diff options
| author | Ted Unangst <tedu@cvs.openbsd.org> | 2004-02-23 21:01:23 +0000 |
|---|---|---|
| committer | Ted Unangst <tedu@cvs.openbsd.org> | 2004-02-23 21:01:23 +0000 |
| commit | cb8993229c78f5a3b0dec134d04f66d29995ef04 (patch) | |
| tree | eac28b79dc410911bc9795d4e76f0e44427942ae | |
| parent | b4bc528dc6788bdc60a6ef5faa3f67dae5a2fe62 (diff) | |
make sure we don't backwards before buffer
| -rw-r--r-- | usr.sbin/procmap/procmap.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/usr.sbin/procmap/procmap.c b/usr.sbin/procmap/procmap.c index 14773ae0b2c..2242c9baf34 100644 --- a/usr.sbin/procmap/procmap.c +++ b/usr.sbin/procmap/procmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: procmap.c,v 1.13 2004/02/23 20:53:21 tedu Exp $ */ +/* $OpenBSD: procmap.c,v 1.14 2004/02/23 21:01:22 tedu Exp $ */ /* $NetBSD: pmap.c,v 1.1 2002/09/01 20:32:44 atatat Exp $ */ /* @@ -780,6 +780,8 @@ findname(kvm_t *kd, struct kbit *vmspace, l = strlen(D(vfs, mount)->mnt_stat.f_mntonname); switch (search_cache(kd, vp, &name, buf, sizeof(buf))) { case 0: /* found something */ + if (name - (1 + 11 + l) < buf) + break; name--; *name = '/'; /*FALLTHROUGH*/ @@ -791,6 +793,8 @@ findname(kvm_t *kd, struct kbit *vmspace, D(vfs, mount)->mnt_stat.f_mntonname, l); break; case 1: /* all is well */ + if (name - (1 + l) < buf) + break; name--; *name = '/'; if (l != 1) { |