February 2020 - kbuild-all

Re: [PATCH] libertas: Fix two buffer overflows at parsing bss descriptor

by kbuild test robot

Hi, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on wireless-drivers-next/master] [also build test WARNING on v5.4-rc8 next-20191122] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/huangwenabc-gmail-com/libertas-F... base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-ne... master config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sh If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): drivers/net/wireless/marvell/libertas/cfg.c: In function 'lbs_ibss_join_existing': >> drivers/net/wireless/marvell/libertas/cfg.c:1788:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement] u8 *rates = cmd.bss.rates; ^~ vim +1788 drivers/net/wireless/marvell/libertas/cfg.c e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1715 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1716 static int lbs_ibss_join_existing(struct lbs_private *priv, e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1717 struct cfg80211_ibss_params *params, e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1718 struct cfg80211_bss *bss) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1719 { 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1720 const u8 *rates_eid; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1721 struct cmd_ds_802_11_ad_hoc_join cmd; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1722 u8 preamble = RADIO_PREAMBLE_SHORT; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1723 int ret = 0; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1724 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1725 /* TODO: set preamble based on scan result */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1726 ret = lbs_set_radio(priv, preamble, 1); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1727 if (ret) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1728 goto out; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1729 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1730 /* e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1731 * Example CMD_802_11_AD_HOC_JOIN command: e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1732 * e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1733 * command 2c 00 CMD_802_11_AD_HOC_JOIN e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1734 * size 65 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1735 * sequence xx xx e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1736 * result 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1737 * bssid 02 27 27 97 2f 96 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1738 * ssid 49 42 53 53 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1739 * 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1740 * 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1741 * 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1742 * type 02 CMD_BSS_TYPE_IBSS e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1743 * beacon period 64 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1744 * dtim period 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1745 * timestamp 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1746 * localtime 00 00 00 00 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1747 * IE DS 03 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1748 * IE DS len 01 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1749 * IE DS channel 01 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1750 * reserveed 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1751 * IE IBSS 06 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1752 * IE IBSS len 02 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1753 * IE IBSS atim 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1754 * reserved 00 00 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1755 * capability 02 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1756 * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1757 * fail timeout ff 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1758 * probe delay 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1759 */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1760 memset(&cmd, 0, sizeof(cmd)); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1761 cmd.hdr.size = cpu_to_le16(sizeof(cmd)); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1762 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1763 memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1764 memcpy(cmd.bss.ssid, params->ssid, params->ssid_len); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1765 cmd.bss.type = CMD_BSS_TYPE_IBSS; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1766 cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1767 cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1768 cmd.bss.ds.header.len = 1; 683b6d3b31a519 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-08 1769 cmd.bss.ds.channel = params->chandef.chan->hw_value; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1770 cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1771 cmd.bss.ibss.header.len = 2; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1772 cmd.bss.ibss.atimwindow = 0; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1773 cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1774 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1775 /* set rates to the intersection of our rates and the rates in the e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1776 bss */ 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1777 rcu_read_lock(); 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1778 rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1779 if (!rates_eid) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1780 lbs_add_rates(cmd.bss.rates); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1781 } else { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1782 int hw, i; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1783 u8 rates_max = rates_eid[1]; bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1784 if (rates_max > MAX_RATES) { bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1785 lbs_deb_join("invalid rates"); bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1786 goto out; bb7da3c8c1a225 drivers/net/wireless/marvell/libertas/cfg.c Wen Huang 2019-11-22 1787 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 @1788 u8 *rates = cmd.bss.rates; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1789 for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1790 u8 hw_rate = lbs_rates[hw].bitrate / 5; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1791 for (i = 0; i < rates_max; i++) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1792 if (hw_rate == (rates_eid[i+2] & 0x7f)) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1793 u8 rate = rates_eid[i+2]; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1794 if (rate == 0x02 || rate == 0x04 || e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1795 rate == 0x0b || rate == 0x16) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1796 rate |= 0x80; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1797 *rates++ = rate; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1798 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1799 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1800 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1801 } 9caf03640279e6 drivers/net/wireless/libertas/cfg.c Johannes Berg 2012-11-29 1802 rcu_read_unlock(); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1803 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1804 /* Only v8 and below support setting this */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1805 if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) { e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1806 cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1807 cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1808 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1809 ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1810 if (ret) e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1811 goto out; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1812 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1813 /* e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1814 * This is a sample response to CMD_802_11_AD_HOC_JOIN: e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1815 * e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1816 * response 2c 80 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1817 * size 09 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1818 * sequence xx xx e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1819 * result 00 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1820 * reserved 00 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1821 */ e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1822 lbs_join_post(priv, params, bss->bssid, bss->capability); e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1823 e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1824 out: e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1825 return ret; e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1826 } e86dc1ca467644 drivers/net/wireless/libertas/cfg.c Kiran Divekar 2010-06-14 1827 :::::: The code at line 1788 was first introduced by commit :::::: e86dc1ca4676445d9f0dfe35104efe0eb8a2f566 Libertas: cfg80211 support :::::: TO: Kiran Divekar <dkiran(a)marvell.com> :::::: CC: John W. Linville <linville(a)tuxdriver.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

1 year

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Re: [PATCH 3/3] proc: Remove the now unnecessary internal mount of proc

