netdev - Re: [PATCH 1/7] net: xfrm: skip policies marked as dead while reinserting policies

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Date: Wed, 18 Oct 2023 01:40:23 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Steffen Klassert <steffen.klassert@...unet.com>
Cc: davem@...emloft.net, kuba@...nel.org, herbert@...dor.apana.org.au,
 netdev@...r.kernel.org
Subject: Re: [PATCH 1/7] net: xfrm: skip policies marked as dead while reinserting
 policies

Hello:

This series was applied to netdev/net.git (main)
by Steffen Klassert <steffen.klassert@...unet.com>:

On Tue, 17 Oct 2023 10:37:17 +0200 you wrote:
> From: Dong Chenchen <dongchenchen2@...wei.com>
> 
> BUG: KASAN: slab-use-after-free in xfrm_policy_inexact_list_reinsert+0xb6/0x430
> Read of size 1 at addr ffff8881051f3bf8 by task ip/668
> 
> CPU: 2 PID: 668 Comm: ip Not tainted 6.5.0-rc5-00182-g25aa0bebba72-dirty #64
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13 04/01/2014
> Call Trace:
>  <TASK>
>  dump_stack_lvl+0x72/0xa0
>  print_report+0xd0/0x620
>  kasan_report+0xb6/0xf0
>  xfrm_policy_inexact_list_reinsert+0xb6/0x430
>  xfrm_policy_inexact_insert_node.constprop.0+0x537/0x800
>  xfrm_policy_inexact_alloc_chain+0x23f/0x320
>  xfrm_policy_inexact_insert+0x6b/0x590
>  xfrm_policy_insert+0x3b1/0x480
>  xfrm_add_policy+0x23c/0x3c0
>  xfrm_user_rcv_msg+0x2d0/0x510
>  netlink_rcv_skb+0x10d/0x2d0
>  xfrm_netlink_rcv+0x49/0x60
>  netlink_unicast+0x3fe/0x540
>  netlink_sendmsg+0x528/0x970
>  sock_sendmsg+0x14a/0x160
>  ____sys_sendmsg+0x4fc/0x580
>  ___sys_sendmsg+0xef/0x160
>  __sys_sendmsg+0xf7/0x1b0
>  do_syscall_64+0x3f/0x90
>  entry_SYSCALL_64_after_hwframe+0x73/0xdd
> 
> [...]

Here is the summary with links:
  - [1/7] net: xfrm: skip policies marked as dead while reinserting policies
    https://git.kernel.org/netdev/net/c/6d41d4fe2872
  - [2/7] xfrm: interface: use DEV_STATS_INC()
    https://git.kernel.org/netdev/net/c/f7c4e3e5d4f6
  - [3/7] xfrm: fix a data-race in xfrm_gen_index()
    https://git.kernel.org/netdev/net/c/3e4bc23926b8
  - [4/7] xfrm6: fix inet6_dev refcount underflow problem
    https://git.kernel.org/netdev/net/c/cc9b364bb1d5
  - [5/7] net: ipv6: fix return value check in esp_remove_trailer
    https://git.kernel.org/netdev/net/c/dad4e491e30b
  - [6/7] net: ipv4: fix return value check in esp_remove_trailer
    https://git.kernel.org/netdev/net/c/513f61e21933
  - [7/7] xfrm: fix a data-race in xfrm_lookup_with_ifid()
    https://git.kernel.org/netdev/net/c/de5724ca38fd

You are awesome, thank you!
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