panic: brelse: non-VMIO buffer marked NOREUSE cpuid = 1 time = 23 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056b02370 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056b024d0 vpanic() at vpanic+0x257/frame 0xfffffe0056b02690 panic() at panic+0xb5/frame 0xfffffe0056b02760 brelse() at brelse+0x1040/frame 0xfffffe0056b02800 bufdone() at bufdone+0x7fd/frame 0xfffffe0056b028b0 g_io_deliver() at g_io_deliver+0x6ac/frame 0xfffffe0056b029b0 g_io_deliver() at g_io_deliver+0x6ac/frame 0xfffffe0056b02ab0 g_io_deliver() at g_io_deliver+0x6ac/frame 0xfffffe0056b02bb0 g_disk_done() at g_disk_done+0x26d/frame 0xfffffe0056b02c70 dadone() at dadone+0xda8/frame 0xfffffe0056b02da0 xpt_done_process() at xpt_done_process+0x8e2/frame 0xfffffe0056b02e10 xpt_done_td() at xpt_done_td+0x2bc/frame 0xfffffe0056b02ef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056b02f30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056b02f30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 4 tid 100045 ] Stopped at kdb_enter+0x6e: movq $0,0x258b377(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0 rax 0x12 rcx 0xfffffe0002bf1850 rdx 0 rbx 0xffffffff82826b20 .str.27 rsp 0xfffffe0056b024b0 rbp 0xfffffe0056b024d0 rsi 0 rdi 0xffffffff8165a839 printf+0x149 r8 0 r9 0xffffffff r10 0x25080cdd6742e806 r11 0x17 r12 0xfffffe0007824000 r13 0xfffffffffffffffd r14 0xffffffff82826b20 .str.27 r15 0 rip 0xffffffff81643c1e kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x258b377(%rip) db> show proc Process 4 (cam) at 0xfffffe0007807000: state: NORMAL uid: 0 gid: 0 supp gids: 0 parent: pid 0 at 0xffffffff83b59040 ABI: null flag: 0x10000284 flag2: 0 reaper: 0xffffffff83b59040 reapsubtree: 4 sigparent: 20 vmspace: 0xffffffff83b5a020 (map 0xffffffff83b5a020) (map.pmap 0xffffffff83b5a0c0) (pmap 0xffffffff83b5a130) threads: 3 100045 Run CPU 1 [doneq0] 100046 D - 0xffffffff838f22c0 [async] 100075 D - 0xffffffff838f2140 [scanner] db> ps pid ppid pgrp uid state wmesg wchan cmd 7395 7395 0 0 N syz-executor 7394 7394 0 0 N syz-executor 7393 7393 0 0 N syz-executor 7392 7392 0 0 N syz-executor 7391 7391 0 0 N syz-executor 7390 7390 0 0 N syz-executor 7389 7389 0 0 N syz-executor 7388 7388 0 0 N syz-executor 7387 7387 0 0 N syz-executor 7386 7386 0 0 N syz-executor 7385 7385 0 0 N syz-executor 7384 7384 0 0 N syz-executor 7383 7383 0 0 N syz-executor 7382 7382 0 0 N syz-executor 7381 7381 0 0 N syz-executor 7380 7380 0 0 N syz-executor 7379 7379 0 0 N syz-executor 7378 7378 0 0 N syz-executor 7377 7377 0 0 N syz-executor 7376 1450 766 0 N syz-executor 7375 7375 0 0 N syz-executor 7374 7374 0 0 N syz-executor 7373 7373 0 0 N syz-executor 7372 7372 0 0 N syz-executor 7371 7371 0 0 N syz-executor 7370 7370 0 0 N syz-executor 7369 7369 0 0 N syz-executor 7368 7368 0 0 N syz-executor 7367 7367 0 0 N syz-executor 7366 7366 0 0 N syz-executor 7365 7365 0 