Luca Coelho <[email protected]> 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
