708] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1771.848359] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1771.855360] Call Trace: [ 1771.857949] dump_stack+0xb9/0x11b [ 1771.861506] warn_alloc.cold.35+0x9d/0x1b7 [ 1771.865740] ? zone_watermark_ok_safe+0x240/0x240 [ 1771.870596] ? __lock_acquire+0x619/0x4320 [ 1771.874852] __alloc_pages_nodemask+0x19f4/0x2280 [ 1771.879733] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1771.884573] ? perf_trace_lock+0x11a/0x4c0 [ 1771.888817] ? trace_hardirqs_on+0x10/0x10 [ 1771.893091] ? HARDIRQ_verbose+0x10/0x10 [ 1771.897169] ? check_preemption_disabled+0x34/0x1e0 [ 1771.902200] new_slab+0x3c0/0x470 [ 1771.905657] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1771.910687] ? __sigqueue_alloc+0x1d9/0x400 [ 1771.915012] ? check_preemption_disabled+0x34/0x1e0 [ 1771.920070] ? check_preemption_disabled+0x34/0x1e0 [ 1771.925081] ? __sigqueue_alloc+0x1d9/0x400 [ 1771.929398] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1771.934845] ? __sigqueue_alloc+0x1d9/0x400 [ 1771.939158] kmem_cache_alloc+0x19e/0x2b0 [ 1771.943308] __sigqueue_alloc+0x1d9/0x400 [ 1771.947469] __send_signal+0x1b0/0x1200 [ 1771.951462] force_sig_info+0x241/0x340 [ 1771.955449] force_sig_info_fault.constprop.7+0x129/0x210 [ 1771.960994] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1771.966109] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1771.971041] ? bad_area_access_error+0x1de/0x330 [ 1771.975804] __bad_area_nosemaphore+0x192/0x280 [ 1771.980483] bad_area_access_error+0x1ff/0x330 [ 1771.985088] ? mm_fault_error+0x2b0/0x2b0 [ 1771.989255] ? vmacache_find+0x50/0x250 [ 1771.993264] __do_page_fault+0x6d0/0xb60 [ 1771.997329] ? retint_user+0x18/0x18 [ 1772.001049] ? bad_area_access_error+0x330/0x330 [ 1772.005799] ? page_fault+0x2c/0x50 [ 1772.009415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1772.014260] ? page_fault+0x2c/0x50 [ 1772.017886] page_fault+0x42/0x50 [ 1772.021379] RIP: 4c59bd:0x4da048 [ 1772.024732] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1772.024778] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1772.038076] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1772.047075] node 0: slabs: 32586, objs: 586548, free: 0 [ 1772.059622] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234648kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1772.093190] 315641 pages reserved [ 1772.103142] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1772.199312] [23850] 0 23850 17618 12677 31 3 0 1000 syz-executor5 [ 1772.245632] modprobe: page allocation stalls for 153990ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1772.272172] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1772.379043] [23893] 0 23893 17618 12677 31 3 0 1000 syz-executor5 [ 1772.442808] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1772.449316] Call Trace: [ 1772.451906] dump_stack+0xb9/0x11b [ 1772.455492] warn_alloc.cold.35+0x9d/0x1b7 [ 1772.459727] ? zone_watermark_ok_safe+0x240/0x240 [ 1772.464633] __alloc_pages_nodemask+0x1425/0x2280 [ 1772.469528] ? perf_trace_lock+0x11a/0x4c0 [ 1772.473765] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1772.478611] ? check_preemption_disabled+0x34/0x1e0 [ 1772.483632] ? __lock_acquire+0x619/0x4320 [ 1772.487902] ? new_slab+0x358/0x470 [ 1772.491557] new_slab+0x3c0/0x470 [ 1772.495023] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1772.500039] ? getname_flags+0xc4/0x540 [ 1772.504024] ? fs_reclaim_acquire+0x10/0x10 [ 1772.508347] ? check_preemption_disabled+0x34/0x1e0 [ 1772.513361] ? getname_flags+0xc4/0x540 [ 1772.517330] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1772.522795] ? getname_flags+0xc4/0x540 [ 1772.526761] kmem_cache_alloc+0x19e/0x2b0 [ 1772.530915] getname_flags+0xc4/0x540 [ 1772.534722] user_path_at_empty+0x28/0x80 [ 1772.538874] vfs_statx+0xe1/0x180 [ 1772.542328] ? vfs_statx_fd+0x90/0x90 [ 1772.546146] SyS_newstat+0x81/0xf0 [ 1772.549682] ? SyS_fstat+0xe0/0xe0 [ 1772.553232] ? up_read+0x17/0x30 [ 1772.556596] ? __do_page_fault+0x64c/0xb60 [ 1772.560837] ? do_syscall_64+0x43/0x4b0 [ 1772.564810] ? SyS_fstat+0xe0/0xe0 [ 1772.568358] do_syscall_64+0x19b/0x4b0 [ 1772.572260] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1772.577440] RIP: 0033:0x7f810d837c65 [ 1772.581164] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1772.588871] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1772.596163] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1772.603425] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1772.610694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1772.617995] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1772.653101] lowmem_reserve[]: 0 3505 3505 [ 1772.657303] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1772.686625] lowmem_reserve[]: 0 3505 3505 [ 1772.714164] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1772.775101] [23923] 0 23923 17585 8201 26 3 0 1000 syz-executor0 [ 1772.811099] warn_alloc_show_mem: 2 callbacks suppressed [ 1772.811103] Mem-Info: [ 1772.818908] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1772.818908] active_file:29 inactive_file:83 isolated_file:0 [ 1772.818908] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1772.818908] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1772.818908] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1772.818908] free:4392 free_pcp:0 free_cma:0 [ 1772.886618] lowmem_reserve[]: 0 3505 3505 [ 1772.914783] lowmem_reserve[]: 0 0 0 [ 1772.918429] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1772.960896] [23926] 0 23926 17618 12297 32 3 0 1000 syz-executor0 [ 1772.975697] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1773.018882] lowmem_reserve[]: 0 0 0 [ 1773.038726] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1773.128945] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1773.170514] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1773.194987] [23989] 0 23989 17618 12677 31 3 0 1000 syz-executor5 [ 1773.248384] 10506 total pagecache pages [ 1773.271116] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1773.291851] 0 pages in swap cache [ 1773.295307] Swap cache stats: add 0, delete 0, find 0/0 [ 1773.354558] Free swap = 0kB [ 1773.357595] Total swap = 0kB [ 1773.372570] [24047] 0 24047 17585 8191 23 3 0 0 syz-executor4 [ 1773.386513] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1773.430101] lowmem_reserve[]: 0 0 0 [ 1773.433786] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1773.451594] 1965979 pages RAM [ 1773.454698] 0 pages HighMem/MovableOnly [ 1773.458671] 315641 pages reserved [ 1773.559304] 10506 total pagecache pages [ 1773.601281] [24049] 0 24049 17618 12677 31 3 0 1000 syz-executor5 [ 1773.615423] lowmem_reserve[]: 0 0 0 [ 1773.619083] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1773.667322] 0 pages in swap cache [ 1773.671855] lowmem_reserve[]: 0 3505 3505 [ 1773.676053] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1773.772674] Swap cache stats: add 0, delete 0, find 0/0 [ 1773.778069] Free swap = 0kB [ 1773.834649] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1773.862585] [24082] 0 24082 17651 8234 25 4 0 1000 syz-executor1 [ 1773.963650] Total swap = 0kB [ 1773.966719] 1965979 pages RAM [ 1773.969828] 0 pages HighMem/MovableOnly [ 1774.007786] lowmem_reserve[]: 0 0 0 [ 1774.042431] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1774.059647] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1774.103381] [24124] 0 24124 17618 12677 31 3 0 1000 syz-executor5 [ 1774.157772] 10506 total pagecache pages [ 1774.191069] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1774.225856] 315641 pages reserved [ 1774.254998] 0 pages in swap cache [ 1774.258451] Swap cache stats: add 0, delete 0, find 0/0 [ 1774.316415] 10506 total pagecache pages [ 1774.322902] [24143] 0 24143 17651 8234 25 4 0 1000 syz-executor1 [ 1774.366056] 0 pages in swap cache [ 1774.369514] Swap cache stats: add 0, delete 0, find 0/0 [ 1774.375528] 10506 total pagecache pages [ 1774.379522] 0 pages in swap cache [ 1774.420099] kthreadd: page allocation stalls for 156230ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1774.463541] Free swap = 0kB [ 1774.466572] Total swap = 0kB [ 1774.469580] 1965979 pages RAM [ 1774.483407] Free swap = 0kB [ 1774.486423] Total swap = 0kB [ 1774.489427] 1965979 pages RAM [ 1774.549178] 0 pages HighMem/MovableOnly [ 1774.558849] warn_alloc_show_mem: 4 callbacks suppressed [ 1774.558853] Mem-Info: [ 1774.578598] Swap cache stats: add 0, delete 0, find 0/0 [ 1774.588341] [24156] 0 24156 17718 8033 25 4 0 0 syz-executor4 [ 1774.610120] 315641 pages reserved [ 1774.703546] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1774.703546] active_file:29 inactive_file:83 isolated_file:0 [ 1774.703546] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1774.703546] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1774.703546] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1774.703546] free:4392 free_pcp:0 free_cma:0 [ 1774.745002] Free swap = 0kB [ 1774.748150] Total swap = 0kB [ 1774.753285] 0 pages HighMem/MovableOnly [ 1774.757276] 315641 pages reserved [ 1774.777105] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1774.783339] Call Trace: [ 1774.785927] dump_stack+0xb9/0x11b [ 1774.789482] warn_alloc.cold.35+0x9d/0x1b7 [ 1774.793717] ? zone_watermark_ok_safe+0x240/0x240 [ 1774.798613] __alloc_pages_nodemask+0x1425/0x2280 [ 1774.803488] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1774.808931] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1774.813787] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1774.818983] ? copy_process.part.6+0x1435/0x6530 [ 1774.823774] ? rcu_read_lock_sched_held+0x102/0x120 [ 1774.828803] copy_process.part.6+0x267/0x6530 [ 1774.833324] ? __lock_acquire+0x619/0x4320 [ 1774.837568] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1774.842702] ? kthread_create_on_node+0xe0/0xe0 [ 1774.847375] ? __cleanup_sighand+0x40/0x40 [ 1774.851609] ? perf_trace_lock+0x11a/0x4c0 [ 1774.855858] ? check_preemption_disabled+0x34/0x1e0 [ 1774.860881] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1774.865837] _do_fork+0x1c2/0xd50 [ 1774.869300] ? kthread_create_on_node+0xe0/0xe0 [ 1774.873974] ? fork_idle+0x250/0x250 [ 1774.877693] ? kthreadd+0x28a/0x3d0 [ 1774.881332] ? lock_downgrade+0x560/0x560 [ 1774.885484] ? lock_acquire+0x10f/0x380 [ 1774.889452] ? kthreadd+0x1c4/0x3d0 [ 1774.893109] ? kthread_create_on_node+0xe0/0xe0 [ 1774.897794] kernel_thread+0x2f/0x40 [ 1774.901509] kthreadd+0x29e/0x3d0 [ 1774.904962] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1774.909733] ? finish_task_switch+0x1e6/0x610 [ 1774.914230] ? __switch_to_asm+0x34/0x70 [ 1774.918292] ? __switch_to_asm+0x40/0x70 [ 1774.922347] ? __switch_to_asm+0x34/0x70 [ 1774.926406] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1774.931164] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1774.935919] ret_from_fork+0x3a/0x50 [ 1775.018262] [24211] 0 24211 17618 12677 31 3 0 1000 syz-executor5 [ 1775.076735] 1965979 pages RAM [ 1775.079886] 0 pages HighMem/MovableOnly [ 1775.215004] syz-executor3: page allocation stalls for 156950ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1775.233900] 315641 pages reserved [ 1775.243369] [24213] 0 24213 17816 8247 33 4 0 1000 syz-executor3 [ 1775.257509] [24277] 0 24277 17618 12677 31 3 0 1000 syz-executor5 [ 1775.280752] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1775.287728] Call Trace: [ 1775.290319] dump_stack+0xb9/0x11b [ 1775.293878] warn_alloc.cold.35+0x9d/0x1b7 [ 1775.298132] ? zone_watermark_ok_safe+0x240/0x240 [ 1775.302978] ? usleep_range+0x130/0x130 [ 1775.306999] __alloc_pages_nodemask+0x1425/0x2280 [ 1775.311878] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1775.316737] ? __lock_acquire+0x619/0x4320 [ 1775.320973] ? kasan_slab_free+0xac/0x190 [ 1775.325118] ? kmem_cache_free+0x12d/0x350 [ 1775.329446] ? putname+0xcf/0x100 [ 1775.332928] ? do_rmdir+0x161/0x3a0 [ 1775.336565] ? do_syscall_64+0x19b/0x4b0 [ 1775.340673] ? new_slab+0x358/0x470 [ 1775.344339] new_slab+0x3c0/0x470 [ 1775.347831] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1775.352849] ? getname_flags+0xc4/0x540 [ 1775.356839] ? fs_reclaim_acquire+0x10/0x10 [ 1775.361168] ? check_preemption_disabled+0x34/0x1e0 [ 1775.366183] ? getname_flags+0xc4/0x540 [ 1775.370160] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1775.375618] ? getname_flags+0xc4/0x540 [ 1775.379589] kmem_cache_alloc+0x19e/0x2b0 [ 1775.383761] getname_flags+0xc4/0x540 [ 1775.387565] ? task_work_run+0x6a/0x190 [ 1775.391549] SyS_mkdirat+0x8d/0x220 [ 1775.395178] ? trace_hardirqs_on_caller+0x381/0x520 [ 1775.400191] ? SyS_mknod+0x30/0x30 [ 1775.403738] ? do_syscall_64+0x43/0x4b0 [ 1775.407714] ? SyS_mkdirat+0x220/0x220 [ 1775.411629] do_syscall_64+0x19b/0x4b0 [ 1775.415533] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1775.420747] RIP: 0033:0x456a97 [ 1775.423947] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1775.431665] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1775.438940] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1775.446212] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1775.453493] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1775.460766] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1775.567430] syz-executor2: page allocation stalls for 157290ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1775.644158] [24309] 0 24309 17585 8203 26 3 0 1000 syz-executor2 [ 1775.664273] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1775.783492] warn_alloc_show_mem: 3 callbacks suppressed [ 1775.783496] Mem-Info: [ 1775.929300] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1775.936257] Call Trace: [ 1775.938843] dump_stack+0xb9/0x11b [ 1775.942389] warn_alloc.cold.35+0x9d/0x1b7 [ 1775.946620] ? zone_watermark_ok_safe+0x240/0x240 [ 1775.951470] ? usleep_range+0x130/0x130 [ 1775.955492] __alloc_pages_nodemask+0x1425/0x2280 [ 1775.960360] ? debug_check_no_obj_freed+0x150/0x77c [ 1775.965374] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1775.970216] ? __lock_acquire+0x619/0x4320 [ 1775.974453] ? __lock_acquire+0x619/0x4320 [ 1775.978689] ? lock_acquire+0x10f/0x380 [ 1775.982667] ? avc_has_perm+0x9e/0x390 [ 1775.986585] ? new_slab+0x358/0x470 [ 1775.990214] new_slab+0x3c0/0x470 [ 1775.993678] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1775.998693] ? __might_fault+0x104/0x1b0 [ 1776.002748] ? getname_flags+0xc4/0x540 [ 1776.006747] ? fs_reclaim_acquire+0x10/0x10 [ 1776.011089] ? check_preemption_disabled+0x34/0x1e0 [ 1776.016207] ? getname_flags+0xc4/0x540 [ 1776.020191] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1776.025650] ? getname_flags+0xc4/0x540 [ 1776.029617] kmem_cache_alloc+0x19e/0x2b0 [ 1776.033768] getname_flags+0xc4/0x540 [ 1776.037564] ? SyS_unlinkat+0x70/0x70 [ 1776.041378] do_unlinkat+0xc9/0x650 [ 1776.045005] ? do_rmdir+0x3a0/0x3a0 [ 1776.048649] ? SyS_newlstat+0x92/0xf0 [ 1776.052444] ? SyS_newstat+0xf0/0xf0 [ 1776.056183] ? do_syscall_64+0x43/0x4b0 [ 1776.060177] ? SyS_unlinkat+0x70/0x70 [ 1776.063976] do_syscall_64+0x19b/0x4b0 [ 1776.067871] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1776.073058] RIP: 0033:0x4573c7 [ 1776.076235] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1776.083936] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1776.091242] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1776.098539] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1776.105796] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1776.113070] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1776.188403] [24311] 0 24311 17651 8209 26 3 0 1000 syz-executor2 [ 1776.202444] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1776.202444] active_file:29 inactive_file:83 isolated_file:0 [ 1776.202444] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1776.202444] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1776.202444] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1776.202444] free:4392 free_pcp:0 free_cma:0 [ 1776.386441] [24317] 0 24317 17618 12677 31 3 0 1000 syz-executor5 [ 1776.402655] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1776.436242] [24366] 0 24366 17618 12677 31 3 0 1000 syz-executor5 [ 1776.445732] [24386] 0 24386 17651 8236 25 4 0 0 syz-executor4 [ 1776.455265] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1776.557290] cron: page allocation stalls for 120070ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1776.674030] [24443] 0 24443 17618 12677 31 3 0 1000 syz-executor5 [ 1776.766701] lowmem_reserve[]: 0 3505 3505 [ 1776.885998] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1776.892174] Call Trace: [ 1776.894776] dump_stack+0xb9/0x11b [ 1776.898324] warn_alloc.cold.35+0x9d/0x1b7 [ 1776.902558] ? zone_watermark_ok_safe+0x240/0x240 [ 1776.907398] ? usleep_range+0x130/0x130 [ 1776.911381] ? do_try_to_free_pages+0xde0/0xde0 [ 1776.916080] __alloc_pages_nodemask+0x1425/0x2280 [ 1776.920947] ? check_preemption_disabled+0x34/0x1e0 [ 1776.925965] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1776.930822] ? find_get_entry+0x118/0x550 [ 1776.934973] ? check_preemption_disabled+0x34/0x1e0 [ 1776.939986] ? check_preemption_disabled+0x34/0x1e0 [ 1776.945008] ? find_get_entry+0x13f/0x550 [ 1776.949166] ? pagecache_get_page+0x129/0x770 [ 1776.953690] filemap_fault+0xcdd/0x14a0 [ 1776.957722] ext4_filemap_fault+0x7d/0xb0 [ 1776.961867] __do_fault+0x80/0x210 [ 1776.965407] __handle_mm_fault+0x991/0x25f0 [ 1776.969739] ? vm_insert_page+0x6d0/0x6d0 [ 1776.973895] ? HARDIRQ_verbose+0x10/0x10 [ 1776.977952] ? HARDIRQ_verbose+0x10/0x10 [ 1776.982008] ? free_object+0xe4/0x240 [ 1776.985846] ? check_preemption_disabled+0x34/0x1e0 [ 1776.990870] handle_mm_fault+0x2f2/0x6eb [ 1776.994934] __do_page_fault+0x45d/0xb60 [ 1776.999001] ? retint_user+0x18/0x18 [ 1777.002709] ? bad_area_access_error+0x330/0x330 [ 1777.007469] ? page_fault+0x2c/0x50 [ 1777.011092] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1777.015933] ? page_fault+0x2c/0x50 [ 1777.019574] page_fault+0x42/0x50 [ 1777.023017] RIP: 60882280: (null) [ 1777.027240] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1777.028476] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1777.120905] [24505] 0 24505 17618 12677 31 3 0 1000 syz-executor5 [ 1777.209707] warn_alloc_show_mem: 1 callbacks suppressed [ 1777.209711] Mem-Info: [ 1777.353335] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1777.353335] active_file:29 inactive_file:83 isolated_file:0 [ 1777.353335] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1777.353335] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1777.353335] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1777.353335] free:4392 free_pcp:0 free_cma:0 [ 1777.406156] [24587] 0 24587 17618 12677 31 3 0 1000 syz-executor5 [ 1777.420506] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1777.577641] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1777.587293] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1777.594290] Call Trace: [ 1777.596875] dump_stack+0xb9/0x11b [ 1777.600415] warn_alloc.cold.35+0x9d/0x1b7 [ 1777.604643] ? zone_watermark_ok_safe+0x240/0x240 [ 1777.609503] ? __lock_acquire+0x619/0x4320 [ 1777.613758] __alloc_pages_nodemask+0x19f4/0x2280 [ 1777.618638] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1777.623511] ? perf_trace_lock+0x11a/0x4c0 [ 1777.627740] ? trace_hardirqs_on+0x10/0x10 [ 1777.632020] ? HARDIRQ_verbose+0x10/0x10 [ 1777.636089] ? check_preemption_disabled+0x34/0x1e0 [ 1777.641109] new_slab+0x3c0/0x470 [ 1777.644584] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1777.649609] ? __sigqueue_alloc+0x1d9/0x400 [ 1777.653966] ? check_preemption_disabled+0x34/0x1e0 [ 1777.658994] ? check_preemption_disabled+0x34/0x1e0 [ 1777.664018] ? __sigqueue_alloc+0x1d9/0x400 [ 1777.668332] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1777.673794] ? __sigqueue_alloc+0x1d9/0x400 [ 1777.678155] kmem_cache_alloc+0x19e/0x2b0 [ 1777.682302] __sigqueue_alloc+0x1d9/0x400 [ 1777.686452] __send_signal+0x1b0/0x1200 [ 1777.690536] force_sig_info+0x241/0x340 [ 1777.694524] force_sig_info_fault.constprop.7+0x129/0x210 [ 1777.700060] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1777.705171] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1777.710104] ? bad_area_access_error+0x1de/0x330 [ 1777.714868] __bad_area_nosemaphore+0x192/0x280 [ 1777.719578] bad_area_access_error+0x1ff/0x330 [ 1777.724173] ? mm_fault_error+0x2b0/0x2b0 [ 1777.728315] ? vmacache_find+0x50/0x250 [ 1777.732294] __do_page_fault+0x6d0/0xb60 [ 1777.736351] ? retint_user+0x18/0x18 [ 1777.740056] ? bad_area_access_error+0x330/0x330 [ 1777.744802] ? page_fault+0x2c/0x50 [ 1777.748416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1777.753258] ? page_fault+0x2c/0x50 [ 1777.756911] page_fault+0x42/0x50 [ 1777.760368] RIP: 4c59bd:0x4da048 [ 1777.763720] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1777.763763] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1777.777078] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1777.786074] node 0: slabs: 32586, objs: 586548, free: 0 [ 1777.905675] [24657] 0 24657 17618 8234 26 4 0 1000 syz-executor1 [ 1778.172475] [24674] 0 24674 17618 12677 31 3 0 1000 syz-executor5 [ 1778.251629] init: page allocation stalls for 160100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1778.262558] modprobe: page allocation stalls for 160010ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1778.279368] syz-fuzzer: page allocation stalls for 120060ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1778.291737] modprobe: page allocation stalls for 160020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1778.303338] modprobe: page allocation stalls for 160050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1778.317727] syz-fuzzer: page allocation stalls for 120090ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1778.341242] lowmem_reserve[]: 0 0 0 [ 1778.344917] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1778.433651] [24726] 0 24726 17618 12677 31 3 0 1000 syz-executor5 [ 1778.444090] lowmem_reserve[]: 0 3505 3505 [ 1778.448289] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1778.482193] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1778.506002] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1778.511884] Call Trace: [ 1778.514481] dump_stack+0xb9/0x11b [ 1778.518026] warn_alloc.cold.35+0x9d/0x1b7 [ 1778.522268] ? zone_watermark_ok_safe+0x240/0x240 [ 1778.527107] ? usleep_range+0x130/0x130 [ 1778.531140] __alloc_pages_nodemask+0x1425/0x2280 [ 1778.535997] ? __kernel_text_address+0x9/0x30 [ 1778.540497] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1778.545347] ? __lock_acquire+0x619/0x4320 [ 1778.549586] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1778.554116] ? kmemdup+0x20/0x50 [ 1778.557491] ? selinux_cred_prepare+0x3e/0x90 [ 1778.562020] ? new_slab+0x358/0x470 [ 1778.565663] new_slab+0x3c0/0x470 [ 1778.569120] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1778.574131] ? getname_flags+0xc4/0x540 [ 1778.578109] ? fs_reclaim_acquire+0x10/0x10 [ 1778.582435] ? check_preemption_disabled+0x34/0x1e0 [ 1778.587465] ? getname_flags+0xc4/0x540 [ 1778.591435] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1778.596890] ? getname_flags+0xc4/0x540 [ 1778.600859] kmem_cache_alloc+0x19e/0x2b0 [ 1778.605009] getname_flags+0xc4/0x540 [ 1778.608817] user_path_at_empty+0x28/0x80 [ 1778.612982] SyS_faccessat+0x20d/0x660 [ 1778.616873] ? SyS_fallocate+0x80/0x80 [ 1778.620765] ? do_syscall_64+0x43/0x4b0 [ 1778.624739] ? SyS_faccessat+0x660/0x660 [ 1778.628798] do_syscall_64+0x19b/0x4b0 [ 1778.632691] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1778.637891] RIP: 0033:0x7f413a3c43c7 [ 1778.641599] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1778.649302] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1778.656564] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1778.663841] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1778.671104] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1778.678579] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1778.794141] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1778.800670] Call Trace: [ 1778.803265] dump_stack+0xb9/0x11b [ 1778.806811] warn_alloc.cold.35+0x9d/0x1b7 [ 1778.811529] ? zone_watermark_ok_safe+0x240/0x240 [ 1778.816367] ? usleep_range+0x130/0x130 [ 1778.820391] __alloc_pages_nodemask+0x1425/0x2280 [ 1778.825262] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1778.830112] ? __lock_acquire+0x619/0x4320 [ 1778.834342] ? __lock_acquire+0x619/0x4320 [ 1778.839190] ? __lock_acquire+0x619/0x4320 [ 1778.843437] ? new_slab+0x358/0x470 [ 1778.847072] new_slab+0x3c0/0x470 [ 1778.850562] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1778.855572] ? getname_flags+0xc4/0x540 [ 1778.859553] ? fs_reclaim_acquire+0x10/0x10 [ 1778.863876] ? check_preemption_disabled+0x34/0x1e0 [ 1778.868890] ? getname_flags+0xc4/0x540 [ 1778.872858] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1778.878309] ? getname_flags+0xc4/0x540 [ 1778.882282] kmem_cache_alloc+0x19e/0x2b0 [ 1778.886434] getname_flags+0xc4/0x540 [ 1778.890249] user_path_at_empty+0x28/0x80 [ 1778.894403] vfs_statx+0xe1/0x180 [ 1778.897855] ? vfs_statx_fd+0x90/0x90 [ 1778.901662] ? __might_fault+0x104/0x1b0 [ 1778.905736] ? lock_downgrade+0x560/0x560 [ 1778.909879] ? lock_acquire+0x10f/0x380 [ 1778.914021] ? __might_fault+0xd4/0x1b0 [ 1778.918007] SyS_newfstatat+0x89/0x100 [ 1778.921893] ? SyS_newlstat+0xf0/0xf0 [ 1778.925689] ? __might_fault+0x177/0x1b0 [ 1778.929746] ? SyS_getdents+0x1d0/0x270 [ 1778.933723] ? SyS_old_readdir+0x150/0x150 [ 1778.937973] ? compat_fillonedir+0x260/0x260 [ 1778.942386] ? do_syscall_64+0x43/0x4b0 [ 1778.946356] ? SyS_newlstat+0xf0/0xf0 [ 1778.950151] do_syscall_64+0x19b/0x4b0 [ 1778.954051] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1778.959234] RIP: 0033:0x7fe72a00be1a [ 1778.962964] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1778.970684] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1778.977961] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1778.985263] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1778.992523] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1778.999795] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1779.024340] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1779.030854] Call Trace: [ 1779.033435] dump_stack+0xb9/0x11b [ 1779.036998] warn_alloc.cold.35+0x9d/0x1b7 [ 1779.041225] ? zone_watermark_ok_safe+0x240/0x240 [ 1779.046067] ? usleep_range+0x130/0x130 [ 1779.050089] __alloc_pages_nodemask+0x1425/0x2280 [ 1779.054962] ? get_page_from_freelist+0x756/0x1ea0 [ 1779.059887] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1779.064731] ? __lock_acquire+0x619/0x4320 [ 1779.069015] ? check_preemption_disabled+0x34/0x1e0 [ 1779.074060] ? new_slab+0x358/0x470 [ 1779.077685] new_slab+0x3c0/0x470 [ 1779.081158] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1779.086170] ? getname_flags+0xc4/0x540 [ 1779.090147] ? fs_reclaim_acquire+0x10/0x10 [ 1779.094488] ? check_preemption_disabled+0x34/0x1e0 [ 1779.099493] ? getname_flags+0xc4/0x540 [ 1779.103482] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1779.108924] ? getname_flags+0xc4/0x540 [ 1779.112883] kmem_cache_alloc+0x19e/0x2b0 [ 1779.117052] getname_flags+0xc4/0x540 [ 1779.120881] user_path_at_empty+0x28/0x80 [ 1779.125061] vfs_statx+0xe1/0x180 [ 1779.128514] ? vfs_statx_fd+0x90/0x90 [ 1779.132334] SyS_newstat+0x81/0xf0 [ 1779.135876] ? SyS_fstat+0xe0/0xe0 [ 1779.139422] ? up_read+0x17/0x30 [ 1779.142784] ? __do_page_fault+0x64c/0xb60 [ 1779.147037] ? do_syscall_64+0x43/0x4b0 [ 1779.151015] ? SyS_fstat+0xe0/0xe0 [ 1779.154551] do_syscall_64+0x19b/0x4b0 [ 1779.158447] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1779.163638] RIP: 0033:0x7f5cb3133c65 [ 1779.167339] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1779.175150] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1779.182432] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1779.189705] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1779.196969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1779.204234] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1779.221003] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1779.227504] Call Trace: [ 1779.230130] dump_stack+0xb9/0x11b [ 1779.233669] warn_alloc.cold.35+0x9d/0x1b7 [ 1779.237896] ? zone_watermark_ok_safe+0x240/0x240 [ 1779.242733] ? usleep_range+0x130/0x130 [ 1779.246735] __alloc_pages_nodemask+0x1425/0x2280 [ 1779.251599] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1779.256471] ? __lock_acquire+0x619/0x4320 [ 1779.260716] ? __lock_acquire+0x619/0x4320 [ 1779.264953] ? __lock_acquire+0x619/0x4320 [ 1779.269320] ? new_slab+0x358/0x470 [ 1779.272948] new_slab+0x3c0/0x470 [ 1779.276424] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1779.281446] ? getname_flags+0xc4/0x540 [ 1779.285436] ? fs_reclaim_acquire+0x10/0x10 [ 1779.289796] ? check_preemption_disabled+0x34/0x1e0 [ 1779.294810] ? getname_flags+0xc4/0x540 [ 1779.298792] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1779.304330] ? getname_flags+0xc4/0x540 [ 1779.308313] kmem_cache_alloc+0x19e/0x2b0 [ 1779.312455] getname_flags+0xc4/0x540 [ 1779.316269] user_path_at_empty+0x28/0x80 [ 1779.320430] vfs_statx+0xe1/0x180 [ 1779.323884] ? vfs_statx_fd+0x90/0x90 [ 1779.327700] ? __might_fault+0x104/0x1b0 [ 1779.331766] ? lock_downgrade+0x560/0x560 [ 1779.335904] ? lock_acquire+0x10f/0x380 [ 1779.339869] ? __might_fault+0xd4/0x1b0 [ 1779.343844] SyS_newfstatat+0x89/0x100 [ 1779.347728] ? SyS_newlstat+0xf0/0xf0 [ 1779.351519] ? __might_fault+0x177/0x1b0 [ 1779.355572] ? SyS_getdents+0x1d0/0x270 [ 1779.359565] ? SyS_old_readdir+0x150/0x150 [ 1779.363792] ? compat_fillonedir+0x260/0x260 [ 1779.368201] ? do_syscall_64+0x43/0x4b0 [ 1779.372168] ? SyS_newlstat+0xf0/0xf0 [ 1779.375964] do_syscall_64+0x19b/0x4b0 [ 1779.379855] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1779.385035] RIP: 0033:0x7f7afb061e1a [ 1779.388754] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1779.396465] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1779.403732] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1779.411015] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1779.418279] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1779.425549] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1779.445395] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1779.452065] Call Trace: [ 1779.454669] dump_stack+0xb9/0x11b [ 1779.458216] warn_alloc.cold.35+0x9d/0x1b7 [ 1779.462446] ? zone_watermark_ok_safe+0x240/0x240 [ 1779.467311] ? usleep_range+0x130/0x130 [ 1779.471297] ? do_try_to_free_pages+0xde0/0xde0 [ 1779.475994] __alloc_pages_nodemask+0x1425/0x2280 [ 1779.480859] ? check_preemption_disabled+0x34/0x1e0 [ 1779.485877] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1779.490722] ? find_get_entry+0x118/0x550 [ 1779.494873] ? check_preemption_disabled+0x34/0x1e0 [ 1779.499895] ? check_preemption_disabled+0x34/0x1e0 [ 1779.504944] ? find_get_entry+0x13f/0x550 [ 1779.509119] ? pagecache_get_page+0x129/0x770 [ 1779.513630] filemap_fault+0xcdd/0x14a0 [ 1779.517632] ext4_filemap_fault+0x7d/0xb0 [ 1779.521777] __do_fault+0x80/0x210 [ 1779.525340] __handle_mm_fault+0x991/0x25f0 [ 1779.529670] ? vm_insert_page+0x6d0/0x6d0 [ 1779.533816] ? HARDIRQ_verbose+0x10/0x10 [ 1779.537883] ? HARDIRQ_verbose+0x10/0x10 [ 1779.541943] ? SyS_futex+0x249/0x2b5 [ 1779.545684] ? check_preemption_disabled+0x34/0x1e0 [ 1779.550726] handle_mm_fault+0x2f2/0x6eb [ 1779.554793] __do_page_fault+0x45d/0xb60 [ 1779.558854] ? retint_user+0x18/0x18 [ 1779.562561] ? bad_area_access_error+0x330/0x330 [ 1779.567309] ? page_fault+0x2c/0x50 [ 1779.570926] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1779.575786] ? page_fault+0x2c/0x50 [ 1779.579408] page_fault+0x42/0x50 [ 1779.582865] RIP: 0020:0x13 [ 1779.585710] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1779.599585] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1779.611601] Call Trace: [ 1779.614183] dump_stack+0xb9/0x11b [ 1779.617740] warn_alloc.cold.35+0x9d/0x1b7 [ 1779.621987] ? zone_watermark_ok_safe+0x240/0x240 [ 1779.626851] ? usleep_range+0x130/0x130 [ 1779.630877] ? do_try_to_free_pages+0xde0/0xde0 [ 1779.635591] __alloc_pages_nodemask+0x1425/0x2280 [ 1779.640469] ? check_preemption_disabled+0x34/0x1e0 [ 1779.645507] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1779.650349] ? find_get_entry+0x118/0x550 [ 1779.654502] ? check_preemption_disabled+0x34/0x1e0 [ 1779.659519] ? check_preemption_disabled+0x34/0x1e0 [ 1779.664555] ? find_get_entry+0x13f/0x550 [ 1779.668720] ? pagecache_get_page+0x129/0x770 [ 1779.673222] filemap_fault+0xcdd/0x14a0 [ 1779.677241] ext4_filemap_fault+0x7d/0xb0 [ 1779.681391] __do_fault+0x80/0x210 [ 1779.684931] __handle_mm_fault+0x991/0x25f0 [ 1779.689263] ? vm_insert_page+0x6d0/0x6d0 [ 1779.693407] ? HARDIRQ_verbose+0x10/0x10 [ 1779.697486] ? HARDIRQ_verbose+0x10/0x10 [ 1779.701545] ? SyS_futex+0x249/0x2b5 [ 1779.705286] ? check_preemption_disabled+0x34/0x1e0 [ 1779.710308] handle_mm_fault+0x2f2/0x6eb [ 1779.714370] __do_page_fault+0x45d/0xb60 [ 1779.718431] ? retint_user+0x18/0x18 [ 1779.722151] ? bad_area_access_error+0x330/0x330 [ 1779.726903] ? page_fault+0x2c/0x50 [ 1779.730528] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1779.735373] ? page_fault+0x2c/0x50 [ 1779.738995] page_fault+0x42/0x50 [ 1779.742442] RIP: 0020:0x13 [ 1779.745283] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1779.797643] [24772] 0 24772 17618 12677 31 3 0 1000 syz-executor5 [ 1779.852501] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1780.116833] 10506 total pagecache pages [ 1780.132819] [24846] 0 24846 17618 12677 31 3 0 1000 syz-executor5 [ 1780.202063] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1780.240585] 0 pages in swap cache [ 1780.244040] Swap cache stats: add 0, delete 0, find 0/0 [ 1780.249401] Free swap = 0kB [ 1780.291858] warn_alloc: 13 callbacks suppressed [ 1780.291863] syz-executor5: page allocation stalls for 160130ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1780.350000] warn_alloc_show_mem: 1 callbacks suppressed [ 1780.350004] Mem-Info: [ 1780.357909] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1780.357909] active_file:29 inactive_file:83 isolated_file:0 [ 1780.357909] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1780.357909] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1780.357909] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1780.357909] free:4392 free_pcp:0 free_cma:0 [ 1780.404369] lowmem_reserve[]: 0 0 0 [ 1780.408021] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1780.436300] [24914] 0 24914 17618 12677 31 3 0 1000 syz-executor5 [ 1780.450119] syz-executor0: page allocation stalls for 160080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1780.534473] CPU: 1 PID: 1842 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1780.541407] Call Trace: [ 1780.543996] dump_stack+0xb9/0x11b [ 1780.547544] warn_alloc.cold.35+0x9d/0x1b7 [ 1780.551777] ? zone_watermark_ok_safe+0x240/0x240 [ 1780.556619] ? usleep_range+0x130/0x130 [ 1780.560636] __alloc_pages_nodemask+0x1425/0x2280 [ 1780.565500] ? finish_task_switch+0x1e6/0x610 [ 1780.569996] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1780.574858] ? __lock_acquire+0x619/0x4320 [ 1780.579086] ? finish_task_switch+0x1bd/0x610 [ 1780.583583] ? __lock_acquire+0x619/0x4320 [ 1780.587829] ? _raw_spin_unlock_irq+0x35/0x50 [ 1780.592317] ? finish_task_switch+0x1e6/0x610 [ 1780.596855] ? new_slab+0x358/0x470 [ 1780.600518] new_slab+0x3c0/0x470 [ 1780.603999] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1780.609039] ? getname_flags+0xc4/0x540 [ 1780.613023] ? fs_reclaim_acquire+0x10/0x10 [ 1780.617354] ? check_preemption_disabled+0x34/0x1e0 [ 1780.622370] ? getname_flags+0xc4/0x540 [ 1780.626337] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1780.631787] ? getname_flags+0xc4/0x540 [ 1780.635755] kmem_cache_alloc+0x19e/0x2b0 [ 1780.639905] getname_flags+0xc4/0x540 [ 1780.643732] do_sys_open+0x1ea/0x580 [ 1780.647444] ? filp_open+0x60/0x60 [ 1780.650997] ? SyS_nanosleep+0x138/0x190 [ 1780.655055] ? hrtimer_nanosleep+0x470/0x470 [ 1780.659479] ? do_syscall_64+0x43/0x4b0 [ 1780.663451] ? do_sys_open+0x580/0x580 [ 1780.667344] do_syscall_64+0x19b/0x4b0 [ 1780.671237] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1780.676430] RIP: 0033:0x455680 [ 1780.679608] RSP: 002b:00007fffed769380 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1780.687313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1780.694575] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1780.701837] RBP: 