diff options
Diffstat (limited to 'misc-modules/faulty.c')
| -rw-r--r-- | misc-modules/faulty.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/misc-modules/faulty.c b/misc-modules/faulty.c index 95038b7..c6c44b4 100644 --- a/misc-modules/faulty.c +++ b/misc-modules/faulty.c @@ -31,11 +31,13 @@ int faulty_major = 0; ssize_t faulty_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { + int i; int ret; char stack_buf[4]; /* Let's try a buffer overflow */ - memset(stack_buf, 0xff, 20); + for (i = 0; i < 20; i++) + *(stack_buf + i) = 0xff; if (count > 4) count = 4; /* copy 4 bytes to the user */ ret = copy_to_user(buf, stack_buf, count); |