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.
--
Cheers,
Luca.
