On 02/17/2020 09:20 AM, [email protected] wrote:
> Author: jorton
> Date: Mon Feb 17 08:20:52 2020
> New Revision: 1874102
>
> URL: http://svn.apache.org/viewvc?rev=1874102&view=rev
> Log:
> * modules/http/http_filters.c (parse_chunk_size): Reduce by four the
> limit to the number of bits that can be handled in a chunk size, to
> avoid undefined behaviour bitshifting a signed integer left. Max
> chunk size on 32-bit arch is now 32MiB. Avoids UBSan error in:
Why 32 MiB? 32 bit - 4 are 28 bit we should be able to store 256 MiB if read as
unsigned or 128 MiB signed.
Regards
Rüdiger
