Re: Fwd: Negation overflow in readelf.c

[Nick Clifton]

Hi Dingbao,

> If you build binutils-2.25 with ubsan (require gcc-4.9 or clang-3.3)
> and execute command: readelf -a test_file (test files are in the
> attachment).
>
> You will see 3 runtime errors:
> readelf.c:1543:39: runtime error: negation of -9223372036854775808 cannot
> be represented in type 'bfd_signed_vma' (aka 'long'); cast to an unsigned
> type to negate this value to itself
> readelf.c:1555:36: runtime error: negation of -9223372036854775808 cannot
> be represented in type 'bfd_signed_vma' (aka 'long'); cast to an unsigned
> type to negate this value to itself
> readelf.c:8374:39: runtime error: signed integer overflow: 8521 -
> -9223372036854775112 cannot be represented in type 'long'

I believe that these are all fixed with the mainline sources.  Please 
could you check and confirm this ?

Cheers
  Nick