Re: WARNING in usb_submit_urb (3)

2018-10-15 Thread syzbot
Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+24a30223a4b609bb8...@syzkaller.appspotmail.com Tested on: commit: f0a7d1883d9f afs: Fix clearance of reply git tree: upstream kernel config: https://syzkall

Re: WARNING in usb_submit_urb

2018-02-01 Thread Eric Biggers
On Tue, Nov 07, 2017 at 08:11:13AM -0800, syzbot wrote: > Hello, > > syzkaller hit the following crash on > 36ef71cae353f88fd6e095e2aaa3e5953af1685d > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console o

Re: WARNING in usb_submit_urb

2017-11-09 Thread Alan Stern
On Thu, 9 Nov 2017, Oliver Neukum wrote: > Am Donnerstag, den 09.11.2017, 13:19 +0100 schrieb Andrey Konovalov: > > > > This isn't the "BOGUS urb xfer" warning, this is "BOGUS urb flags". So > > 2 means the URB_ISO_ASAP flag, which is passed in urb->transfer_flags > > but not allowed. And as far

Re: WARNING in usb_submit_urb

2017-11-09 Thread Oliver Neukum
Am Donnerstag, den 09.11.2017, 13:19 +0100 schrieb Andrey Konovalov: > > This isn't the "BOGUS urb xfer" warning, this is "BOGUS urb flags". So > 2 means the URB_ISO_ASAP flag, which is passed in urb->transfer_flags > but not allowed. And as far as I understand, it gets set because uurb > (which i

Re: WARNING in usb_submit_urb

2017-11-09 Thread Andrey Konovalov
On Tue, Nov 7, 2017 at 6:58 PM, Alan Stern wrote: > On Tue, 7 Nov 2017, Greg KH wrote: > >> On Tue, Nov 07, 2017 at 08:11:13AM -0800, syzbot wrote: >> > Hello, >> > >> > syzkaller hit the following crash on >> > 36ef71cae353f88fd6e095e2aaa3e5953af1685d >> > git://git.kernel.org/pub/scm/linux/kerne

Re: WARNING in usb_submit_urb

2017-11-08 Thread Alan Stern
On Wed, 8 Nov 2017, Dmitry Vyukov wrote: > > I don't understand how this could have happened. The raw log explains > > the problem: > > > >> [ 15.138822] usb usb1: BOGUS urb flags, 2 --> 0 > >> [ 15.139498] [ cut here ] > >> [ 15.139955] WARNING: CPU: 3 PID: 2986 at

Re: WARNING in usb_submit_urb

2017-11-08 Thread Dmitry Vyukov
On Tue, Nov 7, 2017 at 6:58 PM, Alan Stern wrote: > On Tue, 7 Nov 2017, Greg KH wrote: > >> On Tue, Nov 07, 2017 at 08:11:13AM -0800, syzbot wrote: >> > Hello, >> > >> > syzkaller hit the following crash on >> > 36ef71cae353f88fd6e095e2aaa3e5953af1685d >> > git://git.kernel.org/pub/scm/linux/kerne

Re: WARNING in usb_submit_urb

2017-11-07 Thread Alan Stern
On Tue, 7 Nov 2017, Greg KH wrote: > On Tue, Nov 07, 2017 at 08:11:13AM -0800, syzbot wrote: > > Hello, > > > > syzkaller hit the following crash on > > 36ef71cae353f88fd6e095e2aaa3e5953af1685d > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > > compiler: gcc (GCC) 7.

Re: WARNING in usb_submit_urb

2017-11-07 Thread Greg KH
On Tue, Nov 07, 2017 at 08:11:13AM -0800, syzbot wrote: > Hello, > > syzkaller hit the following crash on > 36ef71cae353f88fd6e095e2aaa3e5953af1685d > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > compiler: gcc (GCC) 7.1.1 20170620 > .config is attached > Raw console o