r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = epoll_create(0x6)
epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r0, &(0x7f0000000040)={0x10000018})
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 11 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x8b4538, 0xc0160a2640}, 0xc0158b9340, 0xc001cc1d00)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:157 +0x5d9
github.com/google/syzkaller/prog.foreachArgImpl({0x8b4578, 0xc01052f380}, 0xc0158b9340, 0xc000985d00)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:164 +0x337
github.com/google/syzkaller/prog.ForeachArg(0xc00b1935e0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:123 +0x105
github.com/google/syzkaller/prog.(*Prog).MutateWithHints(0xc01a6c20c0, 0x0, 0xc00e5e4000, 0xc000985d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/hints.go:78 +0xaa
main.(*Proc).executeHintSeed(0xc01a6c20c0, 0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:248 +0xd2
main.(*Proc).smashInput(0xc01a6c20c0, 0xc01334efc0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:214 +0x88
main.(*Proc).loop(0xc01a6c20c0)
	/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