From: Jakub Kicinski <kuba@kernel.org>
To: Ibrahim Hashimov <security@auditcode.ai>
Cc: alex.aring@gmail.com, stefan@datenfreihafen.org,
miquel.raynal@bootlin.com, horms@kernel.org,
linux-wpan@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH net v2] mac802154: lock rx_mac_cmd_list and drain it before freeing sdata
Date: Fri, 24 Jul 2026 14:58:34 -0700 [thread overview]
Message-ID: <20260724145834.3e0485e6@kernel.org> (raw)
In-Reply-To: <20260722101608.37744-1-security@auditcode.ai>
On Wed, 22 Jul 2026 12:16:08 +0200 Ibrahim Hashimov wrote:
> rx_mac_cmd_list has no locking. The RX softirq producer in
> ieee802154_subif_frame() list_add_tail()s while the mac_wq worker
> list_del()s, and the worker dereferences mac_pkt->sdata with no
> liveness check.
Both sashikos complain about races:
https://sashiko.dev/#/patchset/20260722101608.37744-1-security@auditcode.ai
https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260722101608.37744-1-security@auditcode.ai
prev parent reply other threads:[~2026-07-24 21:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-22 10:16 [PATCH net v2] mac802154: lock rx_mac_cmd_list and drain it before freeing sdata Ibrahim Hashimov
2026-07-24 9:31 ` Miquel Raynal
2026-07-24 21:58 ` Jakub Kicinski [this message]
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