panic: bad group arg size 24, should be <= 0 for &prog.GroupArg{ArgCommon:prog.ArgCommon{ref:0x2de, dir:0x0}, Inner:[]prog.Arg{}} type "array"

goroutine 25 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x8b4538, 0xc016c28600}, 0xc016c38940, 0xc008dbbd00)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:157 +0x5d9
github.com/google/syzkaller/prog.foreachArgImpl({0x8b4578, 0xc016e88db0}, 0xc016c38940, 0xc008dbbd00)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:164 +0x337
github.com/google/syzkaller/prog.ForeachArg(0xc0164cbf90, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:123 +0x105
github.com/google/syzkaller/prog.(*Prog).MutateWithHints(0xc017ca0480, 0x12, 0xc016ccd950, 0xc010d49d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/hints.go:78 +0xaa
main.(*Proc).executeHintSeed(0xc017ca0480, 0x6f596e, 0x12)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:248 +0xd2
main.(*Proc).smashInput(0xc017ca0480, 0xc00cec7640)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:214 +0x88
main.(*Proc).loop(0xc017ca0480)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0x125
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:307 +0x15a5