Re: [Qemu-block] [PATCH 0/2] block: Fix gcc 7 warnings

[Alberto Garcia]

On Tue 13 Jun 2017 07:20:04 PM CEST, Max Reitz <address@hidden> wrote:
> blkdebug and blkverify use snprintf() to generate a filename; however,
> that may not fit into the target buffer (BDS.exact_filename). If so,
> they generate a truncated and thus pretty much unusable filename. In
> this case it's better to just not generate a filename at all (until we
> have better infrastructure which is not bound by a static buffer size).
>
> Also, gcc 7 warns about these snprintf() instances and these patches fix
> these warnings. There is another one in hw/usb/bus.c which is not
> addressed by this series.
>
> Max Reitz (2):
>   blkdebug: Catch bs->exact_filename overflow
>   blkverify: Catch bs->exact_filename overflow

Reviewed-by: Alberto Garcia <address@hidden>

Berto