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@xxxxxxxx> > --- > 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? thanks, greg k-h
