// https://syzkaller.appspot.com/bug?id=2668718853a3764ffe6976db2451c75e34780d67 // 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, 0x20000000, 0x1000000, 3, 0x32, -1, 0); long res = 0; memcpy((void*)0x20000080, "\x73\x74\x61\x74\x09\xc0\xd2\xfe\xbc\xf9\xdf\x2d\xea\xc8\xc1\x77\xff" "\x17\x12\x48\xe9\x11\x93\x51\x30\x49\xf8\x31\x55\x0d\x6f\x7d\xe6\x6c" "\xf6\x37\xbd\xbf\x13\x11\x92\x0c\x8a\x26\xed\xa4\xdc\xc3\x78\x3f\x9d" "\xb5\x11\x6b\x34\xd3\x1b\x05\x12\xa5\x60\x8a\xaf\xf0\x1e\x79\x52\x34" "\x0c\xd6\xfd\x00\x00\x00\x00", 75); res = syscall(__NR_openat, 0xffffff9c, 0x20000080, 0x275a, 0); if (res != -1) r[0] = res; memcpy((void*)0x20000000, "./file0", 8); res = syscall(__NR_creat, 0x20000000, 0); if (res != -1) r[1] = res; syscall(__NR_fallocate, r[1], 0, 0x31, 0xfff); syscall(__NR_fallocate, r[0], 0, 0, 0x10001); *(uint32_t*)0x20000040 = 0; *(uint32_t*)0x20000044 = r[1]; *(uint64_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 0xfffffff9; *(uint64_t*)0x20000058 = 0; *(uint64_t*)0x20000060 = 0; syscall(__NR_ioctl, r[0], 0xc028660f, 0x20000040); syscall(__NR_fadvise64, r[0], 0, 5, 5); return 0; }