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authorEric W. Biederman <ebiederm@xmission.com>2015-05-09 00:36:50 +0300
committerEric W. Biederman <ebiederm@xmission.com>2015-05-09 19:55:50 +0300
commit7e96c1b0e0f495c5a7450dc4aa7c9a24ba4305bd (patch)
tree359383086b15aa2d27e543d51865886d51d2bb23 /fs/sysfs
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
downloadlinux-7e96c1b0e0f495c5a7450dc4aa7c9a24ba4305bd.tar.xz
mnt: Fix fs_fully_visible to verify the root directory is visible
This fixes a dumb bug in fs_fully_visible that allows proc or sys to be mounted if there is a bind mount of part of /proc/ or /sys/ visible. Cc: stable@vger.kernel.org Reported-by: Eric Windisch <ewindisch@docker.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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