From: Pan Bian
In function sami_paragraph_to_ass(), the return value of av_strdup() is
not checked. To avoid potential NULL dereference, the return value
should be checked against NULL.
Signed-off-by: Pan Bian
---
libavcodec/samidec.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a
dereference.
Signed-off-by: Pan Bian
---
fftools/ffmpeg_opt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fftools/ffmpeg_opt.c b/fftools/ffmpeg_opt.c
index 9445a2d..7e51c5a 100644
--- a/fftools/ffmpeg_opt.c
+++ b/fftools/ffmpeg_opt.c
@@ -2000,6 +2000,8 @@ static int read_ffserver_streams
The function avformat_new_stream() returns a NULL pointer on failure.
However, in function rtp_mpegts_write_header(), its return value is not
validated before it is dereferenced. Check the return value against NULL
to avoid potential NULL dereference.
Signed-off-by: Pan Bian
---
libavformat
In function process_output_surface(), the return value is 0 on the path
that av_mallocz() returns a NULL pointer. 0 indicates success, which
deviates from the fact. Return "AVERROR(ENOMEM)" instead of "0".
Signed-off-by: Pan Bian
---
libavcodec/nvenc.c | 4 +++-
1 file c
In function mov_read_custom(), it returns 0 on the path that av_malloc()
returns a NULL pointer. 0 indicates success. An error code should be
assigned to ret.
Signed-off-by: Pan Bian
---
libavformat/mov.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavformat/mov.c b
On some failure paths, the error code is not correctly set.
Signed-off-by: Pan Bian
---
libavformat/mov.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index d25071b..bbf550f 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4895,6 +4895,7
When the call to get_bits_left() fails, the return value is not an
negative error code. This patch explicitly assignes an error code to the
return variable ret.
Signed-off-by: Pan Bian
---
libavcodec/hevc_ps.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/hevc_ps.c b/libavcodec
In function sami_paragraph_to_ass(), the return value of av_strdup() is
not checked. To avoid potential NULL dereference, the return value
should be checked against NULL.
Signed-off-by: Pan Bian
---
V2: fix patcheck warnings
---
libavcodec/samidec.c | 3 +++
1 file changed, 3 insertions
The function avformat_new_stream() returns a NULL pointer on failure.
However, in function rtp_mpegts_write_header(), its return value is not
validated before it is dereferenced. Check the return value against NULL
to avoid potential NULL dereference.
Signed-off-by: Pan Bian
---
V2: fix patcheck
The function avformat_new_stream() returns a NULL pointer on failure.
However, in function rtp_mpegts_write_header(), its return value is not
validated before it is dereferenced. Check the return value against NULL
to avoid potential NULL dereference.
Signed-off-by: Pan Bian
---
V2: fix patcheck
In function ff_mpeg_ref_picture(), it returns 0 on the error path that
the return value of av_buffer_ref() is NULL. 0 indicates success, which
seems to deviate from the fact. Set ret to AVERROR(ENOMEM) to propagate
the error status to the callers.
Signed-off-by: Pan Bian
---
libavcodec
In function query_formats(), it incorrectly returns 0 when the function
ff_all_channel_counts() returns a NULL pointer (the check of variable
ret before the NULL check guarantees that the return value is not
negative).
Signed-off-by: Pan Bian
---
libavfilter/avf_ahistogram.c | 8 +---
1
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