From: Li Wang <liwang@redhat.com>
To: Martin Schwidefsky <schwidefsky@de.ibm.com>,
Guenter Roeck <linux@roeck-us.net>,
Janosch Frank <frankja@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>, liwang <liwang@redhat.com>
Subject: s390: runtime warning about pgtables_bytes
Date: Thu, 11 Oct 2018 18:04:12 +0800 [thread overview]
Message-ID: <CAEemH2eExK_jwOPZDFBZkwABucpZqh+=s+qpN-tFfMzxwo7cZA@mail.gmail.com> (raw)
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Hi,
When running s390 system with LTP/cve-2017-17052.c[1], the following BUG is
came out repeatedly.
I remember this warning start from kernel-4.16.0 and now it still exist in
kernel-4.19-rc7.
Can anyone take a look?
[ 2678.991496] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.001543] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.002453] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.003256] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.013689] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.024647] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.064408] BUG: non-zero pgtables_bytes on freeing mm: 16384
[ 2679.133963] BUG: non-zero pgtables_bytes on freeing mm: 16384
[1]:
https://github.com/linux-test-project/ltp/blob/master/testcases/cve/cve-2017-17052.c
--
Regards,
Li Wang
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next reply other threads:[~2018-10-11 10:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-11 10:04 Li Wang [this message]
2018-10-11 13:02 ` Martin Schwidefsky
2018-10-12 15:08 ` Martin Schwidefsky
2018-10-31 19:57 ` Joe Lawrence
2018-11-02 6:49 ` Martin Schwidefsky
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