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X-MS-Exchange-CrossTenant-Network-Message-Id: 1ef69c39-bdfc-41c0-0ceb-08db71bd3c62 X-MS-Exchange-CrossTenant-AuthSource: SJ0PR10MB4429.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2023 18:36:18.0224 (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: ue5061H+eSGe1s0rvfZ+vVXCA7pzR+L5RGr+6hymkCrB2vWTqbDLH/kG2eBYhAFvZ2lO928tYvBL6VE8AnqqDg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR10MB7403 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-20_14,2023-06-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=638 adultscore=0 spamscore=0 bulkscore=0 malwarescore=0 phishscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306200168 X-Proofpoint-GUID: c5mIOevHAzq9uiOQdNX_1-Az316772JG X-Proofpoint-ORIG-GUID: c5mIOevHAzq9uiOQdNX_1-Az316772JG Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi, Greg, On 6/19/2023 1:28 AM, Greg KH wrote: > On Wed, Jun 14, 2023 at 07:52:53PM -0600, Jane Chu wrote: >> I was able to reproduce crash on 5.15.y kernel during COW, and >> when the grandchild process attempts a write to a private page >> inherited from the child process and the private page contains >> a memory uncorrectable error. The way to reproduce is described >> in Tony's patch, using his ras-tools/einj_mem_uc. >> And the patch series fixed the panic issue in 5.15.y. > > But you are skipping 6.1.y, which is not ok as it would cause > regressions when you upgrade. > > I'll drop this from my review queue now, please provide working > backports for this and newer releases, and I'll be glad to take them. > Thanks for the guidance, will do. To confirm, you're looking for backport to both 6.1.y and 5.15.y, and nothing else, correct? Just curious, why 6.1.y in particular? thanks! -jane > thanks, > > greg k-h