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(parent: 44ff5a1) | patch
avcodec/exr: Check limits to avoid overflow in delta computation
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 16 Oct 2020 16:08:37 +0000 (18:08 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 20 Oct 2020 13:33:13 +0000 (15:33 +0200)
commit6910e0f4e5c40b5b902e4dd87256327d860d53f5
treecab5358a3ceebfd8f1d8d52699f4e079ce3c28e8tree | snapshot
parent44ff5a1bff424b1576dff366ccd246805b4e5567commit | diff
avcodec/exr: Check limits to avoid overflow in delta computation

Fixes: signed integer overflow: 553590816 - -2145378049 cannot be represented in type 'int'
Fixes: 26315/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5938755121446912
Fixes: 26340/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_EXR_fuzzer-5644316208529408
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/exr.c diff | blob | history
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