On Wed, 6 Jun 2018 06:22:25 +0900 Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote: > On 2018/06/06 5:03, Andrew Morton wrote: > > > > (switched to email. Please respond via emailed reply-to-all, not via the > > bugzilla web interface). > > > > On Tue, 05 Jun 2018 18:01:36 +0000 bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > > > >> https://bugzilla.kernel.org/show_bug.cgi?id=199931 > >> > >> Bug ID: 199931 > >> Summary: systemd/rtorrent file data corruption when using echo > >> 3 >/proc/sys/vm/drop_caches > > > > A long tale of woe here. Chris, do you think the pagecache corruption > > is a general thing, or is it possible that btrfs is contributing? > > According to timestamp of my testcases, I was observing corrupted-bytes issue upon OOM-kill > (without using btrfs) as of 2017 Aug 11. Thus, I don't think that this is specific to btrfs. > But I can't find which patch fixed this issue. That sounds different. Here, the corruption is caused by performing drop_caches, not by an oom-killing.
