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
| ||
|
Date: Mon, 16 Sep 2013 18:52:27 -0700 From: ebiederm@...ssion.com (Eric W. Biederman) To: Eric Dumazet <eric.dumazet@...il.com> Cc: David Miller <davem@...emloft.net>, edumazet@...gle.com, jiri@...nulli.us, alexander.h.duyck@...el.com, amwang@...hat.com, netdev@...r.kernel.org, fruggeri@...stanetworks.com Subject: Re: [PATCH net-next] net loopback: Set loopback_dev to NULL when freed Eric Dumazet <eric.dumazet@...il.com> writes: > On Mon, 2013-09-16 at 21:34 -0400, David Miller wrote: >> From: Eric Dumazet <eric.dumazet@...il.com> >> Date: Mon, 16 Sep 2013 17:50:51 -0700 >> >> > On Mon, 2013-09-16 at 16:52 -0700, Eric W. Biederman wrote: >> >> It has recently turned up that we have a number of long standing bugs >> >> in the network stack cleanup code with use of the loopback device >> >> after it has been freed that have not turned up because in most cases >> >> the storage allocated to the loopback device is not reused, when those >> >> accesses happen. >> >> >> >> Set looback_dev to NULL to trigger oopses instead of silent data corrupt >> >> when we hit this class of bug. >> >> >> >> Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com> >> >> --- >> > >> > Acked-by: Eric Dumazet <edumazet@...gle.com> >> >> I'd like to apply this to 'net', any objections? > > No objections from me. No objects from me I just hadn't seen it as a bug fix, but I guess it sort of is. Eric -- 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
Powered by blists - more mailing lists