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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 2-20020a170906014200b0085738d104fcsi17538713ejh.213.2023.01.30.21.02.07; Mon, 30 Jan 2023 21:02:39 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@amazon.com header.s=amazon201209 header.b=fyARXLoY; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=amazon.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229972AbjAaEkV (ORCPT + 99 others); Mon, 30 Jan 2023 23:40:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42850 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229659AbjAaEjN (ORCPT ); Mon, 30 Jan 2023 23:39:13 -0500 Received: from smtp-fw-6001.amazon.com (smtp-fw-6001.amazon.com [52.95.48.154]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86D4E3A59D; Mon, 30 Jan 2023 20:38:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1675139936; x=1706675936; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=CXKI8V8i96SMsRvHYzeufowrTOHGbbWXe38v5Z4Dvh4=; b=fyARXLoYZGPATEk5fv1o61j/hn8wqLcTKz0GOZY1kRGe8JMd+lMvHQr7 nVAGtDygDQ9ri4mJqiUloq66q75opmq3afq4dSts9sQIkLcj83Wn/uLPi GGqusXZ28Blr67JMBh7UeV2f0ONFUE9gzXkHGB3aByT4+WbHVKyk+KQO+ s=; X-IronPort-AV: E=Sophos;i="5.97,259,1669075200"; d="scan'208";a="293718495" Received: from iad12-co-svc-p1-lb1-vlan2.amazon.com (HELO email-inbound-relay-pdx-2c-m6i4x-b1c0e1d0.us-west-2.amazon.com) ([10.43.8.2]) by smtp-border-fw-6001.iad6.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jan 2023 04:38:55 +0000 Received: from EX13MTAUWC001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-pdx-2c-m6i4x-b1c0e1d0.us-west-2.amazon.com (Postfix) with ESMTPS id A1D3D81A5F; Tue, 31 Jan 2023 04:38:53 +0000 (UTC) Received: from EX19D002UWC004.ant.amazon.com (10.13.138.186) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1497.45; Tue, 31 Jan 2023 04:38:51 +0000 Received: from EX13MTAUWA001.ant.amazon.com (10.43.160.58) by EX19D002UWC004.ant.amazon.com (10.13.138.186) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1118.24; Tue, 31 Jan 2023 04:38:51 +0000 Received: from dev-dsk-risbhat-2b-8bdc64cd.us-west-2.amazon.com (10.189.73.169) by mail-relay.amazon.com (10.43.160.118) with Microsoft SMTP Server id 15.0.1497.45 via Frontend Transport; Tue, 31 Jan 2023 04:38:51 +0000 Received: by dev-dsk-risbhat-2b-8bdc64cd.us-west-2.amazon.com (Postfix, from userid 22673075) id 429D5271E; Tue, 31 Jan 2023 04:38:50 +0000 (UTC) From: Rishabh Bhatnagar To: , CC: , , , Rishabh Bhatnagar Subject: [PATCH stable 4.14 0/1] Fix ext4 xfstests failure Date: Tue, 31 Jan 2023 04:38:14 +0000 Message-ID: <20230131043815.14989-1-risbhat@amazon.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Spam-Status: No, score=-11.9 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_SPF_WL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1756513026087782679?= X-GMAIL-MSGID: =?utf-8?q?1756513026087782679?= While running xfstests on 4.14.304 version we see a warning being generated in one of ext4 tests with the following stack trace. WARNING: CPU: 4 PID: 15332 at mm/util.c:414 kvmalloc_node+0x67/0x70 ext4_expand_extra_isize_ea+0x2b4/0x870 [ext4] __ext4_expand_extra_isize+0xcb/0x120 [ext4] ext4_mark_inode_dirty+0x1a5/0x1d0 [ext4] ext4_ext_truncate+0x1f/0x90 [ext4] ext4_truncate+0x363/0x400 [ext4] ext4_setattr+0x392/0xa00 [ext4] notify_change+0x300/0x420 ? ext4_xattr_security_set+0x20/0x20 [ext4] do_truncate+0x75/0xc0 ? ext4_release_file+0xa0/0xa0 [ext4] path_openat+0x737/0x16f0 do_filp_open+0x9b/0x110 ? __check_object_size+0xb4/0x190 ? do_sys_open+0x1bd/0x250 do_sys_open+0x1bd/0x250 do_syscall_64+0x67/0x110 entry_SYSCALL_64_after_hwframe+0x59/0xbe It seems rebase to 4.14.304 brings a bunch of ext4 changes. Commit ext4: allocate extended attribute value in vmalloc area (73c44f61dab180b5f2dee9f15397aba36a75a882) tries to allocate buffer using kvmalloc with improper flags that generates this warning. To fix backport an upstream commit mm: kvmalloc does not fallback to vmalloc for incompatible gfp flags (170f26afa0481c72af93aa61b7398b5663451651). This removes the WARN_ON and fallsback to kmalloc if correct flags are not passed. Michal Hocko (1): mm: kvmalloc does not fallback to vmalloc for incompatible gfp flags mm/util.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)