From 807c27e7f5fd9c0bbf5c2d411a3e9e6c7ce8038d Mon Sep 17 00:00:00 2001 From: Matheus Date: Sat, 24 Aug 2024 22:33:58 -0300 Subject: [PATCH] getdent: make sure fd is readable --- kernel-src/sys/syscalls/getdent.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel-src/sys/syscalls/getdent.c b/kernel-src/sys/syscalls/getdent.c index 3759a1e7..445a7d71 100644 --- a/kernel-src/sys/syscalls/getdent.c +++ b/kernel-src/sys/syscalls/getdent.c @@ -23,7 +23,7 @@ syscallret_t syscall_getdents(context_t *, int dirfd, void *ubuffer, size_t read } file_t *fd = fd_get(dirfd); - if (fd == NULL) { + if (fd == NULL || (fd->flags & FILE_READ) == 0) { free(buffer); ret.errno = EBADF; return ret;