From: Liam Howlett <liam.howlett@oracle.com>
To: syzbot <syzbot+68771c0e74f7bb7804e5@syzkaller.appspotmail.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"syzkaller-bugs@googlegroups.com"
<syzkaller-bugs@googlegroups.com>,
"willy@infradead.org" <willy@infradead.org>
Subject: Re: [syzbot] KASAN: use-after-free Read in __vma_adjust
Date: Wed, 15 Jun 2022 16:45:07 +0000 [thread overview]
Message-ID: <20220615164500.oxg3tbhr44jhbkz4@revolver> (raw)
In-Reply-To: <0000000000000d20dc05e14768b5@google.com>
* syzbot <syzbot+68771c0e74f7bb7804e5@syzkaller.appspotmail.com> [220612 18:08]:
> syzbot has bisected this issue to:
>
> commit d3ccd17e7c9647b956d415acdf3e3fde7ae9e20c
> Author: Liam R. Howlett <Liam.Howlett@Oracle.com>
> Date: Thu Jun 9 20:57:09 2022 +0000
>
> mm: start tracking VMAs with maple tree
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11463853f00000
> start commit: 6d0c80680317 Add linux-next specific files for 20220610
> git tree: linux-next
> final oops: https://syzkaller.appspot.com/x/report.txt?x=13463853f00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=15463853f00000
> kernel config: https://syzkaller.appspot.com/x/.config?x=a30d6e3e814e5931
> dashboard link: https://syzkaller.appspot.com/bug?extid=68771c0e74f7bb7804e5
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12e632bbf00000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=103df80ff00000
>
> Reported-by: syzbot+68771c0e74f7bb7804e5@syzkaller.appspotmail.com
> Fixes: d3ccd17e7c96 ("mm: start tracking VMAs with maple tree")
Thank you. This is a valid issue and I have sent a fix [1].
1. https://lore.kernel.org/linux-mm/20220615164150.652376-1-Liam.Howlett@oracle.com/
Regards,
Liam
prev parent reply other threads:[~2022-06-15 16:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-12 10:38 syzbot
2022-06-12 22:08 ` syzbot
2022-06-15 16:45 ` Liam Howlett [this message]
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