Author: kib
Date: Mon Feb 11 07:09:02 2019
New Revision: 343997
URL: https://svnweb.freebsd.org/changeset/base/343997
Log:
MFC r343890:
do_execve(): lock vnode when needed.
Modified:
stable/12/sys/kern/kern_exec.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/kern/kern_exec.c
==============================================================================
--- stable/12/sys/kern/kern_exec.c Mon Feb 11 05:39:38 2019
(r343996)
+++ stable/12/sys/kern/kern_exec.c Mon Feb 11 07:09:02 2019
(r343997)
@@ -696,8 +696,10 @@ interpret:
else
error = suword(--stack_base, imgp->args->argc) == 0 ?
0 : EFAULT;
- if (error != 0)
+ if (error != 0) {
+ vn_lock(imgp->vp, LK_SHARED | LK_RETRY);
goto exec_fail_dealloc;
+ }
if (args->fdp != NULL) {
/* Install a brand new file descriptor table. */
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