All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sean Christopherson <seanjc@google.com>
To: syzbot <syzbot+81227d2bd69e9dedb802@syzkaller.appspotmail.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	pbonzini@redhat.com,  syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [kvm?] WARNING in kvm_mmu_notifier_change_pte
Date: Fri, 9 Feb 2024 13:07:20 -0800	[thread overview]
Message-ID: <ZcaUCPka_WL4ruTq@google.com> (raw)
In-Reply-To: <000000000000f6d051060c6785bc@google.com>

On Wed, Dec 13, 2023, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    f2e8a57ee903 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=14fdc732e80000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e56083f7dbe162c2
> dashboard link: https://syzkaller.appspot.com/bug?extid=81227d2bd69e9dedb802
> compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=129d09cae80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10b8afeee80000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/7b75e59fc59d/disk-f2e8a57e.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/f853580d61be/vmlinux-f2e8a57e.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/8c893ce02e2c/bzImage-f2e8a57e.xz
> 
> Bisection is inconclusive: the first bad commit could be any of:
> 
> d61ea1cb0095 userfaultfd: UFFD_FEATURE_WP_ASYNC
> 52526ca7fdb9 fs/proc/task_mmu: implement IOCTL to get and optionally clear info about PTEs

#syz fix: fs/proc/task_mmu: move mmu notification mechanism inside mm lock

      parent reply	other threads:[~2024-02-09 21:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-13 17:30 [syzbot] [kvm?] WARNING in kvm_mmu_notifier_change_pte syzbot
2024-01-05 19:06 ` Sean Christopherson
2024-02-09 21:07 ` Sean Christopherson [this message]

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 \
    --in-reply-to=ZcaUCPka_WL4ruTq@google.com \
    --to=seanjc@google.com \
    --cc=kvm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pbonzini@redhat.com \
    --cc=syzbot+81227d2bd69e9dedb802@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.