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| author | Anton Khirnov <anton@khirnov.net> | 2013-01-08 08:04:59 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-01-13 16:31:17 +0100 |
| commit | 49dc82eef776634ac2da41fca9f105df25129ad8 (patch) | |
| tree | c2b9a38738c8bd189163475337f674e76912e051 /libavdevice | |
| parent | 838b849e70f11dc242399da8d19c5795fe90913b (diff) | |
| download | ffmpeg-49dc82eef776634ac2da41fca9f105df25129ad8.tar.gz | |
v4l2: do not assert on a value received from outside of Libav
Diffstat (limited to 'libavdevice')
| -rw-r--r-- | libavdevice/v4l2.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c index eb5de151f3..d57bd755d5 100644 --- a/libavdevice/v4l2.c +++ b/libavdevice/v4l2.c @@ -460,7 +460,12 @@ static int mmap_read_frame(AVFormatContext *ctx, AVPacket *pkt) return AVERROR(errno); } - assert (buf.index < s->buffers); + + if (buf.index >= s->buffers) { + av_log(ctx, AV_LOG_ERROR, "Invalid buffer index received.\n"); + return AVERROR(EINVAL); + } + if (s->frame_size > 0 && buf.bytesused != s->frame_size) { av_log(ctx, AV_LOG_ERROR, "The v4l2 frame is %d bytes, but %d bytes are expected\n", |