From: kbuild test robot <lkp@intel.com>
To: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Andrew Morton <akpm@linux-foundation.org>,
Peter Zijlstra <peterz@infradead.org>,
Sasha Levin <sasha.levin@oracle.com>,
Randy Dunlap <rdunlap@infradead.org>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Jonathan Corbet <corbet@lwn.net>, Michal Marek <mmarek@suse.cz>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Yury Gribov <y.gribov@samsung.com>,
Dmitry Vyukov <dvyukov@google.com>,
Konstantin Khlebnikov <koct9i@gmail.com>,
Kostya Serebryany <kcc@google.com>,
x86@kernel.org, linux-doc@vger.kernel.org,
linux-kbuild@vger.kernel.org
Subject: Re: [PATCH v3 2/2] UBSAN: run-time undefined behavior sanity checker
Date: Tue, 1 Dec 2015 01:23:29 +0800 [thread overview]
Message-ID: <201512010119.fW408Kb6%fengguang.wu@intel.com> (raw)
In-Reply-To: <1448899183-8677-3-git-send-email-aryabinin@virtuozzo.com>
[-- Attachment #1: Type: text/plain, Size: 3164 bytes --]
Hi Andrey,
[auto build test ERROR on: v4.4-rc3]
[cannot apply to: tip/x86/core kbuild/for-next next-20151127]
url: https://github.com/0day-ci/linux/commits/Andrey-Ryabinin/kernel-printk-specify-alignment-for-struct-printk_log/20151201-000229
config: i386-allyesconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
net/mac80211/debugfs.c: In function 'hwflags_read':
>> net/mac80211/debugfs.c:150:240: error: call to '__compiletime_assert_150' declared with attribute error: BUILD_BUG_ON failed: hw_flag_names[NUM_IEEE80211_HW_FLAGS] != (void *)0x1
vim +/__compiletime_assert_150 +150 net/mac80211/debugfs.c
279daf64 Ben Greear 2011-03-23 134 static ssize_t hwflags_read(struct file *file, char __user *user_buf,
279daf64 Ben Greear 2011-03-23 135 size_t count, loff_t *ppos)
279daf64 Ben Greear 2011-03-23 136 {
279daf64 Ben Greear 2011-03-23 137 struct ieee80211_local *local = file->private_data;
30686bf7 Johannes Berg 2015-06-02 138 size_t bufsz = 30 * NUM_IEEE80211_HW_FLAGS;
30686bf7 Johannes Berg 2015-06-02 139 char *buf = kzalloc(bufsz, GFP_KERNEL);
30686bf7 Johannes Berg 2015-06-02 140 char *pos = buf, *end = buf + bufsz - 1;
279daf64 Ben Greear 2011-03-23 141 ssize_t rv;
30686bf7 Johannes Berg 2015-06-02 142 int i;
279daf64 Ben Greear 2011-03-23 143
d15b8459 Joe Perches 2011-08-29 144 if (!buf)
30686bf7 Johannes Berg 2015-06-02 145 return -ENOMEM;
30686bf7 Johannes Berg 2015-06-02 146
30686bf7 Johannes Berg 2015-06-02 147 /* fail compilation if somebody adds or removes
30686bf7 Johannes Berg 2015-06-02 148 * a flag without updating the name array above
30686bf7 Johannes Berg 2015-06-02 149 */
30686bf7 Johannes Berg 2015-06-02 @150 BUILD_BUG_ON(hw_flag_names[NUM_IEEE80211_HW_FLAGS] != (void *)0x1);
30686bf7 Johannes Berg 2015-06-02 151
30686bf7 Johannes Berg 2015-06-02 152 for (i = 0; i < NUM_IEEE80211_HW_FLAGS; i++) {
30686bf7 Johannes Berg 2015-06-02 153 if (test_bit(i, local->hw.flags))
4633dfc3 Mohammed Shafi Shajakhan 2015-10-08 154 pos += scnprintf(pos, end - pos, "%s\n",
30686bf7 Johannes Berg 2015-06-02 155 hw_flag_names[i]);
30686bf7 Johannes Berg 2015-06-02 156 }
279daf64 Ben Greear 2011-03-23 157
279daf64 Ben Greear 2011-03-23 158 rv = simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
:::::: The code at line 150 was first introduced by commit
:::::: 30686bf7f5b3c30831761e188a6e3cb33580fa48 mac80211: convert HW flags to unsigned long bitmap
:::::: TO: Johannes Berg <johannes.berg@intel.com>
:::::: CC: Johannes Berg <johannes.berg@intel.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 51986 bytes --]
next prev parent reply other threads:[~2015-11-30 17:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-30 15:59 [PATCH v3 0/2] " Andrey Ryabinin
2015-11-30 15:59 ` [PATCH v3 1/2] kernel: printk: specify alignment for struct printk_log Andrey Ryabinin
2015-11-30 15:59 ` [PATCH v3 2/2] UBSAN: run-time undefined behavior sanity checker Andrey Ryabinin
2015-11-30 16:47 ` kbuild test robot
2015-11-30 17:23 ` kbuild test robot [this message]
2015-11-30 18:50 ` Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201512010119.fW408Kb6%fengguang.wu@intel.com \
--to=lkp@intel.com \
--cc=akpm@linux-foundation.org \
--cc=aryabinin@virtuozzo.com \
--cc=corbet@lwn.net \
--cc=dvyukov@google.com \
--cc=hpa@zytor.com \
--cc=kbuild-all@01.org \
--cc=kcc@google.com \
--cc=koct9i@gmail.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kbuild@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@rasmusvillemoes.dk \
--cc=mingo@redhat.com \
--cc=mmarek@suse.cz \
--cc=peterz@infradead.org \
--cc=rdunlap@infradead.org \
--cc=sasha.levin@oracle.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
--cc=y.gribov@samsung.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®