Messages in this thread Patch in this message | | | Date | Tue, 26 Feb 2008 12:22:34 +0900 (WST) | From | Ian Kent <> | Subject | [PATCH 1/4] autofs4 - check for invalid dentry in getpath |
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Hi Andrew,
Patch to catch invalid dentry when calculating it's path.
Signed-off-by: Ian Kent <raven@themaw.net>
Ian
--- diff -up linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c.getpath-check-valid-dentry linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c --- linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c.getpath-check-valid-dentry 2008-02-20 12:55:39.000000000 +0900 +++ linux-2.6.25-rc2-mm1/fs/autofs4/waitq.c 2008-02-20 12:54:46.000000000 +0900 @@ -171,7 +171,7 @@ static int autofs4_getpath(struct autofs for (tmp = dentry ; tmp != root ; tmp = tmp->d_parent) len += tmp->d_name.len + 1; - if (--len > NAME_MAX) { + if (!len || --len > NAME_MAX) { spin_unlock(&dcache_lock); return 0; }
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