linux-kernel - Re: [syzbot] Test for 34ad5fab48f7bf510349

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Message-ID: <00000000000038d3680611cafc4d@google.com>
Date: Mon, 19 Feb 2024 23:16:12 -0800
From: syzbot <syzbot+34ad5fab48f7bf510349@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Re: [syzbot] Test for 34ad5fab48f7bf510349

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Subject: Test for 34ad5fab48f7bf510349
Author: syoshida@...hat.com

#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);