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 E85A214D2A9; Fri, 29 Mar 2024 12:48:16 +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=1711716497; cv=none; b=HNOyXddFS3PBtLvWAKSNE9pk8o9Qw6Wun1XqEeWOr/bCZqHEoJRSiRLsc/0N1ZZOPPY0oW+sV4sKX+gu1tvVi5+joXswt1auzhbkslnebYOvxcc9WPtfBaQenVXbk3atIUDXVQtStVDhIbxpdUY7ASRdNiBmHX4Ak8nQQXfzmH0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711716497; c=relaxed/simple; bh=PNnQIu4sQmiRNsOjKa9qObJuWT1p42oVoTp1SKk+974=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kZPz08E06PrBbGSowYoV25jNZyxsfwEElUA7WY2qym65GV45fG5FHAXm6vyd+rnji6paLs8g8EXEoRe/FYPXNNla6E8wqOlWkeQLe5VPc4ffdu0wpGY1pR95VMcDKqb4LoKaSKdi3ggNKvtfZmGftXmkZqm9j/C56xScTLmg20Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PZ8Z+A41; 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="PZ8Z+A41" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D6E05C43390; Fri, 29 Mar 2024 12:48:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711716496; bh=PNnQIu4sQmiRNsOjKa9qObJuWT1p42oVoTp1SKk+974=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PZ8Z+A41ZIdDI/fge9K4UQoN+1zK71p0RyOVEX0gv7ydTLUYE3XTiLcoSlPW6INus fVL8oSumbYyzNz1rmY5xY71GDJtBPGNVxQzHrsPAoq1ojYfhJW2xfX+1J7v3wRoU2h 1RDWb4sC8gA4nRhUp+YDBtCSfnVwLMzeDYaB+Ppz6UtNUHEJYLgKHWWIhj/UXw2FLw Ov1ehtc3qOuhxX641XGP+AOzXK8HPXCbrP+oVfOWI/s89zxHZpCudvPGRcNzK0HdZx mL9eA3iHXilglpwSV5wWxqmik4OrKhvXmTuOVR7cKtAGrH4dfhxFIKG3WWFophp2oI gXGGkbm18GcLA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Ye Bin , Jan Kara , Theodore Ts'o , Sasha Levin , adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 15/34] ext4: forbid commit inconsistent quota data when errors=remount-ro Date: Fri, 29 Mar 2024 08:47:16 -0400 Message-ID: <20240329124750.3092394-15-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240329124750.3092394-1-sashal@kernel.org> References: <20240329124750.3092394-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.153 Content-Transfer-Encoding: 8bit From: Ye Bin [ Upstream commit d8b945fa475f13d787df00c26a6dc45a3e2e1d1d ] There's issue as follows When do IO fault injection test: Quota error (device dm-3): find_block_dqentry: Quota for id 101 referenced but not present Quota error (device dm-3): qtree_read_dquot: Can't read quota structure for id 101 Quota error (device dm-3): do_check_range: Getting block 2021161007 out of range 1-186 Quota error (device dm-3): qtree_read_dquot: Can't read quota structure for id 661 Now, ext4_write_dquot()/ext4_acquire_dquot()/ext4_release_dquot() may commit inconsistent quota data even if process failed. This may lead to filesystem corruption. To ensure filesystem consistent when errors=remount-ro there is need to call ext4_handle_error() to abort journal. Signed-off-by: Ye Bin Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20240119062908.3598806-1-yebin10@huawei.com Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/super.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 65716a17059d0..a77a8cd75cd9e 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6162,6 +6162,10 @@ static int ext4_write_dquot(struct dquot *dquot) if (IS_ERR(handle)) return PTR_ERR(handle); ret = dquot_commit(dquot); + if (ret < 0) + ext4_error_err(dquot->dq_sb, -ret, + "Failed to commit dquot type %d", + dquot->dq_id.type); err = ext4_journal_stop(handle); if (!ret) ret = err; @@ -6178,6 +6182,10 @@ static int ext4_acquire_dquot(struct dquot *dquot) if (IS_ERR(handle)) return PTR_ERR(handle); ret = dquot_acquire(dquot); + if (ret < 0) + ext4_error_err(dquot->dq_sb, -ret, + "Failed to acquire dquot type %d", + dquot->dq_id.type); err = ext4_journal_stop(handle); if (!ret) ret = err; @@ -6197,6 +6205,10 @@ static int ext4_release_dquot(struct dquot *dquot) return PTR_ERR(handle); } ret = dquot_release(dquot); + if (ret < 0) + ext4_error_err(dquot->dq_sb, -ret, + "Failed to release dquot type %d", + dquot->dq_id.type); err = ext4_journal_stop(handle); if (!ret) ret = err; -- 2.43.0