From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D483FC43441 for ; Tue, 13 Nov 2018 16:57:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9AF8320854 for ; Tue, 13 Nov 2018 16:57:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9AF8320854 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.us Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731326AbeKNC4o (ORCPT ); Tue, 13 Nov 2018 21:56:44 -0500 Received: from mout.gmx.net ([212.227.17.22]:39897 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727475AbeKNC4o (ORCPT ); Tue, 13 Nov 2018 21:56:44 -0500 Received: from dhcp-41-57.bos.redhat.com ([66.187.233.206]) by mail.gmx.com (mrgmx101 [212.227.17.174]) with ESMTPSA (Nemesis) id 0Lip2P-1fmBtM2k7p-00d2PO; Tue, 13 Nov 2018 17:55:38 +0100 Message-ID: <1542128132.12945.19.camel@gmx.us> Subject: WARNING: CPU: 26 PID: 64391 at lib/vsprintf.c:2193 set_precision+0x84/0x90 From: Qian Cai To: linux-kernel@vger.kernel.org Cc: Petr Mladek , Andy Shevchenko , "Tobin C. Harding" , "Steven Rostedt (VMware)" , Geert Uytterhoeven Date: Tue, 13 Nov 2018 11:55:32 -0500 Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 (3.22.6-10.el7) Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:RrNqy1p59BkrBP9YL7W+sdxWluEoKFsL61J8v++g/qen/h20Jx+ bc6PChmgaKz8P/KEo45cZEYDUwl/D9j6aHv1ClrQ8yGfr+OW5hoW/X6cs15/13C0zS3yTFs il5qn8NHCwXWaxCYdnKzK34lzlCKZvXuXNVDBoZpX9Exm6ZhZx99j/nfNgPNxBsrt2M4V6g Nx0bfdp98+03+Ff+TViNQ== X-UI-Out-Filterresults: notjunk:1;V01:K0:N70eSBAUsyg=:+szDksdkfjGxUwnXfcQdIe JN4i6W472/qVvFmzUphD29kTpE5KL52ugqE1F3sLFUydqzJN39l4lfQwm/6Vmki0M/sxO+awz Io+85F/auHxjeFQR4r32kEG6jqynXfvpwfS/uBm1OdBeyJhC9JsJ16y5CVVuBbiwq/lCqRGbh mplvDz7pbxrj+JoxXUP3ORZJnXp2OUUV0GKYd1PdZT67lTRHlMR7hKPhYecq6JLw9wpV+Z9Py 3JvjweV8x5QgtZ2/Sr4dTiebOz6ie/Bj+YGK3NCstdETMLtPJ+HwwcQvwpj+nwnYVtQ93kGr+ 8I/z4JUvGRuqokh0e9jI4QC0cXAHCWJXq7yfy7UlGX7eDnDLMF5QA4YeCl3MHMbeKk6sO8y/G 6NBetAkIM1APaC6yzXAjNaTBGGdejUxIdpJMDaGOAgUa8T3em51iOSo6tKSrTaJg/knxV5DLT GQkLVtXVSsNQoRJS/RQ8BQLYcvIS8wByM6Iga/bFU1Cgp6E9MxaTjkTea+zCaHc87+3JqigOP sUtgwKAwbjGxf7qukMMbOoMI2leiTMefEcJQlKELLBLS8lswazdm2kvhysg32/qCmrbY3Qxkj B6JnItc00QOaqsMdaog9H7RmhT9RK4YoiW2/p8i/+v204oRMauZ6IqrK3jNPIEjwrhdQeLkRJ q9fWOfpcVi01x4DPv9Uf4KuGKHOBmfg+Q/uwZX1MKCGcf9s3oco/qFhCGZDd6GQpUbdVVd0Gl vzMoCHBsBBp3fAr83QSusFLW4ReDvhl9G9AU/4WVd9jVI69dGD5979IJzaIm20Yi7HU2cn8HU TPk2nO0cdAfifTjks3gnsOZ+71mUhaSk0bGNjujmyNq2wfhTqYAAHRfvPoUzh+onNF8Eqx5Qc kl4F7bFaTKn7CJamddm4+hDDPeONWUrwpS+BoNhV9gNOKI0VBL3no3mm32KapK Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Running the trinity fuzzer with a non-root user on an aarch64 server with the latest mainline (rc2) generated this. Is it just a false alarm to ignore? [  807.847370] precision 65525 too large [  807.847449] WARNING: CPU: 26 PID: 64391 at lib/vsprintf.c:2193 set_precision+0x84/0x90 [  