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 98AC52F5316; Thu, 13 Nov 2025 16:38:10 +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=1763051890; cv=none; b=Kbowgt+H0ckXs9zF3a0gupW/AF65+rtoWaKHyTXA+1fH2NgVFDq4jVcPWrrAibsrMxHoeQpmnv61Ex16wXiMewobH5uy6n9KJ5uPSIYLBkJoxkNYhiO9/ZK7h8za1RfLN6Gek18QVqRATmZcx3nT27bAnscKQLgvUisILMBOCkY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763051890; c=relaxed/simple; bh=W/DqeeIcK6GazQCricaLbDQV0gL23WnHpeFTOhOoUc0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=upQGQ0c83L9KnLZ1FwGC/0FkdirP06XSqxQX9dsKNR++mbZ1FwP6BdaNeMnkOrTWgsU7H+/QopItTxM+f1oAxnaN7e8iDs0XKjmYqwRDKdCGgibPxAYzfVHMoS/Bjkwqtl/1gkGt6NvChwjhLLehXTeILAUIG43HRL3r1wnE0do= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DmN1knSB; 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="DmN1knSB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 327C1C4CEF1; Thu, 13 Nov 2025 16:38:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763051890; bh=W/DqeeIcK6GazQCricaLbDQV0gL23WnHpeFTOhOoUc0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=DmN1knSBAfacY+ovxLMQRZz2uycJwnTg/56ni/LvuRUdIvOHlCzeXxE2BoPVfqtly EYUqdvHf7evXP8kEGH4dG5j+oi5KMygjWhNiH81sYA+FyISwJ7BnAH0KPOBLq66gCe Sj1CtfjwwJlaj9IQTgwDQIejHpXX6DexX5yRseg6asZdx7k0KT9bGmNQ6+t6matu44 c7WudcvS/j5/pVTEYzp7RPgIt//MCyVgXgx1U+A2i8GdmcBaN6XEKKVoLgHYVD7qKS g8deWGKeYKxwAgiBEJxa7IZ1Go3cro0IPlgPmy64g2js4GR2M6TZdfjuyGCXeC7lV/ JJMJo5Ow3fsSA== From: Christian Brauner Date: Thu, 13 Nov 2025 17:37:27 +0100 Subject: [PATCH v2 22/42] ovl: port ovl_maybe_validate_verity() to cred guard Precedence: bulk X-Mailing-List: linux-unionfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251113-work-ovl-cred-guard-v2-22-c08940095e90@kernel.org> References: <20251113-work-ovl-cred-guard-v2-0-c08940095e90@kernel.org> In-Reply-To: <20251113-work-ovl-cred-guard-v2-0-c08940095e90@kernel.org> To: Miklos Szeredi , Amir Goldstein Cc: Linus Torvalds , linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, Christian Brauner X-Mailer: b4 0.15-dev-a6db3 X-Developer-Signature: v=1; a=openpgp-sha256; l=821; i=brauner@kernel.org; h=from:subject:message-id; bh=W/DqeeIcK6GazQCricaLbDQV0gL23WnHpeFTOhOoUc0=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWSKcbo5rfxnePNOj2bq7xedGXV/D4cGuAi8W2PBwMq4j te5mEuwo5SFQYyLQVZMkcWh3SRcbjlPxWajTA2YOaxMIEMYuDgFYCJ3yxgZVpiXNekayCwPye7t D3mYfKsn+oVib93rvT+2Bk74PG2CFSPDtiDnrA//riuVeBiqKPKtEjjLOnfxGaV6l+8iE2588nb hAQA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Use the scoped ovl cred guard. Signed-off-by: Christian Brauner --- fs/overlayfs/namei.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index e93bcc5727bc..dbacf02423cb 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -979,15 +979,10 @@ static int ovl_maybe_validate_verity(struct dentry *dentry) return err; if (!ovl_test_flag(OVL_VERIFIED_DIGEST, inode)) { - const struct cred *old_cred; - - old_cred = ovl_override_creds(dentry->d_sb); - + with_ovl_creds(dentry->d_sb) err = ovl_validate_verity(ofs, &metapath, &datapath); if (err == 0) ovl_set_flag(OVL_VERIFIED_DIGEST, inode); - - ovl_revert_creds(old_cred); } ovl_inode_unlock(inode); -- 2.47.3