Messages in this thread | | | Date | Thu, 4 Apr 2019 19:32:00 +0200 | From | "" <> | Subject | Re: [PATCH 5.0 047/246] fs: Make splice() and tee() take into account O_NONBLOCK flag on pipes |
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On Thu, Apr 04, 2019 at 04:16:57PM +0000, Slavomir Kaslev wrote: > On Thu, 2019-04-04 at 10:45 +0200, Greg Kroah-Hartman wrote: > > 5.0-stable review patch. If anyone has any objections, please let me > > know. > > > > ------------------ > > > > [ Upstream commit ee5e001196d1345b8fee25925ff5f1d67936081e ] > > > > The current implementation of splice() and tee() ignores O_NONBLOCK > > set > > on pipe file descriptors and checks only the SPLICE_F_NONBLOCK flag > > for > > blocking on pipe arguments. This is inconsistent since splice()-ing > > from/to non-pipe file descriptors does take O_NONBLOCK into > > consideration. > > > > Fix this by promoting O_NONBLOCK, when set on a pipe, to > > SPLICE_F_NONBLOCK. > > [...] > > > This change does have potential of breaking users who don't expect > > EAGAIN from splice() when SPLICE_F_NONBLOCK is not set. OTOH > > programs > > that set O_NONBLOCK and don't anticipate EAGAIN are arguably > > buggy[2]. > > Hi Greg, > > Can you drop this one from the stable queues? We discussed it with > Sasha[1] already in the autosel patches thread. > > [1] https://lkml.org/lkml/2019/4/3/811
Dropped from everywhere now.
Sasha, how did this still get in?
greg k-h
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