From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id B8EF51FF137 for ; Tue, 31 Mar 2026 23:44:40 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 6756B838F; Tue, 31 Mar 2026 23:45:08 +0200 (CEST) From: Thomas Lamprecht To: pve-devel@lists.proxmox.com, Fiona Ebner Subject: applied: [PATCH kernel] cherry-pick fix for NULL pointer dereference in ceph_mds_auth_match() Date: Tue, 31 Mar 2026 23:44:58 +0200 Message-ID: <177499349650.841563.16417524922552602056.b4-ty@proxmox.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260331150439.864438-1-f.ebner@proxmox.com> References: <20260331150439.864438-1-f.ebner@proxmox.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1774993448773 X-SPAM-LEVEL: Spam detection results: 0 AWL -0.003 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Message-ID-Hash: HUQVMAE35XU263H734LLXO2J6EULCMBT X-Message-ID-Hash: HUQVMAE35XU263H734LLXO2J6EULCMBT X-MailFrom: t.lamprecht@proxmox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox VE development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Tue, 31 Mar 2026 17:04:29 +0200, Fiona Ebner wrote: > As reported in the enterprise support, there is a regression between > kernels 6.17.4-2-pve and 6.17.13-2-pve that might result in a NULL > pointer dereference in the ceph_mds_auth_match() function when using > an external CephFS file system. The only interesting commit touching > fs/ceph/ between those kernels is a backport of 22c73d52a6d0 ("ceph: > fix multifs mds auth caps issue"), namely f26ac354dcb3f ("ceph: fix > multifs mds auth caps issue"). There is an explicit fix for that > commit/issue upstream, namely 7987cce375ac8 ("ceph: fix NULL pointer > dereference in ceph_mds_auth_match()"). Pick it up. > > [...] Applied, thanks! [1/1] cherry-pick fix for NULL pointer dereference in ceph_mds_auth_match() commit: 1f0f2fe70cda9f617183aac65bddd7ecb391f97d