[Bug 133286] dd can fill system memory

[John D. Hendrickson and Sara Darnell]

bugzilla-noreply at freebsd.org wrote:
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=133286
> 
> yaneurabeya at gmail.com changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |yaneurabeya at gmail.com
> 
> --- Comment #5 from yaneurabeya at gmail.com ---
> (Just a "drive-by" comment)
> It might be a good idea to do add iflags/oflags for Linux compatibility; they
> have an iflags=direct/oflags=direct option, as well as other interesting
> options for tweaking O_APPEND, O_NONBLOCK, and other O_* flags:
> https://www.gnu.org/software/coreutils/manual/html_node/dd-invocation.html
> 

so will break software and scripts (or printed books) using dd(1) ?

if such a binary is on a rescue disk that may float around, what 
will the hangups be of not being able to use dd(1) due to versional 
tweeks ?