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 C2D0D3E929F; Tue, 31 Mar 2026 14:30:24 +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=1774967424; cv=none; b=Y9ydr3gCtySqBmEnyx8I+QYhKRYA1OBekV4mkVVR56M6gaCk4h+RZvEMDn8Kd98CbOop1DKeJ18F/UH8r66ygqoeByNglVilnftWUqrzrVNqG+/GO8eMxlMGMgOqIWq7GE/7oZvIDfzz7xK+ZywlTu0rgRoYa4HI5aDQ+m99ASs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774967424; c=relaxed/simple; bh=1M+GkuX6cJUtVL9hB/WZX06T52hMAYbAlmVBD3+KHU0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=SKY9kNDkv8xDq3VzWXedxS3VdTBh7RbSDO78b8ypPlr/ZSC02RJ1ZbRzU2ESWOT73qJWUezeJC7fZiN4hwWoiKODINYyGUg3CLw0PaqdWIiZb0nVeBuCpMnOyak+wXSpPJKPAbOkqcc/eoZ0CrRgF9INYroxnJesBZv6UrX0gAo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QHSyjxsh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QHSyjxsh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A8FF7C19423; Tue, 31 Mar 2026 14:30:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774967424; bh=1M+GkuX6cJUtVL9hB/WZX06T52hMAYbAlmVBD3+KHU0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=QHSyjxshnY0XUZYqbU6YqoYn4aLUcj7ESnrWiSmJq/I7Ys87DbFxbuLOXyJofc8d+ XaqfmXK98Rjnb/p0k6AM7lfqXXCg6iWidF9T7Vdvnwkn+eLTbTxE2xZZ1X/lKkQ9y/ GvHfVrPAADhiSUZrD0/d6C5MvBdcnUMxYdfKFWPdG9GdnGbYwgdQg1tFprpwqBJzYX UHJpolbPggySSWQ5vk5sn7JyCOJjYOM5mV3omxH8FQoR3f6emG2nDkse0hNcfMU6cr u+WswTncPwYepfYHM2BfGnfg8tQbPCOK1ztodK9Od4rqb6MyUn4VOlstqJ90kHPZbj gUbklZkXfVvSA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7CD893809A05; Tue, 31 Mar 2026 14:30:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync From: patchwork-bot+bluetooth@kernel.org Message-Id: <177496740803.2731558.9193242747633062811.git-patchwork-notify@kernel.org> Date: Tue, 31 Mar 2026 14:30:08 +0000 References: <20260331053916.1856760-1-hkbinbinbin@gmail.com> In-Reply-To: <20260331053916.1856760-1-hkbinbinbin@gmail.com> To: hkbinbin Cc: marcel@holtmann.org, luiz.dentz@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to bluetooth/bluetooth-next.git (master) by Luiz Augusto von Dentz : On Tue, 31 Mar 2026 05:39:16 +0000 you wrote: > hci_le_big_create_sync() uses DEFINE_FLEX to allocate a > struct hci_cp_le_big_create_sync on the stack with room for 0x11 (17) > BIS entries. However, conn->num_bis can hold up to HCI_MAX_ISO_BIS (31) > entries — validated against ISO_MAX_NUM_BIS (0x1f) in the caller > hci_conn_big_create_sync(). When conn->num_bis is between 18 and 31, > the memcpy that copies conn->bis into cp->bis writes up to 14 bytes > past the stack buffer, corrupting adjacent stack memory. > > [...] Here is the summary with links: - Bluetooth: hci_sync: fix stack buffer overflow in hci_le_big_create_sync https://git.kernel.org/bluetooth/bluetooth-next/c/4797dfba1aa5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html