0 N syz-executor 7364 7364 0 0 N syz-executor 7363 7363 0 0 N syz-executor 7362 7362 0 0 N syz-executor 7361 7361 0 0 N syz-executor 7360 7360 0 0 N syz-executor 7359 1329 766 0 N syz-executor 7358 1179 766 0 N syz-executor 7357 1147 766 0 N syz-executor 7356 1230 766 0 N syz-executor 7355 1141 766 0 N syz-executor 7354 3232 766 0 N syz-executor 7353 7353 0 0 N syz-executor 7352 7352 0 0 N syz-executor 7351 7351 0 0 N syz-executor 7350 7350 0 0 N syz-executor 7349 2048 766 0 N syz-executor 7348 2275 766 0 N syz-executor 7347 7347 0 0 N syz-executor 7346 7346 0 0 N syz-executor 7345 1637 766 0 N syz-executor 7344 7344 0 0 N syz-executor 7343 7343 0 0 N syz-executor 7342 7342 0 0 N syz-executor 7341 1591 766 0 N syz-executor 7340 1587 766 0 N syz-executor 7339 1584 766 0 N syz-executor 7338 1537 766 0 N syz-executor 7337 1528 766 0 N syz-executor 7336 1503 766 0 N syz-executor 7335 1525 766 0 N syz-executor 7334 1518 766 0 N syz-executor 7333 1551 766 0 N syz-executor 7332 1523 766 0 N syz-executor 7331 1507 766 0 N syz-executor 7330 1500 766 0 N syz-executor 7329 1499 766 0 N syz-executor 7328 1498 766 0 N syz-executor 7327 1922 766 0 N syz-executor 7326 1494 766 0 N syz-executor 7325 1773 766 0 N syz-executor 7324 1888 766 0 N syz-executor 7323 2722 766 0 N syz-executor 7322 2076 766 0 N syz-executor 7321 1941 766 0 N syz-executor 7320 2687 766 0 N syz-executor 7319 2499 766 0 N syz-executor 7318 1772 766 0 N syz-executor 7317 1933 766 0 N syz-executor 7316 1878 766 0 N syz-executor 7315 1925 766 0 N syz-executor 7314 3337 766 0 N syz-executor 7313 2554 766 0 N syz-executor 7312 1842 766 0 N syz-executor 7311 1605 766 0 N syz-executor 7310 2582 766 0 N syz-executor 7309 2556 766 0 N syz-executor 7308 1939 766 0 N syz-executor 7307 2253 766 0 N syz-executor 7306 1539 766 0 N syz-executor 7305 1768 766 0 N syz-executor 7304 3269 766 0 N syz-executor 7303 1534 766 0 N syz-executor 7302 1533 766 0 N syz-executor 7301 1574 766 0 N syz-executor 7300 1553 766 0 N syz-executor 7299 1624 766 0 N syz-executor 7298 2318 766 0 N syz-executor 7297 1482 766 0 N syz-executor 7296 2347 766 0 N syz-executor 7295 2960 766 0 N syz-executor 7294 1564 766 0 N syz-executor 7293 2672 766 0 N syz-executor 7292 2717 766 0 N syz-executor 7291 1472 766 0 N syz-executor 7290 1469 766 0 N syz-executor 7289 1547 766 0 N syz-executor 7288 4035 766 0 N syz-executor 7287 1546 766 0 N syz-executor 7286 3176 766 0 N syz-executor 7285 2028 766 0 N syz-executor 7284 3360 766 0 N syz-executor 7283 2885 766 0 N syz-executor 7282 1626 766 0 N syz-executor 7281 3306 766 0 N syz-executor 7280 1451 766 0 N syz-executor 7279 3932 766 0 N syz-executor 7278 2341 766 0 N syz-executor 7277 1441 766 0 N syz-executor 7276 3283 766 0 N syz-executor 7275 1435 766 0 N syz-executor 7274 1572 766 0 N syz-executor 7273 1430 766 0 N syz-executor 7272 1418 766 0 N syz-executor 