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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-12 22:02:13 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-02-15 21:35:41 +0100 |
| commit | 151f83584eeb1912c8bdcd0c1ab1296e8664a0de (patch) | |
| tree | 2bebccdb6a611c276668a4d4615ad9538bbf47dc /libavcodec/jpeglsdec.c | |
| parent | 8ee0e4abcb8af36cae4eb24d4d6229461c1e3333 (diff) | |
avcodec/jpeglsdec: Check get_ur_golomb_jpegls() for error
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>
Diffstat (limited to 'libavcodec/jpeglsdec.c')
| -rw-r--r-- | libavcodec/jpeglsdec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c index 6ca723f797..76fe6f3636 100644 --- a/libavcodec/jpeglsdec.c +++ b/libavcodec/jpeglsdec.c @@ -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; |