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Handle sudo_get_grlist() returning NULL which can happen if

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getgrouplist() fails even after allocating the appropriate amount
of memory.  From Stephane Chazelas
This commit is contained in:
Todd C. Miller 2015-02-05 11:17:24 -07:00
parent 6d71b488b6
commit b727d4309c
1 changed files with 5 additions and 3 deletions
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8
plugins/sudoers/set_perms.c
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@ -1589,9 +1589,11 @@ runas_setgroups(void)
#ifdef HAVE_SETAUTHDB
aix_restoreauthdb();
#endif
if (sudo_setgroups(grlist->ngids, grlist->gids) < 0) {
sudo_grlist_delref(grlist);
grlist = NULL;
if (grlist != NULL) {
if (sudo_setgroups(grlist->ngids, grlist->gids) < 0) {
sudo_grlist_delref(grlist);
grlist = NULL;
}
}
debug_return_ptr(grlist);
}