From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 20783CCD185 for ; Sat, 11 Oct 2025 00:48:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=8ySPN6496hDyWsIDDeFSPHnwTtYarBpjfJGG4/ZZf2w=; b=nPckS5zrze0GrI BJxriQ4gfiIjaYTUzXqpoUYixJ6z2snKK2aE/vV7zfXpPTTAFqS9e/P+Vv/uX6uF8k3CvEi2wq1Ue dJzdCx2OtnJf2TCwEMxqmWRkzABIr7IFVjks0y53vabc/XZP7ntQXFJGJ9hps5SFO6tRXOXl6bONb HI0S0GEKH0R5ugUBwUf+WiwKbEQlW5yBW3fpWazJo6phTd51vOQKEp9Dt+X2idAhkl/RR3MfBVeDY f3bPcU8uD2eJp8bjJcZxVwOTWIFS2qVKmTnd2bYyeVffsRO8Ft5tBQme0KbdFkX0SuX3EfPOZJpv9 90mKLYcguIjzwsbv8aIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7NmL-00000009bZB-0Dqn; Sat, 11 Oct 2025 00:48:09 +0000 Received: from out-171.mta1.migadu.com ([2001:41d0:203:375::ab]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v7NmH-00000009bYV-2hjW for linux-riscv@lists.infradead.org; Sat, 11 Oct 2025 00:48:07 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1760143680; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=cji4z2er6pRmGYHI01Em2KoluPX1Q6shi/bLvXruyQg=; b=wqIxp567kScmh0J2IFpMr8rZwffM2m/RoXY7EJfFR0Q22ZONddZP9MLhH4F8UZrDyE/O3i gss7dAHbQtxQnpSI072N8sF71OhbVIVSPAuvJWxTfgyE5/w3DPkDvAfMGzs6uuuX1DMHIe NvyVa4xfXt6MiCg/F3R+QnQo71nODUo= From: Thorsten Blum To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , WangYuli , Huacai Chen Cc: linux-hardening@vger.kernel.org, Thorsten Blum , Palmer Dabbelt , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] riscv: KGDB: Replace deprecated strcpy in kgdb_arch_handle_qxfer_pkt Date: Sat, 11 Oct 2025 02:47:47 +0200 Message-ID: <20251011004750.461954-1-thorsten.blum@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251010_174806_130843_86C93E19 X-CRM114-Status: UNSURE ( 8.56 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org strcpy() is deprecated because it can cause a buffer overflow when the sizes of the source and the destination are not known at compile time. Use strscpy() instead. Link: https://github.com/KSPP/linux/issues/88 Signed-off-by: Thorsten Blum --- arch/riscv/kernel/kgdb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/kernel/kgdb.c b/arch/riscv/kernel/kgdb.c index 9f3db3503dab..15fec5d1e6de 100644 --- a/arch/riscv/kernel/kgdb.c +++ b/arch/riscv/kernel/kgdb.c @@ -265,10 +265,10 @@ void kgdb_arch_handle_qxfer_pkt(char *remcom_in_buffer, { if (!strncmp(remcom_in_buffer, gdb_xfer_read_target, sizeof(gdb_xfer_read_target))) - strcpy(remcom_out_buffer, riscv_gdb_stub_target_desc); + strscpy(remcom_out_buffer, riscv_gdb_stub_target_desc, BUFMAX); else if (!strncmp(remcom_in_buffer, gdb_xfer_read_cpuxml, sizeof(gdb_xfer_read_cpuxml))) - strcpy(remcom_out_buffer, riscv_gdb_stub_cpuxml); + strscpy(remcom_out_buffer, riscv_gdb_stub_cpuxml, BUFMAX); } static inline void kgdb_arch_update_addr(struct pt_regs *regs, -- 2.51.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv