Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
 help / color / mirror / Atom feed
From: Zhao Zhili via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Zhao Zhili <code@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] avcodec/hevc: Fix invalid null pointer check (PR #20290)
Date: Wed, 20 Aug 2025 12:05:48 +0300 (EEST)
Message-ID: <20250820090548.4343A68D27A@ffbox0-bg.ffmpeg.org> (raw)

PR #20290 opened by Zhao Zhili (quink)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20290
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20290.patch

c5287178b4d added a null pointer check, but checked the wrong
variable. &s->cur_frame->f->data[c_idx] cannot be null.


From c9eb2d1e047e079f542bdd3a789594fbc4151001 Mon Sep 17 00:00:00 2001
From: Zhao Zhili <zhilizhao@tencent.com>
Date: Wed, 20 Aug 2025 09:46:47 +0100
Subject: [PATCH] avcodec/hevc: Fix invalid null pointer check

c5287178b4d added a null pointer check, but checked the wrong
variable. &s->cur_frame->f->data[c_idx] cannot be null.
---
 libavcodec/hevc/hevcdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/hevc/hevcdec.c b/libavcodec/hevc/hevcdec.c
index f44bda8a92..d3e5e58cfc 100644
--- a/libavcodec/hevc/hevcdec.c
+++ b/libavcodec/hevc/hevcdec.c
@@ -2096,7 +2096,7 @@ static void hls_prediction_unit(HEVCLocalContext *lc,
                                 int log2_cb_size, int partIdx, int idx)
 {
 #define POS(c_idx, x, y)                                                          \
-    &s->cur_frame->f->data[c_idx] ?                                               \
+    s->cur_frame->f->data[c_idx] ?                                                \
     &s->cur_frame->f->data[c_idx][((y) >> sps->vshift[c_idx]) * linesize[c_idx] + \
                            (((x) >> sps->hshift[c_idx]) << sps->pixel_shift)] : NULL
     const HEVCContext *const s = lc->parent;
-- 
2.49.1

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

                 reply	other threads:[~2025-08-20  9:05 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250820090548.4343A68D27A@ffbox0-bg.ffmpeg.org \
    --to=ffmpeg-devel@ffmpeg.org \
    --cc=code@ffmpeg.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
		ffmpegdev@gitmailbox.com
	public-inbox-index ffmpegdev

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git