Page MenuHomeFreeBSD
Files F164509035

D58506.diff
No OneTemporary
Actions

D58506.diff
View Options

diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -32,12 +32,12 @@
#include "opt_ktrace.h"
#include "opt_vm.h"
-#include <sys/param.h>
#include <sys/systm.h>
#include <sys/acct.h>
#include <sys/asan.h>
#include <sys/capsicum.h>
#include <sys/compressor.h>
+#include <sys/dirent.h>
#include <sys/eventhandler.h>
#include <sys/exec.h>
#include <sys/fcntl.h>
@@ -568,12 +568,46 @@
newbinname[nd.ni_cnd.cn_namelen] = '\0';
imgp->vp = newtextvp;
+ if (atomic_load_8(&newtextdvp->v_type) != VDIR) {
+ struct vnode *dvp1;
+ char *buf1;
+ size_t buf1len;
+
+ /*
+ * The newtextdvp vnode might be not a
+ * directory when reclaimed or when the image
+ * is mounted over a regular file. In the
+ * latter case, try to resolve the containing
+ * directory.
+ *
+ * In any case, p_textdvp must be either a
+ * directory or reclaimed.
+ */
+ VOP_UNLOCK(imgp->vp);
+ dvp1 = newtextdvp;
+ buf1len = MAXNAMLEN + 1;
+ buf1 = malloc(buf1len, M_TEMP, M_WAITOK);
+ error = vn_vptocnp(&dvp1, buf1, &buf1len);
+ if (error == 0) {
+ if (atomic_load_8(&dvp1->v_type) == VDIR) {
+ newtextdvp = dvp1;
+ } else {
+ vrele(dvp1);
+ newtextdvp = NULL;
+ }
+ } else {
+ newtextdvp = NULL;
+ }
+ free(buf1, M_TEMP);
+ vn_lock(imgp->vp, LK_SHARED | LK_RETRY);
+ }
+
/*
* Do the best to calculate the full path to the image file.
*/
if (args->fname[0] == '/') {
imgp->execpath = args->fname;
- } else {
+ } else if (newtextdvp != NULL) {
VOP_UNLOCK(imgp->vp);
freepath_size = MAXPATHLEN;
if (vn_fullpath_hardlink(newtextvp, newtextdvp,

File Metadata

Mime Type
text/plain
Expires
Sun, Aug 2, 2:00 PM (17 h, 10 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
35717144
Default Alt Text
D58506.diff (1 KB)

Event Timeline