Re: [syzbot] Test for 34ad5fab48f7bf510349

[syzbot]

For archival purposes, forwarding an incoming command email to
linux-kernel@xxxxxxxxxxxxxxx.

***

Subject: Test for 34ad5fab48f7bf510349
Author: syoshida@xxxxxxxxxx

#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5bd7ef53ffe5ca580e93e74eb8c81ed191ddc4bd

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 9c962347cf85..c9ad41bce426 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -167,7 +167,8 @@ static inline u32 netlink_group_mask(u32 group)
 static struct sk_buff *netlink_to_full_skb(const struct sk_buff *skb,
 					   gfp_t gfp_mask)
 {
-	unsigned int len = skb_end_offset(skb);
+	//unsigned int len = skb_end_offset(skb);
+	unsigned int len = skb->len;
 	struct sk_buff *new;
 
 	new = alloc_skb(len, gfp_mask);