// https://syzkaller.appspot.com/bug?id=a7e7703f43319750ed88a5c0d930d283b51f4e77 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x32ul, -1, 0); intptr_t res = 0; res = syscall(__NR_socket, 0x10ul, 3ul, 0ul); if (res != -1) r[0] = res; *(uint64_t*)0x20000000 = 0; *(uint32_t*)0x20000008 = 0; *(uint64_t*)0x20000010 = 0x20000140; *(uint64_t*)0x20000140 = 0x20000040; memcpy((void*)0x20000040, "\x3c\x00\x00\x00\x10\x00\x01\x04\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00", 20); *(uint32_t*)0x20000054 = -1; memcpy((void*)0x20000058, "\x19\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x12\x00" "\x0c\x00\x01\x00\x62\x72\x69\x64\x67\x65\x00\x00" "\x0c\x00\x02\x00\x08\x00\x05\x00\x01\x00\x00\x00", 36); *(uint64_t*)0x20000148 = 0x3c; *(uint64_t*)0x20000018 = 1; *(uint64_t*)0x20000020 = 0; *(uint64_t*)0x20000028 = 0; *(uint32_t*)0x20000030 = 0; syscall(__NR_sendmsg, r[0], 0x20000000ul, 0ul); res = syscall(__NR_socket, 0x10ul, 3ul, 0ul); if (res != -1) r[1] = res; *(uint64_t*)0x20000140 = 0; *(uint32_t*)0x20000148 = 0x3b7; *(uint64_t*)0x20000150 = 0x20000000; *(uint64_t*)0x20000000 = 0x200000c0; memcpy((void*)0x200000c0, "\x3c\x00\x00\x00\x10\x00\x81\x05\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00", 20); *(uint32_t*)0x200000d4 = -1; memcpy((void*)0x200000d8, "\x0d\x2f\x25\xd1\x00\x00\x00\x00\x14\x00\x12\x00" "\x0c\x00\x01\x00\x69\x70\x76\x6c\x61\x6e\x00\x00" "\x00\x00\x02\x00\x08\x00\x05\x00", 32); *(uint32_t*)0x200000f8 = -1; *(uint64_t*)0x20000008 = 0x3c; *(uint64_t*)0x20000158 = 1; *(uint64_t*)0x20000160 = 0; *(uint64_t*)0x20000168 = 0; *(uint32_t*)0x20000170 = 0; syscall(__NR_sendmsg, r[1], 0x20000140ul, 0ul); return 0; }