panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0xf008b0]

goroutine 34 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x21f0980, 0xc003e39e00}, 0x12ccd20?, 0xc0054da000, 0xc003eb35e8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:165 +0x2b0
github.com/google/syzkaller/prog.ForeachArg(0xc0025cb4a0, 0xc003eb35e8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:146 +0x51
github.com/google/syzkaller/prog.(*execContext).writeCopyout(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:235
github.com/google/syzkaller/prog.(*execContext).serializeCall(0xc003eb3680, 0xc0025cb4a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:119 +0x4b5
github.com/google/syzkaller/prog.(*Prog).SerializeForExec(0xc000a0c740)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:78 +0x1ab
github.com/google/syzkaller/pkg/rpcserver.(*Runner).sendRequest(0xc0025c4540, 0xc0024a7ec0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:297 +0x22e
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0025c4540)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:182 +0x545
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc003deab40, {0x21ed940?, 0xc0024c9860?}, 0xc0025c4540)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:437 +0x196
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc003deab40, {0x21ed940, 0xc0024c9860}, 0xc0025c4540, 0xc0024c98b0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:360 +0x56a
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc003deab40, {0x21ed940, 0xc0024c9860}, 0xc0024c98b0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:322 +0x2ab
github.com/google/syzkaller/pkg/rpcserver.(*server).Serve.func1.1({0x21ed940?, 0xc0024c9860?}, 0x10?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:242 +0x31
github.com/google/syzkaller/pkg/flatrpc.(*Serv).Serve.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:78 +0x198
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/syzkaller/gopath/pkg/mod/golang.org/x/sync@v0.13.0/errgroup/errgroup.go:79 +0x50
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 29
	/syzkaller/gopath/pkg/mod/golang.org/x/sync@v0.13.0/errgroup/errgroup.go:76 +0x96