Luca Coelho <luca@xxxxxxxxx> writes:
> On Sat, 2018-05-19 at 11:33 -0700, Eric Biggers wrote:
>> Hello,
>>
>> Using v4.17-rc5, on a laptop with an "Intel Corporation Wireless 3165
>> (rev 79)"
>> using the iwlwifi driver, I get a NULL pointer dereference
>> immediately after
>> boot. Apparently, the 'regdb' variable in net/wireless/reg.c is
>> NULL, yet
>> reg_query_regdb_wmm() is checking for IS_ERR(). It goes away if I
>> revert commit
>> 77e30e10ee28a5 ("iwlwifi: mvm: query regdb for wmm rule if
>> needed"). The
>> symbolized crash report is:
>>
>> BUG: unable to handle kernel NULL pointer dereference at
>> 000000000000000a
>
> Thanks for the report and analysis! Haim is working on a fix and I will
> send it out later today.
We are on -rc6 already and getting close to the final v4.17 release. I
wonder should we just revert 77e30e10ee28a5 for now?
--
Kalle Valo