by kbuild test robot

Hi "Eric, Thank you for the patch! Yet something to improve: [auto build test ERROR on uml/linux-next] [also build test ERROR on linux/master kees/for-next/pstore linus/master v5.6-rc3 next-20200228] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Eric-W-Biederman/proc-Actually-h... base: https://git.kernel.org/pub/scm/linux/kernel/git/rw/uml.git linux-next config: x86_64-defconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): fs/proc/base.c: In function 'proc_flush_task': >> fs/proc/base.c:3217:33: error: 'struct pid_namespace' has no member named 'proc_mnt'; did you mean 'proc_self'? proc_flush_task_mnt(upid->ns->proc_mnt, upid->nr, ^~~~~~~~ proc_self vim +3217 fs/proc/base.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 3180 0895e91d60ef9b Randy Dunlap 2007-10-21 3181 /** 0895e91d60ef9b Randy Dunlap 2007-10-21 3182 * proc_flush_task - Remove dcache entries for @task from the /proc dcache. 0895e91d60ef9b Randy Dunlap 2007-10-21 3183 * @task: task that should be flushed. 0895e91d60ef9b Randy Dunlap 2007-10-21 3184 * 0895e91d60ef9b Randy Dunlap 2007-10-21 3185 * When flushing dentries from proc, one needs to flush them from global 60347f6716aa49 Pavel Emelyanov 2007-10-18 3186 * proc (proc_mnt) and from all the namespaces' procs this task was seen 0895e91d60ef9b Randy Dunlap 2007-10-21 3187 * in. This call is supposed to do all of this job. 0895e91d60ef9b Randy Dunlap 2007-10-21 3188 * 0895e91d60ef9b Randy Dunlap 2007-10-21 3189 * Looks in the dcache for 0895e91d60ef9b Randy Dunlap 2007-10-21 3190 * /proc/@pid 0895e91d60ef9b Randy Dunlap 2007-10-21 3191 * /proc/@tgid/task/@pid 0895e91d60ef9b Randy Dunlap 2007-10-21 3192 * if either directory is present flushes it and all of it'ts children 0895e91d60ef9b Randy Dunlap 2007-10-21 3193 * from the dcache. 0895e91d60ef9b Randy Dunlap 2007-10-21 3194 * 0895e91d60ef9b Randy Dunlap 2007-10-21 3195 * It is safe and reasonable to cache /proc entries for a task until 0895e91d60ef9b Randy Dunlap 2007-10-21 3196 * that task exits. After that they just clog up the dcache with 0895e91d60ef9b Randy Dunlap 2007-10-21 3197 * useless entries, possibly causing useful dcache entries to be 0895e91d60ef9b Randy Dunlap 2007-10-21 3198 * flushed instead. This routine is proved to flush those useless 0895e91d60ef9b Randy Dunlap 2007-10-21 3199 * dcache entries at process exit time. 0895e91d60ef9b Randy Dunlap 2007-10-21 3200 * 0895e91d60ef9b Randy Dunlap 2007-10-21 3201 * NOTE: This routine is just an optimization so it does not guarantee 0895e91d60ef9b Randy Dunlap 2007-10-21 3202 * that no dcache entries will exist at process exit time it 0895e91d60ef9b Randy Dunlap 2007-10-21 3203 * just makes it very unlikely that any will persist. 60347f6716aa49 Pavel Emelyanov 2007-10-18 3204 */ 60347f6716aa49 Pavel Emelyanov 2007-10-18 3205 60347f6716aa49 Pavel Emelyanov 2007-10-18 3206 void proc_flush_task(struct task_struct *task) 60347f6716aa49 Pavel Emelyanov 2007-10-18 3207 { 9fcc2d15b14894 Eric W. Biederman 2007-11-14 3208 int i; 9b4d1cbef8f41a Oleg Nesterov 2009-09-22 3209 struct pid *pid, *tgid; 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 3210 struct upid *upid; 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 3211 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 3212 pid = task_pid(task); 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 3213 tgid = task_tgid(task); 9fcc2d15b14894 Eric W. Biederman 2007-11-14 3214 9fcc2d15b14894 Eric W. Biederman 2007-11-14 3215 for (i = 0; i <= pid->level; i++) { 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 3216 upid = &pid->numbers[i]; 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 @3217 proc_flush_task_mnt(upid->ns->proc_mnt, upid->nr, 9b4d1cbef8f41a Oleg Nesterov 2009-09-22 3218 tgid->numbers[i].nr); 130f77ecb2e7d5 Pavel Emelyanov 2007-10-18 3219 } 60347f6716aa49 Pavel Emelyanov 2007-10-18 3220 } 60347f6716aa49 Pavel Emelyanov 2007-10-18 3221 :::::: The code at line 3217 was first introduced by commit :::::: 130f77ecb2e7d5ac3e53e620f55e374f4a406b20 pid namespaces: make proc_flush_task() actually from entries from multiple namespaces :::::: TO: Pavel Emelyanov <xemul(a)openvz.org> :::::: CC: Linus Torvalds <torvalds(a)woody.linux-foundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 1 month

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Re: [PATCH resend] x86/purgatory: Make sure we fail the build if purgatory.ro has missing symbols

by kbuild test robot

Hi Hans, I love your patch! Yet something to improve: [auto build test ERROR on tip/x86/core] [also build test ERROR on v5.6-rc3 next-20200228] [cannot apply to tip/auto-latest] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Hans-de-Goede/x86-purgatory-Make... base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 248ed51048c40d36728e70914e38bffd7821da57 config: x86_64-randconfig-s1-20200229 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): ld: arch/x86/purgatory/purgatory.ro: in function `kstrtoull': >> (.text+0x2b0e): undefined reference to `ftrace_likely_update' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

1 year, 1 month

3
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[peterz-queue:core/rcu 31/33] arch/x86/kernel/alternative.c:961:26: error: inlining failed in call to always_inline 'try_get_desc': function attribute mismatch

