From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gnu.wildebeest.org (wildebeest.demon.nl [212.238.236.112]) by sourceware.org (Postfix) with ESMTPS id 58E97396EC2A for ; Thu, 1 Jul 2021 14:51:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 58E97396EC2A Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=klomp.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=klomp.org Received: from reform (deer0x00.wildebeest.org [172.31.17.130]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by gnu.wildebeest.org (Postfix) with ESMTPSA id 577193000252; Thu, 1 Jul 2021 16:51:22 +0200 (CEST) Received: by reform (Postfix, from userid 1000) id 2246A2E80F3B; Thu, 1 Jul 2021 16:51:22 +0200 (CEST) From: Mark Wielaard To: debugedit@sourceware.org Cc: Mark Wielaard Subject: [PATCH] Resync libiberty sha1.c Date: Thu, 1 Jul 2021 16:51:14 +0200 Message-Id: <20210701145114.327612-1-mark@klomp.org> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-11.0 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: debugedit@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: debugedit development mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jul 2021 14:51:24 -0000 This brings in the following commit: commit f6e9c1c9191c8b9998e03cb15de8600a2a4b9188 Author: Nick Clifton Date: Tue Mar 16 14:43:17 2021 +0000 Fix potentially undefined behaviour when computing a sha1 value. libiberty/ * sha1.c (sha1_process_bytes): Use memmove in place of memcpy. Signed-off-by: Mark Wielaard --- tools/sha1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/sha1.c b/tools/sha1.c index e3d7f86..7d15d48 100644 --- a/tools/sha1.c +++ b/tools/sha1.c @@ -258,7 +258,7 @@ sha1_process_bytes (const void *buffer, size_t len, struct sha1_ctx *ctx) { sha1_process_block (ctx->buffer, 64, ctx); left_over -= 64; - memcpy (ctx->buffer, &ctx->buffer[16], left_over); + memmove (ctx->buffer, &ctx->buffer[16], left_over); } ctx->buflen = left_over; } -- 2.32.0