netdev - Re: [PATCH] net: rose: Prevent the use of freed digipeat

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Message-ID: <20251024165838.6efa0dc3@kernel.org>
Date: Fri, 24 Oct 2025 16:58:38 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Lizhi Xu <lizhi.xu@...driver.com>
Cc: <kuniyu@...gle.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
 <horms@...nel.org>, <jreuter@...na.de>, <linux-hams@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
 <pabeni@...hat.com>,
 <syzbot+caa052a0958a9146870d@...kaller.appspotmail.com>,
 <syzkaller-bugs@...glegroups.com>
Subject: Re: [PATCH] net: rose: Prevent the use of freed digipeat

On Fri, 24 Oct 2025 17:05:21 +0800 Lizhi Xu wrote:
> There is no synchronization between the two timers, rose_t0timer_expiry
> and rose_timer_expiry.
> rose_timer_expiry() puts the neighbor when the rose state is ROSE_STATE_2.
> However, rose_t0timer_expiry() does initiate a restart request on the
> neighbor.

Read what reviewers tell you please.

Kuniyuki already told you not to send patches in reply to existing
threads.