, 0xe4, "a62bf3a7e37886a5faef666f279e821c7704133008cda486510e5a0fc358e5c830ae55e64c002eeccca830b362f20b9634d2a47dedaeabc174d74df994e1c1893c4baf6431f17790bbc31c37ac04017c53a0cbe2a98d15a3ec01c7a638a1e1951321c257e97b869ec0334865de84f37ae3c3b26d4d28c5f5a2219b066fb7519f727e5324c01d9e13e1fdd1a88e99597a67991a0f769f71cbac02641dfaae85d68ec72d9e5ef780eb0dfed5d870afaf2d6bc4e0045f4b940da865d9856ed6533600138a1dc62fde52ad6849491e986b356efef3591d5d0065860a50049ced532d5212f12d"}, &(0x7f0000000600)={0x20, 0x3, 0x1, 0x5}})
panic: replaceArg: group fields don't match: 1/9

goroutine 11 [running]:
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f180?}, {0xe56770?, 0xc00095f5a0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:377 +0x425
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f140?}, {0xe56770?, 0xc00095f560?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f120?}, {0xe56770?, 0xc00095f540?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f100?}, {0xe56770?, 0xc00095f520?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f0e0?}, {0xe56770?, 0xc00095f500?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f0c0?}, {0xe56770?, 0xc00095f4e0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f0a0?}, {0xe56770?, 0xc00095f4c0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc00095f080?}, {0xe56770?, 0xc00095f4a0?})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345
github.com/google/syzkaller/prog.(*StructType).mutate(0x16d44a0, 0xc00095f200, 0xc00bba7b30, {0xe56770, 0xc00095f060?}, {0xc00bba7a98, {0x1db72e0, 0x4, 0x4}, 0xc00bd042a0, ...})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:490 +0x185
github.com/google/syzkaller/prog.(*Target).mutateArg(0x0?, 0xc00037eb20?, 0xc0015bddc8?, {0xe56770, 0xc00095f060}, {0xc00bba7a98, {0x1db72e0, 0x4, 0x4}, 0xc00bd042a0, ...}, ...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:245 +0xe2
github.com/google/syzkaller/prog.(*mutator).mutateArg(0xc0015bde48)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:196 +0x245
github.com/google/syzkaller/prog.(*Prog).Mutate(0xc00bbfdcc0, {0xe52aa8?, 0xc00169c0c0}, 0x1e, 0xc0016d4000, 0xc0000a3dd0, {0xc00159c000, 0x4b2, 0x500})
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:51 +0x2ba
main.(*Proc).loop(0xc0016d40c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:95 +0x365
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:336 +0x1665