// https://syzkaller.appspot.com/bug?id=c50f1f108950ba0955e75bb0af5c4d28375185ba // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); long res = 0; memcpy((void*)0x20000000, "./file0", 8); syscall(__NR_mkdirat, 0xffffff9c, 0x20000000, 0); memcpy((void*)0x20000100, "/dev/fuse", 10); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000100, 2, 0); if (res != -1) r[0] = res; memcpy((void*)0x20000040, "./file0", 8); memcpy((void*)0x20000300, "fuse", 5); memcpy((void*)0x20000400, "fd", 2); *(uint8_t*)0x20000402 = 0x3d; sprintf((char*)0x20000403, "0x%016llx", (long long)r[0]); *(uint8_t*)0x20000415 = 0x2c; memcpy((void*)0x20000416, "rootmode", 8); *(uint8_t*)0x2000041e = 0x3d; sprintf((char*)0x2000041f, "%023llo", (long long)0x4000); *(uint8_t*)0x20000436 = 0x2c; memcpy((void*)0x20000437, "user_id", 7); *(uint8_t*)0x2000043e = 0x3d; sprintf((char*)0x2000043f, "%020llu", (long long)0); *(uint8_t*)0x20000453 = 0x2c; memcpy((void*)0x20000454, "group_id", 8); *(uint8_t*)0x2000045c = 0x3d; sprintf((char*)0x2000045d, "%020llu", (long long)0); *(uint8_t*)0x20000471 = 0x2c; *(uint8_t*)0x20000472 = 0; syscall(__NR_mount, 0, 0x20000040, 0x20000300, 0, 0x20000400); syscall(__NR_read, r[0], 0x200020c0, 0x1000); *(uint32_t*)0x20000140 = 0x20; *(uint32_t*)0x20000144 = 0; *(uint64_t*)0x20000148 = 2; *(uint64_t*)0x20000150 = 7; *(uint32_t*)0x20000158 = 0; *(uint32_t*)0x2000015c = 0; syscall(__NR_write, r[0], 0x20000140, 0x20); *(uint32_t*)0x20000080 = 0x30; *(uint32_t*)0x20000084 = 5; *(uint64_t*)0x20000088 = 0; *(uint64_t*)0x20000090 = 0; *(uint64_t*)0x20000098 = 1; *(uint64_t*)0x200000a0 = 0; *(uint32_t*)0x200000a8 = 0; *(uint32_t*)0x200000ac = 0; syscall(__NR_write, r[0], 0x20000080, 0x30); return 0; }