Re: WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

2019-07-30 Thread Alan Stern
On Tue, 23 Jul 2019, Andrey Konovalov wrote: > On Sat, Jul 20, 2019 at 4:14 PM Hillf Danton wrote: > > Wow it finally comes up at the third time with sound/usb/quirks.c:999 > > tippointing to commit 801ebf1043ae ("ALSA: usb-audio: Sanity checks > > for each pipe and EP types"). > > > > That comm

Re: WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

2019-07-24 Thread Takashi Iwai
On Wed, 24 Jul 2019 15:33:21 +0200, Andrey Konovalov wrote: > > On Wed, Jul 24, 2019 at 3:15 PM Takashi Iwai wrote: > > > > On Tue, 23 Jul 2019 19:03:29 +0200, > > Andrey Konovalov wrote: > > > > > > (Takashi, with your helper check syzkaller now generates a new bug > > > report (not reported by

Re: WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

2019-07-24 Thread Andrey Konovalov
On Wed, Jul 24, 2019 at 3:15 PM Takashi Iwai wrote: > > On Tue, 23 Jul 2019 19:03:29 +0200, > Andrey Konovalov wrote: > > > > (Takashi, with your helper check syzkaller now generates a new bug > > report (not reported by syzbot yet due to breakage during kernel boot > > on 5.3-rc1, so see below) a

Re: WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

2019-07-24 Thread Takashi Iwai
On Tue, 23 Jul 2019 19:03:29 +0200, Andrey Konovalov wrote: > > (Takashi, with your helper check syzkaller now generates a new bug > report (not reported by syzbot yet due to breakage during kernel boot > on 5.3-rc1, so see below) and I guess this has to do with a missing ep > != NULL check). > >

Re: WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

2019-07-23 Thread Andrey Konovalov
On Sat, Jul 20, 2019 at 4:14 PM Hillf Danton wrote: > > > On Fri, 19 Jul 2019 11:41:05 -0700 (PDT) > > syzbot has found a reproducer for the following crash on: > > > > HEAD commit:6a3599ce usb-fuzzer: main usb gadget fuzzer driver > > git tree: https://github.com/google/kasan.git usb-fu

Re: WARNING in snd_usb_motu_microbookii_communicate/usb_submit_urb

2019-07-19 Thread syzbot
syzbot has found a reproducer for the following crash on: HEAD commit:6a3599ce usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=149006d060 kernel config: https://syzkaller.ap