From nobody Wed Dec 17 14:17:01 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2854FC07D5A for ; Mon, 27 Nov 2023 07:05:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232079AbjK0HFW (ORCPT ); Mon, 27 Nov 2023 02:05:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229947AbjK0HFR (ORCPT ); Mon, 27 Nov 2023 02:05:17 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 867D5134; Sun, 26 Nov 2023 23:05:23 -0800 (PST) X-UUID: 52a7dde48cf311ee8051498923ad61e6-20231127 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=9bckHyNJG5IsDCmEKDwalIObMqsZcNV3+pMVYGOWkZA=; b=Ir7dyl8PjdmMjC+E7j7WJKdu7+hMtFfdIN58H9s//k+s7NSqJSzGhW86Vxfc6zWzeQVyThe33zlJ/oSxxEjzKQ2OFFg2OSgpkYT7+DXd9XHueqj4wspARvc+3LBdMRyIG6JfYuYsPX8AUS7ktTJTrce9aa9tdw9wQCbf/D1+z48=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33,REQID:141674e6-33b4-4460-8dc4-d6d024cc2d02,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:364b77b,CLOUDID:7cd7fcfc-4a48-46e2-b946-12f04f20af8c,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:11|1,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR: NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULN X-UUID: 52a7dde48cf311ee8051498923ad61e6-20231127 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1260820394; Mon, 27 Nov 2023 15:05:18 +0800 Received: from mtkmbs13n1.mediatek.inc (172.21.101.193) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Mon, 27 Nov 2023 15:05:16 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n1.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Mon, 27 Nov 2023 15:05:16 +0800 From: Kuan-Ying Lee To: Jan Kiszka , Kieran Bingham , Matthias Brugger , AngeloGioacchino Del Regno , Andrew Morton , Oleg Nesterov CC: , , , , Kuan-Ying Lee , , , , Subject: [PATCH 1/3] scripts/gdb/tasks: Fix lx-ps command error Date: Mon, 27 Nov 2023 15:04:01 +0800 Message-ID: <20231127070404.4192-2-Kuan-Ying.Lee@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20231127070404.4192-1-Kuan-Ying.Lee@mediatek.com> References: <20231127070404.4192-1-Kuan-Ying.Lee@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--4.762900-8.000000 X-TMASE-MatchedRID: TCPSmmY0AVNXKLar1IWcqhIRh9wkXSlFBdebOqawiLujC1E/zCEIr8Rk oeJ3OFRc3k+CPiKHMcLBSaBGgOy3GNEdmUPXI8FxWd1vvclMcXUUqWKocoJo6WrVm7PW4m4IaUX s6FguVy2veSUy9VcQXIAy6p60ZV62fJ5/bZ6npdjKayT/BQTiGmKd6TrD/tOxJTyu087Bl/3dU/ 0piiw/KVY8fik7GhBq/WJMB7lBUBeC/0zoitWvtG59So5u9ctjsIj++Y58d/rqkfDrTAOo86CjN WMcfCKKdATQdtPksR+3/JiWOe6GXXSWgQ2GpXdZbxffl9hhCBw= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--4.762900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 29868F287BE6268FBBD8E35727CAA5215BC88AFF032D54227874052E0B4452B82000:8 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since commit 8e1f385104ac ("kill task_struct->thread_group") remove the thread_group, we will encounter below issue. (gdb) lx-ps TASK PID COMM 0xffff800086503340 0 swapper/0 Python Exception : There is no member named thread_group. Error occurred in Python: There is no member named thread_group. We use signal->thread_head to iterate all threads instead. Fixes: 8e1f385104ac ("kill task_struct->thread_group") Cc: stable@vger.kernel.org Signed-off-by: Kuan-Ying Lee --- scripts/gdb/linux/tasks.py | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/scripts/gdb/linux/tasks.py b/scripts/gdb/linux/tasks.py index 17ec19e9b5bf..7c32f4c8284b 100644 --- a/scripts/gdb/linux/tasks.py +++ b/scripts/gdb/linux/tasks.py @@ -13,7 +13,7 @@ =20 import gdb =20 -from linux import utils +from linux import utils, lists =20 =20 task_type =3D utils.CachedType("struct task_struct") @@ -25,13 +25,9 @@ def task_lists(): t =3D g =3D init_task =20 while True: - while True: - yield t - - t =3D utils.container_of(t['thread_group']['next'], - task_ptr_type, "thread_group") - if t =3D=3D g: - break + thread_head =3D t['signal']['thread_head'] + for thread in lists.list_for_each_entry(thread_head, task_ptr_type= , 'thread_node'): + yield thread =20 t =3D g =3D utils.container_of(g['tasks']['next'], task_ptr_type, "tasks") --=20 2.18.0