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authorMichael Niedermayer <michael@niedermayer.cc>2023-01-11 18:59:16 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2023-03-27 13:37:20 +0200
commit8ed2948348673407c5e30662687ff445fc621c52 (patch)
tree894f857cb0e2487cc941ce4140dd8495b442a3f2 /libavcodec/x86/alacdsp.asm
parent9fc6586a007cdcd0689e42a88854abe727fcc9f4 (diff)
downloadffmpeg-8ed2948348673407c5e30662687ff445fc621c52.tar.gz
avcodec/utils: allocate a line more for VC1 and WMV3
Fixes: out of array read on 32bit Fixes: 54857/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1_fuzzer-5840588224462848 The chroma MC code reads over the currently allocated frame. Alternative fixes would be allocating a few bytes more at the end instead of a whole line extra or to adjust the threshold where the edge emu code is activated 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 01636a63d452c592ece35af6f72bb7affcad58f2) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/x86/alacdsp.asm')
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