jsauer/torvalds-linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-01-11 09:00:12 +00:00
Code

slab fix for 6.19-rc2

Browse Source 
-----BEGIN PGP SIGNATURE-----
 
 iQFPBAABCAA5FiEEe7vIQRWZI0iWSE3xu+CwddJFiJoFAmlFenQbFIAAAAAABAAO
 bWFudTIsMi41KzEuMTEsMiwyAAoJELvgsHXSRYiageUH/2CUIrKSYRn7uy2Pe5R0
 ycPv9EFZquvbDKROfXWJ1RteTeVYUXKymdInBw/ToyxQ8rj4pASqQUpnpXxaHQj3
 INv+SlS7GE95C8ynwfVVhjpOL6axgN8L56WOnY/7rFMs+HUmZmvMNo9yxfMd8sLI
 3FjriPkmacj50kP8LdyOxLOybBE1Vu0BRAzo3SZpCP23VMV6DJGqct9MYLw01mQr
 ENTKxWRfSQs9STukaqb7iDKVfSw/z7Fs02l79+lxAV2XQkykPScXM5/cT1JLiChQ
 WIXckT+r6dRkdfRzeCpyUl1p0j1ClHw5DmtNayfFjasqX+/2dkRN1offyn75++Kb
 7CY=
 =pLK7
 -----END PGP SIGNATURE-----

Merge tag 'slab-for-6.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

Pull slab fix from Vlastimil Babka:

 - A stable fix for a missing tag reset that can happen in
   kfree_nolock() with KASAN+SLUB_TINY configs (Deepanshu Kartikey)

* tag 'slab-for-6.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
  mm/slub: reset KASAN tag in defer_free() before accessing freed memory
This commit is contained in:
Linus Torvalds 2025-12-20 11:24:42 -08:00
commit 44f9a00a44
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
mm/slub.c
View File

@ -6539,6 +6539,8 @@ static void defer_free(struct kmem_cache *s, void *head)
guard(preempt)();
head = kasan_reset_tag(head);
df = this_cpu_ptr(&defer_free_objects);
if (llist_add(head + s->offset, &df->objects))
irq_work_queue(&df->work);