// https://syzkaller.appspot.com/bug?id=b5db7a818b994e0f3e4be44b44dd4ff2b8c69da4 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x3ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x400000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x400001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=SOCK_DGRAM|0x1*/ 3ul, /*proto=*/0x10); if (res != -1) r[0] = res; *(uint64_t*)0x400000000a40 = 0; *(uint32_t*)0x400000000a48 = 0; *(uint64_t*)0x400000000a50 = 0x4000000004c0; *(uint64_t*)0x4000000004c0 = 0x400000000980; memcpy((void*)0x400000000980, "\x14\x00\x00\x00\x16\x00\x0b\x63\xd2\x5a\x80\x64\x8c\x25\x94\xf9\x01" "\x24\xfc\x60", 20); *(uint64_t*)0x4000000004c8 = 0x14; *(uint64_t*)0x400000000a58 = 1; *(uint64_t*)0x400000000a60 = 0; *(uint64_t*)0x400000000a68 = 0; *(uint32_t*)0x400000000a70 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x400000000a40ul, /*f=*/0ul); return 0; }