* Re: KASAN: slab-out-of-bounds Write in validate_chain
[not found] ` <0000000000007724d6058c2dfc24@google.com>
@ 2019-06-25 23:48 ` Eric Biggers
2019-06-26 22:24 ` John Fastabend
0 siblings, 1 reply; 2+ messages in thread
From: Eric Biggers @ 2019-06-25 23:48 UTC (permalink / raw)
To: John Fastabend
Cc: syzbot, akpm, ast, cai, crecklin, daniel, keescook, linux-kernel,
linux-mm, netdev, bpf, syzkaller-bugs
Hi John,
On Tue, Jun 25, 2019 at 04:07:00PM -0700, syzbot wrote:
> syzbot has bisected this bug to:
>
> commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
> Author: John Fastabend <john.fastabend@gmail.com>
> Date: Sat Jun 30 13:17:47 2018 +0000
>
> bpf: sockhash fix omitted bucket lock in sock_close
>
Are you working on this? This is the 6th open syzbot report that has been
bisected to this commit, and I suspect it's the cause of many of the other
30 open syzbot reports I assigned to the bpf subsystem too
(https://lore.kernel.org/bpf/20190624050114.GA30702@sol.localdomain/).
Also, this is happening in mainline (v5.2-rc6).
- Eric
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: KASAN: slab-out-of-bounds Write in validate_chain
2019-06-25 23:48 ` KASAN: slab-out-of-bounds Write in validate_chain Eric Biggers
@ 2019-06-26 22:24 ` John Fastabend
0 siblings, 0 replies; 2+ messages in thread
From: John Fastabend @ 2019-06-26 22:24 UTC (permalink / raw)
To: Eric Biggers, John Fastabend
Cc: syzbot, akpm, ast, cai, crecklin, daniel, keescook, linux-kernel,
linux-mm, netdev, bpf, syzkaller-bugs
Eric Biggers wrote:
> Hi John,
>
> On Tue, Jun 25, 2019 at 04:07:00PM -0700, syzbot wrote:
> > syzbot has bisected this bug to:
> >
> > commit e9db4ef6bf4ca9894bb324c76e01b8f1a16b2650
> > Author: John Fastabend <john.fastabend@gmail.com>
> > Date: Sat Jun 30 13:17:47 2018 +0000
> >
> > bpf: sockhash fix omitted bucket lock in sock_close
> >
>
> Are you working on this? This is the 6th open syzbot report that has been
> bisected to this commit, and I suspect it's the cause of many of the other
> 30 open syzbot reports I assigned to the bpf subsystem too
> (https://lore.kernel.org/bpf/20190624050114.GA30702@sol.localdomain/).
>
> Also, this is happening in mainline (v5.2-rc6).
>
> - Eric
Should have a fix today. It seems syzbot has found this bug repeatedly.
.John
^ permalink raw reply [flat|nested] 2+ messages in thread
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2019-06-25 23:48 ` KASAN: slab-out-of-bounds Write in validate_chain Eric Biggers
2019-06-26 22:24 ` John Fastabend
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