From nobody Fri Apr 17 07:12:15 2026 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1F2E424501B for ; Tue, 24 Feb 2026 05:28:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771910885; cv=none; b=mXCYs2n1yuksgFOqugZSS8za2Fd9dmz3RAqof5DSrjG1IJEIDQ7FwS8rVjlx/DCRs1Z6isv8dBXcw/+4IRMQrcD4zQBIayE+4RVwzVfPyt5cOkwVtjfvSJcwzp0izBQ6xGZc0dHm5B5y4jS6sDVEI2kRTpRoDpYz0E6rMgrtQHk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771910885; c=relaxed/simple; bh=ffeavd5L7URKt6lo8z3CCqg+VxX1K1oFq3pRiR9ffcA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=br7daHoIExiYnas2BiTJS1zxzXlxVjtgbbnJsEILAatjEkY4IwlbNq0fuWG7FI23/2CdYYuwBuWzHWrDueLBpFU2JhPIlbyC/yCESuVBbGie4yv5KsbrF6Zjs0/Hq06Nx4DYPNV7HYLVDXOvuresohQOBJpJld9S7qcYDiH9qhg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.161.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo1-f71.google.com with SMTP id 006d021491bc7-679c6ef1538so38040368eaf.3 for ; Mon, 23 Feb 2026 21:28:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1771910883; x=1772515683; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9qfbqE4EvGyscxcir5Y13mX7ZlTNpqiiKLsFetGWYmg=; b=QGu4ee9QIKO5OrSjjG2gmsOQHeXxZqI/3yHNLO57L0sdNajTZw2rIcJjYRBwirm5bV uprXm3417IhH340rUcJG01fE+yEaeIr6FQOHhNAVz8dL4KV6G3oNILX+GdOLu7k69H0u OJ6M2xjZiuXsEc7YfDTzp5LT+dxsDnzNkK8CV4YQgt4ngGmC2MqY2DQPKBXYDpLqy1Ho EH7ahtFqh+DBbDvtwL04CvKs22h7/djxFLjx4oCVt5ln6zjDJzwGmObzuPVQ5/4lLYgb j5PrA4waUYtqs0WCtbemP74yAcRnxZjUo2HUmVSasAA+dc6dFTNextAqEtYhhPunEFNp HFlQ== X-Gm-Message-State: AOJu0Yxi5tmbgwaatSWNlV8+pjWefyc9Adw9AlCxQSzRJDHpF5+gR1MB /dIC4leU9VBVyxaWfKPWzftiyo4rUab72+Z9jCPmA8vBJOBO8iM9tdW4z78KcWhfbj50gXL9A6r ue5BBiBZC5MQd2rwZjxjXaJXjtJV0rVZqB2872vnIOolCYe7dNVvHKC7prc4= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4810:b0:679:96f:3f0f with SMTP id 006d021491bc7-679c4502168mr4947398eaf.56.1771910883108; Mon, 23 Feb 2026 21:28:03 -0800 (PST) Date: Mon, 23 Feb 2026 21:28:03 -0800 In-Reply-To: <66fdfef3.050a0220.9ec68.0031.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <699d36e3.050a0220.cdd3c.03e5.GAE@google.com> Subject: Forwarded: test patch From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: test patch Author: heming.zhao@suse.com #syz test diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index de7f12858729..b7555aff169e 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -1224,7 +1224,10 @@ int ocfs2_create_local_dquot(struct dquot *dquot) int status; u64 pcount; =20 - down_write(&OCFS2_I(lqinode)->ip_alloc_sem); + if (!down_write_trylock(&OCFS2_I(lqinode)->ip_alloc_sem)) { + status =3D -EBUSY; + goto out; + } chunk =3D ocfs2_find_free_entry(sb, type, &offset); if (!chunk) { chunk =3D ocfs2_extend_local_quota_file(sb, type, &offset);