// https://syzkaller.appspot.com/bug?id=793e08e191b6dc4a77bb79c0446431e4ae4ce9fc // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 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; res = syscall(__NR_socket, 0x11ul, 0x800000003ul, 0); if (res != -1) r[0] = res; *(uint16_t*)0x20000080 = 0x11; memcpy((void*)0x20000082, "\x00\x00\x01\x00\x00\x00\x00\x00\x08\x00\x44\x94\x4e\xeb\xa7\x1a\x49" "\x76\xe2\x52\x92\x2c\xb1\x8f\x6e\x2e\x2a\xba\x00\x00\x00\x01\x2e\x0b" "\x38\x36\x00\x54\x04\xb0\xe0\x30\x1a\x4c\xe8\x75\xf2\xe3\xff\x5f\x16" "\x3e\xe3\x40\xb7\x67\x95\x00\x80\x00\x00\x00\x00\x00\x00\x01\x01\x01" "\x3c\x58\x11\x03\x9e\x15\x77\x50\x27\xec\xce\x66\xfd\x79\x2b\xbf\x0e" "\x5b\xf5\xff\x1b\x08\x16\xf3\xf6\xdb\x1c\x00\x01\x00\x00\x00\x00\x00" "\x00\x00\x49\x74\x00\x00\x00\x00\x00\x00\x00\x06\xad\x8e\x5e\xcc\x32" "\x6d\x3a\x09\xff\xc2\xc6\x54", 126); syscall(__NR_bind, r[0], 0x20000080ul, 0x80ul); *(uint32_t*)0x20000000 = 0x14; res = syscall(__NR_getsockname, r[0], 0x20000340ul, 0x20000000ul); if (res != -1) r[1] = *(uint32_t*)0x20000344; res = syscall(__NR_socket, 0x10ul, 3ul, 0); if (res != -1) r[2] = res; *(uint64_t*)0x20000040 = 0; *(uint32_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 0x20000100; *(uint64_t*)0x20000100 = 0x20000400; memcpy((void*)0x20000400, "\x4c\x01\x00\x00\x24\x00\x0b\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 20); *(uint32_t*)0x20000414 = r[1]; memcpy((void*)0x20000418, "\x00\x00\x00\x00\xff\xff\xff\xff\x00\x00\x00\x00\x0a\x00\x01\x00\x63" "\x68\x6f\x6b\x65\x00\x00\x00\x1c\x01\x02\x00\x14\x00\x01\x00\xff\x07" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x04\x01\x02", 51); *(uint64_t*)0x20000108 = 0x14c; *(uint64_t*)0x20000058 = 1; *(uint64_t*)0x20000060 = 0; *(uint64_t*)0x20000068 = 0; *(uint32_t*)0x20000070 = 0; syscall(__NR_sendmsg, r[2], 0x20000040ul, 0ul); return 0; }