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Code Issues Releases Activity

avcodec/jpeglsdec: Check get_ur_golomb_jpegls() for error

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Fixes: Timeout
Fixes: Invalid shift
Fixes: 44548/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEGLS_fuzzer-556487680891289
Fixes: 44569/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AMV_fuzzer-6302543246917632
Fixes: 44570/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-4550196556595200
Fixes: 44592/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MJPEG_fuzzer-5651610385121280
Fixes: 44571/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5094698987945984
Fixes: 44607/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5341352013987840

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-02-12 22:02:13 +01:00
parent 8ee0e4abcb
commit 151f83584e
1 changed files with 2 additions and 0 deletions
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2
libavcodec/jpeglsdec.c
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@ -200,6 +200,8 @@ static inline int ls_get_code_runterm(GetBitContext *gb, JLSState *state,
#endif
ret = get_ur_golomb_jpegls(gb, k, state->limit - limit_add - 1,
state->qbpp);
if (ret < 0)
return -0x10000;
/* decode mapped error */
map = 0;