syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000100)='./file0\x00', 0x8100000, 0x3, &(0x7f0000000300)=[{&(0x7f0000000080)="200000006300000005000025ce000b000f00c00c110000000000000000000000002000000020000220001f00d7f4655fd7f4655f0100ffff53ef270000408000d7f4655f000000000100000001000005000000000b00000080", 0x59, 0x400}, {&(0x7f0000010400)="2e000000130000", 0x7, 0x800}, {&(0x7f0000012b00)="ed41000000040000d7f4655fd7f4655fd7f4655f000000000000", 0x1a, 0x8c80}], 0x0, &(0x7f0000013800), 0x0)
panic: bad group arg size 72, should be <= 0 for &prog.GroupArg{ArgCommon:prog.ArgCommon{ref:0x2de, dir:0x0}, Inner:[]prog.Arg{}} type "array"

goroutine 16 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x8b44d8, 0xc022b7ae60}, 0xc00f1d3100, 0xc00bde9d00)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:157 +0x5d9
github.com/google/syzkaller/prog.foreachArgImpl({0x8b4518, 0xc00f2818f0}, 0xc00f1d3100, 0xc00bde9d00)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:164 +0x337
github.com/google/syzkaller/prog.ForeachArg(0xc00efe8640, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:123 +0x105
github.com/google/syzkaller/prog.(*Prog).MutateWithHints(0xc0255b61c0, 0x0, 0xc00efebd40, 0xc00bde9d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/hints.go:78 +0xaa
main.(*Proc).executeHintSeed(0xc0255b61c0, 0x1190, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:248 +0xd2
main.(*Proc).smashInput(0xc0255b61c0, 0xc021d953f0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:214 +0x88
main.(*Proc).loop(0xc0255b61c0)
	/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:310 +0x15e5