fix issue 5921623844651008

ossfuzz managed to create a scenario which triggers an `assert`. This fixes it, by giving +1 more space for the backward search pass.
2024-02-06 13:01:14 -08:00
parent 06b5b37b8d
commit 22574d848d
2 changed files with 2 additions and 2 deletions
@@ -1196,7 +1196,7 @@ ZSTD_compressBlock_opt_generic(ZSTD_matchState_t* ms,
        /* check further positions */
        for (cur = 1; cur <= last_pos; cur++) {
            const BYTE* const inr = ip + cur;
-            assert(cur < ZSTD_OPT_NUM);
+            assert(cur <= ZSTD_OPT_NUM);
            DEBUGLOG(7, "cPos:%zi==rPos:%u", inr-istart, cur);

            /* Fix current position with one literal if cheaper */