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avcodec/wmalosslessdec: Fixes undefined overflow in dequantization in decode_subframe()
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 29 Nov 2019 21:45:07 +0000 (22:45 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 31 Dec 2019 17:43:50 +0000 (18:43 +0100)
commit53efab44a9d0971c6c12d9b3d1af855ca863c847
tree1f597f6968cc7aeceb21887ebb5b0072ab96f2d6tree | snapshot
parentaea67556116330d3151e4cd3ef1e266b5d90f388commit | diff
avcodec/wmalosslessdec: Fixes undefined overflow in dequantization in decode_subframe()

Fixes: signed integer overflow: 47875596 * 45 cannot be represented in type 'int'
Fixes: 19082/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5687766512041984
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/wmalosslessdec.c diff | blob | history
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