[FFmpeg-cvslog] avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

2018-02-19 Thread Michael Niedermayer 
ffmpeg | branch: release/3.0 | Michael Niedermayer  | 
Tue Dec 26 23:24:44 2017 +0100| [6fab791daade82f85234312577782e202323db4d] | 
committer: Michael Niedermayer

avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

Fixes: signed integer overflow: 2 * 1629495328 cannot be represented in type 
'int'
Fixes: 4716/clusterfuzz-testcase-minimized-5835915940331520

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit 3d23f7a0969bf76ad6dcdc2c4a5cd3ae884745a8)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6fab791daade82f85234312577782e202323db4d
---

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

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index f552bbbdad..f95f795f5e 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -287,7 +287,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t 
*decoded,
 if (pred_order > 2)
 c = b - decoded[pred_order-2] + decoded[pred_order-3];
 if (pred_order > 3)
-d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - 
decoded[pred_order-4];
+d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - 
decoded[pred_order-4];
 
 switch (pred_order) {
 case 0:

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[FFmpeg-cvslog] avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

2018-01-31 Thread Michael Niedermayer 
ffmpeg | branch: release/2.8 | Michael Niedermayer  | 
Tue Dec 26 23:24:44 2017 +0100| [2a53778676d068456bf245126d15eeb6f537da9a] | 
committer: Michael Niedermayer

avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

Fixes: signed integer overflow: 2 * 1629495328 cannot be represented in type 
'int'
Fixes: 4716/clusterfuzz-testcase-minimized-5835915940331520

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit 3d23f7a0969bf76ad6dcdc2c4a5cd3ae884745a8)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2a53778676d068456bf245126d15eeb6f537da9a
---

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

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index a3bbb7a2ad..237a03a1d3 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -287,7 +287,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t 
*decoded,
 if (pred_order > 2)
 c = b - decoded[pred_order-2] + decoded[pred_order-3];
 if (pred_order > 3)
-d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - 
decoded[pred_order-4];
+d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - 
decoded[pred_order-4];
 
 switch (pred_order) {
 case 0:

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[FFmpeg-cvslog] avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

2018-01-30 Thread Michael Niedermayer 
ffmpeg | branch: release/3.4 | Michael Niedermayer  | 
Tue Dec 26 23:24:44 2017 +0100| [91f5a2b7b88aaba20800c5363aef49b14811b4c9] | 
committer: Michael Niedermayer

avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

Fixes: signed integer overflow: 2 * 1629495328 cannot be represented in type 
'int'
Fixes: 4716/clusterfuzz-testcase-minimized-5835915940331520

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit 3d23f7a0969bf76ad6dcdc2c4a5cd3ae884745a8)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=91f5a2b7b88aaba20800c5363aef49b14811b4c9
---

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

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index 5bbb8ee5b9..3d41a1af7f 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -298,7 +298,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t 
*decoded,
 if (pred_order > 2)
 c = b - decoded[pred_order-2] + decoded[pred_order-3];
 if (pred_order > 3)
-d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - 
decoded[pred_order-4];
+d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - 
decoded[pred_order-4];
 
 switch (pred_order) {
 case 0:

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[FFmpeg-cvslog] avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

2018-01-08 Thread Michael Niedermayer 
ffmpeg | branch: release/3.2 | Michael Niedermayer  | 
Tue Dec 26 23:24:44 2017 +0100| [ab0e4b5b51fc649655ee74aed2748e682b6bacaa] | 
committer: Michael Niedermayer

avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

Fixes: signed integer overflow: 2 * 1629495328 cannot be represented in type 
'int'
Fixes: 4716/clusterfuzz-testcase-minimized-5835915940331520

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer 
(cherry picked from commit 3d23f7a0969bf76ad6dcdc2c4a5cd3ae884745a8)
Signed-off-by: Michael Niedermayer 

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ab0e4b5b51fc649655ee74aed2748e682b6bacaa
---

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

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index f552bbbdad..f95f795f5e 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -287,7 +287,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t 
*decoded,
 if (pred_order > 2)
 c = b - decoded[pred_order-2] + decoded[pred_order-3];
 if (pred_order > 3)
-d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - 
decoded[pred_order-4];
+d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - 
decoded[pred_order-4];
 
 switch (pred_order) {
 case 0:

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[FFmpeg-cvslog] avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

2017-12-28 Thread Michael Niedermayer 
ffmpeg | branch: master | Michael Niedermayer  | Tue 
Dec 26 23:24:44 2017 +0100| [3d23f7a0969bf76ad6dcdc2c4a5cd3ae884745a8] | 
committer: Michael Niedermayer

avcodec/flacdec: Fix overflow in multiplication in decode_subframe_fixed()

Fixes: signed integer overflow: 2 * 1629495328 cannot be represented in type 
'int'
Fixes: 4716/clusterfuzz-testcase-minimized-5835915940331520

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=3d23f7a0969bf76ad6dcdc2c4a5cd3ae884745a8
---

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

diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index 64bea76f98..c8eb456049 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -302,7 +302,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t 
*decoded,
 if (pred_order > 2)
 c = b - decoded[pred_order-2] + decoded[pred_order-3];
 if (pred_order > 3)
-d = c - decoded[pred_order-2] + 2*decoded[pred_order-3] - 
decoded[pred_order-4];
+d = c - decoded[pred_order-2] + 2U*decoded[pred_order-3] - 
decoded[pred_order-4];
 
 switch (pred_order) {
 case 0:

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