From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: syzbot <syzbot+b437b5a429d680cf2217@syzkaller.appspotmail.com>
Cc: akpm@linux-foundation.org, darrick.wong@oracle.com,
hannes@cmpxchg.org, hughd@google.com, jack@suse.cz,
josef@toxicpanda.com, jrdr.linux@gmail.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com,
willy@infradead.org
Subject: Re: KASAN: use-after-free Read in filemap_fault
Date: Sat, 29 Dec 2018 01:01:52 +0300 [thread overview]
Message-ID: <20181228220152.wkeslziuovnunvwk@kshutemo-mobl1> (raw)
In-Reply-To: <000000000000b57d19057e1b383d@google.com>
On Fri, Dec 28, 2018 at 12:51:04PM -0800, syzbot wrote:
> Allocated by task 8196:
...
> Freed by task 8197:
Hm. VMA allocated by one process (I don't see threads in the test case)
gets freed by another one. Looks fishy to me.
--
Kirill A. Shutemov
next prev parent reply other threads:[~2018-12-28 22:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-28 20:51 KASAN: use-after-free Read in filemap_fault syzbot
2018-12-28 20:51 ` syzbot
2018-12-28 21:09 ` Andrew Morton
2018-12-28 23:51 ` Kirill A. Shutemov
2018-12-29 6:38 ` Dmitry Vyukov
2018-12-29 6:38 ` Dmitry Vyukov
2018-12-28 22:01 ` Kirill A. Shutemov [this message]
2018-12-28 22:08 ` Kirill A. Shutemov
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