From patchwork Tue Aug 20 09:45:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lizhi Xu X-Patchwork-Id: 13769788 Received: from mx0b-0064b401.pphosted.com (mx0b-0064b401.pphosted.com [205.220.178.238]) (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 E1BED18E364 for ; Tue, 20 Aug 2024 09:45:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.178.238 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724147136; cv=none; b=S961DSESaIhJitoqhbLQCWXPLiM09b9lQ2TTnTNZSgMuxZHfMcQxOzFtjVtrK7iue6r0qoC/eKSMufmBF/HHftCkElLyS7h/zwb+8MrnS/gyQjNu+bIYb20dxy0is1HsObTSrfWbHOjPC/v8mYsugi2tdxF7uk/oD/W68E2LYkI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724147136; c=relaxed/simple; bh=IUh3M2NA8v+/jNGMXIAKIlePznJx81OmGvFyXoHpvI0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=MTd79WLq17YtKPiSkJg+EDAf2miEvJwIbYJrTSy41kLpX7CBMwAUtQIwACNlCQNA9lhzytOdF8DYf26dtgCdy0isI3ZRiqIzr9aCei0IbpPrI0hytnk78zNl9SJktHNyByO18NZbPXfph00dYeqiVGBxWYE6mjizYYDCW9APZ38= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=windriver.com; spf=pass smtp.mailfrom=windriver.com; arc=none smtp.client-ip=205.220.178.238 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=windriver.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=windriver.com Received: from pps.filterd (m0250812.ppops.net [127.0.0.1]) by mx0a-0064b401.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 47K5o2bW030619; Tue, 20 Aug 2024 09:45:17 GMT Received: from ala-exchng01.corp.ad.wrs.com (ala-exchng01.wrs.com [147.11.82.252]) by mx0a-0064b401.pphosted.com (PPS) with ESMTPS id 412ju6trqn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 20 Aug 2024 09:45:17 +0000 (GMT) Received: from ala-exchng01.corp.ad.wrs.com (147.11.82.252) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 20 Aug 2024 02:45:15 -0700 Received: from pek-lpd-ccm6.wrs.com (147.11.136.210) by ala-exchng01.corp.ad.wrs.com (147.11.82.252) with Microsoft SMTP Server id 15.1.2507.39 via Frontend Transport; Tue, 20 Aug 2024 02:45:13 -0700 From: Lizhi Xu To: CC: , , , , , , , Subject: [PATCH V3 1/2] ocfs2: remove unreasonable unlock Date: Tue, 20 Aug 2024 17:45:11 +0800 Message-ID: <20240820094512.2228159-1-lizhi.xu@windriver.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <980b3f4d-f265-4eb4-96a3-8f1a75588193@suse.com> References: <980b3f4d-f265-4eb4-96a3-8f1a75588193@suse.com> Precedence: bulk X-Mailing-List: ocfs2-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: wFZPGbkqTLUmMNRGT2X83fy1iysE0CZ1 X-Authority-Analysis: v=2.4 cv=VdWlP0p9 c=1 sm=1 tr=0 ts=66c465ad cx=c_pps a=/ZJR302f846pc/tyiSlYyQ==:117 a=/ZJR302f846pc/tyiSlYyQ==:17 a=yoJbH4e0A30A:10 a=hSkVLCK3AAAA:8 a=edf1wS77AAAA:8 a=t7CeM3EgAAAA:8 a=iox4zFpeAAAA:8 a=HuAlKsfkTx2sNoB5ci0A:9 a=cQPPKAXgyycSBL8etih5:22 a=DcSpbTIhAlouE1Uv7lRv:22 a=FdTzh2GWekK77mhwV6Dw:22 a=WzC6qhA0u3u7Ye7llzcV:22 X-Proofpoint-GUID: wFZPGbkqTLUmMNRGT2X83fy1iysE0CZ1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-08-20_09,2024-08-19_03,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 spamscore=0 malwarescore=0 impostorscore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 lowpriorityscore=0 bulkscore=0 priorityscore=1501 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.21.0-2407110000 definitions=main-2408200072 There was a lock release before exiting, so remove the unreasonable unlock. Reported-and-tested-by: syzbot+ab134185af9ef88dfed5@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ab134185af9ef88dfed5 Signed-off-by: Lizhi Xu Reviewed-by: Heming Zhao Reviewed-by: Joseph Qi --- fs/ocfs2/buffer_head_io.c | 1 - 1 file changed, 1 deletion(-) diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index cdb9b9bdea1f..e62c7e1de4eb 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -235,7 +235,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, if (bhs[i] == NULL) { bhs[i] = sb_getblk(sb, block++); if (bhs[i] == NULL) { - ocfs2_metadata_cache_io_unlock(ci); status = -ENOMEM; mlog_errno(status); /* Don't forget to put previous bh! */