vm: Fix vm_map_find_min()
Fix the handling of address hints that are less than min_addr by
vm_map_find_min().
Reported by: dchagin
Reviewed by: kib
Fixes: d8e6f4946c
"vm: Fix anonymous memory clustering under ASLR"
Differential Revision: https://reviews.freebsd.org/D41159
This commit is contained in:
parent
d059e44b80
commit
50d663b14b
@ -2255,10 +2255,10 @@ vm_map_find_min(vm_map_t map, vm_object_t object, vm_ooffset_t offset,
|
||||
int rv;
|
||||
|
||||
hint = *addr;
|
||||
if (hint == 0)
|
||||
if (hint == 0) {
|
||||
cow |= MAP_NO_HINT;
|
||||
if (hint < min_addr)
|
||||
*addr = hint = min_addr;
|
||||
}
|
||||
for (;;) {
|
||||
rv = vm_map_find(map, object, offset, addr, length, max_addr,
|
||||
find_space, prot, max, cow);
|
||||
|
Loading…
Reference in New Issue
Block a user