807.860161] Modules linked in: cast6_generic cast_common lrw bridge 8021q garp mrp stp llc dlci tcp_diag inet_diag af_key pptp gre l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppoe pppox ppp_generic slhc crypto_user ib_core nfnetlink scsi_transport_iscsi atm sctp vfat fat ghash_ce sha2_ce sha256_arm64 sha1_ce ses enclosure ipmi_ssif sg ipmi_si ipmi_devintf sbsa_gwdt ipmi_msghandler sch_fq_codel xfs libcrc32c marvell mpt3sas mlx5_core raid_class hibmc_drm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm ixgbe hisi_sas_v2_hw igb hisi_sas_main libsas hns_dsaf mlxfw devlink hns_enet_drv mdio i2c_designware_platform i2c_algo_bit i2c_designware_core ehci_platform scsi_transport_sas hns_mdio hnae dm_mirror dm_region_hash dm_log dm_mod [  807.927838] CPU: 26 PID: 64391 Comm: trinity-c90 Kdump: loaded Tainted: G        W         4.20.0-rc2+ #16 [  807.937494] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.50 06/01/2018 [  807.944718] pstate: 60000005 (nZCv daif -PAN -UAO) [  807.949515] pc : set_precision+0x84/0x90 [  807.953439] lr : set_precision+0x84/0x90 [  807.957362] sp : ffff801e6430f6b0 [  807.960677] x29: ffff801e6430f6b0 x28: ffff801e6430fb10  [  807.965992] x27: 0000000000000003 x26: 00000000ffffffd8  [  807.971307] x25: ffff801e6430fba0 x24: ffff801e6430fb48  [  807.976622] x23: ffff2000093ddfa0 x22: ffff801e6430f770  [  807.981937] x21: ffff2000090eb4a6 x20: ffff801e6430f770  [  807.987252] x19: 000000000000fff5 x18: 0000000000000000  [  807.992569] x17: 0000000000000000 x16: 0000000000000000  [  807.997884] x15: 0000000000000000 x14: 3878302031343220  [  808.003201] x13: 6265783020303939 x12: ffff04000172b49c  [  808.008516] x11: 1fffe4000172b49b x10: ffff04000172b49b  [  808.013832] x9 : 0000000000000000 x8 : 203532353536206e  [  808.019148] x7 : 6f69736963657270 x6 : 0000000041b58ab3  [  808.024463] x5 : dfff200000000000 x4 : dfff200000000000  [  808.029779] x3 : dfff200000000000 x2 : 65a2459128144800  [  808.035093] x1 : 65a2459128144800 x0 : 0000000000000000  [  808.040408] Call trace: [  808.042861]  set_precision+0x84/0x90 [  808.046440]  vsnprintf+0x23c/0x858 [  808.049845]  __request_module+0x1a0/0x8b8 [  808.053860]  get_fs_type+0xb0/0x138 [  808.057351]  do_mount+0x2c4/0x13c0 [  808.060756]  ksys_mount+0xf4/0x110 [  808.064160]  __arm64_sys_mount+0x70/0x88 [  808.068087]  el0_svc_handler+0xd4/0x198 [  808.071928]  el0_svc+0x8/0xc [  808.074810] irq event stamp: 347872 [  808.078305] hardirqs last  enabled at (347871): [] vprintk_emit+0x2b0/0x5c0 [  808.086833] hardirqs last disabled at (347872): [] do_debug_exception+0xd8/0x190 [  808.095795] softirqs last  enabled at (347844): [] __do_softirq+0x7c8/0x9c8 [  808.104325] softirqs last disabled at (347837): [] irq_exit+0x25c/0x2f0 [  808.112502] ---[ end trace 598902d30712b79e ]---