From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D689A3858C27; Wed, 8 Dec 2021 22:39:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D689A3858C27 From: "evvers at ya dot ru" To: elfutils-devel@sourceware.org Subject: [Bug libdw/28659] UBSan seems to complain about an "integer overflow" in dwfl_segment_report_module Date: Wed, 08 Dec 2021 22:39:58 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: elfutils X-Bugzilla-Component: libdw X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: evvers at ya dot ru X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: mark at klomp 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: elfutils-devel@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Elfutils-devel mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Dec 2021 22:39:58 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D28659 --- Comment #2 from Evgeny Vereshchagin --- > Note that the overflow is actually harmless It is but since the fuzz target ran into it almost as soon as it started it prevented the fuzz target from discovering new issues that can be less harm= less though. Looks like the issue is gone. Thanks! FWIW judging by https://github.com/evverx/elfutils/pull/40#issuecomment-989275575, it fixed= one LGTM alert as well. I'm not sure if I mentioned this anywhere but LGTM buil= ds those reports on a daily basis and those reports can be found at https://lgtm.com/projects/g/evverx/elfutils/alerts/?mode=3Dtree . --=20 You are receiving this mail because: You are on the CC list for the bug.=