r3 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/net/ipv4/vs/amemthresh\x00', 0x2, 0x0)
connect$inet(r3, &(0x7f0000000180)={0x2, 0x4e21, @multicast1}, 0x10)
panic: bad group arg size 48, should be <= 24 for &prog.GroupArg{ArgCommon:prog.ArgCommon{ref:0x2dc, dir:0x0}, Inner:[]prog.Arg{(*prog.GroupArg)(0x401ae212e0)}} type "array"

goroutine 26 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x4c7838, 0x401ae211e0}, 0x4011a4fac0, 0x40030e5d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:157 +0x5cc
github.com/google/syzkaller/prog.foreachArgImpl({0x4c7878, 0x40120ee8a0}, 0x4011a4fac0, 0x40030e5d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:164 +0x304
github.com/google/syzkaller/prog.ForeachArg(0x4011971f40, 0x40030e5d80)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:123 +0x130
github.com/google/syzkaller/prog.(*Prog).MutateWithHints(0x4011ea2a40, 0x2, 0x4011ecb5f0, 0x40030e5df8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/hints.go:78 +0x9c
main.(*Proc).executeHintSeed(0x401e3143c0, 0x4011ea2a40, 0x2)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:248 +0xf8
main.(*Proc).smashInput(0x401e3143c0, 0x4003767210)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:214 +0x8c
main.(*Proc).loop(0x401e3143c0)
	/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