prog: extend output on validation error
prog: extend output on validation error

hyz0906/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,google/syzkaller,zoulasc/syzkaller,zoulasc/syzkaller,zoulasc/syzkaller,xairy/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,google/syzkaller,xairy/syzkaller,dotweiba/syzkaller,xairy/syzkaller,hyz0906/syzkaller,xairy/syzkaller,dotweiba/syzkaller,hyz0906/syzkaller,zoulasc/syzkaller,hyz0906/syzkaller,dotweiba/syzkaller,google/syzkaller,dotweiba/syzkaller,google/syzkaller,hyz0906/syzkaller