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authorPhillip Lougher <phillip@lougher.demon.co.uk>2010-08-04 23:51:50 -0400
committerPhillip Lougher <phillip@lougher.demon.co.uk>2010-08-04 23:51:50 -0400
commitf3065f60ddfd4b5e34a412851d91d0cf27cdbf7e (patch)
tree08d77b60ee6ffa601d230d4b978a3dad03d8bd7c /fs/squashfs/Kconfig
parent79cb8ced7eef53856b5a877db0544acf52e00c80 (diff)
Squashfs: fix block size use in LZO decompressor
Sizing the buffer using block size alone is incorrect leading to a potential buffer over-run on 4K block size file systems (because the metadata block size is always 8K). Srclength is set to the maximum expected size of the decompressed block and it is block_size or 8K depending on whether a data or metadata block is being decompressed. Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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