socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000029c0)={<r13=>0xffffffffffffffff, <r14=>0xffffffffffffffff})
close(r14)
recvmsg$unix(r13, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@rights={{0x14, 0x1, 0x1, [<r15=>0xffffffffffffffff]}}], 0x18}, 0x0)
write$cgroup_subtree(r15, 0x0, 0xfdef)
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x413aae]

goroutine 29 [running]:
github.com/google/syzkaller/pkg/signal.Signal.DiffRaw(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/signal/signal.go:121
github.com/google/syzkaller/pkg/fuzzer.(*Cover).addRawMaxSignal(0xc0000941e0, {0xc017b3bb80, 0x157, 0xe5ca40?}, 0x3)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/fuzzer/cover.go:29 +0xea
github.com/google/syzkaller/pkg/fuzzer.(*Fuzzer).triageProgCall(0xc000484b40, 0xc02304ac40, 0xc00b5b5ec0, 0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/fuzzer/fuzzer.go:138 +0x85
github.com/google/syzkaller/pkg/fuzzer.(*Fuzzer).Done(0xc000484b40, 0xc02304ad00, 0xc005a4f4a0Connection to 10.128.1.170 closed by remote host.