// 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; res = syscall(__NR_pipe2, 0x20000100, 0); if (res != -1) { r[0] = *(uint32_t*)0x20000100; r[1] = *(uint32_t*)0x20000104; } memcpy((void*)0x20000300, "./file0", 8); syscall(__NR_mkdir, 0x20000300, 0); memcpy((void*)0x20000500, "\x09\x09\x00\x00\x6f\x01\x00\x00\x00", 9); syscall(__NR_write, r[1], 0x20000500, 9); memcpy((void*)0x20000000, "./file0", 8); memcpy((void*)0x20000900, "9p", 3); memcpy((void*)0x20000380, "trans=fd,", 9); memcpy((void*)0x20000389, "rfdno", 5); *(uint8_t*)0x2000038e = 0x3d; sprintf((char*)0x2000038f, "0x%016llx", (long long)r[0]); *(uint8_t*)0x200003a1 = 0x2c; memcpy((void*)0x200003a2, "wfdno", 5); *(uint8_t*)0x200003a7 = 0x3d; sprintf((char*)0x200003a8, "0x%016llx", (long long)r[1]); *(uint8_t*)0x200003ba = 0x2c; memcpy((void*)0x200003bb, "access=any", 10); *(uint8_t*)0x200003c5 = 0x2c; *(uint8_t*)0x200003c6 = 0; syscall(__NR_mount, 0, 0x20000000, 0x20000900, 0, 0x20000380); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); for (;;) { loop(); } }