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Wed, 13 May 2020 12:06:08 +0000 From: Johannes Thumshirn To: Qu Wenruo , "dsterba@suse.cz" , David Sterba CC: "linux-btrfs@vger.kernel.org" Subject: Re: Bug 5.7-rc: root leak, eb leak Thread-Topic: Bug 5.7-rc: root leak, eb leak Thread-Index: AQHWKGfW6Ky5qVZQwUmLt+jF5CrP/Q== Date: Wed, 13 May 2020 12:06:07 +0000 Message-ID: References: <5e955017351005f2cc4c0210f401935203de8496c56cb76f53547d435f502803.dsterba@suse.com> <20200512230333.GH18421@twin.jikos.cz> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: gmx.com; dkim=none (message not signed) header.d=none;gmx.com; dmarc=none action=none header.from=wdc.com; x-originating-ip: [129.253.240.72] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: b894d744-fecb-4c13-c94a-08d7f7360501 x-ms-traffictypediagnostic: SN4PR0401MB3584: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:5516; x-forefront-prvs: 0402872DA1 x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; 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x-ms-exchange-antispam-messagedata: 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 x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: b894d744-fecb-4c13-c94a-08d7f7360501 X-MS-Exchange-CrossTenant-originalarrivaltime: 13 May 2020 12:06:07.8413 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: DtpquQTItFElOBzvpdsA/xpTShgjQ2k598HKxejNPyYLlFSGuUE2svfrTdEQqUHnZDUExKKUkMGT/ZpqEoASdqGIzO4CGkGXcqRC4M1uHY0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN4PR0401MB3584 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 13/05/2020 13:57, Qu Wenruo wrote:=0A= > =0A= > =0A= > On 2020/5/13 =1B$B2<8a=1B(B7:54, Johannes Thumshirn wrote:=0A= >> On 13/05/2020 01:04, David Sterba wrote:=0A= >> [...]=0A= >>>=0A= >>> Johannes, do you have logs from the test?=0A= >>=0A= >>=0A= >>=0A= >> I recreated the logs for btrfs/028 (dmesg, kmemleak and fstests log). Pl= ease find them attached.=0A= >>=0A= > =0A= > BTW, what's the line of open_ctree+0x137c/0x277a?=0A= =0A= =0A= Here we go:=0A= (gdb) l *(open_ctree+0x137c/0x277a)=0A= 0x122acd is in open_ctree (fs/btrfs/disk-io.c:2826).=0A= 2821 u64 generation;=0A= 2822 u64 features;=0A= 2823 u16 csum_type;=0A= 2824 struct btrfs_key location;=0A= 2825 struct btrfs_super_block *disk_super;=0A= 2826 struct btrfs_fs_info *fs_info =3D btrfs_sb(sb);=0A= 2827 struct btrfs_root *tree_root;=0A= 2828 struct btrfs_root *chunk_root;=0A= 2829 int ret;=0A= 2830 int err =3D -EINVAL;=0A= =0A= So its:=0A= 2826 struct btrfs_fs_info *fs_info =3D btrfs_sb(sb);=0A=