From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793997619; b=yrln11jG+3NfdudLLeaeU9IzzJOMhOYiFjMzxt5+s6HCwhEIWD2bN2BSK5xknR07frOM Stpi5ioPc/dZ5OrYqe2R6kJs36GjKB+R3ijC0Ckevo0VZkFnrlIs6rD3O8BX8GcrSg7L3 3pWzQaHFSED+E130nsdw3NXK3DkjF0NcgK/tYtlXsztRgEJ/2BtsRCWmC4cRDBTSIg80H jq5boRPL4MckcHBs1VX6/zMLM/CcELwYFtZCMZVZ21Q3VobnsU9E/vxrmGbyxB7D53ToO hOfsksor941emokf1Nj1gtWK9FzeqKGW/7VrbyHtsuULv5VqvBq/Mr8vbe4VarXMphw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793997619; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=9JGXQWOdZTpjpg7isLPEgUXEisp9QAVDWGiK0jmFxb8=; b=EnRMWXR4hRLR6S5A6j0r81pIO6QIlhDD6xXRxGSALIiOqRnrSe3MiGD3p4abxJfdNhdY 8H0EuoBZFZwi59DMQLn9iH5adzxzW/51Mgtbt/foX5ALV4xpDM2Xvz8zH29tJjO4HBiiv Qfk6J/KAk/EX+cexJi9yfvzjDLu+KCZqbSs9o0FLeaITJsKRHeHELadiW0c8fi7wfQlMd W8fklIByGJZQe9viHzAEFIjaFdRXvErAGmuAg8thmjsiQWTfM2oXz2vkvl6pF9HfJ6WMx uglyoLsWRYwc0COwXzrZ+RJ3DampH7sPC2FOncaZc8z2DwizGQr6IIvZjYA+jFzstMQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="HMsxMf/7"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9CE7F606A332; Fri, 6 Nov 2026 20:40:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=HMsxMf/7 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 452041F0089F; Fri, 6 Nov 2026 20:40:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793997619; bh=9JGXQWOdZTpjpg7isLPEgUXEisp9QAVDWGiK0jmFxb8=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=HMsxMf/76WqOIXbIKkpw4MKq1u6/NLXV9UG7hplvuaGPln0LOEtXG/RwqrjuaAWB2 YeNz6ihGPM5KIHmcb84htYfmM14Go0JgcVG2xGxsiMxTNPaqB55jyrPFfVGGxABGYK y7nYOMoLQEdIwFfCbxvrJLaUcrUlaAjmAvtWMJjO13l+LOh0a/SzNIavDqNWIHlJry basZXQXv0lhTdAjZzR5kWDHfLBHMhVKY+KbLxGjUNm5aBQcjKlXrF4cSglfFXYCCvp qt597okWuRwvV0jabii/1XCwb/XQ4aHvwYTffcO8/bsMRWWmSpIGiimr9AOw2RZej1 qW9Xj1ZFbKlig== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3BDFC3A5499A; Fri, 6 Nov 2026 20:40:19 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] net/mlx5e: IPOIB, Fix QPN lookup race From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179399761792.859444.16113939657791512927.git-patchwork-notify@kernel.org> Date: Fri, 06 Nov 2026 20:40:17 +0000 References: <20261031225749.14214-1-prathameshdeshpande7@gmail.com> In-Reply-To: <20261031225749.14214-1-prathameshdeshpande7@gmail.com> To: Prathamesh Deshpande Cc: saeedm@nvidia.com, leon@kernel.org, tariqt@nvidia.com, mbloch@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, dtatulea@nvidia.com, cjubran@nvidia.com, cratiu@nvidia.com, erezsh@mellanox.com, valex@mellanox.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Sat, 31 Oct 2026 22:57:13 +0000 you wrote: > The parent RX completion path can load a QPN hash entry before > mlx5i_pkey_del_qpn() unlinks and frees it, then dereference freed memory. > > Use RCU hlist operations and defer freeing with kfree_rcu(). The existing > RCU read-side section in mlx5e_napi_poll() covers the lookup. Keep ht_lock > for writers and acquire it before looking up the entry to delete. > > [...] Here is the summary with links: - [net,v2] net/mlx5e: IPOIB, Fix QPN lookup race https://git.kernel.org/netdev/net/c/29066b0fc046 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html