Subject: Re: [PATCH net 01/14] netfilter: ebtables: reject blobs that don't provide all entry points

From: [email-masked]
Date: Thu, 25 Aug 2022 02:40:17 +0000

Hello:

This series was applied to netdev/net.git (master)
by Pablo Neira Ayuso <[email-masked]>:

On Thu, 25 Aug 2022 00:03:17 +0200 you wrote:
> From: Florian Westphal <[email-masked]>
> 
> Harshit Mogalapalli says:
>  In ebt_do_table() function dereferencing 'private->hook_entry[hook]'
>  can lead to NULL pointer dereference. [..] Kernel panic:
> 
> general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
> KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
> [..]
> RIP: 0010:ebt_do_table+0x1dc/0x1ce0
> Code: 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5c 16 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 6c df 08 48 8d 7d 2c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 88
> [..]
> Call Trace:
>  nf_hook_slow+0xb1/0x170
>  __br_forward+0x289/0x730
>  maybe_deliver+0x24b/0x380
>  br_flood+0xc6/0x390
>  br_dev_xmit+0xa2e/0x12c0
> 
> [...]

Here is the summary with links:
  - [net,01/14] netfilter: ebtables: reject blobs that don't provide all entry points
    https://git.kernel.org/netdev/net/c/7997eff82828
  - [net,02/14] netfilter: conntrack: work around exceeded receive window
    https://git.kernel.org/netdev/net/c/cf97769c761a
  - [net,03/14] netfilter: nft_tproxy: restrict to prerouting hook
    https://git.kernel.org/netdev/net/c/18bbc3213383
  - [net,04/14] netfilter: nf_tables: disallow updates of implicit chain
    https://git.kernel.org/netdev/net/c/5dc52d83baac
  - [net,05/14] netfilter: nf_tables: make table handle allocation per-netns friendly
    https://git.kernel.org/netdev/net/c/ab482c6b66a4
  - [net,06/14] netfilter: nft_payload: report ERANGE for too long offset and length
    https://git.kernel.org/netdev/net/c/94254f990c07
  - [net,07/14] netfilter: nft_payload: do not truncate csum_offset and csum_type
    https://git.kernel.org/netdev/net/c/7044ab281feb
  - [net,08/14] netfilter: nf_tables: do not leave chain stats enabled on error
    https://git.kernel.org/netdev/net/c/43eb8949cfdf
  - [net,09/14] netfilter: nft_osf: restrict osf to ipv4, ipv6 and inet families
    https://git.kernel.org/netdev/net/c/5f3b7aae14a7
  - [net,10/14] netfilter: nft_tunnel: restrict it to netdev family
    https://git.kernel.org/netdev/net/c/01e4092d53bc
  - [net,11/14] netfilter: nf_tables: disallow binding to already bound chain
    https://git.kernel.org/netdev/net/c/e02f0d397040
  - [net,12/14] netfilter: flowtable: add function to invoke garbage collection immediately
    https://git.kernel.org/netdev/net/c/759eebbcfafc
  - [net,13/14] netfilter: flowtable: fix stuck flows on cleanup due to pending work
    https://git.kernel.org/netdev/net/c/9afb4b27349a
  - [net,14/14] netfilter: nf_defrag_ipv6: allow nf_conntrack_frag6_high_thresh increases
    https://git.kernel.org/netdev/net/c/00cd7bf9f9e0

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html