Re: 2.2 PATCH: check return from copy_*_user in fs/pipe.c

[David S. Miller]

Zack Weinberg writes:
 > The anonymous pipe code in 2.2 does not check the return value of
 > copy_*_user.  This can lead to silent loss of data.

I remember Andrew Tridgell (cc:'d) spotting this a long time
ago, and we didn't fix it, and I forget what the reason was.

Andrew?

Later,
David S. Miller
[e-mail]