On Wed, Jul 17, 2013 at 11:28:42AM +0200, Michal Privoznik wrote:
Commit 75c1256 states that virGetGroupList must not be called between fork and exec, then commit ee777e99 promptly violated that for lxc.
Patch originally posted by Eric Blake <eblake@redhat.com>. --- src/lxc/lxc_container.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c index b51d7a2..37d2ba6 100644 --- a/src/lxc/lxc_container.c +++ b/src/lxc/lxc_container.c @@ -351,24 +351,18 @@ int lxcContainerWaitForContinue(int control) */ static int lxcContainerSetID(virDomainDefPtr def) { - gid_t *groups; - int ngroups; - /* Only call virSetUIDGID when user namespace is enabled * for this container. And user namespace is only enabled * when nuidmap&ngidmap is not zero */
VIR_DEBUG("Set UID/GID to 0/0"); if (def->idmap.nuidmap && - ((ngroups = virGetGroupList(0, 0, &groups) < 0) || - virSetUIDGID(0, 0, groups, ngroups) < 0)) { + virSetUIDGID(0, 0, groups, ngroups) < 0) {
How does this compile ? You're removing the 'groups' and 'ngroups' variables but still referencing them here. Don't you mean to use NULL, 0 as the args for virSetUIDGID } Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|