Re: sound: deadlock snd_rawmidi_kernel_open/check_and_subscribe_port

2016-08-30 Thread Dmitry Vyukov
On Tue, Aug 30, 2016 at 3:49 PM, Takashi Iwai wrote: > On Mon, 22 Aug 2016 11:21:30 +0200, > Takashi Iwai wrote: >> >> On Mon, 22 Aug 2016 02:15:48 +0200, >> Dmitry Vyukov wrote: >> > >> > On Sat, Aug 13, 2016 at 2:43 PM, Dmitry Vyukov wrote: >> > > Hello, >> > > >> > > While running syzkaller fu

Re: sound: deadlock snd_rawmidi_kernel_open/check_and_subscribe_port

2016-08-30 Thread Takashi Iwai
On Mon, 22 Aug 2016 11:21:30 +0200, Takashi Iwai wrote: > > On Mon, 22 Aug 2016 02:15:48 +0200, > Dmitry Vyukov wrote: > > > > On Sat, Aug 13, 2016 at 2:43 PM, Dmitry Vyukov wrote: > > > Hello, > > > > > > While running syzkaller fuzzer on > > > f31494bd05b06b0cdb4da6aebe92eaafab970df6 (Aug 12),

Re: sound: deadlock snd_rawmidi_kernel_open/check_and_subscribe_port

2016-08-22 Thread Takashi Iwai
On Mon, 22 Aug 2016 02:15:48 +0200, Dmitry Vyukov wrote: > > On Sat, Aug 13, 2016 at 2:43 PM, Dmitry Vyukov wrote: > > Hello, > > > > While running syzkaller fuzzer on > > f31494bd05b06b0cdb4da6aebe92eaafab970df6 (Aug 12), I've got the > > following deadlock report: > > > > ==

Re: sound: deadlock snd_rawmidi_kernel_open/check_and_subscribe_port

2016-08-21 Thread Dmitry Vyukov
On Sat, Aug 13, 2016 at 2:43 PM, Dmitry Vyukov wrote: > Hello, > > While running syzkaller fuzzer on > f31494bd05b06b0cdb4da6aebe92eaafab970df6 (Aug 12), I've got the > following deadlock report: > > == > [ INFO: possible circular locking depende

sound: deadlock snd_rawmidi_kernel_open/check_and_subscribe_port

2016-08-14 Thread Dmitry Vyukov
Hello, While running syzkaller fuzzer on f31494bd05b06b0cdb4da6aebe92eaafab970df6 (Aug 12), I've got the following deadlock report: == [ INFO: possible circular locking dependency detected ] 4.8.0-rc1+ #11 Not tainted ---