The patch titled
Subject: mm/kmemleak.c: fix check for softirq context
has been added to the -mm tree. Its filename is
kmemleak-fix-check-for-softirq-context.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kmemleak-fix-check-for-softirq-context.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kmemleak-fix-check-for-softirq-context.patch
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------------------------------------------------------
From: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Subject: mm/kmemleak.c: fix check for softirq context
in_softirq() is a wrong predicate to check if we are in a softirq context.
It also returns true if we have BH disabled, so objects are falsely
stamped with "softirq" comm. The correct predicate is
in_serving_softirq().
Link: http://lkml.kernel.org/r/20190517171507.96046-1-dvyukov@xxxxxxxxx
Signed-off-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kmemleak.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/kmemleak.c~kmemleak-fix-check-for-softirq-context
+++ a/mm/kmemleak.c
@@ -588,7 +588,7 @@ static struct kmemleak_object *create_ob
if (in_irq()) {
object->pid = 0;
strncpy(object->comm, "hardirq", sizeof(object->comm));
- } else if (in_softirq()) {
+ } else if (in_serving_softirq()) {
object->pid = 0;
strncpy(object->comm, "softirq", sizeof(object->comm));
} else {
_
Patches currently in -mm which might be from dvyukov@xxxxxxxxxx are
kmemleak-fix-check-for-softirq-context.patch
