ioctl$EVIOCGRAB(r4, 0x40044590, &(0x7f0000002ac0)=0x4) (async) ioctl$EVIOCGID(r4, 0x80084502, &(0x7f0000002b00)=""/13) ioctl$EVIOCGABS0(r1, 0x80184540, &(0x7f0000002b40)=""/169) (async) ioctl$EVIOCSCLOCKID(0xffffffffffffffff, 0x400445a0, &(0x7f0000002c40)=0x8001) panic: replaceArg: group fields don't match: 2/0 goroutine 11 [running]: github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d17e0?}, {0xe56770?, 0xc0005d1ac0?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:377 +0x425 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d17a0?}, {0xe56770?, 0xc0005d1a80?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d1780?}, {0xe56770?, 0xc0005d1a60?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d1760?}, {0xe56770?, 0xc0005d1a40?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d1740?}, {0xe56770?, 0xc0005d1a20?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d1720?}, {0xe56770?, 0xc0005d1a00?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d1700?}, {0xe56770?, 0xc0005d19e0?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.replaceArg({0xe56770?, 0xc0005d16e0?}, {0xe56770?, 0xc0005d19c0?}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:382 +0x345 github.com/google/syzkaller/prog.(*StructType).mutate(0x16d44a0, 0xc0005d18e0, 0xc000b14b40, {0xe56770, 0xc0005d16c0?}, {0xc000b14a08, {0x1db72e0, 0x4, 0x4}, 0xc000ad5f80, ...}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:490 +0x185 github.com/google/syzkaller/prog.(*Target).mutateArg(0x0?, 0x0?, 0x10084fdc8?, {0xe56770, 0xc0005d16c0}, {0xc000b14a08, {0x1db72e0, 0x4, 0x4}, 0xc000ad5f80, ...}, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:245 +0xe2 github.com/google/syzkaller/prog.(*mutator).mutateArg(0xc000b79e48) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:196 +0x245 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc000b7fe40, {0xe52aa8?, 0xc000aca0c0}, 0x1e, 0xc001358000, 0xc00007ae40, {0xc000d34000, 0x421, 0x500}) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:51 +0x2ba main.(*Proc).loop(0xc000e6ef40) /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