From: Matthew Wilcox <willy@infradead.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+75397ee3df5c70164154@syzkaller.appspotmail.com>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
syzkaller-bugs@googlegroups.com,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: WARNING in kmem_cache_free
Date: Sat, 7 Apr 2018 23:01:40 -0700 [thread overview]
Message-ID: <20180408060140.GB16007@bombadil.infradead.org> (raw)
In-Reply-To: <CACT4Y+adiXih0-jfNGHgf1kEQ2=KLY5NdX-87BTDbrQgEAHc9g@mail.gmail.com>
On Fri, Apr 06, 2018 at 03:33:36PM +0200, Dmitry Vyukov wrote:
> On Fri, Apr 6, 2018 at 3:24 PM, syzbot
> <syzbot+75397ee3df5c70164154@syzkaller.appspotmail.com> wrote:
> > Unfortunately, I don't have any reproducer for this crash yet.
>
> Interesting type of bug, I think we see this for the first time.
Can you focus syzbot to try to find a reproducer? This seems to be
produced by calling mount() with a pathname that's somewhere between,
say, 3950 & 4100 bytes long from a compat 32-bit task.
next prev parent reply other threads:[~2018-04-08 6:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-06 13:24 WARNING in kmem_cache_free syzbot
2018-04-06 13:33 ` Dmitry Vyukov
2018-04-08 3:16 ` Use struct page for filename Matthew Wilcox
2018-04-08 4:42 ` Al Viro
2018-04-08 5:59 ` WARNING in kmem_cache_free Al Viro
2018-04-08 6:01 ` Matthew Wilcox [this message]
2018-04-08 10:26 ` Dmitry Vyukov
2018-04-08 11:18 ` Dmitry Vyukov
2018-04-08 15:31 ` Stephan Müller
2018-04-08 15:41 ` Dmitry Vyukov
2018-04-08 19:07 ` [PATCH] crypto: DRBG - guard uninstantion by lock Stephan Müller
2018-04-08 22:46 ` Theodore Y. Ts'o
2018-04-09 5:40 ` Stephan Mueller
2018-04-09 7:57 ` Dmitry Vyukov
2018-04-10 15:23 ` Dmitry Vyukov
2018-04-10 15:35 ` Stephan Mueller
2018-04-11 12:29 ` Dmitry Vyukov
2018-04-11 12:59 ` Stephan Mueller
2018-04-11 14:26 ` Stephan Müller
2018-04-11 14:31 ` [PATCH] crypto: drbg - set freed buffers to NULL Stephan Müller
2018-04-11 17:29 ` Eric Biggers
2018-04-12 6:40 ` Stephan Müller
2018-04-20 16:54 ` Herbert Xu
2018-04-11 17:09 ` [PATCH] crypto: DRBG - guard uninstantion by lock Dmitry Vyukov
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