Messages in this thread | | | Subject | Re: net/rfkill: WARNING in rfkill_fop_read | From | Johannes Berg <> | Date | Tue, 26 Jan 2016 11:08:08 +0100 |
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On Tue, 2016-01-26 at 10:55 +0100, Dmitry Vyukov wrote: > Hello, > > The following program triggers WARNING message in rfkill_fop_read: > > ------------[ cut here ]------------ > WARNING: CPU: 2 PID: 6975 at kernel/sched/core.c:7663 > __might_sleep+0x138/0x1a0() > do not call blocking ops when !TASK_RUNNING; state=1 set at > [<ffffffff81436e01>] prepare_to_wait_event+0x141/0x410 > kernel/sched/wait.c:210
> [< inline >] rfkill_readable net/rfkill/core.c:1102
Yeah, this should not acquire the mutex ... but luckily it's not a problem not to anyway, so it's easy to fix. Thanks! I'll send out a fix once I've tested it.
> // autogenerated by syzkaller (http://github.com/google/syzkaller)
gotta love the raw mmap etc. :)
johannes
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