netdev - Re: net: socket: NULL ptr deref in sendmsg

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

Message-Id: <20140714.150847.1399242734159771901.davem@davemloft.net>
Date:	Mon, 14 Jul 2014 15:08:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sasha.levin@...cle.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	davej@...hat.com, a.ryabinin@...sung.com
Subject: Re: net: socket: NULL ptr deref in sendmsg

From: Sasha Levin <sasha.levin@...cle.com>
Date: Sun, 13 Jul 2014 17:50:53 -0400

> While fuzzing with trinity inside a KVM tools guest running the latest -next
> kernel with the KASAN patchset, I've stumbled on the following spew:
 ...
> It's similar to another variation:
 ...
> I've tried debugging it, but I don't see a code path that could lead to that.

Both of these cases involve working with pointers declared with
DECLARE_SOCKADDR, maybe that somehow confuses ASAN code generation?
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html