netdev - Re: BUG: KASAN: use-after-free in tcf_block_put

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Date:   Fri, 8 Dec 2017 13:03:42 -0800
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Jakub Kicinski <kubakici@...pl>
Cc:     Roman Kapl <code@...pl.cz>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jiri Pirko <jiri@...nulli.us>
Subject: Re: BUG: KASAN: use-after-free in tcf_block_put_ext+0x5cf/0x5e0

On Thu, Dec 7, 2017 at 8:59 PM, Jakub Kicinski <kubakici@...pl> wrote:
> On Thu, 7 Dec 2017 20:51:27 -0800, Jakub Kicinski wrote:
>> Running the netdevsim test after a week and a bit of not trying it:
>>
>> $ make -C tools/testing/selftests/bpf/ CLANG=clang LLC=llc
>> # ./tools/testing/selftests/bpf/test_offload.py
>
> Ah, I didn't clarify - this is net-next at 66c5c5b56682 ("Merge branch
> 'smc-fixes-next'") plus some BPF-related commits.

Should be fixed by:

commit df45bf84e4f5a48f23d4b1a07d21d566e8b587b2
Author: Jiri Pirko <jiri@...lanox.com>
Date:   Fri Dec 8 19:27:27 2017 +0100

    net: sched: fix use-after-free in tcf_block_put_ext