uvm_map_immutable() takes start,end, not start,end

I juggled my trees incorrectly.

diff --git a/sys/kern/exec_subr.c b/sys/kern/exec_subr.c
index 4ed0476..ac787ab 100644 (file)
--- a/sys/kern/exec_subr.c
+++ b/sys/kern/exec_subr.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: exec_subr.c,v 1.61 2022/10/21 19:13:31 deraadt Exp $  */
+/*     $OpenBSD: exec_subr.c,v 1.62 2022/10/21 20:46:40 deraadt Exp $  */
 /*     $NetBSD: exec_subr.c,v 1.9 1994/12/04 03:10:42 mycroft Exp $    */
 
 /*
@@ -213,8 +213,8 @@ vmcmd_map_pagedvn(struct proc *p, struct exec_vmcmd *cmd)
                uobj->pgops->pgo_detach(uobj);
        } else {
                if (cmd->ev_flags & VMCMD_IMMUTABLE)
-                       uvm_map_immutable(&p->p_vmspace->vm_map,
-                           cmd->ev_addr, round_page(cmd->ev_len), 1);
+                       uvm_map_immutable(&p->p_vmspace->vm_map, cmd->ev_addr,
+                           round_page(cmd->ev_addr + cmd->ev_len), 1);
        }
 
        return (error);
@@ -265,11 +265,9 @@ vmcmd_map_readvn(struct proc *p, struct exec_vmcmd *cmd)
                    prot, FALSE, TRUE));
        }
        if (error == 0) {
-               if (cmd->ev_flags & VMCMD_IMMUTABLE) {
-                       //printf("imut readvn\n");
-                       uvm_map_immutable(&p->p_vmspace->vm_map,
-                           cmd->ev_addr, round_page(cmd->ev_len), 1);
-               }
+               if (cmd->ev_flags & VMCMD_IMMUTABLE)
+                       uvm_map_immutable(&p->p_vmspace->vm_map, cmd->ev_addr,
+                           round_page(cmd->ev_addr + cmd->ev_len), 1);
        }
        return (error);
 }
@@ -293,11 +291,9 @@ vmcmd_map_zero(struct proc *p, struct exec_vmcmd *cmd)
            UVM_MAPFLAG(cmd->ev_prot, PROT_MASK, MAP_INHERIT_COPY,
            MADV_NORMAL, UVM_FLAG_FIXED|UVM_FLAG_COPYONW |
            (cmd->ev_flags & VMCMD_STACK ? UVM_FLAG_STACK : 0)));
-       if (cmd->ev_flags & VMCMD_IMMUTABLE) {
-               //printf("imut zero\n");
-               uvm_map_immutable(&p->p_vmspace->vm_map,
-                   cmd->ev_addr, round_page(cmd->ev_len), 1);
-       }
+       if (cmd->ev_flags & VMCMD_IMMUTABLE)
+               uvm_map_immutable(&p->p_vmspace->vm_map, cmd->ev_addr,
+                   round_page(cmd->ev_addr + cmd->ev_len), 1);
        return error;
 }