// https://syzkaller.appspot.com/bug?id=8189a15c1ea77fd0cdebcaa1b3bb1580eaea08b0 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(SYS_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul, /*flags=*/0x1012ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; res = syscall(SYS_socket, /*domain=*/0x1cul, /*type=*/2ul, /*proto=*/0); if (res != -1) r[0] = res; *(uint32_t*)0x200001c0 = 0; syscall(SYS_setsockopt, /*fd=*/r[0], /*level=*/0x29, /*optname=*/0x1b, /*optval=*/0x200001c0ul, /*optlen=*/4ul); res = syscall(SYS_dup, /*oldfd=*/r[0]); if (res != -1) r[1] = res; *(uint8_t*)0x200006c0 = 0x1c; *(uint8_t*)0x200006c1 = 0x1c; *(uint16_t*)0x200006c2 = htobe16(0x4e22); *(uint32_t*)0x200006c4 = 0; *(uint64_t*)0x200006c8 = htobe64(0); *(uint64_t*)0x200006d0 = htobe64(1); *(uint32_t*)0x200006d8 = 0; syscall(SYS_sendto, /*fd=*/r[1], /*buf=*/0ul, /*len=*/0ul, /*f=*/0ul, /*addr=*/0x200006c0ul, /*addrlen=*/0x1cul); *(uint8_t*)0x20000100 = 0x1c; *(uint8_t*)0x20000101 = 0x1c; *(uint16_t*)0x20000102 = htobe16(0x4e23); *(uint32_t*)0x20000104 = 0; memset((void*)0x20000108, 0, 10); memset((void*)0x20000112, 255, 2); *(uint32_t*)0x20000114 = htobe32(0xe0000002); *(uint32_t*)0x20000118 = 0; syscall(SYS_sendto, /*fd=*/r[1], /*buf=*/0ul, /*len=*/0ul, /*f=*/0ul, /*addr=*/0x20000100ul, /*addrlen=*/0x1cul); return 0; }