OSDN Git Service
(root)
/
android-x86
/
external-ffmpeg.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
d9051f8
)
avcodec/aacdec_fixed: Fix multiple shift exponent 33 is too large for 32-bit type...
author
Michael Niedermayer
<michael@niedermayer.cc>
Thu, 11 May 2017 13:13:53 +0000
(15:13 +0200)
committer
Michael Niedermayer
<michael@niedermayer.cc>
Thu, 11 May 2017 13:51:08 +0000
(15:51 +0200)
Fixes: 1471/clusterfuzz-testcase-minimized-
6376460543590400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/aacdec_fixed.c
patch
|
blob
|
history
diff --git
a/libavcodec/aacdec_fixed.c
b/libavcodec/aacdec_fixed.c
index
e3c68a9
..
9580370
100644
(file)
--- a/
libavcodec/aacdec_fixed.c
+++ b/
libavcodec/aacdec_fixed.c
@@
-171,7
+171,11
@@
static void subband_scale(int *dst, int *src, int scale, int offset, int len)
s = offset - (s >> 2);
- if (s > 0) {
+ if (s > 31) {
+ for (i=0; i<len; i++) {
+ dst[i] = 0;
+ }
+ } else if (s > 0) {
round = 1 << (s-1);
for (i=0; i<len; i++) {
out = (int)(((int64_t)src[i] * c) >> 32);