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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-19 15:09:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-17 20:35:19 +0200 |
| commit | 5cfd259820fe4b644917fcbddbc2a89f6b5a6122 (patch) | |
| tree | 231e61461fd6a7ade7ed83ff2c62e49a028c0370 | |
| parent | d5cdae9e357b4078e3aebc8417ccbe4d50de8379 (diff) | |
| download | ffmpeg-5cfd259820fe4b644917fcbddbc2a89f6b5a6122.tar.gz | |
avcodec/wavpacl: Fix runtime error: left shift of negative value -1
Fixes: 607/clusterfuzz-testcase-5108792465293312
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 12eebb845a7fe1ced91606547352cbdd93a2726d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavpack.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index b6022f0fa5..16fdfa158c 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -682,7 +682,7 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no, s->hybrid_bitrate = s->frame_flags & WV_HYBRID_BITRATE; s->post_shift = bpp * 8 - orig_bpp + ((s->frame_flags >> 13) & 0x1f); s->hybrid_maxclip = ((1LL << (orig_bpp - 1)) - 1); - s->hybrid_minclip = ((-1LL << (orig_bpp - 1))); + s->hybrid_minclip = ((-1UL << (orig_bpp - 1))); s->CRC = bytestream2_get_le32(&gb); // parse metadata blocks |