From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from r3-18.sinamail.sina.com.cn (r3-18.sinamail.sina.com.cn [202.108.3.18]) (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 9860A253B58 for ; Sat, 8 Nov 2025 06:38:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.108.3.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762583937; cv=none; b=cR2AxgZzoqUzJQts99YzhGAD7iw9NVhMarPAElfc70O64qKAlGA7cmALFvjHgeB6+q+55iEnVKXALsE3sEWlmNgYuskJMb23/7CgpWoEsoFccARLhwyN3u/bTsmnbFVyk0jD+1VS/dHvUPGzsDrLG/7T5Y1pFXvB17CpScowp1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762583937; c=relaxed/simple; bh=zF6NFIPhancgZwzI+bXc5KtjO3KI9qIp1pmV/zh2+AU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HAIXwqGvl95ikE+Ljpr4PRmvGzTejfxmsRoAKmzcc8ohtcc9Uh0LPpfny8qNPNSAJaPUA2/oxZd8u+dlnHMR1DkSezlZqbFyrt1Gpd4H527hEYCvDnmKeYB7iWKfxh1nR9Zj2qFn3upBxvuJZ+WujZRtSuBntSu7TlP/9Uwr5Zw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=OWvWzgPg; arc=none smtp.client-ip=202.108.3.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="OWvWzgPg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1762583932; bh=Hhl6lRv0tgLFZwJJkwrly+HsRbncDvU6qYbvV6Re+Xw=; h=From:Subject:Date:Message-ID; b=OWvWzgPgT8RenOizOLLeMIyEtQOHC4wY0Dun5DjKNEg3VUgBPK7k9cZ8AIc3ll6m9 LM5Tus8eRbW6QjQwxOAX3PYYc4b73pJflTeUd5TpZCzP7jpFUSZHwx0mchHdWouAPo XW2aA5n3oI4sXI5JBjDDz5wHTsp8cFGZszOGbqlg= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.57.85]) by sina.com (10.54.253.32) with ESMTP id 690EE571000056FC; Sat, 8 Nov 2025 14:38:43 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=hdanton@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=hdanton@sina.com X-SMAIL-MID: 1975514456628 X-SMAIL-UIID: 8F3D1C4BDE524BE8B6F4EEB69C07B80E-20251108-143843-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [lsm?] WARNING in put_cred_rcu Date: Sat, 8 Nov 2025 14:38:30 +0800 Message-ID: <20251108063831.8984-1-hdanton@sina.com> In-Reply-To: <690dfca7.a70a0220.22f260.004d.GAE@google.com> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit > Date: Fri, 07 Nov 2025 06:05:27 -0800 > Hello, > > syzbot found the following issue on: > > HEAD commit: 17490bd0527f Add linux-next specific files for 20251104 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=16c09bcd980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=9995c0d2611ab121 > dashboard link: https://syzkaller.appspot.com/bug?extid=553c4078ab14e3cf3358 > compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1500a532580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12e0a114580000 #syz test https://github.com/brauner/linux.git namespace-6.19.fixes