by kbuild test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git core/rcu head: bc72cd8dac4be9572f0cae33b096f9c23460e08a commit: 2834aaec9e68691ed8d74bdfd3bbea47b6b3972f [31/33] x86/int3: Ensure that poke_int3_handler() is not sanitized config: x86_64-allmodconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: git checkout 2834aaec9e68691ed8d74bdfd3bbea47b6b3972f # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): In file included from arch/x86/include/asm/math_emu.h:5:0, from arch/x86/include/asm/processor.h:13, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/seqlock.h:36, from include/linux/time.h:6, from include/linux/stat.h:19, from include/linux/module.h:13, from arch/x86/kernel/alternative.c:4: arch/x86/kernel/alternative.c: In function 'poke_int3_handler': arch/x86/include/asm/ptrace.h:126:28: error: inlining failed in call to always_inline 'user_mode': function attribute mismatch static __always_inline int user_mode(struct pt_regs *regs) ^~~~~~~~~ arch/x86/kernel/alternative.c:1000:6: note: called from here if (user_mode(regs)) ^~~~~~~~~~~~~~~ >> arch/x86/kernel/alternative.c:961:26: error: inlining failed in call to always_inline 'try_get_desc': function attribute mismatch struct bp_patching_desc *try_get_desc(struct bp_patching_desc **descp) ^~~~~~~~~~~~ arch/x86/kernel/alternative.c:1013:7: note: called from here desc = try_get_desc(&bp_desc); ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/kernel/alternative.c:17:0: >> include/linux/bsearch.h:8:7: error: inlining failed in call to always_inline '__bsearch': function attribute mismatch void *__bsearch(const void *key, const void *base, size_t num, size_t size, cmp_func_t cmp) ^~~~~~~~~ arch/x86/kernel/alternative.c:1026:6: note: called from here tp = __bsearch(ip, desc->vec, desc->nr_entries, ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sizeof(struct text_poke_loc), ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ patch_cmp); ~~~~~~~~~~ arch/x86/kernel/alternative.c:977:30: error: inlining failed in call to always_inline 'text_poke_addr': function attribute mismatch static __always_inline void *text_poke_addr(struct text_poke_loc *tp) ^~~~~~~~~~~~~~ arch/x86/kernel/alternative.c:1033:7: note: called from here if (text_poke_addr(tp) != ip) ^~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/kprobes.h:18:0, from include/linux/kprobes.h:30, from arch/x86/kernel/alternative.c:15: >> arch/x86/include/asm/text-patching.h:67:28: error: inlining failed in call to always_inline 'text_opcode_size': function attribute mismatch static __always_inline int text_opcode_size(u8 opcode) ^~~~~~~~~~~~~~~~ arch/x86/kernel/alternative.c:1037:6: note: called from here len = text_opcode_size(tp->opcode); ~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/kprobes.h:18:0, from include/linux/kprobes.h:30, from arch/x86/kernel/alternative.c:15: >> arch/x86/include/asm/text-patching.h:144:6: error: inlining failed in call to always_inline 'int3_emulate_call': function attribute mismatch void int3_emulate_call(struct pt_regs *regs, unsigned long func) ^~~~~~~~~~~~~~~~~ arch/x86/kernel/alternative.c:1049:3: note: called from here int3_emulate_call(regs, (long)ip + tp->rel32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/kprobes.h:18:0, from include/linux/kprobes.h:30, from arch/x86/kernel/alternative.c:15: >> arch/x86/include/asm/text-patching.h:122:6: error: inlining failed in call to always_inline 'int3_emulate_jmp': function attribute mismatch void int3_emulate_jmp(struct pt_regs *regs, unsigned long ip) ^~~~~~~~~~~~~~~~ arch/x86/kernel/alternative.c:1054:3: note: called from here int3_emulate_jmp(regs, (long)ip + tp->rel32); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/kernel/alternative.c:971:29: error: inlining failed in call to always_inline 'put_desc': function attribute mismatch static __always_inline void put_desc(struct bp_patching_desc *desc) ^~~~~~~~ arch/x86/kernel/alternative.c:1064:2: note: called from here put_desc(desc); ^~~~~~~~~~~~~~ -- In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: arch/x86/kernel/traps.c: In function 'do_int3': >> arch/x86/include/asm/preempt.h:24:28: error: inlining failed in call to always_inline 'preempt_count': function attribute mismatch static __always_inline int preempt_count(void) ^~~~~~~~~~~~~ In file included from arch/x86/include/asm/current.h:5:0, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: include/linux/preempt.h:102:20: note: called from here #define in_nmi() (preempt_count() & NMI_MASK) ^~~~~~~~~~~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ include/linux/hardirq.h:86:3: note: in expansion of macro 'BUG_ON' BUG_ON(in_nmi() == NMI_MASK); \ ^~~~~~ include/linux/hardirq.h:86:10: note: in expansion of macro 'in_nmi' BUG_ON(in_nmi() == NMI_MASK); \ ^~~~~~ arch/x86/kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/hardirq.h:7:0, from include/linux/interrupt.h:11, from arch/x86/kernel/traps.c:16: >> include/linux/ftrace_irq.h:10:29: error: inlining failed in call to always_inline 'ftrace_nmi_enter': function attribute mismatch static __always_inline void ftrace_nmi_enter(void) ^~~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86/kernel/traps.c:16: include/linux/hardirq.h:85:3: note: called from here ftrace_nmi_enter(); \ ^~~~~~~~~~~~~~~~~~ arch/x86/kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/sched.h:12:0, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/lockdep.h:304:2: note: in expansion of macro 'current' current->lockdep_recursion += LOCKDEP_OFF; \ ^~~~~~~ include/linux/hardirq.h:84:3: note: in expansion of macro 'lockdep_off' lockdep_off(); \ ^~~~~~~~~~~ arch/x86/kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/irqflags.h:40:2: note: in expansion of macro 'current' current->hardirq_context++; \ ^~~~~~~ include/linux/hardirq.h:89:3: note: in expansion of macro 'trace_hardirq_enter' trace_hardirq_enter(); \ ^~~~~~~~~~~~~~~~~~~ arch/x86/kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: arch/x86/include/asm/preempt.h:77:29: error: inlining failed in call to always_inline '__preempt_count_add': function attribute mismatch static __always_inline void __preempt_count_add(int val) ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86/kernel/traps.c:16: include/linux/hardirq.h:87:3: note: called from here __preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: >> arch/x86/include/asm/preempt.h:24:28: error: inlining failed in call to always_inline 'preempt_count': function attribute mismatch static __always_inline int preempt_count(void) ^~~~~~~~~~~~~ In file included from arch/x86/include/asm/current.h:5:0, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: include/linux/preempt.h:102:20: note: called from here #define in_nmi() (preempt_count() & NMI_MASK) ^~~~~~~~~~~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ include/linux/hardirq.h:96:3: note: in expansion of macro 'BUG_ON' BUG_ON(!in_nmi()); \ ^~~~~~ include/linux/hardirq.h:96:11: note: in expansion of macro 'in_nmi' BUG_ON(!in_nmi()); \ ^~~~~~ arch/x86/kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ In file included from include/linux/sched.h:12:0, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/irqflags.h:44:2: note: in expansion of macro 'current' current->hardirq_context--; \ ^~~~~~~ include/linux/hardirq.h:94:3: note: in expansion of macro 'trace_hardirq_exit' trace_hardirq_exit(); \ ^~~~~~~~~~~~~~~~~~ arch/x86/kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/lockdep.h:309:2: note: in expansion of macro 'current' current->lockdep_recursion -= LOCKDEP_OFF; \ ^~~~~~~ include/linux/hardirq.h:99:3: note: in expansion of macro 'lockdep_on' lockdep_on(); \ ^~~~~~~~~~ arch/x86/kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ In file included from include/linux/hardirq.h:7:0, from include/linux/interrupt.h:11, from arch/x86/kernel/traps.c:16: >> include/linux/ftrace_irq.h:18:29: error: inlining failed in call to