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authorJan Kara <jack@suse.cz>2013-05-31 19:38:56 -0400
committerTheodore Ts'o <tytso@mit.edu>2013-05-31 19:38:56 -0400
commita60697f411eb365fb09e639e6f183fe33d1eb796 (patch)
tree63984e881d515f73892c6d1d1336ac2fe084bb37 /fs/ext4/page-io.c
parente7293fd146846e2a44d29e0477e0860c60fb856b (diff)
ext4: fix data offset overflow in ext4_xattr_fiemap() on 32-bit archs
On 32-bit architectures with 32-bit sector_t computation of data offset in ext4_xattr_fiemap() can overflow resulting in reporting bogus data location. Fix the problem by typing block number to proper type before shifting. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/page-io.c')
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