[openssl-users] openssl cms -decrypt failing due to malloc(3) failure

Christian Böhme christian.boehme at cloudandheat.com
Mon Jul 30 08:57:18 UTC 2018

On 28.07.2018 22:27, Salz, Rich via openssl-users wrote:

>>    It would appear that both commands fail due to them being unable to
>     allocate more memory to slurp the rest of the input file's contents into.
>     Is this intentional behaviour?
> It is a known issue.

What's the reason for using malloc(3) in the first place?  Is this a limitation
of the library or just  openssl cms ?

For the latter, if the argument to  -in  can be determined to resolve to a file
descriptor of a regular file, the file's contents can be /very/ conveniently mmap(2)'ed
into the process' address space, ignoring possible limits.


*Christian Böhme*

Developer System Integration


*CLOUD & HEAT Technologies GmbH*
Königsbrücker Str. 96 (Halle 15) | 01099 Dresden
Tel: +49 351 479 3670 - 100
Fax: +49 351 479 3670 - 110
E-Mail: christian.boehme at cloudandheat.com <mailto:christian.boehme at cloudandheat.com>
Web: https://www.cloudandheat.com <https://www.cloudandheat.com>

Handelsregister: Amtsgericht Dresden
Registernummer: HRB 30549
USt.-Ident.-Nr.: DE281093504
Geschäftsführer: Nicolas Röhrs

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 533 bytes
Desc: OpenPGP digital signature
URL: <http://mta.openssl.org/pipermail/openssl-users/attachments/20180730/e98a17b9/attachment.sig>

More information about the openssl-users mailing list