From: Brad Forschinger <bnjf@bnjf.id.au>
Date: Tue, 5 May 2015 01:51:24 +0000 (+1000)
Subject: flock: NULL deref
X-Git-Tag: v2.27-rc1~214
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b5575bc08cc778e522c793b0b909c6333a4bc503;p=thirdparty%2Futil-linux.git

flock: NULL deref

cmd_argv[2] will be initialised only if it's specificed with -c.  NULL
deref otherwise resulting in crash.

Signed-off-by: Brad Forschinger <bnjf@bnjf.id.au>
---

diff --git a/sys-utils/flock.c b/sys-utils/flock.c
index 84f1ec4864..fda7bdc488 100644
--- a/sys-utils/flock.c
+++ b/sys-utils/flock.c
@@ -319,7 +319,7 @@ int main(int argc, char *argv[])
 		/* Clear any inherited settings */
 		signal(SIGCHLD, SIG_DFL);
 		if (verbose)
-			printf(_("%s: executing %s\n"), program_invocation_short_name, cmd_argv[2]);
+			printf(_("%s: executing %s\n"), program_invocation_short_name, cmd_argv[0]);
 		f = fork();
 
 		if (f < 0) {