The patch titled
Subject: mm/slab: restore IRQs in kfree()
has been added to the -mm tree. Its filename is
mm-slab-sanity-check-page-type-when-looking-up-cache-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-slab-sanity-check-page-type-when-looking-up-cache-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-slab-sanity-check-page-type-when-looking-up-cache-fix.patch
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------------------------------------------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Subject: mm/slab: restore IRQs in kfree()
We added a new return here but we need to restore the IRQs before we
leave.
Link: http://lkml.kernel.org/r/20190613065637.GE16334@mwanda
Fixes: 4f5d94fd4ed5 ("mm/slab: sanity-check page type when looking up cache")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/mm/slab.c~mm-slab-sanity-check-page-type-when-looking-up-cache-fix
+++ a/mm/slab.c
@@ -3745,8 +3745,10 @@ void kfree(const void *objp)
local_irq_save(flags);
kfree_debugcheck(objp);
c = virt_to_cache(objp);
- if (!c)
+ if (!c) {
+ local_irq_restore(flags);
return;
+ }
debug_check_no_locks_freed(objp, c->object_size);
debug_check_no_obj_freed(objp, c->object_size);
_
Patches currently in -mm which might be from dan.carpenter@xxxxxxxxxx are
mm-slab-sanity-check-page-type-when-looking-up-cache-fix.patch
coda-get-rid-of-coda_alloc.patch
coda-get-rid-of-coda_free.patch
rapidio-mport_cdev-nul-terminate-some-strings.patch
