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commit e22bdd9e04730b10401e3877c43601779f6a93f9 Author: Michael Niedermayer <[email protected]> AuthorDate: Thu Jun 4 21:42:47 2026 +0200 Commit: Michael Niedermayer <[email protected]> CommitDate: Sun Jun 14 04:59:11 2026 +0200 avcodec/adpcm: fix signed integer overflow in get_nb_samples() Fixes: signed integer overflow: 314572800 * 8 cannot be represented in type 'int' Tighten the guard to INT_MAX/14, which covers the largest expansion factor used in the function currently. Found-by: Jiale Yao <[email protected]> Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 04e2341056bc6f280d93810fd000e057bee0d3a4) Signed-off-by: Michael Niedermayer <[email protected]> --- libavcodec/adpcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 49d4c6dd6f..53685a4931 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1037,7 +1037,7 @@ static int get_nb_samples(AVCodecContext *avctx, GetByteContext *gb, if(ch <= 0) return 0; - if (buf_size > INT_MAX / 2) + if (buf_size > INT_MAX / 14) return 0; switch (avctx->codec->id) { _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
