From: Maxim Petrov <mmrmaximuzz@gmail.com>
Date: Tue, 15 Feb 2022 20:53:47 +0000 (+0300)
Subject: lnstat: fix strdup leak in -w argument parsing
X-Git-Tag: v5.17.0~14
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cc143bda6bcec20d073f42162f06dde8998551d4;p=thirdparty%2Fiproute2.git

lnstat: fix strdup leak in -w argument parsing

'tmp' string is used for safe tokenizing, but it is not required after
getting all the widths in -w option. As 'tmp' string is obtained by strdup
call, the caller has to deallocate it to avoid memory leak.

Signed-off-by: Maxim Petrov <mmrmaximuzz@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---

diff --git a/misc/lnstat.c b/misc/lnstat.c
index 98904d45e..c3293a8eb 100644
--- a/misc/lnstat.c
+++ b/misc/lnstat.c
@@ -331,6 +331,7 @@ int main(int argc, char **argv)
 				for (i = 0; i < MAX_FIELDS; i++)
 					fp.params[i].print.width = len;
 			}
+			free(tmp);
 			break;
 		default:
 			usage(argv[0], 1);