always_inline 'ftrace_nmi_exit': function attribute mismatch static __always_inline void ftrace_nmi_exit(void) ^~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86/kernel/traps.c:16: include/linux/hardirq.h:98:3: note: called from here ftrace_nmi_exit(); \ ^~~~~~~~~~~~~~~~~ arch/x86/kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86/kernel/traps.c:15: arch/x86/include/asm/preempt.h:82:29: error: inlining failed in call to always_inline '__preempt_count_sub': function attribute mismatch static __always_inline void __preempt_count_sub(int val) ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86/kernel/traps.c:16: include/linux/hardirq.h:97:3: note: called from here __preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ -- In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: arch/x86//kernel/traps.c: In function 'do_int3': >> arch/x86/include/asm/preempt.h:24:28: error: inlining failed in call to always_inline 'preempt_count': function attribute mismatch static __always_inline int preempt_count(void) ^~~~~~~~~~~~~ In file included from arch/x86/include/asm/current.h:5:0, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: include/linux/preempt.h:102:20: note: called from here #define in_nmi() (preempt_count() & NMI_MASK) ^~~~~~~~~~~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ include/linux/hardirq.h:86:3: note: in expansion of macro 'BUG_ON' BUG_ON(in_nmi() == NMI_MASK); \ ^~~~~~ include/linux/hardirq.h:86:10: note: in expansion of macro 'in_nmi' BUG_ON(in_nmi() == NMI_MASK); \ ^~~~~~ arch/x86//kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/hardirq.h:7:0, from include/linux/interrupt.h:11, from arch/x86//kernel/traps.c:16: >> include/linux/ftrace_irq.h:10:29: error: inlining failed in call to always_inline 'ftrace_nmi_enter': function attribute mismatch static __always_inline void ftrace_nmi_enter(void) ^~~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86//kernel/traps.c:16: include/linux/hardirq.h:85:3: note: called from here ftrace_nmi_enter(); \ ^~~~~~~~~~~~~~~~~~ arch/x86//kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/sched.h:12:0, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/lockdep.h:304:2: note: in expansion of macro 'current' current->lockdep_recursion += LOCKDEP_OFF; \ ^~~~~~~ include/linux/hardirq.h:84:3: note: in expansion of macro 'lockdep_off' lockdep_off(); \ ^~~~~~~~~~~ arch/x86//kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/irqflags.h:40:2: note: in expansion of macro 'current' current->hardirq_context++; \ ^~~~~~~ include/linux/hardirq.h:89:3: note: in expansion of macro 'trace_hardirq_enter' trace_hardirq_enter(); \ ^~~~~~~~~~~~~~~~~~~ arch/x86//kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: arch/x86/include/asm/preempt.h:77:29: error: inlining failed in call to always_inline '__preempt_count_add': function attribute mismatch static __always_inline void __preempt_count_add(int val) ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86//kernel/traps.c:16: include/linux/hardirq.h:87:3: note: called from here __preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86//kernel/traps.c:521:2: note: in expansion of macro 'nmi_enter' nmi_enter(); ^~~~~~~~~ In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: >> arch/x86/include/asm/preempt.h:24:28: error: inlining failed in call to always_inline 'preempt_count': function attribute mismatch static __always_inline int preempt_count(void) ^~~~~~~~~~~~~ In file included from arch/x86/include/asm/current.h:5:0, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: include/linux/preempt.h:102:20: note: called from here #define in_nmi() (preempt_count() & NMI_MASK) ^~~~~~~~~~~~~~~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ include/linux/hardirq.h:96:3: note: in expansion of macro 'BUG_ON' BUG_ON(!in_nmi()); \ ^~~~~~ include/linux/hardirq.h:96:11: note: in expansion of macro 'in_nmi' BUG_ON(!in_nmi()); \ ^~~~~~ arch/x86//kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ In file included from include/linux/sched.h:12:0, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/irqflags.h:44:2: note: in expansion of macro 'current' current->hardirq_context--; \ ^~~~~~~ include/linux/hardirq.h:94:3: note: in expansion of macro 'trace_hardirq_exit' trace_hardirq_exit(); \ ^~~~~~~~~~~~~~~~~~ arch/x86//kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ >> arch/x86/include/asm/current.h:13:44: error: inlining failed in call to always_inline 'get_current': function attribute mismatch static __always_inline struct task_struct *get_current(void) ^~~~~~~~~~~ arch/x86/include/asm/current.h:18:17: note: called from here #define current get_current() ^~~~~~~~~~~~~ include/linux/lockdep.h:309:2: note: in expansion of macro 'current' current->lockdep_recursion -= LOCKDEP_OFF; \ ^~~~~~~ include/linux/hardirq.h:99:3: note: in expansion of macro 'lockdep_on' lockdep_on(); \ ^~~~~~~~~~ arch/x86//kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ In file included from include/linux/hardirq.h:7:0, from include/linux/interrupt.h:11, from arch/x86//kernel/traps.c:16: >> include/linux/ftrace_irq.h:18:29: error: inlining failed in call to always_inline 'ftrace_nmi_exit': function attribute mismatch static __always_inline void ftrace_nmi_exit(void) ^~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86//kernel/traps.c:16: include/linux/hardirq.h:98:3: note: called from here ftrace_nmi_exit(); \ ^~~~~~~~~~~~~~~~~ arch/x86//kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ In file included from include/linux/preempt.h:78:0, from include/linux/rcupdate.h:27, from include/linux/rculist.h:11, from include/linux/pid.h:5, from include/linux/sched.h:14, from include/linux/context_tracking.h:5, from arch/x86//kernel/traps.c:15: arch/x86/include/asm/preempt.h:82:29: error: inlining failed in call to always_inline '__preempt_count_sub': function attribute mismatch static __always_inline void __preempt_count_sub(int val) ^~~~~~~~~~~~~~~~~~~ In file included from include/linux/interrupt.h:11:0, from arch/x86//kernel/traps.c:16: include/linux/hardirq.h:97:3: note: called from here __preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86//kernel/traps.c:543:2: note: in expansion of macro 'nmi_exit' nmi_exit(); ^~~~~~~~ .. vim +/try_get_desc +961 arch/x86/kernel/alternative.c 1f676247f36a4b Peter Zijlstra 2019-12-11 959 809106a6157bce Thomas Gleixner 2020-01-21 960 static __always_inline 809106a6157bce Thomas Gleixner 2020-01-21 @961 struct bp_patching_desc *try_get_desc(struct bp_patching_desc **descp) 1f676247f36a4b Peter Zijlstra 2019-12-11 962 { a9d380bd4091e7 Peter Zijlstra 2020-01-24 963 struct bp_patching_desc *desc = READ_ONCE_NOCHECK(*descp); /* rcu_dereference */ 1f676247f36a4b Peter Zijlstra 2019-12-11 964 a9d380bd4091e7 Peter Zijlstra 2020-01-24 965 if (!desc || !arch_atomic_inc_not_zero(&desc->refs)) 1f676247f36a4b Peter Zijlstra 2019-12-11 966 return NULL; 1f676247f36a4b Peter Zijlstra 2019-12-11 967 1f676247f36a4b Peter Zijlstra 2019-12-11 968 return desc; 1f676247f36a4b Peter Zijlstra 2019-12-11 969 } 1f676247f36a4b Peter Zijlstra 2019-12-11 970 809106a6157bce Thomas Gleixner 2020-01-21 @971 static __always_inline void put_desc(struct bp_patching_desc *desc) 1f676247f36a4b Peter Zijlstra 2019-12-11 972 { 1f676247f36a4b Peter Zijlstra 2019-12-11 973 smp_mb__before_atomic(); a9d380bd4091e7 Peter Zijlstra 2020-01-24 974 arch_atomic_dec(&desc->refs); 1f676247f36a4b Peter Zijlstra 2019-12-11 975 } c0213b0ac03cf6 Daniel Bristot de Oliveira 2019-06-12 976 :::::: The code at line 961 was first introduced by commit :::::: 809106a6157bce0fff76bfc7864e7ce34080abe0 x86/int3: Ensure that poke_int3_handler() is not traced :::::: TO: Thomas Gleixner <tglx(a)linutronix.de> :::::: CC: Peter Zijlstra <peterz(a)infradead.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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Re: [PATCH v6 2/7] mm: introduce external memory hinting API

