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authorYou-Cheng Syu <youcheng@google.com>2019-02-27 15:29:15 +0800
committerPatrick Georgi <pgeorgi@google.com>2019-02-28 13:56:26 +0000
commit5ec1d24974de8280a615047804bdfa73720777c8 (patch)
treead5dca182b1ffa2702a40357d6769509d5c8927b /src
parent08087a3e8af00e423fe8df02ac658fb6a1f31f45 (diff)
libpayload: cbfs: Require input size and output size for cbfs_decompress
Currently, cbfs_decompress() calls ulzma() and ulz4f() for LZMA/LZ4 decompression. These two functions don't accept input/output size as parameters. We can make cbfs_decompress more robust by calling ulzman() and ulz4fn() instead. This could prevent us from overflowing destination buffer. BUG=none BRANCH=none TEST=boot into kernel on Kukui with COMPRESSED_PAYLOAD_LZMA / COMPRESSED_PAYLOAD_LZ4. Change-Id: Ibe617825bd000ed618791d8e3c5f65bbbd5f7e33 Signed-off-by: You-Cheng Syu <youcheng@google.com> Reviewed-on: https://review.coreboot.org/c/31606 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
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