panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x519b28]

goroutine 28 [running]:
fmt.(*pp).printArg(0xc002dc68f0, {0x13d88e0, 0x238b3a0}, 0x76)
	/usr/local/go/src/fmt/print.go:719 +0x408
fmt.(*pp).doPrintf(0xc002dc68f0, {0x177bf2c, 0x6}, {0xc002e1d680, 0x1, 0x1})
	/usr/local/go/src/fmt/print.go:1074 +0x37e
fmt.Fprintf({0x2331800, 0xc002c27260}, {0x177bf2c, 0x6}, {0xc002e1d680, 0x1, 0x1})
	/usr/local/go/src/fmt/print.go:224 +0x71
github.com/google/syzkaller/prog.(*serializer).printf(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:64
github.com/google/syzkaller/prog.(*serializer).call(0xc002c272c0, 0xc0025eb9f0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:76 +0xda
github.com/google/syzkaller/prog.(*Prog).serialize(0xc000ab6380, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:46 +0xd8
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecutingMessage(0xc0025fa0c0, 0xc00238f620)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:376 +0x217
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0025fa0c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x499
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc001307560, {0x23525d0?, 0xc0025ebcc0?}, 0xc0025fa0c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:439 +0x196
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc001307560, {0x23525d0, 0xc0025ebcc0}, 0xc0025fa0c0, 0xc0025ebd10)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:362 +0x54a
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc001307560, {0x23525d0, 0xc0025ebcc0}, 0xc0025ebd10)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:324 +0x2aa
github.com/google/syzkaller/pkg/rpcserver.(*server).Serve.func1.1({0x23525d0?, 0xc0025ebcc0?}, 0x6f6d207461657065?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:244 +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@v0.17.0/errgroup/errgroup.go:93 +0x50
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 10
	/syzkaller/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x93
Connection to 10.128.0.28 closed by remote host.