by kbuild test robot

Hi Minchan, I love your patch! Perhaps something to improve: [auto build test WARNING on m68k/for-next] [also build test WARNING on powerpc/next s390/features linus/master v5.6-rc2 next-20200220] [cannot apply to arm64/for-next/core tip/x86/asm arm/for-next hp-parisc/for-next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Minchan-Kim/introduce-memory-hin... base: https://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k.git for-next config: nds32-randconfig-a001-20200220 (attached as .config) compiler: nds32le-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=nds32 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All warnings (new ones prefixed by >>): In file included from arch/nds32/include/uapi/asm/unistd.h:10, from arch/nds32/include/asm/unistd.h:6, from arch/nds32/kernel/vdso/sigreturn.S:6: >> include/uapi/asm-generic/unistd.h:858: warning: "__NR_pidfd_getfd" redefined 858 | #define __NR_pidfd_getfd 439 | include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous definition 856 | #define __NR_pidfd_getfd 438 | -- In file included from arch/nds32/include/uapi/asm/unistd.h:10, from arch/nds32/include/asm/unistd.h:6, from <stdin>:2: >> include/uapi/asm-generic/unistd.h:858: warning: "__NR_pidfd_getfd" redefined 858 | #define __NR_pidfd_getfd 439 | include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous definition 856 | #define __NR_pidfd_getfd 438 | <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] >> <stdin>:1520:2: warning: #warning syscall process_madvise not implemented [-Wcpp] -- In file included from arch/nds32/include/uapi/asm/unistd.h:10, from arch/nds32/include/asm/unistd.h:6, from <stdin>:2: >> include/uapi/asm-generic/unistd.h:858: warning: "__NR_pidfd_getfd" redefined 858 | #define __NR_pidfd_getfd 439 | include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous definition 856 | #define __NR_pidfd_getfd 438 | <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] >> <stdin>:1520:2: warning: #warning syscall process_madvise not implemented [-Wcpp] 16 real 2 user 4 sys 39.01% cpu make modules_prepare -- In file included from arch/nds32/include/uapi/asm/unistd.h:10, from arch/nds32/include/asm/unistd.h:6, from <stdin>:2: >> include/uapi/asm-generic/unistd.h:858: warning: "__NR_pidfd_getfd" redefined 858 | #define __NR_pidfd_getfd 439 | include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous definition 856 | #define __NR_pidfd_getfd 438 | <stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp] >> <stdin>:1520:2: warning: #warning syscall process_madvise not implemented [-Wcpp] In file included from arch/nds32/include/uapi/asm/unistd.h:10, from arch/nds32/include/asm/unistd.h:6, from arch/nds32/kernel/vdso/sigreturn.S:6: >> include/uapi/asm-generic/unistd.h:858: warning: "__NR_pidfd_getfd" redefined 858 | #define __NR_pidfd_getfd 439 | include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous definition 856 | #define __NR_pidfd_getfd 438 | In file included from arch/nds32/include/uapi/asm/unistd.h:10, from arch/nds32/include/asm/unistd.h:6, from arch/nds32/kernel/vdso/gettimeofday.c:11: >> include/uapi/asm-generic/unistd.h:858: warning: "__NR_pidfd_getfd" redefined 858 | #define __NR_pidfd_getfd 439 | include/uapi/asm-generic/unistd.h:856: note: this is the location of the previous definition 856 | #define __NR_pidfd_getfd 438 | 17 real 4 user 6 sys 59.28% cpu make prepare vim +/__NR_pidfd_getfd +858 include/uapi/asm-generic/unistd.h 853 854 #define __NR_openat2 437 855 __SYSCALL(__NR_openat2, sys_openat2) 856 #define __NR_pidfd_getfd 438 857 __SYSCALL(__NR_pidfd_getfd, sys_pidfd_getfd) > 858 #define __NR_pidfd_getfd 439 859 __SYSCALL(__NR_process_madvise, sys_process_madvise) 860 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[chrome-os:chromeos-5.4 60/62] drivers/extcon/extcon-tcss-cros-ec.c:273:4: sparse: sparse: symbol 'cros_ec_tcss_get_next_state_req' was not declared. Should it be static?

