Re: UBSAN: shift-out-of-bounds in get_init_ra_size()

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On 21/10/2020 13:16, David Sterba wrote:
> On Wed, Oct 21, 2020 at 10:57:02AM +0000, Johannes Thumshirn wrote:
>> Hi Willy,
>>
>> I've encountered a USBSN [1] splat when running xfstests (hit it with generic/091)
>> on the latest iteration of our btrfs-zoned patchset.
> 
> This first showed up with btrfs' dio-iomap switch
> (https://github.com/btrfs/fstests/issues/5) so it's not related to the
> zoned patches.
> 

Ah ok, but it seems to be btrfs specific then (not readahead). So no 
need to bother Willy then.

Thanks




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