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 8357D7C6C0; Wed, 21 Feb 2024 14:00:19 +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=1708524019; cv=none; b=U3CU7AVN6CrN1qVMYpeVnMKfs+fowB0ZomLSUuscMQRqJ0ivm1KN2Oc7oigXObBdpS8YdO/7ejp48YFJwgj4Ux1PriZsTqU9MHwpLyH75fu97lqrZyI6DOEaRvXVS+PGwgGCC4ZFOsVOF6Dsv3jw3BdKgW5vLlkZJAuRIen7B/U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708524019; c=relaxed/simple; bh=aamcWPAk7g5u49/GZtbfyBwwp3JR03/jhAerAiNYYM4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NiTVAMWnEN0EG9iI4KKwsGpX6eMJLR9HN5d0rIAs93JYw1Ss0nHNu+GkJwW4/QwYYo7ZxRC7BbS78YbXa1M94PAp6wp4ZF8HNzksX7GhEIRNuY2GWoFYjT8v0oarhJluVZCSaFFagnxJshMaUxKFTcUCWbk7vI8q+lTpFQreFdc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=E8rJaU/g; 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="E8rJaU/g" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E4D9BC433F1; Wed, 21 Feb 2024 14:00:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708524019; bh=aamcWPAk7g5u49/GZtbfyBwwp3JR03/jhAerAiNYYM4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E8rJaU/glXPPvZqzKqJgg0XzCqiWsxVr9As6Co5YHxTs4LqKeZ8E65RxBPsYpZStV cnOJW60U+Bd4BdvyuDeuxyFqKZc9N57ViHz3hjhSED/ew8XBdp/KY2YrpSk//U5jeS J+UoBOWE0xfrvf19luQZ2m3MJ2XdXUtIrZMT5Q50= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, kernel test robot , Dan Carpenter , Manas Ghandat , Dave Kleikamp , Sasha Levin Subject: [PATCH 5.10 120/379] jfs: fix slab-out-of-bounds Read in dtSearch Date: Wed, 21 Feb 2024 14:04:59 +0100 Message-ID: <20240221125958.477385435@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221125954.917878865@linuxfoundation.org> References: <20240221125954.917878865@linuxfoundation.org> User-Agent: quilt/0.67 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 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Manas Ghandat [ Upstream commit fa5492ee89463a7590a1449358002ff7ef63529f ] Currently while searching for current page in the sorted entry table of the page there is a out of bound access. Added a bound check to fix the error. Dave: Set return code to -EIO Reported-by: kernel test robot Reported-by: Dan Carpenter Closes: https://lore.kernel.org/r/202310241724.Ed02yUz9-lkp@intel.com/ Signed-off-by: Manas Ghandat Signed-off-by: Dave Kleikamp Signed-off-by: Sasha Levin --- fs/jfs/jfs_dtree.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c index fafcb90219cf..a222a9d71887 100644 --- a/fs/jfs/jfs_dtree.c +++ b/fs/jfs/jfs_dtree.c @@ -633,6 +633,11 @@ int dtSearch(struct inode *ip, struct component_name * key, ino_t * data, for (base = 0, lim = p->header.nextindex; lim; lim >>= 1) { index = base + (lim >> 1); + if (stbl[index] < 0) { + rc = -EIO; + goto out; + } + if (p->header.flag & BT_LEAF) { /* uppercase leaf name to compare */ cmp = -- 2.43.0