diff options
Diffstat (limited to 'hurd/hurdstartup.c')
| -rw-r--r-- | hurd/hurdstartup.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hurd/hurdstartup.c b/hurd/hurdstartup.c index 17a7705..cd6922f 100644 --- a/hurd/hurdstartup.c +++ b/hurd/hurdstartup.c @@ -75,6 +75,14 @@ _hurd_startup (void **argptr, void (*main) (int *data)) char **argv, **envp; int argc, envc; int *argcptr; + vm_address_t addr; + + /* Attempt to map page zero redzoned before we receive any RPC + data that might get allocated there. We can ignore errors. */ + addr = 0; + __vm_map (__mach_task_self (), + &addr, __vm_page_size, 0, 0, MACH_PORT_NULL, 0, 1, + VM_PROT_NONE, VM_PROT_NONE, VM_INHERIT_COPY); if (err = __task_get_special_port (__mach_task_self (), TASK_BOOTSTRAP_PORT, &in_bootstrap)) |