diff options
| author | Mark Adler <fork@madler.net> | 2022-07-30 22:51:11 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2023-01-24 22:27:50 +0000 |
| commit | e59d10aff6edc088850be553252020230a560514 (patch) | |
| tree | 10895cfee849e38681ec3f4b493ba412fdb85253 | |
| parent | 9597624d82c7ebd845c11bf4c7e27d6bbf42dd96 (diff) | |
| -rw-r--r-- | sys/contrib/zlib/inflate.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/contrib/zlib/inflate.c b/sys/contrib/zlib/inflate.c index ac333e8c2eda..cd018573dee8 100644 --- a/sys/contrib/zlib/inflate.c +++ b/sys/contrib/zlib/inflate.c @@ -759,8 +759,9 @@ int flush; if (copy > have) copy = have; if (copy) { if (state->head != Z_NULL && - state->head->extra != Z_NULL) { - len = state->head->extra_len - state->length; + state->head->extra != Z_NULL && + (len = state->head->extra_len - state->length) < + state->head->extra_max) { zmemcpy(state->head->extra + len, next, len + copy > state->head->extra_max ? state->head->extra_max - len : copy); |