// https://syzkaller.appspot.com/bug?id=2a622455acd7051c6cf85c360cd116118a587726 // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include static void execute_one(); extern unsigned long long procid; void loop() { while (1) { execute_one(); } } uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; void execute_one() { long res = 0; memcpy((void*)0x200001c0, "./file0", 8); res = syscall(__NR_open, 0x200001c0, 0x101142, 0); if (res != -1) r[0] = res; res = syscall(__NR_pipe2, 0x20000240, 0); if (res != -1) r[1] = *(uint32_t*)0x20000244; memcpy((void*)0x20000000, "./file0", 8); memcpy((void*)0x20000080, "9p", 3); memcpy((void*)0x20000340, "trans=fd,", 9); memcpy((void*)0x20000349, "rfdno", 5); *(uint8_t*)0x2000034e = 0x3d; sprintf((char*)0x2000034f, "0x%016llx", (long long)r[0]); *(uint8_t*)0x20000361 = 0x2c; memcpy((void*)0x20000362, "wfdno", 5); *(uint8_t*)0x20000367 = 0x3d; sprintf((char*)0x20000368, "0x%016llx", (long long)r[1]); *(uint8_t*)0x2000037a = 0x2c; memcpy((void*)0x2000037b, "dfltgid", 7); *(uint8_t*)0x20000382 = 0x3d; sprintf((char*)0x20000383, "0x%016llx", (long long)0); *(uint8_t*)0x20000395 = 0x2c; memcpy((void*)0x20000396, "fscache", 7); *(uint8_t*)0x2000039d = 0x2c; *(uint8_t*)0x2000039e = 0; syscall(__NR_mount, 0, 0x20000000, 0x20000080, 0, 0x20000340); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); for (;;) { loop(); } }