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Message-Id: <20240918160402.242505-1-aha310510@gmail.com>
Date: Thu, 19 Sep 2024 01:04:02 +0900
From: Jeongjun Park <aha310510@...il.com>
To: syzbot+f69bfae0a4eb29976e44@...kaller.appspotmail.com
Cc: syzkaller-bugs@...glegroups.com,
linux-kernel@...r.kernel.org
Subject: Re: [syzbot] [net?] [s390?] general protection fault in smc_diag_dump_proto
#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
---
net/smc/smc_inet.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/net/smc/smc_inet.c b/net/smc/smc_inet.c
index a5b2041600f9..e101c8eee187 100644
--- a/net/smc/smc_inet.c
+++ b/net/smc/smc_inet.c
@@ -111,11 +111,17 @@ static struct inet_protosw smc_inet6_protosw = {
static int smc_inet_init_sock(struct sock *sk)
{
struct net *net = sock_net(sk);
+ int rc;
/* init common smc sock */
smc_sk_init(net, sk, IPPROTO_SMC);
/* create clcsock */
- return smc_create_clcsk(net, sk, sk->sk_family);
+ rc = smc_create_clcsk(net, sk, sk->sk_family);
+
+ if (rc)
+ sk_common_release(sk);
+
+ return rc;
}
int __init smc_inet_init(void)
--
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