The patch titled
autofs4: check for invalid dentry in getpath
has been added to the -mm tree. Its filename is
autofs4-check-for-invalid-dentry-in-getpath.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: autofs4: check for invalid dentry in getpath
From: Ian Kent <raven@xxxxxxxxxx>
Catch invalid dentry when calculating its path.
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/autofs4/waitq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/autofs4/waitq.c~autofs4-check-for-invalid-dentry-in-getpath fs/autofs4/waitq.c
--- a/fs/autofs4/waitq.c~autofs4-check-for-invalid-dentry-in-getpath
+++ a/fs/autofs4/waitq.c
@@ -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;
}
_
Patches currently in -mm which might be from raven@xxxxxxxxxx are
origin.patch
autofs4-fix-sparse-warning-in-waitqc-autofs4_expire_indirect.patch
autofs4-check-for-invalid-dentry-in-getpath.patch
autofs4-fix-execution-order-race-in-mount-request-code.patch
autofs4-fix-incorrect-return-from-rootc-try_to_fill_dentry.patch
autofs-path_getput-cleanups.patch
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