7271 1413 766 0 N syz-executor 7270 1405 766 0 N syz-executor 7269 3153 766 0 N syz-executor 7268 1399 766 0 N syz-executor 6977 3886 766 0 N syz-executor 6907 3571 766 0 N syz-executor 6906 2850 766 0 N syz-executor 6905 3284 766 0 N syz-executor 6903 4330 766 0 N syz-executor 6894 2940 766 0 N syz-executor 6890 3132 766 0 N syz-executor 6888 2798 766 0 N syz-executor 6886 3302 766 0 N syz-executor 6884 3978 766 0 N syz-executor 6882 3229 766 0 N syz-executor 6879 3614 766 0 N syz-executor 7267 3028 766 0 N syz-executor 7266 3033 766 0 N syz-executor 7265 3040 766 0 N syz-executor 7264 3071 766 0 N syz-executor 7263 3151 766 0 N syz-executor 7262 3349 766 0 N syz-executor 7261 3370 766 0 N syz-executor 7260 3559 766 0 N syz-executor 7259 3650 766 0 N syz-executor 7258 3802 766 0 N syz-executor 7257 3782 766 0 N syz-executor 7256 1367 766 0 N syz-executor 7255 1423 766 0 N syz-executor 7254 1376 766 0 N syz-executor 7253 1373 766 0 N syz-executor 7252 1369 766 0 N syz-executor 7251 7251 0 0 N syz-executor 7250 7250 0 0 N syz-executor 7249 7249 0 0 N syz-executor 7248 7248 0 0 N syz-executor 7247 7247 0 0 N syz-executor 7246 7246 0 0 N syz-executor 7245 7245 0 0 N syz-executor 7244 7244 0 0 N syz-executor 7243 7243 0 0 N syz-executor 7242 7242 0 0 N syz-executor 7241 7241 0 0 N syz-executor 7240 7240 0 0 N syz-executor 7239 7239 0 0 N syz-executor 7238 7238 0 0 N syz-executor 7237 7237 0 0 N syz-executor 7236 7236 0 0 N syz-executor 7235 7235 0 0 N syz-executor 7234 7234 0 0 N syz-executor 7233 7233 0 0 N syz-executor 7232 7232 0 0 N syz-executor 7231 7231 0 0 N syz-executor 7230 7230 0 0 N syz-executor 7229 7229 0 0 N syz-executor 7228 7228 0 0 N syz-executor 7227 7227 0 0 N syz-executor 7226 7226 0 0 N syz-executor 7225 7225 0 0 N syz-executor 7224 7224 0 0 N syz-executor 7223 7223 0 0 N syz-executor 7222 7222 0 0 N syz-executor 7221 7221 0 0 N syz-executor 7220 7220 0 0 N syz-executor 7219 7219 0 0 N syz-executor 7218 7218 0 0 N syz-executor 7217 7217 0 0 N syz-executor 7216 7216 0 0 N syz-executor 7215 7215 0 0 N syz-executor 7214 7214 0 0 N syz-executor 7213 7213 0 0 N syz-executor 7212 7212 0 0 N syz-executor 7211 7211 0 0 N syz-executor 7210 7210 0 0 N syz-executor 7209 7209 0 0 N syz-executor 7208 7208 0 0 N syz-executor 7207 7207 0 0 N syz-executor 7206 7206 0 0 N syz-executor 7205 7205 0 0 N syz-executor 7204 7204 0 0 N syz-executor 7203 7203 0 0 N syz-executor 7202 7202 0 0 N syz-executor 7201 7201 0 0 N syz-executor 7200 7200 0 0 N syz-executor 7199 7199 0 0 N syz-executor 7198 7198 0 0 N syz-executor 7197 7197 0 0 N syz-executor 7196 7196 0 0 N syz-executor 7195 7195 0 0 N syz-executor 7194 7194 0 0 N syz-executor 7193 7193 0 0 N syz-executor 7192 7192 0 0 N syz-executor 7191 7191 0 0 N syz-executor 7190 7190 0 0 N syz-executor 7189 7189 0 0 N syz-executor 7188 7188 0 0 N syz-executor 7187 7187 0 0 N