Messages in this thread | | | From | Kees Cook <> | Date | Wed, 7 Feb 2018 06:16:51 +1100 | Subject | Re: WARNING: bad usercopy in put_cmsg |
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On Wed, Feb 7, 2018 at 4:33 AM, Dmitry Vyukov <dvyukov@google.com> wrote: > On Tue, Feb 6, 2018 at 6:31 PM, syzbot > <syzbot+c4dcac91687a29cbae15@syzkaller.appspotmail.com> wrote: >> Hello, >> >> syzbot hit the following crash on upstream commit >> e237f98a9c134c3d600353f21e07db915516875b (Mon Feb 5 21:35:56 2018 +0000) >> Merge tag 'xfs-4.16-merge-5' of >> git://git.kernel.org/pub/scm/fs/xfs/xfs-linux >> >> So far this crash happened 8 times on net-next, upstream. >> C reproducer is attached. >> syzkaller reproducer is attached. >> Raw console output is attached. >> compiler: gcc (GCC) 7.1.1 20170620 >> .config is attached. > > #syz dup: WARNING in usercopy_warn > > Let's make that one the main copy, since Kees is already looking at it.
This one has a more descriptive subject, can we dup towards this one? Whatever the case, yup, still working on it.
-Kees
-- Kees Cook Pixel Security
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