From: Miklos Szeredi <miklos@szeredi.hu>
To: Marios Makassikis <mmakassikis@freebox.fr>
Cc: linux-fsdevel@vger.kernel.org
Subject: Re: [BUG] KASAN: global-out-of-bounds in __fuse_write_file_get.isra.0+0x81/0xe0
Date: Mon, 22 Feb 2021 11:43:31 +0100 [thread overview]
Message-ID: <CAJfpegsJ0kWcGS1Si1dWHmpORKk3c7PUNO2tJdh3_W2YWmY5gg@mail.gmail.com> (raw)
In-Reply-To: <CAF6XXKWCwqSa72p+iQjg4QSBmAkX4Y5DxGrRR1tW1ar2uthd=w@mail.gmail.com>
On Sun, Feb 21, 2021 at 2:30 AM Marios Makassikis
<mmakassikis@freebox.fr> wrote:
>
> Hello,
>
> I hope this is the correct list to report this bug I've been seeing.
>
> Background: I am testing a kernel SMB server implementation
> ("ksmbd": https://github.com/cifsd-team/cifsd).
>
> As part of my tests, I tried having a Windows client store a backup on a SMB
> share that is backed by an NTFS formatted disk. In doing so, the kernel
> reports a BUG and locks up (either immediately, or after a few minutes).
Seems like fi->write_files list gets corrupted.
Is list debugging turned on?
Can you get a crashdump, and see if the rest of the fi structure is okay?
Thanks,
Miklos
next prev parent reply other threads:[~2021-02-22 10:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-21 1:26 [BUG] KASAN: global-out-of-bounds in __fuse_write_file_get.isra.0+0x81/0xe0 Marios Makassikis
2021-02-22 10:43 ` Miklos Szeredi [this message]
2021-02-26 11:14 ` Marios Makassikis
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