0000000000000b38 R08: 0000000000000001 R09: 00000000015ef940 [ 1780.709101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001e [ 1780.716379] R13: 000000000018ad11 R14: 000000000000029b R15: 0000000000000000 [ 1780.743091] Total swap = 0kB [ 1780.746128] 1965979 pages RAM [ 1780.749290] 0 pages HighMem/MovableOnly [ 1780.804605] [24938] 0 24938 17585 8199 24 3 0 1000 syz-executor3 [ 1780.849184] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1780.856123] Call Trace: [ 1780.858706] dump_stack+0xb9/0x11b [ 1780.862269] warn_alloc.cold.35+0x9d/0x1b7 [ 1780.866502] ? zone_watermark_ok_safe+0x240/0x240 [ 1780.871340] ? usleep_range+0x130/0x130 [ 1780.875346] __alloc_pages_nodemask+0x1425/0x2280 [ 1780.880233] ? finish_task_switch+0x1e6/0x610 [ 1780.884806] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1780.889660] ? __lock_acquire+0x619/0x4320 [ 1780.893886] ? finish_task_switch+0x1bd/0x610 [ 1780.898375] ? __lock_acquire+0x619/0x4320 [ 1780.902603] ? _raw_spin_unlock_irq+0x35/0x50 [ 1780.907087] ? finish_task_switch+0x1e6/0x610 [ 1780.911633] ? new_slab+0x358/0x470 [ 1780.915280] new_slab+0x3c0/0x470 [ 1780.918736] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1780.923752] ? getname_flags+0xc4/0x540 [ 1780.927744] ? fs_reclaim_acquire+0x10/0x10 [ 1780.932083] ? check_preemption_disabled+0x34/0x1e0 [ 1780.937114] ? getname_flags+0xc4/0x540 [ 1780.941102] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1780.946552] ? getname_flags+0xc4/0x540 [ 1780.950524] kmem_cache_alloc+0x19e/0x2b0 [ 1780.954693] getname_flags+0xc4/0x540 [ 1780.958498] do_sys_open+0x1ea/0x580 [ 1780.962209] ? filp_open+0x60/0x60 [ 1780.965745] ? SyS_nanosleep+0x138/0x190 [ 1780.969797] ? hrtimer_nanosleep+0x470/0x470 [ 1780.974262] ? do_syscall_64+0x43/0x4b0 [ 1780.978228] ? do_sys_open+0x580/0x580 [ 1780.982141] do_syscall_64+0x19b/0x4b0 [ 1780.986033] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1780.991213] RIP: 0033:0x455680 [ 1780.994391] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1781.002097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1781.009356] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1781.016623] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1781.023888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1781.031182] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1781.042814] 315641 pages reserved [ 1781.048007] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1781.068491] [24944] 0 24944 17618 8201 24 3 0 1000 syz-executor3 [ 1781.077993] lowmem_reserve[]: 0 3505 3505 [ 1781.082296] modprobe: page allocation stalls for 162600ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1781.097097] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:108kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1781.126202] 10506 total pagecache pages [ 1781.130259] [24952] 0 24952 17684 8239 27 4 0 1000 syz-executor0 [ 1781.139745] [24982] 0 24982 17618 12677 31 3 0 1000 syz-executor5 [ 1781.149311] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1781.239269] modprobe: page allocation stalls for 163070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1781.298728] 0 pages in swap cache [ 1781.314157] CPU: 1 PID: 9321 Comm: modprobe Not tainted 4.14.87+ #21 [ 1781.320660] Call Trace: [ 1781.323247] dump_stack+0xb9/0x11b [ 1781.326794] warn_alloc.cold.35+0x9d/0x1b7 [ 1781.331023] ? zone_watermark_ok_safe+0x240/0x240 [ 1781.335950] __alloc_pages_nodemask+0x1425/0x2280 [ 1781.340850] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1781.345709] ? __lock_acquire+0x619/0x4320 [ 1781.349940] ? check_preemption_disabled+0x34/0x1e0 [ 1781.354987] ? new_slab+0x358/0x470 [ 1781.358615] new_slab+0x3c0/0x470 [ 1781.362070] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1781.367092] ? getname_flags+0xc4/0x540 [ 1781.371088] ? fs_reclaim_acquire+0x10/0x10 [ 1781.375406] ? check_preemption_disabled+0x34/0x1e0 [ 1781.380416] ? getname_flags+0xc4/0x540 [ 1781.384384] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1781.389826] ? getname_flags+0xc4/0x540 [ 1781.393804] kmem_cache_alloc+0x19e/0x2b0 [ 1781.397978] getname_flags+0xc4/0x540 [ 1781.401796] user_path_at_empty+0x28/0x80 [ 1781.405938] vfs_statx+0xe1/0x180 [ 1781.409399] ? vfs_statx_fd+0x90/0x90 [ 1781.413193] ? mntput_no_expire+0xca/0x830 [ 1781.417433] SyS_newstat+0x81/0xf0 [ 1781.420970] ? SyS_fstat+0xe0/0xe0 [ 1781.424511] ? _raw_spin_unlock_irq+0x24/0x50 [ 1781.429024] ? trace_hardirqs_on_caller+0x381/0x520 [ 1781.434030] ? _raw_spin_unlock_irq+0x35/0x50 [ 1781.438512] ? task_work_run+0xec/0x190 [ 1781.442489] ? do_syscall_64+0x43/0x4b0 [ 1781.446496] ? SyS_fstat+0xe0/0xe0 [ 1781.450024] do_syscall_64+0x19b/0x4b0 [ 1781.453913] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1781.459098] RIP: 0033:0x7f5976a38c65 [ 1781.462817] RSP: 002b:00007fff28bf3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1781.470520] RAX: ffffffffffffffda RBX: 00007f5976d04481 RCX: 00007f5976a38c65 [ 1781.477846] RDX: 00007fff28bf3e80 RSI: 00007fff28bf3e80 RDI: 00007f5976d04481 [ 1781.485123] RBP: 00007f5976f092f0 R08: 00007f5976cefef8 R09: 00007f5976a8c070 [ 1781.492381] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f4d17c160 [ 1781.499644] R13: 00007fff28bf3fb3 R14: 0000000000000010 R15: 00055facc785c680 [ 1781.543396] Swap cache stats: add 0, delete 0, find 0/0 [ 1781.548761] Free swap = 0kB [ 1781.593968] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1781.600497] Call Trace: [ 1781.603086] dump_stack+0xb9/0x11b [ 1781.606633] warn_alloc.cold.35+0x9d/0x1b7 [ 1781.610869] ? zone_watermark_ok_safe+0x240/0x240 [ 1781.615711] ? usleep_range+0x130/0x130 [ 1781.619725] __alloc_pages_nodemask+0x1425/0x2280 [ 1781.624586] ? __kernel_text_address+0x9/0x30 [ 1781.629085] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1781.633941] ? __lock_acquire+0x619/0x4320 [ 1781.638178] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1781.642682] ? kmemdup+0x20/0x50 [ 1781.646042] ? selinux_cred_prepare+0x3e/0x90 [ 1781.650554] ? new_slab+0x358/0x470 [ 1781.654185] new_slab+0x3c0/0x470 [ 1781.657646] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1781.662665] ? getname_flags+0xc4/0x540 [ 1781.666651] ? fs_reclaim_acquire+0x10/0x10 [ 1781.670983] ? check_preemption_disabled+0x34/0x1e0 [ 1781.675999] ? getname_flags+0xc4/0x540 [ 1781.679976] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1781.685428] ? getname_flags+0xc4/0x540 [ 1781.689406] kmem_cache_alloc+0x19e/0x2b0 [ 1781.693555] getname_flags+0xc4/0x540 [ 1781.697360] user_path_at_empty+0x28/0x80 [ 1781.701512] SyS_faccessat+0x20d/0x660 [ 1781.705406] ? SyS_fallocate+0x80/0x80 [ 1781.709302] ? do_syscall_64+0x43/0x4b0 [ 1781.713279] ? SyS_faccessat+0x660/0x660 [ 1781.717342] do_syscall_64+0x19b/0x4b0 [ 1781.721242] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1781.726430] RIP: 0033:0x7fd4ad02d267 [ 1781.730139] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1781.737844] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1781.745108] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1781.752370] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1781.759635] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1781.766896] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1781.867486] Total swap = 0kB [ 1781.912089] Mem-Info: [ 1781.914522] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1781.914522] active_file:29 inactive_file:83 isolated_file:0 [ 1781.914522] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1781.914522] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1781.914522] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1781.914522] free:4392 free_pcp:0 free_cma:0 [ 1781.963618] 1965979 pages RAM [ 1781.966747] 0 pages HighMem/MovableOnly [ 1781.970802] [25012] 0 25012 17618 8232 25 4 0 1000 syz-executor1 [ 1782.096690] 315641 pages reserved [ 1782.112782] lowmem_reserve[]: 0 0 0 [ 1782.116456] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1782.131997] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1782.192116] [25053] 0 25053 17618 12677 31 3 0 1000 syz-executor5 [ 1782.294669] syz-executor4: page allocation stalls for 162100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1782.361269] [25062] 0 25062 17585 8230 25 4 0 1000 syz-executor1 [ 1782.382067] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1782.394792] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1782.401728] Call Trace: [ 1782.404346] dump_stack+0xb9/0x11b [ 1782.407892] warn_alloc.cold.35+0x9d/0x1b7 [ 1782.412120] ? zone_watermark_ok_safe+0x240/0x240 [ 1782.416959] ? usleep_range+0x130/0x130 [ 1782.420983] __alloc_pages_nodemask+0x1425/0x2280 [ 1782.425857] ? finish_task_switch+0x1e6/0x610 [ 1782.430357] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1782.435194] ? __lock_acquire+0x619/0x4320 [ 1782.439415] ? finish_task_switch+0x1bd/0x610 [ 1782.443910] ? __lock_acquire+0x619/0x4320 [ 1782.448140] ? _raw_spin_unlock_irq+0x35/0x50 [ 1782.452641] ? finish_task_switch+0x1e6/0x610 [ 1782.457155] ? new_slab+0x358/0x470 [ 1782.460779] new_slab+0x3c0/0x470 [ 1782.464236] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1782.469276] ? getname_flags+0xc4/0x540 [ 1782.473260] ? fs_reclaim_acquire+0x10/0x10 [ 1782.477582] ? check_preemption_disabled+0x34/0x1e0 [ 1782.482596] ? getname_flags+0xc4/0x540 [ 1782.486568] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1782.492023] ? getname_flags+0xc4/0x540 [ 1782.495987] kmem_cache_alloc+0x19e/0x2b0 [ 1782.500136] getname_flags+0xc4/0x540 [ 1782.503937] do_sys_open+0x1ea/0x580 [ 1782.507736] ? filp_open+0x60/0x60 [ 1782.511277] ? SyS_nanosleep+0x138/0x190 [ 1782.515331] ? hrtimer_nanosleep+0x470/0x470 [ 1782.519748] ? do_syscall_64+0x43/0x4b0 [ 1782.523718] ? do_sys_open+0x580/0x580 [ 1782.527602] do_syscall_64+0x19b/0x4b0 [ 1782.531505] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1782.536686] RIP: 0033:0x455680 [ 1782.539885] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1782.547589] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1782.554849] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1782.562106] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1782.569364] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1782.576628] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1782.636871] syz-executor2: page allocation stalls for 164360ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1782.710170] [25134] 0 25134 17618 12677 31 3 0 1000 syz-executor5 [ 1782.719638] [25163] 0 25163 17618 12677 31 3 0 1000 syz-executor5 [ 1782.836073] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1782.902084] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1782.909011] Call Trace: [ 1782.911614] dump_stack+0xb9/0x11b [ 1782.915173] warn_alloc.cold.35+0x9d/0x1b7 [ 1782.919403] ? zone_watermark_ok_safe+0x240/0x240 [ 1782.924266] ? usleep_range+0x130/0x130 [ 1782.928286] __alloc_pages_nodemask+0x1425/0x2280 [ 1782.933145] ? debug_check_no_obj_freed+0x150/0x77c [ 1782.938178] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1782.943031] ? __lock_acquire+0x619/0x4320 [ 1782.947269] ? __lock_acquire+0x619/0x4320 [ 1782.951499] ? lock_acquire+0x10f/0x380 [ 1782.955490] ? avc_has_perm+0x9e/0x390 [ 1782.959422] ? new_slab+0x358/0x470 [ 1782.963052] new_slab+0x3c0/0x470 [ 1782.966511] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1782.971530] ? __might_fault+0x104/0x1b0 [ 1782.975589] ? getname_flags+0xc4/0x540 [ 1782.979573] ? fs_reclaim_acquire+0x10/0x10 [ 1782.983901] ? check_preemption_disabled+0x34/0x1e0 [ 1782.988926] ? getname_flags+0xc4/0x540 [ 1782.992899] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1782.998341] ? getname_flags+0xc4/0x540 [ 1783.002307] kmem_cache_alloc+0x19e/0x2b0 [ 1783.006452] getname_flags+0xc4/0x540 [ 1783.010296] ? SyS_unlinkat+0x70/0x70 [ 1783.014096] do_unlinkat+0xc9/0x650 [ 1783.017729] ? do_rmdir+0x3a0/0x3a0 [ 1783.021359] ? SyS_newlstat+0x92/0xf0 [ 1783.025171] ? SyS_newstat+0xf0/0xf0 [ 1783.028923] ? do_syscall_64+0x43/0x4b0 [ 1783.032891] ? SyS_unlinkat+0x70/0x70 [ 1783.036694] do_syscall_64+0x19b/0x4b0 [ 1783.040591] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1783.045772] RIP: 0033:0x4573c7 [ 1783.048972] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1783.056765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1783.064031] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1783.071290] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1783.078547] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1783.085807] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1783.095006] lowmem_reserve[]: 0 3505 3505 [ 1783.099207] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.146472] 10506 total pagecache pages [ 1783.230767] 0 pages in swap cache [ 1783.234242] Swap cache stats: add 0, delete 0, find 0/0 [ 1783.239596] Free swap = 0kB [ 1783.353929] [25171] 0 25171 17618 8236 27 4 0 1000 syz-executor2 [ 1783.376835] Total swap = 0kB [ 1783.379859] 1965979 pages RAM [ 1783.383061] [25220] 0 25220 17651 8241 27 4 0 1000 syz-executor2 [ 1783.392571] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.421556] 0 pages HighMem/MovableOnly [ 1783.425530] 315641 pages reserved [ 1783.430063] warn_alloc_show_mem: 3 callbacks suppressed [ 1783.430067] Mem-Info: [ 1783.437840] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1783.437840] active_file:29 inactive_file:72 isolated_file:11 [ 1783.437840] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1783.437840] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1783.437840] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1783.437840] free:4392 free_pcp:0 free_cma:0 [ 1783.471478] [25260] 0 25260 17618 12677 31 3 0 1000 syz-executor5 [ 1783.488264] lowmem_reserve[]: 0 0 0 [ 1783.492315] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1783.505833] [25331] 0 25331 17618 12677 31 3 0 1000 syz-executor5 [ 1783.518944] [25349] 0 25349 17618 8202 25 3 0 1000 syz-executor0 [ 1783.528436] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1783.541210] lowmem_reserve[]: 0 3505 3505 [ 1783.545401] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.574493] [25360] 0 25360 17618 12677 31 3 0 1000 syz-executor5 [ 1783.583985] 10506 total pagecache pages [ 1783.587956] 0 pages in swap cache [ 1783.593131] [25361] 0 25361 17618 8201 24 3 0 1000 syz-executor0 [ 1783.607541] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:288kB unevictable:74848kB isolated(anon):0kB isolated(file):44kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1783.634240] Swap cache stats: add 0, delete 0, find 0/0 [ 1783.639608] Free swap = 0kB [ 1783.642724] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1783.652363] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1783.659377] Call Trace: [ 1783.661966] dump_stack+0xb9/0x11b [ 1783.665513] warn_alloc.cold.35+0x9d/0x1b7 [ 1783.669749] ? zone_watermark_ok_safe+0x240/0x240 [ 1783.674605] ? __lock_acquire+0x619/0x4320 [ 1783.678868] __alloc_pages_nodemask+0x19f4/0x2280 [ 1783.683757] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1783.688606] ? perf_trace_lock+0x11a/0x4c0 [ 1783.692837] ? trace_hardirqs_on+0x10/0x10 [ 1783.697090] ? HARDIRQ_verbose+0x10/0x10 [ 1783.701162] ? check_preemption_disabled+0x34/0x1e0 [ 1783.706195] new_slab+0x3c0/0x470 [ 1783.709660] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1783.714675] ? __sigqueue_alloc+0x1d9/0x400 [ 1783.718990] ? check_preemption_disabled+0x34/0x1e0 [ 1783.724022] ? check_preemption_disabled+0x34/0x1e0 [ 1783.729038] ? __sigqueue_alloc+0x1d9/0x400 [ 1783.733358] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1783.738807] ? __sigqueue_alloc+0x1d9/0x400 [ 1783.743136] kmem_cache_alloc+0x19e/0x2b0 [ 1783.747294] __sigqueue_alloc+0x1d9/0x400 [ 1783.751442] __send_signal+0x1b0/0x1200 [ 1783.755434] force_sig_info+0x241/0x340 [ 1783.759541] force_sig_info_fault.constprop.7+0x129/0x210 [ 1783.765073] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1783.770181] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1783.775117] ? bad_area_access_error+0x1de/0x330 [ 1783.779881] __bad_area_nosemaphore+0x192/0x280 [ 1783.784557] bad_area_access_error+0x1ff/0x330 [ 1783.789135] ? mm_fault_error+0x2b0/0x2b0 [ 1783.793282] ? vmacache_find+0x50/0x250 [ 1783.797286] __do_page_fault+0x6d0/0xb60 [ 1783.801349] ? retint_user+0x18/0x18 [ 1783.805063] ? bad_area_access_error+0x330/0x330 [ 1783.810306] ? page_fault+0x2c/0x50 [ 1783.813925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1783.818771] ? page_fault+0x2c/0x50 [ 1783.822400] page_fault+0x42/0x50 [ 1783.825849] RIP: 4c59bd:0x4da048 [ 1783.829205] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1783.829272] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1783.842578] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1783.851582] node 0: slabs: 32586, objs: 586548, free: 0 [ 1783.866559] [25428] 0 25428 17618 12677 31 3 0 1000 syz-executor5 [ 1783.876070] Total swap = 0kB [ 1783.879087] 1965979 pages RAM [ 1783.882287] lowmem_reserve[]: 0 0 0 [ 1783.885946] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1783.899447] 0 pages HighMem/MovableOnly [ 1783.903522] [25506] 0 25506 17618 12677 31 3 0 1000 syz-executor5 [ 1783.913034] 315641 pages reserved [ 1783.918123] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1783.947144] [25527] 0 25527 17651 8236 26 4 0 1000 syz-executor1 [ 1783.959985] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1783.972835] [25565] 0 25565 17618 12677 31 3 0 1000 syz-executor5 [ 1783.988061] 10506 total pagecache pages [ 1783.993037] [25566] 0 25566 17651 8236 26 4 0 1000 syz-executor1 [ 1784.004227] 0 pages in swap cache [ 1784.007687] Swap cache stats: add 0, delete 0, find 0/0 [ 1784.013089] lowmem_reserve[]: 0 3505 3505 [ 1784.017297] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1784.046689] [25584] 0 25584 17651 8238 26 4 0 1000 syz-executor3 [ 1784.056180] Free swap = 0kB [ 1784.059191] Total swap = 0kB [ 1784.065968] 1965979 pages RAM [ 1784.069070] 0 pages HighMem/MovableOnly [ 1784.073713] [25591] 0 25591 17651 8238 26 4 0 1000 syz-executor3 [ 1784.087424] 315641 pages reserved [ 1784.097736] [25611] 0 25611 17585 8198 24 3 0 1000 syz-executor3 [ 1784.203177] modprobe: page allocation stalls for 165950ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1784.222348] kthreadd: page allocation stalls for 166030ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1784.315534] modprobe: page allocation stalls for 165830ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1784.475162] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1784.481668] Call Trace: [ 1784.484261] dump_stack+0xb9/0x11b [ 1784.487806] warn_alloc.cold.35+0x9d/0x1b7 [ 1784.492035] ? zone_watermark_ok_safe+0x240/0x240 [ 1784.496874] ? usleep_range+0x130/0x130 [ 1784.500883] __alloc_pages_nodemask+0x1425/0x2280 [ 1784.505753] ? perf_trace_lock+0x11a/0x4c0 [ 1784.509987] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1784.514825] ? check_preemption_disabled+0x34/0x1e0 [ 1784.519839] ? __lock_acquire+0x619/0x4320 [ 1784.524109] ? new_slab+0x358/0x470 [ 1784.527757] new_slab+0x3c0/0x470 [ 1784.531266] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1784.536296] ? getname_flags+0xc4/0x540 [ 1784.540301] ? fs_reclaim_acquire+0x10/0x10 [ 1784.544623] ? check_preemption_disabled+0x34/0x1e0 [ 1784.549635] ? getname_flags+0xc4/0x540 [ 1784.553605] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1784.559049] ? getname_flags+0xc4/0x540 [ 1784.563040] kmem_cache_alloc+0x19e/0x2b0 [ 1784.567221] getname_flags+0xc4/0x540 [ 1784.571059] user_path_at_empty+0x28/0x80 [ 1784.575205] vfs_statx+0xe1/0x180 [ 1784.578673] ? vfs_statx_fd+0x90/0x90 [ 1784.582501] SyS_newstat+0x81/0xf0 [ 1784.586036] ? SyS_fstat+0xe0/0xe0 [ 1784.589613] ? up_read+0x17/0x30 [ 1784.592973] ? __do_page_fault+0x64c/0xb60 [ 1784.597208] ? do_syscall_64+0x43/0x4b0 [ 1784.601178] ? SyS_fstat+0xe0/0xe0 [ 1784.604711] do_syscall_64+0x19b/0x4b0 [ 1784.608605] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1784.613787] RIP: 0033:0x7f810d837c65 [ 1784.617505] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1784.625221] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1784.632492] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1784.639757] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1784.647020] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1784.654283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1784.749507] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1784.755753] Call Trace: [ 1784.758351] dump_stack+0xb9/0x11b [ 1784.761894] warn_alloc.cold.35+0x9d/0x1b7 [ 1784.766167] ? zone_watermark_ok_safe+0x240/0x240 [ 1784.771093] __alloc_pages_nodemask+0x1425/0x2280 [ 1784.775980] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1784.780950] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1784.785791] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1784.791031] ? copy_process.part.6+0x1435/0x6530 [ 1784.795810] ? rcu_read_lock_sched_held+0x102/0x120 [ 1784.800843] copy_process.part.6+0x267/0x6530 [ 1784.805364] ? __lock_acquire+0x619/0x4320 [ 1784.810074] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1784.815174] ? kthread_create_on_node+0xe0/0xe0 [ 1784.819838] ? __cleanup_sighand+0x40/0x40 [ 1784.824070] ? perf_trace_lock+0x11a/0x4c0 [ 1784.828294] ? check_preemption_disabled+0x34/0x1e0 [ 1784.833306] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1784.838235] _do_fork+0x1c2/0xd50 [ 1784.841707] ? kthread_create_on_node+0xe0/0xe0 [ 1784.846383] ? fork_idle+0x250/0x250 [ 1784.850092] ? kthreadd+0x28a/0x3d0 [ 1784.853714] ? lock_downgrade+0x560/0x560 [ 1784.857850] ? lock_acquire+0x10f/0x380 [ 1784.861814] ? kthreadd+0x1c4/0x3d0 [ 1784.865438] ? kthread_create_on_node+0xe0/0xe0 [ 1784.870192] kernel_thread+0x2f/0x40 [ 1784.873904] kthreadd+0x29e/0x3d0 [ 1784.877384] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1784.882144] ? finish_task_switch+0x1e6/0x610 [ 1784.886634] ? __switch_to_asm+0x34/0x70 [ 1784.890682] ? __switch_to_asm+0x40/0x70 [ 1784.894727] ? __switch_to_asm+0x34/0x70 [ 1784.898775] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1784.903528] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1784.908285] ret_from_fork+0x3a/0x50 [ 1784.929722] [25613] 0 25613 17585 8189 23 3 0 1000 syz-executor1 [ 1784.939591] lowmem_reserve[]: 0 0 0 [ 1784.994027] CPU: 1 PID: 9321 Comm: modprobe Not tainted 4.14.87+ #21 [ 1785.000533] Call Trace: [ 1785.003117] dump_stack+0xb9/0x11b [ 1785.006675] warn_alloc.cold.35+0x9d/0x1b7 [ 1785.010922] ? zone_watermark_ok_safe+0x240/0x240 [ 1785.015758] ? usleep_range+0x130/0x130 [ 1785.019796] __alloc_pages_nodemask+0x1425/0x2280 [ 1785.024669] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1785.029517] ? __lock_acquire+0x619/0x4320 [ 1785.033759] ? check_preemption_disabled+0x34/0x1e0 [ 1785.038797] ? new_slab+0x358/0x470 [ 1785.042422] new_slab+0x3c0/0x470 [ 1785.045890] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1785.050911] ? getname_flags+0xc4/0x540 [ 1785.054884] ? fs_reclaim_acquire+0x10/0x10 [ 1785.059265] ? check_preemption_disabled+0x34/0x1e0 [ 1785.064325] ? getname_flags+0xc4/0x540 [ 1785.068291] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1785.073739] ? getname_flags+0xc4/0x540 [ 1785.077706] kmem_cache_alloc+0x19e/0x2b0 [ 1785.081851] getname_flags+0xc4/0x540 [ 1785.085658] user_path_at_empty+0x28/0x80 [ 1785.089803] vfs_statx+0xe1/0x180 [ 1785.093254] ? vfs_statx_fd+0x90/0x90 [ 1785.097081] ? mntput_no_expire+0xca/0x830 [ 1785.101323] SyS_newstat+0x81/0xf0 [ 1785.104854] ? SyS_fstat+0xe0/0xe0 [ 1785.108418] ? _raw_spin_unlock_irq+0x24/0x50 [ 1785.112907] ? trace_hardirqs_on_caller+0x381/0x520 [ 1785.117953] ? _raw_spin_unlock_irq+0x35/0x50 [ 1785.122451] ? task_work_run+0xec/0x190 [ 1785.126428] ? do_syscall_64+0x43/0x4b0 [ 1785.130396] ? SyS_fstat+0xe0/0xe0 [ 1785.133924] do_syscall_64+0x19b/0x4b0 [ 1785.137816] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1785.143012] RIP: 0033:0x7f5976a38c65 [ 1785.146712] RSP: 002b:00007fff28bf3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1785.154429] RAX: ffffffffffffffda RBX: 00007f5976d04481 RCX: 00007f5976a38c65 [ 1785.161689] RDX: 00007fff28bf3e80 RSI: 00007fff28bf3e80 RDI: 00007f5976d04481 [ 1785.168963] RBP: 00007f5976f092f0 R08: 00007f5976cefef8 R09: 00007f5976a8c070 [ 1785.176222] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f4d17c160 [ 1785.183486] R13: 00007fff28bf3fb3 R14: 0000000000000010 R15: 00055facc785c680 [ 1785.242926] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1785.403784] [25615] 0 25615 17618 8200 24 3 0 1000 syz-executor3 [ 1785.639498] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1785.698783] [25665] 0 25665 17618 12677 31 3 0 1000 syz-executor5 [ 1785.873795] warn_alloc_show_mem: 9 callbacks suppressed [ 1785.873799] Mem-Info: [ 1785.987607] [25708] 0 25708 17651 8234 25 4 0 1000 syz-executor3 [ 1786.034601] 10506 total pagecache pages [ 1786.038583] 0 pages in swap cache [ 1786.119248] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1786.119248] active_file:29 inactive_file:83 isolated_file:0 [ 1786.119248] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1786.119248] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1786.119248] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1786.119248] free:4392 free_pcp:0 free_cma:0 [ 1786.292536] Swap cache stats: add 0, delete 0, find 0/0 [ 1786.297991] Free swap = 0kB [ 1786.317408] [25713] 0 25713 17651 8234 25 4 0 1000 syz-executor3 [ 1786.550143] warn_alloc: 1 callbacks suppressed [ 1786.550147] cron: page allocation stalls for 130070ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1786.574417] Total swap = 0kB [ 1786.577448] 1965979 pages RAM [ 1786.616667] [25725] 0 25725 17618 12677 31 3 0 1000 syz-executor5 [ 1786.751041] 0 pages HighMem/MovableOnly [ 1786.755055] 315641 pages reserved [ 1786.899210] [25773] 0 25773 17685 8238 26 4 0 1000 syz-executor2 [ 1787.047918] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1787.054115] Call Trace: [ 1787.056697] dump_stack+0xb9/0x11b [ 1787.060233] warn_alloc.cold.35+0x9d/0x1b7 [ 1787.064471] ? zone_watermark_ok_safe+0x240/0x240 [ 1787.069305] ? usleep_range+0x130/0x130 [ 1787.073284] ? do_try_to_free_pages+0xde0/0xde0 [ 1787.078017] __alloc_pages_nodemask+0x1425/0x2280 [ 1787.082888] ? check_preemption_disabled+0x34/0x1e0 [ 1787.087903] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1787.092743] ? find_get_entry+0x118/0x550 [ 1787.096894] ? check_preemption_disabled+0x34/0x1e0 [ 1787.101902] ? check_preemption_disabled+0x34/0x1e0 [ 1787.106954] ? find_get_entry+0x13f/0x550 [ 1787.111113] ? pagecache_get_page+0x129/0x770 [ 1787.115612] filemap_fault+0xcdd/0x14a0 [ 1787.119606] ext4_filemap_fault+0x7d/0xb0 [ 1787.123750] __do_fault+0x80/0x210 [ 1787.127292] __handle_mm_fault+0x991/0x25f0 [ 1787.131636] ? vm_insert_page+0x6d0/0x6d0 [ 1787.135775] ? HARDIRQ_verbose+0x10/0x10 [ 1787.139829] ? HARDIRQ_verbose+0x10/0x10 [ 1787.143884] ? free_object+0xe4/0x240 [ 1787.147731] ? check_preemption_disabled+0x34/0x1e0 [ 1787.152747] handle_mm_fault+0x2f2/0x6eb [ 1787.156807] __do_page_fault+0x45d/0xb60 [ 1787.160894] ? retint_user+0x18/0x18 [ 1787.164617] ? bad_area_access_error+0x330/0x330 [ 1787.169366] ? page_fault+0x2c/0x50 [ 1787.172982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1787.177824] ? page_fault+0x2c/0x50 [ 1787.181460] page_fault+0x42/0x50 [ 1787.184922] RIP: 60882280: (null) [ 1787.189160] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1787.303818] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1787.350171] [25792] 0 25792 17618 12677 31 3 0 1000 syz-executor5 [ 1787.359645] [25813] 0 25813 17685 8238 26 4 0 1000 syz-executor2 [ 1787.895762] [25850] 0 25850 17651 8236 26 4 0 1000 syz-executor3 [ 1788.172662] [25875] 0 25875 17618 12677 31 3 0 1000 syz-executor5 [ 1788.194287] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:168kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1788.249327] init: page allocation stalls for 170090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1788.260357] rs:main Q:Reg: page allocation stalls for 130020ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1788.288352] syz-executor0: page allocation stalls for 170020ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1788.300840] modprobe: page allocation stalls for 170030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1788.317679] modprobe: page allocation stalls for 170150ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1788.333483] syz-fuzzer: page allocation stalls for 130110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1788.358896] modprobe: page allocation stalls for 170080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1788.371346] syz-executor2: page allocation stalls for 170100ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1788.391126] modprobe: page allocation stalls for 170140ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1788.454882] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1788.461848] Call Trace: [ 1788.464436] dump_stack+0xb9/0x11b [ 1788.467989] warn_alloc.cold.35+0x9d/0x1b7 [ 1788.472222] ? zone_watermark_ok_safe+0x240/0x240 [ 1788.477113] __alloc_pages_nodemask+0x1425/0x2280 [ 1788.481974] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1788.486903] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1788.491759] ? perf_trace_lock+0x11a/0x4c0 [ 1788.496011] ? check_preemption_disabled+0x34/0x1e0 [ 1788.501096] ? rcu_read_lock_sched_held+0x102/0x120 [ 1788.506147] copy_process.part.6+0x267/0x6530 [ 1788.510664] ? __handle_mm_fault+0xdab/0x25f0 [ 1788.515155] ? lock_downgrade+0x560/0x560 [ 1788.519300] ? check_preemption_disabled+0x34/0x1e0 [ 1788.524316] ? perf_trace_lock+0x11a/0x4c0 [ 1788.528562] ? __cleanup_sighand+0x40/0x40 [ 1788.532785] ? vm_insert_page+0x6d0/0x6d0 [ 1788.536925] ? HARDIRQ_verbose+0x10/0x10 [ 1788.541031] _do_fork+0x1c2/0xd50 [ 1788.544495] ? fork_idle+0x250/0x250 [ 1788.548204] ? up_read+0x17/0x30 [ 1788.551565] ? __do_page_fault+0x64c/0xb60 [ 1788.555802] ? do_syscall_64+0x43/0x4b0 [ 1788.559806] ? sys_vfork+0x20/0x20 [ 1788.563340] do_syscall_64+0x19b/0x4b0 [ 1788.567238] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1788.572424] RIP: 0033:0x45a049 [ 1788.575626] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1788.583329] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1788.590594] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1788.597856] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1788.605115] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1788.612380] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1788.662018] [25930] 0 25930 17618 12677 31 3 0 1000 syz-executor5 [ 1788.723337] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1788.729236] Call Trace: [ 1788.731848] dump_stack+0xb9/0x11b [ 1788.735398] warn_alloc.cold.35+0x9d/0x1b7 [ 1788.739631] ? zone_watermark_ok_safe+0x240/0x240 [ 1788.744479] ? usleep_range+0x130/0x130 [ 1788.748503] __alloc_pages_nodemask+0x1425/0x2280 [ 1788.753365] ? __kernel_text_address+0x9/0x30 [ 1788.757860] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1788.762712] ? __lock_acquire+0x619/0x4320 [ 1788.766951] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1788.771449] ? kmemdup+0x20/0x50 [ 1788.774836] ? selinux_cred_prepare+0x3e/0x90 [ 1788.779349] ? new_slab+0x358/0x470 [ 1788.782994] new_slab+0x3c0/0x470 [ 1788.786457] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1788.791489] ? getname_flags+0xc4/0x540 [ 1788.795482] ? fs_reclaim_acquire+0x10/0x10 [ 1788.799805] ? check_preemption_disabled+0x34/0x1e0 [ 1788.804816] ? getname_flags+0xc4/0x540 [ 1788.809283] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1788.814744] ? getname_flags+0xc4/0x540 [ 1788.818710] kmem_cache_alloc+0x19e/0x2b0 [ 1788.822853] getname_flags+0xc4/0x540 [ 1788.826671] user_path_at_empty+0x28/0x80 [ 1788.830832] SyS_faccessat+0x20d/0x660 [ 1788.834743] ? SyS_fallocate+0x80/0x80 [ 1788.838672] ? do_syscall_64+0x43/0x4b0 [ 1788.842638] ? SyS_faccessat+0x660/0x660 [ 1788.846694] do_syscall_64+0x19b/0x4b0 [ 1788.850601] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1788.855777] RIP: 0033:0x7f413a3c43c7 [ 1788.859484] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1788.867184] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1788.874445] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1788.881711] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1788.888972] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1788.896247] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1788.918895] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1788.925424] Call Trace: [ 1788.928013] dump_stack+0xb9/0x11b [ 1788.931556] warn_alloc.cold.35+0x9d/0x1b7 [ 1788.935789] ? zone_watermark_ok_safe+0x240/0x240 [ 1788.940647] ? usleep_range+0x130/0x130 [ 1788.944704] __alloc_pages_nodemask+0x1425/0x2280 [ 1788.949581] ? check_preemption_disabled+0x34/0x1e0 [ 1788.954594] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1788.959435] ? __is_insn_slot_addr+0x139/0x1f0 [ 1788.964027] ? __lock_acquire+0x619/0x4320 [ 1788.968255] ? __lock_acquire+0x619/0x4320 [ 1788.972507] ? depot_save_stack+0x126/0x428 [ 1788.976834] ? perf_trace_lock+0x11a/0x4c0 [ 1788.981077] ? new_slab+0x358/0x470 [ 1788.984707] new_slab+0x3c0/0x470 [ 1788.988181] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1788.993211] ? perf_event_mmap+0x447/0xc30 [ 1788.997452] ? fs_reclaim_acquire+0x10/0x10 [ 1789.001782] ? check_preemption_disabled+0x34/0x1e0 [ 1789.006795] ? perf_event_mmap+0x447/0xc30 [ 1789.011024] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1789.016480] kmem_cache_alloc_trace+0x1c6/0x300 [ 1789.021188] ? perf_event_mmap+0x447/0xc30 [ 1789.025423] perf_event_mmap+0x447/0xc30 [ 1789.029497] ? perf_event_namespaces+0x30/0x30 [ 1789.034093] ? prot_none_test+0x10/0x10 [ 1789.038056] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1789.042215] mprotect_fixup+0x3b2/0x800 [ 1789.046198] ? change_protection+0x50/0x50 [ 1789.050448] ? file_map_prot_check+0x193/0x2c0 [ 1789.055040] ? selinux_file_mprotect+0xf6/0x5c0 [ 1789.059699] ? SyS_mprotect+0x16f/0x610 [ 1789.063687] SyS_mprotect+0x30a/0x610 [ 1789.067504] ? mprotect_fixup+0x800/0x800 [ 1789.071661] ? do_syscall_64+0x43/0x4b0 [ 1789.075630] ? mprotect_fixup+0x800/0x800 [ 1789.079771] do_syscall_64+0x19b/0x4b0 [ 1789.083667] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1789.088844] RIP: 0033:0x7f515b46a447 [ 1789.092543] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1789.100243] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1789.107525] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1789.114785] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1789.122071] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1789.129332] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1789.144442] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1789.150945] Call Trace: [ 1789.153535] dump_stack+0xb9/0x11b [ 1789.157167] warn_alloc.cold.35+0x9d/0x1b7 [ 1789.161407] ? zone_watermark_ok_safe+0x240/0x240 [ 1789.166247] ? usleep_range+0x130/0x130 [ 1789.170268] __alloc_pages_nodemask+0x1425/0x2280 [ 1789.175125] ? __kernel_text_address+0x9/0x30 [ 1789.179620] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1789.184478] ? __lock_acquire+0x619/0x4320 [ 1789.188716] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1789.193210] ? kmemdup+0x20/0x50 [ 1789.196566] ? selinux_cred_prepare+0x3e/0x90 [ 1789.201071] ? new_slab+0x358/0x470 [ 1789.204711] new_slab+0x3c0/0x470 [ 1789.208185] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1789.213195] ? getname_flags+0xc4/0x540 [ 1789.217170] ? fs_reclaim_acquire+0x10/0x10 [ 1789.221498] ? check_preemption_disabled+0x34/0x1e0 [ 1789.226508] ? getname_flags+0xc4/0x540 [ 1789.230482] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1789.235929] ? getname_flags+0xc4/0x540 [ 1789.239899] kmem_cache_alloc+0x19e/0x2b0 [ 1789.244069] getname_flags+0xc4/0x540 [ 1789.247874] user_path_at_empty+0x28/0x80 [ 1789.252023] SyS_faccessat+0x20d/0x660 [ 1789.255944] ? SyS_fallocate+0x80/0x80 [ 1789.259845] ? do_syscall_64+0x43/0x4b0 [ 1789.263815] ? SyS_faccessat+0x660/0x660 [ 1789.267873] do_syscall_64+0x19b/0x4b0 [ 1789.271778] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1789.276971] RIP: 0033:0x7fd4ad02d267 [ 