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ext4: lock the xattr block before checksuming it
authorTheodore Ts'o <tytso@mit.edu>
Sat, 25 Mar 2017 21:22:47 +0000 (17:22 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Sat, 25 Mar 2017 21:22:47 +0000 (17:22 -0400)
commitdac7a4b4b1f664934e8b713f529b629f67db313c
treea0c53abc4e4e65e87db9074460a8ca8de6eef700tree | snapshot (tar.gz zip)
parentcd9cb405e0b948363811dc74dbb2890f56f2cb87commit | diff
ext4: lock the xattr block before checksuming it

We must lock the xattr block before calculating or verifying the
checksum in order to avoid spurious checksum failures.

https://bugzilla.kernel.org/show_bug.cgi?id=193661

Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org
fs/ext4/xattr.c diff | blob | blame | history