From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755548Ab3KVLs0 (ORCPT ); Fri, 22 Nov 2013 06:48:26 -0500 Received: from e06smtp12.uk.ibm.com ([195.75.94.108]:45261 "EHLO e06smtp12.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753277Ab3KVLsZ (ORCPT ); Fri, 22 Nov 2013 06:48:25 -0500 Date: Fri, 22 Nov 2013 12:48:19 +0100 From: Heiko Carstens To: Roberto Sassu , Mimi Zohar Cc: Martin Schwidefsky , linux-kernel@vger.kernel.org Subject: [BUG] 3ce1217d6cd5 ima patch causes s390 to crash on boot Message-ID: <20131122114819.GB4208@osiris> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13112211-8372-0000-0000-000007DA1B75 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Roberto, your patch 3ce1217d6cd5 "ima: define template fields library and new helpers" causes s390 to crash on boot: IMA: No TPM chip found, activating TPM-bypass! Unable to handle kernel pointer dereference at virtual kernel address 0000000000842000 Oops: 0004 [#1] SMP Modules linked in: CPU: 3 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc2-00098-g3ce1217d6cd5 #17 task: 000000003ffa0000 ti: 000000003ff84000 task.ti: 000000003ff84000 Krnl PSW : 0704e00180000000 000000000044bf88 (strsep+0x7c/0xa0) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 EA:3 Krnl GPRS: 000000000000007c 000000000000007c 000000003ff87d90 0000000000821fd8 0000000000000000 000000000000007c 0000000000aa37e0 0000000000aa9008 0000000000000051 0000000000a114d8 0000000100000002 0000000000842bde 0000000000842bdf 00000000006f97f0 000000000040062c 000000003ff87cf0 Krnl Code: 000000000044bf7c: a7f4000a brc 15,44bf90 000000000044bf80: b90200cc ltgr %r12,%r12 #000000000044bf84: a7840006 brc 8,44bf90 >000000000044bf88: 9200c000 mvi 0(%r12),0 000000000044bf8c: 41c0c001 la %r12,1(%r12) 000000000044bf90: e3c020000024 stg %r12,0(%r2) 000000000044bf96: b904002b lgr %r2,%r11 000000000044bf9a: ebbcf0700004 lmg %r11,%r12,112(%r15) Call Trace: ([<00000000004005fe>] ima_init_template+0xa2/0x1bc) [<0000000000a7c896>] ima_init+0x7a/0xa8 [<0000000000a7c938>] init_ima+0x24/0x40 [<00000000001000e8>] do_one_initcall+0x68/0x128 [<0000000000a4eb56>] kernel_init_freeable+0x20a/0x2b4 [<00000000006a1ff4>] kernel_init+0x30/0x178 [<00000000006b69fe>] kernel_thread_starter+0x6/0xc [<00000000006b69f8>] kernel_thread_starter+0x0/0xc Last Breaking-Event-Address: [<000000000044bf42>] strsep+0x36/0xa0