ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun May 10 21:12:22 2020 +0200| [8627885172cc54db95f86529d134308d4d095054] | committer: Michael Niedermayer
avcodec/ttadsp: Fix several integer overflows in tta_filter_process_c() Fixes: signed integer overflow: 1931744255 + 252497024 cannot be represented in type 'int' Fixes: 20492/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5763348114440192 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8627885172cc54db95f86529d134308d4d095054 --- libavcodec/ttadsp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavcodec/ttadsp.c b/libavcodec/ttadsp.c index 056a2c7ef1..1d1443aee0 100644 --- a/libavcodec/ttadsp.c +++ b/libavcodec/ttadsp.c @@ -20,9 +20,11 @@ #include "ttadsp.h" #include "config.h" -static void tta_filter_process_c(int32_t *qm, int32_t *dx, int32_t *dl, +static void tta_filter_process_c(int32_t *qmi, int32_t *dx, int32_t *dl, int32_t *error, int32_t *in, int32_t shift, int32_t round) { + uint32_t *qm = qmi; + if (*error < 0) { qm[0] -= dx[0]; qm[1] -= dx[1]; qm[2] -= dx[2]; qm[3] -= dx[3]; qm[4] -= dx[4]; qm[5] -= dx[5]; qm[6] -= dx[6]; qm[7] -= dx[7]; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
