diff options
author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2019-01-06 18:33:27 +0000 |
---|---|---|
committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2019-01-06 18:33:27 +0000 |
commit | 7fb0bd14a53f3c8cef748cabebc6e99ab1bf30fd (patch) | |
tree | bd631ac26207036a5631834181a6252e6a313cd6 /sys/kern | |
parent | a1179cda5ed0ed93220e0410c3abbe3c0aa975fe (diff) |
Clear ps_uvpcwd when we free ps_uvpaths. Fixes a crash seen by kn@ and me
where ps_uvpcwd obviously contains a dangling pointer.
ok deraadt@, krw@
Diffstat (limited to 'sys/kern')
-rw-r--r-- | sys/kern/kern_unveil.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/kern_unveil.c b/sys/kern/kern_unveil.c index a6386a07ad1..ce4f4a34ce7 100644 --- a/sys/kern/kern_unveil.c +++ b/sys/kern/kern_unveil.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_unveil.c,v 1.18 2019/01/03 21:52:31 beck Exp $ */ +/* $OpenBSD: kern_unveil.c,v 1.19 2019/01/06 18:33:26 kettenis Exp $ */ /* * Copyright (c) 2017-2018 Bob Beck <beck@openbsd.org> @@ -198,6 +198,7 @@ unveil_destroy(struct process *ps) sizeof(struct unveil)); ps->ps_uvvcount = 0; ps->ps_uvpaths = NULL; + ps->ps_uvpcwd = NULL; } void |