From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Sat, 1 Jul 2017 19:09:27 +0000 (+0200)
Subject: ash: fix 'trap - 65'
X-Git-Tag: 1_27_0~4
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=e9aba3e7ea4936278188555332654796e5b5e873;p=oweals%2Fbusybox.git

ash: fix 'trap - 65'

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/shell/ash.c b/shell/ash.c
index 9681111cc..22c726043 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12967,7 +12967,7 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 	exitcode = 0;
 	while (*ap) {
 		signo = get_signum(*ap);
-		if (signo < 0) {
+		if (signo < 0 || signo >= NSIG) {
 			/* Mimic bash message exactly */
 			ash_msg("%s: invalid signal specification", *ap);
 			exitcode = 1;