// https://syzkaller.appspot.com/bug?id=5e749521425ff6ba54d4befae0693c3a96840f5b // 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=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-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=*/3ul, /*proto=*/0); if (res != -1) r[0] = res; *(uint64_t*)0x200000000000 = 0; *(uint32_t*)0x200000000008 = 0; *(uint64_t*)0x200000000010 = 0x2000000000c0; *(uint64_t*)0x2000000000c0 = 0x200000000300; memcpy((void*)0x200000000300, "\x4c\x00\x00\x00\x18\x00\x01\x0d\x00\x00\x00\x00\x00\x00\x00\x85\x0a" "\x00\x87\x00\x00\x00\x00\x00\x05\x00\x00\x00\x14\x00\x05\x00\x20\x01" "\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x1c\x00\x09" "\x00\x08\x00\x00\x00", 56); *(uint64_t*)0x2000000000c8 = 0x4c; *(uint64_t*)0x200000000018 = 1; *(uint64_t*)0x200000000020 = 0; *(uint64_t*)0x200000000028 = 0; *(uint32_t*)0x200000000030 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200000000000ul, /*f=*/0ul); return 0; }