ioctl$USBDEVFS_SETINTERFACE(r0, 0x80045510, &(0x7f0000001200)={0xfffffffc, 0x20000})
ioctl$USBDEVFS_IOCTL(r0, 0xc0105512, &(0x7f0000000040)=@usbdevfs_disconnect={0x1})
panic: bad group arg size 48, should be <= 24 for &prog.GroupArg{ArgCommon:prog.ArgCommon{ref:0x2dc, dir:0x0}, Inner:[]prog.Arg{(*prog.GroupArg)(0x40180e7120)}} type "array"

goroutine 27 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x4c7838, 0x40180e6f40}, 0x40191b3ac0, 0x4020dbdd80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:157 +0x5cc
github.com/google/syzkaller/prog.foreachArgImpl({0x4c7878, 0x400723c330}, 0x40191b3ac0, 0x4000091d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:164 +0x304
github.com/google/syzkaller/prog.ForeachArg(0x40018cb4f0, 0x4020dbdd80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:123 +0x130
github.com/google/syzkaller/prog.(*Prog).MutateWithHints(0x4015bd4300, 0x0, 0x401fe6f8c0, 0x4000091df8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/hints.go:78 +0x9c
main.(*Proc).executeHintSeed(0x40199c4100, 0x4015bd4300, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:248 +0xf8
main.(*Proc).smashInput(0x40199c4100, 0x401ea1a2a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:214 +0x8c
main.(*Proc).loop(0x40199c4100)
	/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