// https://syzkaller.appspot.com/bug?id=09e4b571237bee6e3b0373fe1c7ac7057006169f // 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, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; memcpy((void*)0x200001c0, "./file0\000", 8); syscall(__NR_openat, 0xffffff9c, 0x200001c0ul, 0x2242ul, 0ul); memcpy((void*)0x20002080, "/dev/fuse\000", 10); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20002080ul, 0x42ul, 0ul); if (res != -1) r[0] = res; memcpy((void*)0x200020c0, "./file0\000", 8); memcpy((void*)0x20002100, "fuse\000", 5); memcpy((void*)0x20002140, "fd", 2); *(uint8_t*)0x20002142 = 0x3d; sprintf((char*)0x20002143, "0x%016llx", (long long)r[0]); *(uint8_t*)0x20002155 = 0x2c; memcpy((void*)0x20002156, "rootmode", 8); *(uint8_t*)0x2000215e = 0x3d; sprintf((char*)0x2000215f, "%023llo", (long long)0x4000); *(uint8_t*)0x20002176 = 0x2c; memcpy((void*)0x20002177, "user_id", 7); *(uint8_t*)0x2000217e = 0x3d; sprintf((char*)0x2000217f, "%020llu", (long long)0); *(uint8_t*)0x20002193 = 0x2c; memcpy((void*)0x20002194, "group_id", 8); *(uint8_t*)0x2000219c = 0x3d; sprintf((char*)0x2000219d, "%020llu", (long long)0); *(uint8_t*)0x200021b1 = 0x2c; *(uint8_t*)0x200021b2 = 0; syscall(__NR_mount, 0ul, 0x200020c0ul, 0x20002100ul, 0ul, 0x20002140ul); memcpy((void*)0x200020c0, "./file0\000", 8); memcpy((void*)0x20002100, "fuse\000", 5); memcpy((void*)0x20002140, "fd=", 3); sprintf((char*)0x20002143, "0x%016llx", (long long)r[0]); memcpy((void*)0x20002155, ",rootmode=00000000000000000100000,user_id=", 42); sprintf((char*)0x2000217f, "%020llu", (long long)0); memcpy((void*)0x20002193, ",group_id=", 10); sprintf((char*)0x2000219d, "%020llu", (long long)0); syscall(__NR_mount, 0ul, 0x200020c0ul, 0x20002100ul, 0x4000ul, 0x20002140ul); return 0; }