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getdent: make sure fd is readable

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Matheus
2024-08-24 22:33:58 -03:00
parent 4308317ea5
commit 807c27e7f5
1 changed files with 1 additions and 1 deletions
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kernel-src/sys/syscalls/getdent.c
+1 -1
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@@ -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;