linux-kernel - [PATCH v2 4/4] coredump: escape / in hostname and comm fix

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Message-Id: <1305234258-28184-1-git-send-email-jslaby@suse.cz>
Date:	Thu, 12 May 2011 23:04:18 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	akpm@...ux-foundation.org
Cc:	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, jirislaby@...il.com,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Al Viro <viro@...iv.linux.org.uk>,
	Andi Kleen <andi@...stfloor.org>
Subject: [PATCH v2 4/4] coredump: escape / in hostname and comm fix

Escape comm also in failing %E case.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: Al Viro <viro@...iv.linux.org.uk>
Cc: Andi Kleen <andi@...stfloor.org>
---
 fs/exec.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index dafded4..13b4fce 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1563,8 +1563,8 @@ static int cn_print_exe_file(struct core_name *cn)
 	exe_file = get_mm_exe_file(current->mm);
 	if (!exe_file) {
 		char comm[TASK_COMM_LEN];
-		return cn_printf(cn, "%s (path unknown)", get_task_comm(comm,
-					current));
+		cn_escape(get_task_comm(comm, current));
+		return cn_printf(cn, "%s (path unknown)", comm);
 	}
 
 	pathbuf = kmalloc(PATH_MAX, GFP_TEMPORARY);
-- 
1.7.4.2

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