linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Mike Kravetz <mike.kravetz@oracle.com>
To: syzbot <syzbot+7423f066b632d9ff23d5@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, llvm@lists.linux.dev, muchun.song@linux.dev,
	nathan@kernel.org, ndesaulniers@google.com,
	syzkaller-bugs@googlegroups.com, trix@redhat.com,
	willy@infradead.org
Subject: Re: [syzbot] [mm?] kernel BUG in free_unref_page_prepare
Date: Tue, 22 Aug 2023 10:25:13 -0700	[thread overview]
Message-ID: <20230822172513.GB4509@monkey> (raw)
In-Reply-To: <0000000000001f4d4806037fc7b8@google.com>

On 08/22/23 02:39, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    7271b2a53042 Add linux-next specific files for 20230818
> git tree:       linux-next
> console+strace: https://syzkaller.appspot.com/x/log.txt?x=119dbe4ba80000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=1936af09cdef7dd6
> dashboard link: https://syzkaller.appspot.com/bug?extid=7423f066b632d9ff23d5
> 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=112386f3a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15044717a80000
> 
> Downloadable assets:
> disk image: https://storage.googleapis.com/syzbot-assets/d81109bc02c1/disk-7271b2a5.raw.xz
> vmlinux: https://storage.googleapis.com/syzbot-assets/4b3bf8e2a4f7/vmlinux-7271b2a5.xz
> kernel image: https://storage.googleapis.com/syzbot-assets/6404cd473c1e/bzImage-7271b2a5.xz
> 
> IMPORTANT: if you fix the issue, please add the following tag to the commit:
> Reported-by: syzbot+7423f066b632d9ff23d5@syzkaller.appspotmail.com

Looks to be caused by Matthew's series "Remove _folio_dtor and _folio_order"
It has already been noted that this series caused issues.

-- 
Mike Kravetz


           reply	other threads:[~2023-08-22 17:25 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
 [parent not found: <0000000000001f4d4806037fc7b8@google.com>]

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=20230822172513.GB4509@monkey \
    --to=mike.kravetz@oracle.com \
    --cc=akpm@linux-foundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=llvm@lists.linux.dev \
    --cc=muchun.song@linux.dev \
    --cc=nathan@kernel.org \
    --cc=ndesaulniers@google.com \
    --cc=syzbot+7423f066b632d9ff23d5@syzkaller.appspotmail.com \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=trix@redhat.com \
    --cc=willy@infradead.org \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox