From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from baidu.com (mx24.baidu.com [111.206.215.185]) (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 AC6042BAF9; Sun, 12 Oct 2025 00:00:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=111.206.215.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760227209; cv=none; b=qeyVz1E1ok+pBMeWuCg5bsK6GaYTip4MZ6xxRAe/z2S0wdqF6uAAM8lwl61BBdBO0pHV/eLZ2+6M7ojRFh2HhTlS8LUcHzWRgO04I3DppJ+OycHbNJ+LhLgqlfRNWapPzupPm+R+28/QbPlGM/yRPUqzRlfe2V2aAvA95y2I8AA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760227209; c=relaxed/simple; bh=aavCBw3tMB4GSqTIYmXAC5JXt7peBZI8vCwgtaP7AAw=; h=From:To:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=l4P8XDj6LRfbmF2n8kceySRYaJio7VPgSoFFWgTcR6yFlPR0iAG6con6kvbuz26L/UGjjX0PRCDSMrmTcR55GyAKXmvrQaUaCSq7pmy42OYyWob6FO3xwKxQ8pZMFCLT1VQ5She0IwWhr+cbnqGmv4EdRlh/94utJaSMuU+/NUI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com; spf=pass smtp.mailfrom=baidu.com; arc=none smtp.client-ip=111.206.215.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baidu.com From: "Li,Rongqing" To: Kees Cook , Randy Dunlap , "corbet@lwn.net" , "akpm@linux-foundation.org" , "lance.yang@linux.dev" , "mhiramat@kernel.org" , "paulmck@kernel.org" , "pawan.kumar.gupta@linux.intel.com" , "mingo@kernel.org" , "dave.hansen@linux.intel.com" , "rostedt@goodmis.org" , "arnd@arndb.de" , "feng.tang@linux.alibaba.com" , "pauld@redhat.com" , "joel.granados@kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: =?utf-8?B?UkU6IFvlpJbpg6jpgq7ku7ZdIFJlOiBbUEFUQ0hdW3YyXSBodW5nX3Rhc2s6?= =?utf-8?Q?_Panic_after_fixed_number_of_hung_tasks?= Thread-Topic: =?utf-8?B?W+WklumDqOmCruS7tl0gUmU6IFtQQVRDSF1bdjJdIGh1bmdfdGFzazogUGFu?= =?utf-8?Q?ic_after_fixed_number_of_hung_tasks?= Thread-Index: AQHcMDksdcRioXB8tEOzfxW7SI8WgLS7pGyAgABZ+wCAANv20IAA1bKw Date: Sat, 11 Oct 2025 23:58:56 +0000 Message-ID: <6c4905288f374bf2ad48492cd03c473e@baidu.com> References: <20250928053137.3412-1-lirongqing@baidu.com> <1729312f8358451ba32eabdea86a7820@baidu.com> In-Reply-To: <1729312f8358451ba32eabdea86a7820@baidu.