From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f171.google.com (mail-pg1-f171.google.com [209.85.215.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CFE7126ED4F for ; Mon, 17 Aug 2026 22:13:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787004796; cv=none; b=GEHcg0Eb5BUS4u4mYDZ8KoR/xFDYWwLFbyYRoOzKGf8p1CEUAICooO4/hlOAlDShxgg64z13wJ76YyUgOSRI4GCzLag7ugrT2ZoV4zHewZBzJPAGfMpK0zf+GyGW5NMm5UpndTc73HYx7LuJ1/5Psi6oSy/P0xR1U8mCmt3QaIU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787004796; c=relaxed/simple; bh=EsYvSqNq7X4/sUC8/3bVEQWU17xHkSKcUIBp5YF30z8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mn0bLtF/J7jAfxLdAQb5G4D62DBrA0h/BJpmjeITqt+EnWClMQGwcUKt0eEaihzl2Dz6PGot3Sqkd6joGfOzJBWFNtqNgbcvVGCNYX9q3qwNultVn7DZQSHq+UcWggVJAUlWtChpmzRPVWRGJ07B7gZPXX/qlwDv0Kr7R6UN78w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=kXNjASme; arc=none smtp.client-ip=209.85.215.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kXNjASme" Received: by mail-pg1-f171.google.com with SMTP id 41be03b00d2f7-cbb8b54fcf8so3590342a12.0 for ; Mon, 17 Aug 2026 15:13:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787004794; x=1787609594; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=rxYr8Qgm5lIMJhu9XjbRyEotMDKk9C141QlZjz1CSTQ=; b=kXNjASmehlVOUISMqhqUQ8mGf1oj+6a810TDmzVgZr7l3bTU5v17UmQJlZREd8U1XT dKgKGvwQiBwZ3gT5iaAtKzjsYOg0edtGchmWRakJeaVrPrAFSF4kThDCxAPG8PRnZ8Gv KSuUctpLxuNRIc/1GDiCdoCW7lnN707N3NXEUwvMvO30UrQYIeaj179VAUdNbWHhoDv1 4Ia2QeAeSFcGf5FW1lkCsdwZo9v8itb30kvR4BL3hViMn0n3y29ZR3eyRqC9u14PnSDF FC2ZUcPdZUEasr3xGAcuqb2P3OgkPysCZr6ujNaQYZK29gkLaFuY3jBfGgX8B57Epv4K t0pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787004794; x=1787609594; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=rxYr8Qgm5lIMJhu9XjbRyEotMDKk9C141QlZjz1CSTQ=; b=E7u3DNovjDDl0qwHQLDQ+sFldzvY6d1M2q0ecLPNVlLZSo1Kz/7RJYrh29RxMjBe74 2URe9FVATWQeM5O7zf09lgAtSFvXShA9nNEnmBRxue3KMY3N9E/keXQHeq/UD8nNPfAv TeT2XKiwBV4JI7JDlOP5s8qbvUaqlOHDJHctdnGNHB55JR7dX+F2KvQcWYMFZ6QRoz0R dWfNi+nr7CncwpGAoXhjdD7sNZGyY2/v7vM4thzmPWFsMGONv7xsgDbc2dwQQnAP02v+ rEkA6DQvmQbMxkaT54p06wyogw6TuFEz+2qI59Jny0tIoHa9WAVXjlEGVBMJaRRgqhoi x9UA== X-Forwarded-Encrypted: i=1; AHgh+Rrrc0FDy9FZ++mWXdT3csuVv6v34MM7xkNoInGy4YBfjeaGTqmJCuMyrHLsV8yzjDS2EuYip2l+cYwAYns=@vger.kernel.org X-Gm-Message-State: AOJu0Yxti2tbBsvuSyu4ffclMbWEeTnePN73TFGZrl4dYZ7Y7JMEyxP7 mcGQ5ALC20v/q/uJvfj2KR9lul4Kec3oPvyMSewex4hsXdDiOCsOToia X-Gm-Gg: AR+sD12LlQ7k7yisfcSTIWpls9bKZn6GtcaSf0jQ8PSm+MZzxog5pqsYZvXvJXMgXhE TLOFBYpRP+jVMkFFOIR1hcy9PeFyIYrvnwtsIfEqZLBDrX8v9+TKuJf4iB0RO9H+4PsaHkH7LAb 7GTHvMCO/y0rOUy/eIXdQ4eBTZ0aRtbwRSvlwQeZZHAu6ZRSiv1daA0391ZQCJuW3sk86DxYL3U k4UaCD1+UMzd9tOyTpESFa8thUzg8NcHl81eFKyL1RQ2e5gTl97Q21Br7egmYUr1PPUDZjFTNhn hHwk6wxxTA6aYTz6NrwPf9SeupiITE800w5/6cQZvVTyayCZs8/nP8FVmoUjvmCvOs+kZSvC9OY UoDbvaeZkSqCiYnP3zc2895OJT+4x7qMVUN0yGCpPJbu8L4qLleiyQ5HWvLQnu3ZixwwvdO9yR4 Ooq07nSwEhyG3gOb7UhbU1YF1DsNWfqApDuwvzgdAKJGhEo1YF2RytzA== X-Received: by 2002:a05:6a21:a0c:b0:3c3:8d86:9855 with SMTP id adf61e73a8af0-3ccda918c66mr3802871637.7.1787004793869; Mon, 17 Aug 2026 15:13:13 -0700 (PDT) Received: from bloom.localdomain ([2604:3d09:178e:e100::6868]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cc13c02a12esm1311692a12.23.2026.08.17.15.13.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 15:13:13 -0700 (PDT) From: Ivy Lopez To: Sathya Prakash Cc: Sreekanth Reddy , Suganath Prabu Subramani , Ranjan Kumar , "James E . J . Bottomley" , "Martin K . Petersen" , MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Ivy Lopez Subject: [PATCH] scsi: mpt3sas: avoid out-of-bounds cpumask_of_node() call in _base_assign_reply_queues() Date: Mon, 17 Aug 2026 16:13:00 -0600 Message-ID: <20260817221300.43286-1-skunkolee@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit dev_to_node() can return NUMA_NO_NODE (-1) on systems without NUMA topology information for the PCI device, such as single-socket boards that don't expose device-to-node affinity. Passing -1 directly into cpumask_of_node() indexes node_to_cpumask_map[-1], an out-of-bounds array read caught by UBSAN: UBSAN: array-index-out-of-bounds in arch/x86/include/asm/topology.h:72:28 index -1 is out of range for type 'cpumask *[1024]' Fall back to cpu_online_mask when no NUMA node is available, rather than assuming dev_to_node() always returns a valid node index. Link: https://bugzilla.kernel.org/show_bug.cgi?id=221294 Signed-off-by: Ivy Lopez --- drivers/scsi/mpt3sas/mpt3sas_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 79052f2accbd..eaad6fb7f3cf 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3238,7 +3238,9 @@ _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc) * corresponding to high iops queues. */ if (ioc->high_iops_queues) { - mask = cpumask_of_node(dev_to_node(&ioc->pdev->dev)); + int node = (dev_to_node(&ioc->pdev->dev)); + + mask = (node == NUMA_NO_NODE) ? cpu_online_mask : cpumask_of_node(node); for (index = 0; index < ioc->high_iops_queues; index++) { irq = pci_irq_vector(ioc->pdev, index); -- 2.55.0