From: David Miller <davem@davemloft.net>
To: johannes@sipsolutions.net
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] negative groups in netlink_setsockopt
Date: Wed, 18 Jul 2007 02:08:21 -0700 (PDT) [thread overview]
Message-ID: <20070718.020821.15264737.davem@davemloft.net> (raw)
In-Reply-To: <1184675164.3773.83.camel@johannes.berg>
From: Johannes Berg <johannes@sipsolutions.net>
Date: Tue, 17 Jul 2007 14:26:04 +0200
> Reading netlink_setsockopt it's not immediately clear why there isn't a
> bug when you pass in negative numbers, the reason being that the >=
> comparison is really unsigned although 'val' is signed because
> nlk->ngroups is unsigned. Make 'val' unsigned too.
>
> Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Applied, but I updated the "(int __user *)" cast in
get_user() to match as well when applying this.
Thanks.
next prev parent reply other threads:[~2007-07-18 9:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-17 12:26 [PATCH] negative groups in netlink_setsockopt Johannes Berg
2007-07-18 9:08 ` David Miller [this message]
2007-07-18 10:10 ` Johannes Berg
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