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commit 2ab23ec7295f3e6f71695467d00dba504dc3843c Author: Michael Niedermayer <[email protected]> AuthorDate: Tue Feb 10 20:47:25 2026 +0100 Commit: Michael Niedermayer <[email protected]> CommitDate: Mon Feb 23 23:50:49 2026 +0100 avcodec/interplayacm: Check input for fill_block() Fixes: Timeout Fixes: 476763877/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_INTERPLAY_ACM_fuzzer-4515681843609600 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/interplayacm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/interplayacm.c b/libavcodec/interplayacm.c index 2d940b903b..cd2e6faa67 100644 --- a/libavcodec/interplayacm.c +++ b/libavcodec/interplayacm.c @@ -437,6 +437,9 @@ static int fill_block(InterplayACMContext *s) unsigned i, ind; int ret; + if (get_bits_left(gb) < s->cols * 5) + return AVERROR_INVALIDDATA; + for (i = 0; i < s->cols; i++) { ind = get_bits(gb, 5); ret = filler_list[ind](s, ind, i); _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
