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From: Fedor Pchelkin <pchelkin@ispras.ru>
To: stable@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Fedor Pchelkin <pchelkin@ispras.ru>,
Steffen Klassert <steffen.klassert@secunet.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Sasha Levin <sashal@kernel.org>,
Nicolas Dichtel <nicolas.dichtel@6wind.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Alexey Khoroshilov <khoroshilov@ispras.ru>,
lvc-project@linuxtesting.org
Subject: [PATCH 5.10 0/1] xfrm: fix rcu lock in xfrm_notify_userpolicy()
Date: Sat, 14 Jan 2023 23:58:48 +0300
Message-Id: <20230114205850.176370-1-pchelkin@ispras.ru>
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xfrm: fix rcu lock in xfrm_notify_userpolicy()
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Message
Fedor Pchelkin
Jan. 14, 2023, 8:58 p.m. UTC
Syzkaller reports suspicious RCU usage in xfrm_set_default in 5.10 stable releases. The problem has been fixed by the following patch which can be cleanly applied to 5.10 branch. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.