From: linmiaohe <firstname.lastname@example.org> To: Andrew Morton <email@example.com> Cc: "firstname.lastname@example.org" <email@example.com>, "firstname.lastname@example.org" <email@example.com> Subject: Re: [PATCH] mm: mmap: Fix general protection fault in unlink_file_vma() Date: Fri, 9 Oct 2020 06:39:04 +0000 [thread overview] Message-ID: <firstname.lastname@example.org> (raw) Andrew Morton <email@example.com> wrote: > On Thu, 8 Oct 2020 07:17:18 +0000 linmiaohe <firstname.lastname@example.org> wrote: > >> Andrew Morton <email@example.com> wrote: >> > On Wed, 16 Sep 2020 05:07:33 -0400 Miaohe Lin <firstname.lastname@example.org> 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! ^_^
next reply other threads:[~2020-10-09 6:39 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-09 6:39 linmiaohe [this message] -- strict thread matches above, loose matches on Subject: below -- 2020-10-08 7:17 linmiaohe 2020-10-09 4:23 ` Andrew Morton 2020-10-07 2:51 linmiaohe 2020-09-16 9:07 Miaohe Lin 2020-10-07 19:04 ` Andrew Morton
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --email@example.com \ --firstname.lastname@example.org \ --email@example.com \ --firstname.lastname@example.org \ --email@example.com \ --subject='Re: [PATCH] mm: mmap: Fix general protection fault in unlink_file_vma()' \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).