lsfd: make the way to read /proc/$pid/mountinfo robust

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
(cherry picked from commit 80b3c8ccdb35f862c02934ddeeadedcc60e310e8)

diff --git a/misc-utils/lsfd.c b/misc-utils/lsfd.c
index 8d3481efb46095bdb016047a52d4a60c1e4289ba..cdbc48476ebedb54aec82db100dea083206eeebb 100644 (file)
--- a/misc-utils/lsfd.c
+++ b/misc-utils/lsfd.c
@@ -1104,10 +1104,10 @@ static void add_nodevs(FILE *mnt)
                char filesystem[256];
 
                /* 23 61 0:22 / /sys rw,nosuid,nodev,noexec,relatime shared:2 - sysfs sysfs rw,seclabel */
-               if(sscanf(line, "%*d %*d %lu:%lu %*s %*s %*s %*[^-] - %s %*[^\n]",
+               if(sscanf(line, "%*d %*d %lu:%lu %*s %*s %*s %*[^-] - %255s %*[^\n]",
                          &major, &minor, filesystem) != 3)
                        /* 1600 1458 0:55 / / rw,nodev,relatime - overlay overlay rw,context="s... */
-                       if (sscanf(line, "%*d %*d %lu:%lu %*s %*s %*s - %s %*[^\n]",
+                       if (sscanf(line, "%*d %*d %lu:%lu %*s %*s %*s - %255s %*[^\n]",
                                   &major, &minor, filesystem) != 3)
                                continue;