3.19.8-ckt1 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Al Viro <[email protected]>

commit f15133df088ecadd141ea1907f2c96df67c729f0 upstream.

path_openat() jumps to the wrong place after do_tmpfile() - it has
already done path_cleanup() (as part of path_lookupat() called by
do_tmpfile()), so doing that again can lead to double fput().

Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 fs/namei.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/namei.c b/fs/namei.c
index 3abfbda..b4d2182 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3209,7 +3209,7 @@ static struct file *path_openat(int dfd, struct filename 
*pathname,
 
        if (unlikely(file->f_flags & __O_TMPFILE)) {
                error = do_tmpfile(dfd, pathname, nd, flags, op, file, &opened);
-               goto out;
+               goto out2;
        }
 
        error = path_init(dfd, pathname->name, flags, nd);
@@ -3239,6 +3239,7 @@ static struct file *path_openat(int dfd, struct filename 
*pathname,
        }
 out:
        path_cleanup(nd);
+out2:
        if (!(opened & FILE_OPENED)) {
                BUG_ON(!error);
                put_filp(file);
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to