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ext4: include terminating u32 in size of xattr entries when expanding…
… inodes commit a805622a757b6d7f65def4141d29317d8e37b8a1 upstream. In ext4_expand_extra_isize_ea(), we calculate the total size of the xattr header, plus the xattr entries so we know how much of the beginning part of the xattrs to move when expanding the inode extra size. We need to include the terminating u32 at the end of the xattr entries, or else if there is uninitialized, non-zero bytes after the xattr entries and before the xattr values, the list of xattr entries won't be properly terminated. Reported-by: Steve Graham <[email protected]> Signed-off-by: Theodore Ts'o <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
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