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[Bug kprobes/10017] kernel panic/issues with 2.6.29 + merge window version
- From: "mhiramat at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 31 Mar 2009 12:37:55 -0000
- Subject: [Bug kprobes/10017] kernel panic/issues with 2.6.29 + merge window version
- References: <20090330212657.10017.fche@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From mhiramat at redhat dot com 2009-03-31 12:37 -------
(In reply to comment #4)
> Oops! Current upstream tree has the gs enablement patch in pt_regs, but doesn't
> have Masami's fix for gs in kprobes. That's possibly the reason.
Indeed, this must cause reported problem, because the stack address will be moved
one entry. This means that any attempt to access to local variable from kretprobes
may refer to another variable.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10017
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