[PATCH -next 2/5] netfilter: Use kmemdup_array() instead of kmemdup() for multiple allocation
From: Jinjie Ruan
Date: Wed Aug 28 2024 - 03:03:30 EST
Let the kmemdup_array() take care about multiplication and possible
overflows.
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
---
net/bridge/netfilter/ebtables.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index cbd0e3586c3f..3e67d4aff419 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1256,7 +1256,7 @@ int ebt_register_table(struct net *net, const struct ebt_table *input_table,
goto free_unlock;
}
- ops = kmemdup(template_ops, sizeof(*ops) * num_ops, GFP_KERNEL);
+ ops = kmemdup_array(template_ops, num_ops, sizeof(*ops), GFP_KERNEL);
if (!ops) {
ret = -ENOMEM;
if (newinfo->nentries)
--
2.34.1