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Message-ID: <000000000000b4f18805fa54b9f7@google.com>
Date:   Thu, 27 Apr 2023 10:31:23 -0700
From:   syzbot <syzbot+d79e205d463e603f47ff@...kaller.appspotmail.com>
To:     Liam.Howlett@...cle.com, akpm@...ux-foundation.org,
        david@...hat.com, gregkh@...uxfoundation.org,
        liam.howlett@...cle.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        tj@...nel.org
Subject: Re: [syzbot] [kernfs?] WARNING: suspicious RCU usage in mas_start

syzbot suspects this issue was fixed by commit:

commit 6db504ce55bdbc575723938fc480713c9183f6a2
Author: Liam R. Howlett <Liam.Howlett@...cle.com>
Date:   Wed Mar 8 22:03:10 2023 +0000

    mm/ksm: fix race with VMA iteration and mm_struct teardown

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1674715fc80000
start commit:   f3a2439f20d9 Merge tag 'rproc-v6.3' of git://git.kernel.or..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=dd442ddf29eaca0c
dashboard link: https://syzkaller.appspot.com/bug?extid=d79e205d463e603f47ff
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12cfaf1cc80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=149edbf0c80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: mm/ksm: fix race with VMA iteration and mm_struct teardown

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

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