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(parent: 7dd541a) | patch
vfio-ccw: Don't assume there are more ccws after a TIC
authorFarhan Ali <alifm@linux.ibm.com>
Mon, 21 Jan 2019 14:54:08 +0000 (09:54 -0500)
committerCornelia Huck <cohuck@redhat.com>
Mon, 4 Feb 2019 15:41:04 +0000 (16:41 +0100)
commit405d566f98ae19ccf624b31b6eccd6039d9cbc39
tree19808a2a066326cebd9d7224105bbb78f5e76206tree | snapshot
parent7dd541a3fb34b34f0f25154dd0d24d0d9b1ca0f3commit | diff
vfio-ccw: Don't assume there are more ccws after a TIC

When trying to calculate the length of a ccw chain, we assume
there are ccws after a TIC. This can lead to overcounting and
copying garbage data from guest memory.

Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Message-Id: <d63748c1f1b03147bcbf401596638627a5e35ef7.1548082107.git.alifm@linux.ibm.com>
Reviewed-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
drivers/s390/cio/vfio_ccw_cp.c diff | blob | history
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