by kbuild test robot

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: d15a9eadc537a0796ee46b6c2831acb4f69be98c commit: 562267b91e8a1ed80e5b312a214afd401b14dcc0 [60/62] CHROMIUM: extcon: Perform initial Type-C port and cable detection reproduce: # apt-get install sparse # sparse version: v0.6.1-173-ge0787745-dirty git checkout 562267b91e8a1ed80e5b312a214afd401b14dcc0 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> sparse warnings: (new ones prefixed by >>) >> drivers/extcon/extcon-tcss-cros-ec.c:273:4: sparse: sparse: symbol 'cros_ec_tcss_get_next_state_req' was not declared. Should it be static? >> drivers/extcon/extcon-tcss-cros-ec.c:426:5: sparse: sparse: symbol 'cros_ec_tcss_detect_cable' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[linux-review:UPDATE-20200221-182711/Peter-Zijlstra/tracing-vs-world/20200221-114341 1/22] arch/powerpc/kernel/traps.c:846:7: error: 'nested' undeclared; did you mean 'net'?

by kbuild test robot

tree: https://github.com/0day-ci/linux/commits/UPDATE-20200221-182711/Peter-Zij... head: f4dfc8a95f29bf28eda9253734e8f6ffdc0c3d97 commit: 6d6e966e8cdfa647eb598e266414c176f6749010 [1/22] hardirq/nmi: Allow nested nmi_enter() config: powerpc-mpc8313_rdb_defconfig (attached as .config) compiler: powerpc-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 6d6e966e8cdfa647eb598e266414c176f6749010 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): arch/powerpc/kernel/traps.c: In function 'machine_check_exception': >> arch/powerpc/kernel/traps.c:846:7: error: 'nested' undeclared (first use in this function); did you mean 'net'? if (!nested) ^~~~~~ net arch/powerpc/kernel/traps.c:846:7: note: each undeclared identifier is reported only once for each function it appears in vim +846 arch/powerpc/kernel/traps.c 75918a4b5998c9 Olof Johansson 2007-09-21 815 75918a4b5998c9 Olof Johansson 2007-09-21 816 void machine_check_exception(struct pt_regs *regs) 75918a4b5998c9 Olof Johansson 2007-09-21 817 { 75918a4b5998c9 Olof Johansson 2007-09-21 818 int recover = 0; 6d6e966e8cdfa6 Peter Zijlstra 2020-02-19 819 b96672dd840f22 Nicholas Piggin 2017-07-19 820 nmi_enter(); 75918a4b5998c9 Olof Johansson 2007-09-21 821 69111bac42f5ce Christoph Lameter 2014-10-21 822 __this_cpu_inc(irq_stat.mce_exceptions); 89713ed1081540 Anton Blanchard 2010-01-31 823 d93b0ac01a9ce2 Mahesh Salgaonkar 2017-04-18 824 add_taint(TAINT_MACHINE_CHECK, LOCKDEP_NOW_UNRELIABLE); d93b0ac01a9ce2 Mahesh Salgaonkar 2017-04-18 825 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 826 /* See if any machine dependent calls. In theory, we would want 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 827 * to call the CPU first, and call the ppc_md. one if the CPU 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 828 * one returns a positive number. However there is existing code 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 829 * that assumes the board gets a first chance, so let's keep it 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 830 * that way for now and fix things later. --BenH. 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 831 */ 75918a4b5998c9 Olof Johansson 2007-09-21 832 if (ppc_md.machine_check_exception) 75918a4b5998c9 Olof Johansson 2007-09-21 833 recover = ppc_md.machine_check_exception(regs); 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 834 else if (cur_cpu_spec->machine_check) 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 835 recover = cur_cpu_spec->machine_check(regs); 75918a4b5998c9 Olof Johansson 2007-09-21 836 47c0bd1ae24c34 Benjamin Herrenschmidt 2007-12-21 837 if (recover > 0) ba12eedee321ee Li Zhong 2013-05-13 838 goto bail; 75918a4b5998c9 Olof Johansson 2007-09-21 839 a443506b8598bb Anton Blanchard 2011-01-11 840 if (debugger_fault_handler(regs)) ba12eedee321ee Li Zhong 2013-05-13 841 goto bail; 75918a4b5998c9 Olof Johansson 2007-09-21 842 75918a4b5998c9 Olof Johansson 2007-09-21 843 if (check_io_access(regs)) ba12eedee321ee Li Zhong 2013-05-13 844 goto bail; 75918a4b5998c9 Olof Johansson 2007-09-21 845 daf00ae71dad8a Christophe Leroy 2018-10-13 @846 if (!nested) daf00ae71dad8a Christophe Leroy 2018-10-13 847 nmi_exit(); daf00ae71dad8a Christophe Leroy 2018-10-13 848 daf00ae71dad8a Christophe Leroy 2018-10-13 849 die("Machine check", regs, SIGBUS); daf00ae71dad8a Christophe Leroy 2018-10-13 850 0bbea75c476b77 Christophe Leroy 2019-01-22 851 /* Must die if the interrupt is not recoverable */ 0bbea75c476b77 Christophe Leroy 2019-01-22 852 if (!(regs->msr & MSR_RI)) 0bbea75c476b77 Christophe Leroy 2019-01-22 853 nmi_panic(regs, "Unrecoverable Machine check"); 0bbea75c476b77 Christophe Leroy 2019-01-22 854 daf00ae71dad8a Christophe Leroy 2018-10-13 855 return; daf00ae71dad8a Christophe Leroy 2018-10-13 856 ba12eedee321ee Li Zhong 2013-05-13 857 bail: b96672dd840f22 Nicholas Piggin 2017-07-19 858 nmi_exit(); 14cf11af6cf608 Paul Mackerras 2005-09-26 859 } 14cf11af6cf608 Paul Mackerras 2005-09-26 860 :::::: The code at line 846 was first introduced by commit :::::: daf00ae71dad8aa05965713c62558aeebf2df48e powerpc/traps: restore recoverability of machine_check interrupts :::::: TO: Christophe Leroy <christophe.leroy(a)c-s.fr> :::::: CC: Michael Ellerman <mpe(a)ellerman.id.au> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[djwong-xfs:online-fsuuid-ops 171/173] ./usr/include/linux/fs.h:143:2: error: unknown type name 'uint32_t'