1789.280672] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1789.288375] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1789.295638] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1789.302900] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1789.310161] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1789.317423] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1789.328408] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1789.335333] Call Trace: [ 1789.337920] dump_stack+0xb9/0x11b [ 1789.341505] warn_alloc.cold.35+0x9d/0x1b7 [ 1789.345764] ? zone_watermark_ok_safe+0x240/0x240 [ 1789.350605] ? usleep_range+0x130/0x130 [ 1789.354587] ? do_try_to_free_pages+0xde0/0xde0 [ 1789.359315] __alloc_pages_nodemask+0x1425/0x2280 [ 1789.364179] ? check_preemption_disabled+0x34/0x1e0 [ 1789.369240] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1789.374086] ? find_get_entry+0x118/0x550 [ 1789.378233] ? check_preemption_disabled+0x34/0x1e0 [ 1789.383282] ? check_preemption_disabled+0x34/0x1e0 [ 1789.388301] ? find_get_entry+0x13f/0x550 [ 1789.392456] ? pagecache_get_page+0x129/0x770 [ 1789.396967] filemap_fault+0xcdd/0x14a0 [ 1789.400961] ext4_filemap_fault+0x7d/0xb0 [ 1789.405103] __do_fault+0x80/0x210 [ 1789.408639] __handle_mm_fault+0x991/0x25f0 [ 1789.412963] ? vm_insert_page+0x6d0/0x6d0 [ 1789.417109] ? HARDIRQ_verbose+0x10/0x10 [ 1789.421158] ? HARDIRQ_verbose+0x10/0x10 [ 1789.425241] ? check_preemption_disabled+0x34/0x1e0 [ 1789.430270] handle_mm_fault+0x2f2/0x6eb [ 1789.434328] __do_page_fault+0x45d/0xb60 [ 1789.438387] ? retint_user+0x18/0x18 [ 1789.442095] ? bad_area_access_error+0x330/0x330 [ 1789.446843] ? page_fault+0x2c/0x50 [ 1789.450457] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1789.455308] ? page_fault+0x2c/0x50 [ 1789.458932] page_fault+0x42/0x50 [ 1789.462374] RIP: 0000:0x5 [ 1789.465134] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1789.483415] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1789.495457] Call Trace: [ 1789.498051] dump_stack+0xb9/0x11b [ 1789.501610] warn_alloc.cold.35+0x9d/0x1b7 [ 1789.505841] ? zone_watermark_ok_safe+0x240/0x240 [ 1789.510682] ? usleep_range+0x130/0x130 [ 1789.514696] __alloc_pages_nodemask+0x1425/0x2280 [ 1789.519554] ? perf_trace_lock+0x11a/0x4c0 [ 1789.523786] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1789.528641] ? check_preemption_disabled+0x34/0x1e0 [ 1789.533661] ? __lock_acquire+0x619/0x4320 [ 1789.537928] ? new_slab+0x358/0x470 [ 1789.541562] new_slab+0x3c0/0x470 [ 1789.545025] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1789.550075] ? getname_flags+0xc4/0x540 [ 1789.554074] ? fs_reclaim_acquire+0x10/0x10 [ 1789.558396] ? check_preemption_disabled+0x34/0x1e0 [ 1789.563408] ? getname_flags+0xc4/0x540 [ 1789.567383] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1789.572833] ? getname_flags+0xc4/0x540 [ 1789.576800] kmem_cache_alloc+0x19e/0x2b0 [ 1789.580969] getname_flags+0xc4/0x540 [ 1789.584771] user_path_at_empty+0x28/0x80 [ 1789.588939] vfs_statx+0xe1/0x180 [ 1789.592394] ? vfs_statx_fd+0x90/0x90 [ 1789.596245] SyS_newstat+0x81/0xf0 [ 1789.599786] ? SyS_fstat+0xe0/0xe0 [ 1789.603335] ? up_read+0x17/0x30 [ 1789.606695] ? __do_page_fault+0x64c/0xb60 [ 1789.610958] ? do_syscall_64+0x43/0x4b0 [ 1789.614934] ? SyS_fstat+0xe0/0xe0 [ 1789.618475] do_syscall_64+0x19b/0x4b0 [ 1789.622370] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1789.627552] RIP: 0033:0x7faa2689cc65 [ 1789.631254] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1789.638965] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1789.646245] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1789.653549] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1789.660824] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1789.668086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1789.679298] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1789.685969] Call Trace: [ 1789.688559] dump_stack+0xb9/0x11b [ 1789.692122] warn_alloc.cold.35+0x9d/0x1b7 [ 1789.696356] ? zone_watermark_ok_safe+0x240/0x240 [ 1789.701196] ? usleep_range+0x130/0x130 [ 1789.705181] ? do_try_to_free_pages+0xde0/0xde0 [ 1789.709877] __alloc_pages_nodemask+0x1425/0x2280 [ 1789.714736] ? check_preemption_disabled+0x34/0x1e0 [ 1789.719750] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1789.724594] ? find_get_entry+0x118/0x550 [ 1789.728740] ? check_preemption_disabled+0x34/0x1e0 [ 1789.733748] ? check_preemption_disabled+0x34/0x1e0 [ 1789.738768] ? find_get_entry+0x13f/0x550 [ 1789.742940] ? pagecache_get_page+0x129/0x770 [ 1789.747438] filemap_fault+0xcdd/0x14a0 [ 1789.751440] ext4_filemap_fault+0x7d/0xb0 [ 1789.755597] __do_fault+0x80/0x210 [ 1789.759139] __handle_mm_fault+0x991/0x25f0 [ 1789.763474] ? vm_insert_page+0x6d0/0x6d0 [ 1789.767613] ? HARDIRQ_verbose+0x10/0x10 [ 1789.771684] ? HARDIRQ_verbose+0x10/0x10 [ 1789.775776] ? SyS_futex+0x249/0x2b5 [ 1789.779536] ? check_preemption_disabled+0x34/0x1e0 [ 1789.784575] handle_mm_fault+0x2f2/0x6eb [ 1789.788634] __do_page_fault+0x45d/0xb60 [ 1789.792694] ? retint_user+0x18/0x18 [ 1789.796401] ? bad_area_access_error+0x330/0x330 [ 1789.801152] ? page_fault+0x2c/0x50 [ 1789.804796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1789.810154] ? page_fault+0x2c/0x50 [ 1789.813779] page_fault+0x42/0x50 [ 1789.817225] RIP: 0020:0x13 [ 1789.820058] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1789.823197] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1789.835471] Call Trace: [ 1789.838067] dump_stack+0xb9/0x11b [ 1789.841627] warn_alloc.cold.35+0x9d/0x1b7 [ 1789.845856] ? zone_watermark_ok_safe+0x240/0x240 [ 1789.850694] ? usleep_range+0x130/0x130 [ 1789.854766] __alloc_pages_nodemask+0x1425/0x2280 [ 1789.859624] ? debug_check_no_obj_freed+0x150/0x77c [ 1789.864636] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1789.869510] ? __lock_acquire+0x619/0x4320 [ 1789.873745] ? __lock_acquire+0x619/0x4320 [ 1789.877973] ? lock_acquire+0x10f/0x380 [ 1789.881944] ? avc_has_perm+0x9e/0x390 [ 1789.885890] ? new_slab+0x358/0x470 [ 1789.889517] new_slab+0x3c0/0x470 [ 1789.892980] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1789.897990] ? __might_fault+0x104/0x1b0 [ 1789.902047] ? getname_flags+0xc4/0x540 [ 1789.906028] ? fs_reclaim_acquire+0x10/0x10 [ 1789.910351] ? check_preemption_disabled+0x34/0x1e0 [ 1789.915364] ? getname_flags+0xc4/0x540 [ 1789.919333] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1789.924779] ? getname_flags+0xc4/0x540 [ 1789.928750] kmem_cache_alloc+0x19e/0x2b0 [ 1789.932915] getname_flags+0xc4/0x540 [ 1789.936726] ? SyS_unlinkat+0x70/0x70 [ 1789.940547] do_unlinkat+0xc9/0x650 [ 1789.944174] ? do_rmdir+0x3a0/0x3a0 [ 1789.947811] ? SyS_newlstat+0x92/0xf0 [ 1789.951615] ? SyS_newstat+0xf0/0xf0 [ 1789.955349] ? do_syscall_64+0x43/0x4b0 [ 1789.959335] ? SyS_unlinkat+0x70/0x70 [ 1789.963135] do_syscall_64+0x19b/0x4b0 [ 1789.967030] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1789.972211] RIP: 0033:0x4573c7 [ 1789.975399] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1789.983111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1789.990388] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1789.997649] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1790.004925] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1790.012186] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1790.020716] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1790.027240] Call Trace: [ 1790.029861] dump_stack+0xb9/0x11b [ 1790.033403] warn_alloc.cold.35+0x9d/0x1b7 [ 1790.037635] ? zone_watermark_ok_safe+0x240/0x240 [ 1790.042485] ? usleep_range+0x130/0x130 [ 1790.046519] __alloc_pages_nodemask+0x1425/0x2280 [ 1790.051383] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1790.056232] ? __lock_acquire+0x619/0x4320 [ 1790.060488] ? __lock_acquire+0x619/0x4320 [ 1790.064731] ? __lock_acquire+0x619/0x4320 [ 1790.068977] ? new_slab+0x358/0x470 [ 1790.072624] new_slab+0x3c0/0x470 [ 1790.076101] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1790.081177] ? getname_flags+0xc4/0x540 [ 1790.085171] ? fs_reclaim_acquire+0x10/0x10 [ 1790.089506] ? check_preemption_disabled+0x34/0x1e0 [ 1790.094521] ? getname_flags+0xc4/0x540 [ 1790.098495] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1790.103939] ? getname_flags+0xc4/0x540 [ 1790.107904] kmem_cache_alloc+0x19e/0x2b0 [ 1790.112049] getname_flags+0xc4/0x540 [ 1790.115857] user_path_at_empty+0x28/0x80 [ 1790.120032] vfs_statx+0xe1/0x180 [ 1790.123489] ? vfs_statx_fd+0x90/0x90 [ 1790.127284] ? __might_fault+0x104/0x1b0 [ 1790.131360] ? lock_downgrade+0x560/0x560 [ 1790.135498] ? lock_acquire+0x10f/0x380 [ 1790.139471] ? __might_fault+0xd4/0x1b0 [ 1790.143442] SyS_newfstatat+0x89/0x100 [ 1790.147355] ? SyS_newlstat+0xf0/0xf0 [ 1790.151150] ? __might_fault+0x177/0x1b0 [ 1790.155236] ? SyS_getdents+0x1d0/0x270 [ 1790.159245] ? SyS_old_readdir+0x150/0x150 [ 1790.163482] ? compat_fillonedir+0x260/0x260 [ 1790.167900] ? do_syscall_64+0x43/0x4b0 [ 1790.171869] ? SyS_newlstat+0xf0/0xf0 [ 1790.175666] do_syscall_64+0x19b/0x4b0 [ 1790.179566] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1790.184761] RIP: 0033:0x7fe72a00be1a [ 1790.188469] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1790.196174] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1790.203450] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1790.210734] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1790.218014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1790.225283] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1790.297749] [25984] 0 25984 17618 8239 26 4 0 0 syz-executor4 [ 1790.473086] [25998] 0 25998 17618 12677 31 3 0 1000 syz-executor5 [ 1790.493268] lowmem_reserve[]: 0 3505 3505 [ 1790.497458] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1790.619891] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1790.627569] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1790.636575] node 0: slabs: 32586, objs: 586548, free: 0 [ 1790.677083] [26077] 0 26077 17618 12677 31 3 0 1000 syz-executor5 [ 1790.837724] [26145] 0 26145 17618 12677 31 3 0 1000 syz-executor5 [ 1790.987484] [26163] 0 26163 17618 12677 31 3 0 1000 syz-executor5 [ 1791.014046] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1791.022085] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1791.031090] node 0: slabs: 32586, objs: 586548, free: 0 [ 1791.120082] lowmem_reserve[]: 0 0 0 [ 1791.123827] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1791.210117] warn_alloc_show_mem: 1 callbacks suppressed [ 1791.210122] Mem-Info: [ 1791.218039] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1791.218039] active_file:29 inactive_file:83 isolated_file:0 [ 1791.218039] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1791.218039] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1791.218039] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1791.218039] free:4392 free_pcp:0 free_cma:0 [ 1791.255955] [26220] 0 26220 17618 12677 31 3 0 1000 syz-executor5 [ 1791.277801] [26303] 0 26303 17618 12677 31 3 0 1000 syz-executor5 [ 1791.301714] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1791.327797] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1791.335423] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1791.344420] node 0: slabs: 32586, objs: 586548, free: 0 [ 1791.363343] [26367] 0 26367 17618 12677 31 3 0 1000 syz-executor5 [ 1791.408450] 10506 total pagecache pages [ 1791.435776] [26382] 0 26382 17618 8208 25 3 0 0 syz-executor4 [ 1791.449688] 0 pages in swap cache [ 1791.458819] Swap cache stats: add 0, delete 0, find 0/0 [ 1791.468769] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1791.476413] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1791.485421] node 0: slabs: 32586, objs: 586548, free: 0 [ 1791.677151] [26442] 0 26442 17717 8245 26 4 0 0 syz-executor4 [ 1791.701493] Free swap = 0kB [ 1791.704555] Total swap = 0kB [ 1791.707564] 1965979 pages RAM [ 1791.755087] warn_alloc: 20 callbacks suppressed [ 1791.755092] modprobe: page allocation stalls for 173270ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1791.776257] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1791.942423] [26481] 0 26481 17618 12677 31 3 0 1000 syz-executor5 [ 1791.964502] 0 pages HighMem/MovableOnly [ 1791.968486] 315641 pages reserved [ 1792.172774] CPU: 1 PID: 9321 Comm: modprobe Not tainted 4.14.87+ #21 [ 1792.179310] Call Trace: [ 1792.181902] dump_stack+0xb9/0x11b [ 1792.185448] warn_alloc.cold.35+0x9d/0x1b7 [ 1792.189687] ? zone_watermark_ok_safe+0x240/0x240 [ 1792.194527] ? usleep_range+0x130/0x130 [ 1792.198541] __alloc_pages_nodemask+0x1425/0x2280 [ 1792.203407] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1792.208255] ? __lock_acquire+0x619/0x4320 [ 1792.212497] ? check_preemption_disabled+0x34/0x1e0 [ 1792.217557] ? new_slab+0x358/0x470 [ 1792.221187] new_slab+0x3c0/0x470 [ 1792.224645] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1792.229656] ? getname_flags+0xc4/0x540 [ 1792.233634] ? fs_reclaim_acquire+0x10/0x10 [ 1792.237956] ? check_preemption_disabled+0x34/0x1e0 [ 1792.242966] ? getname_flags+0xc4/0x540 [ 1792.246936] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1792.252409] ? getname_flags+0xc4/0x540 [ 1792.256379] kmem_cache_alloc+0x19e/0x2b0 [ 1792.260533] getname_flags+0xc4/0x540 [ 1792.264338] user_path_at_empty+0x28/0x80 [ 1792.268496] vfs_statx+0xe1/0x180 [ 1792.271954] ? vfs_statx_fd+0x90/0x90 [ 1792.275752] ? mntput_no_expire+0xca/0x830 [ 1792.279998] SyS_newstat+0x81/0xf0 [ 1792.283565] ? SyS_fstat+0xe0/0xe0 [ 1792.287106] ? _raw_spin_unlock_irq+0x24/0x50 [ 1792.291600] ? trace_hardirqs_on_caller+0x381/0x520 [ 1792.296625] ? _raw_spin_unlock_irq+0x35/0x50 [ 1792.301118] ? task_work_run+0xec/0x190 [ 1792.305094] ? do_syscall_64+0x43/0x4b0 [ 1792.309069] ? SyS_fstat+0xe0/0xe0 [ 1792.312614] do_syscall_64+0x19b/0x4b0 [ 1792.316512] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1792.321697] RIP: 0033:0x7f5976a38c65 [ 1792.325406] RSP: 002b:00007fff28bf3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1792.333147] RAX: ffffffffffffffda RBX: 00007f5976d04481 RCX: 00007f5976a38c65 [ 1792.340407] RDX: 00007fff28bf3e80 RSI: 00007fff28bf3e80 RDI: 00007f5976d04481 [ 1792.347667] RBP: 00007f5976f092f0 R08: 00007f5976cefef8 R09: 00007f5976a8c070 [ 1792.354944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f4d17c160 [ 1792.362205] R13: 00007fff28bf3fb3 R14: 0000000000000010 R15: 00055facc785c680 [ 1792.380914] [26541] 0 26541 17684 8236 26 4 0 1000 syz-executor3 [ 1792.428026] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1792.437707] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1792.444708] Call Trace: [ 1792.447296] dump_stack+0xb9/0x11b [ 1792.450858] warn_alloc.cold.35+0x9d/0x1b7 [ 1792.455106] ? zone_watermark_ok_safe+0x240/0x240 [ 1792.459980] ? __lock_acquire+0x619/0x4320 [ 1792.464237] __alloc_pages_nodemask+0x19f4/0x2280 [ 1792.469112] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1792.473956] ? perf_trace_lock+0x11a/0x4c0 [ 1792.478185] ? trace_hardirqs_on+0x10/0x10 [ 1792.482451] ? HARDIRQ_verbose+0x10/0x10 [ 1792.486533] ? check_preemption_disabled+0x34/0x1e0 [ 1792.491557] new_slab+0x3c0/0x470 [ 1792.495036] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1792.500050] ? __sigqueue_alloc+0x1d9/0x400 [ 1792.504367] ? check_preemption_disabled+0x34/0x1e0 [ 1792.509398] ? check_preemption_disabled+0x34/0x1e0 [ 1792.514440] ? __sigqueue_alloc+0x1d9/0x400 [ 1792.518781] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1792.524228] ? __sigqueue_alloc+0x1d9/0x400 [ 1792.528546] kmem_cache_alloc+0x19e/0x2b0 [ 1792.532694] __sigqueue_alloc+0x1d9/0x400 [ 1792.536848] __send_signal+0x1b0/0x1200 [ 1792.540851] force_sig_info+0x241/0x340 [ 1792.544852] force_sig_info_fault.constprop.7+0x129/0x210 [ 1792.550388] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1792.555507] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1792.560445] ? bad_area_access_error+0x1de/0x330 [ 1792.565226] __bad_area_nosemaphore+0x192/0x280 [ 1792.569901] bad_area_access_error+0x1ff/0x330 [ 1792.574487] ? mm_fault_error+0x2b0/0x2b0 [ 1792.578634] ? vmacache_find+0x50/0x250 [ 1792.582616] __do_page_fault+0x6d0/0xb60 [ 1792.586677] ? retint_user+0x18/0x18 [ 1792.590399] ? bad_area_access_error+0x330/0x330 [ 1792.595151] ? page_fault+0x2c/0x50 [ 1792.598772] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1792.603634] ? page_fault+0x2c/0x50 [ 1792.607258] page_fault+0x42/0x50 [ 1792.610709] RIP: 4c59bd:0x4da048 [ 1792.614062] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1792.614118] warn_alloc_show_mem: 4 callbacks suppressed [ 1792.614122] Mem-Info: [ 1792.627584] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1792.627584] active_file:29 inactive_file:83 isolated_file:0 [ 1792.627584] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1792.627584] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1792.627584] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1792.627584] free:4392 free_pcp:0 free_cma:0 [ 1792.661001] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1792.684720] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1792.713596] lowmem_reserve[]: 0 3505 3505 [ 1792.717794] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1792.746755] lowmem_reserve[]: 0 0 0 [ 1792.750384] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1792.763822] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1792.776476] 10506 total pagecache pages [ 1792.780448] 0 pages in swap cache [ 1792.783912] Swap cache stats: add 0, delete 0, find 0/0 [ 1792.789284] Free swap = 0kB [ 1792.792291] Total swap = 0kB [ 1792.795309] 1965979 pages RAM [ 1792.798412] 0 pages HighMem/MovableOnly [ 1792.802372] 315641 pages reserved [ 1792.805826] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1792.813978] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1792.822977] node 0: slabs: 32586, objs: 586548, free: 0 [ 1792.859108] syz-executor4: page allocation stalls for 172660ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1792.977971] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1793.054351] [26546] 0 26546 17618 8236 26 4 0 0 syz-executor4 [ 1793.177033] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1793.183987] Call Trace: [ 1793.186578] dump_stack+0xb9/0x11b [ 1793.190127] warn_alloc.cold.35+0x9d/0x1b7 [ 1793.194361] ? zone_watermark_ok_safe+0x240/0x240 [ 1793.199227] ? usleep_range+0x130/0x130 [ 1793.203237] __alloc_pages_nodemask+0x1425/0x2280 [ 1793.208105] ? finish_task_switch+0x1e6/0x610 [ 1793.212600] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1793.217440] ? __lock_acquire+0x619/0x4320 [ 1793.221678] ? finish_task_switch+0x1bd/0x610 [ 1793.226219] ? __lock_acquire+0x619/0x4320 [ 1793.230450] ? _raw_spin_unlock_irq+0x35/0x50 [ 1793.234947] ? finish_task_switch+0x1e6/0x610 [ 1793.239493] ? new_slab+0x358/0x470 [ 1793.243124] new_slab+0x3c0/0x470 [ 1793.246600] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1793.251616] ? getname_flags+0xc4/0x540 [ 1793.255591] ? fs_reclaim_acquire+0x10/0x10 [ 1793.259911] ? check_preemption_disabled+0x34/0x1e0 [ 1793.264924] ? getname_flags+0xc4/0x540 [ 1793.268905] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1793.274351] ? getname_flags+0xc4/0x540 [ 1793.278319] kmem_cache_alloc+0x19e/0x2b0 [ 1793.282491] getname_flags+0xc4/0x540 [ 1793.286337] do_sys_open+0x1ea/0x580 [ 1793.290069] ? filp_open+0x60/0x60 [ 1793.293605] ? SyS_nanosleep+0x138/0x190 [ 1793.297672] ? hrtimer_nanosleep+0x470/0x470 [ 1793.302080] ? do_syscall_64+0x43/0x4b0 [ 1793.306046] ? do_sys_open+0x580/0x580 [ 1793.309943] do_syscall_64+0x19b/0x4b0 [ 1793.313854] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1793.319056] RIP: 0033:0x455680 [ 1793.322238] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1793.329948] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1793.337214] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1793.344480] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1793.351748] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1793.359014] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1793.467405] [26555] 0 26555 17618 12677 31 3 0 1000 syz-executor5 [ 1793.651779] Mem-Info: [ 1793.654240] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1793.654240] active_file:29 inactive_file:81 isolated_file:2 [ 1793.654240] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1793.654240] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1793.654240] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1793.654240] free:4392 free_pcp:0 free_cma:0 [ 1793.734783] [26573] 0 26573 17684 8236 26 4 0 1000 syz-executor3 [ 1793.920730] lowmem_reserve[]: 0 3505 3505 [ 1793.924982] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1793.990971] [26595] 0 26595 17618 8235 27 4 0 1000 syz-executor2 [ 1794.214557] [26614] 0 26614 17618 12677 31 3 0 1000 syz-executor5 [ 1794.423575] [26627] 0 26627 17684 8222 26 4 0 1000 syz-executor2 [ 1794.468342] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1794.511575] [26646] 0 26646 17618 12677 31 3 0 1000 syz-executor5 [ 1794.672170] warn_alloc_show_mem: 1 callbacks suppressed [ 1794.672175] Mem-Info: [ 1794.721682] lowmem_reserve[]: 0 0 0 [ 1794.725335] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1794.905867] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1794.905867] active_file:29 inactive_file:83 isolated_file:0 [ 1794.905867] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1794.905867] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1794.905867] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1794.905867] free:4392 free_pcp:0 free_cma:0 [ 1794.947812] [26648] 0 26648 17684 8222 26 4 0 1000 syz-executor2 [ 1795.182614] [26713] 0 26713 17618 12677 31 3 0 1000 syz-executor5 [ 1795.201095] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1795.257392] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1795.502054] [26755] 0 26755 17618 8234 26 4 0 1000 syz-executor1 [ 1795.621079] 10506 total pagecache pages [ 1795.625104] 0 pages in swap cache [ 1795.628546] Swap cache stats: add 0, delete 0, find 0/0 [ 1795.711345] warn_alloc_show_mem: 3 callbacks suppressed [ 1795.711349] Mem-Info: [ 1795.719200] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1795.719200] active_file:29 inactive_file:83 isolated_file:0 [ 1795.719200] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1795.719200] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1795.719200] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1795.719200] free:4392 free_pcp:0 free_cma:0 [ 1795.820109] [26763] 0 26763 17618 12677 31 3 0 1000 syz-executor5 [ 1795.829588] [26846] 0 26846 17685 8239 27 4 0 1000 syz-executor2 [ 1795.969563] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1796.073555] Free swap = 0kB [ 1796.076627] Total swap = 0kB [ 1796.079635] 1965979 pages RAM [ 1796.152311] lowmem_reserve[]: 0 3505 3505 [ 1796.156518] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1796.368284] 0 pages HighMem/MovableOnly [ 1796.430117] [26848] 0 26848 17618 12677 31 3 0 1000 syz-executor5 [ 1796.439586] [26870] 0 26870 17685 8239 27 4 0 1000 syz-executor2 [ 1796.501625] 315641 pages reserved [ 1796.545112] cron: page allocation stalls for 140060ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1796.710732] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1796.747362] kthreadd: page allocation stalls for 178550ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1796.898877] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1796.905056] Call Trace: [ 1796.907692] dump_stack+0xb9/0x11b [ 1796.911233] warn_alloc.cold.35+0x9d/0x1b7 [ 1796.915508] ? zone_watermark_ok_safe+0x240/0x240 [ 1796.920348] ? usleep_range+0x130/0x130 [ 1796.924325] ? do_try_to_free_pages+0xde0/0xde0 [ 1796.929037] __alloc_pages_nodemask+0x1425/0x2280 [ 1796.933905] ? check_preemption_disabled+0x34/0x1e0 [ 1796.938926] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1796.943769] ? find_get_entry+0x118/0x550 [ 1796.947935] ? check_preemption_disabled+0x34/0x1e0 [ 1796.952952] ? check_preemption_disabled+0x34/0x1e0 [ 1796.957970] ? find_get_entry+0x13f/0x550 [ 1796.962127] ? pagecache_get_page+0x129/0x770 [ 1796.966634] filemap_fault+0xcdd/0x14a0 [ 1796.970634] ext4_filemap_fault+0x7d/0xb0 [ 1796.974778] __do_fault+0x80/0x210 [ 1796.978325] __handle_mm_fault+0x991/0x25f0 [ 1796.982651] ? vm_insert_page+0x6d0/0x6d0 [ 1796.986789] ? HARDIRQ_verbose+0x10/0x10 [ 1796.990863] ? HARDIRQ_verbose+0x10/0x10 [ 1796.994924] ? free_object+0xe4/0x240 [ 1796.998745] ? check_preemption_disabled+0x34/0x1e0 [ 1797.003771] handle_mm_fault+0x2f2/0x6eb [ 1797.007840] __do_page_fault+0x45d/0xb60 [ 1797.011919] ? retint_user+0x18/0x18 [ 1797.015647] ? bad_area_access_error+0x330/0x330 [ 1797.020395] ? page_fault+0x2c/0x50 [ 1797.024017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1797.028875] ? page_fault+0x2c/0x50 [ 1797.032503] page_fault+0x42/0x50 [ 1797.035947] RIP: 60882280: (null) [ 1797.040170] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1797.135147] [26923] 0 26923 17618 12677 31 3 0 1000 syz-executor5 [ 1797.189221] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1797.249815] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1797.256100] Call Trace: [ 1797.258689] dump_stack+0xb9/0x11b [ 1797.262249] warn_alloc.cold.35+0x9d/0x1b7 [ 1797.266517] ? zone_watermark_ok_safe+0x240/0x240 [ 1797.271409] __alloc_pages_nodemask+0x1425/0x2280 [ 1797.276277] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1797.281204] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1797.286060] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1797.291279] ? copy_process.part.6+0x1435/0x6530 [ 1797.296069] ? rcu_read_lock_sched_held+0x102/0x120 [ 1797.301088] copy_process.part.6+0x267/0x6530 [ 1797.305630] ? __lock_acquire+0x619/0x4320 [ 1797.309868] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1797.314968] ? kthread_create_on_node+0xe0/0xe0 [ 1797.319655] ? __cleanup_sighand+0x40/0x40 [ 1797.323886] ? perf_trace_lock+0x11a/0x4c0 [ 1797.328112] ? check_preemption_disabled+0x34/0x1e0 [ 1797.333124] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1797.338053] _do_fork+0x1c2/0xd50 [ 1797.341504] ? kthread_create_on_node+0xe0/0xe0 [ 1797.346171] ? fork_idle+0x250/0x250 [ 1797.349927] ? kthreadd+0x28a/0x3d0 [ 1797.353554] ? lock_downgrade+0x560/0x560 [ 1797.357697] ? lock_acquire+0x10f/0x380 [ 1797.361703] ? kthreadd+0x1c4/0x3d0 [ 1797.365338] ? kthread_create_on_node+0xe0/0xe0 [ 1797.370000] kernel_thread+0x2f/0x40 [ 1797.373726] kthreadd+0x29e/0x3d0 [ 1797.377195] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1797.381947] ? finish_task_switch+0x1e6/0x610 [ 1797.386439] ? __switch_to_asm+0x34/0x70 [ 1797.390500] ? __switch_to_asm+0x40/0x70 [ 1797.394553] ? __switch_to_asm+0x34/0x70 [ 1797.398610] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1797.403364] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1797.408139] ret_from_fork+0x3a/0x50 [ 1797.491595] lowmem_reserve[]: 0 0 0 [ 1797.495292] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1797.758663] [26979] 0 26979 17618 12677 31 3 0 1000 syz-executor5 [ 1797.869847] lowmem_reserve[]: 0 3505 3505 [ 1797.966880] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1797.998687] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1798.062759] [26999] 0 26999 17585 8193 23 3 0 0 syz-executor4 [ 1798.072334] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1798.203289] modprobe: page allocation stalls for 180040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1798.264539] syz-fuzzer: page allocation stalls for 140050ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1798.279428] syz-executor0: page allocation stalls for 180010ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1798.291867] syz-fuzzer: page allocation stalls for 140070ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1798.325205] modprobe: page allocation stalls for 180070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1798.336595] syz-executor3: page allocation stalls for 180070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1798.350342] modprobe: page allocation stalls for 180080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1798.363409] rsyslogd: page allocation stalls for 140010ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1798.380687] syz-executor2: page allocation stalls for 180110ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1798.392440] modprobe: page allocation stalls for 180070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1798.427390] [27019] 0 27019 17651 8206 24 3 0 0 syz-executor4 [ 1798.444746] 10506 total pagecache pages [ 1798.448725] 0 pages in swap cache [ 1798.463643] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1798.470600] Call Trace: [ 1798.473216] dump_stack+0xb9/0x11b [ 1798.476770] warn_alloc.cold.35+0x9d/0x1b7 [ 1798.481029] ? zone_watermark_ok_safe+0x240/0x240 [ 1798.485979] __alloc_pages_nodemask+0x1425/0x2280 [ 1798.490872] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1798.495795] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1798.500650] ? perf_trace_lock+0x11a/0x4c0 [ 1798.504877] ? check_preemption_disabled+0x34/0x1e0 [ 1798.509925] ? rcu_read_lock_sched_held+0x102/0x120 [ 1798.514942] copy_process.part.6+0x267/0x6530 [ 1798.519437] ? __handle_mm_fault+0xdab/0x25f0 [ 1798.523938] ? lock_downgrade+0x560/0x560 [ 1798.528099] ? check_preemption_disabled+0x34/0x1e0 [ 1798.533108] ? perf_trace_lock+0x11a/0x4c0 [ 1798.537346] ? __cleanup_sighand+0x40/0x40 [ 1798.541568] ? vm_insert_page+0x6d0/0x6d0 [ 1798.545703] ? HARDIRQ_verbose+0x10/0x10 [ 1798.549779] _do_fork+0x1c2/0xd50 [ 1798.553235] ? fork_idle+0x250/0x250 [ 1798.556951] ? up_read+0x17/0x30 [ 1798.560325] ? __do_page_fault+0x64c/0xb60 [ 1798.564561] ? do_syscall_64+0x43/0x4b0 [ 1798.568537] ? sys_vfork+0x20/0x20 [ 1798.572068] do_syscall_64+0x19b/0x4b0 [ 1798.575965] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1798.581162] RIP: 0033:0x45a049 [ 1798.584340] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1798.592044] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1798.599307] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1798.606567] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1798.613827] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1798.621118] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1798.686434] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1798.692940] Call Trace: [ 1798.695539] dump_stack+0xb9/0x11b [ 1798.699080] warn_alloc.cold.35+0x9d/0x1b7 [ 1798.703333] ? zone_watermark_ok_safe+0x240/0x240 [ 1798.708172] ? usleep_range+0x130/0x130 [ 1798.712206] __alloc_pages_nodemask+0x1425/0x2280 [ 1798.717064] ? __kernel_text_address+0x9/0x30 [ 1798.721559] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1798.726408] ? __lock_acquire+0x619/0x4320 [ 1798.730641] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1798.735140] ? kmemdup+0x20/0x50 [ 1798.738515] ? selinux_cred_prepare+0x3e/0x90 [ 1798.743035] ? new_slab+0x358/0x470 [ 1798.746660] new_slab+0x3c0/0x470 [ 1798.750116] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1798.755144] ? getname_flags+0xc4/0x540 [ 1798.759120] ? fs_reclaim_acquire+0x10/0x10 [ 1798.763438] ? check_preemption_disabled+0x34/0x1e0 [ 1798.768445] ? getname_flags+0xc4/0x540 [ 1798.772418] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1798.777861] ? getname_flags+0xc4/0x540 [ 1798.781854] kmem_cache_alloc+0x19e/0x2b0 [ 1798.786001] getname_flags+0xc4/0x540 [ 1798.789802] user_path_at_empty+0x28/0x80 [ 1798.793947] SyS_faccessat+0x20d/0x660 [ 1798.797834] ? SyS_fallocate+0x80/0x80 [ 1798.801723] ? do_syscall_64+0x43/0x4b0 [ 1798.805690] ? SyS_faccessat+0x660/0x660 [ 1798.810241] do_syscall_64+0x19b/0x4b0 [ 1798.814138] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1798.819322] RIP: 0033:0x7fd4ad02d267 [ 1798.823028] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1798.830775] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1798.838038] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1798.845317] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1798.852580] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1798.859841] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1798.912134] Swap cache stats: add 0, delete 0, find 0/0 [ 1798.917540] Free swap = 0kB [ 1798.921071] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1798.927736] Call Trace: [ 1798.930333] dump_stack+0xb9/0x11b [ 1798.933931] warn_alloc.cold.35+0x9d/0x1b7 [ 1798.938164] ? zone_watermark_ok_safe+0x240/0x240 [ 1798.943003] ? usleep_range+0x130/0x130 [ 1798.946985] ? do_try_to_free_pages+0xde0/0xde0 [ 1798.951683] __alloc_pages_nodemask+0x1425/0x2280 [ 1798.956548] ? check_preemption_disabled+0x34/0x1e0 [ 1798.961567] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1798.966409] ? find_get_entry+0x118/0x550 [ 1798.970568] ? check_preemption_disabled+0x34/0x1e0 [ 1798.975574] ? check_preemption_disabled+0x34/0x1e0 [ 1798.980616] ? find_get_entry+0x13f/0x550 [ 1798.984783] ? pagecache_get_page+0x129/0x770 [ 1798.989300] filemap_fault+0xcdd/0x14a0 [ 1798.993298] ext4_filemap_fault+0x7d/0xb0 [ 1798.997438] __do_fault+0x80/0x210 [ 1799.000976] __handle_mm_fault+0x991/0x25f0 [ 1799.005320] ? vm_insert_page+0x6d0/0x6d0 [ 1799.009461] ? HARDIRQ_verbose+0x10/0x10 [ 1799.013571] ? HARDIRQ_verbose+0x10/0x10 [ 1799.017624] ? SyS_futex+0x249/0x2b5 [ 1799.021360] ? check_preemption_disabled+0x34/0x1e0 [ 1799.026379] handle_mm_fault+0x2f2/0x6eb [ 1799.030437] __do_page_fault+0x45d/0xb60 [ 1799.034502] ? retint_user+0x18/0x18 [ 1799.038209] ? bad_area_access_error+0x330/0x330 [ 1799.042957] ? page_fault+0x2c/0x50 [ 1799.046590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1799.051457] ? page_fault+0x2c/0x50 [ 1799.055091] page_fault+0x42/0x50 [ 1799.058537] RIP: 0020:0x13 [ 1799.061370] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1799.065068] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1799.077079] Call Trace: [ 1799.079674] dump_stack+0xb9/0x11b [ 1799.083218] warn_alloc.cold.35+0x9d/0x1b7 [ 1799.087449] ? zone_watermark_ok_safe+0x240/0x240 [ 1799.092300] ? usleep_range+0x130/0x130 [ 1799.096285] ? do_try_to_free_pages+0xde0/0xde0 [ 1799.100983] __alloc_pages_nodemask+0x1425/0x2280 [ 1799.105843] ? check_preemption_disabled+0x34/0x1e0 [ 1799.110860] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1799.115705] ? find_get_entry+0x118/0x550 [ 1799.119855] ? check_preemption_disabled+0x34/0x1e0 [ 1799.124870] ? check_preemption_disabled+0x34/0x1e0 [ 1799.129924] ? find_get_entry+0x13f/0x550 [ 1799.134080] ? pagecache_get_page+0x129/0x770 [ 1799.138584] filemap_fault+0xcdd/0x14a0 [ 1799.142583] ext4_filemap_fault+0x7d/0xb0 [ 1799.146751] __do_fault+0x80/0x210 [ 1799.150294] __handle_mm_fault+0x991/0x25f0 [ 1799.154620] ? vm_insert_page+0x6d0/0x6d0 [ 1799.158757] ? HARDIRQ_verbose+0x10/0x10 [ 1799.162812] ? HARDIRQ_verbose+0x10/0x10 [ 1799.166867] ? SyS_futex+0x249/0x2b5 [ 1799.170602] ? check_preemption_disabled+0x34/0x1e0 [ 1799.175625] handle_mm_fault+0x2f2/0x6eb [ 1799.179701] __do_page_fault+0x45d/0xb60 [ 1799.183782] ? retint_user+0x18/0x18 [ 1799.187499] ? bad_area_access_error+0x330/0x330 [ 1799.192284] ? page_fault+0x2c/0x50 [ 1799.195922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1799.200762] ? page_fault+0x2c/0x50 [ 1799.204380] page_fault+0x42/0x50 [ 1799.207822] RIP: 0020:0x13 [ 1799.210656] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1799.211838] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1799.223676] Call Trace: [ 1799.226256] dump_stack+0xb9/0x11b [ 1799.229799] warn_alloc.cold.35+0x9d/0x1b7 [ 1799.234027] ? zone_watermark_ok_safe+0x240/0x240 [ 1799.238861] ? usleep_range+0x130/0x130 [ 1799.242869] __alloc_pages_nodemask+0x1425/0x2280 [ 1799.247776] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1799.252626] ? __lock_acquire+0x619/0x4320 [ 1799.256851] ? __lock_acquire+0x619/0x4320 [ 1799.261129] ? __lock_acquire+0x619/0x4320 [ 1799.265380] ? new_slab+0x358/0x470 [ 1799.269005] new_slab+0x3c0/0x470 [ 1799.272466] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1799.277490] ? getname_flags+0xc4/0x540 [ 1799.281477] ? fs_reclaim_acquire+0x10/0x10 [ 1799.285830] ? check_preemption_disabled+0x34/0x1e0 [ 1799.290841] ? getname_flags+0xc4/0x540 [ 1799.294818] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1799.300282] ? getname_flags+0xc4/0x540 [ 1799.304247] kmem_cache_alloc+0x19e/0x2b0 [ 1799.308402] getname_flags+0xc4/0x540 [ 1799.312203] user_path_at_empty+0x28/0x80 [ 1799.316380] vfs_statx+0xe1/0x180 [ 1799.319832] ? vfs_statx_fd+0x90/0x90 [ 1799.323625] ? __might_fault+0x104/0x1b0 [ 1799.327691] ? lock_downgrade+0x560/0x560 [ 1799.331827] ? lock_acquire+0x10f/0x380 [ 1799.335793] ? __might_fault+0xd4/0x1b0 [ 1799.339783] SyS_newfstatat+0x89/0x100 [ 