Re: net/atm: vcc_sendmsg calls kmem_cache_alloc in non-blocking context

2017-02-28 Thread Eric Dumazet
On Tue, Feb 28, 2017 at 7:26 AM, Dmitry Vyukov wrote: > Hello, > > I've got the following WARNING while running syzkaller fuzzer: > > [ cut here ] > WARNING: CPU: 0 PID: 9197 at kernel/sched/core.c:6149 > __might_sleep+0x149/0x1a0 kernel/sched/core.c:6144 > do not call bloc

net/atm: vcc_sendmsg calls kmem_cache_alloc in non-blocking context

2017-02-28 Thread Dmitry Vyukov
Hello, I've got the following WARNING while running syzkaller fuzzer: [ cut here ] WARNING: CPU: 0 PID: 9197 at kernel/sched/core.c:6149 __might_sleep+0x149/0x1a0 kernel/sched/core.c:6144 do not call blocking ops when !TASK_RUNNING; state=1 set at [] prepare_to_wait+0x182/