On Fri, 25 Oct 2019 01:27:07 -0700 syzbot <syzbot+742a9c5d4ab05d343c49@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > syzbot found the following crash on: > > HEAD commit: a6fcdcd9 Add linux-next specific files for 20191021 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=11145ed8e00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=32434321999f01e9 > dashboard link: https://syzkaller.appspot.com/bug?extid=742a9c5d4ab05d343c49 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > > Unfortunately, I don't have any reproducer for this crash yet. > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+742a9c5d4ab05d343c49@xxxxxxxxxxxxxxxxxxxxxxxxx > > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 1080 at mm/khugepaged.c:1643 Yup, thanks, this was addressed in v4: https://ozlabs.org/~akpm/mmotm/broken-out/mmthp-recheck-each-page-before-collapsing-file-thp-v4.patch
