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| author | Karel Zak <kzak@redhat.com> | 2016-11-03 10:53:09 +0100 |
|---|---|---|
| committer | Karel Zak <kzak@redhat.com> | 2016-11-03 10:53:09 +0100 |
| commit | b5d61108e4e309843d8bdeb84d29d803971bf676 (patch) | |
| tree | cb993ef22bf5fe945b880a98d2dd0fd203b67644 | |
| parent | ae02bd0bd740aa65fcc94c25100097fb6694769b (diff) | |
| download | util-linux-b5d61108e4e309843d8bdeb84d29d803971bf676.tar.gz | |
lscpu: disable is_vmware_platform() for non-root users
References: http://www.spinics.net/lists/util-linux-ng/msg13302.html
Signed-off-by: Karel Zak <kzak@redhat.com>
| -rw-r--r-- | sys-utils/lscpu.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c index 52a944d3a9..bd702b0ae1 100644 --- a/sys-utils/lscpu.c +++ b/sys-utils/lscpu.c @@ -862,6 +862,15 @@ is_vmware_platform(void) struct sigaction act, oact; /* + * FIXME: Not reliable for non-root users. Note it works as expected if + * vmware_bdoor() is not optimized for PIE, but then it fails to build + * on 32bit x86 systems. See lscpu git log for more details (commit + * 7845b91dbc7690064a2be6df690e4aaba728fb04). kzak [3-Nov-2016] + */ + if (getuid() != 0) + return 0; + + /* * The assembly routine for vmware detection works * fine under vmware, even if ran as regular user. But * on real HW or under other hypervisors, it segfaults (which is |