Quoting Chris Wilson (2017-10-31 11:55:35) > To acquire all modeset locks requires a ww_ctx to be allocated. As this > is the legacy path and the allocation small, to reduce the changes > required (and complex untested error handling) to the legacy drivers, we > simply assume that the allocation succeeds. At present, it relies on the > too-small-to-fail rule, but syzbot found that by injecting a failure > here we would hit the WARN. Document that this allocation must succeed > with __GFP_NOFAIL. > > Reported-by: syzbot (syzkaller) Proper credit is Reported-by: syzbot <syzkaller@xxxxxxxxxxxxxxxx> > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
