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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-06-13 11:48:14 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-01 14:33:45 +0300 |
| commit | 807bcc9a1e34e8c112eb9cb067bc70bfc1ff1379 (patch) | |
| tree | 02a5e0b501994eace46c0fc762cf6b1f94a5249a /libavcodec | |
| parent | c25bfbe37db9b356988b1ccd9154352f66652eea (diff) | |
avcodec/iff: Fix off by x error
Fixes: out of array access
Fixes: 23245/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5723121327013888.fuzz
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 51225dee0a6266780d26d43bd6802bbcf736327e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/iff.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/iff.c b/libavcodec/iff.c index f094b4b548..6ec2dd60ad 100644 --- a/libavcodec/iff.c +++ b/libavcodec/iff.c @@ -723,7 +723,7 @@ static void decode_deep_rle32(uint8_t *dst, const uint8_t *src, int src_size, in if (opcode >= 0) { int size = opcode + 1; for (i = 0; i < size; i++) { - int length = FFMIN(size - i, width); + int length = FFMIN(size - i, width - x); if (src_end - src < length * 4) return; memcpy(dst + y*linesize + x * 4, src, length * 4); |