From: David Ahern <dsa@cumulusnetworks.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Mahesh Bandewar <maheshb@google.com>,
Eric Dumazet <edumazet@google.com>,
David Miller <davem@davemloft.net>,
Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
James Morris <jmorris@namei.org>,
Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
Patrick McHardy <kaber@trash.net>,
netdev <netdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Cong Wang <xiyou.wangcong@gmail.com>,
syzkaller <syzkaller@googlegroups.com>
Subject: Re: net: heap out-of-bounds in fib6_clean_node/rt6_fill_node/fib6_age/fib6_prune_clone
Date: Tue, 25 Apr 2017 09:57:27 -0600 [thread overview]
Message-ID: <01689f75-6713-a371-1dd7-8446ad2bfba7@cumulusnetworks.com> (raw)
In-Reply-To: <CACT4Y+aDzAYs9mbNGeFEkYSB2wTwomZTGEKn4hDH0PAb4uiLqw@mail.gmail.com>
On 3/7/17 2:21 AM, Dmitry Vyukov wrote:
> ------------[ cut here ]------------
> WARNING: CPU: 2 PID: 3990 at net/ipv6/ip6_fib.c:991
> fib6_add+0x2e12/0x3290 net/ipv6/ip6_fib.c:991 net/ipv6/ip6_fib.c:991
> Kernel panic - not syncing: panic_on_warn set ...
>
> CPU: 2 PID: 3990 Comm: kworker/2:4 Not tainted 4.11.0-rc1+ #311
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
> Workqueue: ipv6_addrconf addrconf_dad_work
> Call Trace:
> __dump_stack lib/dump_stack.c:16 [inline]
> __dump_stack lib/dump_stack.c:16 [inline] lib/dump_stack.c:52
> dump_stack+0x2fb/0x3fd lib/dump_stack.c:52 lib/dump_stack.c:52
> panic+0x20f/0x426 kernel/panic.c:180 kernel/panic.c:180
> __warn+0x1c4/0x1e0 kernel/panic.c:541 kernel/panic.c:541
> warn_slowpath_null+0x2c/0x40 kernel/panic.c:584 kernel/panic.c:584
> fib6_add+0x2e12/0x3290 net/ipv6/ip6_fib.c:991 net/ipv6/ip6_fib.c:991
> __ip6_ins_rt+0x60/0x80 net/ipv6/route.c:948 net/ipv6/route.c:948
> ip6_ins_rt+0x19b/0x220 net/ipv6/route.c:959 net/ipv6/route.c:959
> __ipv6_ifa_notify+0x62e/0x7a0 net/ipv6/addrconf.c:5485 net/ipv6/addrconf.c:5485
> ipv6_ifa_notify+0xdf/0x1d0 net/ipv6/addrconf.c:5518 net/ipv6/addrconf.c:5518
> addrconf_dad_completed+0xe6/0x950 net/ipv6/addrconf.c:3983
> net/ipv6/addrconf.c:3983
> addrconf_dad_begin net/ipv6/addrconf.c:3797 [inline]
Similarly for this one.
next prev parent reply other threads:[~2017-04-25 15:57 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-03 14:39 Dmitry Vyukov
2017-03-03 19:12 ` David Ahern
2017-03-03 19:14 ` Dmitry Vyukov
2017-03-04 18:57 ` Dmitry Vyukov
2017-03-04 19:00 ` Dmitry Vyukov
2017-03-04 20:15 ` Eric Dumazet
2017-03-05 10:53 ` Dmitry Vyukov
2017-03-06 17:31 ` David Ahern
2017-03-06 18:51 ` Dmitry Vyukov
2017-03-06 23:41 ` David Ahern
2017-03-07 8:43 ` Dmitry Vyukov
2017-03-07 9:21 ` Dmitry Vyukov
2017-03-07 18:03 ` David Ahern
2017-03-07 18:13 ` Dmitry Vyukov
2017-03-07 18:43 ` David Ahern
2017-03-07 19:02 ` Dmitry Vyukov
2017-03-07 19:30 ` Dmitry Vyukov
2017-03-07 20:00 ` Dmitry Vyukov
2017-03-08 11:55 ` Dmitry Vyukov
2017-03-27 12:42 ` Dmitry Vyukov
2017-03-27 13:57 ` David Ahern
2017-03-27 14:23 ` Dmitry Vyukov
2017-04-18 20:43 ` Andrey Konovalov
2017-04-18 23:20 ` David Ahern
2017-04-19 1:09 ` Andrey Konovalov
2017-04-19 16:09 ` David Ahern
2017-04-19 16:12 ` Andrey Konovalov
2017-04-19 16:29 ` David Ahern
2017-04-19 23:47 ` Cong Wang
2017-04-19 23:51 ` David Ahern
2017-04-20 8:35 ` Dmitry Vyukov
2017-04-20 12:10 ` Andrey Konovalov
2017-04-20 15:28 ` Andrey Konovalov
2017-04-20 15:29 ` Andrey Konovalov
2017-04-20 15:35 ` David Ahern
2017-04-20 15:39 ` Andrey Konovalov
2017-04-20 16:09 ` Andrey Konovalov
2017-04-21 14:27 ` David Ahern
2017-04-21 16:47 ` Eric Dumazet
2017-04-21 18:25 ` David Ahern
2017-04-25 15:51 ` David Ahern
2017-04-25 15:57 ` David Ahern [this message]
2017-03-07 17:17 ` David Ahern
2017-03-07 17:45 ` Dmitry Vyukov
2017-03-07 17:57 ` David Ahern
2017-04-25 15:56 ` David Ahern
2017-04-25 16:36 ` Andrey Konovalov
2017-04-25 16:38 ` Andrey Konovalov
2017-04-25 16:40 ` David Ahern
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