Calling kmsan_check_skb() lets KMSAN check the bytes to be transferred
over the network for being initialized.
Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx>
To: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Eric Dumazet <edumazet@xxxxxxxxxx>
Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Cc: Petr Mladek <pmladek@xxxxxxxx>
Cc: Vegard Nossum <vegard.nossum@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
---
This patch was previously called "kmsan: call KMSAN hooks where needed"
v4:
- split this patch away
Change-Id: Iff48409dc50341d59e355ce3ec11d4722f0799e2
---
net/sched/sch_generic.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 2efd5b61acef1..4b2cc309bb1e3 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -11,6 +11,7 @@
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
+#include <linux/kmsan-checks.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/errno.h>
@@ -654,6 +655,7 @@ static struct sk_buff *pfifo_fast_dequeue(struct Qdisc *qdisc)
} else {
WRITE_ONCE(qdisc->empty, true);
}
+ kmsan_check_skb(skb);
return skb;
}
--
2.25.1.696.g5e7596f4ac-goog
