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(parent: dac9bb5) | patch
Tools: After a helper maps a ring, yank it from the guest physmap
authorTim Deegan <tim@xen.org>
Thu, 8 Mar 2012 16:40:05 +0000 (16:40 +0000)
committerTim Deegan <tim@xen.org>
Thu, 8 Mar 2012 16:40:05 +0000 (16:40 +0000)
commit90b6e6c88983250742e1356d7178a6d4e683fa80
treecb07b08d3dbb9490f0a865780789cb887dd61c51tree | snapshot
parentdac9bb57eca774e5ab6189c5ff71b38cd5aec701commit | diff
Tools: After a helper maps a ring, yank it from the guest physmap

This limits the ability of the guest to play around with its own rings, and DoS
itself.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Tim Deegan <tim@xen.org>
tools/tests/xen-access/xen-access.c diff | blob | history
tools/xenpaging/xenpaging.c diff | blob | history
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