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AJvYcCXIb+UGf7SqKcUx/ZAxEahDIUqyfr+Vwj4/8dTfLPl0q1FPa7xoMOPSgF9IVbgGqwHUJu6/4UUM7Oszo9I=@vger.kernel.org X-Gm-Message-State: AOJu0YyZt/rzbe3Yi24dt9UqJpdSYIY/8BB76Lb/1vYYTL1Bg4JuU1eQ R9EVbay/bHx7mtlGZZfE6tMzi5FOlIh8RuuYpxdc+U+U00ji1hv+ X-Google-Smtp-Source: AGHT+IFB52Zlmtk237jAyuKF/Pb5UUk29pX+WPYY51n4ADH3HRZb/nKR1h6zpNXPmCda9F3WXC03ew== X-Received: by 2002:a05:6a00:2282:b0:718:d573:25b0 with SMTP id d2e1a72fcca58-719261eb5e3mr35946101b3a.20.1726675447454; Wed, 18 Sep 2024 09:04:07 -0700 (PDT) Received: from kernelexploit-virtual-machine.localdomain ([121.185.186.233]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71944b7e083sm7095632b3a.140.2024.09.18.09.04.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Sep 2024 09:04:06 -0700 (PDT) From: Jeongjun Park To: syzbot+f69bfae0a4eb29976e44@syzkaller.appspotmail.com Cc: syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [syzbot] [net?] [s390?] general protection fault in smc_diag_dump_proto Date: Thu, 19 Sep 2024 01:04:02 +0900 Message-Id: <20240918160402.242505-1-aha310510@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <000000000000fabef5061f429db7@google.com> References: <000000000000fabef5061f429db7@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #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) --