Displaying 1 result from an estimated 1 matches for "page_list_null".
2012 Jun 06
1
page_list_splice() seems buggy (4.1.2)
Hello,
It looks like page_list_splice(list, head) in include/xen/mm.h is buggy.
(4.1.2)
After calling it, head->next.prev incorrectly points to the old first page,
when it really should point to null (i.e., PAGE_LIST_NULL).
The ''head'' list becomes inconsistent and the system will crash later when
you pop items out from the list. (usually fatal page fault) .
To patch this bug I suggest to remove ''first->list.prev =
page_to_pdx(head->next);'' line.
This bug was discovered whi...