From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B6A5346984C; Fri, 31 Jul 2026 23:40:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785541245; cv=none; b=NhxpU6Bv2UnjTNL0l3mt4vyiRPbtitlVWz9bq/Q/zA5F2NttGG2V73/HhNYJ8P1L6qmjw0xpFBEHl2CbKIG7X/WXYGK5Hwm5sFgNGZBaNtIPtldKM8064DqPU7MWsuZa/G9l6gm0i4gfqb3ymLczTLlmWClmvuX6v6zEIsMH49k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785541245; c=relaxed/simple; bh=XRTxxKWzYXVhzKB5EJGHyX69r9lyo5VCFc6G5kgpZZY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=YbSwnYjraXYmXLmw3HWvo0mtpw7YnZnckyGJGxZNJmVJaGjf/uSQklh/zLI6SPVCYH8zOAwah2sDL3kwMUhWlLnbLAF+lUPElfZ80h8MEdV/tj/HJfhDWsbynUA4M8Y+j+rsc5mKp+gYNHIIN4DtyyCQaBcIDMiNTgEsmYZTKm8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ObREuibM; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ObREuibM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66DF11F00AC4; Fri, 31 Jul 2026 23:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785541244; bh=hZSAmr8CC7cFdKREjp/PS4yN8Aon/mFMCFm/muWH+ko=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=ObREuibMaqfFDQeA/nA3ig4vlr86zMccCGlwUr6Y3pLOOOB4yTW/ISlIl1/KTMwuS KrPVMODThL0VxhR6FN7gV0/PjiyMBVr7tGzGAFMIss+/nLiWmJ6peLlJOQqldtbVCd FYCF1tzCucRr9UMYxSb+Gzj78lubJnpVZ+/f+0jNRyHGGLhI+UAXPBN754y1qMeIBi yCXrLosmieDl+xrng5hC3Y5fOtd56ophU1s00O365fLGXz3S/Exy5YZxxUGkW4tYm1 5ySJZmnEpiPNREsdrGjGnt7NxvBNbEPMffgiEmtliiQf5HP/YrVu/UY5ICHTBn+1ob 77VcPDwqpzYIg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 568E4392665D; Fri, 31 Jul 2026 23:40:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net/smc: fix qentry overwrite for CONFIRM_LINK and ADD_LINK_CONT in smc_llc_event_handler() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178554120689.949682.10784934094137290193.git-patchwork-notify@kernel.org> Date: Fri, 31 Jul 2026 23:40:06 +0000 References: <20260729130153.970800-1-mjambigi@linux.ibm.com> In-Reply-To: <20260729130153.970800-1-mjambigi@linux.ibm.com> To: Mahanta Jambigi Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, alibuda@linux.alibaba.com, dust.li@linux.alibaba.com, sidraya@linux.ibm.com, hidayath@linux.ibm.com, pasic@linux.ibm.com, horms@kernel.org, tonylu@linux.alibaba.com, guwen@linux.alibaba.com, netdev@vger.kernel.org, linux-s390@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 29 Jul 2026 15:01:53 +0200 you wrote: > The SMC_LLC_CONFIRM_LINK / SMC_LLC_ADD_LINK_CONT branch in > smc_llc_event_handler() stores an incoming qentry into the local LLC flow > without first checking whether a qentry is already pending. If a malicious or > buggy peer sends a second CONFIRM_LINK or ADD_LINK_CONT request while a flow is > active and flow->qentry is already set, smc_llc_flow_qentry_set() overwrites the > pointer without freeing the previous allocation, leaking one kmalloc-96 object > per spurious message. > > [...] Here is the summary with links: - [net] net/smc: fix qentry overwrite for CONFIRM_LINK and ADD_LINK_CONT in smc_llc_event_handler() https://git.kernel.org/netdev/net/c/976245094925 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html