diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/proc.c | 4 | ||||
| -rw-r--r-- | src/uapi/mem.c | 3 |
2 files changed, 4 insertions, 3 deletions
@@ -46,9 +46,7 @@ stat_t init_proc(void *fdt, vm_t *proc_fdt, vm_t *proc_initrd) t->notify_id = t->tid; /* init process has all capabilities */ - set_caps(t->caps, - CAP_CAPS | CAP_PROC | CAP_SIGNAL | CAP_POWER | CAP_NOTIFY | - CAP_SHARED); + set_caps(t->caps, ~0); /* we shall try to map the fdt and initrd into the new address space, so * save them here before we switch */ diff --git a/src/uapi/mem.c b/src/uapi/mem.c index 5c18797..561b5eb 100644 --- a/src/uapi/mem.c +++ b/src/uapi/mem.c @@ -100,6 +100,9 @@ SYSCALL_DEFINE3(req_pmem)(struct tcb *t, sys_arg_t paddr, sys_arg_t size, * that keeps track of used regions outside of RAM. We'll see. */ struct tcb *r = get_cproc(t); + if (!has_cap(r->caps, CAP_PHYSICAL)) + return_args1(t, ERR_PERM); + flags = sanitize_uvflags(flags); vm_t start = alloc_devmem(r, paddr, size, flags); if (ERR_CODE(start)) |