[PATCH 1/1] file capabilities: simplify signal check

[Serge E . Hallyn]

Simplify the uid equivalence check in cap_task_kill().  Anyone
can kill a process owned by the same uid.

Signed-off-by: Serge E. Hallyn <serue@xxxxxxxxxx>
---
 security/commoncap.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/security/commoncap.c b/security/commoncap.c
index 5aba826..bb0c095 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -552,7 +552,7 @@ int cap_task_kill(struct task_struct *p, struct siginfo *info,
 	 * allowed.
 	 * We must preserve legacy signal behavior in this case.
 	 */
-	if (p->euid == 0 && p->uid == current->uid)
+	if (p->uid == current->uid)
 		return 0;
 
 	/* sigcont is permitted within same session */
-- 
1.5.1.1.GIT

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