From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============5732939390643327217==" MIME-Version: 1.0 From: Christoph Paasch 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 Message-ID: <20200127155337.GA13796@MacBook-Pro-64.local> In-Reply-To: 20200126234101.7256-1-fw@strlen.de X-Status: X-Keywords: X-UID: 3524 --===============5732939390643327217== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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 l= ock. > 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 Cheers, Christoph --===============5732939390643327217==--