netdev - Re: [PATCH] net: mvneta: Fix memory use after free.

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] [day] [month] [year] [list]

Message-Id: <20151109.214841.1605479864705880795.davem@davemloft.net>
Date:	Mon, 09 Nov 2015 21:48:41 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	jmaggard10@...il.com
Cc:	netdev@...r.kernel.org, jmaggard@...gear.com
Subject: Re: [PATCH] net: mvneta: Fix memory use after free.

From: Justin Maggard <jmaggard10@...il.com>
Date: Mon,  9 Nov 2015 17:21:05 -0800

> After changing an interface's MTU, then bringing the interface down and
> back up again, I immediately saw tons of kernel messages like below.
> The reason for this bad behavior is mvneta_rxq_drop_pkts(), which calls
> dma_unmap_single() on already-freed memory.  So we need to switch the
> order of those two operations.
 ...
> Signed-off-by: Justin Maggard <jmaggard@...gear.com>

Applied, thanks Justin.
--
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