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
