From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 9FB173D903A for ; Tue, 24 Mar 2026 09:08:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774343287; cv=none; b=MIkhGcCiIG9J2I73oQctA6+zKvJRPdEXdqQJiwRueNThg1dig56E6Wah+9eN0mHZEOkVJ10PiquIixKqWtU7I9wZ+7t2EsAhVXTf9BlDFEL8VcOxbBE7+KmFSMCLPMK+LLO6xqDMquQ5hN9Ud6tTYo38py+YZyA+/xIG5RNgtJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774343287; c=relaxed/simple; bh=XfnVTlM9gagPGdo343BrwDXNn/m73+sX1WAkeTm3Kf8=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=LOnoReTkBzGhC+WNMWWCZGpaQMNR9Q8IaS/bDttgbpjQGbi52FrgqZwsDxBGjHn1OcttUmrmjDd6fvC0rvXFNzTHNMkPYElwokH6Xs1puy3AK4NDvnbFhOA7mAYZnB7YPQ3zyT24fYsV7jaIPqVA059YVsUKTtVNvlU9bWV2X98= 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=209.85.161.69 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-f69.google.com with SMTP id 006d021491bc7-67df0afe23dso22380239eaf.3 for ; Tue, 24 Mar 2026 02:08:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774343283; x=1774948083; 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=ftg+ZGhajQhEQJTdhRvF5oJi5h6jhqQW9ccLWUuvztM=; b=b2on+EqPtn+DnZth95j4XoU5Zcdun//90OpBCLaed7dPYEGaAA2Qu37HdVvvU3x8Wp J9X+JNJg30Ss+OVA25kzZmM+m146e4JSCZQpuC/ZtqSsQotAf8L4Q7DY5Pqg9P5ZgLjd CCYnPNi1DU8vMJjLe5FH+fdJp3p6pIGDXwlb+sJAyr782vqYG2zHyUsWHDErvNbEojcH dLKZ3bvU4Jm32x30Xb0RMk4NE4gkd4zA8DqFBtSZRGwHYEMgnhdfGTjTSR8DnwkrH+Cd GgfiGyTNrRJJqx+Aiee2kU6bRsFeq5H2kDIatnKfP8Tybrh8iyH2QdrHrYS/Np3c+too q95g== X-Forwarded-Encrypted: i=1; AJvYcCXWRfKtl0MYOAXKTIL99CdkmvzHAFnHkc/SHppIjgzFB0iTGNO20Ni+iHRgCjuDQcCaSgLqzmtFlp0WdpXh@vger.kernel.org X-Gm-Message-State: AOJu0Yzm0QcVV7OMNRHVqGrd2PGBgXhHrzzhIQv2GVG5N5rPhEYUCQdi 1s5xucfZC1LXPZJafmIX73D+noY4/yTIIeiURuGCsHEodi8Ha12fvP2j6tc9Q7WLCzaVJY442xn EXtyiKeJ1FCmSP4FzGeg9EMwWyw/yFWCiaKZbTL0Nam1B612CNCVmWdQHDSw= Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2012:b0:67d:ee3c:9acd with SMTP id 006d021491bc7-67dee3c9d35mr4342637eaf.5.1774343283653; Tue, 24 Mar 2026 02:08:03 -0700 (PDT) Date: Tue, 24 Mar 2026 02:08:03 -0700 In-Reply-To: <20260324-grauhaarig-gedeutet-f7cb2f86e1a6@brauner> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c25473.a70a0220.3cae05.000a.GAE@google.com> Subject: Re: [syzbot] [fs?] general protection fault in __umount_mnt From: syzbot To: brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+e4470cc28308f2081ec8@syzkaller.appspotmail.com Tested-by: syzbot+e4470cc28308f2081ec8@syzkaller.appspotmail.com Tested on: commit: 14594a14 mount: always duplicate mount git tree: https://github.com/brauner/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=17e5aa06580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d485346661badf84 dashboard link: https://syzkaller.appspot.com/bug?extid=e4470cc28308f2081ec8 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.