1799.343665] ? SyS_newlstat+0xf0/0xf0 [ 1799.347452] ? __might_fault+0x177/0x1b0 [ 1799.351546] ? SyS_getdents+0x1d0/0x270 [ 1799.355516] ? SyS_old_readdir+0x150/0x150 [ 1799.359747] ? compat_fillonedir+0x260/0x260 [ 1799.364156] ? do_syscall_64+0x43/0x4b0 [ 1799.368131] ? SyS_newlstat+0xf0/0xf0 [ 1799.371943] do_syscall_64+0x19b/0x4b0 [ 1799.375840] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1799.381019] RIP: 0033:0x7f7afb061e1a [ 1799.384756] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1799.392460] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1799.399726] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1799.407013] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1799.414290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1799.421567] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1799.429913] CPU: 1 PID: 9335 Comm: modprobe Not tainted 4.14.87+ #21 [ 1799.436398] Call Trace: [ 1799.438979] dump_stack+0xb9/0x11b [ 1799.442523] warn_alloc.cold.35+0x9d/0x1b7 [ 1799.446766] ? zone_watermark_ok_safe+0x240/0x240 [ 1799.451605] ? usleep_range+0x130/0x130 [ 1799.455613] __alloc_pages_nodemask+0x1425/0x2280 [ 1799.460479] ? check_preemption_disabled+0x34/0x1e0 [ 1799.465499] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1799.470339] ? __is_insn_slot_addr+0x139/0x1f0 [ 1799.474949] ? __lock_acquire+0x619/0x4320 [ 1799.479195] ? __lock_acquire+0x619/0x4320 [ 1799.483440] ? depot_save_stack+0x126/0x428 [ 1799.487773] ? perf_trace_lock+0x11a/0x4c0 [ 1799.491997] ? new_slab+0x358/0x470 [ 1799.495656] new_slab+0x3c0/0x470 [ 1799.499125] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1799.504169] ? perf_event_mmap+0x447/0xc30 [ 1799.508424] ? fs_reclaim_acquire+0x10/0x10 [ 1799.512760] ? check_preemption_disabled+0x34/0x1e0 [ 1799.517785] ? perf_event_mmap+0x447/0xc30 [ 1799.522030] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1799.527505] kmem_cache_alloc_trace+0x1c6/0x300 [ 1799.532166] ? perf_event_mmap+0x447/0xc30 [ 1799.536402] perf_event_mmap+0x447/0xc30 [ 1799.540465] ? perf_event_namespaces+0x30/0x30 [ 1799.545072] ? prot_none_test+0x10/0x10 [ 1799.549036] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1799.553199] mprotect_fixup+0x3b2/0x800 [ 1799.557182] ? change_protection+0x50/0x50 [ 1799.561421] ? file_map_prot_check+0x193/0x2c0 [ 1799.566008] ? selinux_file_mprotect+0xf6/0x5c0 [ 1799.570668] ? SyS_mprotect+0x16f/0x610 [ 1799.574657] SyS_mprotect+0x30a/0x610 [ 1799.578463] ? mprotect_fixup+0x800/0x800 [ 1799.582625] ? do_syscall_64+0x43/0x4b0 [ 1799.586594] ? mprotect_fixup+0x800/0x800 [ 1799.590742] do_syscall_64+0x19b/0x4b0 [ 1799.594650] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1799.599829] RIP: 0033:0x7f515b46a447 [ 1799.603531] RSP: 002b:00007ffedf9ad348 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1799.611234] RAX: ffffffffffffffda RBX: 00007f515b6724c8 RCX: 00007f515b46a447 [ 1799.618511] RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f515b452000 [ 1799.625799] RBP: 00007ffedf9ad440 R08: 0000000000000001 R09: 0000000000000039 [ 1799.633092] R10: 00007f515b240bc0 R11: 0000000000000206 R12: 00007f515b23e000 [ 1799.640355] R13: 00007f515b4532a8 R14: 00007f515b240bc0 R15: 00007f515b452fd8 [ 1799.653818] [27020] 0 27020 17618 8232 25 4 0 1000 syz-executor1 [ 1799.663401] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1799.670322] Call Trace: [ 1799.672903] dump_stack+0xb9/0x11b [ 1799.676445] warn_alloc.cold.35+0x9d/0x1b7 [ 1799.680681] ? zone_watermark_ok_safe+0x240/0x240 [ 1799.685522] ? usleep_range+0x130/0x130 [ 1799.689547] __alloc_pages_nodemask+0x1425/0x2280 [ 1799.694415] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1799.699273] ? __lock_acquire+0x619/0x4320 [ 1799.703508] ? kasan_slab_free+0xac/0x190 [ 1799.707649] ? kmem_cache_free+0x12d/0x350 [ 1799.711882] ? putname+0xcf/0x100 [ 1799.715326] ? do_rmdir+0x161/0x3a0 [ 1799.718948] ? do_syscall_64+0x19b/0x4b0 [ 1799.723039] ? new_slab+0x358/0x470 [ 1799.726690] new_slab+0x3c0/0x470 [ 1799.730149] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1799.735180] ? getname_flags+0xc4/0x540 [ 1799.739157] ? fs_reclaim_acquire+0x10/0x10 [ 1799.743493] ? check_preemption_disabled+0x34/0x1e0 [ 1799.748504] ? getname_flags+0xc4/0x540 [ 1799.752477] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1799.757954] ? getname_flags+0xc4/0x540 [ 1799.761920] kmem_cache_alloc+0x19e/0x2b0 [ 1799.766065] getname_flags+0xc4/0x540 [ 1799.769860] ? task_work_run+0x6a/0x190 [ 1799.773861] SyS_mkdirat+0x8d/0x220 [ 1799.777514] ? trace_hardirqs_on_caller+0x381/0x520 [ 1799.782526] ? SyS_mknod+0x30/0x30 [ 1799.786068] ? do_syscall_64+0x43/0x4b0 [ 1799.790050] ? SyS_mkdirat+0x220/0x220 [ 1799.793932] do_syscall_64+0x19b/0x4b0 [ 1799.797819] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1799.803014] RIP: 0033:0x456a97 [ 1799.806191] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1799.814393] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1799.821683] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1799.828944] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1799.836206] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1799.843466] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1799.864665] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1799.871156] Call Trace: [ 1799.873752] dump_stack+0xb9/0x11b [ 1799.877295] warn_alloc.cold.35+0x9d/0x1b7 [ 1799.881522] ? zone_watermark_ok_safe+0x240/0x240 [ 1799.886373] ? usleep_range+0x130/0x130 [ 1799.890465] __alloc_pages_nodemask+0x1425/0x2280 [ 1799.895386] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1799.900230] ? __lock_acquire+0x619/0x4320 [ 1799.904463] ? check_preemption_disabled+0x34/0x1e0 [ 1799.909531] ? new_slab+0x358/0x470 [ 1799.913156] new_slab+0x3c0/0x470 [ 1799.916610] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1799.921617] ? getname_flags+0xc4/0x540 [ 1799.925594] ? fs_reclaim_acquire+0x10/0x10 [ 1799.929913] ? check_preemption_disabled+0x34/0x1e0 [ 1799.934949] ? getname_flags+0xc4/0x540 [ 1799.938925] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1799.944401] ? getname_flags+0xc4/0x540 [ 1799.948364] kmem_cache_alloc+0x19e/0x2b0 [ 1799.952509] getname_flags+0xc4/0x540 [ 1799.956311] user_path_at_empty+0x28/0x80 [ 1799.960455] vfs_statx+0xe1/0x180 [ 1799.963911] ? vfs_statx_fd+0x90/0x90 [ 1799.967700] ? mntput_no_expire+0xca/0x830 [ 1799.971943] SyS_newstat+0x81/0xf0 [ 1799.975485] ? SyS_fstat+0xe0/0xe0 [ 1799.979040] ? _raw_spin_unlock_irq+0x24/0x50 [ 1799.983531] ? trace_hardirqs_on_caller+0x381/0x520 [ 1799.988555] ? _raw_spin_unlock_irq+0x35/0x50 [ 1799.993057] ? task_work_run+0xec/0x190 [ 1799.997045] ? do_syscall_64+0x43/0x4b0 [ 1800.001015] ? SyS_fstat+0xe0/0xe0 [ 1800.004545] do_syscall_64+0x19b/0x4b0 [ 1800.008437] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1800.013616] RIP: 0033:0x7ff6b2c93c65 [ 1800.017315] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1800.025019] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1800.032283] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1800.039545] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1800.046803] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1800.054078] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1800.064744] CPU: 1 PID: 1628 Comm: rsyslogd Not tainted 4.14.87+ #21 [ 1800.071235] Call Trace: [ 1800.073817] dump_stack+0xb9/0x11b [ 1800.077358] warn_alloc.cold.35+0x9d/0x1b7 [ 1800.081586] ? zone_watermark_ok_safe+0x240/0x240 [ 1800.086421] ? usleep_range+0x130/0x130 [ 1800.090401] ? do_try_to_free_pages+0xde0/0xde0 [ 1800.095125] __alloc_pages_nodemask+0x1425/0x2280 [ 1800.099984] ? check_preemption_disabled+0x34/0x1e0 [ 1800.104998] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1800.109839] ? find_get_entry+0x118/0x550 [ 1800.114015] ? check_preemption_disabled+0x34/0x1e0 [ 1800.119041] ? check_preemption_disabled+0x34/0x1e0 [ 1800.124058] ? find_get_entry+0x13f/0x550 [ 1800.128209] ? pagecache_get_page+0x129/0x770 [ 1800.132706] filemap_fault+0xcdd/0x14a0 [ 1800.136701] ext4_filemap_fault+0x7d/0xb0 [ 1800.140846] __do_fault+0x80/0x210 [ 1800.144384] __handle_mm_fault+0x991/0x25f0 [ 1800.148707] ? vm_insert_page+0x6d0/0x6d0 [ 1800.152847] ? HARDIRQ_verbose+0x10/0x10 [ 1800.156901] ? HARDIRQ_verbose+0x10/0x10 [ 1800.160977] ? __fsnotify_parent+0xb1/0x300 [ 1800.165333] ? check_preemption_disabled+0x34/0x1e0 [ 1800.170351] handle_mm_fault+0x2f2/0x6eb [ 1800.174413] __do_page_fault+0x45d/0xb60 [ 1800.178479] ? retint_user+0x18/0x18 [ 1800.182186] ? bad_area_access_error+0x330/0x330 [ 1800.186933] ? page_fault+0x2c/0x50 [ 1800.190552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1800.195392] ? page_fault+0x2c/0x50 [ 1800.199011] page_fault+0x42/0x50 [ 1800.202456] RIP: 95b5b5a3:0xdb [ 1800.205648] RSP: 94325d10:00007f1694325d00 EFLAGS: 00000001 [ 1800.206809] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1800.219428] Call Trace: [ 1800.222008] dump_stack+0xb9/0x11b [ 1800.225561] warn_alloc.cold.35+0x9d/0x1b7 [ 1800.229787] ? zone_watermark_ok_safe+0x240/0x240 [ 1800.234635] ? usleep_range+0x130/0x130 [ 1800.238708] __alloc_pages_nodemask+0x1425/0x2280 [ 1800.243580] ? debug_check_no_obj_freed+0x150/0x77c [ 1800.248610] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1800.253446] ? __lock_acquire+0x619/0x4320 [ 1800.257687] ? __lock_acquire+0x619/0x4320 [ 1800.261914] ? lock_acquire+0x10f/0x380 [ 1800.265879] ? avc_has_perm+0x9e/0x390 [ 1800.269807] ? new_slab+0x358/0x470 [ 1800.273436] new_slab+0x3c0/0x470 [ 1800.276896] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1800.281905] ? __might_fault+0x104/0x1b0 [ 1800.285956] ? getname_flags+0xc4/0x540 [ 1800.289961] ? fs_reclaim_acquire+0x10/0x10 [ 1800.294317] ? check_preemption_disabled+0x34/0x1e0 [ 1800.299357] ? getname_flags+0xc4/0x540 [ 1800.303321] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1800.308761] ? getname_flags+0xc4/0x540 [ 1800.312741] kmem_cache_alloc+0x19e/0x2b0 [ 1800.316890] getname_flags+0xc4/0x540 [ 1800.320718] ? SyS_unlinkat+0x70/0x70 [ 1800.324509] do_unlinkat+0xc9/0x650 [ 1800.328145] ? do_rmdir+0x3a0/0x3a0 [ 1800.331784] ? SyS_newlstat+0x92/0xf0 [ 1800.335579] ? SyS_newstat+0xf0/0xf0 [ 1800.339305] ? do_syscall_64+0x43/0x4b0 [ 1800.343277] ? SyS_unlinkat+0x70/0x70 [ 1800.347183] do_syscall_64+0x19b/0x4b0 [ 1800.351073] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1800.356258] RIP: 0033:0x4573c7 [ 1800.359444] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1800.367153] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1800.374426] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1800.381703] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1800.388969] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1800.396229] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1800.489990] Total swap = 0kB [ 1800.505350] lowmem_reserve[]: 0 0 0 [ 1800.509001] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1800.526882] warn_alloc_show_mem: 1 callbacks suppressed [ 1800.526885] Mem-Info: [ 1800.537646] [27031] 0 27031 17618 12677 31 3 0 1000 syz-executor5 [ 1800.552584] lowmem_reserve[]: 0 3505 3505 [ 1800.556765] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1800.592526] 1965979 pages RAM [ 1800.595632] 0 pages HighMem/MovableOnly [ 1800.599598] 315641 pages reserved [ 1800.663623] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1800.663623] active_file:29 inactive_file:83 isolated_file:26 [ 1800.663623] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1800.663623] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1800.663623] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1800.663623] free:4392 free_pcp:0 free_cma:0 [ 1800.748363] [27091] 0 27091 17618 12677 31 3 0 1000 syz-executor5 [ 1800.872546] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1800.939621] [27108] 0 27108 17618 8237 27 4 0 1000 syz-executor2 [ 1801.102763] [27125] 0 27125 17618 12677 31 3 0 1000 syz-executor5 [ 1801.121709] 10506 total pagecache pages [ 1801.125691] 0 pages in swap cache [ 1801.129128] Swap cache stats: add 0, delete 0, find 0/0 [ 1801.204328] lowmem_reserve[]: 0 0 0 [ 1801.207983] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1801.294990] [27236] 0 27236 17618 12677 31 3 0 1000 syz-executor5 [ 1801.314084] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1801.391840] Free swap = 0kB [ 1801.394867] Total swap = 0kB [ 1801.397877] 1965979 pages RAM [ 1801.493463] [27311] 0 27311 17618 8232 25 4 0 1000 syz-executor1 [ 1801.539621] warn_alloc_show_mem: 1 callbacks suppressed [ 1801.539625] Mem-Info: [ 1801.559220] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1801.581138] 0 pages HighMem/MovableOnly [ 1801.585117] 315641 pages reserved [ 1801.603374] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1801.603374] active_file:29 inactive_file:83 isolated_file:0 [ 1801.603374] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1801.603374] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1801.603374] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1801.603374] free:4392 free_pcp:0 free_cma:0 [ 1801.719557] [27336] 0 27336 17618 12677 31 3 0 1000 syz-executor5 [ 1801.812393] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1801.861866] 10506 total pagecache pages [ 1801.865851] 0 pages in swap cache [ 1801.869301] Swap cache stats: add 0, delete 0, find 0/0 [ 1801.913792] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1801.921419] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1801.931199] node 0: slabs: 2275, objs: 27300, free: 0 [ 1801.939642] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1801.976853] [27411] 0 27411 17618 12677 31 3 0 1000 syz-executor5 [ 1802.127085] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1802.165642] Free swap = 0kB [ 1802.168655] Total swap = 0kB [ 1802.171751] [27503] 0 27503 17618 8235 26 4 0 1000 syz-executor2 [ 1802.279790] 1965979 pages RAM [ 1802.338690] 0 pages HighMem/MovableOnly [ 1802.347769] [27513] 0 27513 17618 12677 31 3 0 1000 syz-executor5 [ 1802.382902] lowmem_reserve[]: 0 3505 3505 [ 1802.387100] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1802.455523] 315641 pages reserved [ 1802.488865] lowmem_reserve[]: 0 3505 3505 [ 1802.572567] [27594] 0 27594 17618 12677 31 3 0 1000 syz-executor5 [ 1802.586223] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1802.721895] lowmem_reserve[]: 0 0 0 [ 1802.725556] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1802.807239] [27619] 0 27619 17618 12677 31 3 0 1000 syz-executor5 [ 1802.880931] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1802.957643] warn_alloc_show_mem: 1 callbacks suppressed [ 1802.957646] Mem-Info: [ 1802.999222] 10506 total pagecache pages [ 1803.036447] [27686] 0 27686 17618 12677 31 3 0 1000 syz-executor5 [ 1803.048405] 0 pages in swap cache [ 1803.074364] Swap cache stats: add 0, delete 0, find 0/0 [ 1803.079742] Free swap = 0kB [ 1803.084702] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1803.084702] active_file:29 inactive_file:83 isolated_file:0 [ 1803.084702] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1803.084702] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1803.084702] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1803.084702] free:4392 free_pcp:0 free_cma:0 [ 1803.183011] Total swap = 0kB [ 1803.186031] 1965979 pages RAM [ 1803.189153] 0 pages HighMem/MovableOnly [ 1803.276824] 315641 pages reserved [ 1803.289825] [27758] 0 27758 17618 12677 31 3 0 1000 syz-executor5 [ 1803.301258] lowmem_reserve[]: 0 0 0 [ 1803.304911] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 64*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15724kB [ 1803.432762] [27816] 0 27816 17585 8199 25 3 0 1000 syz-executor3 [ 1803.452428] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 4*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1844kB [ 1803.469334] [27828] 0 27828 17618 8234 26 4 0 1000 syz-executor2 [ 1803.487683] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1803.520136] [27852] 0 27852 17618 12677 31 3 0 1000 syz-executor5 [ 1803.529589] [27897] 0 27897 17618 12678 31 3 0 1000 syz-executor5 [ 1803.713912] 10506 total pagecache pages [ 1803.717961] 0 pages in swap cache [ 1803.905324] Swap cache stats: add 0, delete 0, find 0/0 [ 1804.048343] warn_alloc_show_mem: 3 callbacks suppressed [ 1804.048348] Mem-Info: [ 1804.063339] Free swap = 0kB [ 1804.066382] Total swap = 0kB [ 1804.069387] 1965979 pages RAM [ 1804.189536] [27920] 0 27920 17684 8242 25 4 0 0 syz-executor4 [ 1804.226336] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1804.226336] active_file:29 inactive_file:83 isolated_file:0 [ 1804.226336] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1804.226336] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1804.226336] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1804.226336] free:4392 free_pcp:0 free_cma:0 [ 1804.282249] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1804.388215] 0 pages HighMem/MovableOnly [ 1804.507073] 315641 pages reserved [ 1804.517587] [27994] 0 27994 17618 12677 31 3 0 1000 syz-executor5 [ 1804.716827] warn_alloc: 17 callbacks suppressed [ 1804.716831] modprobe: [ 1804.798420] [28063] 0 28063 17618 12677 31 3 0 1000 syz-executor5 [ 1804.865809] page allocation stalls for 186230ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1805.168351] lowmem_reserve[]: 0 3505 3505 [ 1805.185255] CPU: 1 PID: 9321 Comm: modprobe Not tainted 4.14.87+ #21 [ 1805.191748] Call Trace: [ 1805.194330] dump_stack+0xb9/0x11b [ 1805.197870] warn_alloc.cold.35+0x9d/0x1b7 [ 1805.202111] ? zone_watermark_ok_safe+0x240/0x240 [ 1805.206964] ? usleep_range+0x130/0x130 [ 1805.210982] __alloc_pages_nodemask+0x1425/0x2280 [ 1805.215856] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1805.220703] ? __lock_acquire+0x619/0x4320 [ 1805.224967] ? check_preemption_disabled+0x34/0x1e0 [ 1805.230022] ? new_slab+0x358/0x470 [ 1805.233688] new_slab+0x3c0/0x470 [ 1805.237147] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1805.242176] ? getname_flags+0xc4/0x540 [ 1805.246157] ? fs_reclaim_acquire+0x10/0x10 [ 1805.250482] ? check_preemption_disabled+0x34/0x1e0 [ 1805.255514] ? getname_flags+0xc4/0x540 [ 1805.259485] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1805.264928] ? getname_flags+0xc4/0x540 [ 1805.268890] kmem_cache_alloc+0x19e/0x2b0 [ 1805.273031] getname_flags+0xc4/0x540 [ 1805.276830] user_path_at_empty+0x28/0x80 [ 1805.280972] vfs_statx+0xe1/0x180 [ 1805.284420] ? vfs_statx_fd+0x90/0x90 [ 1805.288218] ? mntput_no_expire+0xca/0x830 [ 1805.292532] SyS_newstat+0x81/0xf0 [ 1805.296066] ? SyS_fstat+0xe0/0xe0 [ 1805.299597] ? _raw_spin_unlock_irq+0x24/0x50 [ 1805.304087] ? trace_hardirqs_on_caller+0x381/0x520 [ 1805.309140] ? _raw_spin_unlock_irq+0x35/0x50 [ 1805.313623] ? task_work_run+0xec/0x190 [ 1805.317609] ? do_syscall_64+0x43/0x4b0 [ 1805.321612] ? SyS_fstat+0xe0/0xe0 [ 1805.325161] do_syscall_64+0x19b/0x4b0 [ 1805.329048] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1805.334224] RIP: 0033:0x7f5976a38c65 [ 1805.337925] RSP: 002b:00007fff28bf3d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1805.345621] RAX: ffffffffffffffda RBX: 00007f5976d04481 RCX: 00007f5976a38c65 [ 1805.352905] RDX: 00007fff28bf3e80 RSI: 00007fff28bf3e80 RDI: 00007f5976d04481 [ 1805.360163] RBP: 00007f5976f092f0 R08: 00007f5976cefef8 R09: 00007f5976a8c070 [ 1805.367420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564f4d17c160 [ 1805.374693] R13: 00007fff28bf3fb3 R14: 0000000000000010 R15: 00055facc785c680 [ 1805.385902] [28157] 0 28157 17618 12677 31 3 0 1000 syz-executor5 [ 1805.433959] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1805.443610] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1805.450604] Call Trace: [ 1805.453181] dump_stack+0xb9/0x11b [ 1805.456737] warn_alloc.cold.35+0x9d/0x1b7 [ 1805.460983] ? zone_watermark_ok_safe+0x240/0x240 [ 1805.465836] ? __lock_acquire+0x619/0x4320 [ 1805.470090] __alloc_pages_nodemask+0x19f4/0x2280 [ 1805.474952] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1805.479789] ? perf_trace_lock+0x11a/0x4c0 [ 1805.484017] ? trace_hardirqs_on+0x10/0x10 [ 1805.488272] ? HARDIRQ_verbose+0x10/0x10 [ 1805.492340] ? check_preemption_disabled+0x34/0x1e0 [ 1805.497356] new_slab+0x3c0/0x470 [ 1805.500821] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1805.505831] ? __sigqueue_alloc+0x1d9/0x400 [ 1805.510144] ? check_preemption_disabled+0x34/0x1e0 [ 1805.515189] ? check_preemption_disabled+0x34/0x1e0 [ 1805.520196] ? __sigqueue_alloc+0x1d9/0x400 [ 1805.524527] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1805.529975] ? __sigqueue_alloc+0x1d9/0x400 [ 1805.534297] kmem_cache_alloc+0x19e/0x2b0 [ 1805.538446] __sigqueue_alloc+0x1d9/0x400 [ 1805.542600] __send_signal+0x1b0/0x1200 [ 1805.546583] force_sig_info+0x241/0x340 [ 1805.550567] force_sig_info_fault.constprop.7+0x129/0x210 [ 1805.556132] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1805.561246] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1805.566184] ? bad_area_access_error+0x1de/0x330 [ 1805.570942] __bad_area_nosemaphore+0x192/0x280 [ 1805.575615] bad_area_access_error+0x1ff/0x330 [ 1805.580192] ? mm_fault_error+0x2b0/0x2b0 [ 1805.584364] ? vmacache_find+0x50/0x250 [ 1805.588349] __do_page_fault+0x6d0/0xb60 [ 1805.592408] ? retint_user+0x18/0x18 [ 1805.596121] ? bad_area_access_error+0x330/0x330 [ 1805.600871] ? page_fault+0x2c/0x50 [ 1805.604496] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1805.609343] ? page_fault+0x2c/0x50 [ 1805.612970] page_fault+0x42/0x50 [ 1805.616414] RIP: 4c59bd:0x4da048 [ 1805.619770] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1805.619826] warn_alloc_show_mem: 3 callbacks suppressed [ 1805.619830] Mem-Info: [ 1805.633296] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1805.633296] active_file:29 inactive_file:83 isolated_file:0 [ 1805.633296] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1805.633296] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1805.633296] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1805.633296] free:4392 free_pcp:0 free_cma:0 [ 1805.666708] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1805.690305] DMA32 free:15724kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13472kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1805.719180] lowmem_reserve[]: 0 3505 3505 [ 1805.723371] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1805.752328] lowmem_reserve[]: 0 0 0 [ 1805.755958] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1805.769377] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1805.782097] 10506 total pagecache pages [ 1805.786074] 0 pages in swap cache [ 1805.789561] Swap cache stats: add 0, delete 0, find 0/0 [ 1805.794923] Free swap = 0kB [ 1805.797940] Total swap = 0kB [ 1805.800938] 1965979 pages RAM [ 1805.804024] 0 pages HighMem/MovableOnly [ 1805.808522] 315641 pages reserved [ 1805.811961] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1805.819573] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1805.828568] node 0: slabs: 32586, objs: 586548, free: 0 [ 1805.881965] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1805.932828] Normal free:1844kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16224kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1806.149571] [28164] 0 28164 17585 8202 24 3 0 0 syz-executor4 [ 1806.440113] [28172] 0 28172 17750 8212 26 3 0 0 syz-executor4 [ 1806.449636] [28230] 0 28230 17618 12677 31 3 0 1000 syz-executor5 [ 1806.621931] cron: page allocation stalls for 150140ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1806.692287] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:112kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1806.787419] [28281] 0 28281 17618 8203 25 3 0 1000 syz-executor5 [ 1806.908177] lowmem_reserve[]: 0 0 0 [ 1807.011607] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1807.017763] Call Trace: [ 1807.020358] dump_stack+0xb9/0x11b [ 1807.023906] warn_alloc.cold.35+0x9d/0x1b7 [ 1807.028143] ? zone_watermark_ok_safe+0x240/0x240 [ 1807.032987] ? usleep_range+0x130/0x130 [ 1807.036973] ? do_try_to_free_pages+0xde0/0xde0 [ 1807.041668] __alloc_pages_nodemask+0x1425/0x2280 [ 1807.046535] ? check_preemption_disabled+0x34/0x1e0 [ 1807.051553] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1807.056413] ? find_get_entry+0x118/0x550 [ 1807.060566] ? check_preemption_disabled+0x34/0x1e0 [ 1807.065577] ? check_preemption_disabled+0x34/0x1e0 [ 1807.070614] ? find_get_entry+0x13f/0x550 [ 1807.074790] ? pagecache_get_page+0x129/0x770 [ 1807.079292] filemap_fault+0xcdd/0x14a0 [ 1807.083293] ext4_filemap_fault+0x7d/0xb0 [ 1807.087439] __do_fault+0x80/0x210 [ 1807.090980] __handle_mm_fault+0x991/0x25f0 [ 1807.095308] ? vm_insert_page+0x6d0/0x6d0 [ 1807.099446] ? HARDIRQ_verbose+0x10/0x10 [ 1807.103523] ? HARDIRQ_verbose+0x10/0x10 [ 1807.107577] ? free_object+0xe4/0x240 [ 1807.111399] ? check_preemption_disabled+0x34/0x1e0 [ 1807.116419] handle_mm_fault+0x2f2/0x6eb [ 1807.120488] __do_page_fault+0x45d/0xb60 [ 1807.124549] ? retint_user+0x18/0x18 [ 1807.128254] ? bad_area_access_error+0x330/0x330 [ 1807.133007] ? page_fault+0x2c/0x50 [ 1807.136624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1807.141464] ? page_fault+0x2c/0x50 [ 1807.145089] page_fault+0x42/0x50 [ 1807.148551] RIP: 60882280: (null) [ 1807.152803] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1807.160041] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1807.238762] [28342] 0 28342 17618 12677 31 3 0 1000 syz-executor5 [ 1807.525355] [28409] 0 28409 17618 12677 31 3 0 1000 syz-executor5 [ 1807.745771] lowmem_reserve[]: 0 3505 3505 [ 1807.749989] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1807.799131] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1807.858563] [28412] 0 28412 17618 8236 25 4 0 0 syz-executor4 [ 1808.138082] [28430] 0 28430 17618 8202 25 3 0 1000 syz-executor2 [ 1808.209427] init: page allocation stalls for 190050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1808.220430] 10506 total pagecache pages [ 1808.224400] 0 pages in swap cache [ 1808.227847] Swap cache stats: add 0, delete 0, find 0/0 [ 1808.275532] syz-executor0: page allocation stalls for 190010ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1808.294205] modprobe: page allocation stalls for 190040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1808.305507] modprobe: page allocation stalls for 190050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1808.323608] modprobe: page allocation stalls for 190070ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1808.345791] syz-fuzzer: page allocation stalls for 150130ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1808.363224] rs:main Q:Reg: page allocation stalls for 150120ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1808.447429] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1808.454433] Call Trace: [ 1808.457072] dump_stack+0xb9/0x11b [ 1808.460629] warn_alloc.cold.35+0x9d/0x1b7 [ 1808.464872] ? zone_watermark_ok_safe+0x240/0x240 [ 1808.469757] __alloc_pages_nodemask+0x1425/0x2280 [ 1808.474615] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1808.479549] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1808.484392] ? perf_trace_lock+0x11a/0x4c0 [ 1808.488633] ? check_preemption_disabled+0x34/0x1e0 [ 1808.493680] ? rcu_read_lock_sched_held+0x102/0x120 [ 1808.498697] copy_process.part.6+0x267/0x6530 [ 1808.503203] ? __handle_mm_fault+0xdab/0x25f0 [ 1808.507688] ? lock_downgrade+0x560/0x560 [ 1808.511830] ? check_preemption_disabled+0x34/0x1e0 [ 1808.516862] ? perf_trace_lock+0x11a/0x4c0 [ 1808.521139] ? __cleanup_sighand+0x40/0x40 [ 1808.525387] ? vm_insert_page+0x6d0/0x6d0 [ 1808.529523] ? HARDIRQ_verbose+0x10/0x10 [ 1808.533609] _do_fork+0x1c2/0xd50 [ 1808.537102] ? fork_idle+0x250/0x250 [ 1808.540813] ? up_read+0x17/0x30 [ 1808.544189] ? __do_page_fault+0x64c/0xb60 [ 1808.548426] ? do_syscall_64+0x43/0x4b0 [ 1808.552403] ? sys_vfork+0x20/0x20 [ 1808.555931] do_syscall_64+0x19b/0x4b0 [ 1808.559826] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1808.565007] RIP: 0033:0x45a049 [ 1808.568206] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1808.575907] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1808.583167] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1808.590431] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1808.597708] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1808.604969] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1808.635207] [28474] 0 28474 17618 12677 31 3 0 1000 syz-executor5 [ 1808.707301] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1808.713209] Call Trace: [ 1808.715796] dump_stack+0xb9/0x11b [ 1808.719342] warn_alloc.cold.35+0x9d/0x1b7 [ 1808.723573] ? zone_watermark_ok_safe+0x240/0x240 [ 1808.728415] ? usleep_range+0x130/0x130 [ 1808.732441] __alloc_pages_nodemask+0x1425/0x2280 [ 1808.737307] ? __kernel_text_address+0x9/0x30 [ 1808.741801] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1808.746652] ? __lock_acquire+0x619/0x4320 [ 1808.750883] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1808.755372] ? kmemdup+0x20/0x50 [ 1808.758729] ? selinux_cred_prepare+0x3e/0x90 [ 1808.763230] ? new_slab+0x358/0x470 [ 1808.766883] new_slab+0x3c0/0x470 [ 1808.770357] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1808.775383] ? getname_flags+0xc4/0x540 [ 1808.779360] ? fs_reclaim_acquire+0x10/0x10 [ 1808.783687] ? check_preemption_disabled+0x34/0x1e0 [ 1808.788715] ? getname_flags+0xc4/0x540 [ 1808.792713] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1808.798163] ? getname_flags+0xc4/0x540 [ 1808.802144] kmem_cache_alloc+0x19e/0x2b0 [ 1808.806292] getname_flags+0xc4/0x540 [ 1808.810602] user_path_at_empty+0x28/0x80 [ 1808.814765] SyS_faccessat+0x20d/0x660 [ 1808.818652] ? SyS_fallocate+0x80/0x80 [ 1808.822544] ? do_syscall_64+0x43/0x4b0 [ 1808.826517] ? SyS_faccessat+0x660/0x660 [ 1808.830590] do_syscall_64+0x19b/0x4b0 [ 1808.834490] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1808.839672] RIP: 0033:0x7f413a3c43c7 [ 1808.843384] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1808.851084] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1808.858342] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1808.865603] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1808.872863] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1808.880121] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1808.930085] Free swap = 0kB [ 1808.933129] Total swap = 0kB [ 1808.936134] 1965979 pages RAM [ 1808.939230] 0 pages HighMem/MovableOnly [ 1808.951868] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1808.958356] Call Trace: [ 1808.960941] dump_stack+0xb9/0x11b [ 1808.964493] warn_alloc.cold.35+0x9d/0x1b7 [ 1808.968728] ? zone_watermark_ok_safe+0x240/0x240 [ 1808.973581] ? usleep_range+0x130/0x130 [ 1808.977590] __alloc_pages_nodemask+0x1425/0x2280 [ 1808.982499] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1808.987366] ? __lock_acquire+0x619/0x4320 [ 1808.991594] ? __lock_acquire+0x619/0x4320 [ 1808.995833] ? __lock_acquire+0x619/0x4320 [ 1809.000101] ? new_slab+0x358/0x470 [ 1809.003732] new_slab+0x3c0/0x470 [ 1809.007204] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1809.012216] ? getname_flags+0xc4/0x540 [ 1809.016194] ? fs_reclaim_acquire+0x10/0x10 [ 1809.020522] ? check_preemption_disabled+0x34/0x1e0 [ 1809.025549] ? getname_flags+0xc4/0x540 [ 1809.029519] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1809.034964] ? getname_flags+0xc4/0x540 [ 1809.038935] kmem_cache_alloc+0x19e/0x2b0 [ 1809.043084] getname_flags+0xc4/0x540 [ 1809.046891] user_path_at_empty+0x28/0x80 [ 1809.051045] vfs_statx+0xe1/0x180 [ 1809.054508] ? vfs_statx_fd+0x90/0x90 [ 1809.058300] ? __might_fault+0x104/0x1b0 [ 1809.062361] ? lock_downgrade+0x560/0x560 [ 1809.066508] ? lock_acquire+0x10f/0x380 [ 1809.070484] ? __might_fault+0xd4/0x1b0 [ 1809.074462] SyS_newfstatat+0x89/0x100 [ 1809.078352] ? SyS_newlstat+0xf0/0xf0 [ 1809.082148] ? __might_fault+0x177/0x1b0 [ 1809.086210] ? SyS_getdents+0x1d0/0x270 [ 1809.090220] ? SyS_old_readdir+0x150/0x150 [ 1809.094451] ? compat_fillonedir+0x260/0x260 [ 1809.098872] ? do_syscall_64+0x43/0x4b0 [ 1809.102847] ? SyS_newlstat+0xf0/0xf0 [ 1809.106662] do_syscall_64+0x19b/0x4b0 [ 1809.110563] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1809.115747] RIP: 0033:0x7fe72a00be1a [ 1809.119450] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1809.127158] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1809.134435] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1809.141698] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1809.149011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1809.156278] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1809.167458] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1809.173970] Call Trace: [ 1809.176553] dump_stack+0xb9/0x11b [ 1809.180100] warn_alloc.cold.35+0x9d/0x1b7 [ 1809.184336] ? zone_watermark_ok_safe+0x240/0x240 [ 1809.189192] ? usleep_range+0x130/0x130 [ 1809.193207] __alloc_pages_nodemask+0x1425/0x2280 [ 1809.198078] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1809.202944] ? __lock_acquire+0x619/0x4320 [ 1809.207171] ? __lock_acquire+0x619/0x4320 [ 1809.211408] ? __lock_acquire+0x619/0x4320 [ 1809.215658] ? new_slab+0x358/0x470 [ 1809.219290] new_slab+0x3c0/0x470 [ 1809.222782] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1809.227797] ? getname_flags+0xc4/0x540 [ 1809.231774] ? fs_reclaim_acquire+0x10/0x10 [ 1809.236099] ? check_preemption_disabled+0x34/0x1e0 [ 1809.241125] ? getname_flags+0xc4/0x540 [ 1809.245114] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1809.250562] ? getname_flags+0xc4/0x540 [ 1809.254529] kmem_cache_alloc+0x19e/0x2b0 [ 1809.258679] getname_flags+0xc4/0x540 [ 1809.262494] user_path_at_empty+0x28/0x80 [ 1809.266648] vfs_statx+0xe1/0x180 [ 1809.270122] ? vfs_statx_fd+0x90/0x90 [ 1809.273917] ? __might_fault+0x104/0x1b0 [ 1809.277975] ? lock_downgrade+0x560/0x560 [ 1809.282114] ? lock_acquire+0x10f/0x380 [ 1809.286082] ? __might_fault+0xd4/0x1b0 [ 1809.290059] SyS_newfstatat+0x89/0x100 [ 1809.293947] ? SyS_newlstat+0xf0/0xf0 [ 1809.297755] ? __might_fault+0x177/0x1b0 [ 1809.301815] ? SyS_getdents+0x1d0/0x270 [ 1809.305802] ? SyS_old_readdir+0x150/0x150 [ 1809.310031] ? compat_fillonedir+0x260/0x260 [ 1809.314443] ? do_syscall_64+0x43/0x4b0 [ 1809.318422] ? SyS_newlstat+0xf0/0xf0 [ 1809.322216] do_syscall_64+0x19b/0x4b0 [ 1809.326106] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1809.331294] RIP: 0033:0x7f7afb061e1a [ 1809.334995] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1809.342699] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1809.349959] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1809.357219] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1809.364490] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1809.371755] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1809.381047] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1809.387547] Call Trace: [ 1809.390143] dump_stack+0xb9/0x11b [ 1809.393691] warn_alloc.cold.35+0x9d/0x1b7 [ 1809.397940] ? zone_watermark_ok_safe+0x240/0x240 [ 1809.402778] ? usleep_range+0x130/0x130 [ 1809.406793] __alloc_pages_nodemask+0x1425/0x2280 [ 1809.411655] ? perf_trace_lock+0x11a/0x4c0 [ 1809.415889] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1809.420731] ? check_preemption_disabled+0x34/0x1e0 [ 1809.425751] ? __lock_acquire+0x619/0x4320 [ 1809.430022] ? new_slab+0x358/0x470 [ 1809.433651] new_slab+0x3c0/0x470 [ 1809.437115] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1809.442129] ? getname_flags+0xc4/0x540 [ 1809.446111] ? fs_reclaim_acquire+0x10/0x10 [ 1809.450433] ? check_preemption_disabled+0x34/0x1e0 [ 1809.455447] ? getname_flags+0xc4/0x540 [ 1809.459427] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1809.464877] ? getname_flags+0xc4/0x540 [ 1809.468863] kmem_cache_alloc+0x19e/0x2b0 [ 1809.473016] getname_flags+0xc4/0x540 [ 1809.476821] user_path_at_empty+0x28/0x80 [ 1809.480969] vfs_statx+0xe1/0x180 [ 1809.484426] ? vfs_statx_fd+0x90/0x90 [ 1809.488239] SyS_newstat+0x81/0xf0 [ 1809.491794] ? SyS_fstat+0xe0/0xe0 [ 1809.495342] ? up_read+0x17/0x30 [ 1809.498705] ? __do_page_fault+0x64c/0xb60 [ 1809.502946] ? do_syscall_64+0x43/0x4b0 [ 1809.506922] ? SyS_fstat+0xe0/0xe0 [ 1809.510454] do_syscall_64+0x19b/0x4b0 [ 1809.514359] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1809.519556] RIP: 0033:0x7f810d837c65 [ 