setsockopt$inet6_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000003640)={@in6={{0xa, 0x0, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}}, 0x0, 0x0, 0xb, 0x0, "55c03a88cd9efb99f0c17f9c4c74dcd723feb91a01ba2010116a8f4b6ee6f91b3075b06618b54643483981f2b9a46786fa1ba67bc97a02d6b0b4d20c606a80f0ab44c1c34686f5515a56b38147f0a9da"}, 0xd8) (async)
setsockopt$inet6_tcp_int(r0, 0x6, 0x2000000000000020, &(0x7f0000000040)=0xa, 0x1959cc36) (async)
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x413aae]

goroutine 25 [running]:
github.com/google/syzkaller/pkg/signal.Signal.DiffRaw(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/signal/signal.go:121
main.(*Fuzzer).checkNewCallSignal(0xc0004fe300, 0xc0155b7c88?, 0xc0155b7c90, 0xe4c268?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:622 +0xbf
main.(*Fuzzer).checkNewSignal(0xc0004fe300, 0x0?, 0xc00dc21d40)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:613 +0x15b
main.(*Proc).execute(0xc010be2540, 0xc00de18b90?, 0xb?, 0xc?, 0xc0155b7f38?, 0x1?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:265 +0x110
main.(*Proc).executeAndCollide(0xc010be2540, 0xbb97db?, 0xc00d28f950?, 0xc0155b7f38?, 0xc010be2340?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:290 +0x25
main.(*Proc).loop(0xc010be2540)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:97 +0x3d7
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:336 +0x1665