From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 83236385AE76; Thu, 14 Jul 2022 15:42:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 83236385AE76 From: "hjl.tools at gmail dot com" To: glibc-bugs@sourceware.org Subject: [Bug string/29327] A SIGSEGV in hardware optimized memset for sse2 __memset_sse2_unaligned_erms() Date: Thu, 14 Jul 2022 15:42:41 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: string X-Bugzilla-Version: 2.35 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot 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://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: glibc-bugs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-bugs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Jul 2022 15:42:42 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D29327 --- Comment #25 from H.J. Lu --- (In reply to Dr. Werner Fink from comment #24) > Created attachment 14209 [details] > dumpctl.log ... >=20 > If I try both >=20 > LD_AUDIT=3D${PWD}/auditmod.so LD_PRELOAD=3D/lib64/libmemusage.so >=20 > it simply crashes with a SIGSEGV >=20 > werner@noether:/usr/src/werner/auditmod> LD_AUDIT=3D${PWD}/auditmod.so > LD_PRELOAD=3D/lib64/libmemusage.so /usr/lib64/kodi/kodi.bin=20 > version: 2 > Segmentation fault (core dumped) >=20 > no output from auditmod.so ... only a core dump >=20 > werner@noether:/usr/src/werner/auditmod> sudo coredumpctl | tail -n 1 > Thu 2022-07-14 09:30:28 CEST 16275 223 50 SIGSEGV present=20 > /usr/lib64/kodi/kodi.bin >=20 > werner@noether:/usr/src/werner/auditmod> sudo coredumpctl dump 16275 -o > /tmp/core > dumpctl.log 2>&1 So they can't be used together. Please find out the parameters passed to memset when crash happens. Have you tried valgrind? --=20 You are receiving this mail because: You are on the CC list for the bug.=