From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 651C43858D38; Thu, 26 Jan 2023 08:13:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 651C43858D38 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674720813; bh=hoEIbTmzD4rJeLVIyCqClRJF6lZBv3ybExEuhoYyqHs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=xKAKSU1wuysPMZkG2ol0JnJJnnWfwhAUuCHhni/Cp9C9TTLAFXtfq2WJBe1AwRKlR RVlfrWP/8U3Kmdd8JPiSyr3vbcabLsm6MKmMLO7GYJZ76Qz27qyDKWFH69JGiQ9efs JLvH39PphZtiWH471BIf12eL1gmRzY77IV+0XaKA= From: "feng.tang at intel dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/108552] Linux i386 kernel 5.14 memory corruption for pre_compound_page() when gcov is enabled Date: Thu, 26 Jan 2023 08:13:32 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 11.3.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: feng.tang at intel dot com X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108552 --- Comment #4 from Tang, Feng --- (In reply to Andrew Pinski from comment #3) > Do you have the preprocessed source that is used generate the bad object > file? > How about the exact command line? Thanks for the prompt response! The error was originally reported by 0Day (which is a kernel automation test robot), and I can locally reproduce it with a little difference. Sorry for my poor knowledge of gcc, do you want me to give the output of " make ARCH=3Di386 mm/page_alloc.s"? or you can give me to command to gener= ate it. thanks=