From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout07.his.huawei.com (canpmsgout07.his.huawei.com [113.46.200.222]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4D1AC1FBEB0; Fri, 17 Oct 2025 06:27:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.222 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760682464; cv=none; b=lsppekodRIGQ4c/uWLnM2CLW/6aoHLxBAUo5QppjQJ8oKtwBCZAKN/oIJ5XTYm7QZinQ1uLo+2b6upnfdL96hPoH+pLqVhZDfWlRQ1wn8LALjOUG5SjgcFC3l6xKJg8YtGFeJrh8BZJM7tbGhoowHBk4UGfG4zkcog3d38SspxQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760682464; c=relaxed/simple; bh=hRcoYEbQV0mo4m0T81fbrsNIRJfAjdAMFHPldlGfJUY=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=sHKi3uDe6H6DWaVv81Vaa0423UtziffamgMv3yb0lRT3ajBUufHPsvv0Kmnmf7V85kZDqriJWfd695FdPpUXvfT7B8aeKnuMCSBbjo3xXEyYx7DET8Nm5axkXNI8zVaYSUy6ju/5ohfuHA6VnQbG4+5GlbGyuuIs7ZYlb8cY9Jc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=W8gvXA9u; arc=none smtp.client-ip=113.46.200.222 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="W8gvXA9u" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=5DJFLlrLZkXL+gGLN727iAo9OGJQnJtVOjdN7wGssVE=; b=W8gvXA9uXtvO4llyiIZgatSxSYmO3IQ/Sz7HSxlBm7/SOYsFbd+sorDvydsSX5H4L5QIqdZuG UcfMGNDcQsD3Aqj7f5Ld9R3F3o7123AfNVAHsP45Z6DFbggX0tJJih/kl/eZbsCX/nKNqDzt+tE rM/nDh0AUpLkRp/l8XCDfAE= Received: from mail.maildlp.com (unknown [172.19.88.234]) by canpmsgout07.his.huawei.com (SkyGuard) with ESMTPS id 4cnvxd1DTszLlZ8; Fri, 17 Oct 2025 14:27:17 +0800 (CST) Received: from dggpemf500016.china.huawei.com (unknown [7.185.36.197]) by mail.maildlp.com (Postfix) with ESMTPS id 9DD17140142; Fri, 17 Oct 2025 14:27:38 +0800 (CST) Received: from huawei.com (10.50.85.128) by dggpemf500016.china.huawei.com (7.185.36.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Fri, 17 Oct 2025 14:27:38 +0800 From: Wang Liang To: CC: , , , Subject: Re: [syzbot] [smc?] general protection fault in __smc_diag_dump (4) Date: Fri, 17 Oct 2025 14:50:45 +0800 Message-ID: <20251017065045.1706877-1-wangliang74@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To dggpemf500016.china.huawei.com (7.185.36.197) #syz test diff --git a/net/smc/smc_inet.c b/net/smc/smc_inet.c index a944e7dcb8b9..a94084b4a498 100644 --- a/net/smc/smc_inet.c +++ b/net/smc/smc_inet.c @@ -56,7 +56,6 @@ static struct inet_protosw smc_inet_protosw = { .protocol = IPPROTO_SMC, .prot = &smc_inet_prot, .ops = &smc_inet_stream_ops, - .flags = INET_PROTOSW_ICSK, }; #if IS_ENABLED(CONFIG_IPV6) @@ -104,27 +103,15 @@ static struct inet_protosw smc_inet6_protosw = { .protocol = IPPROTO_SMC, .prot = &smc_inet6_prot, .ops = &smc_inet6_stream_ops, - .flags = INET_PROTOSW_ICSK, }; #endif /* CONFIG_IPV6 */ -static unsigned int smc_sync_mss(struct sock *sk, u32 pmtu) -{ - /* No need pass it through to clcsock, mss can always be set by - * sock_create_kern or smc_setsockopt. - */ - return 0; -} - static int smc_inet_init_sock(struct sock *sk) { struct net *net = sock_net(sk); /* init common smc sock */ smc_sk_init(net, sk, IPPROTO_SMC); - - inet_csk(sk)->icsk_sync_mss = smc_sync_mss; - /* create clcsock */ return smc_create_clcsk(net, sk, sk->sk_family); } -- 2.34.1