From: Al Viro <viro@zeniv.linux.org.uk>
To: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] namei: Standardize callers of filename_create()
Date: Tue, 7 Sep 2021 20:13:29 +0000 [thread overview]
Message-ID: <YTfH6RW+3+5kVD+y@zeniv-ca.linux.org.uk> (raw)
In-Reply-To: <20210901175144.121048-4-stephen.s.brennan@oracle.com>
On Wed, Sep 01, 2021 at 10:51:43AM -0700, Stephen Brennan wrote:
> inline struct dentry *user_path_create(int dfd, const char __user *pathname,
> struct path *path, unsigned int lookup_flags)
> {
> - return filename_create(dfd, getname(pathname), path, lookup_flags);
> + struct filename *filename;
> + struct dentry *dentry;
> +
> + filename = getname(pathname);
> + dentry = filename_create(dfd, getname(pathname), path, lookup_flags);
> + putname(filename);
> + return dentry;
Leaks, obviously...
next prev parent reply other threads:[~2021-09-07 20:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-01 17:51 [PATCH 0/3] namei: fix use-after-free and adjust calling conventions Stephen Brennan
2021-09-01 17:51 ` [PATCH 1/3] namei: Fix use after free in kern_path_locked Stephen Brennan
2021-09-01 17:51 ` [PATCH 2/3] namei: Standardize callers of filename_lookup() Stephen Brennan
2021-09-01 17:51 ` [PATCH 3/3] namei: Standardize callers of filename_create() Stephen Brennan
2021-09-07 20:13 ` Al Viro [this message]
2021-09-07 20:35 ` Stephen Brennan
2021-09-07 21:09 ` [PATCH 0/3] namei: fix use-after-free and adjust calling conventions Al Viro
2021-09-07 21:43 ` Stephen Brennan
2021-09-07 21:54 ` Al Viro
2021-09-08 18:47 ` Stephen Brennan
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