Re: [BUG] KASAN: global-out-of-bounds in __fuse_write_file_get.isra.0+0x81/0xe0

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On Sun, Feb 21, 2021 at 2:30 AM Marios Makassikis
<mmakassikis@xxxxxxxxxx> 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



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