Re: [PATCH v2] udp6: Fix race condition in udp6_sendmsg & connect

patchwork-bot+netdevbpf
2023-05-31T09:40:47Z

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Tue, 30 May 2023 14:39:41 +0300 you wrote:
> Syzkaller got the following report:
> BUG: KASAN: use-after-free in sk_setup_caps+0x621/0x690 net/core/sock.c:2018
> Read of size 8 at addr ffff888027f82780 by task syz-executor276/3255
>
> The function sk_setup_caps (called by ip6_sk_dst_store_flow->
> ip6_dst_store) referenced already freed memory as this memory was
> freed by parallel task in udpv6_sendmsg->ip6_sk_dst_lookup_flow->
> sk_dst_check.
>
> [...]

Here is the summary with links:
- [v2] udp6: Fix race condition in udp6_sendmsg & connect
https://git.kernel.org/netdev/net/c/448a5ce1120c

You are awesome, thank you!
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