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From: Eslam Samy via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>
To: ffmpeg-devel@ffmpeg.org
Cc: Eslam Samy <eslamsamy226@yahoo.com>
Subject: [FFmpeg-devel] [PATCH] avcodec/v4l2_m2m: Fix segmentation fault due to a missing NULL check in v4l2_context.c
Date: Tue, 18 Feb 2025 13:24:14 +0200
Message-ID: <20250218112414.142222-1-eslamsamy226@yahoo.com> (raw)
In-Reply-To: <20250218112414.142222-1-eslamsamy226.ref@yahoo.com>

---
 libavcodec/v4l2_context.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/v4l2_context.c b/libavcodec/v4l2_context.c
index be1df3785b..ea11a689bc 100644
--- a/libavcodec/v4l2_context.c
+++ b/libavcodec/v4l2_context.c
@@ -329,7 +329,7 @@ start:
         /* if we are trying to get free buffers but none have been queued yet,
          * or if no buffers have been allocated yet, no need to raise a warning
          */
-        if (timeout == 0) {
+        if ((timeout == 0) && (ctx->buffers != NULL)) {
             if (!ctx->buffers)
                 return NULL;
 
-- 
2.43.0

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       reply	other threads:[~2025-02-18 11:24 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20250218112414.142222-1-eslamsamy226.ref@yahoo.com>
2025-02-18 11:24 ` Eslam Samy via ffmpeg-devel [this message]
2025-02-18 11:27   ` Nicolas George
2025-02-18 11:46     ` Eslam Samy via ffmpeg-devel
2025-02-18 11:56       ` Nicolas George

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