From: Jiri Benc <jbenc@redhat.com>
To: Jia-Ju Bai <baijiaju1990@gmail.com>
Cc: davem@davemloft.net, sbrivio@redhat.com, sd@queasysnail.net,
liuhangbin@gmail.com, dsahern@gmail.com,
natechancellor@gmail.com, tglx@linutronix.de,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: geneve: Fix a possible null-pointer dereference in geneve_link_config()
Date: Mon, 29 Jul 2019 12:52:21 +0200 [thread overview]
Message-ID: <20190729125221.00baf700@redhat.com> (raw)
In-Reply-To: <20190729123055.5a7ba416@redhat.com>
On Mon, 29 Jul 2019 12:30:55 +0200, Jiri Benc wrote:
> Are you sure rt6_lookup can never return a non-NULL rt with rt->dst.dev
> being NULL? You'd leak the reference in such case.
In fact, you're introducing a bug, not fixing one. ip6_rt_put does
accept NULL parameter. And it seems you already have been told that?
Nacked-by: Jiri Benc <jbenc@redhat.com>
Jiri
prev parent reply other threads:[~2019-07-29 10:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-29 10:26 [PATCH] net: geneve: Fix a possible null-pointer dereference in geneve_link_config() Jia-Ju Bai
2019-07-29 10:30 ` Jiri Benc
2019-07-29 10:52 ` Jiri Benc [this message]
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