syz-executor 7186 7186 0 0 N syz-executor 7185 7185 0 0 N syz-executor 7184 7184 0 0 N syz-executor 7183 7183 0 0 N syz-executor 7182 7182 0 0 N syz-executor 7181 7181 0 0 N syz-executor 7180 7180 0 0 N syz-executor 7179 7179 0 0 N syz-executor 7178 7178 0 0 N syz-executor 7177 7177 0 0 N syz-executor 7176 7176 0 0 N syz-executor 7175 7175 0 0 N syz-executor 7174 7174 0 0 N syz-executor 7173 7173 0 0 N syz-executor 7172 7172 0 0 N syz-executor 7171 7171 0 0 N syz-executor 7170 7170 0 0 N syz-executor 7169 7169 0 0 N syz-executor 7168 7168 0 0 N syz-executor 7167 7167 0 0 N syz-executor 7166 7166 0 0 N syz-executor 7165 7165 0 0 N syz-executor 7164 7164 0 0 N syz-executor 7163 7163 0 0 N syz-executor 7162 7162 0 0 N syz-executor 7161 7161 0 0 N syz-executor 7160 7160 0 0 N syz-executor 7159 7159 0 0 N syz-executor 7158 7158 0 0 N syz-executor 7157 7157 0 0 N syz-executor 7156 7156 0 0 N syz-executor 7155 7155 0 0 N syz-executor 7154 7154 0 0 N syz-executor 7153 7153 0 0 N syz-executor 7152 7152 0 0 N syz-executor 7151 7151 0 0 N syz-executor 7150 7150 0 0 N syz-executor 7149 7149 0 0 N syz-executor 7148 7148 0 0 N syz-executor 7147 7147 0 0 N syz-executor 7146 7146 0 0 N syz-executor 7145 7145 0 0 N syz-executor 7144 7144 0 0 N syz-executor 7143 7143 0 0 N syz-executor 7142 7142 0 0 N syz-executor 7141 7141 0 0 N syz-executor 7140 7140 0 0 N syz-executor 7139 7139 0 0 N syz-executor 7138 7138 0 0 N syz-executor 7137 7137 0 0 N syz-executor 7136 7136 0 0 N syz-executor 7135 7135 0 0 N syz-executor 7134 7134 0 0 N syz-executor 7133 7133 0 0 N syz-executor 7132 7132 0 0 N syz-executor 7131 7131 0 0 N syz-executor 7130 7130 0 0 N syz-executor 7129 7129 0 0 N syz-executor 7128 7128 0 0 N syz-executor 7127 7127 0 0 N syz-executor 7126 7126 0 0 N syz-executor 7125 7125 0 0 N syz-executor 7124 7124 0 0 N syz-executor 7123 7123 0 0 N syz-executor 7122 7122 0 0 N syz-executor 7121 7121 0 0 N syz-executor 7120 7120 0 0 N syz-executor 7119 7119 0 0 N syz-executor 7118 7118 0 0 N syz-executor 7117 7117 0 0 N syz-executor 7116 7116 0 0 N syz-executor 7115 7115 0 0 N syz-executor 7114 7114 0 0 N syz-executor 7113 7113 0 0 N syz-executor 7112 7112 0 0 N syz-executor 7111 7111 0 0 N syz-executor 7110 7110 0 0 N syz-executor 7109 7109 0 0 N syz-executor 7108 7108 0 0 N syz-executor 7107 7107 0 0 N syz-executor 7106 7106 0 0 N syz-executor 7105 7105 0 0 N syz-executor 7104 7104 0 0 N syz-executor 7103 7103 0 0 N syz-executor 7102 7102 0 0 N syz-executor 7101 7101 0 0 N syz-executor 7100 7100 0 0 N syz-executor 7099 7099 0 0 N syz-executor 7098 7098 0 0 N syz-executor 7097 7097 0 0 N syz-executor 7096 7096 0 0 N syz-executor 7095 7095 0 0 N syz-executor 7094 7094 0 0 N syz-executor 7093 7093 0 0 N syz-executor 7092 7092 0 0 N syz-executor 7091 7091 0 0 N syz-executor 7090 7090 0 0 N syz-executor 7089 7089 0 0 N syz-executor 7088 7088 0 0 N