| Message ID | 20230326222642.2489-3-michael@niedermayer.cc |
|---|---|
| State | Accepted |
| Commit | 6d1d8609ac1054017ea3d11b325ed94a1205e9fd |
| Headers | show |
| Series | [FFmpeg-devel,1/4] avcodec/wavarc: Fix several integer overflows | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
diff --git a/libavcodec/g729postfilter.c b/libavcodec/g729postfilter.c index f3cacbac05b..26e937f0baf 100644 --- a/libavcodec/g729postfilter.c +++ b/libavcodec/g729postfilter.c @@ -353,7 +353,7 @@ static int16_t long_term_filter(AudioDSPContext *adsp, int pitch_delay_int, if (tmp > 0) L_temp0 >>= tmp; else - L_temp1 >>= -tmp; + L_temp1 >>= FFMIN(-tmp, 31); /* Check if longer filter increases the values of R'(k). */ if (L_temp1 > L_temp0) {
Fixes: shift exponent 34 is too large for 32-bit type 'int' Fixes: 57389/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ACELP_KELVIN_fuzzer-6229522659016704 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libavcodec/g729postfilter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)