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author | 2015-02-09 07:14:38 +0000 | |
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committer | 2015-02-09 07:14:38 +0000 | |
commit | eac6ec390733bd76811ad9f188b29faed1d6c0b1 (patch) | |
tree | 2b6d6e7b3cff5527f833b4b0a650c51d26b50800 | |
parent | Remember to zero the ciphers configuration. (diff) | |
download | wireguard-openbsd-eac6ec390733bd76811ad9f188b29faed1d6c0b1.tar.xz wireguard-openbsd-eac6ec390733bd76811ad9f188b29faed1d6c0b1.zip |
Make sure we actually have an entry before checking its limits.
ok deraadt@
-rw-r--r-- | sys/uvm/uvm_map.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/uvm/uvm_map.c b/sys/uvm/uvm_map.c index d12e6aef653..16bbdb396a8 100644 --- a/sys/uvm/uvm_map.c +++ b/sys/uvm/uvm_map.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_map.c,v 1.184 2015/02/06 11:41:55 beck Exp $ */ +/* $OpenBSD: uvm_map.c,v 1.185 2015/02/09 07:14:38 kettenis Exp $ */ /* $NetBSD: uvm_map.c,v 1.86 2000/11/27 08:40:03 chs Exp $ */ /* @@ -4175,7 +4175,7 @@ uvm_map_clean(struct vm_map *map, vaddr_t start, vaddr_t end, int flags) first = uvm_map_entrybyaddr(&map->addr, start); /* Make a first pass to check for holes. */ - for (entry = first; entry->start < end; + for (entry = first; entry != NULL && entry->start < end; entry = RB_NEXT(uvm_map_addr, &map->addr, entry)) { if (UVM_ET_ISSUBMAP(entry)) { vm_map_unlock_read(map); |