syz-executor 7087 7087 0 0 N syz-executor 7086 7086 0 0 N syz-executor 7085 7085 0 0 N syz-executor 7084 7084 0 0 N syz-executor 7083 7083 0 0 N syz-executor 7082 7082 0 0 N syz-executor 7081 7081 0 0 N syz-executor 7080 7080 0 0 N syz-executor 7079 7079 0 0 N syz-executor 7078 7078 0 0 N syz-executor 7077 7077 0 0 N syz-executor 7076 7076 0 0 N syz-executor 7075 7075 0 0 N syz-executor 7074 7074 0 0 N syz-executor 7073 7073 0 0 N syz-executor 7072 7072 0 0 N syz-executor 7071 7071 0 0 N syz-executor 7070 7070 0 0 N syz-executor 7069 7069 0 0 N syz-executor 7068 7068 0 0 N syz-executor 7067 7067 0 0 N syz-executor 7066 7066 0 0 N syz-executor 7065 7065 0 0 N syz-executor 7064 7064 0 0 N syz-executor 7063 7063 0 0 N syz-executor 7062 7062 0 0 N syz-executor 7061 7061 0 0 N syz-executor 7060 7060 0 0 N syz-executor 7059 7059 0 0 N syz-executor 7058 7058 0 0 N syz-executor 7057 7057 0 0 N syz-executor 7056 7056 0 0 N syz-executor 7055 7055 0 0 N syz-executor 7054 7054 0 0 N syz-executor 7053 7053 0 0 N syz-executor 7052 7052 0 0 N syz-executor 7051 7051 0 0 N syz-executor 7050 7050 0 0 N syz-executor 7049 7049 0 0 N syz-executor 7048 7048 0 0 N syz-executor 7047 3792 766 0 N syz-executor 7046 4346 766 0 N syz-executor 7045 3827 766 0 N syz-executor 7044 3791 766 0 N syz-executor 7043 1194 766 0 N syz-executor 7042 3856 766 0 N syz-executor 7041 7041 0 0 N syz-executor 7040 3784 766 0 N syz-executor 7039 3789 766 0 N syz-executor 7038 3788 766 0 N syz-executor 7037 3923 766 0 N syz-executor 7036 3785 766 0 N syz-executor 7035 3777 766 0 N syz-executor 7034 3778 766 0 N syz-executor 7033 3772 766 0 N syz-executor 7032 1228 766 0 N syz-executor 7031 3821 766 0 N syz-executor 7030 3820 766 0 N syz-executor 7029 3816 766 0 N syz-executor 7028 1218 766 0 N syz-executor 7027 3765 766 0 N syz-executor 7026 3763 766 0 N syz-executor 7025 4037 766 0 N syz-executor 7024 7024 0 0 N syz-executor 7023 4539 766 0 N syz-executor 7022 7022 0 0 N syz-executor 7021 1203 766 0 N syz-executor 7020 3690 766 0 N syz-executor 7019 1196 766 0 N syz-executor 7018 3689 766 0 N syz-executor 7017 7017 0 0 N syz-executor 7016 7016 0 0 N syz-executor 7015 7015 0 0 N syz-executor 7014 7014 0 0 N syz-executor 7013 3756 766 0 N syz-executor 7012 4031 766 0 N syz-executor 7011 4349 766 0 N syz-executor 7010 4102 766 0 N syz-executor 7009 3896 766 0 N syz-executor 7008 4270 766 0 N syz-executor 7007 4732 766 0 N syz-executor 7006 4098 766 0 N syz-executor 7005 3815 766 0 N syz-executor 7004 3771 766 0 N syz-executor 7003 3843 766 0 N syz-executor 7002 7002 0 0 N syz-executor 7001 3954 766 0 N syz-executor 7000 3997 766 0 N syz-executor 6999 4344 766 0 N syz-executor 6998 4522 766 0 N syz-executor 6997 6997 0 0 N syz-executor 6996 4509 766 0 N syz-executor 6995 1136 766 0 N syz-executor 6994 3642 766 0 N syz-executor 6993 3644 766 0 N syz-executor 6992 111