numastat crashes with buffer overflow

[nasastry]

cde:info Mirrored with LTC bug https://bugzilla.linux.ibm.com/show_bug.cgi?id=161559 </cde:info>

When given numastat it crashes with the following stack.

 Running 'numastat 105023'
 [stderr] *** buffer overflow detected ***: numastat terminated
 [stdout]
 Command 'numastat 105023' finished with -6 after 0.00220608711243s
 [stderr] ======= Backtrace: =========
 [stdout] Per-node process memory usage (in MBs) for PID 105023 (qemu-system-ppc)
 [stderr] /lib64/libc.so.6(__fortify_fail+0x54)[0x7fff9ebd7454]
 [stdout]
 [stderr] /lib64/libc.so.6(__chk_fail+0x20)[0x7fff9ebd40e0]
 [stdout]
 [stderr] /lib64/libc.so.6(__memset_chk+0x218)[0x7fff9ebd2a78]
 [stderr] numastat[0x10002748]
 [stderr] numastat[0x10002ad8]
 [stderr] numastat[0x10003064]
 [stderr] numastat[0x10004424]
 [stderr] numastat[0x100014c4]
 [stderr] /lib64/libc.so.6(+0x24980)[0x7fff9eab4980]
 [stderr] /lib64/libc.so.6(__libc_start_main+0xc4)[0x7fff9eab4b74]
 [stderr] ======= Memory map: ========
 [stderr] 10000000-10010000 r-xp 00000000 fd:00 1450184                            /usr/bin/numastat
 [stderr] 10010000-10020000 r--p 00000000 fd:00 1450184                            /usr/bin/numastat
 [stderr] 10020000-10030000 rw-p 00010000 fd:00 1450184                            /usr/bin/numastat
 [stderr] 20a60000-20a90000 rw-p 00000000 00:00 0                                  [heap]
 [stderr] 7fff9ea90000-7fff9ec60000 r-xp 00000000 fd:00 1442536                    /usr/lib64/libc-2.17.so
 [stderr] 7fff9ec60000-7fff9ec70000 r--p 001c0000 fd:00 1442536                    /usr/lib64/libc-2.17.so
 [stderr] 7fff9ec70000-7fff9ec80000 rw-p 001d0000 fd:00 1442536                    /usr/lib64/libc-2.17.so
 [stderr] 7fff9ec80000-7fff9eca0000 rw-p 00000000 00:00 0
 [stderr] 7fff9eca0000-7fff9ecc0000 r-xp 00000000 00:00 0                          [vdso]
 [stderr] 7fff9ecc0000-7fff9ecf0000 r-xp 00000000 fd:00 1462533                    /usr/lib64/ld-2.17.so
 [stderr] 7fff9ecf0000-7fff9ed00000 r--p 00020000 fd:00 1462533                    /usr/lib64/ld-2.17.so
 [stderr] 7fff9ed00000-7fff9ed10000 rw-p 00030000 fd:00 1462533                    /usr/lib64/ld-2.17.so
 [stderr] 7fffda660000-7fffda690000 rw-p 00000000 00:00 0                          [stack]

# rpm -qf which numastat
numactl-2.0.9-6.el7_2.ppc64le

# cat /etc/os-release
NAME="CentOS Linux"
VERSION="7 (AltArch)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (AltArch)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"
SIG_FAMILY="AltArch ppc64le"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

# uname -a
Linux zzfp365-lp1.aus.stglabs.ibm.com 4.13.0-4.rel.git49564cb.el7.centos.ppc64le #1 SMP Fri Sep 22 22:49:59 -03 2017 ppc64le ppc64le ppc64le GNU/Linux

Upstream patch which fixes this issue is there at
https://www.spinics.net/lists/linux-numa/msg01169.html

[cdeadmin]

------- Comment From sthoufee@in.ibm.com 2017-11-21 23:28:23 EDT-------
Yes.

Following commit would fix this issue.

numactl/numactl@b608687

[cdeadmin]

------- Comment From seg@us.ibm.com 2018-06-06 11:33:38 EDT-------
We will rebase soon. I see no particular reason to keep this open, so moving to closed state.