netdev - Re: [PATCH bpf v2 0/4] bpf, sockmap: Fix infinite recursion in sock_map

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Wed, 25 Jan 2023 06:00:17 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Sitnicki <jakub@...udflare.com>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org,
        john.fastabend@...il.com, edumazet@...gle.com,
        daniel@...earbox.net, ast@...nel.org, andrii@...nel.org,
        kernel-team@...udflare.com,
        syzbot+04c21ed96d861dccc5cd@...kaller.appspotmail.com
Subject: Re: [PATCH bpf v2 0/4] bpf, sockmap: Fix infinite recursion in
 sock_map_close

Hello:

This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@...nel.org>:

On Sat, 21 Jan 2023 13:41:42 +0100 you wrote:
> This patch set addresses the syzbot report in [1].
> 
> Patch #1 has been suggested by Eric [2]. I extended it to cover the rest of
> sock_map proto callbacks. Otherwise we would still overflow the stack.
> 
> Patch #2 contains the actual fix and bug analysis.
> Patches #3 & #4 add coverage to selftests to trigger the bug.
> 
> [...]

Here is the summary with links:
  - [bpf,v2,1/4] bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself
    https://git.kernel.org/bpf/bpf/c/5b4a79ba65a1
  - [bpf,v2,2/4] bpf, sockmap: Check for any of tcp_bpf_prots when cloning a listener
    https://git.kernel.org/bpf/bpf/c/ddce1e091757
  - [bpf,v2,3/4] selftests/bpf: Pass BPF skeleton to sockmap_listen ops tests
    https://git.kernel.org/bpf/bpf/c/b4ea530d024c
  - [bpf,v2,4/4] selftests/bpf: Cover listener cloning with progs attached to sockmap
    https://git.kernel.org/bpf/bpf/c/c88ea16a8f89

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