[FFmpeg-cvslog] avcodec/vp8: Check for bitstream end before vp7_fade_frame()

2018-04-12 Thread Michael Niedermayer 
ffmpeg | branch: release/3.3 | Michael Niedermayer  | 
Sat Feb 17 04:20:52 2018 +0100| [2a85ead5a374f37bc52d716da9237f4e722dee58] | 
committer: Michael Niedermayer

avcodec/vp8: Check for bitstream end before vp7_fade_frame()

Fixes: Timeout
Fixes: 5653/clusterfuzz-testcase-5497680018014208

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit de675648cef7e451ca82fabaee0d8ec1fe653311)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a85ead5a374f37bc52d716da9237f4e722dee58
---

 libavcodec/vp8.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 5bf601a8ef..fd036538e0 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -606,6 +606,8 @@ static int vp7_decode_frame_header(VP8Context *s, const 
uint8_t *buf, int buf_si
 s->fade_present = vp8_rac_get(c);
 }
 
+if (c->end <= c->buffer && c->bits >= 0)
+return AVERROR_INVALIDDATA;
 /* E. Fading information for previous frame */
 if (s->fade_present && vp8_rac_get(c)) {
 if ((ret = vp7_fade_frame(s ,c)) < 0)

___
ffmpeg-cvslog mailing list
ffmpeg-cvslog@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog

[FFmpeg-cvslog] avcodec/vp8: Check for bitstream end before vp7_fade_frame()

2018-02-19 Thread Michael Niedermayer 
ffmpeg | branch: release/3.0 | Michael Niedermayer  | 
Sat Feb 17 04:20:52 2018 +0100| [010dd0d26e5abd3c244f6680eb3bb0f3370b48db] | 
committer: Michael Niedermayer

avcodec/vp8: Check for bitstream end before vp7_fade_frame()

Fixes: Timeout
Fixes: 5653/clusterfuzz-testcase-5497680018014208

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit de675648cef7e451ca82fabaee0d8ec1fe653311)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=010dd0d26e5abd3c244f6680eb3bb0f3370b48db
---

 libavcodec/vp8.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 7511f4dfc9..06d768a576 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -605,6 +605,8 @@ static int vp7_decode_frame_header(VP8Context *s, const 
uint8_t *buf, int buf_si
 s->fade_present = vp8_rac_get(c);
 }
 
+if (c->end <= c->buffer && c->bits >= 0)
+return AVERROR_INVALIDDATA;
 /* E. Fading information for previous frame */
 if (s->fade_present && vp8_rac_get(c)) {
 if ((ret = vp7_fade_frame(s ,c)) < 0)

___
ffmpeg-cvslog mailing list
ffmpeg-cvslog@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog

[FFmpeg-cvslog] avcodec/vp8: Check for bitstream end before vp7_fade_frame()

2018-02-18 Thread Michael Niedermayer 
ffmpeg | branch: release/2.8 | Michael Niedermayer  | 
Sat Feb 17 04:20:52 2018 +0100| [603d23ffebdd6891167ad6c439e27517e7227a9d] | 
committer: Michael Niedermayer

avcodec/vp8: Check for bitstream end before vp7_fade_frame()

Fixes: Timeout
Fixes: 5653/clusterfuzz-testcase-5497680018014208

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit de675648cef7e451ca82fabaee0d8ec1fe653311)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=603d23ffebdd6891167ad6c439e27517e7227a9d
---

 libavcodec/vp8.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index da28032d9f..3adecba2f0 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -605,6 +605,8 @@ static int vp7_decode_frame_header(VP8Context *s, const 
uint8_t *buf, int buf_si
 s->fade_present = vp8_rac_get(c);
 }
 
+if (c->end <= c->buffer && c->bits >= 0)
+return AVERROR_INVALIDDATA;
 /* E. Fading information for previous frame */
 if (s->fade_present && vp8_rac_get(c)) {
 if ((ret = vp7_fade_frame(s ,c)) < 0)

___
ffmpeg-cvslog mailing list
ffmpeg-cvslog@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog

[FFmpeg-cvslog] avcodec/vp8: Check for bitstream end before vp7_fade_frame()

2018-02-18 Thread Michael Niedermayer 
ffmpeg | branch: master | Michael Niedermayer  | Sat 
Feb 17 04:20:52 2018 +0100| [de675648cef7e451ca82fabaee0d8ec1fe653311] | 
committer: Michael Niedermayer

avcodec/vp8: Check for bitstream end before vp7_fade_frame()

Fixes: Timeout
Fixes: 5653/clusterfuzz-testcase-5497680018014208

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=de675648cef7e451ca82fabaee0d8ec1fe653311
---

 libavcodec/vp8.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 7f71a75e4b..62b9f8bc2d 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -656,6 +656,8 @@ static int vp7_decode_frame_header(VP8Context *s, const 
uint8_t *buf, int buf_si
 s->fade_present = vp8_rac_get(c);
 }
 
+if (c->end <= c->buffer && c->bits >= 0)
+return AVERROR_INVALIDDATA;
 /* E. Fading information for previous frame */
 if (s->fade_present && vp8_rac_get(c)) {
 if ((ret = vp7_fade_frame(s ,c)) < 0)

___
ffmpeg-cvslog mailing list
ffmpeg-cvslog@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog