linux-kernel - [PATCH] afs: proc cells and rootcell are writeable

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140126122729.32113.19659.stgit@warthog.procyon.org.uk>
Date:	Sun, 26 Jan 2014 12:27:29 +0000
From:	David Howells <dhowells@...hat.com>
To:	torvalds@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org, linux-afs@...ts.infradead.org,
	Pali Rohár <pali.rohar@...il.com>
Subject: [PATCH] afs: proc cells and rootcell are writeable

From: Pali Rohár <pali.rohar@...il.com>

Both proc files are writeable and used for configuring cells. But
there is missing correct mode flag for writeable files. Without
this patch both proc files are read only.

Signed-off-by: Pali Rohár <pali.rohar@...il.com>
Signed-off-by: David Howells <dhowells@...hat.com>
---

 fs/afs/proc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 526e4bbbde59..276cb6ed0b93 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -147,11 +147,11 @@ int afs_proc_init(void)
 	if (!proc_afs)
 		goto error_dir;
 
-	p = proc_create("cells", 0, proc_afs, &afs_proc_cells_fops);
+	p = proc_create("cells", S_IFREG | S_IRUGO | S_IWUSR, proc_afs, &afs_proc_cells_fops);
 	if (!p)
 		goto error_cells;
 
-	p = proc_create("rootcell", 0, proc_afs, &afs_proc_rootcell_fops);
+	p = proc_create("rootcell", S_IFREG | S_IRUGO | S_IWUSR, proc_afs, &afs_proc_rootcell_fops);
 	if (!p)
 		goto error_rootcell;
 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/