Re: linux-next: not-present page at swap_vma_readahead()

Huang, Ying
2020-04-15T08:54:19Z

Qian Cai <cai@lca.pw> writes:

>> On Apr 14, 2020, at 10:01 PM, Huang, Ying <ying.huang@intel.com> wrote:
>>
>> Is it possible to bisect this?
>
> Yes, I’ll need to find a quick reproducer first by analyzing the fuzzer’s last logs.

Can you share the reproducer to me when it's available? Or the command
line you used to reproduce it now?

>>
>> Because the crash point is identified, it may be helpful to collect and
>> analyze the status of the faulting page table and readahead ptes. But I
>> am not familiar with the ARM64 architecture. So I cannot help much
>> here.
>
> It happens for x86 as well where the trace is in the first email of this thread.

Got it! Thanks!

Best Regards,
Huang, Ying