From nobody Wed Feb 11 04:17:47 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 A496C274659 for ; Tue, 10 Feb 2026 13:53:06 +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=1770731587; cv=none; b=nK3FKSmSw/RRake77+goSBuBtHuyWWZRXAatFPWnDSSMMgRFoX68KEn+TJfzAJYSmduRgQb+jZDOoOBVwCw34OsF0aTHC0UAkX//stWG+TGgeGH9yKgdBrseHkQejUz9JcB4QQoGYGdsiUX1RuIApKh+IK0csGrBlq9gDox+Fs0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770731587; c=relaxed/simple; bh=ghEZUExEX528BX9NOGHzcy5xg6M7GKx8guvdsek1otM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=JcrkUaYhyQm0TMllzeVrNxm/9pj/uBJwaXg4AfAP3VfqV9D71cvTkOslQmL1bCUdvolQ+R0KRpxbjLIJIWSTyZNx4NeMiCSxLVPgvn6XDCTi1rMy73dKNnYhlrKPWXmYegni6TeTcfWCRz5bKb3+fZYsLEFCP83aOoz6bC/FT0g= 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 006d021491bc7-663118d3eb2so25158057eaf.1 for ; Tue, 10 Feb 2026 05:53:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770731585; x=1771336385; 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=axLJN0uqI/Q/nNiJDtlj4qwn3x2rGtkQ9wBeFpuU1gY=; b=rXGHZfQ2kV/HtJ6n3BxB/OLB5u7CFTUhOTWoMqToNopY/mAtih5Ga73+JfjrV0+K6B 2xseTCrshxazRnoQFFeyA8QKBxSVRSssWE1MxzwViMz6WMXomx+96NUcHrbidgzvQh5q kxSFuNa7HesrXeihXOqroZPvMp5XVL3DvRxW1884Owhtr+zL6EgXJNacOqvOulTdhs8X LKuA5fJ5YQ8YGIeDbZF+4drJJU/03QYZxTUrKT7SZ4/tN5RkM+BF9aXU0C6K6GqJSJn5 jpl/5LoqORRum8tCwQIJVzS47+Yd9ieZe38abBOW2c+pP/UQdE0HG5YxGKypzfwW6M1B 8LEg== X-Gm-Message-State: AOJu0YwAmeJjgxLYpp/XitWEHYijnqqjn7jfTguf088mfonBvfD/eDUH q8lMdLDGnAhdJX6LR+q1vxzAViO/ECqk07DQXhA6bHmjzKkhbwKjaWjVdEhFd4Jvs71bSEZO3sN /20C5IjSrHyzZzdG0gWeNEmfLlgdHDbR6krlsZ+lUjr6Ya9XZhYYF5DqKaJ0= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2287:b0:663:4d6:1ccb with SMTP id 006d021491bc7-672e3c7e042mr984006eaf.1.1770731585738; Tue, 10 Feb 2026 05:53:05 -0800 (PST) Date: Tue, 10 Feb 2026 05:53:05 -0800 In-Reply-To: <6767d8ea.050a0220.226966.0021.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <698b3841.050a0220.2eeac1.0089.GAE@google.com> Subject: Forwarded: Testing for v4: scsi: target: fix recursive locking in __configfs_open_file() From: syzbot To: linux-kernel@vger.kernel.org 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. *** Subject: Testing for v4: scsi: target: fix recursive locking in __configfs_= open_file() Author: activprithvi@gmail.com #syz test upstream 3a8660878839faadb4f1a6dd72c3179c1df56787 Signed-off-by: Prithvi Tambewagh --- drivers/target/target_core_configfs.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_= core_configfs.c index b19acd662726..5169eda2c563 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -108,7 +108,7 @@ static ssize_t target_core_item_dbroot_store(struct con= fig_item *item, const char *page, size_t count) { ssize_t read_bytes; - struct file *fp; + struct path path; ssize_t r =3D -EINVAL; =20 mutex_lock(&target_devices_lock); @@ -131,17 +131,14 @@ static ssize_t target_core_item_dbroot_store(struct c= onfig_item *item, db_root_stage[read_bytes - 1] =3D '\0'; =20 /* validate new db root before accepting it */ - fp =3D filp_open(db_root_stage, O_RDONLY, 0); - if (IS_ERR(fp)) { + r =3D kern_path(db_root_stage, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &path); + if (r) { pr_err("db_root: cannot open: %s\n", db_root_stage); + if (r =3D=3D -ENOTDIR) + pr_err("db_root: not a directory: %s\n", db_root_stage); goto unlock; } - if (!S_ISDIR(file_inode(fp)->i_mode)) { - filp_close(fp, NULL); - pr_err("db_root: not a directory: %s\n", db_root_stage); - goto unlock; - } - filp_close(fp, NULL); + path_put(&path); =20 strscpy(db_root, db_root_stage); pr_debug("Target_Core_ConfigFS: db_root set to %s\n", db_root); base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787 --=20 2.34.1