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b=nuEE//0pTMjiN4EAckF29THCaCp8OShYg92gOVf7lMyKvCn0dVCXPo4XEmIgwbvrF mgNMx/eNkGPYY7G6H0/+5Z2vYWnryKoGvrqXmpNUIJXHh7VRJoCJ9vZOSJMA/OjJoT 8z6LvY6TdWjfMQKBqFRTF1g7G5I/em9dQz+ebu6Y4iFujPyG6kD5aM4cOhxD5zLdkS 0mLt2so9jaXkBdOELDLBFZJsYTghdzOgcrQCBh4fJ1VVmpw1xBKRg75vKt5bYd5IUj +CjnJztBrPQd0ybc2en6qZmMR8GIuV6NMVYOONgqhfspT52PI5BFxqfGvNedHL80U/ rS6/W8sLjdi2Q== From: Christian Brauner To: linux-fsdevel@vger.kernel.org Cc: Linus Torvalds , Jann Horn , Josef Bacik , Chris Mason , Jeff Layton , NeilBrown , Eric Dumazet , Thomas Gleixner , Al Viro , Jonathan Corbet , Christoph Hellwig , Greg Kroah-Hartman , Joel Granados , Kees Cook , Jan Kara , Jan Kara , linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-um@lists.infradead.org, linux-wireless@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, netdev@vger.kernel.org, ntfs3@lists.linux.dev, platform-driver-x86@vger.kernel.org, coreteam@netfilter.org, kexec@lists.infradead.org, linux-pci@vger.kernel.org, linux-sound@vger.kernel.org, netfilter-devel@vger.kernel.org, dri-devel@lists.freedesktop.org, ibm-acpi-devel@lists.sourceforge.net, jfs-discussion@lists.sourceforge.net, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-cifs@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-usb@vger.kernel.org, samba-technical@lists.samba.org, sparclinux@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-doc@vger.kernel.org, linux-serial@vger.kernel.org, linux-atm-general@lists.sourceforge.net, Takashi Iwai , linux-input@vger.kernel.org, linux-raid@vger.kernel.org, linux-ext4@vger.kernel.org, linux-modules@vger.kernel.org, linux-debuggers@vger.kernel.org, "Christian Brauner (Amutable)" , Chuck Lever , stable@vger.kernel.org Subject: [PATCH v2 21/51] powerpc/rtasd: zero the error log buffer Date: Wed, 4 Nov 2026 18:47:07 +0100 Message-ID: <20261104-work-procfs-bugfixes-v2-21-bbf7d5546809@kernel.org> In-Reply-To: <20261104-work-procfs-bugfixes-v2-0-bbf7d5546809@kernel.org> References: <20261104-work-procfs-bugfixes-v2-0-bbf7d5546809@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.17-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1050; i=brauner@kernel.org; h=from:subject:message-id; bh=mkSbMC6ZDV5f4P2v+qDezcMlza9tkw/MXVPMWZSeje8=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWS9zrvxY+J+keMVs7edupnp1Ff4+Ah738HHuRv3nhU1l bJwbb3Q0VHKwiDGxSArpsji0G4SLrecp2KzUaYGzBxWJpAhDFycAjARpRsM/8P+v+y8bZx29NuN hw/PunmnX07Un1++7juvb051byL7qQCG/6n83y77TZpU+sZ0i3q+d/jTxn/VP3mKFCceKbEpuaT 1nAEA X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: BDC36C0005 X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Stat-Signature: dhhdmd885ch8fqtma9ky97huw7aj9ikc X-Rspam-User: X-HE-Tag: 1793814635-918358 X-HE-Meta: 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 erJ8ZSgi O/z/ZFAkkUluRwpWiD9QXB9QytlspnO1pIDp1IW5sdba6gW+ia6zAWDzycZO+3ifxH8dXvujS+50rO6mh3Jxh17hUnWOuKWc2PXo181kN9TnYLCZhHCFBZHzEIlK0vPYuabXZIEqrf2dPiFcrZimAdBxsA2uP9Ore0Ws+n6dJb145cChzNjZROUWffAnU9lz4Rsq8GN9TJ8K4Y6ekImiB3wA2MpR6uvXyforac5TI3DY+/4xmwhimmgVXEj4GLwvvqBpoXT21O36TZA44krY6LP0PCfgFqpcuTaUcCadWAIkenlXZN/1Ye8sdcw8msqQ6KdQKWYI7ofchz4LyHaJ8f4sGDHdYIORglWTTSAwA/nE61fruWK+Bf1iaj3cxzrQwNops978doY8+2DRE/G7bqnsxIA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 rtas_log_read() hands out a whole slot of the error log but pSeries_log_error() only fills in the sequence number and the event, which is usually a lot shorter. The rest of the slot is whatever vmalloc() left there. Use vzalloc(). Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: stable@vger.kernel.org Signed-off-by: Christian Brauner (Amutable) --- arch/powerpc/kernel/rtasd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/rtasd.c b/arch/powerpc/kernel/rtasd.c index fd40864bdb70..dd0df5e164a3 100644 --- a/arch/powerpc/kernel/rtasd.c +++ b/arch/powerpc/kernel/rtasd.c @@ -523,7 +523,7 @@ static int __init rtas_event_scan_init(void) rtas_error_log_max = rtas_get_error_log_max(); rtas_error_log_buffer_max = rtas_error_log_max + sizeof(int); - rtas_log_buf = vmalloc(array_size(LOG_NUMBER, + rtas_log_buf = vzalloc(array_size(LOG_NUMBER, rtas_error_log_buffer_max)); if (!rtas_log_buf) { printk(KERN_ERR "rtasd: no memory\n"); -- 2.53.0