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commit dea15155ad6e81d6d8c99e34ef67dba2a17825f7 Author: Michael Niedermayer <[email protected]> AuthorDate: Fri May 1 16:35:51 2026 +0200 Commit: Michael Niedermayer <[email protected]> CommitDate: Tue May 5 16:03:30 2026 +0200 swscale/swscale_unscaled: adjust last line copy Fixes: out of array access Fixes: DFVULN-694 *Reporter: Zhenpeng (Leo) Lin at depthfirst* Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 43a0715e303b0fe3101b05e808a7f7e5da6f7c10) Signed-off-by: Michael Niedermayer <[email protected]> --- libswscale/swscale_unscaled.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c index c84b1f288d..112d399cc3 100644 --- a/libswscale/swscale_unscaled.c +++ b/libswscale/swscale_unscaled.c @@ -126,9 +126,13 @@ static void copyPlane(const uint8_t *src, int srcStride, int srcSliceY, int srcSliceH, int width, uint8_t *dst, int dstStride) { + if (!srcSliceH) + return; + av_assert0(srcSliceH > 0); + dst += dstStride * srcSliceY; if (dstStride == srcStride && srcStride > 0) { - memcpy(dst, src, srcSliceH * dstStride); + memcpy(dst, src, (srcSliceH - 1) * dstStride + width); } else { int i; for (i = 0; i < srcSliceH; i++) { _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
