diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2014-05-06 12:35:19 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2014-05-06 12:35:19 +0000 |
| commit | e6b5011f23ec27602fb6e6886bce8fedb87da3cd (patch) | |
| tree | 35cd08c7173b84c68efaecfd5f3225d204412792 /sys/vm | |
| parent | 5e01bf73c348561805403b6cb02d7f47223b792e (diff) | |
Notes
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_phys.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vm_phys.c b/sys/vm/vm_phys.c index d367a330c872..67d3fd6516f5 100644 --- a/sys/vm/vm_phys.c +++ b/sys/vm/vm_phys.c @@ -600,7 +600,9 @@ vm_phys_fictitious_reg_range(vm_paddr_t start, vm_paddr_t end, #ifdef VM_PHYSSEG_DENSE pi = atop(start); - if (pi >= first_page && atop(end) < vm_page_array_size) { + if (pi >= first_page && pi < vm_page_array_size + first_page) { + if (atop(end) >= vm_page_array_size + first_page) + return (EINVAL); fp = &vm_page_array[pi - first_page]; malloced = FALSE; } else |