From dfc6dc25fcc666ed3fa938bca5ccd87d6cf4a99e Mon Sep 17 00:00:00 2001
From: Andrea Claudi <aclaudi@redhat.com>
Date: Mon, 29 Apr 2019 20:08:08 +0200
Subject: [PATCH] lib/fs: Fix format string in find_fs_mount()
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1465646
Upstream Status: iproute2.git commit eab450789829e
commit eab450789829e33a64dbd08dced3438d580d5179
Author: Phil Sutter <phil@nwl.cc>
Date: Thu Aug 24 11:51:46 2017 +0200
lib/fs: Fix format string in find_fs_mount()
A field width of 4096 allows fscanf() to store that amount of characters
into the given buffer, though that doesn't include the terminating NULL
byte. Decrease the value by one to leave space for it.
Signed-off-by: Phil Sutter <phil@nwl.cc>
---
lib/fs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/fs.c b/lib/fs.c
index c59ac564581d0..1ff881ecfcd8c 100644
--- a/lib/fs.c
+++ b/lib/fs.c
@@ -45,7 +45,7 @@ static char *find_fs_mount(const char *fs_to_find)
return NULL;
}
- while (fscanf(fp, "%*s %4096s %127s %*s %*d %*d\n",
+ while (fscanf(fp, "%*s %4095s %127s %*s %*d %*d\n",
path, fstype) == 2) {
if (strcmp(fstype, fs_to_find) == 0) {
mnt = strdup(path);
--
2.20.1