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=-1.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 C9A27C32753 for ; Wed, 14 Aug 2019 15:14:57 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2203C2083B for ; Wed, 14 Aug 2019 15:14:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2203C2083B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 467tRf4WM7zDqvd for ; Thu, 15 Aug 2019 01:14:54 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=bugzilla.kernel.org (client-ip=198.145.29.98; helo=mail.wl.linuxfoundation.org; envelope-from=bugzilla-daemon@bugzilla.kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=bugzilla.kernel.org Received: from mail.wl.linuxfoundation.org (mail.wl.linuxfoundation.org [198.145.29.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 467tNd4Tm3zDqPB for ; Thu, 15 Aug 2019 01:12:16 +1000 (AEST) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 27DA6288D2 for ; Wed, 14 Aug 2019 15:12:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1B786288CE; Wed, 14 Aug 2019 15:12:14 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 204371] BUG kmalloc-4k (Tainted: G W ): Object padding overwritten Date: Wed, 14 Aug 2019 15:12:13 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Memory Management X-Bugzilla-Component: Slab Allocator X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: erhard_f@mailbox.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: akpm@linux-foundation.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-Virus-Scanned: ClamAV using ClamSMTP X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" https://bugzilla.kernel.org/show_bug.cgi?id=3D204371 --- Comment #18 from Erhard F. (erhard_f@mailbox.org) --- On Wed, 14 Aug 2019 08:56:34 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=3D204371 >=20 > --- Comment #17 from Christophe Leroy (christophe.leroy@c-s.fr) --- > Created attachment 284379 > --> https://bugzilla.kernel.org/attachment.cgi?id=3D284379&action=3Dedi= t=20=20 > Patch to trace misaligned destination in copy_page() on PPC32 >=20 > Can you try the attached patch to trace misaligned destination on copy_pa= ge() > ? Sorry, the patched kernel does not build: # LC_ALL=3DC git status HEAD detached at v5.3-rc4 You are currently bisecting, started from branch 'master'. (use "git bisect reset" to get back to the original branch) Changes not staged for commit: (use "git add ..." to update what will be committed) (use "git checkout -- ..." to discard changes in working directory) modified: arch/powerpc/include/asm/page_32.h modified: arch/powerpc/kernel/misc_32.S Untracked files: (use "git add ..." to include in what will be committed) trace_misaligned_copy_page.diff no changes added to commit (use "git add" and/or "git commit -a") # LC_ALL=3DC make CALL scripts/checksyscalls.sh CALL scripts/atomic/check-atomics.sh CHK include/generated/compile.h CALL arch/powerpc/kernel/prom_init_check.sh CC lib/generic-radix-tree.o In file included from ./arch/powerpc/include/asm/page.h:244, from ./include/linux/generic-radix-tree.h:39, from lib/generic-radix-tree.c:3: ./arch/powerpc/include/asm/page_32.h: In Funktion =C2=BBcopy_page=C2=AB: ./arch/powerpc/include/asm/page_32.h:58:2: Fehler: Implizite Deklaration der Funktion =C2=BBWARN_ON=C2=AB; meinten Sie =C2=BBKERN_SOH=C2=AB? [-Werror=3Dimplicit-function-declaration] WARN_ON((unsigned long)to & (L1_CACHE_BYTES - 1)); ^~~~~~~ KERN_SOH cc1: Einige Warnungen werden als Fehler behandelt make[1]: *** [scripts/Makefile.build:281: lib/generic-radix-tree.o] Fehler 1 make: *** [Makefile:1083: lib] Error 2 --=20 You are receiving this mail because: You are on the CC list for the bug.=