Re: general protection fault in put_pid

2019-03-27 Thread David Sterba
On Wed, Mar 27, 2019 at 01:27:12PM -0700, Matthew Wilcox wrote: > On Wed, Mar 27, 2019 at 01:10:01PM -0700, syzbot wrote: > > syzbot has bisected this bug to: > > > > commit b9b8a41adeff5666b402996020b698504c927353 > > Author: Dan Carpenter > > Date: Mon Aug 20 08:25:33 2018 + > > > >

Re: general protection fault in put_pid

2019-01-07 Thread Shakeel Butt
On Mon, Jan 7, 2019 at 10:04 AM Manfred Spraul wrote: > > On 1/3/19 11:18 PM, Shakeel Butt wrote: > > Hi Manfred, > > > > On Sun, Dec 23, 2018 at 4:26 AM Manfred Spraul > > wrote: > >> Hello Dmitry, > >> > >> On 12/23/18 10:57 AM, Dmitry Vyukov wrote: > >>> I can reproduce this infinite memory

Re: general protection fault in put_pid

2019-01-07 Thread Manfred Spraul
On 1/3/19 11:18 PM, Shakeel Butt wrote: Hi Manfred, On Sun, Dec 23, 2018 at 4:26 AM Manfred Spraul wrote: Hello Dmitry, On 12/23/18 10:57 AM, Dmitry Vyukov wrote: I can reproduce this infinite memory consumption with the C program:

Re: general protection fault in put_pid

2019-01-03 Thread Shakeel Butt
Hi Manfred, On Sun, Dec 23, 2018 at 4:26 AM Manfred Spraul wrote: > > Hello Dmitry, > > On 12/23/18 10:57 AM, Dmitry Vyukov wrote: > > > > I can reproduce this infinite memory consumption with the C program: > >

Re: general protection fault in put_pid

2018-12-30 Thread Dmitry Vyukov
On Sun, Dec 30, 2018 at 10:31 AM Dmitry Vyukov wrote: > > On Wed, Dec 26, 2018 at 10:03 AM Dmitry Vyukov wrote: > > > > Hello Dmitry, > > > > > > > > On 12/23/18 11:42 AM, Dmitry Vyukov wrote: > > > > > Actually was able to reproduce this with a syzkaller program: > > > > > ./syz-execprog

Re: general protection fault in put_pid

2018-12-30 Thread Dmitry Vyukov
On Wed, Dec 26, 2018 at 10:03 AM Dmitry Vyukov wrote: > > > Hello Dmitry, > > > > > > On 12/23/18 11:42 AM, Dmitry Vyukov wrote: > > > > Actually was able to reproduce this with a syzkaller program: > > > > ./syz-execprog -repeat=0 -procs=10 prog > > > > ... > > > > kasan: CONFIG_KASAN_INLINE

Re: general protection fault in put_pid

2018-12-26 Thread Dmitry Vyukov
On Tue, Dec 25, 2018 at 10:35 AM Dmitry Vyukov wrote: > > On Sun, Dec 23, 2018 at 7:38 PM Manfred Spraul > wrote: > > > > Hello Dmitry, > > > > On 12/23/18 11:42 AM, Dmitry Vyukov wrote: > > > Actually was able to reproduce this with a syzkaller program: > > > ./syz-execprog -repeat=0 -procs=10

Re: general protection fault in put_pid

2018-12-25 Thread Dmitry Vyukov
On Sun, Dec 23, 2018 at 1:32 PM Manfred Spraul wrote: > > Hi Dmitry, > > let's simplify the mail, otherwise noone can follow: > > On 12/23/18 11:42 AM, Dmitry Vyukov wrote: > > > >> My naive attempts to re-reproduce this failed so far. > >> But I noticed that _all_ logs for these 3 crashes: > >>

Re: general protection fault in put_pid

2018-12-25 Thread Dmitry Vyukov
On Sun, Dec 23, 2018 at 7:38 PM Manfred Spraul wrote: > > Hello Dmitry, > > On 12/23/18 11:42 AM, Dmitry Vyukov wrote: > > Actually was able to reproduce this with a syzkaller program: > > ./syz-execprog -repeat=0 -procs=10 prog > > ... > > kasan: CONFIG_KASAN_INLINE enabled > > kasan: GPF could

Re: general protection fault in put_pid

2018-12-23 Thread Manfred Spraul
Hi Dmitry, let's simplify the mail, otherwise noone can follow: On 12/23/18 11:42 AM, Dmitry Vyukov wrote: My naive attempts to re-reproduce this failed so far. But I noticed that _all_ logs for these 3 crashes: https://syzkaller.appspot.com/bug?extid=c92d3646e35bc5d1a909

Re: general protection fault in put_pid

2018-12-23 Thread Manfred Spraul
Hello Dmitry, On 12/23/18 10:57 AM, Dmitry Vyukov wrote: I can reproduce this infinite memory consumption with the C program: https://gist.githubusercontent.com/dvyukov/03ec54b3429ade16fa07bf8b2379aff3/raw/ae4f654e279810de2505e8fa41b73dc1d8e6/gistfile1.txt But this is working as intended,

Re: general protection fault in put_pid

2018-12-23 Thread Dmitry Vyukov
On Sun, Dec 23, 2018 at 11:30 AM Dmitry Vyukov wrote: > > On Sun, Dec 23, 2018 at 10:57 AM Dmitry Vyukov wrote: > > > > On Sun, Dec 23, 2018 at 8:37 AM Dmitry Vyukov wrote: > > > > > > On Sat, Dec 22, 2018 at 8:07 PM Manfred Spraul > > > wrote: > > > > > > > > Hi Dmitry, > > > > > > > > On

Re: general protection fault in put_pid

2018-12-23 Thread Dmitry Vyukov
On Sun, Dec 23, 2018 at 10:57 AM Dmitry Vyukov wrote: > > On Sun, Dec 23, 2018 at 8:37 AM Dmitry Vyukov wrote: > > > > On Sat, Dec 22, 2018 at 8:07 PM Manfred Spraul > > wrote: > > > > > > Hi Dmitry, > > > > > > On 12/20/18 4:36 PM, Dmitry Vyukov wrote: > > > > On Wed, Dec 19, 2018 at 10:04 AM

Re: general protection fault in put_pid

2018-12-23 Thread Dmitry Vyukov
On Sun, Dec 23, 2018 at 8:37 AM Dmitry Vyukov wrote: > > On Sat, Dec 22, 2018 at 8:07 PM Manfred Spraul > wrote: > > > > Hi Dmitry, > > > > On 12/20/18 4:36 PM, Dmitry Vyukov wrote: > > > On Wed, Dec 19, 2018 at 10:04 AM Manfred Spraul > > > wrote: > > >> Hello Dmitry, > > >> > > >> On

Re: general protection fault in put_pid

2018-12-22 Thread Dmitry Vyukov
On Sat, Dec 22, 2018 at 8:07 PM Manfred Spraul wrote: > > Hi Dmitry, > > On 12/20/18 4:36 PM, Dmitry Vyukov wrote: > > On Wed, Dec 19, 2018 at 10:04 AM Manfred Spraul > > wrote: > >> Hello Dmitry, > >> > >> On 12/12/18 11:55 AM, Dmitry Vyukov wrote: > >>> On Tue, Dec 11, 2018 at 9:23 PM syzbot >

Re: general protection fault in put_pid

2018-12-22 Thread Manfred Spraul
Hi Dmitry, On 12/20/18 4:36 PM, Dmitry Vyukov wrote: On Wed, Dec 19, 2018 at 10:04 AM Manfred Spraul wrote: Hello Dmitry, On 12/12/18 11:55 AM, Dmitry Vyukov wrote: On Tue, Dec 11, 2018 at 9:23 PM syzbot wrote: Hello, syzbot found the following crash on: HEAD commit:f5d582777bcb

Re: general protection fault in put_pid

2018-12-20 Thread Dmitry Vyukov
On Wed, Dec 19, 2018 at 10:04 AM Manfred Spraul wrote: > > Hello Dmitry, > > On 12/12/18 11:55 AM, Dmitry Vyukov wrote: > > On Tue, Dec 11, 2018 at 9:23 PM syzbot > > wrote: > >> Hello, > >> > >> syzbot found the following crash on: > >> > >> HEAD commit:f5d582777bcb Merge branch 'for-linus'

Re: general protection fault in put_pid

2018-12-19 Thread Manfred Spraul
Hello Dmitry, On 12/12/18 11:55 AM, Dmitry Vyukov wrote: On Tue, Dec 11, 2018 at 9:23 PM syzbot wrote: Hello, syzbot found the following crash on: HEAD commit:f5d582777bcb Merge branch 'for-linus' of git://git.kernel... git tree: upstream console output:

Re: general protection fault in put_pid

2018-12-12 Thread Dmitry Vyukov
On Tue, Dec 11, 2018 at 9:23 PM syzbot wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit:f5d582777bcb Merge branch 'for-linus' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=135bc54740 > kernel config:

general protection fault in put_pid

2018-12-11 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:f5d582777bcb Merge branch 'for-linus' of git://git.kernel... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=135bc54740 kernel config: https://syzkaller.appspot.com/x/.config?x=c8970c89a0efbb23