From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-221-245.mail.qq.com (out203-205-221-245.mail.qq.com [203.205.221.245]) (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 1DF43ED0 for ; Sun, 17 Dec 2023 03:44:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="uHypg7YJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1702784376; bh=WQbUQm6qO8In/5RqnmlJGX6EUe/PtdIM3FORG9wb+NI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=uHypg7YJ/LZow+aP+vn1Z8Kx3jFaeW2DvV4uTSR0WfmH2O42tjrjZUFvVNgwMBKtf N/B+sKvRiviy2X3zoTEOfO5FoAPSzjgeC8y9xg6ucD9/1L1fjDtiqtWTAAHjMyhRL4 6Gg37w8zyh33wFRQ5A1ZMobyHTnTqGqe04lsx20k= Received: from pek-lxu-l1.wrs.com ([111.198.225.215]) by newxmesmtplogicsvrsza1-0.qq.com (NewEsmtp) with SMTP id 9E237A82; Sun, 17 Dec 2023 11:39:34 +0800 X-QQ-mid: xmsmtpt1702784374tnp41sele Message-ID: X-QQ-XMAILINFO: MIXpHopat2IaZk3GntdovwnmryiIzE/j9qSjqNkzb2z1jPLHW2Ti1HTRtY31Rh r+U5doDksGdh5oy4YVM9GB6Q4fVIi4A1I3NYlo0jm9n7W6pJNYzoL99qh4U+BX5jJhFeeOnuqhX8 W15+cIPGpDi8iJaYCJVPFKMvWMIaDoFFkqj7JExWvU1cfbtLBdi7oVLNRhETvA5h4WJbp6qktc6c aZW/pWDR86EiGVCf4rpatt8GHd5LnscgtKYxeTrOKUZhEWvFeQhcL3kvVvO0LHYVQ4A1L08kJ+7g JiQrjHjEjefRfOB62ObbvIdz3xCMAmznCfWrQozKUp6wHNi7S+GzwKR6mIewuFwVjIF3EBdEPAMx 6VQcf75r+DtUv2E+PIuEO/cORQK5mZ5T7IcCZoeF4SWFK+lCwfbM8YJzpg0ewUoV6n/jW5kohjIC Zk31Du/5jQ+9p179KOHRo3lKUBIaqG2R5PKBdeuNo5UGUP5GBUPow0GtRAUvMGwHh0gQhIg/YmP2 Gfv3qHrPUSRwSgB+otI7cufRux2MRLrH7cU/zOepVTEYMoZ+6JjcRy4i0tCtJnRe4p7+gReuqwuE 06WKGeSb4lksu+eqfNxaNy9lJLG0nOaot8hWipvViHobR7YB3zdHJkDI2wppUUP57pVuq84ql/Gt zZT/lKep+2nYjRjN11A9cHfwk1JC6SvC1U7uZNwRdY1TNCNl2CZkvOv0Fx2jdyI+6rf7TH60i82u uiNQMVPxodCh7lTyO4DYPZtj9kTme37U9ukHqwd5ZpIoFE6f2NCB5KutnwciNdUEizw0YPanbdn1 czrpQLFZpBV4tIavtLkhCATgcfZ025brnSkibcN2c/9toYu3QHisxkhALvdzZZWy/hhcNJf+y4FY sl1czWSiWe6u751T/qfaiLH2pUgo+dQ5U8PuguEYuoyxZ/WA1xdzTaHh9WVDnSfosIHx4SHbYo X-QQ-XMRINFO: NyFYKkN4Ny6FSmKK/uo/jdU= From: Edward Adam Davis To: syzbot+8608bb4553edb8c78f41@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [reiserfs?] [squashfs?] BUG: Dentry still in use in unmount Date: Sun, 17 Dec 2023 11:39:35 +0800 X-OQ-MSGID: <20231217033934.3915845-2-eadavis@qq.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <0000000000003362ba060ca8beac@google.com> References: <0000000000003362ba060ca8beac@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit please test BUG: Dentry still in use in unmount #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3bd7d7488169 diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 4382881b0709..c366b0c6fad2 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -808,6 +808,7 @@ static int ovl_copy_up_workdir(struct ovl_copy_up_ctx *c) return err; cleanup: + ovl_end_write(c->dentry); ovl_cleanup(ofs, wdir, temp); dput(temp); goto unlock;