diff options
| author |   deraadt <deraadt@openbsd.org> | 2014-11-17 03:15:58 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2014-11-17 03:15:58 +0000 |
| commit | 9084c3374b43b2e9a8cc7a32c22f235e1ecd6ee8 (patch) | |
| tree | ded953d38012317d5a300f05898cf24a9a3878e2 | |
| parent | apply siphash to the key selection for the ufs inode hash. (diff) | |
| download | wireguard-openbsd-9084c3374b43b2e9a8cc7a32c22f235e1ecd6ee8.tar.xz wireguard-openbsd-9084c3374b43b2e9a8cc7a32c22f235e1ecd6ee8.zip | |
instead of PROT_MASK, use PROT_READ | PROT_WRITE | PROT_EXEC to
show the maxprot available in obreak mappings. (the default remains
PROT_READ | PROT_WRITE, so don't be afraid).
ok tedu
| -rw-r--r-- | sys/uvm/uvm_unix.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/uvm/uvm_unix.c b/sys/uvm/uvm_unix.c index 81c82bff826..424ab04e1db 100644 --- a/sys/uvm/uvm_unix.c +++ b/sys/uvm/uvm_unix.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_unix.c,v 1.51 2014/11/16 12:31:01 deraadt Exp $ */ +/* $OpenBSD: uvm_unix.c,v 1.52 2014/11/17 03:15:58 deraadt Exp $ */ /* $NetBSD: uvm_unix.c,v 1.18 2000/09/13 15:00:25 thorpej Exp $ */ /* @@ -85,7 +85,8 @@ sys_obreak(struct proc *p, void *v, register_t *retval) if (new > old) { error = uvm_map(&vm->vm_map, &old, new - old, NULL, UVM_UNKNOWN_OFFSET, 0, - UVM_MAPFLAG(PROT_READ | PROT_WRITE, PROT_MASK, UVM_INH_COPY, + UVM_MAPFLAG(PROT_READ | PROT_WRITE, + PROT_READ | PROT_WRITE | PROT_EXEC, UVM_INH_COPY, POSIX_MADV_NORMAL, UVM_FLAG_AMAPPAD|UVM_FLAG_FIXED| UVM_FLAG_OVERLAY|UVM_FLAG_COPYONW)); if (error) { |