diff options
Diffstat (limited to 'sys/kern/kern_descrip.c')
| -rw-r--r-- | sys/kern/kern_descrip.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index b5ff144..57beaf6 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -154,6 +154,10 @@ fd_rw(unsigned int fd, void *buf, size_t count, uint8_t write) struct sio_txn sio; scret_t retval = 0; + if (fd > PROC_MAX_FILEDES) { + return -EBADF; + } + if (count > SSIZE_MAX) { retval = -EINVAL; goto done; |