upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-06-11 09:41:03 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Correct a long-standing race condition in vm_object_page_remove() that

Browse source 
could result in a dirty page being unintentionally freed.

Reviewed by:	tegge
MFC after:	7 days
This commit is contained in:
Alan Cox 2004-02-22 03:36:51 +00:00
parent efbef97de9
commit 85b8d6b45b
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sys/vm/vm_object.c
View file

@ -1797,7 +1797,7 @@ again:
if (vm_page_sleep_if_busy(p, TRUE, "vmopar"))
goto again;
if (clean_only && p->valid) {
vm_page_test_dirty(p);
pmap_page_protect(p, VM_PROT_READ | VM_PROT_EXECUTE);
if (p->valid & p->dirty)
continue;
}