// https://syzkaller.appspot.com/bug?id=e2dc9aea0465d1eea101bb24cb463e2a7efe7d17 // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include static void test(); void loop() { while (1) { test(); } } long r[40]; void test() { memset(r, -1, sizeof(r)); r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul, 0xfffffffffffffffful, 0x0ul); r[1] = syscall(__NR_epoll_create, 0x2ul); r[2] = syscall(__NR_writev, 0xfffffffffffffffful, 0x20011ff0ul, 0x0ul); r[3] = syscall(__NR_socket, 0x26ul, 0x5ul, 0x0ul); *(uint16_t*)0x20859000 = (uint16_t)0x26; memcpy((void*)0x20859002, "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 14); *(uint32_t*)0x20859010 = (uint32_t)0x0; *(uint32_t*)0x20859014 = (uint32_t)0x0; memcpy((void*)0x20859018, "\x67\x63\x6d\x28\x74\x77\x6f\x66\x69\x73\x68\x29\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00", 64); r[9] = syscall(__NR_bind, r[3], 0x20859000ul, 0x58ul); memcpy((void*)0x20e95ff0, "\x64\x9c\x47\xec\xff\xff\xff\x00\x54\x2d" "\xb5\x0f\x41\x9d\x4d\x00", 16); r[11] = syscall(__NR_setsockopt, r[3], 0x117ul, 0x1ul, 0x20e95ff0ul, 0x10ul); r[12] = syscall(__NR_accept, r[3], 0x0ul, 0x0ul); r[13] = syscall(__NR_accept, r[3], 0x0ul, 0x0ul); memcpy((void*)0x20f3cf75, "\x35\x95\xc9\x17\xd6\x71\xb6\xb5\x53\x5f\x00\x42\xbd\x83\xa6" "\xd2\x6b\x71\xaa\x9a\x6d\xea\xf4\xce\xde\xed\x63\xf6\xad\x0a" "\x14\xcf\xab\x6e\x65\xf4\xbc\xd7\x40\x82\x9a\x3a\x50\xfa\xc8" "\xec\x4c\x77\xb3\x74\x9b\x24\x4a\xbc\xf0\xb5\xa2\x8c\x60\xf6" "\xd0\x43\x0a\xce\x54\xba\xa4\x15\x6e\xbb\xfa\xa2\xff\xdf\xf4" "\xbb\xa9\x89\xf4\xae\xbc\xcd\x1f\x87\x87\x87\xd9\xfc\x26\xac" "\x60\x20\x14\x40\xff\x95\x83\xcc\x2d\x54\x39\x16\x8d\xd6\x23" "\xe5\xcb\xbe\xc8\x5d\x30\xdb\x1a\xb1\x64\x17\x4f\xe4\x0b\x99" "\x98\x89\xf0\x29\x88\x36\x9b\xe7\x57\x03\x71\x78\xac\x1e\x74" "\x89\x49\x2f\xc2", 139); r[15] = syscall(__NR_write, r[13], 0x20f3cf75ul, 0x8bul); *(uint64_t*)0x207e0000 = (uint64_t)0x20f38ff7; *(uint32_t*)0x207e0008 = (uint32_t)0x9; *(uint64_t*)0x207e0010 = (uint64_t)0x20f38fe0; *(uint64_t*)0x207e0018 = (uint64_t)0x2; *(uint64_t*)0x207e0020 = (uint64_t)0x204d3f31; *(uint64_t*)0x207e0028 = (uint64_t)0x0; *(uint32_t*)0x207e0030 = (uint32_t)0x3; *(uint64_t*)0x20f38fe0 = (uint64_t)0x20f38fed; *(uint64_t*)0x20f38fe8 = (uint64_t)0x0; *(uint64_t*)0x20f38ff0 = (uint64_t)0x207c0000; *(uint64_t*)0x20f38ff8 = (uint64_t)0x0; r[27] = syscall(__NR_recvmsg, r[12], 0x207e0000ul, 0x40ul); *(uint64_t*)0x20aecfc8 = (uint64_t)0x20f3d000; *(uint32_t*)0x20aecfd0 = (uint32_t)0x10; *(uint64_t*)0x20aecfd8 = (uint64_t)0x20f3d000; *(uint64_t*)0x20aecfe0 = (uint64_t)0x2; *(uint64_t*)0x20aecfe8 = (uint64_t)0x20f3d000; *(uint64_t*)0x20aecff0 = (uint64_t)0x0; *(uint32_t*)0x20aecff8 = (uint32_t)0x100000000; *(uint64_t*)0x20f3d000 = (uint64_t)0x20f3df84; *(uint64_t*)0x20f3d008 = (uint64_t)0x0; *(uint64_t*)0x20f3d010 = (uint64_t)0x20f3dfaf; *(uint64_t*)0x20f3d018 = (uint64_t)0x51; r[39] = syscall(__NR_recvmsg, r[13], 0x20aecfc8ul, 0x10002ul); } int main() { int i; for (i = 0; i < 8; i++) { if (fork() == 0) { loop(); return 0; } } sleep(1000000); return 0; }