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 721E412E7A for ; Sun, 29 Oct 2023 22:57:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GbgBNm+B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B40C8C433BB; Sun, 29 Oct 2023 22:57:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698620269; bh=/hoZrSFkrFBTJcCRbT2QPw/OfnnvF91P8+vYphp+inI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GbgBNm+BisdRej34qGSfghRm81bAUho/yXHr8b4WPrWNzr1Grms8cJrJU2i+/OgqE wMoEd1fxypXUGKE015h9HObEBGsy3Nc0DvQHLY9MB78X5f6KzECl84UO+4s34Vzkyo qcMTebxMfMD5rsgLkwoEZpWZNahGohhku1dgYtbmDKm/J1HWELct0rLNID48chPeZa CDsnI5DcZETPc90pPpHKlkCnY4BBbsKjYFabZ3RAlLCcwXNSZPYU1aWp+4v0CIMRl0 HzJU8/5UKdQ5Hw0DpYfncf1Jg19sczu4zOjrpprCzek7NJHIXKHotYB/n8j3H3AyIH D6Lr+AySYNvLg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Konstantin Komarov , Sasha Levin , ntfs3@lists.linux.dev Subject: [PATCH AUTOSEL 6.1 06/39] fs/ntfs3: Fix possible NULL-ptr-deref in ni_readpage_cmpr() Date: Sun, 29 Oct 2023 18:56:38 -0400 Message-ID: <20231029225740.790936-6-sashal@kernel.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231029225740.790936-1-sashal@kernel.org> References: <20231029225740.790936-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: ntfs3@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.60 Content-Transfer-Encoding: 8bit From: Konstantin Komarov [ Upstream commit 32e9212256b88f35466642f9c939bb40cfb2c2de ] Signed-off-by: Konstantin Komarov Signed-off-by: Sasha Levin --- fs/ntfs3/frecord.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ntfs3/frecord.c b/fs/ntfs3/frecord.c index 166c3c49530ec..bb7e33c240737 100644 --- a/fs/ntfs3/frecord.c +++ b/fs/ntfs3/frecord.c @@ -2149,7 +2149,7 @@ int ni_readpage_cmpr(struct ntfs_inode *ni, struct page *page) for (i = 0; i < pages_per_frame; i++) { pg = pages[i]; - if (i == idx) + if (i == idx || !pg) continue; unlock_page(pg); put_page(pg); -- 2.42.0