Messages in this thread Patch in this message | | | Date | Tue, 25 Mar 2003 22:15:49 +0000 (GMT) | From | Hugh Dickins <> | Subject | [PATCH] swap 06/13 wrap below vm_start |
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objrmap must check lest address wrapped below vma->vm_start.
--- swap05/mm/rmap.c Tue Mar 25 20:43:40 2003 +++ swap06/mm/rmap.c Tue Mar 25 20:43:51 2003 @@ -100,12 +100,8 @@ unsigned long address; loffset = (page->index << (PAGE_CACHE_SHIFT - PAGE_SHIFT)); - if (loffset < vma->vm_pgoff) - goto out; - address = vma->vm_start + ((loffset - vma->vm_pgoff) << PAGE_SHIFT); - - if (address >= vma->vm_end) + if (address < vma->vm_start || address >= vma->vm_end) goto out; pgd = pgd_offset(mm, address); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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