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charset="us-ascii" Content-ID: <4E626668A8083740817A5443BC95DB33@namprd10.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SN6PR10MB3022.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: eb675f61-6974-40e1-0284-08da293d761a X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Apr 2022 17:35:17.7350 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: llqC86mPa59IcL1JiPaUFdPDmNkYggU5O76KhEiKr4FezIdaeC2DxW2tKCuBPll1x9WOUEj9bNjo+kXoxjw/qA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR10MB3887 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.486,18.0.858 definitions=2022-04-28_02:2022-04-28,2022-04-28 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 adultscore=0 mlxscore=0 bulkscore=0 suspectscore=0 malwarescore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2204280105 X-Proofpoint-GUID: WiOhn323zeK9ZKHhZ_cfHDWQ2ZzuJo6h X-Proofpoint-ORIG-GUID: WiOhn323zeK9ZKHhZ_cfHDWQ2ZzuJo6h Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org * Andrew Morton [220427 18:57]: >=20 > The patch titled > Subject: mm/mmap: fix __vma_adjust() memory leak > has been added to the -mm tree. Its filename is > mm-start-tracking-vmas-with-maple-tree-fix.patch >=20 > This patch should soon appear at > https://ozlabs.org/~akpm/mmots/broken-out/mm-start-tracking-vmas-with= -maple-tree-fix.patch > and later at > https://ozlabs.org/~akpm/mmotm/broken-out/mm-start-tracking-vmas-with= -maple-tree-fix.patch Both of these links are 404 and the patch does not seem to be in linux-next 20220428. Is there any chance this was missed? Thanks, Liam >=20 > Before you just go and hit "reply", please: > a) Consider who else should be cc'ed > b) Prefer to cc a suitable mailing list as well > c) Ideally: find the original patch on the mailing list and do a > reply-to-all to that, adding suitable additional cc's >=20 > *** Remember to use Documentation/process/submit-checklist.rst when testi= ng your code *** >=20 > The -mm tree is included into linux-next and is updated > there every 3-4 working days >=20 > ------------------------------------------------------ > From: "Liam R. Howlett" > Subject: mm/mmap: fix __vma_adjust() memory leak >=20 > When shifting the arg pages, the maple state may be left with allocated > memory. Free the memory by calling mas_destroy() unconditionally at the > end of the function. >=20 > Link: https://lkml.kernel.org/r/20220427224134.yurrplclbhmnrloj@revolver > Fixes: bd6a1fd58daf (mm: start tracking VMAs with maple tree) > Signed-off-by: Liam R. Howlett > Reported-by: Qian Cai > Cc: Stephen Rothwell > Signed-off-by: Andrew Morton > --- >=20 > mm/mmap.c | 1 + > 1 file changed, 1 insertion(+) >=20 > --- a/mm/mmap.c~mm-start-tracking-vmas-with-maple-tree-fix > +++ a/mm/mmap.c > @@ -864,6 +864,7 @@ int __vma_adjust(struct vm_area_struct * > MA_STATE(mas, &mm->mm_mt, 0, 0); > struct vm_area_struct *exporter =3D NULL, *importer =3D NULL; > =20 > + mas_destroy(&mas); > validate_mm(mm); > validate_mm_mt(mm); > =20 > _ >=20 > Patches currently in -mm which might be from Liam.Howlett@oracle.com are >=20 > mm-start-tracking-vmas-with-maple-tree-fix.patch > =