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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-03 16:04:48 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-04-03 19:27:21 +0200 |
| commit | da8c86dd8be244100da226a11b416c20d0c914d6 (patch) | |
| tree | a6e76741b77e977be48b02f621de112602c8dde4 /libavcodec/cfhd.h | |
| parent | 3b88c88fa1888c47b0767d84bfebf1fd656c7846 (diff) | |
avcodec/cfhd: Keep track of which subbands have been read
This avoids use of uninitialized data
also several checks are inside the band reading code
so it is important that it is run at least once
Fixes: out of array accesses
Fixes: 28209/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5684714694377472
Fixes: 32124/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-5425980681355264
Fixes: 30519/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CFHD_fuzzer-4558757155700736
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/cfhd.h')
| -rw-r--r-- | libavcodec/cfhd.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/cfhd.h b/libavcodec/cfhd.h index 4ec2a2ce8b..19e5c7cf03 100644 --- a/libavcodec/cfhd.h +++ b/libavcodec/cfhd.h @@ -114,6 +114,7 @@ typedef struct SubBand { int width; int a_height; int height; + int8_t read_ok; } SubBand; typedef struct Plane { |