Re: null-ptr deref found in netfs code

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Shyam Prasad N <nspmangalore@xxxxxxxxx> wrote:

> >> netfs: R=00005a08[a] s=2600000-29fffff ctl=200000/400000/400000 sl=5
> But based on the OOPS that I attached in my last email, slot number is
> 5, which explains why folio at that slot is NULL.
> 
> I don't understand the donation logic well enough to understand why
> slot could have overflowed like this. Maybe you can?

Can you get a trace with the following tracepoints turned on:

netfs_read
netfs_rreq
netfs_sreq
netfs_donate

Thanks,
David





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