From 9d670a2ab4b5b6d5a19aa4d392353f64b7218a5b Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Fri, 15 Jun 2012 12:26:05 +0200 Subject: libmount: make some string operations more robust Signed-off-by: Karel Zak --- libmount/src/lock.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'libmount/src/lock.c') diff --git a/libmount/src/lock.c b/libmount/src/lock.c index 73dc6c8f7..80ccdeea2 100644 --- a/libmount/src/lock.c +++ b/libmount/src/lock.c @@ -138,6 +138,10 @@ int mnt_lock_use_simplelock(struct libmnt_lock *ml, int enable) ml->simplelock = enable ? 1 : 0; sz = strlen(ml->lockfile); + assert(sz); + + if (sz < 1) + return -EINVAL; /* Change lock name: * -- cgit v1.2.3-55-g7522