On Wed, Apr 16, 2025 at 07:38:36PM +0100, Matthew Wilcox wrote: > On Wed, Apr 16, 2025 at 11:08:37AM -0700, Darrick J. Wong wrote: > > Hi folks, > > > > I upgraded my arm64 kernel to 6.15-rc2, and I also see this splat in > > generic/363. The fstets config is as follows: > > > > MKFS_OPTIONS="-m metadir=1,autofsck=1,uquota,gquota,pquota, -b size=65536," > > MOUNT_OPTIONS="" > > > > The VM is arm64 with 64k base pages. I've disabled LBS to work around > > a fair number of other strange bugs. Does this ring a bell for anyone? > > > > --D > > > > list_add double add: new=ffffffff40538c88, prev=fffffc03febf8148, next=ffffffff40538c88. > > Not a bell, but it's weird. We're trying to add ffffffff40538c88 to > the list, but next already has that value. So this is a double-free of > the folio? Do you have VM_BUG_ON_FOLIO enabled with CONFIG_VM_DEBUG? Nope, but I can go re-add it to my kconfig and see what happens. --D