by kbuild test robot

tree: https://git.kernel.org/pub/scm/linux/kernel/git/djwong/xfs-linux.git online-fsuuid-ops head: 8ba53cec9e21583583121dbf00e661051371c35f commit: 4bf40510d99839ff689cf55e160013b80622801f [171/173] vfs: create ioctls to query and set the filesystem uuids config: x86_64-randconfig-s2-20200229 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 reproduce: git checkout 4bf40510d99839ff689cf55e160013b80622801f # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): In file included from ./usr/include/linux/romfs_fs.h:6:0, from <command-line>:1: >> ./usr/include/linux/fs.h:143:2: error: unknown type name 'uint32_t' uint32_t fu_flags; ^ >> ./usr/include/linux/fs.h:144:2: error: unknown type name 'uint16_t' uint16_t fu_length; ^ ./usr/include/linux/fs.h:145:2: error: unknown type name 'uint16_t' uint16_t fu_reserved; ^ >> ./usr/include/linux/fs.h:146:2: error: unknown type name 'uint64_t' uint64_t fu_reserved1; ^ >> ./usr/include/linux/fs.h:157:19: error: unknown type name 'size_t' static __inline__ size_t ioc_fsuuid_sizeof(size_t payload_len) ^ ./usr/include/linux/fs.h:157:44: error: unknown type name 'size_t' static __inline__ size_t ioc_fsuuid_sizeof(size_t payload_len) ^ --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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Re: [PATCH v3 02/27] ata: expose ncq_enable_prio sysfs attribute only on NCQ capable hosts

by kbuild test robot

Hi Bartlomiej, I love your patch! Perhaps something to improve: [auto build test WARNING on block/for-next] [also build test WARNING on mkp-scsi/for-next scsi/for-next v5.6-rc3 next-20200228] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Bartlomiej-Zolnierkiewicz/ata-op... base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next reproduce: # apt-get install sparse # sparse version: v0.6.1-173-ge0787745-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> sparse warnings: (new ones prefixed by >>) drivers/ata/sata_dwc_460ex.c:1152:9: sparse: sparse: Initializer entry defined twice >> drivers/ata/sata_dwc_460ex.c:1152:9: sparse: also defined here vim +1152 drivers/ata/sata_dwc_460ex.c a7e6de544c5c23 Christian Lamparter 2016-04-26 1147 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1148 /* 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1149 * scsi mid-layer and libata interface structures 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1150 */ 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1151 static struct scsi_host_template sata_dwc_sht = { 62936009f35a66 Rupjyoti Sarmah 2010-07-06 @1152 ATA_NCQ_SHT(DRV_NAME), 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1153 /* 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1154 * test-only: Currently this driver doesn't handle NCQ 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1155 * correctly. We enable NCQ but set the queue depth to a 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1156 * max of 1. This will get fixed in in a future release. 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1157 */ 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1158 .sg_tablesize = LIBATA_MAX_PRD, d7c256e857c125 Andy Shevchenko 2015-01-07 1159 /* .can_queue = ATA_MAX_QUEUE, */ 6689dfac00ef31 Andy Shevchenko 2016-04-26 1160 /* 6689dfac00ef31 Andy Shevchenko 2016-04-26 1161 * Make sure a LLI block is not created that will span 8K max FIS 6689dfac00ef31 Andy Shevchenko 2016-04-26 1162 * boundary. If the block spans such a FIS boundary, there is a chance 6689dfac00ef31 Andy Shevchenko 2016-04-26 1163 * that a DMA burst will cross that boundary -- this results in an 6689dfac00ef31 Andy Shevchenko 2016-04-26 1164 * error in the host controller. 6689dfac00ef31 Andy Shevchenko 2016-04-26 1165 */ 6689dfac00ef31 Andy Shevchenko 2016-04-26 1166 .dma_boundary = 0x1fff /* ATA_DMA_BOUNDARY */, 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1167 }; 62936009f35a66 Rupjyoti Sarmah 2010-07-06 1168 :::::: The code at line 1152 was first introduced by commit :::::: 62936009f35a6659cc3ebe0d90c754182d60da73 [libata] Add 460EX on-chip SATA driver, sata_dwc_460ex :::::: TO: Rupjyoti Sarmah <rsarmah(a)amcc.com> :::::: CC: Jeff Garzik <jgarzik(a)redhat.com> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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[meghadey-crypto:interrupt_message_store 4/6] include/linux/compiler.h:350:38: error: call to '__compiletime_assert_181' declared with attribute error: BUILD_BUG_ON failed: sizeof(*(&irte->high)) != sizeof(long)

