From: Christoph Hellwig <hch@lst.de>
Date: Mon, 14 Nov 2005 00:06:33 +0000 (-0800)
Subject: [PATCH] fix task_struct leak in ptrace
X-Git-Tag: v2.6.15-rc2~201
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=005f18dfd0ed86c39716277b61dfb4bd2af91059;p=linux-2.6

[PATCH] fix task_struct leak in ptrace

When ptrace_attach fails we need to drop the task_struct reference.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index b88d4186cd..17ee7e5a34 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -470,7 +470,7 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 
 	if (request == PTRACE_ATTACH) {
 		ret = ptrace_attach(child);
-		goto out;
+		goto out_put_task_struct;
 	}
 
 	ret = ptrace_check_attach(child, request == PTRACE_KILL);