From: Karel Zak <kzak@redhat.com>
Date: Mon, 21 Jun 2021 13:33:36 +0000 (+0200)
Subject: lslocks: check errno after strto..()
X-Git-Tag: v2.37.1~50
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=c357816caa5a8dd7876020394635f5dcba859e4f;p=thirdparty%2Futil-linux.git

lslocks: check errno after strto..()

Addresses: https://github.com/karelzak/util-linux/issues/1356
Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/misc-utils/lslocks.c b/misc-utils/lslocks.c
index 18922e5468..941ef7f06d 100644
--- a/misc-utils/lslocks.c
+++ b/misc-utils/lslocks.c
@@ -192,8 +192,10 @@ static char *get_filename_sz(ino_t inode, pid_t lock_pid, size_t *size)
 		    !strcmp(dp->d_name, ".."))
 			continue;
 
+		errno = 0;
+
 		/* care only for numerical descriptors */
-		if (!strtol(dp->d_name, (char **) NULL, 10))
+		if (!strtol(dp->d_name, (char **) NULL, 10) || errno)
 			continue;
 
 		if (!fstatat(fd, dp->d_name, &sb, 0)