by kbuild test robot

tree: https://github.com/meghadey/crypto interrupt_message_store head: a93bce4a2486057c5520fe22717008aa251010c4 commit: 3c850d0bd6e64bdcc766786bbf7dee9cc844965c [4/6] drivers/base: Add support for a new IMS irq domain config: i386-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: git checkout 3c850d0bd6e64bdcc766786bbf7dee9cc844965c # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> All errors (new ones prefixed by >>): drivers//iommu/intel_irq_remapping.c: In function 'intel_ir_set_vcpu_affinity': drivers//iommu/intel_irq_remapping.c:1243:12: warning: left shift count >= width of type [-Wshift-count-overflow] ~(-1UL << PDA_HIGH_BIT); ^~ In file included from include/linux/export.h:43:0, from include/linux/linkage.h:7, from include/linux/kernel.h:8, from include/linux/interrupt.h:6, from drivers//iommu/intel_irq_remapping.c:5: drivers//iommu/intel_irq_remapping.c: In function 'modify_irte': >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_181' declared with attribute error: BUILD_BUG_ON failed: sizeof(*(&irte->high)) != sizeof(long) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:241:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \ ^~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:256:2: note: in expansion of macro '__cmpxchg_double' __cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2) ^~~~~~~~~~~~~~~~ include/asm-generic/atomic-instrumented.h:1776:2: note: in expansion of macro 'arch_cmpxchg_double' arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ ^~~~~~~~~~~~~~~~~~~ drivers//iommu/intel_irq_remapping.c:179:9: note: in expansion of macro 'cmpxchg_double' ret = cmpxchg_double(&irte->low, &irte->high, ^~~~~~~~~~~~~~ >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_181' declared with attribute error: BUILD_BUG_ON failed: sizeof(*(&irte->high)) != sizeof(long) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:242:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \ ^~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:256:2: note: in expansion of macro '__cmpxchg_double' __cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2) ^~~~~~~~~~~~~~~~ include/asm-generic/atomic-instrumented.h:1776:2: note: in expansion of macro 'arch_cmpxchg_double' arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ ^~~~~~~~~~~~~~~~~~~ drivers//iommu/intel_irq_remapping.c:179:9: note: in expansion of macro 'cmpxchg_double' ret = cmpxchg_double(&irte->low, &irte->high, ^~~~~~~~~~~~~~ -- drivers/iommu/intel_irq_remapping.c: In function 'intel_ir_set_vcpu_affinity': drivers/iommu/intel_irq_remapping.c:1243:12: warning: left shift count >= width of type [-Wshift-count-overflow] ~(-1UL << PDA_HIGH_BIT); ^~ In file included from include/linux/export.h:43:0, from include/linux/linkage.h:7, from include/linux/kernel.h:8, from include/linux/interrupt.h:6, from drivers/iommu/intel_irq_remapping.c:5: drivers/iommu/intel_irq_remapping.c: In function 'modify_irte': >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_181' declared with attribute error: BUILD_BUG_ON failed: sizeof(*(&irte->high)) != sizeof(long) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:241:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(sizeof(*(p1)) != sizeof(long)); \ ^~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:256:2: note: in expansion of macro '__cmpxchg_double' __cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2) ^~~~~~~~~~~~~~~~ include/asm-generic/atomic-instrumented.h:1776:2: note: in expansion of macro 'arch_cmpxchg_double' arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ ^~~~~~~~~~~~~~~~~~~ drivers/iommu/intel_irq_remapping.c:179:9: note: in expansion of macro 'cmpxchg_double' ret = cmpxchg_double(&irte->low, &irte->high, ^~~~~~~~~~~~~~ >> include/linux/compiler.h:350:38: error: call to '__compiletime_assert_181' declared with attribute error: BUILD_BUG_ON failed: sizeof(*(&irte->high)) != sizeof(long) _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:331:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:242:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(sizeof(*(p2)) != sizeof(long)); \ ^~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:256:2: note: in expansion of macro '__cmpxchg_double' __cmpxchg_double(LOCK_PREFIX, p1, p2, o1, o2, n1, n2) ^~~~~~~~~~~~~~~~ include/asm-generic/atomic-instrumented.h:1776:2: note: in expansion of macro 'arch_cmpxchg_double' arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ ^~~~~~~~~~~~~~~~~~~ drivers/iommu/intel_irq_remapping.c:179:9: note: in expansion of macro 'cmpxchg_double' ret = cmpxchg_double(&irte->low, &irte->high, ^~~~~~~~~~~~~~ vim +/__compiletime_assert_181 +350 include/linux/compiler.h 9a8ab1c39970a4 Daniel Santos 2013-02-21 336 9a8ab1c39970a4 Daniel Santos 2013-02-21 337 #define _compiletime_assert(condition, msg, prefix, suffix) \ 9a8ab1c39970a4 Daniel Santos 2013-02-21 338 __compiletime_assert(condition, msg, prefix, suffix) 9a8ab1c39970a4 Daniel Santos 2013-02-21 339 9a8ab1c39970a4 Daniel Santos 2013-02-21 340 /** 9a8ab1c39970a4 Daniel Santos 2013-02-21 341 * compiletime_assert - break build and emit msg if condition is false 9a8ab1c39970a4 Daniel Santos 2013-02-21 342 * @condition: a compile-time constant condition to check 9a8ab1c39970a4 Daniel Santos 2013-02-21 343 * @msg: a message to emit if condition is false 9a8ab1c39970a4 Daniel Santos 2013-02-21 344 * 9a8ab1c39970a4 Daniel Santos 2013-02-21 345 * In tradition of POSIX assert, this macro will break the build if the 9a8ab1c39970a4 Daniel Santos 2013-02-21 346 * supplied condition is *false*, emitting the supplied error message if the 9a8ab1c39970a4 Daniel Santos 2013-02-21 347 * compiler has support to do so. 9a8ab1c39970a4 Daniel Santos 2013-02-21 348 */ 9a8ab1c39970a4 Daniel Santos 2013-02-21 349 #define compiletime_assert(condition, msg) \ 9a8ab1c39970a4 Daniel Santos 2013-02-21 @350 _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) 9a8ab1c39970a4 Daniel Santos 2013-02-21 351 :::::: The code at line 350 was first introduced by commit :::::: 9a8ab1c39970a4938a72d94e6fd13be88a797590 bug.h, compiler.h: introduce compiletime_assert & BUILD_BUG_ON_MSG :::::: TO: Daniel Santos <daniel.santos(a)pobox.com> :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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