From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793763219; b=0CYAruCixDH7rDszMBSAzNQR75kn8L4t+PU3t3lLMowTguQH6CX2YEGKdWseWN8wbZN8 u5gNnL9TXRWjU9Aem4zQTlSCPiCwJVTP6FxdVS+DtL7/WWGX/mfu19XFOgy+4sfAh9p7m 1I7VbbVPRHjz5JSMG7QIbdGleL+8pt8LqrmB2DPWX/hYB5n1sFLgd7tDVNo6XkJvQGL2P pjKgVH0kmSF3CypSF6dDz8dOd+NjVb+xn9r7+4STTlS4yOpbzL8ekxsa7IGcMM2ohpjPt 17ojxK0fjhsbwAU4HGpK+GdO1SmFv62aIqinq/SSTWT+di5Cg5TFW9XkA1PtVy4Z8mw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793763219; h=Received:DKIM-Signature:To:Cc:Subject:From:In-Reply-To:Message-ID: References:Date:MIME-Version:Content-Type; bh=ceplu2oppQPensG9AZykMphuy6zcdHZhji9fasLS54I=; b=23z2FjcEEsgvWSZ/Ri0wg+bWtzZRPj3VMNnd5P9EJT78x+5TonAPLsvouN9xFK3LYF0v Uvnr9HwXK34HCPY6wYKHuxb7TZqWpNb1M5G3lIDEHv4RjNKxp5BqpaA41E9lPrxCyhuj/ p9WeM5nUsU/L9nCUhFGFot+S9h3k7DlIsF6gQfC80PbjfpUYPuc65Xrh4CqzrVXSJwgVy 0sxMzFcOAwBfWqzv43BYGPm7XvY0vujDuZzgEFJuCjsYOKVn8m30Uk1kHoN/3+qbmnP5t RSYBzWYGjyD9juNGvWemW49BgzfqCB60IzHcCW+xWDMtKcdh2PfGP8WQJVrE/20iT7Q== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b="TF8/JiTE"; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0F6E0606A31B for ; Wed, 4 Nov 2026 03:33:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=TF8/JiTE Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52D9C1F000C1; Wed, 4 Nov 2026 03:33:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793763218; bh=ceplu2oppQPensG9AZykMphuy6zcdHZhji9fasLS54I=; h=To:Cc:Subject:From:In-Reply-To:References:Date; b=TF8/JiTEI6ENgd4mp4nRn0ubTzuCzY9vduKSihsdftrdYWtbzjsBx+JNaTBc657KM ay8Q2NvAbMVmTPzbCKiFhnwn3j9ndwKK+0n0JqkvXNF7u5AA/ka1f3ZE2spaWQrfjy GtOSmBjlXZvyM5YKwgWhm4e6B/HrtU6ihhUnmu/rVlr9ArobYYVe4JArquCHTHHe1L QIH2I3DmFuO64/o9nzpCvbiW0Y5s7dj8/oYgJMDWLzl1Vqa8AohfD764ybXGoJzuzJ IHGcuJaZj+nmBCYGr9PD+vSAjL8ItFW06Oxpf1cX3Q1u6w0EmsEORUGgCLL2nK0Tbp LudA202w8bRAw== To: Matt Wang Cc: vishal.bhakta@broadcom.com, bcm-kernel-feedback-list@broadcom.com, linux-scsi@vger.kernel.org Subject: Re: scsi: vmw_pvscsi: add boundary check for cmd_map access. From: "Martin K. Petersen" In-Reply-To: <20260929231459.630938-1-matt.wang@broadcom.com> Message-ID: References: <20260929231459.630938-1-matt.wang@broadcom.com> Date: Tue, 03 Nov 2026 22:33:37 -0500 X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain Matt, > The context value provided by the device in a completion is used to > index into cmd_map to find the command that was completed. To prevent > out of bounds access or completion of an inactive context, check that > the context value is in-bounds and that it maps to an active context. Applied to 7.5/scsi-staging, thanks! -- Martin K. Petersen