* [Bug translator/2426] New: detect and report writes to kernel variables and structures
@ 2006-03-06 21:49 hunt at redhat dot com
2006-03-06 22:02 ` [Bug translator/2426] " fche at redhat dot com
2007-05-08 18:49 ` fche at redhat dot com
0 siblings, 2 replies; 3+ messages in thread
From: hunt at redhat dot com @ 2006-03-06 21:49 UTC (permalink / raw)
To: systemtap
People will try to use systemtap for hot-patching and other uses for which it is
not intended.
We should consider tainting the kernel, or at least writing entries to the
system log when programs that modify system variables or structures run.
--
Summary: detect and report writes to kernel variables and
structures
Product: systemtap
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P3
Component: translator
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: hunt at redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=2426
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* [Bug translator/2426] detect and report writes to kernel variables and structures
2006-03-06 21:49 [Bug translator/2426] New: detect and report writes to kernel variables and structures hunt at redhat dot com
@ 2006-03-06 22:02 ` fche at redhat dot com
2007-05-08 18:49 ` fche at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fche at redhat dot com @ 2006-03-06 22:02 UTC (permalink / raw)
To: systemtap
------- Additional Comments From fche at redhat dot com 2006-03-06 22:02 -------
The translator could emit a call to "printk(...); add_taint(...);" during module
initialization for any probe script that includes $target variable writes. I
don't see an existing TAINT flag that would be a perfect match, the closest
being TAINT_FORCED_MODULE.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=2426
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* [Bug translator/2426] detect and report writes to kernel variables and structures
2006-03-06 21:49 [Bug translator/2426] New: detect and report writes to kernel variables and structures hunt at redhat dot com
2006-03-06 22:02 ` [Bug translator/2426] " fche at redhat dot com
@ 2007-05-08 18:49 ` fche at redhat dot com
1 sibling, 0 replies; 3+ messages in thread
From: fche at redhat dot com @ 2007-05-08 18:49 UTC (permalink / raw)
To: systemtap
------- Additional Comments From fche at redhat dot com 2007-05-08 19:49 -------
We printk during module initialization for all systemtap scripts.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
http://sourceware.org/bugzilla/show_bug.cgi?id=2426
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2006-03-06 21:49 [Bug translator/2426] New: detect and report writes to kernel variables and structures hunt at redhat dot com
2006-03-06 22:02 ` [Bug translator/2426] " fche at redhat dot com
2007-05-08 18:49 ` fche at redhat dot com
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