From nobody Sat Oct 23 01:12:27 2021 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 232EB180F323; Sat, 23 Oct 2021 01:12:28 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Hbjqv5sR6z3pRl; Sat, 23 Oct 2021 01:12:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id A6C2F1913C; Sat, 23 Oct 2021 01:12:27 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 19N1CR7R051364; Sat, 23 Oct 2021 01:12:27 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19N1CR6Q051363; Sat, 23 Oct 2021 01:12:27 GMT (envelope-from git) Date: Sat, 23 Oct 2021 01:12:27 GMT Message-Id: <202110230112.19N1CR6Q051363@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Konstantin Belousov Subject: git: e5a8b8152ade - stable/13 - crt_malloc: Be more persistent when handling mmap() failure List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kib X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: e5a8b8152ade3c658a9a180f0bd2f6ae82302948 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=e5a8b8152ade3c658a9a180f0bd2f6ae82302948 commit e5a8b8152ade3c658a9a180f0bd2f6ae82302948 Author: Konstantin Belousov AuthorDate: 2021-10-11 16:13:31 +0000 Commit: Konstantin Belousov CommitDate: 2021-10-22 23:32:27 +0000 crt_malloc: Be more persistent when handling mmap() failure PR: 259076 (cherry picked from commit 19e008e7f79ce55182d227be8513b3fa520471d8) --- libexec/rtld-elf/rtld_malloc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/libexec/rtld-elf/rtld_malloc.c b/libexec/rtld-elf/rtld_malloc.c index f22c3c727c73..64218b5bb786 100644 --- a/libexec/rtld-elf/rtld_malloc.c +++ b/libexec/rtld-elf/rtld_malloc.c @@ -184,7 +184,9 @@ morecore(int bucket) nblks = 1; } if (amt > pagepool_end - pagepool_start) - if (morepages(amt/pagesz + NPOOLPAGES) == 0) + if (morepages(amt / pagesz + NPOOLPAGES) == 0 && + /* Retry with min required size */ + morepages(amt / pagesz) == 0) return; op = (union overhead *)pagepool_start; pagepool_start += amt; @@ -269,6 +271,8 @@ morepages(int n) } } + if (pagepool_start == MAP_FAILED) + pagepool_start = 0; offset = (uintptr_t)pagepool_start - rounddown2( (uintptr_t)pagepool_start, pagesz);