* Re: MM Test my fix double free
[not found] <CAE2+fR9-14yEoYS0kG+DAV_pA9w4Ty_fA5BstjH5rpp3odoQFQ@mail.gmail.com>
@ 2026-07-06 11:21 ` syzbot
0 siblings, 0 replies; only message in thread
From: syzbot @ 2026-07-06 11:21 UTC (permalink / raw)
To: malayarout91; +Cc: malayarout91, linux-kernel, syzkaller-bugs
> #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;
> }
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[not found] <CAE2+fR9-14yEoYS0kG+DAV_pA9w4Ty_fA5BstjH5rpp3odoQFQ@mail.gmail.com>
2026-07-06 11:21 ` MM Test my fix double free syzbot
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