PR #24864 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24864 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24864.patch
Fixes: memory leak Found during review of the security report H4m9FuNqTLv6 >From 02c698fea9c3ae31c14dc3ddf4c25a8f9f746206 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <[email protected]> Date: Sat, 3 Oct 2026 19:09:04 +0200 Subject: [PATCH] avfilter/vf_minterpolate: free the sub-blocks of all 4 sub-blocks Fixes: memory leak Found during review of the security report H4m9FuNqTLv6 --- libavfilter/vf_minterpolate.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/libavfilter/vf_minterpolate.c b/libavfilter/vf_minterpolate.c index fa63dc4a37..c996713553 100644 --- a/libavfilter/vf_minterpolate.c +++ b/libavfilter/vf_minterpolate.c @@ -1208,12 +1208,12 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *avf_in) return 0; } -static av_cold void free_blocks(Block *block, int sb) +static av_cold void free_blocks(Block *block) { if (block->subs) - free_blocks(block->subs, 1); - if (sb) - av_freep(&block); + for (int i = 0; i < 4; i++) + free_blocks(&block->subs[i]); + av_freep(&block->subs); } static av_cold void uninit(AVFilterContext *ctx) @@ -1226,7 +1226,7 @@ static av_cold void uninit(AVFilterContext *ctx) av_freep(&mi_ctx->pixel_refs); if (mi_ctx->int_blocks) for (m = 0; m < mi_ctx->b_count; m++) - free_blocks(&mi_ctx->int_blocks[m], 0); + free_blocks(&mi_ctx->int_blocks[m]); av_freep(&mi_ctx->int_blocks); for (i = 0; i < NB_FRAMES; i++) { -- 2.52.0 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
