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From: syzbot <syzbot+60332fd095f8bb2946ad@syzkaller.appspotmail.com>
To: malayarout91@gmail.com
Cc: malayarout91@gmail.com, linux-kernel@vger.kernel.org,
	 syzkaller-bugs@googlegroups.com
Subject: Re: MM Test my fix double free
Date: Mon, 06 Jul 2026 04:21:15 -0700	[thread overview]
Message-ID: <6a4b8fab.b42ede87.8bd1.0023.GAE@google.com> (raw)
In-Reply-To: <CAE2+fR9-14yEoYS0kG+DAV_pA9w4Ty_fA5BstjH5rpp3odoQFQ@mail.gmail.com>

> #syz test

This crash does not have a reproducer. I cannot test it.

>
>  diff --git a/drivers/net/ieee802154/mac802154_hwsim.c
> b/drivers/net/ieee802154/mac802154_hwsim.c
> index 6daa0f198b9f..466791939d57 100644
> --- a/drivers/net/ieee802154/mac802154_hwsim.c
> +++ b/drivers/net/ieee802154/mac802154_hwsim.c
> @@ -113,7 +113,8 @@ static int hwsim_update_pib(struct ieee802154_hw
> *hw, u8 page, u8 channel,
>         pib->filt_level = filt_level;
>
>         rcu_assign_pointer(phy->pib, pib);
> -       kfree_rcu(pib_old, rcu);
> +       if (pid_old)
> +               kfree_rcu(pib_old, rcu);
>         return 0;
>  }

           reply	other threads:[~2026-07-06 11:21 UTC|newest]

Thread overview: expand[flat|nested]  mbox.gz  Atom feed
 [parent not found: <CAE2+fR9-14yEoYS0kG+DAV_pA9w4Ty_fA5BstjH5rpp3odoQFQ@mail.gmail.com>]

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