From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail3-163.sinamail.sina.com.cn (mail3-163.sinamail.sina.com.cn [202.108.3.163]) (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 B9C61111BF for ; Fri, 11 Jul 2025 05:09:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.108.3.163 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752210572; cv=none; b=ZtZ5qXvNLHXTUVLkbXDZlxB8p/9I2V4CoweewFRNDitEFg9Pl+dxxDcTCYQhp5plSH6F6TYiioN6O9yJg0q2cD/Jr5SSaZcQnTr6a2W/TIJz/NRqnQj9gTAiXhCMl7fdFDCIYE0G/QqWH5160ErOQAcxM3CXfdm4xPfj7bvdEBE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752210572; c=relaxed/simple; bh=A6CrZaHjBawYaUGpM2LphRg6gKDhDPGQWh/MZ5jw7Gs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MWE7yjRbKj80IWXCLOeH1tKCP3sN5+iu7xTkJwgWD7VT9C/tmTXXS6dMjZCPLxx6buc4OcaIcxKIAeBMgzjYWnXVLaPwlMaUzo3spMVwueCvD9CQHeGb01QaBAHYbXq+0PwgmDOhi8pFDy2QkvLA/o4ZijxdFULxwAw4CT4HDA4= 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=cQ7RWxLS; arc=none smtp.client-ip=202.108.3.163 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="cQ7RWxLS" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1752210568; bh=0KvJjLRCAc51kK6nLlsqC68Qvmg3ZAkvtJy+9d8/hEQ=; h=From:Subject:Date:Message-ID; b=cQ7RWxLSrff2IWGTIkYKdZak/NvJmlb5IjBTtEUSXj+RZTrBRyLHasc5bqhO7agEv 9YJWCslezfbQmfs0q5o4OQrxMV7GwaPVXXvyxgGwWGMaKOfTo3tVBM6DcXnd2EIcGq oOootqdr1qtdfwyHqnzeKmlYMzWh5qWG35COKQHc= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.58.236]) by sina.com (10.54.253.34) with ESMTP id 68709C82000048F6; Fri, 11 Jul 2025 13:09:24 +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: 4527316292012 X-SMAIL-UIID: 73E75BAE39FC4A7D8A148DE32ED3A07B-20250711-130924-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [mm?] WARNING: lock held when returning to user space in lock_next_vma Date: Fri, 11 Jul 2025 13:09:12 +0800 Message-ID: <20250711050913.3372-1-hdanton@sina.com> In-Reply-To: <686d5adb.050a0220.1ffab7.0019.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-Transfer-Encoding: 8bit > Date: Tue, 08 Jul 2025 10:52:27 -0700 [thread overview] > Hello, > > syzbot found the following issue on: > > HEAD commit: 26ffb3d6f02c Add linux-next specific files for 20250704 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1719df70580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=1e4f88512ae53408 > dashboard link: https://syzkaller.appspot.com/bug?extid=80011ad33eec39e6ce42 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1124abd4580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1099df70580000 #syz test