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Message-ID: <20141115090151.GA15470@thin> Date: Sat, 15 Nov 2014 01:01:52 -0800 From: Josh Triplett <josh@...htriplett.org> To: Andrew Morton <akpm@...ux-foundation.org>, "Eric W. Biederman" <ebiederm@...ssion.com>, Kees Cook <keescook@...omium.org>, mtk.manpages@...il.com, linux-api@...r.kernel.org, linux-man@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH manpages] getgroups.2: Document unprivileged setgroups calls Signed-off-by: Josh Triplett <josh@...htriplett.org> --- This should probably also include appropriate documentation for what kernel introduces this behavior. man2/getgroups.2 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/man2/getgroups.2 b/man2/getgroups.2 index 373c204..edca37c 100644 --- a/man2/getgroups.2 +++ b/man2/getgroups.2 @@ -81,9 +81,10 @@ to be used in a further call to .PP .BR setgroups () sets the supplementary group IDs for the calling process. -Appropriate privileges (Linux: the +Any process may drop groups from its list, but adding groups requires +appropriate privileges (Linux: 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-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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