diff options
| author |   guenther <guenther@openbsd.org> | 2012-04-14 12:11:47 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2012-04-14 12:11:47 +0000 |
| commit | 146016d822d7abb602e5f48d8e9083166d2b29a9 (patch) | |
| tree | cb9c82e110742fc68c62eebc42fae01f59fc89ec /lib/libkvm/kvm_proc.c | |
| parent | Kill Boehms GC dead. (diff) | |
| download | wireguard-openbsd-146016d822d7abb602e5f48d8e9083166d2b29a9.tar.xz wireguard-openbsd-146016d822d7abb602e5f48d8e9083166d2b29a9.zip | |
Need to read in the vmspace to dig out the root of the rb-tree
Diffstat (limited to 'lib/libkvm/kvm_proc.c')
| -rw-r--r-- | lib/libkvm/kvm_proc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/libkvm/kvm_proc.c b/lib/libkvm/kvm_proc.c index a2555fb77d9..1b412e5f5cf 100644 --- a/lib/libkvm/kvm_proc.c +++ b/lib/libkvm/kvm_proc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kvm_proc.c,v 1.46 2012/03/09 13:02:45 ariane Exp $ */ +/* $OpenBSD: kvm_proc.c,v 1.47 2012/04/14 12:11:47 guenther Exp $ */ /* $NetBSD: kvm_proc.c,v 1.30 1999/03/24 05:50:50 mrg Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. @@ -132,6 +132,7 @@ static char * _kvm_ureadm(kvm_t *kd, const struct miniproc *p, u_long va, u_long *cnt) { u_long addr, offset, slot; + struct vmspace vm; struct vm_anon *anonp, anon; struct vm_map_entry vme; struct vm_amap amap; @@ -147,7 +148,9 @@ _kvm_ureadm(kvm_t *kd, const struct miniproc *p, u_long va, u_long *cnt) * Look through the address map for the memory object * that corresponds to the given virtual address. */ - addr = (u_long)RB_ROOT(&p->p_vmspace->vm_map.addr); + if (KREAD(kd, (u_long)p->p_vmspace, &vm)) + return (NULL); + addr = (u_long)RB_ROOT(&vm.vm_map.addr); while (1) { if (addr == 0) return (NULL); |