From: Sami Kerola <kerolasa@iki.fi>
Date: Sun, 13 Jan 2019 19:59:40 +0000 (+0000)
Subject: readprofile: check input file is not empty [asan]
X-Git-Tag: v2.34-rc1~160^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cae9283ab18956951d9e037f18be09edccae4751;p=thirdparty%2Futil-linux.git

readprofile: check input file is not empty [asan]

Addresses: https://github.com/karelzak/util-linux/issues/717
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---

diff --git a/sys-utils/readprofile.c b/sys-utils/readprofile.c
index 035073847a..75a623bc98 100644
--- a/sys-utils/readprofile.c
+++ b/sys-utils/readprofile.c
@@ -246,6 +246,8 @@ int main(int argc, char **argv)
 	    || ((int)(len = lseek(proFd, 0, SEEK_END)) < 0)
 	    || (lseek(proFd, 0, SEEK_SET) < 0))
 		err(EXIT_FAILURE, "%s", proFile);
+	if (!len)
+		errx(EXIT_FAILURE, "%s: %s", proFile, _("input file is empty"));
 
 	buf = xmalloc(len);