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    SubjectRe: Reminder: 3 open syzbot bugs in vhost subsystem
    On Wed, Jul 24, 2019 at 11:05:14AM +0800, Jason Wang wrote:
    > > --------------------------------------------------------------------------------
    > > Title: KASAN: use-after-free Write in tlb_finish_mmu
    > > Last occurred: 5 days ago
    > > Reported: 4 days ago
    > > Branches: Mainline
    > > Dashboard link: https://syzkaller.appspot.com/bug?id=d57b94f89e48c85ef7d95acc208209ea4bdc10de
    > > Original thread: https://lkml.kernel.org/lkml/00000000000045e7a1058e02458a@google.com/T/#u
    > >
    > > This bug has a syzkaller reproducer only.
    > >
    > > This bug was bisected to:
    > >
    > > commit 7f466032dc9e5a61217f22ea34b2df932786bbfc
    > > Author: Jason Wang <jasowang@redhat.com>
    > > Date: Fri May 24 08:12:18 2019 +0000
    > >
    > >   vhost: access vq metadata through kernel virtual address
    > >
    > > No one has replied to the original thread for this bug yet.
    > >
    > > If you fix this bug, please add the following tag to the commit:
    > > Reported-by: syzbot+8267e9af795434ffadad@syzkaller.appspotmail.com
    > >
    > > If you send any email or patch for this bug, please reply to the original
    > > thread. For the git send-email command to use, or tips on how to reply if the
    > > thread isn't in your mailbox, see the "Reply instructions" at
    > > https://lkml.kernel.org/r/00000000000045e7a1058e02458a@google.com
    > >
    > > --------------------------------------------------------------------------------
    > > Title: KASAN: use-after-free Read in finish_task_switch (2)
    > > Last occurred: 5 days ago
    > > Reported: 4 days ago
    > > Branches: Mainline
    > > Dashboard link: https://syzkaller.appspot.com/bug?id=9a98fcad6c8bd31f5c3afbdc6c75de9f082c0ffa
    > > Original thread: https://lkml.kernel.org/lkml/000000000000490679058e0245ee@google.com/T/#u
    > >
    > > This bug has a syzkaller reproducer only.
    > >
    > > This bug was bisected to:
    > >
    > > commit 7f466032dc9e5a61217f22ea34b2df932786bbfc
    > > Author: Jason Wang <jasowang@redhat.com>
    > > Date: Fri May 24 08:12:18 2019 +0000
    > >
    > >   vhost: access vq metadata through kernel virtual address
    > >
    > > No one has replied to the original thread for this bug yet.
    >
    >
    > Hi:
    >
    > We believe above two bugs are duplicated with the report "WARNING in
    > __mmdrop". Can I just dup them with
    >
    > #syz dup "WARNING in __mmdrop"
    >
    > (If yes, just wonder how syzbot differ bugs, technically, several different
    > bug can hit the same warning).
    >

    Yes, please mark them as duplicates; see https://goo.gl/tpsmEJ#status for
    correct syntax. You need to send the command to the syzbot email address
    specific to each bug. Easiest way is to reply to the original threads.

    - Eric

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