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(parent: 2d465a4) | patch
libavcodec/wmalosslessdec: prevent sum of positive numbers from becoming negative
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 9 Feb 2020 17:09:24 +0000 (18:09 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 2 May 2020 15:29:23 +0000 (17:29 +0200)
commit62e4003780cad60ac1371fef892da08c27069964
treebb5eed9e10c01aba3dd80ee4cdeae5b26ded738dtree | snapshot
parent2d465a401dd790e2ca126ecb9cbda43f898a492fcommit | diff
libavcodec/wmalosslessdec: prevent sum of positive numbers from becoming negative

Fixes: left shift of negative value -8321365
Fixes: 20506/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-4798062906310656
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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