sys: extend kvm support

Add new pseudo syscall syz_kvm_setup_cpu that setups VCPU into
interesting states for execution. KVM is too difficult to setup otherwise.
Lots of improvements possible, but this is a starting point.

1 files changed, 2 insertions, 0 deletions

diff --git a/prog/mutation.go b/prog/mutation.go
index 7b5330b87..9a48bcf98 100644
--- a/prog/mutation.go
+++ b/prog/mutation.go
@@ -102,6 +102,8 @@ func (p *Prog) Mutate(rs rand.Source, ncalls int, ct *ChoiceTable, corpus []*Pro
 								}
 							case sys.BufferFilename:
 								arg.Data = []byte(r.filename(s))
+							case sys.BufferText:
+								arg.Data = r.mutateText(a.Text, arg.Data)
 							default:
 								panic("unknown buffer kind")
 							}