diff options
| author |   mvs <mvs@openbsd.org> | 2021-01-17 15:28:21 +0000 |
|---|---|---|
| committer | mvs <mvs@openbsd.org> | 2021-01-17 15:28:21 +0000 |
| commit | 9e1c4ad6e2bbf8b384cf2d699b693050eff32d3b (patch) | |
| tree | 83ae8b202540a876be73ec6b311ad96f16e1ae1f /sys/kern/kern_fork.c | |
| parent | Don't leak host address. Found with clang static analyzer. (diff) | |
| download | wireguard-openbsd-9e1c4ad6e2bbf8b384cf2d699b693050eff32d3b.tar.xz wireguard-openbsd-9e1c4ad6e2bbf8b384cf2d699b693050eff32d3b.zip | |
Cache parent's pid as `ps_ppid' and use it instead of `ps_pptr->ps_pid'.
This allows us to unlock getppid(2).
ok mpi@
Diffstat (limited to 'sys/kern/kern_fork.c')
| -rw-r--r-- | sys/kern/kern_fork.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 34e5b45bcbc..a8d275907de 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_fork.c,v 1.230 2020/12/07 16:55:28 mpi Exp $ */ +/* $OpenBSD: kern_fork.c,v 1.231 2021/01/17 15:28:21 mvs Exp $ */ /* $NetBSD: kern_fork.c,v 1.29 1996/02/09 18:59:34 christos Exp $ */ /* @@ -231,6 +231,7 @@ process_new(struct proc *p, struct process *parent, int flags) /* post-copy fixups */ pr->ps_pptr = parent; + pr->ps_ppid = parent->ps_pid; /* bump references to the text vnode (for sysctl) */ pr->ps_textvp = parent->ps_textvp; |