Re: Unable to handle kernel paging request in snd_seq_oss_readq_puts

On Fri, 27 Apr 2018 03:48:59 +0200, DaeRyong Jeong wrote: > > On Thu, Apr 26, 2018 at 09:17:45AM +0200, Takashi Iwai wrote: > > On Thu, 26 Apr 2018 06:52:27 +0200, > > DaeRyong Jeong wrote: > > > > > > We report the crash: > > > unable to handle ke

Re: Unable to handle kernel paging request in snd_seq_oss_readq_puts

On Fri, 27 Apr 2018 03:48:59 +0200, DaeRyong Jeong wrote: > > On Thu, Apr 26, 2018 at 09:17:45AM +0200, Takashi Iwai wrote: > > On Thu, 26 Apr 2018 06:52:27 +0200, > > DaeRyong Jeong wrote: > > > > > > We report the crash: > > > unable to handle ke

Re: Unable to handle kernel paging request in snd_seq_oss_readq_puts

On Thu, Apr 26, 2018 at 09:17:45AM +0200, Takashi Iwai wrote: > On Thu, 26 Apr 2018 06:52:27 +0200, > DaeRyong Jeong wrote: > > > > We report the crash: > > unable to handle kernel paging request in snd_seq_oss_readq_puts > > > > This crash has been found i

Re: Unable to handle kernel paging request in snd_seq_oss_readq_puts

On Thu, Apr 26, 2018 at 09:17:45AM +0200, Takashi Iwai wrote: > On Thu, 26 Apr 2018 06:52:27 +0200, > DaeRyong Jeong wrote: > > > > We report the crash: > > unable to handle kernel paging request in snd_seq_oss_readq_puts > > > > This crash has been found i

Re: Unable to handle kernel paging request in snd_seq_oss_readq_puts

On Thu, 26 Apr 2018 06:52:27 +0200, DaeRyong Jeong wrote: > > We report the crash: > unable to handle kernel paging request in snd_seq_oss_readq_puts > > This crash has been found in v4.16 using RaceFuzzer (a modified > version of Syzkaller), which we describe more at the en

Re: Unable to handle kernel paging request in snd_seq_oss_readq_puts

On Thu, 26 Apr 2018 06:52:27 +0200, DaeRyong Jeong wrote: > > We report the crash: > unable to handle kernel paging request in snd_seq_oss_readq_puts > > This crash has been found in v4.16 using RaceFuzzer (a modified > version of Syzkaller), which we describe more at the en

Unable to handle kernel paging request in snd_seq_oss_readq_puts

We report the crash: unable to handle kernel paging request in snd_seq_oss_readq_puts This crash has been found in v4.16 using RaceFuzzer (a modified version of Syzkaller), which we describe more at the end of this report. Our analysis shows that the race occurs when invoking two syscalls

Unable to handle kernel paging request in snd_seq_oss_readq_puts

We report the crash: unable to handle kernel paging request in snd_seq_oss_readq_puts This crash has been found in v4.16 using RaceFuzzer (a modified version of Syzkaller), which we describe more at the end of this report. Our analysis shows that the race occurs when invoking two syscalls

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Mon, Nov 20, 2017 at 2:21 PM, Takashi Iwai wrote: > On Mon, 20 Nov 2017 13:47:28 +0100, > Dmitry Vyukov wrote: >> >> On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: >> > On Wed, 01 Nov 2017 19:39:46 +0100, >> > Dmitry Vyukov wrote: >> >> >> >> On Wed, Nov 1,

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Mon, Nov 20, 2017 at 2:21 PM, Takashi Iwai wrote: > On Mon, 20 Nov 2017 13:47:28 +0100, > Dmitry Vyukov wrote: >> >> On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: >> > On Wed, 01 Nov 2017 19:39:46 +0100, >> > Dmitry Vyukov wrote: >> >> >> >> On Wed, Nov 1, 2017 at 9:38 PM, syzbot >> >>

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Mon, 20 Nov 2017 13:47:28 +0100, Dmitry Vyukov wrote: > > On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: > > On Wed, 01 Nov 2017 19:39:46 +0100, > > Dmitry Vyukov wrote: > >> > >> On Wed, Nov 1, 2017 at 9:38 PM, syzbot > >>

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Mon, 20 Nov 2017 13:47:28 +0100, Dmitry Vyukov wrote: > > On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: > > On Wed, 01 Nov 2017 19:39:46 +0100, > > Dmitry Vyukov wrote: > >> > >> On Wed, Nov 1, 2017 at 9:38 PM, syzbot > >> > >> wrote: > >> > Hello, > >> > > >> > syzkaller hit the

