Signed-off-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx> --- v2: Document requirement for no_new_privs. (If this doesn't end up going into 3.18, the version number in the patch will need updating.) man2/getgroups.2 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/man2/getgroups.2 b/man2/getgroups.2 index 373c204..3f3d330 100644 --- a/man2/getgroups.2 +++ b/man2/getgroups.2 @@ -81,9 +81,11 @@ to be used in a further call to .PP .BR setgroups () sets the supplementary group IDs for the calling process. -Appropriate privileges (Linux: the +As of Linux 3.18, any process that has enabled PR_SET_NO_NEW_PRIVS may drop +supplementary groups, but may not add new groups. Adding groups, or making any +change at all without no_new_privs enabled, requires the .B CAP_SETGID -capability) are required. +capability. The .I size argument specifies the number of supplementary group IDs -- 2.1.3 -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
