From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 F0DFA2EE98F; Thu, 3 Jul 2025 15:06:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751555172; cv=none; b=U68pBF7ma/fIVzApNCxYcR+PrB2LW+QQFaMeZUGD7z5bwKOFeMdpAP4oXMpYkOJOkW30f0Cs8T2V7DvLUlHlBnpljPHxKmfH/0SbF4+5LrJSSIw/l82myy24Kn3mmicrQLc5cJz+7NyNq7p9iFKIYlD4q2pNS3ZNQ4cPE+ZiV0U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751555172; c=relaxed/simple; bh=WvZ6nmUgHXaEYWqfC9x0Lm+/oWD3gHpR9KzbFR4Y3C4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IEDo/ZvTtjE5CLjUrXqgEdpewPp1XI17NYMpthuxtThz9CXTLu1S53ih2d76nn0E0tpjE1beEttJPsvMMTLhQ06W66xyavq0LJkHaIcRs/h4sCUQvm2wZpy5t2FXQIHeGpm1SaKTSH7YecI/T1JJNB0q/cuDLdfwthR/eQSDmEw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=L2HXgi+i; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="L2HXgi+i" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F359C4CEE3; Thu, 3 Jul 2025 15:06:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1751555171; bh=WvZ6nmUgHXaEYWqfC9x0Lm+/oWD3gHpR9KzbFR4Y3C4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L2HXgi+ivc5Bl17uTP24KSYLeS8893ACPW3K37GWFB7LMsvEuyxQ6Pp/876K4wcfn gq9Zs5ZGpX+Awb040G7sWXA3d+5u5/izO7YIRB0n32xW3T4kC/rY/PqCo23Zwk2aNR URzO1RWA7T8/y97fVZvFh35Pt8NhRL6C6Ly4hBCU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Chen Yu , "Martin K. Petersen" Subject: [PATCH 6.15 198/263] scsi: megaraid_sas: Fix invalid node index Date: Thu, 3 Jul 2025 16:41:58 +0200 Message-ID: <20250703144012.306344644@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250703144004.276210867@linuxfoundation.org> References: <20250703144004.276210867@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chen Yu commit 752eb816b55adb0673727ba0ed96609a17895654 upstream. On a system with DRAM interleave enabled, out-of-bound access is detected: megaraid_sas 0000:3f:00.0: requested/available msix 128/128 poll_queue 0 ------------[ cut here ]------------ 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]' dump_stack_lvl+0x5d/0x80 ubsan_epilogue+0x5/0x2b __ubsan_handle_out_of_bounds.cold+0x46/0x4b megasas_alloc_irq_vectors+0x149/0x190 [megaraid_sas] megasas_probe_one.cold+0xa4d/0x189c [megaraid_sas] local_pci_probe+0x42/0x90 pci_device_probe+0xdc/0x290 really_probe+0xdb/0x340 __driver_probe_device+0x78/0x110 driver_probe_device+0x1f/0xa0 __driver_attach+0xba/0x1c0 bus_for_each_dev+0x8b/0xe0 bus_add_driver+0x142/0x220 driver_register+0x72/0xd0 megasas_init+0xdf/0xff0 [megaraid_sas] do_one_initcall+0x57/0x310 do_init_module+0x90/0x250 init_module_from_file+0x85/0xc0 idempotent_init_module+0x114/0x310 __x64_sys_finit_module+0x65/0xc0 do_syscall_64+0x82/0x170 entry_SYSCALL_64_after_hwframe+0x76/0x7e Fix it accordingly. Signed-off-by: Chen Yu Link: https://lore.kernel.org/r/20250604042556.3731059-1-yu.c.chen@intel.com Fixes: 8049da6f3943 ("scsi: megaraid_sas: Use irq_set_affinity_and_hint()") Cc: stable@vger.kernel.org Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/scsi/megaraid/megaraid_sas_base.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -5910,7 +5910,11 @@ megasas_set_high_iops_queue_affinity_and const struct cpumask *mask; if (instance->perf_mode == MR_BALANCED_PERF_MODE) { - mask = cpumask_of_node(dev_to_node(&instance->pdev->dev)); + int nid = dev_to_node(&instance->pdev->dev); + + if (nid == NUMA_NO_NODE) + nid = 0; + mask = cpumask_of_node(nid); for (i = 0; i < instance->low_latency_index_start; i++) { irq = pci_irq_vector(instance->pdev, i);