From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, davej@redhat.com
Subject: [PATCH] proc: warn if registering world writeable files
Date: Thu, 16 Dec 2010 22:32:17 +0200 [thread overview]
Message-ID: <20101216203217.GA3581@p183.telecom.by> (raw)
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
fs/proc/generic.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -623,6 +623,7 @@ static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent,
memcpy(((char *) ent) + sizeof(struct proc_dir_entry), fn, len + 1);
ent->name = ((char *) ent) + sizeof(*ent);
ent->namelen = len;
+ WARN_ON(S_ISREG(mode) && (mode & S_IWOTH));
ent->mode = mode;
ent->nlink = nlink;
atomic_set(&ent->count, 1);
next reply other threads:[~2010-12-16 20:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-16 20:32 Alexey Dobriyan [this message]
2010-12-16 21:26 ` [PATCH] proc: warn if registering world writeable files Dave Jones
2010-12-16 22:04 ` Alexey Dobriyan
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