From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5866D389839B; Thu, 15 Dec 2022 21:44:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5866D389839B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1671140664; bh=gm1HzVwrTXl0r5GeZLcsxdZ2sLjda5I0VV+WGJPxZIg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=sVC+5UKU5rNMi/DmIn04lIbww0F22JP7zQ821xrVHCmnAujR1PdhF1QbBqjAwOz/L /tSb5QCxmATr/FXbTRu7gx64z8fxYbjKoD9R64wnq54AN/c6jCG1p/OxYpJk2aoybP vlaX+rNqGL8osx4S7bcSl9MGaSj23TFqV6QqWl6c= From: "dj at redhat dot com" To: glibc-bugs@sourceware.org Subject: [Bug malloc/14581] memalign allocations are often not reused after free Date: Thu, 15 Dec 2022 21:44:22 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: malloc X-Bugzilla-Version: 2.15 X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: dj at redhat dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: dj at redhat dot com 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=3D14581 --- Comment #25 from dj at redhat dot com --- Hmmm... so it seems this is reproducible if tcache+fastbins are enabled, and partially reproducible if only fastbins are. If both are disabled via tunables, it shows no growth. I think this is a general side effect of thi= ngs in tcache/fastbins/unsorted not allowing coalescing. --=20 You are receiving this mail because: You are on the CC list for the bug.=