Hi Thomas, On Wed, Oct 21, 2026 at 11:57:38AM +0200, Salvatore Bonaccorso wrote: > Hi Thomas, > > On Wed, Oct 21, 2026 at 07:34:28AM +0000, Thomas MISCHLER - API AND YOU wrote: > > Control: tags -1 - moreinfo > > Control: forwarded -1 > > https://lore.kernel.org/stable/patp264mb48180d3dff94fb287d09ce64e0...@patp264mb4818.frap264.prod.outlook.com/ > > Control: retitle -1 linux-image-6.12.113+deb13-amd64: kswapd NULL pointer > > dereference in list_lru_add() (workingset_update_node), system freeze > > > > Hi Salvatore, > > > > It reproduces on a pristine 6.12.113 from kernel.org, and it turns out > > it was already reported upstream on 2 October in a stable@ thread. Our > > test results (pristine kernel, revert of ad812805fea7, and the 6.12 > > backport of aca1f2d5de17 + 62e72d2cf702 that the stable maintainers > > asked for) are in our reply there, also copied to this bug: > > https://lore.kernel.org/stable/patp264mb48180d3dff94fb287d09ce64e0...@patp264mb4818.frap264.prod.outlook.com/ > > > > aca1f2d5de17 is in 6.18.56; 6.12.y, 6.6.y and 6.1.y are waiting for > > tested backports. Bookworm is likely affected too: 6.1.188+ carries the > > same xarray change without the fix (code reading, not tested). > > Thank you for that.
AFAICS, the fix landed in 6.12.115, we will pick that up. Thanks again for taking it upstream and working trough it with Sasha to make it land. Regards, Salvatore
