Thread (3 messages) 3 messages, 3 authors, 2021-04-13

Re: [PATCH v2] net/sctp: fix race condition in sctp_destroy_sock

From: patchwork-bot+netdevbpf@kernel.org
Date: 2021-04-13 22:10:11
Also in: linux-sctp, lkml

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Tue, 13 Apr 2021 21:10:31 +0300 you wrote:
If sctp_destroy_sock is called without sock_net(sk)->sctp.addr_wq_lock
held and sp->do_auto_asconf is true, then an element is removed
from the auto_asconf_splist without any proper locking.

This can happen in the following functions:
1. In sctp_accept, if sctp_sock_migrate fails.
2. In inet_create or inet6_create, if there is a bpf program
   attached to BPF_CGROUP_INET_SOCK_CREATE which denies
   creation of the sctp socket.

[...]
Here is the summary with links:
  - [v2] net/sctp: fix race condition in sctp_destroy_sock
    https://git.kernel.org/netdev/net/c/b166a20b0738

You are awesome, thank you!
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