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FEAS-Client-IP: 172.31.3.14 X-FE-Policy-ID: 52:10:53:SYSTEM DQoNCj4gDQo+IA0KPiA+IE9uIE9jdG9iZXIgMTAsIDIwMjUgNToyNTowNSBQTSBQRFQsIFJhbmR5 IER1bmxhcA0KPiA+IDxyZHVubGFwQGluZnJhZGVhZC5vcmc+DQo+ID4gd3JvdGU6DQo+ID4gPkhp LA0KPiA+ID4NCj4gPiA+T24gOS8yNy8yNSAxMDozMSBQTSwgbGlyb25ncWluZyB3cm90ZToNCj4g PiA+PiBGcm9tOiBMaSBSb25nUWluZyA8bGlyb25ncWluZ0BiYWlkdS5jb20+DQo+ID4gPj4NCj4g PiA+PiBDdXJyZW50bHksIHdoZW4gaHVuZ190YXNrX3BhbmljIGlzIGVuYWJsZWQsIGtlcm5lbCB3 aWxsIHBhbmljDQo+ID4gPj4gaW1tZWRpYXRlbHkgdXBvbiBkZXRlY3RpbmcgdGhlIGZpcnN0IGh1 bmcgdGFzay4gSG93ZXZlciwgc29tZSBodW5nDQo+ID4gPj4gdGFza3MgYXJlIHRyYW5zaWVudCBh bmQgdGhlIHN5c3RlbSBjYW4gcmVjb3ZlciBmdWxseSwgd2hpbGUgb3RoZXJzDQo+ID4gPj4gYXJl IHVucmVjb3ZlcmFibGUgYW5kIHRyaWdnZXIgY29uc2VjdXRpdmUgaHVuZyB0YXNrIHJlcG9ydHMs IGFuZCBhDQo+ID4gPj4gcGFuaWMgaXMNCj4gPiBleHBlY3RlZC4NCj4gPiA+Pg0KPiA+ID4+IFRo aXMgY29tbWl0IGFkZHMgYSBuZXcgc3lzY3RsIHBhcmFtZXRlciBodW5nX3Rhc2tfY291bnRfdG9f cGFuaWMgdG8NCj4gPiA+PiBhbGxvd3Mgc3BlY2lmeWluZyB0aGUgbnVtYmVyIG9mIGNvbnNlY3V0 aXZlIGh1bmcgdGFza3MgdGhhdCBtdXN0IGJlDQo+ID4gPj4gZGV0ZWN0ZWQNCj4gPg0KPiA+IFdo eSBtYWtlIGEgbmV3IHN5c2N0bD8gQ2FuJ3QgeW91IGp1c3QgdXNlIGh1bmdfdGFza19wYW5pYyBh bmQgcmFpc2UNCj4gPiB0aGUgbWF4IHRvIElOVF9NQVg/DQo+ID4NCj4gDQoNClNvcnJ5LCBJIG1p c3VuZGVyc3RhbmQgYXQgZmlyc3QuDQoNCkknbSBub3Qgc3VyZSBpZiB0aGlzIHN5c2N0bCBodW5n X3Rhc2tfcGFuaWMgY2FuIGJlIG1vZGlmaWVkLCBhbmQgaWYgY2hhbmdlZCwgQk9PVFBBUkFNX0hV TkdfVEFTS19QQU5JQyBzaG91bGQgYmUgY2hhbmdlZCwgYW5kIHdoZXRoZXIgYm90aCBjaGFuZ2lu ZyB3aWxsIGNhdXNlIGlzc3VlcyBmb3IgdXNlcnMgPw0KDQpJZiBubyBvbmUgb2JqZWN0cywgSSB3 aWxsIHJldXNlIGh1bmdfdGFza19wYW5pYyAsIGFuZCBub3QgYWRkaW5nIGEgbmV3IHN5c2N0bA0K DQpUaGFua3MNCg0KLUxpDQoNCj4gDQo+IEhvd2V2ZXIsIHRoaXMgd2lsbCBwcmV2ZW50IHRoZSBw cmludGluZyBvZiBodW5nIHRhc2sgd2FybmluZ3MuIEh1bmcgdGFzaw0KPiB3YXJuaW5ncyBhcmUg dmVyeSB1c2VmdWwgZm9yIGlkZW50aWZ5aW5nIHdoaWNoIHRhc2tzIGFyZSBoYW5naW5nIGFuZCB3 aGVyZQ0KPiB0aGV5IGFyZSBzdHVjay4NCj4gDQo+IElmIHRoZXJlIGlzIHRoaXMgZnVuY3Rpb24s IEkgaG9wZSB0byBzaG9ydGVuIHN5c2N0bF9odW5nX3Rhc2tfdGltZW91dF9zZWNzIHRvDQo+IGdp dmUgbW9yZSBpbmZvcm1hdGlvbi4NCj4gDQo+IEFuZCByY3UgaGFzIHRoZSBzaW1pbGFyIGZ1bmN0 aW9uIGFzIGRmZTU2NDA0NWM2NTNkICIocmN1OiBQYW5pYyBhZnRlciBmaXhlZA0KPiBudW1iZXIg b2Ygc3RhbGxzKSINCj4gDQo+IC1MaQ0KPiANCg0K