fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00"/131108, 0x20024, 0xfffe0}], 0x400, &(0x7f0000003580)=ANY=[], 0x1)
panic: bad group arg size 24, should be <= 0 for &prog.GroupArg{ArgCommon:prog.ArgCommon{ref:0x2dc, dir:0x0}, Inner:[]prog.Arg{}} type "array"

goroutine 25 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x4c7838, 0x401966c700}, 0x400e4ec080, 0x40160b3d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:157 +0x5cc
github.com/google/syzkaller/prog.foreachArgImpl({0x4c7878, 0x400d9d9530}, 0x400e4ec080, 0x40160b3d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:164 +0x304
github.com/google/syzkaller/prog.ForeachArg(0x402aea8ff0, 0x40160b3d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:123 +0x130
github.com/google/syzkaller/prog.(*Prog).MutateWithHints(0x4022f73c80, 0x0, 0x400d185860, 0x40160b3df8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/hints.go:78 +0x9c
main.(*Proc).executeHintSeed(0x4018d742c0, 0x4022f73c80, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:248 +0xf8
main.(*Proc).smashInput(0x4018d742c0, 0x4010853d60)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:214 +0x8c
main.(*Proc).loop(0x4018d742c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0x168
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:307 +0x170c