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Thu, 18 Jan 2024 18:00:28 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170560082806.5819.6461479890543171742.git-patchwork-notify@kernel.org> Date: Thu, 18 Jan 2024 18:00:28 +0000 References: <20240117172102.12001-1-n.zhandarovich@fintech.ru> In-Reply-To: <20240117172102.12001-1-n.zhandarovich@fintech.ru> To: Nikita Zhandarovich Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ap420073@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+a9400cabb1d784e49abf@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 17 Jan 2024 09:21:02 -0800 you wrote: > idev->mc_ifc_count can be written over without proper locking. > > Originally found by syzbot [1], fix this issue by encapsulating calls > to mld_ifc_stop_work() (and mld_gq_stop_work() for good measure) with > mutex_lock() and mutex_unlock() accordingly as these functions > should only be called with mc_lock per their declarations. > > [...] Here is the summary with links: - [net] ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work https://git.kernel.org/netdev/net/c/2e7ef287f07c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html