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| author | Jeff Roberson <jeff@FreeBSD.org> | 2005-05-01 00:58:19 +0000 |
|---|---|---|
| committer | Jeff Roberson <jeff@FreeBSD.org> | 2005-05-01 00:58:19 +0000 |
| commit | 4d7d2993838d06a8cd017c35c94d721533c9f92a (patch) | |
| tree | 9d1f37107a984d461e4091aaba0238bd577b72ca /sys/kern/kern_exec.c | |
| parent | 7b6b7657d24747d3445f4d94a1584783d552e9a8 (diff) | |
| download | src-4d7d2993838d06a8cd017c35c94d721533c9f92a.tar.gz src-4d7d2993838d06a8cd017c35c94d721533c9f92a.zip | |
- Return EACCES if we're trying to exec on a vp with no object.
Errno supplied by: cperciva
Notes
Notes:
svn path=/head/; revision=145731
Diffstat (limited to 'sys/kern/kern_exec.c')
| -rw-r--r-- | sys/kern/kern_exec.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c index 52e1c686704d..49b3868a273c 100644 --- a/sys/kern/kern_exec.c +++ b/sys/kern/kern_exec.c @@ -791,6 +791,8 @@ exec_map_first_page(imgp) exec_unmap_first_page(imgp); object = imgp->vp->v_object; + if (object == NULL) + return (EACCES); VM_OBJECT_LOCK(object); ma[0] = vm_page_grab(object, 0, VM_ALLOC_NORMAL | VM_ALLOC_RETRY); if ((ma[0]->valid & VM_PAGE_BITS_ALL) != VM_PAGE_BITS_ALL) { |