linux-kernel - [PATCH 3.16 097/410] signal/sh: Ensure si_signo is initialized in do_divide

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <lsq.1528380321.968714223@decadent.org.uk>
Date:   Thu, 07 Jun 2018 15:05:21 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Rich Felker" <dalias@...c.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "Paul Mundt" <lethal@...ux-sh.org>,
        "Yoshinori Sato" <ysato@...rs.sourceforge.jp>,
        linux-sh@...r.kernel.org
Subject: [PATCH 3.16 097/410] signal/sh: Ensure si_signo is initialized in
 do_divide_error

3.16.57-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: "Eric W. Biederman" <ebiederm@...ssion.com>

commit 0e88bb002a9b2ee8cc3cc9478ce2dc126f849696 upstream.

Set si_signo.

Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Rich Felker <dalias@...c.org>
Cc: Paul Mundt <lethal@...ux-sh.org>
Cc: linux-sh@...r.kernel.org
Fixes: 0983b31849bb ("sh: Wire up division and address error exceptions on SH-2A.")
Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/sh/kernel/traps_32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -607,7 +607,8 @@ asmlinkage void do_divide_error(unsigned
 		break;
 	}
 
-	force_sig_info(SIGFPE, &info, current);
+	info.si_signo = SIGFPE;
+	force_sig_info(info.si_signo, &info, current);
 }
 #endif