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 B0B7035966; Wed, 2 Sep 2026 00:37:43 +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=1788309464; cv=none; b=i4x/+v32xBP2qQsLlh+2KcWzKYqj/I0wV/z4qsx3SuQsQoUiICIYoBSrcXWTwiL5m5R/n4LmAi03mvQfLL3JJUbLJ3zH/ce3rBtm2k8jj7G28SLYITUT586XvVI4Kyv3ZBCeQuTSilMOK3/hXilS+DKgrtpmv4fbepOb/I4/M2A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788309464; c=relaxed/simple; bh=NoTmUJEaxhqO9hG77vZ18iBlUcitaKZlJD3swhme9Zg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=ENE2SQRo2YzWuiVABsBzt64XVkounHHObrOqIZhK5i2nGNrtc6M4RBa+wDIfL1zGk35nEMmO24mTPhIRC2mGVWb7WnOvYNXGBf6aK2uu/GgpUuPKxar50c/LdALWKFV8RWVW1j2g2PvoT7xBlVfaKiSlaeaFfgyEB68kHHpkV3Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NrrTs1aN; 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="NrrTs1aN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 549B31F000E9; Wed, 2 Sep 2026 00:37:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788309463; bh=IOjFesW3T/u0QIRfCrHTj73GkXzgo99hJsseYPUryp4=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=NrrTs1aNe83GIdBZT4gxknFkR/nS66uBeC0x6issK2Dh8jg9K2CNbbXRW1WbWM5fB 4Kac+ugPFDaiictTZSM9yGzBTUSWov8u6a1UDKZNOBtXN1AM1sXYifE92q5f4Y0VMk yZ9o2+h24pJ4U+asfLIIfvQTflULUeK0y5s0P3ph6sb5g7ypfZqMbJ2Y/5umAdtIMN hljqxK08FItTFNz5ipl0c2A7B3KdabmR605a8/PD0si+EmidGr1xjjBleVYsb28Wql KG+74BMmBoleM+Y0fmjez4MQxRaF4I1HqHERNBNkiu6fCkvTi/Gfm4Xye0v1dEjuE2 1pUj9FHE6UYVw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0A2D3926244; Wed, 2 Sep 2026 00:36:46 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] s390/ctcm: Prevent XID null dereference From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178830940539.1844276.5420614099617158307.git-patchwork-notify@kernel.org> Date: Wed, 02 Sep 2026 00:36:45 +0000 References: <20260827063408.2168914-1-aswin@linux.ibm.com> In-Reply-To: <20260827063408.2168914-1-aswin@linux.ibm.com> To: Aswin Karuvally Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, andrew+netdev@lunn.ch, netdev@vger.kernel.org, linux-s390@vger.kernel.org, hca@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, wintera@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, horms@kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 27 Aug 2026 08:34:08 +0200 you wrote: > The mpc_validate_xid() function sets grp->saved_xid2->xid2_flag2 to 0x40 > to signal XID validation error. If peer XID is NULL or r/w channel > pairing mismatch happens, grp->saved_xid2 is never initialized. An > attempt to set the flag in such case leads to NULL dereference. > > Fix this by using the always available priv->xid->xid2_flag2 instead of > grp->saved_xid2->xid2_flag2 for validation errors. > > [...] Here is the summary with links: - [net,v2] s390/ctcm: Prevent XID null dereference https://git.kernel.org/netdev/net/c/b264d8422779 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html