From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) by sourceware.org (Postfix) with ESMTP id 667103858D32 for ; Sat, 5 Aug 2023 00:00:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 667103858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gentoo.org From: Sam James To: libc-alpha@sourceware.org Cc: arsen@gentoo.org, Sam James Subject: [PATCH 2/2] sysdeps: tst-bz21269: handle ENOSYS & skip appropriately Date: Sat, 5 Aug 2023 01:00:04 +0100 Message-ID: <20230805000005.2427213-2-sam@gentoo.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230805000005.2427213-1-sam@gentoo.org> References: <20230805000005.2427213-1-sam@gentoo.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-9.9 required=5.0 tests=BAYES_00,GIT_PATCH_0,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS,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: SYS_modify_ldt requires CONFIG_MODIFY_LDT_SYSCALL to be set in the kernel, which some distributions may disable for hardening. Check if that's the case (unset) and mark the test as UNSUPPORTED if so. Signed-off-by: Sam James --- sysdeps/unix/sysv/linux/i386/tst-bz21269.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/sysdeps/unix/sysv/linux/i386/tst-bz21269.c b/sysdeps/unix/sysv/linux/i386/tst-bz21269.c index f508ef8f16..345b4ebc45 100644 --- a/sysdeps/unix/sysv/linux/i386/tst-bz21269.c +++ b/sysdeps/unix/sysv/linux/i386/tst-bz21269.c @@ -52,7 +52,16 @@ xset_thread_area (struct user_desc *u_info) static void xmodify_ldt (int func, const void *ptr, unsigned long bytecount) { - TEST_VERIFY_EXIT (syscall (SYS_modify_ldt, func, ptr, bytecount) == 0); + long ret = syscall (SYS_modify_ldt, func, ptr, bytecount); + + if (ret == -1) + { + if (errno == ENOSYS) + FAIL_UNSUPPORTED ("modify_ldt not supported"); + FAIL_EXIT1 ("semget failed (errno=%d)", errno); + } + + return 0; } static int -- 2.41.0