From e230ae7b68814a2ea560e5138188a58128e34417 Mon Sep 17 00:00:00 2001
From: Ruediger Meier
Date: Tue, 27 Jun 2017 20:32:52 +0200
Subject: lib/path: fix crash, pathbuf overflow

Before:

$ lscpu -s "$(tr '\0' 'x' < /dev/zero | head -c 10000)"
Segmentation fault (core dumped)

After:

$ lscpu -s "$(tr '\0' 'x' < /dev/zero | head -c 10000)"
lscpu: invalid argument to --sysroot: File name too long

Signed-off-by: Ruediger Meier <ruediger.meier@ga-group.nl>
---
 sys-utils/lsmem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'sys-utils/lsmem.c')

diff --git a/sys-utils/lsmem.c b/sys-utils/lsmem.c
index 04e7d20be..e1ee5a5ce 100644
--- a/sys-utils/lsmem.c
+++ b/sys-utils/lsmem.c
@@ -470,7 +470,8 @@ int main(int argc, char **argv)
 			lsmem->want_summary = 0;
 			break;
 		case 's':
-			path_set_prefix(optarg);
+			if(path_set_prefix(optarg))
+				err(EXIT_FAILURE, _("invalid argument to %s"), "--sysroot");
 			break;
 		case 'V':
 			printf(UTIL_LINUX_VERSION);
-- 
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