From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8C231393D009; Tue, 1 Dec 2020 02:15:18 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8C231393D009 From: "lvying.system.thoughts at gmail dot com" To: glibc-bugs@sourceware.org Subject: [Bug dynamic-link/19329] dl-tls.c assert failure at concurrent pthread_create and dlopen Date: Tue, 01 Dec 2020 02:15:17 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: dynamic-link X-Bugzilla-Version: 2.22 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: lvying.system.thoughts at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: nszabolcs at gmail dot com 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: Tue, 01 Dec 2020 02:15:23 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D19329 --- Comment #26 from lvying --- Update test result: I use glibc2.28 source code to reproduce this problem: 1. testcase: Szabolcs Nagy's comment 2 comment 3 result: Inconsistency detected by ld.so: dl-tls.c: 517: _dl_allocate_tls_init: Assertion `listp !=3D NULL' failed! Not the same assertion 2. testcase: add Szabolcs Nagy's testcase v3 into nptl testcase: https://patchwork.ozlabs.org/project/glibc/patch/5836CC80.9070101@arm.com/ tst-tls7 result: same as No.1 3. testcase same as NO.2, However I add usleep(1000) between _dl_add_to_slotinfo and ++GL(dl_tls_generation) at file elf/dl-open.c. tst-tls7 result: same as No.1 tst-stack4 can reliably reproduce this problem --=20 You are receiving this mail because: You are on the CC list for the bug.=