Andrew Morton <a...@linux-foundation.org> wrote: > On Thu, 8 Oct 2020 07:17:18 +0000 linmiaohe <linmia...@huawei.com> wrote: > >> Andrew Morton <a...@linux-foundation.org> wrote: >> > On Wed, 16 Sep 2020 05:07:33 -0400 Miaohe Lin <linmia...@huawei.com> wrote: >> > >> >> The syzbot reported the below general protection fault: >> >> > >> >is this using the correct file? I think it is, but please do check. >> > >> >> Many thanks for your reply. >> >> Yes, I think so too. We do deny_write_access and mapping_map_writable on >> @file, so we should undo all of this on @file. >> Since @file is unchanged over the second vma_merge() time, we'are using the >> correct @file to undo our temporary denial count. >> >> But how should I check this explicitly ? I can't find out a way to do this. >> Could you please figure it out for me? > >I meant "please check (review) the code as it now is", not "please add a >check" ;) >
Oh, I see. I have reviewed the code carefully. The @file should be right one as I explained in previous email. ;) Have a good day! ^_^