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 X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFE88C47082 for ; Mon, 7 Jun 2021 23:07:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B019D61208 for ; Mon, 7 Jun 2021 23:07:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230233AbhFGXJR (ORCPT ); Mon, 7 Jun 2021 19:09:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:37666 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230183AbhFGXJR (ORCPT ); Mon, 7 Jun 2021 19:09:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 951B360C3E; Mon, 7 Jun 2021 23:07:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1623107230; bh=bDjhOeYZ7s5LJmbDDaeb6KkhSQMl6HFLmEQFqcQtTi4=; h=Date:From:To:Subject:From; b=tRNHpimEltqiLNINKjtZ8p1wC6vMKdBuNA2KSF3IdquSlsiHLsGWC/aDdAs+HiXzs +8KkRt2J/of3gs3i5e3Cmz8pkgkbWYATDL6AD9qVC2Zt3vQd0xQ+c+ns6YKk4F6Dls QEUGu77C+hP1GpWLCe/DpjL9qozocBXw79hNbkX0= Date: Mon, 07 Jun 2021 16:07:10 -0700 From: akpm@linux-foundation.org To: adobriyan@gmail.com, mm-commits@vger.kernel.org Subject: + lib-memscan-fixlet.patch added to -mm tree Message-ID: <20210607230710.6trdEm9YQ%akpm@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: lib: memscan() fixlet has been added to the -mm tree. Its filename is lib-memscan-fixlet.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/lib-memscan-fixlet.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/lib-memscan-fixlet.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Alexey Dobriyan Subject: lib: memscan() fixlet Generic version doesn't trucate second argument to char. Older brother memchr() does as do s390, sparc and i386 assembly versions. Fortunately, no code passes c >= 256. Link: https://lkml.kernel.org/r/YLv4cCf0t5UPdyK+@localhost.localdomain Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton --- lib/string.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/string.c~lib-memscan-fixlet +++ a/lib/string.c @@ -977,7 +977,7 @@ void *memscan(void *addr, int c, size_t unsigned char *p = addr; while (size) { - if (*p == c) + if (*p == (unsigned char)c) return (void *)p; p++; size--; _ Patches currently in -mm which might be from adobriyan@gmail.com are lib-memscan-fixlet.patch exec-remove-checks-in-__register_bimfmt.patch