From: patchwork-bot+netdevbpf@kernel.org
To: Chengen Du <chengen.du@canonical.com>
Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us,
davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, ozsh@nvidia.com, paulb@nvidia.com,
marcelo.leitner@gmail.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, gerald.yang@canonical.com
Subject: Re: [PATCH net v3] net/sched: Fix UAF when resolving a clash
Date: Thu, 11 Jul 2024 10:20:29 +0000 [thread overview]
Message-ID: <172069322959.11889.7076340448823741973.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20240710053747.13223-1-chengen.du@canonical.com>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Wed, 10 Jul 2024 13:37:47 +0800 you wrote:
> KASAN reports the following UAF:
>
> BUG: KASAN: slab-use-after-free in tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct]
> Read of size 1 at addr ffff888c07603600 by task handler130/6469
>
> Call Trace:
> <IRQ>
> dump_stack_lvl+0x48/0x70
> print_address_description.constprop.0+0x33/0x3d0
> print_report+0xc0/0x2b0
> kasan_report+0xd0/0x120
> __asan_load1+0x6c/0x80
> tcf_ct_flow_table_process_conn+0x12b/0x380 [act_ct]
> tcf_ct_act+0x886/0x1350 [act_ct]
> tcf_action_exec+0xf8/0x1f0
> fl_classify+0x355/0x360 [cls_flower]
> __tcf_classify+0x1fd/0x330
> tcf_classify+0x21c/0x3c0
> sch_handle_ingress.constprop.0+0x2c5/0x500
> __netif_receive_skb_core.constprop.0+0xb25/0x1510
> __netif_receive_skb_list_core+0x220/0x4c0
> netif_receive_skb_list_internal+0x446/0x620
> napi_complete_done+0x157/0x3d0
> gro_cell_poll+0xcf/0x100
> __napi_poll+0x65/0x310
> net_rx_action+0x30c/0x5c0
> __do_softirq+0x14f/0x491
> __irq_exit_rcu+0x82/0xc0
> irq_exit_rcu+0xe/0x20
> common_interrupt+0xa1/0xb0
> </IRQ>
> <TASK>
> asm_common_interrupt+0x27/0x40
>
> [...]
Here is the summary with links:
- [net,v3] net/sched: Fix UAF when resolving a clash
https://git.kernel.org/netdev/net/c/26488172b029
You are awesome, thank you!
--
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prev parent reply other threads:[~2024-07-11 10:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-10 5:37 [PATCH net v3] net/sched: Fix UAF when resolving a clash Chengen Du
2024-07-11 10:20 ` patchwork-bot+netdevbpf [this message]
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