1809.523278] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1809.531007] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1809.538300] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1809.545562] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1809.552827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1809.560092] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1809.602174] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1809.608863] Call Trace: [ 1809.611448] dump_stack+0xb9/0x11b [ 1809.615007] warn_alloc.cold.35+0x9d/0x1b7 [ 1809.619243] ? zone_watermark_ok_safe+0x240/0x240 [ 1809.624089] ? usleep_range+0x130/0x130 [ 1809.628070] ? do_try_to_free_pages+0xde0/0xde0 [ 1809.632766] __alloc_pages_nodemask+0x1425/0x2280 [ 1809.637656] ? check_preemption_disabled+0x34/0x1e0 [ 1809.642690] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1809.647533] ? find_get_entry+0x118/0x550 [ 1809.651689] ? check_preemption_disabled+0x34/0x1e0 [ 1809.656702] ? check_preemption_disabled+0x34/0x1e0 [ 1809.661725] ? find_get_entry+0x13f/0x550 [ 1809.665880] ? pagecache_get_page+0x129/0x770 [ 1809.670381] filemap_fault+0xcdd/0x14a0 [ 1809.674377] ext4_filemap_fault+0x7d/0xb0 [ 1809.678520] __do_fault+0x80/0x210 [ 1809.682060] __handle_mm_fault+0x991/0x25f0 [ 1809.686402] ? vm_insert_page+0x6d0/0x6d0 [ 1809.690544] ? HARDIRQ_verbose+0x10/0x10 [ 1809.694601] ? HARDIRQ_verbose+0x10/0x10 [ 1809.698655] ? SyS_futex+0x249/0x2b5 [ 1809.702397] ? check_preemption_disabled+0x34/0x1e0 [ 1809.707416] handle_mm_fault+0x2f2/0x6eb [ 1809.711498] __do_page_fault+0x45d/0xb60 [ 1809.715577] ? retint_user+0x18/0x18 [ 1809.719291] ? bad_area_access_error+0x330/0x330 [ 1809.724072] ? page_fault+0x2c/0x50 [ 1809.727703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1809.732564] ? page_fault+0x2c/0x50 [ 1809.736186] page_fault+0x42/0x50 [ 1809.739628] RIP: 0020:0x13 [ 1809.742486] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1809.753193] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1809.765465] Call Trace: [ 1809.768054] dump_stack+0xb9/0x11b [ 1809.771593] warn_alloc.cold.35+0x9d/0x1b7 [ 1809.775822] ? zone_watermark_ok_safe+0x240/0x240 [ 1809.780657] ? usleep_range+0x130/0x130 [ 1809.784633] ? do_try_to_free_pages+0xde0/0xde0 [ 1809.789377] __alloc_pages_nodemask+0x1425/0x2280 [ 1809.794245] ? check_preemption_disabled+0x34/0x1e0 [ 1809.799297] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1809.804135] ? find_get_entry+0x118/0x550 [ 1809.808771] ? check_preemption_disabled+0x34/0x1e0 [ 1809.813788] ? check_preemption_disabled+0x34/0x1e0 [ 1809.818811] ? find_get_entry+0x13f/0x550 [ 1809.822967] ? pagecache_get_page+0x129/0x770 [ 1809.827465] filemap_fault+0xcdd/0x14a0 [ 1809.831464] ext4_filemap_fault+0x7d/0xb0 [ 1809.835648] __do_fault+0x80/0x210 [ 1809.839184] __handle_mm_fault+0x991/0x25f0 [ 1809.843514] ? vm_insert_page+0x6d0/0x6d0 [ 1809.847687] ? HARDIRQ_verbose+0x10/0x10 [ 1809.851736] ? HARDIRQ_verbose+0x10/0x10 [ 1809.855819] ? check_preemption_disabled+0x34/0x1e0 [ 1809.860868] handle_mm_fault+0x2f2/0x6eb [ 1809.864929] __do_page_fault+0x45d/0xb60 [ 1809.868994] ? retint_user+0x18/0x18 [ 1809.872701] ? bad_area_access_error+0x330/0x330 [ 1809.877448] ? page_fault+0x2c/0x50 [ 1809.881096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1809.885944] ? page_fault+0x2c/0x50 [ 1809.889568] page_fault+0x42/0x50 [ 1809.893012] RIP: 0000:0x5 [ 1809.895757] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1809.923009] [28545] 0 28545 17618 12677 32 3 0 1000 syz-executor0 [ 1809.996286] lowmem_reserve[]: 0 0 0 [ 1809.999967] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1810.140100] 315641 pages reserved [ 1810.168846] [28597] 0 28597 17618 12677 31 3 0 1000 syz-executor5 [ 1810.178410] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1810.191287] warn_alloc: 15 callbacks suppressed [ 1810.191291] kthreadd: page allocation stalls for 192000ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1810.216930] [28627] 0 28627 17618 12677 32 3 0 1000 syz-executor0 [ 1810.226439] 10506 total pagecache pages [ 1810.239557] [28675] 0 28675 17618 12677 31 3 0 1000 syz-executor5 [ 1810.249067] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1810.255294] Call Trace: [ 1810.257880] dump_stack+0xb9/0x11b [ 1810.261425] warn_alloc.cold.35+0x9d/0x1b7 [ 1810.265658] ? zone_watermark_ok_safe+0x240/0x240 [ 1810.270548] __alloc_pages_nodemask+0x1425/0x2280 [ 1810.275408] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1810.280353] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1810.285199] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1810.290383] ? copy_process.part.6+0x1435/0x6530 [ 1810.295171] ? rcu_read_lock_sched_held+0x102/0x120 [ 1810.300188] copy_process.part.6+0x267/0x6530 [ 1810.304711] ? __lock_acquire+0x619/0x4320 [ 1810.308962] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1810.314059] ? kthread_create_on_node+0xe0/0xe0 [ 1810.318723] ? __cleanup_sighand+0x40/0x40 [ 1810.322955] ? perf_trace_lock+0x11a/0x4c0 [ 1810.327178] ? check_preemption_disabled+0x34/0x1e0 [ 1810.332211] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1810.337150] _do_fork+0x1c2/0xd50 [ 1810.340604] ? kthread_create_on_node+0xe0/0xe0 [ 1810.345269] ? fork_idle+0x250/0x250 [ 1810.348987] ? kthreadd+0x28a/0x3d0 [ 1810.352610] ? lock_downgrade+0x560/0x560 [ 1810.356748] ? lock_acquire+0x10f/0x380 [ 1810.360711] ? kthreadd+0x1c4/0x3d0 [ 1810.364355] ? kthread_create_on_node+0xe0/0xe0 [ 1810.369013] kernel_thread+0x2f/0x40 [ 1810.372746] kthreadd+0x29e/0x3d0 [ 1810.376196] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1810.380944] ? finish_task_switch+0x1e6/0x610 [ 1810.385435] ? __switch_to_asm+0x34/0x70 [ 1810.389506] ? __switch_to_asm+0x40/0x70 [ 1810.393562] ? __switch_to_asm+0x34/0x70 [ 1810.397618] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1810.402367] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1810.407133] ret_from_fork+0x3a/0x50 [ 1810.441053] syz-executor5: page allocation stalls for 190280ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1810.456591] syz-executor0: page allocation stalls for 190080ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1810.476595] syz-executor4: page allocation stalls for 190280ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1810.517657] CPU: 1 PID: 1842 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1810.524609] Call Trace: [ 1810.527196] dump_stack+0xb9/0x11b [ 1810.530760] warn_alloc.cold.35+0x9d/0x1b7 [ 1810.534992] ? zone_watermark_ok_safe+0x240/0x240 [ 1810.539882] __alloc_pages_nodemask+0x1425/0x2280 [ 1810.544845] ? finish_task_switch+0x1e6/0x610 [ 1810.549777] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1810.554619] ? __lock_acquire+0x619/0x4320 [ 1810.558849] ? finish_task_switch+0x1bd/0x610 [ 1810.563347] ? __lock_acquire+0x619/0x4320 [ 1810.567581] ? _raw_spin_unlock_irq+0x35/0x50 [ 1810.572073] ? finish_task_switch+0x1e6/0x610 [ 1810.576597] ? new_slab+0x358/0x470 [ 1810.580243] new_slab+0x3c0/0x470 [ 1810.583708] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1810.588725] ? getname_flags+0xc4/0x540 [ 1810.592705] ? fs_reclaim_acquire+0x10/0x10 [ 1810.597031] ? check_preemption_disabled+0x34/0x1e0 [ 1810.602044] ? getname_flags+0xc4/0x540 [ 1810.606019] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1810.611469] ? getname_flags+0xc4/0x540 [ 1810.615463] kmem_cache_alloc+0x19e/0x2b0 [ 1810.619631] getname_flags+0xc4/0x540 [ 1810.623451] do_sys_open+0x1ea/0x580 [ 1810.627191] ? filp_open+0x60/0x60 [ 1810.630747] ? SyS_nanosleep+0x138/0x190 [ 1810.634803] ? hrtimer_nanosleep+0x470/0x470 [ 1810.639213] ? do_syscall_64+0x43/0x4b0 [ 1810.643181] ? do_sys_open+0x580/0x580 [ 1810.647066] do_syscall_64+0x19b/0x4b0 [ 1810.650979] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1810.656176] RIP: 0033:0x455680 [ 1810.659355] RSP: 002b:00007fffed769380 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1810.667064] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1810.674324] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1810.681775] RBP: 0000000000000b38 R08: 0000000000000001 R09: 00000000015ef940 [ 1810.689037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000001e [ 1810.696301] R13: 000000000018ad11 R14: 000000000000029b R15: 0000000000000000 [ 1810.741737] 0 pages in swap cache [ 1810.745224] Swap cache stats: add 0, delete 0, find 0/0 [ 1810.868016] [28686] 0 28686 17618 12677 32 3 0 1000 syz-executor0 [ 1810.885430] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1810.892410] Call Trace: [ 1810.895016] dump_stack+0xb9/0x11b [ 1810.898559] warn_alloc.cold.35+0x9d/0x1b7 [ 1810.902792] ? zone_watermark_ok_safe+0x240/0x240 [ 1810.907708] __alloc_pages_nodemask+0x1425/0x2280 [ 1810.912580] ? finish_task_switch+0x1e6/0x610 [ 1810.917091] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1810.921944] ? __lock_acquire+0x619/0x4320 [ 1810.926189] ? finish_task_switch+0x1bd/0x610 [ 1810.930685] ? __lock_acquire+0x619/0x4320 [ 1810.934912] ? _raw_spin_unlock_irq+0x35/0x50 [ 1810.939428] ? finish_task_switch+0x1e6/0x610 [ 1810.944030] ? new_slab+0x358/0x470 [ 1810.947689] new_slab+0x3c0/0x470 [ 1810.951165] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1810.956177] ? getname_flags+0xc4/0x540 [ 1810.960168] ? fs_reclaim_acquire+0x10/0x10 [ 1810.964496] ? check_preemption_disabled+0x34/0x1e0 [ 1810.969528] ? getname_flags+0xc4/0x540 [ 1810.973499] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1810.978942] ? getname_flags+0xc4/0x540 [ 1810.982903] kmem_cache_alloc+0x19e/0x2b0 [ 1810.987049] getname_flags+0xc4/0x540 [ 1810.990884] do_sys_open+0x1ea/0x580 [ 1810.994597] ? filp_open+0x60/0x60 [ 1810.998149] ? SyS_nanosleep+0x138/0x190 [ 1811.002200] ? hrtimer_nanosleep+0x470/0x470 [ 1811.006606] ? do_syscall_64+0x43/0x4b0 [ 1811.010573] ? do_sys_open+0x580/0x580 [ 1811.014454] do_syscall_64+0x19b/0x4b0 [ 1811.018355] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1811.023532] RIP: 0033:0x455680 [ 1811.026709] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1811.034410] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1811.041684] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1811.048960] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1811.056217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1811.063482] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1811.078783] CPU: 1 PID: 1845 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1811.085769] Call Trace: [ 1811.088365] dump_stack+0xb9/0x11b [ 1811.091923] warn_alloc.cold.35+0x9d/0x1b7 [ 1811.096184] ? zone_watermark_ok_safe+0x240/0x240 [ 1811.101033] ? usleep_range+0x130/0x130 [ 1811.105043] __alloc_pages_nodemask+0x1425/0x2280 [ 1811.109915] ? finish_task_switch+0x1e6/0x610 [ 1811.114408] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1811.119241] ? __lock_acquire+0x619/0x4320 [ 1811.123491] ? finish_task_switch+0x1bd/0x610 [ 1811.127986] ? __lock_acquire+0x619/0x4320 [ 1811.132217] ? _raw_spin_unlock_irq+0x35/0x50 [ 1811.136707] ? finish_task_switch+0x1e6/0x610 [ 1811.141228] ? new_slab+0x358/0x470 [ 1811.144867] new_slab+0x3c0/0x470 [ 1811.148339] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1811.153346] ? getname_flags+0xc4/0x540 [ 1811.157325] ? fs_reclaim_acquire+0x10/0x10 [ 1811.161646] ? check_preemption_disabled+0x34/0x1e0 [ 1811.166656] ? getname_flags+0xc4/0x540 [ 1811.170622] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1811.176071] ? getname_flags+0xc4/0x540 [ 1811.180039] kmem_cache_alloc+0x19e/0x2b0 [ 1811.184185] getname_flags+0xc4/0x540 [ 1811.188005] do_sys_open+0x1ea/0x580 [ 1811.191717] ? filp_open+0x60/0x60 [ 1811.195254] ? SyS_nanosleep+0x138/0x190 [ 1811.199309] ? hrtimer_nanosleep+0x470/0x470 [ 1811.203717] ? do_syscall_64+0x43/0x4b0 [ 1811.207687] ? do_sys_open+0x580/0x580 [ 1811.211570] do_syscall_64+0x19b/0x4b0 [ 1811.215465] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1811.220651] RIP: 0033:0x455680 [ 1811.223833] RSP: 002b:00007ffe88de53c0 EFLAGS: 00000206 ORIG_RAX: 0000000000000002 [ 1811.231536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1811.238794] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1811.246074] RBP: 00000000000014ac R08: 0000000000000001 R09: 0000000001530940 [ 1811.253332] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000020 [ 1811.260606] R13: 000000000018ac62 R14: 000000000000052c R15: 0000000000000004 [ 1811.297155] Free swap = 0kB [ 1811.344984] Total swap = 0kB [ 1811.348009] 1965979 pages RAM [ 1811.423416] [28701] 0 28701 17585 8198 24 3 0 1000 syz-executor1 [ 1811.466437] 0 pages HighMem/MovableOnly [ 1811.502945] warn_alloc_show_mem: 2 callbacks suppressed [ 1811.502949] Mem-Info: [ 1811.550057] 315641 pages reserved [ 1811.570982] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1811.570982] active_file:29 inactive_file:83 isolated_file:0 [ 1811.570982] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1811.570982] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1811.570982] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1811.570982] free:4408 free_pcp:0 free_cma:0 [ 1811.651034] [28706] 0 28706 17651 8202 24 3 0 1000 syz-executor1 [ 1811.726695] modprobe: page allocation stalls for 193560ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1811.760545] [28737] 0 28737 17618 12677 31 3 0 1000 syz-executor5 [ 1811.770507] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1811.795138] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1811.801634] Call Trace: [ 1811.804228] dump_stack+0xb9/0x11b [ 1811.807774] warn_alloc.cold.35+0x9d/0x1b7 [ 1811.812547] ? zone_watermark_ok_safe+0x240/0x240 [ 1811.817395] ? usleep_range+0x130/0x130 [ 1811.821520] __alloc_pages_nodemask+0x1425/0x2280 [ 1811.826385] ? __kernel_text_address+0x9/0x30 [ 1811.830884] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1811.835740] ? __lock_acquire+0x619/0x4320 [ 1811.839977] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1811.844473] ? kmemdup+0x20/0x50 [ 1811.847848] ? selinux_cred_prepare+0x3e/0x90 [ 1811.852357] ? new_slab+0x358/0x470 [ 1811.855990] new_slab+0x3c0/0x470 [ 1811.859451] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1811.864473] ? getname_flags+0xc4/0x540 [ 1811.868465] ? fs_reclaim_acquire+0x10/0x10 [ 1811.872800] ? check_preemption_disabled+0x34/0x1e0 [ 1811.877815] ? getname_flags+0xc4/0x540 [ 1811.881790] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1811.887238] ? getname_flags+0xc4/0x540 [ 1811.891229] kmem_cache_alloc+0x19e/0x2b0 [ 1811.895382] getname_flags+0xc4/0x540 [ 1811.899192] user_path_at_empty+0x28/0x80 [ 1811.903342] SyS_faccessat+0x20d/0x660 [ 1811.907239] ? SyS_fallocate+0x80/0x80 [ 1811.911137] ? do_syscall_64+0x43/0x4b0 [ 1811.915107] ? SyS_faccessat+0x660/0x660 [ 1811.919169] do_syscall_64+0x19b/0x4b0 [ 1811.923065] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1811.928251] RIP: 0033:0x7fd4ad02d267 [ 1811.931958] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1811.939661] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1811.946922] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1811.954183] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1811.961446] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1811.968715] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1812.085454] [28753] 0 28753 17618 12707 32 3 0 1000 syz-executor0 [ 1812.134228] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1812.305329] [28769] 0 28769 17651 8235 26 4 0 1000 syz-executor3 [ 1812.385041] lowmem_reserve[]: 0 3505 3505 [ 1812.389277] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1812.499508] [28800] 0 28800 17618 12677 31 3 0 1000 syz-executor5 [ 1812.658620] lowmem_reserve[]: 0 0 0 [ 1812.687579] [28858] 0 28858 17618 12677 31 3 0 1000 syz-executor5 [ 1812.697196] warn_alloc_show_mem: 1 callbacks suppressed [ 1812.697200] Mem-Info: [ 1812.706623] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1812.825657] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1812.825657] active_file:29 inactive_file:83 isolated_file:0 [ 1812.825657] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1812.825657] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1812.825657] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1812.825657] free:4408 free_pcp:0 free_cma:0 [ 1812.868981] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1812.942260] [28914] 0 28914 17618 12677 31 3 0 1000 syz-executor5 [ 1812.994066] 10506 total pagecache pages [ 1812.998048] 0 pages in swap cache [ 1813.059260] Swap cache stats: add 0, delete 0, find 0/0 [ 1813.107374] Free swap = 0kB [ 1813.110442] Total swap = 0kB [ 1813.113458] 1965979 pages RAM [ 1813.116572] 0 pages HighMem/MovableOnly [ 1813.182250] [28968] 0 28968 17618 12677 31 3 0 1000 syz-executor5 [ 1813.236580] 315641 pages reserved [ 1813.389114] [28991] 0 28991 17618 8233 25 4 0 1000 syz-executor1 [ 1813.628884] [29002] 0 29002 17585 8231 25 4 0 1000 syz-executor1 [ 1813.660156] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1813.886574] [29013] 0 29013 17585 8231 25 4 0 1000 syz-executor1 [ 1814.122699] [29019] 0 29019 17618 12677 31 3 0 1000 syz-executor5 [ 1814.257442] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1814.304330] warn_alloc_show_mem: 3 callbacks suppressed [ 1814.304334] Mem-Info: [ 1814.400177] [29039] 0 29039 17585 8231 25 4 0 1000 syz-executor1 [ 1814.409684] [29075] 0 29075 17618 12677 31 3 0 1000 syz-executor5 [ 1814.523774] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1814.523774] active_file:29 inactive_file:83 isolated_file:0 [ 1814.523774] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1814.523774] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1814.523774] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1814.523774] free:4408 free_pcp:0 free_cma:0 [ 1814.923853] [29095] 0 29095 17585 8231 25 4 0 1000 syz-executor1 [ 1815.057128] kthreadd: page allocation stalls for 196860ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1815.092100] lowmem_reserve[]: 0 3505 3505 [ 1815.096308] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1815.220316] [29106] 0 29106 17585 8231 25 4 0 1000 syz-executor1 [ 1815.229777] [29119] 0 29119 17585 8230 25 4 0 1000 syz-executor1 [ 1815.432812] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1815.439069] Call Trace: [ 1815.441656] dump_stack+0xb9/0x11b [ 1815.445198] warn_alloc.cold.35+0x9d/0x1b7 [ 1815.449423] ? zone_watermark_ok_safe+0x240/0x240 [ 1815.454322] __alloc_pages_nodemask+0x1425/0x2280 [ 1815.459197] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.464136] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1815.469025] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1815.474208] ? copy_process.part.6+0x1435/0x6530 [ 1815.478995] ? rcu_read_lock_sched_held+0x102/0x120 [ 1815.484016] copy_process.part.6+0x267/0x6530 [ 1815.488576] ? __lock_acquire+0x619/0x4320 [ 1815.492810] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1815.497926] ? kthread_create_on_node+0xe0/0xe0 [ 1815.502609] ? __cleanup_sighand+0x40/0x40 [ 1815.506841] ? perf_trace_lock+0x11a/0x4c0 [ 1815.511102] ? check_preemption_disabled+0x34/0x1e0 [ 1815.516151] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.521079] _do_fork+0x1c2/0xd50 [ 1815.524528] ? kthread_create_on_node+0xe0/0xe0 [ 1815.529193] ? fork_idle+0x250/0x250 [ 1815.532905] ? kthreadd+0x28a/0x3d0 [ 1815.536527] ? lock_downgrade+0x560/0x560 [ 1815.540663] ? lock_acquire+0x10f/0x380 [ 1815.544624] ? kthreadd+0x1c4/0x3d0 [ 1815.548258] ? kthread_create_on_node+0xe0/0xe0 [ 1815.552918] kernel_thread+0x2f/0x40 [ 1815.556622] kthreadd+0x29e/0x3d0 [ 1815.560068] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1815.564817] ? finish_task_switch+0x1e6/0x610 [ 1815.569306] ? __switch_to_asm+0x34/0x70 [ 1815.573356] ? __switch_to_asm+0x40/0x70 [ 1815.577405] ? __switch_to_asm+0x34/0x70 [ 1815.581457] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1815.586211] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1815.590966] ret_from_fork+0x3a/0x50 [ 1815.594811] kthreadd: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1815.604057] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.14.87+ #21 [ 1815.610291] Call Trace: [ 1815.612862] [ 1815.615007] dump_stack+0xb9/0x11b [ 1815.618550] warn_alloc.cold.35+0x9d/0x1b7 [ 1815.622793] ? zone_watermark_ok_safe+0x240/0x240 [ 1815.627678] __alloc_pages_nodemask+0x19f4/0x2280 [ 1815.632525] ? __lock_acquire+0x619/0x4320 [ 1815.636755] ? __lock_acquire+0x619/0x4320 [ 1815.640994] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1815.645834] ? check_preemption_disabled+0x34/0x1e0 [ 1815.650853] ? __lock_acquire+0x619/0x4320 [ 1815.655078] ? check_preemption_disabled+0x34/0x1e0 [ 1815.660113] ? __lock_acquire+0x619/0x4320 [ 1815.664338] ? check_preemption_disabled+0x34/0x1e0 [ 1815.669357] new_slab+0x3c0/0x470 [ 1815.672817] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1815.677832] ? check_preemption_disabled+0x34/0x1e0 [ 1815.682864] ? __alloc_skb+0xd8/0x550 [ 1815.686666] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.691603] ? HARDIRQ_verbose+0x10/0x10 [ 1815.695657] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.700588] ? check_preemption_disabled+0x34/0x1e0 [ 1815.705598] ? __alloc_skb+0xd8/0x550 [ 1815.709392] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1815.714842] ? __alloc_skb+0xd8/0x550 [ 1815.718645] kmem_cache_alloc+0x19e/0x2b0 [ 1815.722793] __alloc_skb+0xd8/0x550 [ 1815.726414] ? check_preemption_disabled+0x34/0x1e0 [ 1815.731425] ? __kmalloc_reserve.isra.8+0xc0/0xc0 [ 1815.736263] ? trace_hardirqs_on_caller+0x261/0x520 [ 1815.741283] ? ipv6_get_ifaddr+0x345/0x550 [ 1815.745543] ? __local_bh_enable_ip+0x65/0xb0 [ 1815.750048] ndisc_alloc_skb+0x135/0x300 [ 1815.754105] ndisc_send_rs+0x2e0/0x650 [ 1815.757988] addrconf_rs_timer+0x27e/0x5a0 [ 1815.762207] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.767130] ? ipv6_get_lladdr+0x440/0x440 [ 1815.771351] ? lock_acquire+0x10f/0x380 [ 1815.775350] ? ipv6_get_lladdr+0x440/0x440 [ 1815.779579] ? ipv6_get_lladdr+0x440/0x440 [ 1815.783820] call_timer_fn+0x163/0x6d0 [ 1815.787702] ? collect_expired_timers+0x280/0x280 [ 1815.792565] ? _raw_spin_unlock_irq+0x24/0x50 [ 1815.797064] expire_timers+0x1f3/0x4a0 [ 1815.800940] ? ipv6_get_lladdr+0x440/0x440 [ 1815.805184] run_timer_softirq+0x1da/0x560 [ 1815.809906] ? clockevents_program_event+0x10d/0x2d0 [ 1815.815016] ? expire_timers+0x4a0/0x4a0 [ 1815.819146] ? kvm_clock_read+0x1f/0x30 [ 1815.823149] __do_softirq+0x20d/0x9bd [ 1815.826945] ? check_preemption_disabled+0x34/0x1e0 [ 1815.831979] irq_exit+0x117/0x150 [ 1815.835441] smp_apic_timer_interrupt+0x18c/0x600 [ 1815.840318] apic_timer_interrupt+0x84/0x90 [ 1815.844625] [ 1815.846851] RIP: 0010:dump_stack+0xfc/0x11b [ 1815.851155] RSP: 0000:ffff8881da9f77f8 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 [ 1815.858850] RAX: 0000000000000007 RBX: 0000000000000297 RCX: 0000000000000000 [ 1815.866151] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000297 [ 1815.873407] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 1815.880681] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 1815.887953] R13: ffffffff8b4a55c0 R14: 00000000ffffffff R15: dffffc0000000000 [ 1815.895267] warn_alloc.cold.35+0x9d/0x1b7 [ 1815.899516] ? zone_watermark_ok_safe+0x240/0x240 [ 1815.904394] __alloc_pages_nodemask+0x1425/0x2280 [ 1815.909250] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.914173] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1815.919011] ? ___slab_alloc.constprop.35+0x1b6/0x480 [ 1815.924212] ? copy_process.part.6+0x1435/0x6530 [ 1815.929012] ? rcu_read_lock_sched_held+0x102/0x120 [ 1815.934030] copy_process.part.6+0x267/0x6530 [ 1815.938556] ? __lock_acquire+0x619/0x4320 [ 1815.942790] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1815.947906] ? kthread_create_on_node+0xe0/0xe0 [ 1815.952584] ? __cleanup_sighand+0x40/0x40 [ 1815.956846] ? perf_trace_lock+0x11a/0x4c0 [ 1815.961105] ? check_preemption_disabled+0x34/0x1e0 [ 1815.966118] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1815.971046] _do_fork+0x1c2/0xd50 [ 1815.974501] ? kthread_create_on_node+0xe0/0xe0 [ 1815.979163] ? fork_idle+0x250/0x250 [ 1815.982885] ? kthreadd+0x28a/0x3d0 [ 1815.986512] ? lock_downgrade+0x560/0x560 [ 1815.990651] ? lock_acquire+0x10f/0x380 [ 1815.994617] ? kthreadd+0x1c4/0x3d0 [ 1815.998296] ? kthread_create_on_node+0xe0/0xe0 [ 1816.002954] kernel_thread+0x2f/0x40 [ 1816.006679] kthreadd+0x29e/0x3d0 [ 1816.010124] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1816.014888] ? finish_task_switch+0x1e6/0x610 [ 1816.019378] ? __switch_to_asm+0x34/0x70 [ 1816.023428] ? __switch_to_asm+0x40/0x70 [ 1816.027475] ? __switch_to_asm+0x34/0x70 [ 1816.031549] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1816.036319] ? kthread_create_on_cpu+0x1b0/0x1b0 [ 1816.041071] ret_from_fork+0x3a/0x50 [ 1816.044826] warn_alloc_show_mem: 4 callbacks suppressed [ 1816.044829] Mem-Info: [ 1816.052599] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1816.052599] active_file:29 inactive_file:83 isolated_file:0 [ 1816.052599] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1816.052599] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1816.052599] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1816.052599] free:4408 free_pcp:0 free_cma:0 [ 1816.086039] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1816.109636] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1816.138510] lowmem_reserve[]: 0 3505 3505 [ 1816.142685] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1816.171645] lowmem_reserve[]: 0 0 0 [ 1816.175366] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1816.188810] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1816.201530] 10506 total pagecache pages [ 1816.205498] 0 pages in swap cache [ 1816.208954] Swap cache stats: add 0, delete 0, find 0/0 [ 1816.214301] Free swap = 0kB [ 1816.217300] Total swap = 0kB [ 1816.220299] 1965979 pages RAM [ 1816.223391] 0 pages HighMem/MovableOnly [ 1816.227349] 315641 pages reserved [ 1816.230793] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1816.238401] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 1816.248177] node 0: slabs: 2275, objs: 27300, free: 0 [ 1816.253568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 1816.319764] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1816.591977] cron: page allocation stalls for 160110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1816.632601] [29124] 0 29124 17585 8230 25 4 0 1000 syz-executor1 [ 1816.749334] Mem-Info: [ 1816.761380] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1816.761380] active_file:29 inactive_file:58 isolated_file:32 [ 1816.761380] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1816.761380] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1816.761380] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1816.761380] free:4408 free_pcp:0 free_cma:0 [ 1816.800064] [29132] 0 29132 17618 12677 31 3 0 1000 syz-executor5 [ 1816.810003] [29153] 0 29153 17585 8230 25 4 0 1000 syz-executor1 [ 1816.819614] lowmem_reserve[]: 0 0 0 [ 1816.824812] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1816.830952] Call Trace: [ 1816.833574] dump_stack+0xb9/0x11b [ 1816.837118] warn_alloc.cold.35+0x9d/0x1b7 [ 1816.841352] ? zone_watermark_ok_safe+0x240/0x240 [ 1816.846190] ? usleep_range+0x130/0x130 [ 1816.850187] ? do_try_to_free_pages+0xde0/0xde0 [ 1816.854883] __alloc_pages_nodemask+0x1425/0x2280 [ 1816.859742] ? check_preemption_disabled+0x34/0x1e0 [ 1816.864776] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1816.869622] ? find_get_entry+0x118/0x550 [ 1816.873772] ? check_preemption_disabled+0x34/0x1e0 [ 1816.878782] ? check_preemption_disabled+0x34/0x1e0 [ 1816.883801] ? find_get_entry+0x13f/0x550 [ 1816.887970] ? pagecache_get_page+0x129/0x770 [ 1816.892469] filemap_fault+0xcdd/0x14a0 [ 1816.896475] ext4_filemap_fault+0x7d/0xb0 [ 1816.900633] __do_fault+0x80/0x210 [ 1816.904187] __handle_mm_fault+0x991/0x25f0 [ 1816.908519] ? vm_insert_page+0x6d0/0x6d0 [ 1816.912665] ? HARDIRQ_verbose+0x10/0x10 [ 1816.916717] ? HARDIRQ_verbose+0x10/0x10 [ 1816.920791] ? free_object+0xe4/0x240 [ 1816.924634] ? check_preemption_disabled+0x34/0x1e0 [ 1816.929672] handle_mm_fault+0x2f2/0x6eb [ 1816.933736] __do_page_fault+0x45d/0xb60 [ 1816.937798] ? retint_user+0x18/0x18 [ 1816.941515] ? bad_area_access_error+0x330/0x330 [ 1816.946265] ? page_fault+0x2c/0x50 [ 1816.949892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1816.954756] ? page_fault+0x2c/0x50 [ 1816.958380] page_fault+0x42/0x50 [ 1816.961824] RIP: 60882280: (null) [ 1816.966050] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1817.154937] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1817.199191] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1817.584303] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1817.621114] [29176] 0 29176 17585 8231 25 4 0 1000 syz-executor1 [ 1817.774805] warn_alloc_show_mem: 1 callbacks suppressed [ 1817.774809] Mem-Info: [ 1817.908562] [29193] 0 29193 17618 12677 31 3 0 1000 syz-executor5 [ 1817.957091] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1817.957091] active_file:29 inactive_file:83 isolated_file:0 [ 1817.957091] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1817.957091] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1817.957091] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1817.957091] free:4408 free_pcp:0 free_cma:0 [ 1818.010900] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):104kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1818.034816] 10506 total pagecache pages [ 1818.038797] 0 pages in swap cache [ 1818.064028] [29286] 0 29286 17618 12677 31 3 0 1000 syz-executor5 [ 1818.073584] Swap cache stats: add 0, delete 0, find 0/0 [ 1818.078943] Free swap = 0kB [ 1818.099117] lowmem_reserve[]: 0 3505 3505 [ 1818.103379] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1818.150542] Total swap = 0kB [ 1818.153561] 1965979 pages RAM [ 1818.156655] 0 pages HighMem/MovableOnly [ 1818.226349] syz-fuzzer: page allocation stalls for 160010ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1818.247081] syz-fuzzer: page allocation stalls for 160020ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1818.259803] [29307] 0 29307 17585 8231 25 4 0 1000 syz-executor1 [ 1818.281084] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1818.317805] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1818.324470] Call Trace: [ 1818.327065] dump_stack+0xb9/0x11b [ 1818.330609] warn_alloc.cold.35+0x9d/0x1b7 [ 1818.334854] ? zone_watermark_ok_safe+0x240/0x240 [ 1818.339717] ? usleep_range+0x130/0x130 [ 1818.343693] ? do_try_to_free_pages+0xde0/0xde0 [ 1818.348380] __alloc_pages_nodemask+0x1425/0x2280 [ 1818.353233] ? check_preemption_disabled+0x34/0x1e0 [ 1818.358260] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1818.363100] ? find_get_entry+0x118/0x550 [ 1818.367261] ? check_preemption_disabled+0x34/0x1e0 [ 1818.372292] ? check_preemption_disabled+0x34/0x1e0 [ 1818.377310] ? find_get_entry+0x13f/0x550 [ 1818.381459] ? pagecache_get_page+0x129/0x770 [ 1818.385964] filemap_fault+0xcdd/0x14a0 [ 1818.389958] ext4_filemap_fault+0x7d/0xb0 [ 1818.394098] __do_fault+0x80/0x210 [ 1818.397637] __handle_mm_fault+0x991/0x25f0 [ 1818.401962] ? vm_insert_page+0x6d0/0x6d0 [ 1818.406103] ? HARDIRQ_verbose+0x10/0x10 [ 1818.410154] ? HARDIRQ_verbose+0x10/0x10 [ 1818.414223] ? SyS_futex+0x249/0x2b5 [ 1818.417960] ? check_preemption_disabled+0x34/0x1e0 [ 1818.422982] handle_mm_fault+0x2f2/0x6eb [ 1818.427049] __do_page_fault+0x45d/0xb60 [ 1818.431113] ? retint_user+0x18/0x18 [ 1818.434824] ? bad_area_access_error+0x330/0x330 [ 1818.439578] ? page_fault+0x2c/0x50 [ 1818.443196] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1818.448040] ? page_fault+0x2c/0x50 [ 1818.451665] page_fault+0x42/0x50 [ 1818.455110] RIP: 0020:0x13 [ 1818.457942] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1818.502639] syz-executor0: page allocation stalls for 200240ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1818.520476] rsyslogd: page allocation stalls for 160170ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1818.537023] syz-executor2: page allocation stalls for 200260ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1818.548924] modprobe: page allocation stalls for 200290ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1818.560259] syz-executor3: page allocation stalls for 200300ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1818.571952] modprobe: page allocation stalls for 200300ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1818.620966] 315641 pages reserved [ 1818.626049] [29315] 0 29315 17585 8231 25 4 0 1000 syz-executor1 [ 1818.636644] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1818.643310] Call Trace: [ 1818.645909] dump_stack+0xb9/0x11b [ 1818.649457] warn_alloc.cold.35+0x9d/0x1b7 [ 1818.653711] ? zone_watermark_ok_safe+0x240/0x240 [ 1818.658557] ? usleep_range+0x130/0x130 [ 1818.662540] ? do_try_to_free_pages+0xde0/0xde0 [ 1818.667234] __alloc_pages_nodemask+0x1425/0x2280 [ 1818.672111] ? check_preemption_disabled+0x34/0x1e0 [ 1818.677285] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1818.682145] ? find_get_entry+0x118/0x550 [ 1818.686316] ? check_preemption_disabled+0x34/0x1e0 [ 1818.691328] ? check_preemption_disabled+0x34/0x1e0 [ 1818.696349] ? find_get_entry+0x13f/0x550 [ 1818.700513] ? pagecache_get_page+0x129/0x770 [ 1818.705015] filemap_fault+0xcdd/0x14a0 [ 1818.709013] ext4_filemap_fault+0x7d/0xb0 [ 1818.713160] __do_fault+0x80/0x210 [ 1818.716703] __handle_mm_fault+0x991/0x25f0 [ 1818.721030] ? vm_insert_page+0x6d0/0x6d0 [ 1818.725177] ? HARDIRQ_verbose+0x10/0x10 [ 1818.729243] ? HARDIRQ_verbose+0x10/0x10 [ 1818.733305] ? SyS_futex+0x249/0x2b5 [ 1818.737043] ? check_preemption_disabled+0x34/0x1e0 [ 1818.742070] handle_mm_fault+0x2f2/0x6eb [ 1818.746134] __do_page_fault+0x45d/0xb60 [ 1818.750229] ? retint_user+0x18/0x18 [ 1818.753938] ? bad_area_access_error+0x330/0x330 [ 1818.758692] ? page_fault+0x2c/0x50 [ 1818.762314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1818.767174] ? page_fault+0x2c/0x50 [ 1818.770802] page_fault+0x42/0x50 [ 1818.774245] RIP: 0020:0x13 [ 1818.777081] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1818.789599] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1818.801906] Call Trace: [ 1818.804505] dump_stack+0xb9/0x11b [ 1818.808546] warn_alloc.cold.35+0x9d/0x1b7 [ 1818.812782] ? zone_watermark_ok_safe+0x240/0x240 [ 1818.817676] __alloc_pages_nodemask+0x1425/0x2280 [ 1818.822544] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1818.827498] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1818.832383] ? perf_trace_lock+0x11a/0x4c0 [ 1818.836618] ? check_preemption_disabled+0x34/0x1e0 [ 1818.842297] ? rcu_read_lock_sched_held+0x102/0x120 [ 1818.847319] copy_process.part.6+0x267/0x6530 [ 1818.851822] ? __handle_mm_fault+0xdab/0x25f0 [ 1818.856320] ? lock_downgrade+0x560/0x560 [ 1818.860468] ? check_preemption_disabled+0x34/0x1e0 [ 1818.865512] ? perf_trace_lock+0x11a/0x4c0 [ 1818.869765] ? __cleanup_sighand+0x40/0x40 [ 1818.873996] ? vm_insert_page+0x6d0/0x6d0 [ 1818.878137] ? HARDIRQ_verbose+0x10/0x10 [ 1818.882225] _do_fork+0x1c2/0xd50 [ 1818.885682] ? fork_idle+0x250/0x250 [ 1818.889394] ? up_read+0x17/0x30 [ 1818.892761] ? __do_page_fault+0x64c/0xb60 [ 1818.896999] ? do_syscall_64+0x43/0x4b0 [ 1818.900979] ? sys_vfork+0x20/0x20 [ 1818.904515] do_syscall_64+0x19b/0x4b0 [ 1818.908414] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1818.913600] RIP: 0033:0x45a049 [ 1818.916798] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1818.924525] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1818.931787] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1818.939051] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1818.946314] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1818.953596] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1818.966576] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:280kB unevictable:74848kB isolated(anon):0kB isolated(file):52kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1818.994043] CPU: 1 PID: 1628 Comm: rsyslogd Not tainted 4.14.87+ #21 [ 1819.000537] Call Trace: [ 1819.003152] dump_stack+0xb9/0x11b [ 1819.006701] warn_alloc.cold.35+0x9d/0x1b7 [ 1819.010933] ? zone_watermark_ok_safe+0x240/0x240 [ 1819.015822] __alloc_pages_nodemask+0x1425/0x2280 [ 1819.020684] ? check_preemption_disabled+0x34/0x1e0 [ 1819.025698] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1819.030556] ? find_get_entry+0x118/0x550 [ 1819.034709] ? check_preemption_disabled+0x34/0x1e0 [ 1819.039771] ? check_preemption_disabled+0x34/0x1e0 [ 1819.044831] ? find_get_entry+0x13f/0x550 [ 1819.048990] ? pagecache_get_page+0x129/0x770 [ 1819.053553] filemap_fault+0xcdd/0x14a0 [ 1819.057571] ext4_filemap_fault+0x7d/0xb0 [ 1819.061713] __do_fault+0x80/0x210 [ 1819.065275] __handle_mm_fault+0x991/0x25f0 [ 1819.069604] ? vm_insert_page+0x6d0/0x6d0 [ 1819.073742] ? HARDIRQ_verbose+0x10/0x10 [ 1819.077806] ? HARDIRQ_verbose+0x10/0x10 [ 1819.081864] ? __fsnotify_parent+0xb1/0x300 [ 1819.086224] ? check_preemption_disabled+0x34/0x1e0 [ 1819.091260] handle_mm_fault+0x2f2/0x6eb [ 1819.095341] __do_page_fault+0x45d/0xb60 [ 1819.099417] ? retint_user+0x18/0x18 [ 1819.103142] ? bad_area_access_error+0x330/0x330 [ 1819.107893] ? page_fault+0x2c/0x50 [ 1819.111532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1819.116376] ? page_fault+0x2c/0x50 [ 1819.119997] page_fault+0x42/0x50 [ 1819.123457] RIP: 95b5b5a3:0xdb [ 1819.126666] RSP: 94325d10:00007f1694325d00 EFLAGS: 00000001 [ 1819.148235] CPU: 1 PID: 9337 Comm: modprobe Not tainted 4.14.87+ #21 [ 1819.160460] Call Trace: [ 1819.163055] dump_stack+0xb9/0x11b [ 1819.166597] warn_alloc.cold.35+0x9d/0x1b7 [ 1819.170827] ? zone_watermark_ok_safe+0x240/0x240 [ 1819.175732] __alloc_pages_nodemask+0x1425/0x2280 [ 1819.180593] ? perf_trace_lock+0x11a/0x4c0 [ 1819.184826] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1819.189669] ? check_preemption_disabled+0x34/0x1e0 [ 1819.194690] ? __lock_acquire+0x619/0x4320 [ 1819.198978] ? new_slab+0x358/0x470 [ 1819.202609] new_slab+0x3c0/0x470 [ 1819.206067] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1819.211081] ? getname_flags+0xc4/0x540 [ 1819.215078] ? fs_reclaim_acquire+0x10/0x10 [ 1819.219401] ? check_preemption_disabled+0x34/0x1e0 [ 1819.224415] ? getname_flags+0xc4/0x540 [ 1819.228388] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1819.233835] ? getname_flags+0xc4/0x540 [ 1819.237803] kmem_cache_alloc+0x19e/0x2b0 [ 1819.241951] getname_flags+0xc4/0x540 [ 1819.245787] user_path_at_empty+0x28/0x80 [ 1819.249932] vfs_statx+0xe1/0x180 [ 1819.253390] ? vfs_statx_fd+0x90/0x90 [ 1819.257204] SyS_newstat+0x81/0xf0 [ 1819.260743] ? SyS_fstat+0xe0/0xe0 [ 1819.264338] ? up_read+0x17/0x30 [ 1819.267696] ? __do_page_fault+0x64c/0xb60 [ 1819.271933] ? do_syscall_64+0x43/0x4b0 [ 1819.275940] ? SyS_fstat+0xe0/0xe0 [ 1819.279472] do_syscall_64+0x19b/0x4b0 [ 1819.283377] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1819.288556] RIP: 0033:0x7faa2689cc65 [ 1819.292260] RSP: 002b:00007ffdb9619138 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1819.299970] RAX: ffffffffffffffda RBX: 00007faa26b68471 RCX: 00007faa2689cc65 [ 1819.307230] RDX: 00007ffdb9619230 RSI: 00007ffdb9619230 RDI: 00007faa26b68471 [ 1819.314497] RBP: 00007faa26d6d2e8 R08: 2b37382e34312e34 R09: 00007ffdb961a282 [ 1819.321763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1819.329023] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1819.442014] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1819.448533] Call Trace: [ 1819.451127] dump_stack+0xb9/0x11b [ 1819.454679] warn_alloc.cold.35+0x9d/0x1b7 [ 1819.458909] ? zone_watermark_ok_safe+0x240/0x240 [ 1819.463793] __alloc_pages_nodemask+0x1425/0x2280 [ 1819.468661] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1819.473516] ? __lock_acquire+0x619/0x4320 [ 1819.477747] ? __lock_acquire+0x619/0x4320 [ 1819.482030] ? __lock_acquire+0x619/0x4320 [ 1819.486287] ? new_slab+0x358/0x470 [ 1819.489933] new_slab+0x3c0/0x470 [ 1819.493393] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1819.498402] ? getname_flags+0xc4/0x540 [ 1819.502378] ? fs_reclaim_acquire+0x10/0x10 [ 1819.506699] ? check_preemption_disabled+0x34/0x1e0 [ 1819.511711] ? getname_flags+0xc4/0x540 [ 1819.515678] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1819.521122] ? getname_flags+0xc4/0x540 [ 1819.525109] kmem_cache_alloc+0x19e/0x2b0 [ 1819.529254] getname_flags+0xc4/0x540 [ 1819.533079] user_path_at_empty+0x28/0x80 [ 1819.537229] vfs_statx+0xe1/0x180 [ 1819.540697] ? vfs_statx_fd+0x90/0x90 [ 1819.544495] ? __might_fault+0x104/0x1b0 [ 1819.548588] ? lock_downgrade+0x560/0x560 [ 1819.552727] ? lock_acquire+0x10f/0x380 [ 1819.556707] ? __might_fault+0xd4/0x1b0 [ 1819.560684] SyS_newfstatat+0x89/0x100 [ 1819.564565] ? SyS_newlstat+0xf0/0xf0 [ 1819.568356] ? __might_fault+0x177/0x1b0 [ 1819.572429] ? SyS_getdents+0x1d0/0x270 [ 1819.576400] ? SyS_old_readdir+0x150/0x150 [ 1819.580626] ? compat_fillonedir+0x260/0x260 [ 1819.585040] ? do_syscall_64+0x43/0x4b0 [ 1819.589009] ? SyS_newlstat+0xf0/0xf0 [ 1819.592817] do_syscall_64+0x19b/0x4b0 [ 1819.596706] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1819.601883] RIP: 0033:0x7f7afb061e1a [ 1819.605584] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1819.613289] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1819.620549] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1819.627811] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1819.635071] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1819.642336] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1819.655993] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1819.662942] Call Trace: [ 1819.665533] dump_stack+0xb9/0x11b [ 1819.669093] warn_alloc.cold.35+0x9d/0x1b7 [ 1819.673329] ? zone_watermark_ok_safe+0x240/0x240 [ 1819.678222] __alloc_pages_nodemask+0x1425/0x2280 [ 1819.683086] ? debug_check_no_obj_freed+0x150/0x77c [ 1819.688149] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1819.693010] ? __lock_acquire+0x619/0x4320 [ 1819.697253] ? __lock_acquire+0x619/0x4320 [ 1819.701522] ? lock_acquire+0x10f/0x380 [ 1819.705500] ? avc_has_perm+0x9e/0x390 [ 1819.709423] ? new_slab+0x358/0x470 [ 1819.713053] new_slab+0x3c0/0x470 [ 1819.716526] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1819.721540] ? __might_fault+0x104/0x1b0 [ 1819.725599] ? getname_flags+0xc4/0x540 [ 1819.729580] ? fs_reclaim_acquire+0x10/0x10 [ 1819.733909] ? check_preemption_disabled+0x34/0x1e0 [ 1819.738936] ? getname_flags+0xc4/0x540 [ 1819.742907] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1819.748354] ? getname_flags+0xc4/0x540 [ 1819.752320] kmem_cache_alloc+0x19e/0x2b0 [ 1819.756470] getname_flags+0xc4/0x540 [ 1819.760276] ? SyS_unlinkat+0x70/0x70 [ 1819.764081] do_unlinkat+0xc9/0x650 [ 1819.767710] ? do_rmdir+0x3a0/0x3a0 [ 1819.771340] ? SyS_newlstat+0x92/0xf0 [ 1819.775147] ? SyS_newstat+0xf0/0xf0 [ 1819.778879] ? do_syscall_64+0x43/0x4b0 [ 1819.782858] ? SyS_unlinkat+0x70/0x70 [ 1819.786666] do_syscall_64+0x19b/0x4b0 [ 1819.790590] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1819.795803] RIP: 0033:0x4573c7 [ 1819.799020] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1819.806734] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1819.814533] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1819.821847] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1819.829126] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1819.836387] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1819.844706] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1819.851628] Call Trace: [ 1819.854205] dump_stack+0xb9/0x11b [ 1819.857744] warn_alloc.cold.35+0x9d/0x1b7 [ 1819.861973] ? zone_watermark_ok_safe+0x240/0x240 [ 1819.866856] __alloc_pages_nodemask+0x1425/0x2280 [ 1819.871720] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1819.876586] ? __lock_acquire+0x619/0x4320 [ 1819.880816] ? kasan_slab_free+0xac/0x190 [ 1819.884961] ? kmem_cache_free+0x12d/0x350 [ 1819.889218] ? putname+0xcf/0x100 [ 1819.892696] ? do_rmdir+0x161/0x3a0 [ 1819.896317] ? do_syscall_64+0x19b/0x4b0 [ 1819.900406] ? new_slab+0x358/0x470 [ 1819.904078] new_slab+0x3c0/0x470 [ 1819.907541] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1819.912554] ? getname_flags+0xc4/0x540 [ 1819.916537] ? fs_reclaim_acquire+0x10/0x10 [ 1819.920862] ? check_preemption_disabled+0x34/0x1e0 [ 1819.925891] ? getname_flags+0xc4/0x540 [ 1819.929861] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1819.935308] ? getname_flags+0xc4/0x540 [ 1819.939315] kmem_cache_alloc+0x19e/0x2b0 [ 1819.943479] getname_flags+0xc4/0x540 [ 1819.947287] ? task_work_run+0x6a/0x190 [ 1819.951260] SyS_mkdirat+0x8d/0x220 [ 1819.954889] ? trace_hardirqs_on_caller+0x381/0x520 [ 1819.959899] ? SyS_mknod+0x30/0x30 [ 1819.963438] ? do_syscall_64+0x43/0x4b0 [ 1819.967403] ? SyS_mkdirat+0x220/0x220 [ 1819.971304] do_syscall_64+0x19b/0x4b0 [ 1819.975198] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1819.980379] RIP: 0033:0x456a97 [ 1819.983561] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1819.991265] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1819.998533] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1820.005821] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1820.013099] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1820.020358] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1820.062107] [29331] 0 29331 17585 8231 25 4 0 1000 syz-executor1 [ 1820.169204] lowmem_reserve[]: 0 0 0 [ 1820.246502] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1820.266586] [29359] 0 29359 17618 12677 31 3 0 1000 syz-executor5 [ 1820.344032] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1820.351698] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1820.360693] node 0: slabs: 32586, objs: 586548, free: 0 [ 1820.435041] lowmem_reserve[]: 0 3505 3505 [ 1820.439232] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1820.510981] [29377] 0 29377 17585 8231 25 4 0 1000 syz-executor1 [ 1820.544319] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1820.628132] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1820.717668] [29392] 0 29392 17585 8231 25 4 0 1000 syz-executor1 [ 1820.729321] warn_alloc: 18 callbacks suppressed [ 1820.729326] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1820.743644] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1820.750648] Call Trace: [ 1820.753235] dump_stack+0xb9/0x11b [ 1820.756778] warn_alloc.cold.35+0x9d/0x1b7 [ 1820.761022] ? zone_watermark_ok_safe+0x240/0x240 [ 1820.765878] ? __lock_acquire+0x619/0x4320 [ 1820.770135] __alloc_pages_nodemask+0x19f4/0x2280 [ 1820.775019] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1820.779865] ? perf_trace_lock+0x11a/0x4c0 [ 1820.784090] ? trace_hardirqs_on+0x10/0x10 [ 1820.788347] ? HARDIRQ_verbose+0x10/0x10 [ 1820.792422] ? check_preemption_disabled+0x34/0x1e0 [ 1820.797441] new_slab+0x3c0/0x470 [ 1820.800909] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1820.805954] ? __sigqueue_alloc+0x1d9/0x400 [ 1820.810777] ? check_preemption_disabled+0x34/0x1e0 [ 1820.815802] ? check_preemption_disabled+0x34/0x1e0 [ 1820.820817] ? __sigqueue_alloc+0x1d9/0x400 [ 1820.825139] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1820.830588] ? __sigqueue_alloc+0x1d9/0x400 [ 1820.834903] kmem_cache_alloc+0x19e/0x2b0 [ 1820.839069] __sigqueue_alloc+0x1d9/0x400 [ 1820.843236] __send_signal+0x1b0/0x1200 [ 1820.847225] force_sig_info+0x241/0x340 [ 1820.851241] force_sig_info_fault.constprop.7+0x129/0x210 [ 1820.856778] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1820.861888] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1820.866823] ? bad_area_access_error+0x1de/0x330 [ 1820.871602] __bad_area_nosemaphore+0x192/0x280 [ 1820.876284] bad_area_access_error+0x1ff/0x330 [ 1820.880864] ? mm_fault_error+0x2b0/0x2b0 [ 1820.885011] ? vmacache_find+0x50/0x250 [ 1820.888999] __do_page_fault+0x6d0/0xb60 [ 1820.893062] ? retint_user+0x18/0x18 [ 1820.896788] ? bad_area_access_error+0x330/0x330 [ 1820.901539] ? page_fault+0x2c/0x50 [ 1820.905160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1820.910005] ? page_fault+0x2c/0x50 [ 1820.913626] page_fault+0x42/0x50 [ 1820.917073] RIP: 4c59bd:0x4da048 [ 1820.920429] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1820.920467] Mem-Info: [ 1820.928594] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1820.928594] active_file:29 inactive_file:83 isolated_file:0 [ 1820.928594] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1820.928594] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1820.928594] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1820.928594] free:4408 free_pcp:0 free_cma:0 [ 1820.962017] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1820.985616] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1821.014496] lowmem_reserve[]: 0 3505 3505 [ 1821.018672] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1821.047634] lowmem_reserve[]: 0 0 0 [ 1821.051275] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1821.064735] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1821.077495] 10506 total pagecache pages [ 1821.081462] 0 pages in swap cache [ 1821.084912] Swap cache stats: add 0, delete 0, find 0/0 [ 1821.090265] Free swap = 0kB [ 1821.093301] Total swap = 0kB [ 1821.096308] 1965979 pages RAM [ 1821.099399] 0 pages HighMem/MovableOnly [ 1821.103361] 315641 pages reserved [ 1821.106816] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1821.114424] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1821.123428] node 0: slabs: 32586, objs: 586548, free: 0 [ 1821.259749] 10506 total pagecache pages [ 1821.299818] [29401] 0 29401 17585 8231 25 4 0 1000 syz-executor1 [ 1821.344576] 0 pages in swap cache [ 1821.348043] Swap cache stats: add 0, delete 0, find 0/0 [ 1821.507745] [29417] 0 29417 17618 12677 31 3 0 1000 syz-executor5 [ 1821.548792] Free swap = 0kB [ 1821.555099] lowmem_reserve[]: 0 3505 3505 [ 1821.559309] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1821.598765] lowmem_reserve[]: 0 0 0 [ 1821.645134] Total swap = 0kB [ 1821.648183] 1965979 pages RAM [ 1821.682335] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1821.772241] [29437] 0 29437 17585 8199 24 3 0 1000 syz-executor1 [ 1821.784113] 0 pages HighMem/MovableOnly [ 1821.788099] 315641 pages reserved [ 1821.872553] Mem-Info: [ 1821.875000] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1821.875000] active_file:29 inactive_file:82 isolated_file:0 [ 1821.875000] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1821.875000] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1821.875000] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1821.875000] free:4408 free_pcp:0 free_cma:0 [ 1822.001762] [29465] 0 29465 17618 12677 31 3 0 1000 syz-executor5 [ 1822.019525] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1822.091990] init: page allocation stalls for 203940ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1822.228469] [29477] 0 29477 17651 8241 27 4 0 1000 syz-executor0 [ 1822.238075] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:324kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1822.317641] 10506 total pagecache pages [ 1822.355601] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1822.361482] Call Trace: [ 1822.364089] dump_stack+0xb9/0x11b [ 1822.367663] warn_alloc.cold.35+0x9d/0x1b7 [ 1822.371890] ? zone_watermark_ok_safe+0x240/0x240 [ 1822.376727] ? usleep_range+0x130/0x130 [ 1822.380782] __alloc_pages_nodemask+0x1425/0x2280 [ 1822.385635] ? __kernel_text_address+0x9/0x30 [ 1822.390135] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1822.394995] ? __lock_acquire+0x619/0x4320 [ 1822.399268] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1822.403764] ? kmemdup+0x20/0x50 [ 1822.407126] ? selinux_cred_prepare+0x3e/0x90 [ 1822.411678] ? new_slab+0x358/0x470 [ 1822.415322] new_slab+0x3c0/0x470 [ 1822.418778] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1822.423786] ? getname_flags+0xc4/0x540 [ 1822.427764] ? fs_reclaim_acquire+0x10/0x10 [ 1822.432084] ? check_preemption_disabled+0x34/0x1e0 [ 1822.437093] ? getname_flags+0xc4/0x540 [ 1822.441063] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1822.446514] ? getname_flags+0xc4/0x540 [ 1822.450504] kmem_cache_alloc+0x19e/0x2b0 [ 1822.454673] getname_flags+0xc4/0x540 [ 1822.458500] user_path_at_empty+0x28/0x80 [ 1822.462651] SyS_faccessat+0x20d/0x660 [ 1822.466542] ? SyS_fallocate+0x80/0x80 [ 1822.470444] ? do_syscall_64+0x43/0x4b0 [ 1822.474434] ? SyS_faccessat+0x660/0x660 [ 1822.478498] do_syscall_64+0x19b/0x4b0 [ 1822.482393] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1822.487579] RIP: 0033:0x7f413a3c43c7 [ 1822.491286] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1822.498990] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1822.506250] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1822.513533] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1822.520792] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1822.528052] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1822.560054] lowmem_reserve[]: 0 0 0 [ 1822.563701] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1822.607171] 0 pages in swap cache [ 1822.657450] [29509] 0 29509 17618 8233 25 4 0 1000 syz-executor1 [ 1822.672755] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1822.731975] Swap cache stats: add 0, delete 0, find 0/0 [ 1822.737361] Free swap = 0kB [ 1822.895353] [29527] 0 29527 17618 12677 31 3 0 1000 syz-executor5 [ 1822.913902] Total swap = 0kB [ 1822.916937] 1965979 pages RAM [ 1822.956666] lowmem_reserve[]: 0 3505 3505 [ 1822.984191] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1823.011292] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1823.083446] 0 pages HighMem/MovableOnly [ 1823.087432] 315641 pages reserved [ 1823.141401] [29557] 0 29557 17618 12677 31 3 0 1000 syz-executor5 [ 1823.279623] lowmem_reserve[]: 0 0 0 [ 1823.296440] 10506 total pagecache pages [ 1823.325712] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1823.341594] syz-executor5: page allocation stalls for 203180ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1823.370145] [29562] 0 29562 17618 8233 25 4 0 1000 syz-executor1 [ 1823.379602] [29569] 0 29569 17618 8238 26 4 0 1000 syz-executor3 [ 1823.423231] 0 pages in swap cache [ 1823.426686] Swap cache stats: add 0, delete 0, find 0/0 [ 1823.479981] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1823.598144] 10506 total pagecache pages [ 1823.617463] Free swap = 0kB [ 1823.625025] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1823.631954] Call Trace: [ 1823.634544] dump_stack+0xb9/0x11b [ 1823.638090] warn_alloc.cold.35+0x9d/0x1b7 [ 1823.642326] ? zone_watermark_ok_safe+0x240/0x240 [ 1823.647181] ? usleep_range+0x130/0x130 [ 1823.651197] __alloc_pages_nodemask+0x1425/0x2280 [ 1823.656058] ? finish_task_switch+0x1e6/0x610 [ 1823.660559] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1823.665401] ? __lock_acquire+0x619/0x4320 [ 1823.669629] ? finish_task_switch+0x1bd/0x610 [ 1823.674128] ? __lock_acquire+0x619/0x4320 [ 1823.678363] ? _raw_spin_unlock_irq+0x35/0x50 [ 1823.682854] ? finish_task_switch+0x1e6/0x610 [ 1823.687380] ? new_slab+0x358/0x470 [ 1823.691007] new_slab+0x3c0/0x470 [ 1823.694505] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1823.699518] ? getname_flags+0xc4/0x540 [ 1823.703531] ? fs_reclaim_acquire+0x10/0x10 [ 1823.707856] ? check_preemption_disabled+0x34/0x1e0 [ 1823.712866] ? getname_flags+0xc4/0x540 [ 1823.716835] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1823.722300] ? getname_flags+0xc4/0x540 [ 1823.726271] kmem_cache_alloc+0x19e/0x2b0 [ 1823.730461] getname_flags+0xc4/0x540 [ 1823.734275] do_sys_open+0x1ea/0x580 [ 1823.737994] ? filp_open+0x60/0x60 [ 1823.741538] ? SyS_nanosleep+0x138/0x190 [ 1823.745606] ? hrtimer_nanosleep+0x470/0x470 [ 1823.750014] ? do_syscall_64+0x43/0x4b0 [ 1823.753982] ? do_sys_open+0x580/0x580 [ 1823.757865] do_syscall_64+0x19b/0x4b0 [ 1823.761757] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1823.766950] RIP: 0033:0x455680 [ 1823.770134] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1823.777851] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1823.785113] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1823.792375] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1823.799637] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1823.806894] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1823.826655] 0 pages in swap cache [ 1823.830204] Swap cache stats: add 0, delete 0, find 0/0 [ 1823.835559] Free swap = 0kB [ 1823.838565] Total swap = 0kB [ 1823.883729] Total swap = 0kB [ 1823.886789] 1965979 pages RAM [ 1823.889882] 0 pages HighMem/MovableOnly [ 1823.923471] warn_alloc_show_mem: 1 callbacks suppressed [ 1823.923475] Mem-Info: [ 1823.976327] 1965979 pages RAM [ 1823.979429] 0 pages HighMem/MovableOnly [ 1824.025139] [29620] 0 29620 17618 8238 25 4 0 1000 syz-executor1 [ 1824.055082] 315641 pages reserved [ 1824.126398] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1824.126398] active_file:29 inactive_file:83 isolated_file:0 [ 1824.126398] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1824.126398] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1824.126398] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1824.126398] free:4408 free_pcp:0 free_cma:0 [ 1824.177116] 315641 pages reserved [ 1824.297777] [29637] 0 29637 17618 8233 25 4 0 1000 syz-executor1 [ 1824.382416] modprobe: page allocation stalls for 206220ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1824.544261] [29643] 0 29643 17618 12677 31 3 0 1000 syz-executor5 [ 1824.659558] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1824.666055] Call Trace: [ 1824.668667] dump_stack+0xb9/0x11b [ 1824.672231] warn_alloc.cold.35+0x9d/0x1b7 [ 1824.676640] ? zone_watermark_ok_safe+0x240/0x240 [ 1824.681484] ? usleep_range+0x130/0x130 [ 1824.685534] __alloc_pages_nodemask+0x1425/0x2280 [ 1824.690392] ? __kernel_text_address+0x9/0x30 [ 1824.694886] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1824.699735] ? __lock_acquire+0x619/0x4320 [ 1824.703967] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1824.708481] ? kmemdup+0x20/0x50 [ 1824.711899] ? selinux_cred_prepare+0x3e/0x90 [ 1824.716425] ? new_slab+0x358/0x470 [ 1824.720055] new_slab+0x3c0/0x470 [ 1824.723535] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1824.728551] ? getname_flags+0xc4/0x540 [ 1824.732543] ? fs_reclaim_acquire+0x10/0x10 [ 1824.736865] ? check_preemption_disabled+0x34/0x1e0 [ 1824.741875] ? getname_flags+0xc4/0x540 [ 1824.745837] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1824.751289] ? getname_flags+0xc4/0x540 [ 1824.755253] kmem_cache_alloc+0x19e/0x2b0 [ 1824.759398] getname_flags+0xc4/0x540 [ 1824.763199] user_path_at_empty+0x28/0x80 [ 1824.767342] SyS_faccessat+0x20d/0x660 [ 1824.771230] ? SyS_fallocate+0x80/0x80 [ 1824.775113] ? do_syscall_64+0x43/0x4b0 [ 1824.779078] ? SyS_faccessat+0x660/0x660 [ 1824.783151] do_syscall_64+0x19b/0x4b0 [ 1824.787040] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1824.792219] RIP: 0033:0x7fd4ad02d267 [ 1824.795921] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1824.803646] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1824.811368] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1824.818655] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1824.825910] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1824.833167] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1824.965725] [29691] 0 29691 17585 8189 23 3 0 1000 syz-executor3 [ 1825.181905] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1825.226210] [29692] 0 29692 17585 8198 24 3 0 1000 syz-executor3 [ 1825.454689] warn_alloc_show_mem: 2 callbacks suppressed [ 1825.454693] Mem-Info: [ 1825.465084] [29711] 0 29711 17618 12677 31 3 0 1000 syz-executor5 [ 1825.609094] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1825.609094] active_file:29 inactive_file:83 isolated_file:0 [ 1825.609094] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1825.609094] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1825.609094] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1825.609094] free:4408 free_pcp:0 free_cma:0 [ 1825.752118] [29730] 0 29730 17618 8233 25 4 0 1000 syz-executor1 [ 1825.859152] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1826.031530] [29741] 0 29741 17618 8233 25 4 0 1000 syz-executor1 [ 1826.295468] [29754] 0 29754 17618 8233 25 4 0 1000 syz-executor1 [ 1826.562480] [29764] 0 29764 17618 8233 25 4 0 1000 syz-executor1 [ 1826.590116] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1826.623379] cron: page allocation stalls for 170140ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1826.715913] lowmem_reserve[]: 0 3505 3505 [ 1826.836996] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1826.886899] [29772] 0 29772 17618 12677 31 3 0 1000 syz-executor5 [ 1826.980131] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1826.986276] Call Trace: [ 1826.988870] dump_stack+0xb9/0x11b [ 1826.992409] warn_alloc.cold.35+0x9d/0x1b7 [ 1826.996640] ? zone_watermark_ok_safe+0x240/0x240 [ 1827.001504] ? usleep_range+0x130/0x130 [ 1827.005495] ? do_try_to_free_pages+0xde0/0xde0 [ 1827.010205] __alloc_pages_nodemask+0x1425/0x2280 [ 1827.015061] ? check_preemption_disabled+0x34/0x1e0 [ 1827.020109] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1827.024962] ? find_get_entry+0x118/0x550 [ 1827.029128] ? check_preemption_disabled+0x34/0x1e0 [ 1827.034136] ? check_preemption_disabled+0x34/0x1e0 [ 1827.039185] ? find_get_entry+0x13f/0x550 [ 1827.043335] ? pagecache_get_page+0x129/0x770 [ 1827.047830] filemap_fault+0xcdd/0x14a0 [ 1827.051821] ext4_filemap_fault+0x7d/0xb0 [ 1827.055962] __do_fault+0x80/0x210 [ 1827.059506] __handle_mm_fault+0x991/0x25f0 [ 1827.063830] ? vm_insert_page+0x6d0/0x6d0 [ 1827.068081] ? HARDIRQ_verbose+0x10/0x10 [ 1827.072135] ? HARDIRQ_verbose+0x10/0x10 [ 1827.076218] ? free_object+0xe4/0x240 [ 1827.080051] ? check_preemption_disabled+0x34/0x1e0 [ 1827.085069] handle_mm_fault+0x2f2/0x6eb [ 1827.089176] __do_page_fault+0x45d/0xb60 [ 1827.093233] ? retint_user+0x18/0x18 [ 1827.096943] ? bad_area_access_error+0x330/0x330 [ 1827.101695] ? page_fault+0x2c/0x50 [ 1827.105313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1827.110178] ? page_fault+0x2c/0x50 [ 1827.113803] page_fault+0x42/0x50 [ 1827.117245] RIP: 60882280: (null) [ 1827.121467] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1827.286778] [29795] 0 29795 17618 8233 25 4 0 1000 syz-executor1 [ 1827.438475] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1827.685614] [29824] 0 29824 17651 8235 25 4 0 1000 syz-executor1 [ 1827.698730] lowmem_reserve[]: 0 0 0 [ 1827.702590] warn_alloc_show_mem: 3 callbacks suppressed [ 1827.702593] Mem-Info: [ 1827.719116] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1827.740871] [29836] 0 29836 17618 12677 31 3 0 1000 syz-executor5 [ 1827.754436] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1827.754436] active_file:29 inactive_file:83 isolated_file:0 [ 1827.754436] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1827.754436] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1827.754436] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1827.754436] free:4408 free_pcp:0 free_cma:0 [ 1827.972399] [29850] 0 29850 17618 8233 25 4 0 1000 syz-executor1 [ 1827.986116] lowmem_reserve[]: 0 3505 3505 [ 1828.023905] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1828.120115] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:124kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1828.250100] syz-fuzzer: page allocation stalls for 170030ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1828.267355] syz-fuzzer: page allocation stalls for 170050ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1828.279651] modprobe: page allocation stalls for 210020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1828.300066] rs:main Q:Reg: page allocation stalls for 170060ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1828.316241] modprobe: page allocation stalls for 210020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1828.329983] syz-executor2: page allocation stalls for 210050ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1828.341782] modprobe: page allocation stalls for 210090ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1828.353058] syz-executor0: page allocation stalls for 210090ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1828.369858] [29889] 0 29889 17618 8234 25 4 0 1000 syz-executor1 [ 1828.397409] modprobe: page allocation stalls for 210120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1828.467594] 10506 total pagecache pages [ 1828.471695] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1828.478611] Call Trace: [ 1828.481196] dump_stack+0xb9/0x11b [ 1828.484738] warn_alloc.cold.35+0x9d/0x1b7 [ 1828.488981] ? zone_watermark_ok_safe+0x240/0x240 [ 1828.493892] __alloc_pages_nodemask+0x1425/0x2280 [ 1828.498763] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1828.503685] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1828.508539] ? perf_trace_lock+0x11a/0x4c0 [ 1828.512768] ? check_preemption_disabled+0x34/0x1e0 [ 1828.517817] ? rcu_read_lock_sched_held+0x102/0x120 [ 1828.522865] copy_process.part.6+0x267/0x6530 [ 1828.527378] ? __handle_mm_fault+0xdab/0x25f0 [ 1828.531885] ? lock_downgrade+0x560/0x560 [ 1828.536105] ? check_preemption_disabled+0x34/0x1e0 [ 1828.541168] ? perf_trace_lock+0x11a/0x4c0 [ 1828.545412] ? __cleanup_sighand+0x40/0x40 [ 1828.549642] ? vm_insert_page+0x6d0/0x6d0 [ 1828.553785] ? HARDIRQ_verbose+0x10/0x10 [ 1828.557859] _do_fork+0x1c2/0xd50 [ 1828.561314] ? fork_idle+0x250/0x250 [ 1828.565035] ? up_read+0x17/0x30 [ 1828.568392] ? __do_page_fault+0x64c/0xb60 [ 1828.572628] ? do_syscall_64+0x43/0x4b0 [ 1828.576602] ? sys_vfork+0x20/0x20 [ 1828.580160] do_syscall_64+0x19b/0x4b0 [ 1828.584053] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1828.589302] RIP: 0033:0x45a049 [ 1828.592480] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1828.600189] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1828.607454] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1828.614718] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1828.621979] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1828.629239] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1828.698336] 0 pages in swap cache [ 1828.711969] [29899] 0 29899 17618 12677 31 3 0 1000 syz-executor5 [ 1828.733211] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1828.739703] Call Trace: [ 1828.742294] dump_stack+0xb9/0x11b [ 1828.745843] warn_alloc.cold.35+0x9d/0x1b7 [ 1828.750078] ? zone_watermark_ok_safe+0x240/0x240 [ 1828.754922] ? usleep_range+0x130/0x130 [ 1828.758940] __alloc_pages_nodemask+0x1425/0x2280 [ 1828.763808] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1828.768658] ? __lock_acquire+0x619/0x4320 [ 1828.772887] ? __lock_acquire+0x619/0x4320 [ 1828.777131] ? __lock_acquire+0x619/0x4320 [ 1828.781385] ? new_slab+0x358/0x470 [ 1828.785042] new_slab+0x3c0/0x470 [ 1828.788511] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1828.793526] ? getname_flags+0xc4/0x540 [ 1828.797518] ? fs_reclaim_acquire+0x10/0x10 [ 1828.801848] ? check_preemption_disabled+0x34/0x1e0 [ 1828.806858] ? getname_flags+0xc4/0x540 [ 1828.811431] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1828.816905] ? getname_flags+0xc4/0x540 [ 1828.820896] kmem_cache_alloc+0x19e/0x2b0 [ 1828.825062] getname_flags+0xc4/0x540 [ 1828.828866] user_path_at_empty+0x28/0x80 [ 1828.833027] vfs_statx+0xe1/0x180 [ 1828.836498] ? vfs_statx_fd+0x90/0x90 [ 1828.840314] ? __might_fault+0x104/0x1b0 [ 1828.844374] ? lock_downgrade+0x560/0x560 [ 1828.848515] ? lock_acquire+0x10f/0x380 [ 1828.852480] ? __might_fault+0xd4/0x1b0 [ 1828.856459] SyS_newfstatat+0x89/0x100 [ 1828.860351] ? SyS_newlstat+0xf0/0xf0 [ 1828.864143] ? __might_fault+0x177/0x1b0 [ 1828.868194] ? SyS_getdents+0x1d0/0x270 [ 1828.872172] ? SyS_old_readdir+0x150/0x150 [ 1828.876400] ? compat_fillonedir+0x260/0x260 [ 1828.880807] ? do_syscall_64+0x43/0x4b0 [ 1828.884773] ? SyS_newlstat+0xf0/0xf0 [ 1828.888563] do_syscall_64+0x19b/0x4b0 [ 1828.892450] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1828.897639] RIP: 0033:0x7f7afb061e1a [ 1828.901335] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1828.909034] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1828.916294] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1828.923570] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1828.930848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1828.938115] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1828.952685] CPU: 1 PID: 9334 Comm: modprobe Not tainted 4.14.87+ #21 [ 1828.959179] Call Trace: [ 1828.961762] dump_stack+0xb9/0x11b [ 1828.965309] warn_alloc.cold.35+0x9d/0x1b7 [ 1828.969540] ? zone_watermark_ok_safe+0x240/0x240 [ 1828.974378] ? usleep_range+0x130/0x130 [ 1828.978392] __alloc_pages_nodemask+0x1425/0x2280 [ 1828.983263] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1828.988153] ? __lock_acquire+0x619/0x4320 [ 1828.992384] ? __lock_acquire+0x619/0x4320 [ 1828.996627] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1829.001743] ? perf_trace_lock+0x11a/0x4c0 [ 1829.005999] ? new_slab+0x358/0x470 [ 1829.009628] new_slab+0x3c0/0x470 [ 1829.013091] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1829.018107] ? perf_event_mmap+0x447/0xc30 [ 1829.022348] ? fs_reclaim_acquire+0x10/0x10 [ 1829.026671] ? check_preemption_disabled+0x34/0x1e0 [ 1829.031684] ? perf_event_mmap+0x447/0xc30 [ 1829.035914] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1829.041363] kmem_cache_alloc_trace+0x1c6/0x300 [ 1829.046023] ? perf_event_mmap+0x447/0xc30 [ 1829.050259] perf_event_mmap+0x447/0xc30 [ 1829.054327] ? perf_event_namespaces+0x30/0x30 [ 1829.058922] ? prot_none_test+0x10/0x10 [ 1829.062890] ? SyS_mmap_pgoff+0x1a0/0x1a0 [ 1829.067066] mprotect_fixup+0x3b2/0x800 [ 1829.071059] ? change_protection+0x50/0x50 [ 1829.075312] ? file_map_prot_check+0x193/0x2c0 [ 1829.079896] ? selinux_file_mprotect+0xf6/0x5c0 [ 1829.084570] ? SyS_mprotect+0x16f/0x610 [ 1829.088552] SyS_mprotect+0x30a/0x610 [ 1829.092357] ? mprotect_fixup+0x800/0x800 [ 1829.096526] ? do_syscall_64+0x43/0x4b0 [ 1829.100503] ? mprotect_fixup+0x800/0x800 [ 1829.104648] do_syscall_64+0x19b/0x4b0 [ 1829.108569] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1829.113761] RIP: 0033:0x7fbdfdf45447 [ 1829.117474] RSP: 002b:00007ffda38dca18 EFLAGS: 00000206 ORIG_RAX: 000000000000000a [ 1829.125181] RAX: ffffffffffffffda RBX: 00007fbdfe14d9a8 RCX: 00007fbdfdf45447 [ 1829.132445] RDX: 0000000000000001 RSI: 0000000000004000 RDI: 00007fbdfdd0f000 [ 1829.139709] RBP: 00007ffda38dcb10 R08: 000000000000003f R09: 0000000000000001 [ 1829.146986] R10: 00007fbdfd9aaaf0 R11: 0000000000000206 R12: 00007fbdfd98c000 [ 1829.154245] R13: 00007fbdfdd13020 R14: 00007fbdfd9aaaf0 R15: 00007fbdfdd13d98 [ 1829.162702] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1829.169211] Call Trace: [ 1829.171798] dump_stack+0xb9/0x11b [ 1829.175345] warn_alloc.cold.35+0x9d/0x1b7 [ 1829.179577] ? zone_watermark_ok_safe+0x240/0x240 [ 1829.184419] ? usleep_range+0x130/0x130 [ 1829.188430] __alloc_pages_nodemask+0x1425/0x2280 [ 1829.193304] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1829.198154] ? __lock_acquire+0x619/0x4320 [ 1829.202385] ? __lock_acquire+0x619/0x4320 [ 1829.206626] ? __lock_acquire+0x619/0x4320 [ 1829.210873] ? new_slab+0x358/0x470 [ 1829.214510] new_slab+0x3c0/0x470 [ 1829.217970] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1829.222984] ? getname_flags+0xc4/0x540 [ 1829.227050] ? fs_reclaim_acquire+0x10/0x10 [ 1829.231375] ? check_preemption_disabled+0x34/0x1e0 [ 1829.236390] ? getname_flags+0xc4/0x540 [ 1829.240362] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1829.245808] ? getname_flags+0xc4/0x540 [ 1829.249782] kmem_cache_alloc+0x19e/0x2b0 [ 1829.253936] getname_flags+0xc4/0x540 [ 1829.257744] user_path_at_empty+0x28/0x80 [ 1829.261891] vfs_statx+0xe1/0x180 [ 1829.265348] ? vfs_statx_fd+0x90/0x90 [ 1829.269142] ? __might_fault+0x104/0x1b0 [ 1829.273199] ? lock_downgrade+0x560/0x560 [ 1829.277339] ? lock_acquire+0x10f/0x380 [ 1829.281326] ? __might_fault+0xd4/0x1b0 [ 1829.285307] SyS_newfstatat+0x89/0x100 [ 1829.289188] ? SyS_newlstat+0xf0/0xf0 [ 1829.293025] ? __might_fault+0x177/0x1b0 [ 1829.297084] ? SyS_getdents+0x1d0/0x270 [ 1829.301061] ? SyS_old_readdir+0x150/0x150 [ 1829.305294] ? compat_fillonedir+0x260/0x260 [ 1829.309712] ? do_syscall_64+0x43/0x4b0 [ 1829.313686] ? SyS_newlstat+0xf0/0xf0 [ 1829.317507] do_syscall_64+0x19b/0x4b0 [ 1829.321403] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1829.326585] RIP: 0033:0x7fe72a00be1a [ 1829.330293] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1829.337996] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1829.345257] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1829.352521] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1829.359780] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1829.367044] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1829.381911] CPU: 1 PID: 1786 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1829.388595] Call Trace: [ 1829.391181] dump_stack+0xb9/0x11b [ 1829.394725] warn_alloc.cold.35+0x9d/0x1b7 [ 1829.398956] ? zone_watermark_ok_safe+0x240/0x240 [ 1829.403793] ? usleep_range+0x130/0x130 [ 1829.407789] ? do_try_to_free_pages+0xde0/0xde0 [ 1829.412484] __alloc_pages_nodemask+0x1425/0x2280 [ 1829.417371] ? check_preemption_disabled+0x34/0x1e0 [ 1829.422389] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1829.427228] ? find_get_entry+0x118/0x550 [ 1829.431381] ? check_preemption_disabled+0x34/0x1e0 [ 1829.436428] ? check_preemption_disabled+0x34/0x1e0 [ 1829.441446] ? find_get_entry+0x13f/0x550 [ 1829.445599] ? pagecache_get_page+0x129/0x770 [ 1829.450105] filemap_fault+0xcdd/0x14a0 [ 1829.454118] ext4_filemap_fault+0x7d/0xb0 [ 1829.458264] __do_fault+0x80/0x210 [ 1829.461834] __handle_mm_fault+0x991/0x25f0 [ 1829.466162] ? vm_insert_page+0x6d0/0x6d0 [ 1829.470307] ? HARDIRQ_verbose+0x10/0x10 [ 1829.474361] ? HARDIRQ_verbose+0x10/0x10 [ 1829.478419] ? SyS_futex+0x249/0x2b5 [ 1829.482170] ? check_preemption_disabled+0x34/0x1e0 [ 1829.487189] handle_mm_fault+0x2f2/0x6eb [ 1829.491252] __do_page_fault+0x45d/0xb60 [ 1829.495320] ? retint_user+0x18/0x18 [ 1829.499031] ? bad_area_access_error+0x330/0x330 [ 1829.503785] ? page_fault+0x2c/0x50 [ 1829.507405] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1829.512289] ? page_fault+0x2c/0x50 [ 1829.515928] page_fault+0x42/0x50 [ 1829.519370] RIP: 0020:0x13 [ 1829.522203] RSP: 0000:000000c420037e20 EFLAGS: 00000001 [ 1829.523369] CPU: 1 PID: 1844 Comm: syz-executor2 Not tainted 4.14.87+ #21 [ 1829.535631] Call Trace: [ 1829.538216] dump_stack+0xb9/0x11b [ 1829.541760] warn_alloc.cold.35+0x9d/0x1b7 [ 1829.545992] ? zone_watermark_ok_safe+0x240/0x240 [ 1829.550830] ? usleep_range+0x130/0x130 [ 1829.554862] __alloc_pages_nodemask+0x1425/0x2280 [ 1829.559723] ? debug_check_no_obj_freed+0x150/0x77c [ 1829.564740] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1829.569578] ? __lock_acquire+0x619/0x4320 [ 1829.573817] ? __lock_acquire+0x619/0x4320 [ 1829.578042] ? lock_acquire+0x10f/0x380 [ 1829.582010] ? avc_has_perm+0x9e/0x390 [ 1829.585932] ? new_slab+0x358/0x470 [ 1829.589578] new_slab+0x3c0/0x470 [ 1829.593055] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1829.598064] ? __might_fault+0x104/0x1b0 [ 1829.602134] ? getname_flags+0xc4/0x540 [ 1829.606117] ? fs_reclaim_acquire+0x10/0x10 [ 1829.610442] ? check_preemption_disabled+0x34/0x1e0 [ 1829.615458] ? getname_flags+0xc4/0x540 [ 1829.619437] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1829.625240] ? getname_flags+0xc4/0x540 [ 1829.629209] kmem_cache_alloc+0x19e/0x2b0 [ 1829.633358] getname_flags+0xc4/0x540 [ 1829.637170] ? SyS_unlinkat+0x70/0x70 [ 1829.640978] do_unlinkat+0xc9/0x650 [ 1829.644607] ? do_rmdir+0x3a0/0x3a0 [ 1829.648236] ? SyS_newlstat+0x92/0xf0 [ 1829.652032] ? SyS_newstat+0xf0/0xf0 [ 1829.655769] ? do_syscall_64+0x43/0x4b0 [ 1829.659740] ? SyS_unlinkat+0x70/0x70 [ 1829.663536] do_syscall_64+0x19b/0x4b0 [ 1829.667450] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1829.672634] RIP: 0033:0x4573c7 [ 1829.675820] RSP: 002b:00007ffd933fddc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 1829.683530] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004573c7 [ 1829.690792] RDX: 00007ffd933fdde0 RSI: 00007ffd933fdde0 RDI: 00007ffd933fde70 [ 1829.698078] RBP: 00000000000014b5 R08: 0000000000000000 R09: 000000000000000d [ 1829.705339] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffd933fef00 [ 1829.712599] R13: 000000000149d940 R14: 0000000000000000 R15: 0000000000000002 [ 1829.721078] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1829.727745] Call Trace: [ 1829.730334] dump_stack+0xb9/0x11b [ 1829.733893] warn_alloc.cold.35+0x9d/0x1b7 [ 1829.738124] ? zone_watermark_ok_safe+0x240/0x240 [ 1829.742962] ? usleep_range+0x130/0x130 [ 1829.746942] ? do_try_to_free_pages+0xde0/0xde0 [ 1829.751631] __alloc_pages_nodemask+0x1425/0x2280 [ 1829.756501] ? check_preemption_disabled+0x34/0x1e0 [ 1829.761559] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1829.766398] ? find_get_entry+0x118/0x550 [ 1829.770581] ? check_preemption_disabled+0x34/0x1e0 [ 1829.775611] ? check_preemption_disabled+0x34/0x1e0 [ 1829.780640] ? find_get_entry+0x13f/0x550 [ 1829.784798] ? pagecache_get_page+0x129/0x770 [ 1829.789308] filemap_fault+0xcdd/0x14a0 [ 1829.793326] ext4_filemap_fault+0x7d/0xb0 [ 1829.797473] __do_fault+0x80/0x210 [ 1829.801019] __handle_mm_fault+0x991/0x25f0 [ 1829.805341] ? vm_insert_page+0x6d0/0x6d0 [ 1829.809980] ? HARDIRQ_verbose+0x10/0x10 [ 1829.814029] ? HARDIRQ_verbose+0x10/0x10 [ 1829.818084] ? SyS_futex+0x249/0x2b5 [ 1829.821841] ? check_preemption_disabled+0x34/0x1e0 [ 1829.826862] handle_mm_fault+0x2f2/0x6eb [ 1829.830931] __do_page_fault+0x45d/0xb60 [ 1829.835007] ? retint_user+0x18/0x18 [ 1829.838715] ? bad_area_access_error+0x330/0x330 [ 1829.843483] ? page_fault+0x2c/0x50 [ 1829.847128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1829.851969] ? page_fault+0x2c/0x50 [ 1829.855594] page_fault+0x42/0x50 [ 1829.859042] RIP: 0020:0x13 [ 1829.861889] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1829.882557] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1829.894849] Call Trace: [ 1829.897447] dump_stack+0xb9/0x11b [ 1829.900986] warn_alloc.cold.35+0x9d/0x1b7 [ 1829.905215] ? zone_watermark_ok_safe+0x240/0x240 [ 1829.910052] ? usleep_range+0x130/0x130 [ 1829.914064] ? do_try_to_free_pages+0xde0/0xde0 [ 1829.918760] __alloc_pages_nodemask+0x1425/0x2280 [ 1829.923625] ? check_preemption_disabled+0x34/0x1e0 [ 1829.928645] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1829.933488] ? find_get_entry+0x118/0x550 [ 1829.937645] ? check_preemption_disabled+0x34/0x1e0 [ 1829.942656] ? check_preemption_disabled+0x34/0x1e0 [ 1829.947677] ? find_get_entry+0x13f/0x550 [ 1829.951831] ? pagecache_get_page+0x129/0x770 [ 1829.956329] filemap_fault+0xcdd/0x14a0 [ 1829.960334] ext4_filemap_fault+0x7d/0xb0 [ 1829.964477] __do_fault+0x80/0x210 [ 1829.968021] __handle_mm_fault+0x991/0x25f0 [ 1829.972350] ? vm_insert_page+0x6d0/0x6d0 [ 1829.976499] ? HARDIRQ_verbose+0x10/0x10 [ 1829.980555] ? HARDIRQ_verbose+0x10/0x10 [ 1829.984643] ? check_preemption_disabled+0x34/0x1e0 [ 1829.989664] handle_mm_fault+0x2f2/0x6eb [ 1829.993725] __do_page_fault+0x45d/0xb60 [ 1829.997791] ? retint_user+0x18/0x18 [ 1830.001510] ? bad_area_access_error+0x330/0x330 [ 1830.006299] ? page_fault+0x2c/0x50 [ 1830.009933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1830.014791] ? page_fault+0x2c/0x50 [ 1830.018430] page_fault+0x42/0x50 [ 1830.021887] RIP: 0000:0x5 [ 1830.024633] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1830.033031] Swap cache stats: add 0, delete 0, find 0/0 [ 1830.050104] CPU: 1 PID: 9331 Comm: modprobe Not tainted 4.14.87+ #21 [ 1830.056625] Call Trace: [ 1830.059210] dump_stack+0xb9/0x11b [ 1830.062752] warn_alloc.cold.35+0x9d/0x1b7 [ 1830.066994] ? zone_watermark_ok_safe+0x240/0x240 [ 1830.071831] ? usleep_range+0x130/0x130 [ 1830.075844] __alloc_pages_nodemask+0x1425/0x2280 [ 1830.080704] ? get_page_from_freelist+0x756/0x1ea0 [ 1830.085634] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1830.090479] ? __lock_acquire+0x619/0x4320 [ 1830.094739] ? check_preemption_disabled+0x34/0x1e0 [ 1830.099794] ? new_slab+0x358/0x470 [ 1830.103422] new_slab+0x3c0/0x470 [ 1830.106880] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1830.111906] ? getname_flags+0xc4/0x540 [ 1830.115900] ? fs_reclaim_acquire+0x10/0x10 [ 1830.120221] ? check_preemption_disabled+0x34/0x1e0 [ 1830.125230] ? getname_flags+0xc4/0x540 [ 1830.129201] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1830.134642] ? getname_flags+0xc4/0x540 [ 1830.138605] kmem_cache_alloc+0x19e/0x2b0 [ 1830.142752] getname_flags+0xc4/0x540 [ 1830.146559] user_path_at_empty+0x28/0x80 [ 1830.150706] vfs_statx+0xe1/0x180 [ 1830.154158] ? vfs_statx_fd+0x90/0x90 [ 1830.157969] SyS_newstat+0x81/0xf0 [ 1830.161509] ? SyS_fstat+0xe0/0xe0 [ 1830.165053] ? up_read+0x17/0x30 [ 1830.168413] ? __do_page_fault+0x64c/0xb60 [ 1830.172669] ? do_syscall_64+0x43/0x4b0 [ 1830.176655] ? SyS_fstat+0xe0/0xe0 [ 1830.180190] do_syscall_64+0x19b/0x4b0 [ 1830.184082] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1830.189263] RIP: 0033:0x7f5cb3133c65 [ 1830.192969] RSP: 002b:00007fff1bd14d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1830.200672] RAX: ffffffffffffffda RBX: 00007f5cb33ff471 RCX: 00007f5cb3133c65 [ 1830.207932] RDX: 00007fff1bd14e70 RSI: 00007fff1bd14e70 RDI: 00007f5cb33ff471 [ 1830.215189] RBP: 00007f5cb36042e8 R08: 2b37382e34312e34 R09: 00007fff1bd15ec2 [ 1830.222452] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1830.229712] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1830.326531] [29915] 0 29915 17618 8233 25 4 0 1000 syz-executor1 [ 1830.341701] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1830.421783] Free swap = 0kB [ 1830.424810] Total swap = 0kB [ 1830.427844] 1965979 pages RAM [ 1830.437987] lowmem_reserve[]: 0 0 0 [ 1830.503952] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1830.532231] [29947] 0 29947 17651 8234 25 4 0 1000 syz-executor1 [ 1830.598962] Mem-Info: [ 1830.601540] 0 pages HighMem/MovableOnly [ 1830.605520] 315641 pages reserved [ 1830.644673] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1830.644673] active_file:29 inactive_file:83 isolated_file:0 [ 1830.644673] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1830.644673] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1830.644673] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1830.644673] free:4408 free_pcp:0 free_cma:0 [ 1830.737255] [29954] 0 29954 17652 8236 26 4 0 1000 syz-executor2 [ 1830.797368] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1830.848197] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1830.949390] [29962] 0 29962 17651 8243 25 4 0 1000 syz-executor1 [ 1831.065456] 10506 total pagecache pages [ 1831.069458] 0 pages in swap cache [ 1831.123842] [29967] 0 29967 17618 12677 31 3 0 1000 syz-executor5 [ 1831.208727] Swap cache stats: add 0, delete 0, find 0/0 [ 1831.296971] [30012] 0 30012 17618 8233 25 4 0 1000 syz-executor1 [ 1831.318828] Free swap = 0kB [ 1831.345237] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 1831.397600] Total swap = 0kB [ 1831.428203] lowmem_reserve[]: 0 3505 3505 [ 1831.462310] 1965979 pages RAM [ 1831.465450] 0 pages HighMem/MovableOnly [ 1831.469412] 315641 pages reserved [ 1831.528680] [30024] 0 30024 17618 8233 25 4 0 1000 syz-executor1 [ 1831.539138] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1831.756606] [30050] 0 30050 17618 12677 31 3 0 1000 syz-executor5 [ 1831.824978] warn_alloc: 15 callbacks suppressed [ 1831.824982] syz-executor3: page allocation stalls for 213560ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1831.887085] warn_alloc_show_mem: 2 callbacks suppressed [ 1831.887089] Mem-Info: [ 1831.915920] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1832.006930] [30110] 0 30110 17618 12677 31 3 0 1000 syz-executor5 [ 1832.032904] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1832.032904] active_file:29 inactive_file:83 isolated_file:0 [ 1832.032904] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1832.032904] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1832.032904] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1832.032904] free:4408 free_pcp:0 free_cma:0 [ 1832.231875] [30113] 0 30113 17684 8241 27 4 0 1000 syz-executor2 [ 1832.245584] CPU: 1 PID: 1848 Comm: syz-executor3 Not tainted 4.14.87+ #21 [ 1832.252519] Call Trace: [ 1832.255136] dump_stack+0xb9/0x11b [ 1832.258709] warn_alloc.cold.35+0x9d/0x1b7 [ 1832.262939] ? zone_watermark_ok_safe+0x240/0x240 [ 1832.267776] ? usleep_range+0x130/0x130 [ 1832.271795] __alloc_pages_nodemask+0x1425/0x2280 [ 1832.276660] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1832.281546] ? __lock_acquire+0x619/0x4320 [ 1832.285778] ? kasan_slab_free+0xac/0x190 [ 1832.289933] ? kmem_cache_free+0x12d/0x350 [ 1832.294158] ? putname+0xcf/0x100 [ 1832.297599] ? do_rmdir+0x161/0x3a0 [ 1832.301219] ? do_syscall_64+0x19b/0x4b0 [ 1832.305318] ? new_slab+0x358/0x470 [ 1832.308947] new_slab+0x3c0/0x470 [ 1832.312405] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1832.317421] ? getname_flags+0xc4/0x540 [ 1832.321414] ? fs_reclaim_acquire+0x10/0x10 [ 1832.325783] ? check_preemption_disabled+0x34/0x1e0 [ 1832.330789] ? getname_flags+0xc4/0x540 [ 1832.334774] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1832.340235] ? getname_flags+0xc4/0x540 [ 1832.344219] kmem_cache_alloc+0x19e/0x2b0 [ 1832.348370] getname_flags+0xc4/0x540 [ 1832.352164] ? task_work_run+0x6a/0x190 [ 1832.356147] SyS_mkdirat+0x8d/0x220 [ 1832.359767] ? trace_hardirqs_on_caller+0x381/0x520 [ 1832.364794] ? SyS_mknod+0x30/0x30 [ 1832.368335] ? do_syscall_64+0x43/0x4b0 [ 1832.372305] ? SyS_mkdirat+0x220/0x220 [ 1832.376203] do_syscall_64+0x19b/0x4b0 [ 1832.380095] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1832.385537] RIP: 0033:0x456a97 [ 1832.388715] RSP: 002b:00007ffd4d0430e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 1832.396430] RAX: ffffffffffffffda RBX: 000000000018ade1 RCX: 0000000000456a97 [ 1832.403688] RDX: 00007ffd4d043136 RSI: 00000000000001ff RDI: 00007ffd4d043130 [ 1832.410948] RBP: 0000000000001304 R08: 0000000000000000 R09: 0000000000000006 [ 1832.418209] R10: 0000000000000064 R11: 0000000000000206 R12: 000000000000000d [ 1832.425472] R13: 000000000018ac50 R14: 00000000000004e2 R15: 0000000000000003 [ 1832.442136] lowmem_reserve[]: 0 0 0 [ 1832.445802] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1832.629570] [30131] 0 30131 17618 12677 31 3 0 1000 syz-executor5 [ 1832.775394] lowmem_reserve[]: 0 3505 3505 [ 1832.779592] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1832.842750] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1832.887090] [30145] 0 30145 17618 8234 25 4 0 1000 syz-executor1 [ 1832.933245] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1832.976084] [30162] 0 30162 17585 8233 26 4 0 1000 syz-executor2 [ 1832.998629] 10506 total pagecache pages [ 1833.015551] 0 pages in swap cache [ 1833.019054] Swap cache stats: add 0, delete 0, find 0/0 [ 1833.041689] [30173] 0 30173 17618 8234 25 4 0 1000 syz-executor1 [ 1833.071413] Free swap = 0kB [ 1833.074430] Total swap = 0kB [ 1833.077437] 1965979 pages RAM [ 1833.106955] Mem-Info: [ 1833.109374] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1833.109374] active_file:29 inactive_file:83 isolated_file:0 [ 1833.109374] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1833.109374] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1833.109374] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1833.109374] free:4408 free_pcp:0 free_cma:0 [ 1833.259480] [30174] 0 30174 17585 8233 26 4 0 1000 syz-executor2 [ 1833.271931] syz-executor4: page allocation failure: order:0, mode:0x1080020(GFP_ATOMIC), nodemask=(null) [ 1833.281580] CPU: 1 PID: 24156 Comm: syz-executor4 Not tainted 4.14.87+ #21 [ 1833.288587] Call Trace: [ 1833.291171] dump_stack+0xb9/0x11b [ 1833.294709] warn_alloc.cold.35+0x9d/0x1b7 [ 1833.298981] ? zone_watermark_ok_safe+0x240/0x240 [ 1833.303833] ? __lock_acquire+0x619/0x4320 [ 1833.308091] __alloc_pages_nodemask+0x19f4/0x2280 [ 1833.313003] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1833.317842] ? perf_trace_lock+0x11a/0x4c0 [ 1833.322085] ? trace_hardirqs_on+0x10/0x10 [ 1833.326370] ? HARDIRQ_verbose+0x10/0x10 [ 1833.330444] ? check_preemption_disabled+0x34/0x1e0 [ 1833.335463] new_slab+0x3c0/0x470 [ 1833.338942] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1833.343986] ? __sigqueue_alloc+0x1d9/0x400 [ 1833.348305] ? check_preemption_disabled+0x34/0x1e0 [ 1833.353336] ? check_preemption_disabled+0x34/0x1e0 [ 1833.358362] ? __sigqueue_alloc+0x1d9/0x400 [ 1833.362692] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1833.368139] ? __sigqueue_alloc+0x1d9/0x400 [ 1833.372454] kmem_cache_alloc+0x19e/0x2b0 [ 1833.376598] __sigqueue_alloc+0x1d9/0x400 [ 1833.380786] __send_signal+0x1b0/0x1200 [ 1833.384771] force_sig_info+0x241/0x340 [ 1833.388751] force_sig_info_fault.constprop.7+0x129/0x210 [ 1833.394328] ? is_prefetch.isra.4.part.5+0x350/0x350 [ 1833.399480] ? perf_trace_lock_acquire+0x126/0x4d0 [ 1833.404446] ? bad_area_access_error+0x1de/0x330 [ 1833.409205] __bad_area_nosemaphore+0x192/0x280 [ 1833.413879] bad_area_access_error+0x1ff/0x330 [ 1833.418451] ? mm_fault_error+0x2b0/0x2b0 [ 1833.422639] ? vmacache_find+0x50/0x250 [ 1833.426643] __do_page_fault+0x6d0/0xb60 [ 1833.430720] ? retint_user+0x18/0x18 [ 1833.434425] ? bad_area_access_error+0x330/0x330 [ 1833.439209] ? page_fault+0x2c/0x50 [ 1833.442825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1833.447663] ? page_fault+0x2c/0x50 [ 1833.451281] page_fault+0x42/0x50 [ 1833.454746] RIP: 4c59bd:0x4da048 [ 1833.458096] RSP: 0001:000000000072bf00 EFLAGS: 7f6a7678c6d4 [ 1833.458138] SLUB: Unable to allocate memory on node -1, gfp=0x1080020(GFP_ATOMIC) [ 1833.471454] cache: sigqueue, object size: 160, buffer size: 224, default order: 0, min order: 0 [ 1833.480455] node 0: slabs: 32586, objs: 586548, free: 0 [ 1833.509355] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1833.579399] lowmem_reserve[]: 0 0 0 [ 1833.641647] 0 pages HighMem/MovableOnly [ 1833.645625] 315641 pages reserved [ 1833.693339] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1833.761950] [30190] 0 30190 17618 12677 31 3 0 1000 syz-executor5 [ 1833.946021] init: page allocation stalls for 215790ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1834.005552] [30213] 0 30213 17618 8234 25 4 0 1000 syz-executor1 [ 1834.044018] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1834.222379] CPU: 1 PID: 1 Comm: init Not tainted 4.14.87+ #21 [ 1834.228304] Call Trace: [ 1834.230895] dump_stack+0xb9/0x11b [ 1834.234466] warn_alloc.cold.35+0x9d/0x1b7 [ 1834.238711] ? zone_watermark_ok_safe+0x240/0x240 [ 1834.243550] ? usleep_range+0x130/0x130 [ 1834.247569] __alloc_pages_nodemask+0x1425/0x2280 [ 1834.252424] ? __kernel_text_address+0x9/0x30 [ 1834.256916] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1834.261797] ? __lock_acquire+0x619/0x4320 [ 1834.266037] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1834.270537] ? kmemdup+0x20/0x50 [ 1834.273899] ? selinux_cred_prepare+0x3e/0x90 [ 1834.278406] ? new_slab+0x358/0x470 [ 1834.282035] new_slab+0x3c0/0x470 [ 1834.285508] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1834.290527] ? getname_flags+0xc4/0x540 [ 1834.294519] ? fs_reclaim_acquire+0x10/0x10 [ 1834.298863] ? check_preemption_disabled+0x34/0x1e0 [ 1834.303881] ? getname_flags+0xc4/0x540 [ 1834.307857] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1834.313310] ? getname_flags+0xc4/0x540 [ 1834.317283] kmem_cache_alloc+0x19e/0x2b0 [ 1834.321438] getname_flags+0xc4/0x540 [ 1834.325258] user_path_at_empty+0x28/0x80 [ 1834.329461] SyS_faccessat+0x20d/0x660 [ 1834.333362] ? SyS_fallocate+0x80/0x80 [ 1834.337256] ? do_syscall_64+0x43/0x4b0 [ 1834.341229] ? SyS_faccessat+0x660/0x660 [ 1834.345294] do_syscall_64+0x19b/0x4b0 [ 1834.349208] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1834.354390] RIP: 0033:0x7f413a3c43c7 [ 1834.358109] RSP: 002b:00007fff23c917a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1834.365830] RAX: ffffffffffffffda RBX: 0000000000407a00 RCX: 00007f413a3c43c7 [ 1834.373125] RDX: 00007fff23c919bc RSI: 0000000000000000 RDI: 00007f413a443365 [ 1834.380418] RBP: 00007fff23c91970 R08: 00000000000000f7 R09: 0000000080000000 [ 1834.387685] R10: 00007fff23c91af0 R11: 0000000000000246 R12: 00000000000023e7 [ 1834.394942] R13: 00000000004072f7 R14: 00007fff23c91970 R15: 0000000001f990fc [ 1834.431835] [30218] 0 30218 17585 8233 26 4 0 1000 syz-executor2 [ 1834.483728] lowmem_reserve[]: 0 3505 3505 [ 1834.487953] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1834.574649] 10506 total pagecache pages [ 1834.578665] 0 pages in swap cache [ 1834.619278] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1834.723790] [30251] 0 30251 17618 8234 26 4 0 1000 syz-executor0 [ 1834.783604] Swap cache stats: add 0, delete 0, find 0/0 [ 1834.788998] Free swap = 0kB [ 1834.913049] warn_alloc_show_mem: 3 callbacks suppressed [ 1834.913053] Mem-Info: [ 1834.921904] [30258] 0 30258 17585 8200 25 3 0 1000 syz-executor0 [ 1834.958876] Total swap = 0kB [ 1835.063994] 1965979 pages RAM [ 1835.067114] 0 pages HighMem/MovableOnly [ 1835.137432] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1835.137432] active_file:29 inactive_file:83 isolated_file:0 [ 1835.137432] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1835.137432] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1835.137432] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1835.137432] free:4408 free_pcp:0 free_cma:0 [ 1835.217885] [30294] 0 30294 17618 12677 31 3 0 1000 syz-executor5 [ 1835.267782] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1835.320073] 315641 pages reserved [ 1835.410091] lowmem_reserve[]: 0 0 0 [ 1835.413756] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1835.496825] [30315] 0 30315 17618 12677 31 3 0 1000 syz-executor5 [ 1835.515160] syz-executor5: page allocation stalls for 215350ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1835.792315] [30350] 0 30350 17618 8233 25 4 0 1000 syz-executor1 [ 1835.864001] CPU: 1 PID: 1847 Comm: syz-executor5 Not tainted 4.14.87+ #21 [ 1835.870943] Call Trace: [ 1835.873547] dump_stack+0xb9/0x11b [ 1835.877089] warn_alloc.cold.35+0x9d/0x1b7 [ 1835.881345] ? zone_watermark_ok_safe+0x240/0x240 [ 1835.886203] ? usleep_range+0x130/0x130 [ 1835.890217] __alloc_pages_nodemask+0x1425/0x2280 [ 1835.895091] ? finish_task_switch+0x1e6/0x610 [ 1835.899606] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1835.904477] ? __lock_acquire+0x619/0x4320 [ 1835.908727] ? finish_task_switch+0x1bd/0x610 [ 1835.913239] ? __lock_acquire+0x619/0x4320 [ 1835.917471] ? _raw_spin_unlock_irq+0x35/0x50 [ 1835.921968] ? finish_task_switch+0x1e6/0x610 [ 1835.926514] ? new_slab+0x358/0x470 [ 1835.930174] new_slab+0x3c0/0x470 [ 1835.933655] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1835.938670] ? getname_flags+0xc4/0x540 [ 1835.942654] ? fs_reclaim_acquire+0x10/0x10 [ 1835.946983] ? check_preemption_disabled+0x34/0x1e0 [ 1835.952040] ? getname_flags+0xc4/0x540 [ 1835.956011] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1835.961455] ? getname_flags+0xc4/0x540 [ 1835.965424] kmem_cache_alloc+0x19e/0x2b0 [ 1835.969573] getname_flags+0xc4/0x540 [ 1835.973383] do_sys_open+0x1ea/0x580 [ 1835.977096] ? filp_open+0x60/0x60 [ 1835.980634] ? SyS_nanosleep+0x138/0x190 [ 1835.984691] ? hrtimer_nanosleep+0x470/0x470 [ 1835.989115] ? do_syscall_64+0x43/0x4b0 [ 1835.993081] ? do_sys_open+0x580/0x580 [ 1835.996980] do_syscall_64+0x19b/0x4b0 [ 1836.000901] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1836.006085] RIP: 0033:0x455680 [ 1836.009280] RSP: 002b:00007fff0c3a78b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 1836.017000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455680 [ 1836.024264] RDX: 0000000000000000 RSI: 0000000000090800 RDI: 00000000004bc3ce [ 1836.031532] RBP: 0000000000000f2c R08: 0000000000000001 R09: 0000000001918940 [ 1836.038803] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000b [ 1836.046088] R13: 000000000018ac49 R14: 0000000000000344 R15: 0000000000000005 [ 1836.105977] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1836.255257] [30360] 0 30360 17585 8200 24 3 0 1000 syz-executor1 [ 1836.306489] lowmem_reserve[]: 0 3505 3505 [ 1836.340096] Node 0 active_anon:448340kB inactive_anon:5297824kB active_file:116kB inactive_file:332kB unevictable:74848kB isolated(anon):0kB isolated(file):0kB mapped:234632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1836.450631] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:188kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1836.526369] 10506 total pagecache pages [ 1836.586151] [30373] 0 30373 17618 8234 25 4 0 1000 syz-executor1 [ 1836.660055] 0 pages in swap cache [ 1836.663545] Swap cache stats: add 0, delete 0, find 0/0 [ 1836.668907] Free swap = 0kB [ 1836.867944] [30384] 0 30384 17618 12677 31 3 0 1000 syz-executor5 [ 1836.992133] Total swap = 0kB [ 1836.995186] 1965979 pages RAM [ 1836.998279] 0 pages HighMem/MovableOnly [ 1837.082576] DMA32 free:15756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:68kB inactive_file:172kB unevictable:31996kB writepending:0kB present:3145324kB managed:3012120kB mlocked:31748kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1837.181738] [30407] 0 30407 17618 8234 25 4 0 1000 syz-executor1 [ 1837.322718] 315641 pages reserved [ 1837.347595] lowmem_reserve[]: 0 0 0 [ 1837.449141] [30431] 0 30431 17658 8234 25 4 0 1000 syz-executor1 [ 1837.466850] DMA32: 135*4kB (UMH) 68*8kB (UMH) 771*16kB (UEH) 65*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 15756kB [ 1837.552516] cron: page allocation stalls for 181070ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1837.728090] [30441] 0 30441 17618 8234 25 4 0 1000 syz-executor1 [ 1837.863301] Normal: 113*4kB (UMH) 20*8kB (UMH) 69*16kB (UEH) 5*32kB (UH) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1876kB [ 1837.907470] CPU: 1 PID: 1679 Comm: cron Not tainted 4.14.87+ #21 [ 1837.913662] Call Trace: [ 1837.916252] dump_stack+0xb9/0x11b [ 1837.919816] warn_alloc.cold.35+0x9d/0x1b7 [ 1837.924050] ? zone_watermark_ok_safe+0x240/0x240 [ 1837.928892] ? usleep_range+0x130/0x130 [ 1837.932875] ? do_try_to_free_pages+0xde0/0xde0 [ 1837.937575] __alloc_pages_nodemask+0x1425/0x2280 [ 1837.942438] ? check_preemption_disabled+0x34/0x1e0 [ 1837.947461] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1837.952317] ? find_get_entry+0x118/0x550 [ 1837.956473] ? check_preemption_disabled+0x34/0x1e0 [ 1837.961540] ? check_preemption_disabled+0x34/0x1e0 [ 1837.966563] ? find_get_entry+0x13f/0x550 [ 1837.970722] ? pagecache_get_page+0x129/0x770 [ 1837.975224] filemap_fault+0xcdd/0x14a0 [ 1837.979226] ext4_filemap_fault+0x7d/0xb0 [ 1837.983373] __do_fault+0x80/0x210 [ 1837.986930] __handle_mm_fault+0x991/0x25f0 [ 1837.991259] ? vm_insert_page+0x6d0/0x6d0 [ 1837.995416] ? HARDIRQ_verbose+0x10/0x10 [ 1837.999467] ? HARDIRQ_verbose+0x10/0x10 [ 1838.003536] ? free_object+0xe4/0x240 [ 1838.007364] ? check_preemption_disabled+0x34/0x1e0 [ 1838.012388] handle_mm_fault+0x2f2/0x6eb [ 1838.016456] __do_page_fault+0x45d/0xb60 [ 1838.020528] ? retint_user+0x18/0x18 [ 1838.024238] ? bad_area_access_error+0x330/0x330 [ 1838.028991] ? page_fault+0x2c/0x50 [ 1838.032616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1838.037460] ? page_fault+0x2c/0x50 [ 1838.041081] page_fault+0x42/0x50 [ 1838.044527] RIP: 60882280: (null) [ 1838.048757] RSP: ceaf9aa4:00000000011b4720 EFLAGS: 00000001 [ 1838.062687] warn_alloc_show_mem: 4 callbacks suppressed [ 1838.062692] Mem-Info: [ 1838.126507] lowmem_reserve[]: 0 3505 3505 [ 1838.177326] [30448] 0 30448 17618 12677 31 3 0 1000 syz-executor5 [ 1838.194579] modprobe: page allocation stalls for 220030ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1838.260540] Normal free:1876kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2500652kB active_file:48kB inactive_file:128kB unevictable:42852kB writepending:0kB present:4718592kB managed:3589232kB mlocked:42808kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1838.294979] modprobe: page allocation stalls for 220040ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1838.312933] syz-executor0: page allocation stalls for 220050ms, order:3, mode:0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) [ 1838.325480] syz-fuzzer: page allocation stalls for 180110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1838.341252] modprobe: page allocation stalls for 220020ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1838.354993] rs:main Q:Reg: page allocation stalls for 180110ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1838.372022] modprobe: page allocation stalls for 220120ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1838.390241] rsyslogd: page allocation stalls for 180040ms, order:0, mode:0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null) [ 1838.404552] modprobe: page allocation stalls for 220150ms, order:1, mode:0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null) [ 1838.457519] active_anon:112085 inactive_anon:1324456 isolated_anon:0 [ 1838.457519] active_file:29 inactive_file:83 isolated_file:0 [ 1838.457519] unevictable:18712 dirty:0 writeback:0 unstable:0 [ 1838.457519] slab_reclaimable:6528 slab_unreclaimable:71023 [ 1838.457519] mapped:58658 shmem:851 pagetables:22412 bounce:0 [ 1838.457519] free:4408 free_pcp:0 free_cma:0 [ 1838.501227] 10506 total pagecache pages [ 1838.505221] 0 pages in swap cache [ 1838.508661] Swap cache stats: add 0, delete 0, find 0/0 [ 1838.520141] CPU: 1 PID: 9299 Comm: syz-executor0 Not tainted 4.14.87+ #21 [ 1838.527107] Call Trace: [ 1838.529700] dump_stack+0xb9/0x11b [ 1838.533248] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.537512] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.542422] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.547283] ? perf_trace_lock_acquire+0x4d0/0x4d0 [ 1838.552216] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.557056] ? perf_trace_lock+0x11a/0x4c0 [ 1838.561304] ? check_preemption_disabled+0x34/0x1e0 [ 1838.566366] ? rcu_read_lock_sched_held+0x102/0x120 [ 1838.571392] copy_process.part.6+0x267/0x6530 [ 1838.575890] ? __handle_mm_fault+0xdab/0x25f0 [ 1838.580381] ? lock_downgrade+0x560/0x560 [ 1838.584532] ? check_preemption_disabled+0x34/0x1e0 [ 1838.589548] ? perf_trace_lock+0x11a/0x4c0 [ 1838.593796] ? __cleanup_sighand+0x40/0x40 [ 1838.598028] ? vm_insert_page+0x6d0/0x6d0 [ 1838.602170] ? HARDIRQ_verbose+0x10/0x10 [ 1838.606252] _do_fork+0x1c2/0xd50 [ 1838.609724] ? fork_idle+0x250/0x250 [ 1838.613454] ? up_read+0x17/0x30 [ 1838.616831] ? __do_page_fault+0x64c/0xb60 [ 1838.621071] ? do_syscall_64+0x43/0x4b0 [ 1838.625045] ? sys_vfork+0x20/0x20 [ 1838.628575] do_syscall_64+0x19b/0x4b0 [ 1838.632516] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1838.637700] RIP: 0033:0x45a049 [ 1838.640880] RSP: 002b:00007fffed769158 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 1838.648583] RAX: ffffffffffffffda RBX: 00007fbc998be700 RCX: 000000000045a049 [ 1838.655842] RDX: 00007fbc998be9d0 RSI: 00007fbc998bddb0 RDI: 00000000003d0f00 [ 1838.663105] RBP: 00007fffed769360 R08: 00007fbc998be700 R09: 00007fbc998be700 [ 1838.670367] R10: 00007fbc998be9d0 R11: 0000000000000202 R12: 0000000000000000 [ 1838.678022] R13: 00007fffed76920f R14: 00007fbc998be9c0 R15: 000000000072c2cc [ 1838.700025] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 1838.706051] Tasks blocked on level-0 rcu_node (CPUs 0-1): P9320 [ 1838.712443] (detected by 0, t=10502 jiffies, g=41927, c=41926, q=5) [ 1838.713098] [30465] 0 30465 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713112] [30476] 0 30476 17618 8233 25 4 0 1000 syz-executor1 [ 1838.713125] [30488] 0 30488 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713138] [30496] 0 30496 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713150] [30540] 0 30540 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713162] [30554] 0 30554 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713175] [30563] 0 30563 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713187] [30583] 0 30583 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713199] [30593] 0 30593 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713212] [30605] 0 30605 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713224] [30617] 0 30617 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713236] [30629] 0 30629 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713249] [30655] 0 30655 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713261] [30665] 0 30665 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713274] [30673] 0 30673 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713286] [30686] 0 30686 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713306] [30693] 0 30693 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713319] [30710] 0 30710 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713331] [30727] 0 30727 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713344] [30738] 0 30738 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713356] [30748] 0 30748 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713369] [30777] 0 30777 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713381] [30794] 0 30794 17585 8200 24 3 0 1000 syz-executor1 [ 1838.713393] [30842] 0 30842 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713406] [30860] 0 30860 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713419] [30864] 3327 30864 17651 8208 28 3 0 1000 syz-executor0 [ 1838.713432] [30883] 0 30883 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713444] [30902] 0 30902 17651 8235 25 4 0 1000 syz-executor1 [ 1838.713456] [30914] 0 30914 17585 8200 24 3 0 1000 syz-executor1 [ 1838.713469] [30916] 0 30916 17618 8203 24 3 0 1000 syz-executor1 [ 1838.713481] [30919] 0 30919 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713493] [30944] 0 30944 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713516] [30958] 0 30958 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713529] [30978] 0 30978 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713541] [30988] 0 30988 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713554] [31004] 0 31004 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713567] [31022] 0 31022 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713579] [31039] 0 31039 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713592] [31060] 0 31060 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713606] [31090] 0 31090 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713618] [31115] 0 31115 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713630] [31130] 0 31130 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713642] [31148] 0 31148 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713669] [31177] 0 31177 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713681] [31268] 0 31268 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713693] [31272] 0 31272 17585 8200 24 3 0 1000 syz-executor1 [ 1838.713705] [31296] 0 31296 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713716] [31312] 0 31312 17618 8233 25 4 0 1000 syz-executor1 [ 1838.713729] [31327] 0 31327 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713741] [31338] 0 31338 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713752] [31387] 0 31387 17816 8253 32 4 0 0 syz-executor4 [ 1838.713764] [31388] 0 31388 17618 8235 25 4 0 1000 syz-executor1 [ 1838.713776] [31394] 0 31394 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713788] [31408] 0 31408 17585 8199 24 3 0 1000 syz-executor1 [ 1838.713799] [31416] 0 31416 17651 8203 24 3 0 1000 syz-executor1 [ 1838.713812] [31457] 0 31457 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713824] [31470] 0 31470 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713836] [31481] 0 31481 17618 8233 25 4 0 1000 syz-executor1 [ 1838.713848] [31520] 0 31520 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713860] [31523] 0 31523 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713872] [31547] 0 31547 17618 8233 25 4 0 1000 syz-executor1 [ 1838.713886] [31559] 0 31559 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713898] [31581] 0 31581 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713910] [31607] 0 31607 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713922] [31617] 0 31617 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713935] [31622] 0 31622 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713947] [31663] 0 31663 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713958] [31709] 0 31709 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713970] [31715] 0 31715 17618 12677 31 3 0 1000 syz-executor5 [ 1838.713982] [31725] 0 31725 17618 8234 25 4 0 1000 syz-executor1 [ 1838.713994] [31726] 0 31726 17618 8237 25 4 0 0 syz-executor4 [ 1838.714006] [31754] 0 31754 17585 8230 24 4 0 1000 syz-executor1 [ 1838.714017] [31756] 0 31756 17585 8193 23 3 0 0 syz-executor4 [ 1838.714030] [31764] 0 31764 17585 8202 24 3 0 0 syz-executor4 [ 1838.714042] [31785] 0 31785 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714054] [31820] 0 31820 17585 8198 24 3 0 1000 syz-executor3 [ 1838.714066] [31833] 0 31833 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714078] [31860] 0 31860 17684 8204 25 3 0 1000 syz-executor3 [ 1838.714089] [31918] 0 31918 17618 8233 25 4 0 1000 syz-executor1 [ 1838.714102] [31921] 0 31921 