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Re: More netbsd32 emulation ktrace overrides



Thank you for clarifying. 


--
Cryo:William J. Coldwell ARIN:WC25/AS7769 PGP:0xF97CC215/0x5E9944455
Warped, Inc. warped.com Founder/CTO 661-WARPED1 @warped @deadjournal
NetBSD netbsd.org/pkgsrc.org President,Project Security,Social Media
"Put on 3D glasses, otherwise you only see in 1½D.”  [self opinion];

On Sep 9, 2016, at 04:06, Martin Husemann <martin%duskware.de@localhost> wrote:

On Fri, Sep 09, 2016 at 04:00:56AM -0500, William J. Coldwell wrote:
Are these overflows a security issue?
Like giving up valid kernel memory.

No security issue. They just record the 64bit version of the msghdr
structure (which has just been passed in from userland anyway) instead
of the 32bit one, and the decoder in kdump can not handle that.

Martin


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