Messages in this thread | | | Subject | Re: BUG: unable to handle kernel NULL pointer dereference in mem_serial_out | From | Tetsuo Handa <> | Date | Fri, 13 Dec 2019 23:31:08 +0900 |
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On 2019/12/13 19:00, Dmitry Vyukov wrote: > Easier said than done. "normal user of the serial port" is not really > a thing in Linux, right? You either have CAP_SYS_ADMIN or not, that's > not per-device... > As far as I remember +Tetsuo proposed a config along the lines of > "restrict only things that legitimately cause damage under a fuzzer > workload", e.g. freezing filesystems, disabling console output, etc. > This may be another candidate. But I can't find where that proposal is > now.
That suggestion got no response for two months.
https://lkml.kernel.org/r/3e4e2b6b-7828-54ab-cf28-db1a396d7e20@i-love.sakura.ne.jp
Unless we add such kernel config option to upstream kernels, it will become a whack-a-mole game.
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