From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from hall.aurel32.net (hall.aurel32.net [IPv6:2001:bc8:30d7:100::1]) by sourceware.org (Postfix) with ESMTPS id B99A63856DDA for ; Wed, 2 Nov 2022 16:31:16 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org B99A63856DDA Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=aurel32.net Authentication-Results: sourceware.org; spf=none smtp.mailfrom=aurel32.net DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:Message-Id:Date: Subject:Cc:To:From:Content-Type:From:Reply-To:Subject:Content-ID: Content-Description:In-Reply-To:References:X-Debbugs-Cc; bh=GwOmm9q64qvG+mIOKSRkwkaPce1j5fmXfgCpxmqkmjw=; b=WnPl5sMz+dcEd17YK4/wvRcNlK WBAoHcrgRpWAyuD67HHBxeSspHryTXX+5uGk7PcEOEO9D2S02siW20VtoZCe2MUpn6tGap+AqKMj4 1M/yveXBNIkK4CHVcam3y3o/k2z/kDEpADq6OVEm9vWMU1mrKf2feMzyPIV3JUrb080qg3h80/gun pQuF0eFfpoV+ZXaXZ6EWb/jDGGQEvhasTHfVpJazzOt806RvRpWZIJaLE31+9iDu31vghA0q6+ZNs zK2EMJwTxvTnxctC8CXe2e9wQLtbawwoLJDBViJCUhPnIu2Yp0QNQMNSUt8BAFF7BM6jsNxkaVlC0 At7memCA==; Received: from [2a01:e34:ec5d:a741:8a4c:7c4e:dc4c:1787] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1oqGe2-003APo-SL; Wed, 02 Nov 2022 17:31:14 +0100 Received: from aurel32 by ohm.rr44.fr with local (Exim 4.96) (envelope-from ) id 1oqGe0-000Tro-2i; Wed, 02 Nov 2022 17:31:12 +0100 From: Aurelien Jarno To: libc-stable@sourceware.org Cc: Aurelien Jarno , Adhemerval Zanella Subject: [COMMITTED 2.36] linux: Fix fstatat on MIPSn64 (BZ #29730) Date: Wed, 2 Nov 2022 17:31:11 +0100 Message-Id: <20221102163111.114784-1-aurelien@aurel32.net> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-13.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_SHORT,SPF_HELO_PASS,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Commit 6e8a0aac2f883 ("time: Fix overflow itimer tests on 32-bit systems") changed in_time_t_range to assume a 32-bit time_t. This broke fstatat on MIPSn64 that was using it with a 64-bit time_t due to difference between stat and stat64. This commit fix that by adding a MIPSn64 specific version, which bypasses the EOVERFLOW tests. Resolves: BZ #29730 Reviewed-by: Adhemerval Zanella (cherry picked from commit 7457b7eef8dfe8cc48e55b9f9837df6dd397b80d) --- NEWS | 1 + .../unix/sysv/linux/mips/mips64/n64/fstatat.c | 51 +++++++++++++++++++ 2 files changed, 52 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/mips/mips64/n64/fstatat.c diff --git a/NEWS b/NEWS index 833045585f..e92d547e2c 100644 --- a/NEWS +++ b/NEWS @@ -45,6 +45,7 @@ The following bugs are resolved with this release: [29638] libc: stdlib: arc4random fallback is never used [29657] libc: Incorrect struct stat for 64-bit time on linux/generic platforms + [29730] broken y2038 support in fstatat on MIPS N64 Version 2.36 diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/fstatat.c b/sysdeps/unix/sysv/linux/mips/mips64/n64/fstatat.c new file mode 100644 index 0000000000..fe6c3a0dda --- /dev/null +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/fstatat.c @@ -0,0 +1,51 @@ +/* Get file status. Linux/MIPSn64 version. + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +/* Different than other ABIs, mips64 has different layouts for non-LFS + and LFS struct stat. */ +int +__fstatat (int fd, const char *file, struct stat *buf, int flag) +{ + struct __stat64_t64 st64; + int r = __fstatat64_time64 (fd, file, &st64, flag); + if (r == 0) + { + /* Clear internal pad and reserved fields. */ + memset (buf, 0, sizeof (*buf)); + + buf->st_dev = st64.st_dev; + buf->st_ino = st64.st_ino; + buf->st_mode = st64.st_mode; + buf->st_nlink = st64.st_nlink; + buf->st_uid = st64.st_uid; + buf->st_gid = st64.st_gid; + buf->st_rdev = st64.st_rdev; + buf->st_size = st64.st_size; + buf->st_blksize = st64.st_blksize; + buf->st_blocks = st64.st_blocks; + buf->st_atim = st64.st_atim; + buf->st_mtim = st64.st_mtim; + buf->st_ctim = st64.st_ctim; + } + return r; +} + +weak_alias (__fstatat, fstatat) -- 2.35.1