From nobody Sun Feb 8 02:26:05 2026 Received: from mail-oa1-f48.google.com (mail-oa1-f48.google.com [209.85.160.48]) (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 DFFF5338592 for ; Wed, 7 Jan 2026 20:18:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.48 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767817101; cv=none; b=Yi4eH+L9NkvAncqolkXm+gQPYOfwVqP5lQQZ+e3x1MNMk/Dkx6SUUPG+BVe4H8WwWPEuPjQtjWh+BSa8rIpIjpLGx/d3w1x93X0/T/MHZSS5X826Z6Fhw1bgaO3hic1jqlYADzMYmu1p+1Vdz9ywwBKOe3adlTGaPfQykfh7+qI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767817101; c=relaxed/simple; bh=zsGfW0U9ndviMNB6bn5eedJivSA4tWqNT+0ROyjm1vs=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=k5G0BdoowdyMERepgJDXfWkDqUSFqvNbDI//g1KjXVMcLa9EQoRRBtmPNo7RTBsKF9nNZTORF87QscuzcWUZA59a3I7v50N0tQKX+k7vV2Gy5ljPqac+LuKP6DNTFNXa+4pV+AUhCnQ0PRf1rFl5n7dhAIFRIs9XVAIK6MpX4b4= 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=cz5BjAS7; arc=none smtp.client-ip=209.85.160.48 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="cz5BjAS7" Received: by mail-oa1-f48.google.com with SMTP id 586e51a60fabf-3e7f68df436so914710fac.1 for ; Wed, 07 Jan 2026 12:18:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1767817096; x=1768421896; 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; bh=fQD4tqd+tzxOcNj4b+9n3FxkungouOe1P1ZBL2GQRoU=; b=cz5BjAS7gi+IVA6tBG+Ut8DZ1Fk4NZI/NbNp4kLwQ4BL3cxBJGwBjmDOd6xK7wrVBV KyENovd5lI5xKn6oDHlrmqrEgZ571eZ+df3AfR2CudbB/4z6JUJr50oFrQdrG65ey1n0 PFatDqOyarDjGyncI7Z3CN8QyrsJKFrbrqT8sWhZOuZ+TiDxLLqVSw77QItpGyECbXiK PFP5yfpppFSZDS7wd1mvnTzUHzqJlvI+or9MdhCKOKg8IErfg/Qx+6ntT+mn7588979q CGwnsMjI/jgcKfykYEhHO/FS0mhS61ZvkVcc0TYwg+4LNm0sJToWk79Hm0M26N908crU D+1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767817096; x=1768421896; 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; bh=fQD4tqd+tzxOcNj4b+9n3FxkungouOe1P1ZBL2GQRoU=; b=JG5RUVyEfxJ/fDJ0MOg/nOaw4Uxr4lSKPsWoueWfoz7OHqkcj5yW9VCtCui2llZHfq +X33+QSXgYvFCSGQvrs+A0sBoN2GoKQzhWpJjMey5Nqe+hJNRfpY5xPboPc7NKlwIu0X ymz6GaIamUGLj9h6bQ5SCf1tYDlmBpKdidxKN8m8CguviDDFUP8BEqhJ/2+2ehbD6TyX ZTdyfb7MAQ4gpavdBADHgAeUYnoQSYGmXEWREQR9s672lz4DXI3wV20HEwtE0gUv8uph pgQTt9Ht+JMHWWLG07vCYkC1Pe8t5J/iGEY0MR/Z9dGsWLLrONejjiKO9uBVrNQk6BlY TJrg== X-Forwarded-Encrypted: i=1; AJvYcCXMmC95O6Dv57NnHqkpgBU0jeo1qAjkcRddAqsE6fTFbU5XldkgGkPIvQ5ojdZVe3F5/L4071CCxfawbDw=@vger.kernel.org X-Gm-Message-State: AOJu0YwhBWG6ivfkFf0gM+lqvparlpwsO1E5ZmY+/ohkLE4btvSBye4y 5uvQVyqdGTJa5QCLuLm209SW1RrvyOHAfyDErP6GNFV8Jokh2RTfyde+ X-Gm-Gg: AY/fxX4RlLY3g8P/QNuym6Y+mPky5SH219grjrigxRqr6JVi2BmmbzZgE4hkHw1z9HL vHxo+K5aMUjmmVPXhslqhaqdmIk5szQhBzmc2codDfSV8nFLjCz9oY02xu+aFGpmjs1WpEx/oGC GBfZ2vuyTA2ECIwaQAV5V90DYczAem4F4rOcrHCcLJyoB5N+U+WN73aShxGtuen9Fun7kAU1fZ5 GIrxfhzGXng/Z7TLaI7fJ4IOdiceqCtPmnpS1WLe3+QXnqaRfXAhx7V9m42KGlh1PB95d6kPiyz aFWT87k9ZQh9fUrTjok66PqU4GXq6CRU0He17hmfiapboEMS7PmtwhroVBVRXcj0ZRa3TTsRrvf 38bzMcvTOycA0whtvW0NL1oTvXHTUU7pxwFime1FvOruMw4NB1WmOtu/n8kDbTF5KbGMnSakyqf oWiJ6XmFyCbzCQWvtsjsdyyqtYDxu03qP1 X-Google-Smtp-Source: AGHT+IFJZgyAXysQDNl4TXnrVOoRQ4ytxvqFUusezErvxkbzlqvbBHmkxAdmRqPPnvnRq5aVrJpjoA== X-Received: by 2002:a05:6870:4190:b0:3e8:9b72:5cda with SMTP id 586e51a60fabf-3ffa22c382fmr4175551fac.11.1767817096200; Wed, 07 Jan 2026 12:18:16 -0800 (PST) Received: from newman.cs.purdue.edu ([128.10.127.250]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-3ffa4e3e844sm3764622fac.9.2026.01.07.12.18.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jan 2026 12:18:15 -0800 (PST) From: Jiasheng Jiang To: Nilesh Javali , GR-QLogic-Storage-Upstream@marvell.com, "James E . J . Bottomley" , "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Jiasheng Jiang Subject: [PATCH] scsi: qla2xxx: add boundary check for RDP PUREX item size Date: Wed, 7 Jan 2026 20:18:13 +0000 Message-Id: <20260107201813.31687-1-jiashengjiangcool@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In qla24xx_process_purex_rdp, the function casts item->iocb to struct purex_entry_24xx without verifying if the actual data size (item->size) is sufficient. This can lead to an out-of-bounds read when accessing members of the purex structure or during buffer dumps. This patch adds a check to ensure item->size is at least the size of struct purex_entry_24xx before processing. This aligns the function's defensive logic with qla27xx_process_purex_fpin. Signed-off-by: Jiasheng Jiang --- drivers/scsi/qla2xxx/qla_os.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 16a44c0917e1..7e2ea880ac37 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -6075,6 +6075,9 @@ void qla24xx_process_purex_rdp(struct scsi_qla_host *= vha, uint rsp_payload_length =3D sizeof(*rsp_payload); int rval; =20 + if (item->size < sizeof(*purex)) + return; + ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180, "%s: Enter\n", __func__); =20 --=20 2.25.1