Messages in this thread | | | Date | Wed, 16 Mar 2022 06:29:00 +0100 | Subject | Re: [PATCH] xen/usb: harden xen_hcd against malicious backends | From | Juergen Gross <> |
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On 15.03.22 18:41, Greg Kroah-Hartman wrote: > On Fri, Mar 11, 2022 at 11:35:09AM +0100, Juergen Gross wrote: >> Make sure a malicious backend can't cause any harm other than wrong >> I/O data. >> >> Missing are verification of the request id in a response, sanitizing >> the reported actual I/O length, and protection against interrupt storms >> from the backend. >> >> Signed-off-by: Juergen Gross <jgross@suse.com> >> --- >> drivers/usb/host/xen-hcd.c | 57 ++++++++++++++++++++++++++++---------- >> 1 file changed, 43 insertions(+), 14 deletions(-) > > Fails to apply to my tree: > > checking file drivers/usb/host/xen-hcd.c > Hunk #2 succeeded at 720 (offset -1 lines). > Hunk #3 succeeded at 807 (offset -3 lines). > Hunk #4 succeeded at 934 (offset -5 lines). > Hunk #5 FAILED at 986. > Hunk #6 succeeded at 1003 with fuzz 1 (offset -10 lines). > Hunk #7 succeeded at 1048 (offset -10 lines). > Hunk #8 succeeded at 1072 (offset -10 lines). > Hunk #9 succeeded at 1161 (offset -10 lines). > Hunk #10 succeeded at 1516 (offset -10 lines). > 1 out of 10 hunks FAILED > > Any hints?
Rebase your tree to v5.17-rc8? It is missing the recent security patches which modified drivers/usb/host/xen-hcd.c.
Juergen [unhandled content-type:application/pgp-keys][unhandled content-type:application/pgp-signature] | |