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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-02-19 15:09:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:16 +0200 |
| commit | 42ff6897cae801ed7feb3ce1712596a1d09eb940 (patch) | |
| tree | 343b384a14755f313f85761e37b6d204cabe6714 | |
| parent | 9ebbce5113d9d2eb8e323d0c62adf18a4d913712 (diff) | |
| download | ffmpeg-42ff6897cae801ed7feb3ce1712596a1d09eb940.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 554367b32f..1e3cdc46a7 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -680,7 +680,7 @@ 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 |