Oops sorry, I failed to write the subject. It should been something like the subject of this e-mail. > -----Original Message----- > From: stable-owner@xxxxxxxxxxxxxxx [mailto:stable-owner@xxxxxxxxxxxxxxx] On > Behalf Of Daniel Sangorrin > Sent: Friday, May 18, 2018 9:59 AM > To: stable@xxxxxxxxxxxxxxx > Cc: mtk.manpages@xxxxxxxxx; viro@xxxxxxxxxxxxxxxxxx > Subject: > > Hello Greg, > > After running LTP with Fuego on the LTS kernel 4.4.y, there were > a few test cases failing that I thought needed some investigation. > > I reviewed the first one (fcntl35 and fcntl35_64) so far. According to the > comments on LTP's fcntl35.c file (by Xiao Yang <yangx.jy@xxxxxxxxxxxxxx>) > the bug tested by this test case was fixed by: > pipe: cap initial pipe capacity according to pipe-max-size > commit 086e774a57fba4695f14383c0818994c0b31da7c > Author: Michael Kerrisk (man-pages) <mtk.manpages@xxxxxxxxx> > Date: Tue Oct 11 13:53:43 2016 -0700 > > I backported that patch (see next e-mail), tested again and confirmed that > the patch fixed the bug (or at least the error message in LTP's test). > > Before: > fcntl35.c:98: FAIL: an unprivileged user init the capacity of a pipe to 65536 > unexpectedly, expected 4096 > After: > fcntl35.c:101: PASS: an unprivileged user init the capacity of a pipe to 4096 > successfully > > Thanks, > Daniel Sangorrin >