diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc_r/uthread/uthread_close.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/uthread_close.c b/lib/libc_r/uthread/uthread_close.c index 0847fcd..ba291a3 100644 --- a/lib/libc_r/uthread/uthread_close.c +++ b/lib/libc_r/uthread/uthread_close.c @@ -49,7 +49,8 @@ _close(int fd) struct stat sb; struct fd_table_entry *entry; - if ((fd == _thread_kern_pipe[0]) || (fd == _thread_kern_pipe[1]) || + if ((fd < 0) || (fd >= _thread_dtablesize) || + (fd == _thread_kern_pipe[0]) || (fd == _thread_kern_pipe[1]) || (_thread_fd_table[fd] == NULL)) { /* * Don't allow silly programs to close the kernel pipe |
