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https://github.com/Qortal/Brooklyn.git
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2a709f28fa
* 0day explit mitigation * Memory corruption prevention * Privilege escalation prevention * Buffer over flow prevention * File System corruption defense * Thread escape prevention This may very well be the most intensive inclusion to BrooklynR. This will not be part of an x86 suite nor it will be released as tool kit. The security core toolkit will remain part of kernel base.
135 lines
3.0 KiB
C
135 lines
3.0 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM page_ref
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#if !defined(_TRACE_PAGE_REF_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_PAGE_REF_H
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#include <linux/types.h>
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#include <linux/page_ref.h>
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#include <linux/tracepoint.h>
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#include <trace/events/mmflags.h>
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DECLARE_EVENT_CLASS(page_ref_mod_template,
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TP_PROTO(struct page *page, int v),
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TP_ARGS(page, v),
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TP_STRUCT__entry(
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__field(unsigned long, pfn)
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__field(unsigned long, flags)
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__field(int, count)
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__field(int, mapcount)
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__field(void *, mapping)
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__field(int, mt)
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__field(int, val)
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),
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TP_fast_assign(
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__entry->pfn = page_to_pfn(page);
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__entry->flags = page->flags;
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__entry->count = page_ref_count(page);
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__entry->mapcount = page_mapcount(page);
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__entry->mapping = page->mapping;
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__entry->mt = get_pageblock_migratetype(page);
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__entry->val = v;
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),
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TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d",
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__entry->pfn,
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show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)),
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__entry->count,
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__entry->mapcount, __entry->mapping, __entry->mt,
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__entry->val)
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);
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DEFINE_EVENT(page_ref_mod_template, page_ref_set,
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TP_PROTO(struct page *page, int v),
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TP_ARGS(page, v)
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);
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DEFINE_EVENT(page_ref_mod_template, page_ref_mod,
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TP_PROTO(struct page *page, int v),
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TP_ARGS(page, v)
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);
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DECLARE_EVENT_CLASS(page_ref_mod_and_test_template,
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TP_PROTO(struct page *page, int v, int ret),
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TP_ARGS(page, v, ret),
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TP_STRUCT__entry(
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__field(unsigned long, pfn)
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__field(unsigned long, flags)
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__field(int, count)
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__field(int, mapcount)
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__field(void *, mapping)
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__field(int, mt)
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__field(int, val)
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__field(int, ret)
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),
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TP_fast_assign(
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__entry->pfn = page_to_pfn(page);
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__entry->flags = page->flags;
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__entry->count = page_ref_count(page);
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__entry->mapcount = page_mapcount(page);
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__entry->mapping = page->mapping;
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__entry->mt = get_pageblock_migratetype(page);
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__entry->val = v;
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__entry->ret = ret;
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),
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TP_printk("pfn=0x%lx flags=%s count=%d mapcount=%d mapping=%p mt=%d val=%d ret=%d",
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__entry->pfn,
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show_page_flags(__entry->flags & ((1UL << NR_PAGEFLAGS) - 1)),
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__entry->count,
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__entry->mapcount, __entry->mapping, __entry->mt,
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__entry->val, __entry->ret)
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);
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_test,
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TP_PROTO(struct page *page, int v, int ret),
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TP_ARGS(page, v, ret)
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);
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_and_return,
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TP_PROTO(struct page *page, int v, int ret),
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TP_ARGS(page, v, ret)
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);
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_mod_unless,
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TP_PROTO(struct page *page, int v, int ret),
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TP_ARGS(page, v, ret)
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);
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DEFINE_EVENT(page_ref_mod_and_test_template, page_ref_freeze,
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TP_PROTO(struct page *page, int v, int ret),
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TP_ARGS(page, v, ret)
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);
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DEFINE_EVENT(page_ref_mod_template, page_ref_unfreeze,
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TP_PROTO(struct page *page, int v),
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TP_ARGS(page, v)
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);
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#endif /* _TRACE_PAGE_COUNT_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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