Re: [PATCH net] ax25: use after free in ax25_connect

From: Eric Dumazet
Date: Fri Jan 14 2022 - 10:20:05 EST



On 1/13/22 22:54, Hangyu Hua wrote:
Any suggestions for this patch ? Guys.

I think putting sk_to_ax25 after lock_sock(sk) here will avoid any possilbe race conditions like other functions in ax25_proto_ops. CTING) {


As explained, your patch is not needed.

You failed to describe how a race was possible.

Just moving code around wont help.

How about providing a stack trace or some syzbot repro ?