From 094972840f2e7c1c6fc9e1a97d817cc17085378e Mon Sep 17 00:00:00 2001
From: "Serge E. Hallyn" <serue@us.ibm.com>
Date: Sat, 23 Feb 2008 15:23:33 -0800
Subject: file capabilities: simplify signal check

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

Without this patch wireshark is reported to fail.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Signed-off-by: Andrew G. Morgan <morgan@kernel.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 security/commoncap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'security/commoncap.c')

diff --git a/security/commoncap.c b/security/commoncap.c
index 5aba82679a0b..bb0c095f5761 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 */
-- 
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