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Mon, Nov 20, 2017 at 1:47 PM, Dmitry Vyukov wrote: > On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: >> On Wed, 01 Nov 2017 19:39:46 +0100, >> Dmitry Vyukov wrote: >>> >>> On Wed, Nov 1, 2017 at 9:38 PM, syzbot >>>

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Mon, Nov 20, 2017 at 1:47 PM, Dmitry Vyukov wrote: > On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: >> On Wed, 01 Nov 2017 19:39:46 +0100, >> Dmitry Vyukov wrote: >>> >>> On Wed, Nov 1, 2017 at 9:38 PM, syzbot >>> >>> wrote: >>> > Hello, >>> > >>> > syzkaller hit the following crash on

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: > On Wed, 01 Nov 2017 19:39:46 +0100, > Dmitry Vyukov wrote: >> >> On Wed, Nov 1, 2017 at 9:38 PM, syzbot >> >> wrote: >> > Hello, >> > >> > syzkaller hit

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, Nov 1, 2017 at 8:49 PM, Takashi Iwai wrote: > On Wed, 01 Nov 2017 19:39:46 +0100, > Dmitry Vyukov wrote: >> >> On Wed, Nov 1, 2017 at 9:38 PM, syzbot >> >> wrote: >> > Hello, >> > >> > syzkaller hit the following crash on >> > fc2e8b1a47c14b22c33eb087fca0db58e1f4ed0e >> >

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Fri, Nov 17, 2017 at 9:10 PM, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > no output from test machine please ignore this, this testing of patch testing

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Fri, Nov 17, 2017 at 9:10 PM, syzbot wrote: > Hello, > > syzbot has tested the proposed patch but the reproducer still triggered > crash: > no output from test machine please ignore this, this testing of patch testing

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Thu, 02 Nov 2017 09:58:04 +0100, Takashi Iwai wrote: > > On Wed, 01 Nov 2017 20:49:10 +0100, > Takashi Iwai wrote: > > > > On Wed, 01 Nov 2017 19:39:46 +0100, > > Dmitry Vyukov wrote: > > > > > > On Wed, Nov 1, 2017 at 9:38 PM, syzbot > > >

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Thu, 02 Nov 2017 09:58:04 +0100, Takashi Iwai wrote: > > On Wed, 01 Nov 2017 20:49:10 +0100, > Takashi Iwai wrote: > > > > On Wed, 01 Nov 2017 19:39:46 +0100, > > Dmitry Vyukov wrote: > > > > > > On Wed, Nov 1, 2017 at 9:38 PM, syzbot > > > > > > wrote: > > > > Hello, > > > > > > > >

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, 01 Nov 2017 20:49:10 +0100, Takashi Iwai wrote: > > On Wed, 01 Nov 2017 19:39:46 +0100, > Dmitry Vyukov wrote: > > > > On Wed, Nov 1, 2017 at 9:38 PM, syzbot > > > > wrote: > > > Hello, > > > > > > syzkaller hit the

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, 01 Nov 2017 20:49:10 +0100, Takashi Iwai wrote: > > On Wed, 01 Nov 2017 19:39:46 +0100, > Dmitry Vyukov wrote: > > > > On Wed, Nov 1, 2017 at 9:38 PM, syzbot > > > > wrote: > > > Hello, > > > > > > syzkaller hit the following crash on > > > fc2e8b1a47c14b22c33eb087fca0db58e1f4ed0e > > >

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, 01 Nov 2017 19:39:46 +0100, Dmitry Vyukov wrote: > > On Wed, Nov 1, 2017 at 9:38 PM, syzbot > > wrote: > > Hello, > > > > syzkaller hit the following crash on > > fc2e8b1a47c14b22c33eb087fca0db58e1f4ed0e > >

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, 01 Nov 2017 19:39:46 +0100, Dmitry Vyukov wrote: > > On Wed, Nov 1, 2017 at 9:38 PM, syzbot > > wrote: > > Hello, > > > > syzkaller hit the following crash on > > fc2e8b1a47c14b22c33eb087fca0db58e1f4ed0e > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > >

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, Nov 1, 2017 at 9:38 PM, syzbot wrote: > Hello, > > syzkaller hit the following crash on > fc2e8b1a47c14b22c33eb087fca0db58e1f4ed0e > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master > compiler:

Re: BUG: unable to handle kernel paging request in snd_seq_oss_readq_puts

On Wed, Nov 1, 2017 at 9:38 PM, syzbot wrote: > Hello, > > syzkaller hit the following crash on > fc2e8b1a47c14b22c33eb087fca0db58e1f4ed0e > 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 output is