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Date: Fri, 14 Jan 2022 07:19:56 -0800 From: Eric Dumazet <eric.dumazet@...il.com> To: Hangyu Hua <hbh25y@...il.com>, jreuter@...na.de, ralf@...ux-mips.org, davem@...emloft.net, kuba@...nel.org Cc: linux-hams@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net] ax25: use after free in ax25_connect 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 ?
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