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author | alc <alc@FreeBSD.org> | 2003-07-01 03:57:25 +0000 |
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committer | alc <alc@FreeBSD.org> | 2003-07-01 03:57:25 +0000 |
commit | decdc946efac72df268a984b7ad12aa3450c0c2c (patch) | |
tree | ac735472853f82ee826df404a25ac932fb2ef63a /sys/vm | |
parent | d6dcd053351b0c9f8d6feb065e08cdd23c01f3ad (diff) | |
download | FreeBSD-src-decdc946efac72df268a984b7ad12aa3450c0c2c.zip FreeBSD-src-decdc946efac72df268a984b7ad12aa3450c0c2c.tar.gz |
Check the address provided to vm_map_stack() against the vm map's maximum,
returning an error if the address is too high.
Diffstat (limited to 'sys/vm')
-rw-r--r-- | sys/vm/vm_map.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index c879bc4..206162f 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -2460,7 +2460,8 @@ vm_map_stack (vm_map_t map, vm_offset_t addrbos, vm_size_t max_ssize, if (addrbos < vm_map_min(map)) return (KERN_NO_SPACE); - + if (addrbos > map->max_offset) + return (KERN_NO_SPACE); if (max_ssize < sgrowsiz) init_ssize = max_ssize; else |