* Re: KASAN: use-after-free Read in __fput
[not found] <001a1146fbf6a6305c055cfdf55e@google.com>
@ 2017-12-04 16:44 ` Al Viro
2017-12-04 18:39 ` Dmitry Vyukov
0 siblings, 1 reply; 4+ messages in thread
From: Al Viro @ 2017-12-04 16:44 UTC (permalink / raw)
To: syzbot; +Cc: linux-fsdevel, linux-kernel, syzkaller-bugs
On Thu, Nov 02, 2017 at 04:05:01AM -0700, syzbot wrote:
> Hello,
>
> syzkaller hit the following crash on
> 3a99df9a3d14cd866b5516f8cba515a3bfd554ab
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
> compiler: gcc (GCC) 7.1.1 20170620
> .config is attached
> Raw console output is attached.
That one is almost certainly double-free in kcm_clone() fixed in
https://marc.info/?l=linux-netdev&m=151208776817071&q=raw
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: KASAN: use-after-free Read in __fput
2017-12-04 16:44 ` KASAN: use-after-free Read in __fput Al Viro
@ 2017-12-04 18:39 ` Dmitry Vyukov
2017-12-04 18:43 ` Al Viro
0 siblings, 1 reply; 4+ messages in thread
From: Dmitry Vyukov @ 2017-12-04 18:39 UTC (permalink / raw)
To: Al Viro; +Cc: syzbot, linux-fsdevel, LKML, syzkaller-bugs
On Mon, Dec 4, 2017 at 5:44 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> On Thu, Nov 02, 2017 at 04:05:01AM -0700, syzbot wrote:
>> Hello,
>>
>> syzkaller hit the following crash on
>> 3a99df9a3d14cd866b5516f8cba515a3bfd554ab
>> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
>> compiler: gcc (GCC) 7.1.1 20170620
>> .config is attached
>> Raw console output is attached.
>
> That one is almost certainly double-free in kcm_clone() fixed in
> https://marc.info/?l=linux-netdev&m=151208776817071&q=raw
Hi,
What's the title of that commit? We need the title for syzbot. "fix
kcm_clone()"? I don't see such commit in net-next.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: KASAN: use-after-free Read in __fput
2017-12-04 18:39 ` Dmitry Vyukov
@ 2017-12-04 18:43 ` Al Viro
2018-02-12 16:13 ` Dmitry Vyukov
0 siblings, 1 reply; 4+ messages in thread
From: Al Viro @ 2017-12-04 18:43 UTC (permalink / raw)
To: Dmitry Vyukov; +Cc: syzbot, linux-fsdevel, LKML, syzkaller-bugs
On Mon, Dec 04, 2017 at 07:39:29PM +0100, Dmitry Vyukov wrote:
> On Mon, Dec 4, 2017 at 5:44 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> > On Thu, Nov 02, 2017 at 04:05:01AM -0700, syzbot wrote:
> >> Hello,
> >>
> >> syzkaller hit the following crash on
> >> 3a99df9a3d14cd866b5516f8cba515a3bfd554ab
> >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
> >> compiler: gcc (GCC) 7.1.1 20170620
> >> .config is attached
> >> Raw console output is attached.
> >
> > That one is almost certainly double-free in kcm_clone() fixed in
> > https://marc.info/?l=linux-netdev&m=151208776817071&q=raw
>
> Hi,
>
> What's the title of that commit? We need the title for syzbot. "fix
> kcm_clone()"? I don't see such commit in net-next.
For a good and simple reason that it's _not_ in net-next yet.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: KASAN: use-after-free Read in __fput
2017-12-04 18:43 ` Al Viro
@ 2018-02-12 16:13 ` Dmitry Vyukov
0 siblings, 0 replies; 4+ messages in thread
From: Dmitry Vyukov @ 2018-02-12 16:13 UTC (permalink / raw)
To: Al Viro; +Cc: syzbot, linux-fsdevel, LKML, syzkaller-bugs
On Mon, Dec 4, 2017 at 7:43 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
> On Mon, Dec 04, 2017 at 07:39:29PM +0100, Dmitry Vyukov wrote:
>> On Mon, Dec 4, 2017 at 5:44 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
>> > On Thu, Nov 02, 2017 at 04:05:01AM -0700, syzbot wrote:
>> >> Hello,
>> >>
>> >> syzkaller hit the following crash on
>> >> 3a99df9a3d14cd866b5516f8cba515a3bfd554ab
>> >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/master
>> >> compiler: gcc (GCC) 7.1.1 20170620
>> >> .config is attached
>> >> Raw console output is attached.
>> >
>> > That one is almost certainly double-free in kcm_clone() fixed in
>> > https://marc.info/?l=linux-netdev&m=151208776817071&q=raw
>>
>> Hi,
>>
>> What's the title of that commit? We need the title for syzbot. "fix
>> kcm_clone()"? I don't see such commit in net-next.
>
> For a good and simple reason that it's _not_ in net-next yet.
#syz fix: fix kcm_clone()
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2018-02-12 16:14 UTC | newest]
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2017-12-04 16:44 ` KASAN: use-after-free Read in __fput Al Viro
2017-12-04 18:39 ` Dmitry Vyukov
2017-12-04 18:43 ` Al Viro
2018-02-12 16:13 ` Dmitry Vyukov
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