>> > Check if alloc_percpu returns NULL.
>> >
>> > This was found by syzkaller both on x86 and powerpc, and the reproducer
>> > it found on powerpc is capable of hitting the issue as an unprivileged
>> > user.
>> >
>> > Fixes: 017c59c042d0 ("relay: Use per CPU constructs for the relay channel
>> > buffer pointers")
>> > Reported-by: [email protected]
>> > Reported-by: [email protected]
>> > Reported-by: [email protected]
>> > Reported-by: [email protected]
>> > Cc: Akash Goel <[email protected]>
>> > Cc: Andrew Donnellan <[email protected]> # syzkaller-ppc64
>> > Reviewed-by: Michael Ellerman <[email protected]>
>> > Reviewed-by: Andrew Donnellan <[email protected]>
>> > Cc: [email protected] # v4.10+
>> > Signed-off-by: Daniel Axtens <[email protected]>
>>
>> Acked-by: David Rientjes <[email protected]>
>
> It looks this one was never applied (which relates to CVE-2019-19462,
> as pointed by Guenter in [email protected]).
>
> Whas this lost or are there any issues pending?
I'm not aware of any pending issues.
(But, if anyone does have any objections I'm happy to revise the patch.)
Regards,
Daniel
