From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 16703386D601; Thu, 15 Feb 2024 21:14:22 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 16703386D601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1708031662; bh=VT6lC9SJ3bK4WE9nCEO4uRBFTRHmvDQ0xcK0lOLPuqg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RfAhW30rE51lPjYcqNtGDfAqC4zVQsjTZXG8HhRTBRZJiG3Irl8OXZMcVz5ZD4kFw s8gDwRhhWRyjKr4mEaECeDjbyqVXsUNP9YuZVNbbDfJdzctnImylRXqX33UmnswhxO XjImG5+gd13BcZjxU+SgwJcSzwKE1drphcLLGZdQ= From: "hjl.tools at gmail dot com" To: glibc-bugs@sourceware.org Subject: [Bug dynamic-link/31372] _dl_tlsdesc_dynamic doesn't preserve all caller-saved registers Date: Thu, 15 Feb 2024 21:14:21 +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: 2.40 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: security- 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 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D31372 --- Comment #9 from H.J. Lu --- (In reply to Sam James from comment #8) > > My glibc patch: > > [...] > > includes one. So far, it has detected the GNU2 TLS bug on 3 arches. >=20 > Ah, thanks, I hadn't looked at it. I guess this with nsz's previous tests > should give us OK coverage for now. Each arch should define PREPARE_MALLOC to clobber more caller-saved registers when calling malloc so that we can improve coverage on each arch. --=20 You are receiving this mail because: You are on the CC list for the bug.=