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FAILED: patch "[PATCH] path_openat(): fix double fput()" failed to apply to 3.14-stable tree

PATCH [email protected] 1 participant 1 message May 15, 2015

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The patch below does not apply to the 3.14-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

Quoted 1 line

From f15133df088ecadd141ea1907f2c96df67c729f0 Mon Sep 17 00:00:00 2001

From: Al Viro <[email protected]>
Date: Fri, 8 May 2015 22:53:15 -0400
Subject: [PATCH] path_openat(): fix double fput()

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().

fs/namei.c +2 -1
index f67cf6cef986..fe30d3be43a8 100644
@@ -3233,7 +3233,7 @@ 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, flags, nd);
@@ -3263,6 +3263,7 @@ 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);