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Mon, 28 Oct 2019 15:46:22 GMT Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8F9876A051; Mon, 28 Oct 2019 15:46:22 +0000 (GMT) Received: from b03ledav003.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 764D16A047; Mon, 28 Oct 2019 15:46:22 +0000 (GMT) Received: from localhost (unknown [9.41.179.251]) by b03ledav003.gho.boulder.ibm.com (Postfix) with ESMTP; Mon, 28 Oct 2019 15:46:22 +0000 (GMT) From: Nathan Lynch To: Christophe Leroy Subject: Re: passing NULL to clock_getres (VDSO): terminated by unexpected signal 11 In-Reply-To: <0fc22a08-31d9-e4d1-557e-bf5b482a9a20@c-s.fr> References: <0fc22a08-31d9-e4d1-557e-bf5b482a9a20@c-s.fr> Date: Mon, 28 Oct 2019 10:46:22 -0500 Message-ID: <87wocolvox.fsf@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-28_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=947 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910280158 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linuxppc-dev@ozlabs.org" , Vincenzo Frascino Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Hi Christophe, Christophe Leroy writes: > Hi Nathan, > > While trying to switch powerpc VDSO to C version of gettimeofday(), I'm > getting the following kind of error with vdsotest: > > passing NULL to clock_getres (VDSO): terminated by unexpected signal 11 > > Looking at commit a9446a906f52 ("lib/vdso/32: Remove inconsistent NULL > pointer checks"), it seems that signal 11 is expected when passing NULL > pointer. > > Any plan to fix vdsotest ? I'm afraid other work has kept me from following up on this promptly, sorry. I've read the thread here: https://lore.kernel.org/linuxppc-dev/87v9skcznp.fsf@igel.home/ And it looks like vdsotest does not need a fix (and in fact found a bug) -- correct?