panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x121b673]

goroutine 21 [running]:
github.com/google/syzkaller/pkg/rpcserver.(*LastExecuting).Note(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/last_executing.go:43
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecutingMessage(0xc0022a5500, 0xc00413e660)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:384 +0x333
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0022a5500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x499
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc00128d440, {0x22b7950?, 0xc004200050?}, 0xc0022a5500)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:437 +0x196
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc00128d440, {0x22b7950, 0xc004200050}, 0xc0022a5500, 0xc0042000a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:360 +0x54a
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc00128d440, {0x22b7950, 0xc004200050}, 0xc0042000a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:322 +0x2aa
github.com/google/syzkaller/pkg/rpcserver.(*server).Serve.func1.1({0x22b7950?, 0xc004200050?}, 0x0?)
	/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@v0.16.0/errgroup/errgroup.go:93 +0x50
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 15
	/syzkaller/gopath/pkg/mod/golang.org/x/sync@v0.16.0/errgroup/errgroup.go:78 +0x93