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 <[email protected]> > Signed-off-by: Chris Wilson <[email protected]> > Cc: Daniel Vetter <[email protected]> _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
