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 8F9433595D; Tue, 13 Jan 2026 05:09:43 +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=1768280983; cv=none; b=d9JALrMyzmo15mJnU7IW1TxnHYQ6s8/QKr7yrlbGt3pyTvB4bxcH+TJ7nAXMhask8o8oC1oilAzCYSCSXuShnyCx6/ltcmxVAsh4sBP4Nym4fpuhZTu987CdGICPMsveg9RUf/juFk4HMQf+TmQNI1A1BMGtZCc1Y5YEzT8IreE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768280983; c=relaxed/simple; bh=UfvFSyQvMsF+1+H5v1iLg0/p3AR2bqf7nHryvjSdx+o=; h=Date:To:From:Subject:Message-Id; b=ZK/XOrf8c/crzL7lTcBb1HfF+xboUyyx7OwYTZSDAP1Tj5tiiG1whNNhNoSs1o8o6r9+puZLP3/pNdre8usEfPXJD//YSbm9UZUt5vjPsN7v3HJBykfCZlt4XjKgAYwbhAO1u8OmYSxmzUk/d9DqLoJ3vSyKjrCnext5yTdo5v8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=cd8FjDae; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="cd8FjDae" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65B32C116C6; Tue, 13 Jan 2026 05:09:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1768280983; bh=UfvFSyQvMsF+1+H5v1iLg0/p3AR2bqf7nHryvjSdx+o=; h=Date:To:From:Subject:From; b=cd8FjDaeuxJwVHFxpEiBIcWMxz0UzbcAnJx54QAg4kyBDp5TbvPsjtw5pDqWw9hYq +RhMNau+9zX+c0xjq1pYeZsk1G1JZlvNGV6y7/exxSuut3L/W6M8hu7JMIvjWqgArQ 8BXKAPI/Pr3f9fSG9R5poOaqFsybcBXXsY3OvTa4= Date: Mon, 12 Jan 2026 21:09:42 -0800 To: mm-commits@vger.kernel.org,yosry.ahmed@linux.dev,stable@vger.kernel.org,sj@kernel.org,nphamcs@gmail.com,hannes@cmpxchg.org,chengming.zhou@linux.dev,pbutsykin@cloudlinux.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-hotfixes-stable] mm-zswap-fix-error-pointer-free-in-zswap_cpu_comp_prepare.patch removed from -mm tree Message-Id: <20260113050943.65B32C116C6@smtp.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/zswap: fix error pointer free in zswap_cpu_comp_prepare() has been removed from the -mm tree. Its filename was mm-zswap-fix-error-pointer-free-in-zswap_cpu_comp_prepare.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Pavel Butsykin Subject: mm/zswap: fix error pointer free in zswap_cpu_comp_prepare() Date: Wed, 31 Dec 2025 11:46:38 +0400 crypto_alloc_acomp_node() may return ERR_PTR(), but the fail path checks only for NULL and can pass an error pointer to crypto_free_acomp(). Use IS_ERR_OR_NULL() to only free valid acomp instances. Link: https://lkml.kernel.org/r/20251231074638.2564302-1-pbutsykin@cloudlinux.com Fixes: 779b9955f643 ("mm: zswap: move allocations during CPU init outside the lock") Signed-off-by: Pavel Butsykin Reviewed-by: SeongJae Park Acked-by: Yosry Ahmed Acked-by: Nhat Pham Cc: Johannes Weiner Cc: Chengming Zhou Cc: Signed-off-by: Andrew Morton --- mm/zswap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/zswap.c~mm-zswap-fix-error-pointer-free-in-zswap_cpu_comp_prepare +++ a/mm/zswap.c @@ -787,7 +787,7 @@ static int zswap_cpu_comp_prepare(unsign return 0; fail: - if (acomp) + if (!IS_ERR_OR_NULL(acomp)) crypto_free_acomp(acomp); kfree(buffer); return ret; _ Patches currently in -mm which might be from pbutsykin@cloudlinux.com are