1. 29 Apr, 2019 1 commit
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  8. 01 Nov, 2017 1 commit
    • Eric Anholt's avatar
      test: Add a test for the overflow bug in bigreqs. · 14af8bee
      Eric Anholt authored
      The failing struct comes from the python test written by Michal Srb
      <msrb@suse.com>.
      
      v2: Use a drawable (root window) and gc, so that PolyLines hopefully
          actually tries processing things.  However, the request seems to
          process successfully so the poll() just stalls out.  However, this
          does let us distinguish between detecting the bigrequests error
          and not, at least.
      v3: Clean up the description of what we expect the poll() call to do.
      v4: Use XI2 instead of PolyLine to trigger a predictable error. We know the
          server replies with BadValue for a zero num_masks argument. So if we send
          a bigreq with a num_masks 0 and a length 0, we can just check whether we
          get killed (good) or a BadValue (bad). It doesn't test for specific memory
          overflows or crashes, but based on the assumption that we shouldn't look
          at *any* BigReq of size 0, this seems to be sufficient.
      Signed-off-by: Eric Anholt's avatarEric Anholt <eric@anholt.net>
      Signed-off-by: Peter Hutterer's avatarPeter Hutterer <peter.hutterer@who-t.net>
      14af8bee
  9. 20 Sep, 2017 2 commits