From: Christoph Paasch <cpaasch at apple.com>
To: mptcp at lists.01.org
Subject: [MPTCP] Re: [PATCH net-next 0/2] mptcp: fix syzkaller splats
Date: Mon, 27 Jan 2020 07:53:37 -0800 [thread overview]
Message-ID: <20200127155337.GA13796@MacBook-Pro-64.local> (raw)
In-Reply-To: 20200126234101.7256-1-fw@strlen.de
[-- Attachment #1: Type: text/plain, Size: 901 bytes --]
On 27/01/20 - 00:40:59, Florian Westphal wrote:
> This fixes the syzkaller splats with reproducers that Christoph forwarded
> to the mailing list.
>
> First patch fixes a crash with set/getsockopt interface and resolves
> a lockdep splat due to calls to rtnl_lock while already holding the msk lock.
> I resolved both in the same patch because the fix touches the same spot.
>
> Second patch fixes another lockdep splat, this time during mptcp_close
> but also related to rtnl_lock.
>
> See patches for more detailed explanation.
>
> protocol.c | 51 +++++++++++++++++++++++++++++++++------------------
> 1 file changed, 33 insertions(+), 18 deletions(-)
syzkaller has been running for 300 hours of fuzzing and none of the previous
reported issues triggered. All good! Also, no new issues for now.
Tested-by: Christoph Paasch <cpaasch(a)apple.com>
Cheers,
Christoph
reply other threads:[~2020-01-27 15:53 UTC|newest]
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