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Joseph Qi authored
Ocfs2 cluster size may be 1MB, which has 20 bits. When resize, the input new clusters is mostly the number of clusters in a group descriptor(32256). Since the input clusters is defined as type int, so it will overflow when shift left 20 bits and then lead to incorrect global bitmap i_size. Signed-off-by:
Joseph Qi <joseph.qi@huawei.com> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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