Message ID | 20231224232624.30355-3-michael@niedermayer.cc |
---|---|
State | Accepted |
Commit | e4d2666bdc3dbd177a81bbf428654a5f2fa3787a |
Headers | show |
Series | [FFmpeg-devel,1/4] avfilter/af_stereowiden: Round length to nearest | expand |
Context | Check | Description |
---|---|---|
yinshiyou/make_loongarch64 | success | Make finished |
yinshiyou/make_fate_loongarch64 | success | Make fate finished |
andriy/make_x86 | success | Make finished |
andriy/make_fate_x86 | success | Make fate finished |
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c index a71a68ecc16..e8d9cae8286 100644 --- a/libavfilter/vf_gradfun.c +++ b/libavfilter/vf_gradfun.c @@ -92,7 +92,7 @@ static void filter(GradFunContext *ctx, uint8_t *dst, const uint8_t *src, int wi for (y = 0; y < r; y++) ctx->blur_line(dc, buf + y * bstride, buf + (y - 1) * bstride, src + 2 * y * src_linesize, src_linesize, width / 2); for (;;) { - if (y < height - r) { + if (y + 1 < height - r) { int mod = ((y + r) / 2) % r; uint16_t *buf0 = buf + mod * bstride; uint16_t *buf1 = buf + (mod ? mod - 1 : r - 1) * bstride;
The code works in steps of 2 lines and lacks support for odd height Implementing odd height support is better but for now this fixes the out of array access Fixes: out of array access Fixes: tickets/10702/poc6ffmpe Found-by: Zeng Yunxiang Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavfilter/vf_gradfun.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)