diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2008-01-04 04:33:13 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2008-01-04 04:33:13 +0000 |
| commit | 77bc7900bcd4ac4dd8bb998d20f0d13a99a4f909 (patch) | |
| tree | 4788acde9a74d8ef00b4a3ab8842aabc94acbaec /sys/vm/vm_map.c | |
| parent | bc215f590568abf13c54c5f5203b61610d7add34 (diff) | |
Notes
Diffstat (limited to 'sys/vm/vm_map.c')
| -rw-r--r-- | sys/vm/vm_map.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index d042c655834b..f3ee9308ca2b 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -2712,7 +2712,9 @@ vm_map_stack(vm_map_t map, vm_offset_t addrbos, vm_size_t max_ssize, cow &= ~orient; KASSERT(orient != 0, ("No stack grow direction")); - if (addrbos < vm_map_min(map) || addrbos > map->max_offset) + if (addrbos < vm_map_min(map) || + addrbos > vm_map_max(map) || + addrbos + max_ssize < addrbos) return (KERN_NO_SPACE); init_ssize = (max_ssize < sgrowsiz) ? max_ssize : sgrowsiz; |