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714114] [31932] 0 31932 17651 8238 26 4 0 1000 syz-executor2 [ 1838.714126] [31945] 0 31945 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714138] [31954] 0 31954 17750 9285 26 3 0 1000 syz-executor0 [ 1838.714149] [31983] 0 31983 17618 8205 24 3 0 0 syz-executor4 [ 1838.714161] [31993] 0 31993 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714173] [31994] 0 31994 17651 8207 24 3 0 0 syz-executor4 [ 1838.714185] [32050] 0 32050 17585 8233 26 4 0 1000 syz-executor2 [ 1838.714197] [32061] 0 32061 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714208] [32079] 0 32079 17618 8237 27 4 0 1000 syz-executor2 [ 1838.714220] [32124] 0 32124 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714232] [32154] 0 32154 17618 8238 26 4 0 0 syz-executor4 [ 1838.714244] [32157] 0 32157 17618 8233 25 4 0 1000 syz-executor3 [ 1838.714256] [32161] 0 32161 17585 8199 24 3 0 1000 syz-executor3 [ 1838.714269] [32187] 0 32187 17816 8247 32 4 0 1000 syz-executor3 [ 1838.714281] [32198] 0 32198 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714299] [32205] 0 32205 17684 8221 25 4 0 1000 syz-executor1 [ 1838.714311] [32210] 0 32210 17684 8221 25 4 0 1000 syz-executor1 [ 1838.714323] [32295] 0 32295 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714334] [32322] 0 32322 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714346] [32390] 0 32390 17618 12677 31 3 0 1000 syz-executor1 [ 1838.714358] [32392] 0 32392 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714369] [32435] 0 32435 17651 8234 25 4 0 1000 syz-executor3 [ 1838.714383] [32449] 0 32449 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714395] [32479] 0 32479 17618 8236 25 4 0 0 syz-executor4 [ 1838.714407] [32517] 0 32517 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714419] [32556] 0 32556 17585 8191 24 3 0 1000 syz-executor2 [ 1838.714430] [32559] 0 32559 17585 8200 25 3 0 1000 syz-executor2 [ 1838.714442] [32573] 0 32573 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714454] [32593] 0 32593 17618 8234 26 4 0 1000 syz-executor2 [ 1838.714467] [32628] 0 32628 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714479] [32681] 0 32681 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714490] [32720] 0 32720 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714511] [ 316] 0 316 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714523] [ 396] 0 396 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714535] [ 454] 0 454 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714547] [ 506] 0 506 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714559] [ 579] 0 579 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714572] [ 600] 0 600 17651 8235 25 4 0 1000 syz-executor3 [ 1838.714584] [ 602] 0 602 17585 8199 24 3 0 1000 syz-executor3 [ 1838.714596] [ 634] 0 634 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714608] [ 685] 0 685 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714619] [ 733] 0 733 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714631] [ 758] 0 758 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714643] [ 768] 0 768 17618 8237 25 4 0 1000 syz-executor1 [ 1838.714654] [ 786] 0 786 17618 8232 25 4 0 1000 syz-executor3 [ 1838.714666] [ 790] 0 790 17618 8232 25 4 0 1000 syz-executor3 [ 1838.714678] [ 812] 0 812 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714689] [ 851] 0 851 17651 8239 26 4 0 1000 syz-executor2 [ 1838.714701] [ 905] 0 905 17618 8238 26 4 0 1000 syz-executor2 [ 1838.714713] [ 908] 0 908 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714725] [ 961] 0 961 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714737] [ 1013] 0 1013 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714749] [ 1067] 0 1067 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714760] [ 1088] 0 1088 17585 8199 24 3 0 1000 syz-executor3 [ 1838.714772] [ 1090] 0 1090 17585 8231 25 4 0 1000 syz-executor3 [ 1838.714783] [ 1129] 0 1129 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714795] [ 1194] 0 1194 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714807] [ 1245] 0 1245 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714819] [ 1271] 0 1271 17585 8230 25 4 0 1000 syz-executor3 [ 1838.714831] [ 1280] 0 1280 17618 8233 26 4 0 1000 syz-executor3 [ 1838.714843] [ 1316] 0 1316 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714854] [ 1368] 0 1368 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714866] [ 1417] 0 1417 17651 8236 25 4 0 1000 syz-executor1 [ 1838.714878] [ 1430] 0 1430 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714889] [ 1456] 0 1456 17717 8242 25 4 0 0 syz-executor4 [ 1838.714901] [ 1493] 0 1493 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714914] [ 1574] 0 1574 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714926] [ 1598] 0 1598 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714937] [ 1686] 0 1686 17651 8234 25 4 0 1000 syz-executor3 [ 1838.714951] [ 1707] 0 1707 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714964] [ 1764] 0 1764 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714976] [ 1866] 0 1866 17618 12677 31 3 0 1000 syz-executor5 [ 1838.714988] [ 1899] 0 1899 17651 8234 25 4 0 1000 syz-executor1 [ 1838.715000] [ 1907] 0 1907 17618 12677 31 3 0 1000 syz-executor5 [ 1838.715011] [ 1908] 0 1908 17585 8232 24 3 0 1000 syz-executor2 [ 1838.715023] [ 1918] 0 1918 17651 8239 28 3 0 1000 syz-executor2 [ 1838.715035] [ 1937] 0 1937 17585 8232 24 3 0 1000 syz-executor2 [ 1838.715047] [ 1964] 0 1964 17585 8232 24 3 0 1000 syz-executor2 [ 1838.715058] [ 1979] 0 1979 17585 8232 24 3 0 1000 syz-executor2 [ 1838.715070] [ 1983] 0 1983 17618 12677 31 3 0 1000 syz-executor5 [ 1838.715082] [ 2008] 0 2008 17718 8241 26 4 0 1000 syz-executor1 [ 1838.715094] [ 2057] 0 2057 17618 12677 31 3 0 1000 syz-executor5 [ 1838.715106] [ 2183] 0 2183 17783 8247 31 4 0 0 syz-executor4 [ 1838.715118] [ 2199] 0 2199 17618 12677 31 3 0 1000 syz-executor5 [ 1838.715130] [ 2234] 0 2234 17585 8198 24 3 0 1000 syz-executor3 [ 1838.715141] [ 2248] 0 2248 17717 8206 27 3 0 1000 syz-executor3 [ 1838.715153] [ 2345] 0 2345 17585 8231 26 4 0 1000 syz-executor1 [ 1838.715165] [ 2435] 0 2435 17618 8235 25 4 0 1000 syz-executor1 [ 1838.715176] [ 2452] 0 2452 17684 8241 27 4 0 1000 syz-executor2 [ 1838.715188] [ 2535] 0 2535 17585 8193 23 3 0 0 syz-executor4 [ 1838.715199] [ 2536] 0 2536 17618 8204 24 3 0 0 syz-executor4 [ 1838.715211] [ 2556] 0 2556 17618 12707 31 3 0 1000 syz-executor5 [ 1838.715223] [ 2575] 0 2575 17651 8237 26 4 0 1000 syz-executor2 [ 1838.715235] [ 2625] 0 2625 17585 8199 24 3 0 1000 syz-executor1 [ 1838.715247] [ 2898] 0 2898 17618 8238 26 4 0 0 syz-executor4 [ 1838.715259] [ 3022] 0 3022 17585 8203 24 3 0 0 syz-executor4 [ 1838.715270] [ 3052] 0 3052 17783 8216 24 3 0 0 syz-executor4 [ 1838.715282] [ 3085] 0 3085 17651 8235 25 4 0 1000 syz-executor3 [ 1838.715302] [ 3222] 0 3222 17618 8237 27 4 0 1000 syz-executor2 [ 1838.715314] [ 3227] 0 3227 17618 8237 27 4 0 1000 syz-executor2 [ 1838.715326] [ 3246] 0 3246 17651 8237 26 4 0 1000 syz-executor2 [ 1838.715338] [ 3249] 0 3249 17651 8237 25 3 0 1000 syz-executor2 [ 1838.715350] [ 3263] 0 3263 17651 8237 26 4 0 1000 syz-executor2 [ 1838.715361] [ 3264] 0 3264 17651 8237 25 3 0 1000 syz-executor2 [ 1838.715373] [ 3532] 0 3532 17618 8233 26 4 0 1000 syz-executor3 [ 1838.715384] [ 3637] 0 3637 17651 8240 25 4 0 0 syz-executor4 [ 1838.715396] [ 3641] 0 3641 17583 8230 25 4 0 1000 syz-executor1 [ 1838.715407] [ 3792] 0 3792 17618 12677 31 3 0 1000 syz-executor5 [ 1838.715419] [ 3864] 0 3864 17618 12677 31 3 0 1000 syz-executor5 [ 1838.715431] [ 4057] 0 4057 17585 8200 25 3 0 1000 syz-executor0 [ 1838.715443] [ 4062] 0 4062 17618 8202 25 3 0 1000 syz-executor0 [ 1838.715454] [ 4256] 0 4256 17585 8203 24 3 0 0 syz-executor4 [ 1838.715465] [ 4279] 0 4279 17684 8796 25 3 0 0 syz-executor4 [ 1838.715477] [ 4321] 0 4321 17585 8200 25 3 0 1000 syz-executor1 [ 1838.715489] [ 4343] 0 4343 17684 8206 25 3 0 1000 syz-executor1 [ 1838.715509] [ 4394] 0 4394 17684 8237 27 4 0 1000 syz-executor3 [ 1838.715522] [ 4495] 0 4495 17618 12707 31 3 0 1000 syz-executor5 [ 1838.715533] [ 4723] 0 4723 17618 8238 26 4 0 0 syz-executor4 [ 1838.715545] [ 4725] 0 4725 17618 8238 26 4 0 0 syz-executor4 [ 1838.715557] [ 4786] 0 4786 17618 8232 25 4 0 1000 syz-executor3 [ 1838.715568] [ 4794] 0 4794 17618 8232 25 4 0 1000 syz-executor3 [ 1838.715580] [ 4830] 0 4830 17651 8236 26 4 0 1000 syz-executor0 [ 1838.715592] [ 4846] 0 4846 17618 8239 26 4 0 1000 syz-executor2 [ 1838.715605] [ 4861] 0 4861 17585 8233 26 4 0 1000 syz-executor2 [ 1838.715617] [ 4899] 0 4899 17618 8236 26 3 0 1000 syz-executor2 [ 1838.715628] [ 4903] 0 4903 17651 8238 26 3 0 1000 syz-executor2 [ 1838.715640] [ 4928] 0 4928 17585 8234 26 3 0 1000 syz-executor2 [ 1838.715651] [ 5160] 0 5160 17585 8199 24 3 0 1000 syz-executor1 [ 1838.715663] [ 5180] 0 5180 17618 8207 25 3 0 0 syz-executor4 [ 1838.715675] [ 5226] 0 5226 17585 8234 25 3 0 1000 syz-executor2 [ 1838.715686] [ 5232] 0 5232 17618 8236 25 3 0 1000 syz-executor2 [ 1838.715697] [ 5396] 0 5396 17618 8206 25 3 0 0 syz-executor4 [ 1838.715709] [ 5422] 0 5422 17684 8205 25 3 0 1000 syz-executor3 [ 1838.715721] [ 5655] 0 5655 17618 8206 25 3 0 0 syz-executor4 [ 1838.715732] [ 5806] 0 5806 17618 8206 25 3 0 0 syz-executor4 [ 1838.715745] [ 5834] 0 5834 17585 8204 25 3 0 0 syz-executor4 [ 1838.715756] [ 5848] 0 5848 17618 8232 25 4 0 1000 syz-executor3 [ 1838.715770] [ 5915] 0 5915 17618 8203 24 3 0 1000 syz-executor1 [ 1838.715781] [ 5930] 0 5930 17684 8207 24 3 0 1000 syz-executor1 [ 1838.715793] [ 5981] 0 5981 17651 8235 25 4 0 1000 syz-executor1 [ 1838.715805] [ 6001] 0 6001 17618 8235 27 4 0 1000 syz-executor3 [ 1838.715817] [ 6007] 0 6007 17618 8206 25 3 0 0 syz-executor4 [ 1838.715828] [ 6069] 0 6069 17684 8240 27 4 0 1000 syz-executor3 [ 1838.715840] [ 6199] 0 6199 17585 8202 25 3 0 1000 syz-executor1 [ 1838.715852] [ 6204] 0 6204 17651 8208 25 3 0 1000 syz-executor1 [ 1838.715864] [ 6282] 0 6282 17618 8206 25 3 0 0 syz-executor4 [ 1838.715890] [ 6327] 0 6327 17618 8206 25 3 0 0 syz-executor4 [ 1838.715902] [ 6369] 0 6369 17618 8206 25 3 0 0 syz-executor4 [ 1838.715914] [ 6437] 0 6437 17618 8206 25 3 0 0 syz-executor4 [ 1838.715926] [ 6496] 0 6496 17585 8204 25 3 0 0 syz-executor4 [ 1838.715938] [ 6561] 0 6561 17618 8206 25 3 0 0 syz-executor4 [ 1838.715950] [ 6597] 0 6597 17618 8206 25 3 0 0 syz-executor4 [ 1838.715963] [ 6680] 0 6680 17585 8204 25 3 0 1000 syz-executor5 [ 1838.715974] [ 6684] 0 6684 17585 8207 25 3 0 0 syz-executor4 [ 1838.715986] [ 6724] 0 6724 17618 8208 25 3 0 0 syz-executor4 [ 1838.715998] [ 6734] 0 6734 17585 8192 23 3 0 1000 syz-executor1 [ 1838.716010] [ 6905] 0 6905 17618 8208 25 3 0 0 syz-executor4 [ 1838.716022] [ 6906] 0 6906 17651 8240 25 4 0 1000 syz-executor1 [ 1838.716035] [ 6936] 0 6936 17618 12679 31 3 0 1000 syz-executor5 [ 1838.716061] [ 6947] 0 6947 17680 12679 31 3 0 1000 syz-executor5 [ 1838.716072] [ 7103] 0 7103 17651 8240 25 4 0 1000 syz-executor1 [ 1838.716098] [ 7129] 0 7129 17618 8208 25 3 0 0 syz-executor4 [ 1838.716110] [ 7141] 0 7141 17618 8241 26 4 0 1000 syz-executor1 [ 1838.716123] [ 7314] 0 7314 17618 8208 25 3 0 0 syz-executor4 [ 1838.716134] [ 7366] 0 7366 17618 8208 25 3 0 0 syz-executor4 [ 1838.716146] [ 7378] 0 7378 17618 8240 25 4 0 1000 syz-executor1 [ 1838.716157] [ 7382] 0 7382 17618 8240 25 4 0 1000 syz-executor1 [ 1838.716168] [ 7418] 0 7418 17618 8208 25 3 0 0 syz-executor4 [ 1838.716179] [ 7459] 0 7459 17618 8208 25 3 0 0 syz-executor4 [ 1838.716191] [ 7602] 0 7602 17618 8208 25 3 0 0 syz-executor4 [ 1838.716202] [ 7661] 0 7661 17618 8208 25 3 0 0 syz-executor4 [ 1838.716214] [ 7681] 0 7681 17618 12679 31 3 0 1000 syz-executor5 [ 1838.716225] [ 8195] 0 8195 17651 8242 26 4 0 1000 syz-executor0 [ 1838.716236] [ 8196] 0 8196 17651 8242 26 4 0 1000 syz-executor0 [ 1838.716247] [ 8307] 0 8307 5384 187 14 3 0 -1000 udevd [ 1838.716259] [ 8465] 0 8465 17618 8211 25 3 0 0 syz-executor4 [ 1838.716270] [ 8544] 0 8544 17618 8211 25 3 0 0 syz-executor4 [ 1838.716281] [ 8573] 0 8573 17618 8208 25 3 0 1000 syz-executor5 [ 1838.716298] [ 8577] 0 8577 17585 8209 25 3 0 0 syz-executor4 [ 1838.716310] [ 8685] 0 8685 5384 187 14 3 0 -1000 udevd [ 1838.716322] [ 8755] 0 8755 17651 8383 26 4 0 1000 syz-executor0 [ 1838.716333] [ 8815] 0 8815 17585 8217 25 3 0 1000 syz-executor0 [ 1838.716345] [ 8816] 0 8816 17618 8223 25 3 0 0 syz-executor4 [ 1838.716356] [ 8818] 0 8818 17618 8219 25 3 0 1000 syz-executor0 [ 1838.716368] [ 8940] 0 8940 17585 8373 25 4 0 1000 syz-executor1 [ 1838.716380] [ 9005] 0 9005 17618 8375 25 4 0 1000 syz-executor1 [ 1838.716396] [ 9257] 0 9257 17618 8412 26 4 0 1000 syz-executor0 [ 1838.716409] [ 9279] 0 9279 17713 17687 40 4 0 0 syz-executor4 [ 1838.716421] [ 9299] 0 9299 17783 8396 33 4 0 1000 syz-executor0 [ 1838.716433] [ 9318] 0 9318 101 1 5 3 0 0 modprobe [ 1838.716444] [ 9319] 0 9319 1576 20 9 3 0 0 modprobe [ 1838.716456] [ 9320] 0 9320 1539 12 6 3 0 0 modprobe [ 1838.716467] [ 9321] 0 9321 1576 20 9 3 0 0 modprobe [ 1838.716479] [ 9325] 0 9325 1576 21 9 3 0 0 modprobe [ 1838.716490] [ 9326] 0 9326 1576 20 9 3 0 0 modprobe [ 1838.716509] [ 9328] 0 9328 635 9 6 3 0 0 modprobe [ 1838.716521] [ 9329] 0 9329 1576 20 9 3 0 0 modprobe [ 1838.716531] [ 9331] 0 9331 1576 21 8 3 0 0 modprobe [ 1838.716544] [ 9334] 0 9334 1547 12 8 3 0 0 modprobe [ 1838.716555] [ 9335] 0 9335 1547 13 7 3 0 0 modprobe [ 1838.716566] [ 9337] 0 9337 1576 21 9 3 0 0 modprobe [ 1838.753550] CPU: 1 PID: 9318 Comm: modprobe Not tainted 4.14.87+ #21 [ 1838.753555] Call Trace: [ 1838.753575] dump_stack+0xb9/0x11b [ 1838.753593] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.753604] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.753616] ? usleep_range+0x130/0x130 [ 1838.753667] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.753697] ? __kernel_text_address+0x9/0x30 [ 1838.753711] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.753733] ? __lock_acquire+0x619/0x4320 [ 1838.753749] ? kasan_kmalloc.part.1+0xa9/0xd0 [ 1838.753779] ? kmemdup+0x20/0x50 [ 1838.753787] ? selinux_cred_prepare+0x3e/0x90 [ 1838.753812] ? new_slab+0x358/0x470 [ 1838.753828] new_slab+0x3c0/0x470 [ 1838.753848] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1838.753859] ? getname_flags+0xc4/0x540 [ 1838.753879] ? fs_reclaim_acquire+0x10/0x10 [ 1838.753896] ? check_preemption_disabled+0x34/0x1e0 [ 1838.753906] ? getname_flags+0xc4/0x540 [ 1838.753931] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1838.753943] ? getname_flags+0xc4/0x540 [ 1838.753951] kmem_cache_alloc+0x19e/0x2b0 [ 1838.753966] getname_flags+0xc4/0x540 [ 1838.753984] user_path_at_empty+0x28/0x80 [ 1838.754000] SyS_faccessat+0x20d/0x660 [ 1838.754017] ? SyS_fallocate+0x80/0x80 [ 1838.754034] ? do_syscall_64+0x43/0x4b0 [ 1838.754044] ? SyS_faccessat+0x660/0x660 [ 1838.754055] do_syscall_64+0x19b/0x4b0 [ 1838.754076] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1838.754083] RIP: 0033:0x7fd4ad02d267 [ 1838.754088] RSP: 002b:00007ffe6f500628 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 1838.754097] RAX: ffffffffffffffda RBX: 0000561f084865c1 RCX: 00007fd4ad02d267 [ 1838.754102] RDX: 00000000000033ef RSI: 0000000000000000 RDI: 00007fd4ad0312e6 [ 1838.754107] RBP: 00007fd4ad230000 R08: 0000000000000000 R09: 0000000000000000 [ 1838.754112] R10: 0000000000000002 R11: 0000000000000246 R12: 00007fd4ad2381c8 [ 1838.754117] R13: 00007fd4ad230718 R14: 00000000000033ef R15: 00007fd4ad238570 [ 1838.780112] Out of memory: Kill process 10425 (syz-executor1) score 1007 or sacrifice child [ 1838.780175] Killed process 10425 (syz-executor1) total-vm:70720kB, anon-rss:18312kB, file-rss:32640kB, shmem-rss:0kB [ 1838.799397] CPU: 1 PID: 9329 Comm: modprobe Not tainted 4.14.87+ #21 [ 1838.799402] Call Trace: [ 1838.799419] dump_stack+0xb9/0x11b [ 1838.799434] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.799445] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.799455] ? usleep_range+0x130/0x130 [ 1838.799511] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.799546] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.799566] ? __lock_acquire+0x619/0x4320 [ 1838.799573] ? __lock_acquire+0x619/0x4320 [ 1838.799607] ? __lock_acquire+0x619/0x4320 [ 1838.799650] ? new_slab+0x358/0x470 [ 1838.799665] new_slab+0x3c0/0x470 [ 1838.799715] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1838.799725] ? getname_flags+0xc4/0x540 [ 1838.799743] ? fs_reclaim_acquire+0x10/0x10 [ 1838.799759] ? check_preemption_disabled+0x34/0x1e0 [ 1838.799768] ? getname_flags+0xc4/0x540 [ 1838.799793] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1838.799803] ? getname_flags+0xc4/0x540 [ 1838.799810] kmem_cache_alloc+0x19e/0x2b0 [ 1838.799825] getname_flags+0xc4/0x540 [ 1838.799842] user_path_at_empty+0x28/0x80 [ 1838.799872] vfs_statx+0xe1/0x180 [ 1838.799921] ? vfs_statx_fd+0x90/0x90 [ 1838.799929] ? __might_fault+0x104/0x1b0 [ 1838.799940] ? lock_downgrade+0x560/0x560 [ 1838.799946] ? lock_acquire+0x10f/0x380 [ 1838.799953] ? __might_fault+0xd4/0x1b0 [ 1838.799985] SyS_newfstatat+0x89/0x100 [ 1838.799996] ? SyS_newlstat+0xf0/0xf0 [ 1838.800003] ? __might_fault+0x177/0x1b0 [ 1838.800021] ? SyS_getdents+0x1d0/0x270 [ 1838.800034] ? SyS_old_readdir+0x150/0x150 [ 1838.800043] ? compat_fillonedir+0x260/0x260 [ 1838.800062] ? do_syscall_64+0x43/0x4b0 [ 1838.800073] ? SyS_newlstat+0xf0/0xf0 [ 1838.800084] do_syscall_64+0x19b/0x4b0 [ 1838.800104] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1838.800111] RIP: 0033:0x7fe72a00be1a [ 1838.800115] RSP: 002b:00007ffc04ca1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1838.800125] RAX: ffffffffffffffda RBX: 00007fe72a2d7471 RCX: 00007fe72a00be1a [ 1838.800130] RDX: 00007ffc04ca1cb0 RSI: 00007ffc04ca1d53 RDI: 0000000000000000 [ 1838.800134] RBP: 00007fe72a4dc2e8 R08: 0000000000000000 R09: 7665646266080028 [ 1838.800139] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc04ca1d40 [ 1838.800144] R13: 00007ffc04ca1d53 R14: 000055fcb9e551a0 R15: 00055facc785c680 [ 1838.854537] CPU: 1 PID: 9319 Comm: modprobe Not tainted 4.14.87+ #21 [ 1838.854541] Call Trace: [ 1838.854557] dump_stack+0xb9/0x11b [ 1838.854573] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.854583] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.854593] ? usleep_range+0x130/0x130 [ 1838.854638] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.854687] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.854707] ? __lock_acquire+0x619/0x4320 [ 1838.854718] ? check_preemption_disabled+0x34/0x1e0 [ 1838.854771] ? new_slab+0x358/0x470 [ 1838.854799] new_slab+0x3c0/0x470 [ 1838.854821] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1838.854847] ? getname_flags+0xc4/0x540 [ 1838.854866] ? fs_reclaim_acquire+0x10/0x10 [ 1838.854882] ? check_preemption_disabled+0x34/0x1e0 [ 1838.854892] ? getname_flags+0xc4/0x540 [ 1838.854902] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1838.854914] ? getname_flags+0xc4/0x540 [ 1838.854922] kmem_cache_alloc+0x19e/0x2b0 [ 1838.854937] getname_flags+0xc4/0x540 [ 1838.854955] user_path_at_empty+0x28/0x80 [ 1838.854970] vfs_statx+0xe1/0x180 [ 1838.854984] ? vfs_statx_fd+0x90/0x90 [ 1838.854993] ? mntput_no_expire+0xca/0x830 [ 1838.855018] SyS_newstat+0x81/0xf0 [ 1838.855028] ? SyS_fstat+0xe0/0xe0 [ 1838.855041] ? _raw_spin_unlock_irq+0x24/0x50 [ 1838.855054] ? trace_hardirqs_on_caller+0x381/0x520 [ 1838.855063] ? _raw_spin_unlock_irq+0x35/0x50 [ 1838.855086] ? task_work_run+0xec/0x190 [ 1838.855115] ? do_syscall_64+0x43/0x4b0 [ 1838.855127] ? SyS_fstat+0xe0/0xe0 [ 1838.855150] do_syscall_64+0x19b/0x4b0 [ 1838.855167] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1838.855173] RIP: 0033:0x7ff6b2c93c65 [ 1838.855178] RSP: 002b:00007ffddad2a878 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1838.855186] RAX: ffffffffffffffda RBX: 00007ff6b2f5f481 RCX: 00007ff6b2c93c65 [ 1838.855191] RDX: 00007ffddad2a970 RSI: 00007ffddad2a970 RDI: 00007ff6b2f5f481 [ 1838.855196] RBP: 00007ff6b31642f0 R08: 00007ff6b2f4aef8 R09: 00007ff6b2ce7070 [ 1838.855200] R10: 0000000000000000 R11: 0000000000000246 R12: 000056252ae03160 [ 1838.855204] R13: 00007ffddad2aaa3 R14: 0000000000000010 R15: 00055facc785c680 [ 1838.859997] CPU: 1 PID: 9325 Comm: modprobe Not tainted 4.14.87+ #21 [ 1838.860000] Call Trace: [ 1838.860019] dump_stack+0xb9/0x11b [ 1838.860034] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.860044] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.860071] ? usleep_range+0x130/0x130 [ 1838.860135] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.860188] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.860207] ? __lock_acquire+0x619/0x4320 [ 1838.860215] ? __lock_acquire+0x619/0x4320 [ 1838.860234] ? __lock_acquire+0x619/0x4320 [ 1838.860262] ? new_slab+0x358/0x470 [ 1838.860278] new_slab+0x3c0/0x470 [ 1838.860306] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1838.860317] ? getname_flags+0xc4/0x540 [ 1838.860336] ? fs_reclaim_acquire+0x10/0x10 [ 1838.860352] ? check_preemption_disabled+0x34/0x1e0 [ 1838.860362] ? getname_flags+0xc4/0x540 [ 1838.860373] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1838.860384] ? getname_flags+0xc4/0x540 [ 1838.860392] kmem_cache_alloc+0x19e/0x2b0 [ 1838.860408] getname_flags+0xc4/0x540 [ 1838.860425] user_path_at_empty+0x28/0x80 [ 1838.860454] vfs_statx+0xe1/0x180 [ 1838.860468] ? vfs_statx_fd+0x90/0x90 [ 1838.860475] ? __might_fault+0x104/0x1b0 [ 1838.860486] ? lock_downgrade+0x560/0x560 [ 1838.860492] ? lock_acquire+0x10f/0x380 [ 1838.860510] ? __might_fault+0xd4/0x1b0 [ 1838.860541] SyS_newfstatat+0x89/0x100 [ 1838.860567] ? SyS_newlstat+0xf0/0xf0 [ 1838.860574] ? __might_fault+0x177/0x1b0 [ 1838.860586] ? SyS_getdents+0x1d0/0x270 [ 1838.860598] ? SyS_old_readdir+0x150/0x150 [ 1838.860606] ? compat_fillonedir+0x260/0x260 [ 1838.860624] ? do_syscall_64+0x43/0x4b0 [ 1838.860635] ? SyS_newlstat+0xf0/0xf0 [ 1838.860645] do_syscall_64+0x19b/0x4b0 [ 1838.860665] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1838.860671] RIP: 0033:0x7f7afb061e1a [ 1838.860675] RSP: 002b:00007fff17adfa98 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1838.860684] RAX: ffffffffffffffda RBX: 00007f7afb32d471 RCX: 00007f7afb061e1a [ 1838.860689] RDX: 00007fff17adfc20 RSI: 00007fff17adfcc3 RDI: 0000000000000000 [ 1838.860693] RBP: 00007f7afb5322e8 R08: 0000000000000000 R09: 7665646266080028 [ 1838.860698] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff17adfcb0 [ 1838.860703] R13: 00007fff17adfcc3 R14: 0000560c512b91a0 R15: 00055facc785c680 [ 1838.870137] CPU: 1 PID: 1776 Comm: syz-fuzzer Not tainted 4.14.87+ #21 [ 1838.870156] Call Trace: [ 1838.870169] dump_stack+0xb9/0x11b [ 1838.870199] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.870209] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.870220] ? usleep_range+0x130/0x130 [ 1838.870238] ? do_try_to_free_pages+0xde0/0xde0 [ 1838.870275] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.870311] ? check_preemption_disabled+0x34/0x1e0 [ 1838.870325] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.870338] ? find_get_entry+0x118/0x550 [ 1838.870353] ? check_preemption_disabled+0x34/0x1e0 [ 1838.870362] ? check_preemption_disabled+0x34/0x1e0 [ 1838.870380] ? find_get_entry+0x13f/0x550 [ 1838.870400] ? pagecache_get_page+0x129/0x770 [ 1838.870417] filemap_fault+0xcdd/0x14a0 [ 1838.870449] ext4_filemap_fault+0x7d/0xb0 [ 1838.870458] __do_fault+0x80/0x210 [ 1838.870470] __handle_mm_fault+0x991/0x25f0 [ 1838.870488] ? vm_insert_page+0x6d0/0x6d0 [ 1838.870494] ? HARDIRQ_verbose+0x10/0x10 [ 1838.870510] ? HARDIRQ_verbose+0x10/0x10 [ 1838.870519] ? SyS_futex+0x249/0x2b5 [ 1838.870554] ? check_preemption_disabled+0x34/0x1e0 [ 1838.870572] handle_mm_fault+0x2f2/0x6eb [ 1838.870586] __do_page_fault+0x45d/0xb60 [ 1838.870600] ? retint_user+0x18/0x18 [ 1838.870609] ? bad_area_access_error+0x330/0x330 [ 1838.870633] ? page_fault+0x2c/0x50 [ 1838.870640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1838.870656] ? page_fault+0x2c/0x50 [ 1838.870666] page_fault+0x42/0x50 [ 1838.870672] RIP: 0020:0x13 [ 1838.870676] RSP: 0001:000000c420031f38 EFLAGS: 00000001 [ 1838.879320] CPU: 1 PID: 9326 Comm: modprobe Not tainted 4.14.87+ #21 [ 1838.879323] Call Trace: [ 1838.879336] dump_stack+0xb9/0x11b [ 1838.879352] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.879362] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.879373] ? usleep_range+0x130/0x130 [ 1838.879421] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.879451] ? perf_trace_lock+0x11a/0x4c0 [ 1838.879464] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.879474] ? check_preemption_disabled+0x34/0x1e0 [ 1838.879490] ? __lock_acquire+0x619/0x4320 [ 1838.879544] ? new_slab+0x358/0x470 [ 1838.879559] new_slab+0x3c0/0x470 [ 1838.879579] ___slab_alloc.constprop.35+0x2e2/0x480 [ 1838.879590] ? getname_flags+0xc4/0x540 [ 1838.879609] ? fs_reclaim_acquire+0x10/0x10 [ 1838.879624] ? check_preemption_disabled+0x34/0x1e0 [ 1838.879635] ? getname_flags+0xc4/0x540 [ 1838.879644] __slab_alloc.isra.26.constprop.34+0x4b/0x90 [ 1838.879655] ? getname_flags+0xc4/0x540 [ 1838.879663] kmem_cache_alloc+0x19e/0x2b0 [ 1838.879677] getname_flags+0xc4/0x540 [ 1838.879695] user_path_at_empty+0x28/0x80 [ 1838.879709] vfs_statx+0xe1/0x180 [ 1838.879723] ? vfs_statx_fd+0x90/0x90 [ 1838.879749] SyS_newstat+0x81/0xf0 [ 1838.879758] ? SyS_fstat+0xe0/0xe0 [ 1838.879792] ? up_read+0x17/0x30 [ 1838.879816] ? __do_page_fault+0x64c/0xb60 [ 1838.879832] ? do_syscall_64+0x43/0x4b0 [ 1838.879845] ? SyS_fstat+0xe0/0xe0 [ 1838.879853] do_syscall_64+0x19b/0x4b0 [ 1838.879872] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1838.879878] RIP: 0033:0x7f810d837c65 [ 1838.879883] RSP: 002b:00007ffde73cb3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 1838.879892] RAX: ffffffffffffffda RBX: 00007f810db03471 RCX: 00007f810d837c65 [ 1838.879897] RDX: 00007ffde73cb4c0 RSI: 00007ffde73cb4c0 RDI: 00007f810db03471 [ 1838.879902] RBP: 00007f810dd082e8 R08: 2b37382e34312e34 R09: 00007ffde73cc512 [ 1838.879922] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1838.879927] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1838.889614] CPU: 1 PID: 1626 Comm: rs:main Q:Reg Not tainted 4.14.87+ #21 [ 1838.889618] Call Trace: [ 1838.889629] dump_stack+0xb9/0x11b [ 1838.889645] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.889656] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.889666] ? usleep_range+0x130/0x130 [ 1838.889686] ? do_try_to_free_pages+0xde0/0xde0 [ 1838.889726] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.889757] ? check_preemption_disabled+0x34/0x1e0 [ 1838.889786] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.889798] ? find_get_entry+0x118/0x550 [ 1838.889814] ? check_preemption_disabled+0x34/0x1e0 [ 1838.889823] ? check_preemption_disabled+0x34/0x1e0 [ 1838.889841] ? find_get_entry+0x13f/0x550 [ 1838.889862] ? pagecache_get_page+0x129/0x770 [ 1838.889880] filemap_fault+0xcdd/0x14a0 [ 1838.889930] ext4_filemap_fault+0x7d/0xb0 [ 1838.889940] __do_fault+0x80/0x210 [ 1838.889954] __handle_mm_fault+0x991/0x25f0 [ 1838.889972] ? vm_insert_page+0x6d0/0x6d0 [ 1838.889979] ? HARDIRQ_verbose+0x10/0x10 [ 1838.889985] ? HARDIRQ_verbose+0x10/0x10 [ 1838.890031] ? check_preemption_disabled+0x34/0x1e0 [ 1838.890050] handle_mm_fault+0x2f2/0x6eb [ 1838.890064] __do_page_fault+0x45d/0xb60 [ 1838.890080] ? retint_user+0x18/0x18 [ 1838.890089] ? bad_area_access_error+0x330/0x330 [ 1838.890098] ? page_fault+0x2c/0x50 [ 1838.890105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1838.890121] ? page_fault+0x2c/0x50 [ 1838.890132] page_fault+0x42/0x50 [ 1838.890138] RIP: 0000:0x5 [ 1838.890142] RSP: 867fa0:0000000000868140 EFLAGS: 008cc950 [ 1838.894782] CPU: 1 PID: 1628 Comm: rsyslogd Not tainted 4.14.87+ #21 [ 1838.894785] Call Trace: [ 1838.894796] dump_stack+0xb9/0x11b [ 1838.894810] warn_alloc.cold.35+0x9d/0x1b7 [ 1838.894821] ? zone_watermark_ok_safe+0x240/0x240 [ 1838.894832] ? usleep_range+0x130/0x130 [ 1838.894851] ? do_try_to_free_pages+0xde0/0xde0 [ 1838.894890] __alloc_pages_nodemask+0x1425/0x2280 [ 1838.894921] ? check_preemption_disabled+0x34/0x1e0 [ 1838.894935] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 1838.894949] ? find_get_entry+0x118/0x550 [ 1838.894964] ? check_preemption_disabled+0x34/0x1e0 [ 1838.894974] ? check_preemption_disabled+0x34/0x1e0 [ 1838.894993] ? find_get_entry+0x13f/0x550 [ 1838.895014] ? pagecache_get_page+0x129/0x770 [ 1838.895033] filemap_fault+0xcdd/0x14a0 [ 1838.895067] ext4_filemap_fault+0x7d/0xb0 [ 1838.895077] __do_fault+0x80/0x210 [ 1838.895090] __handle_mm_fault+0x991/0x25f0 [ 1838.895108] ? vm_insert_page+0x6d0/0x6d0 [ 1838.895115] ? HARDIRQ_verbose+0x10/0x10 [ 1838.895121] ? HARDIRQ_verbose+0x10/0x10 [ 1838.895133] ? __fsnotify_parent+0xb1/0x300 [ 1838.895168] ? check_preemption_disabled+0x34/0x1e0 [ 1838.895187] handle_mm_fault+0x2f2/0x6eb [ 1838.895201] __do_page_fault+0x45d/0xb60 [ 1838.895216] ? retint_user+0x18/0x18 [ 1838.895226] ? bad_area_access_error+0x330/0x330 [ 1838.895236] ? page_fault+0x2c/0x50 [ 1838.895242] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1838.895259] ? page_fault+0x2c/0x50 [ 1838.895270] page_fault+0x42/0x50 [ 1838.895276] RIP: 95b5b5a3:0xdb [ 1838.895281] RSP: 94325d10:00007f1694325d00 EFLAGS: 00000001 [ 1838.920680] Free swap = 0kB [ 1838.920684] Total swap = 0kB [ 1838.920689] 1965979 pages RAM [ 1838.920693] 0 pages HighMem/MovableOnly [ 1838.920696] 315641 pages reserved [ 1838.986614] oom_reaper: reaped process 10425 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1838.986639] lowmem_reserve[]: 0 0 0 [ 1838.986653] DMA32: 140*4kB (UMH) 265*8kB (UMH) 917*16kB (UEH) 70*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19848kB [ 1838.986704] Normal: 915*4kB (UMEH) 88*8kB (UMEH) 112*16kB (UMEH) 50*32kB (UMEH) 21*64kB (ME) 13*128kB (ME) 12*256kB (ME) 8*512kB (ME) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 23052kB [ 1838.986766] 10243 total pagecache pages [ 1838.986775] 0 pages in swap cache [ 1838.986780] Swap cache stats: add 0, delete 0, find 0/0 [ 1838.986783] Free swap = 0kB [ 1838.986785] Total swap = 0kB [ 1838.986789] 1965979 pages RAM [ 1838.986791] 0 pages HighMem/MovableOnly [ 1838.986794] 315641 pages reserved [ 1839.017401] Node 0 active_anon:448340kB inactive_anon:5297624kB active_file:13852kB inactive_file:4328kB unevictable:37948kB isolated(anon):0kB isolated(file):128kB mapped:225632kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1839.017420] DMA32 free:19756kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2810928kB active_file:4100kB inactive_file:584kB unevictable:13704kB writepending:0kB present:3145324kB managed:3012120kB mlocked:13740kB kernel_stack:13440kB pagetables:35940kB bounce:0kB free_pcp:664kB local_pcp:664kB free_cma:0kB [ 1839.017422] lowmem_reserve[]: 0 3505 3505 [ 1839.017448] Normal free:22664kB min:5588kB low:9176kB high:12764kB active_anon:418052kB inactive_anon:2486696kB active_file:9268kB inactive_file:4192kB unevictable:24544kB writepending:0kB present:4718592kB managed:3589232kB mlocked:24204kB kernel_stack:16192kB pagetables:53708kB bounce:0kB free_pcp:712kB local_pcp:712kB free_cma:0kB [ 1839.017450] lowmem_reserve[]: 0 0 0 [ 1839.017462] DMA32: 140*4kB (UMH) 265*8kB (UMH) 917*16kB (UEH) 70*32kB (UMEH) 0*64kB 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 19848kB [ 1839.017553] Normal: 915*4kB (UMEH) 88*8kB (UMEH) 112*16kB (UMEH) 51*32kB (UMEH) 21*64kB (ME) 13*128kB (ME) 12*256kB (ME) 8*512kB (ME) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 23084kB [ 1839.017615] 10243 total pagecache pages [ 1839.017624] 0 pages in swap cache [ 1839.017629] Swap cache stats: add 0, delete 0, find 0/0 [ 1839.017631] Free swap = 0kB [ 1839.017634] Total swap = 0kB [ 1839.017637] 1965979 pages RAM [ 1839.017640] 0 pages HighMem/MovableOnly [ 1839.017643] 315641 pages reserved [ 1839.090104] warn_alloc_show_mem: 8 callbacks suppressed [ 1839.090109] Mem-Info: [ 1839.090128] active_anon:112083 inactive_anon:1319884 isolated_anon:0 [ 1839.090128] active_file:3594 inactive_file:1008 isolated_file:32 [ 1839.090128] unevictable:9362 dirty:0 writeback:0 unstable:0 [ 1839.090128] slab_reclaimable:6530 slab_unreclaimable:69179 [ 1839.090128] mapped:54054 shmem:851 pagetables:22341 bounce:0 [ 1839.090128] free:15327 free_pcp:339 free_cma:0 [ 1839.090141] Node 0 active_anon:448332kB inactive_anon:5279536kB active_file:14376kB inactive_file:4032kB unevictable:37448kB isolated(anon):0kB isolated(file):128kB mapped:216216kB dirty:0kB writeback:0kB shmem:3404kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 1839.090158] DMA32 free:33892kB min:4684kB low:7692kB high:10700kB active_anon:30288kB inactive_anon:2797172kB active_file:4348kB inactive_file:188kB unevictable:13692kB writepending:0kB present:3145324kB managed:3012120kB mlocked:13444kB kernel_stack:13408kB pagetables:35888kB bounce:0kB free_pcp:640kB local_pcp:640kB free_cma:0kB [ 1839.090160] lowmem_reserve[]: 0 3505 3505 [ 1839.090186] Normal free:27416kB min:5588kB low:9176kB high:12764kB active_anon:418044kB inactive_anon:2482364kB active_file:10028kB inactive_file:3844kB unevictable:23756kB writepending:0kB present:4718592kB managed:3589232kB mlocked:23700kB kernel_stack:16160kB pagetables:53476kB bounce:0kB free_pcp:716kB local_pcp:716kB free_cma:0kB [ 1839.090188] lowmem_reserve[]: 0 0 0 [ 1839.090200] DMA32: 1261*4kB (UMH) 756*8kB (UMH) 1115*16kB (UMEH) 125*32kB (UMEH) 11*64kB (UM) 2*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33892kB [ 1839.090255] Normal: 1726*4kB (UMEH) 126*8kB (UMEH) 113*16kB (UMEH) 53*32kB (UMEH) 20*64kB (ME) 13*128kB (ME) 15*256kB (ME) 8*512kB (ME) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 27416kB [ 1839.090342] 10191 total pagecache pages [ 1839.090352] 0 pages in swap cache [ 1839.090356] Swap cache stats: add 0, delete 0, find 0/0 [ 1839.090360] Free swap = 0kB [ 1839.090363] Total swap = 0kB [ 1839.090366] 1965979 pages RAM [ 1839.090369] 0 pages HighMem/MovableOnly [ 1839.090372] 315641 pages reserved [ 1843.229177] NMI backtrace for cpu 0 [ 1843.232805] CPU: 0 PID: 25 Comm: writeback Not tainted 4.14.87+ #21 [ 1843.239248] Call Trace: [ 1843.241831] [ 1843.243979] dump_stack+0xb9/0x11b [ 1843.247525] ? irq_force_complete_move.cold.3+0x64/0x64 [ 1843.252877] nmi_cpu_backtrace.cold.0+0x47/0x85 [ 1843.257573] ? irq_force_complete_move.cold.3+0x64/0x64 [ 1843.262940] nmi_trigger_cpumask_backtrace+0x121/0x146 [ 1843.268221] rcu_dump_cpu_stacks+0x171/0x1bf [ 1843.272637] rcu_check_callbacks.cold.56+0x7a5/0xd99 [ 1843.277761] ? tick_sched_handle.isra.8+0x150/0x150 [ 1843.282784] update_process_times+0x24/0x60 [ 1843.287113] tick_sched_handle.isra.8+0x73/0x150 [ 1843.291865] tick_sched_timer+0x7e/0x160 [ 1843.295918] __hrtimer_run_queues+0x2d0/0xc10 [ 1843.300422] ? hrtimer_start_range_ns+0x1070/0x1070 [ 1843.305430] ? ktime_get_update_offsets_now+0x241/0x300 [ 1843.310806] hrtimer_interrupt+0x19a/0x440 [ 1843.315047] smp_apic_timer_interrupt+0x13a/0x600 [ 1843.319890] apic_timer_interrupt+0x84/0x90 [ 1843.324197] [ 1843.326422] RIP: 0010:lock_acquire+0x15c/0x380 [ 1843.330988] RSP: 0018:ffff8881da137b88 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 [ 1843.338686] RAX: 0000000000000007 RBX: 0000000000000246 RCX: 0000000000000000 [ 1843.345943] RDX: 0000000000000000 RSI: ffff8881da128830 RDI: 0000000000000246 [ 1843.353202] RBP: ffff8881da128000 R08: 00000000000031b2 R09: ffffffff8cae5570 [ 1843.360462] R10: ffff8881da128830 R11: 0000000000000001 R12: 0000000000000000 [ 1843.367719] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 1843.375025] ? worker_detach_from_pool+0x32/0x2a0 [ 1843.379858] __mutex_lock+0xf5/0x1480 [ 1843.383648] ? worker_detach_from_pool+0x32/0x2a0 [ 1843.388481] ? worker_detach_from_pool+0x32/0x2a0 [ 1843.393331] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 1843.398783] ? HARDIRQ_verbose+0x10/0x10 [ 1843.402836] ? put_pwq+0x4a/0x180 [ 1843.406284] ? process_one_work+0xb42/0x1670 [ 1843.410700] ? rescuer_thread+0x640/0xd10 [ 1843.414852] ? worker_detach_from_pool+0x32/0x2a0 [ 1843.419683] worker_detach_from_pool+0x32/0x2a0 [ 1843.424351] rescuer_thread+0x64b/0xd10 [ 1843.428340] ? cancel_delayed_work_sync+0x20/0x20 [ 1843.433177] ? __kthread_parkme+0x116/0x1d0 [ 1843.437488] ? lock_downgrade+0x560/0x560 [ 1843.441632] ? kthread_flush_work_fn+0x20/0x20 [ 1843.446222] ? cancel_delayed_work_sync+0x20/0x20 [ 1843.451054] kthread+0x348/0x420 [ 1843.454411] ? kthread_create_on_node+0xe0/0xe0 [ 1843.459074] ret_from_fork+0x3a/0x50 2018/12/12 17:22:14 Manager.Poll call failed: write tcp 10.128.0.16:50242->10.128.0.26:39331: write: broken pipe