From: sashiko-bot@kernel.org
To: "Gary Guo" <gary@garyguo.net>
Cc: linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org,
linux-pci@vger.kernel.org, dlemoal@kernel.org, cassel@kernel.org
Subject: Re: [PATCH v2 6/7] pci: fix dyn_id add TOCTOU
Date: Wed, 01 Jul 2026 11:10:49 +0000 [thread overview]
Message-ID: <20260701111050.2DA441F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260630-pci_id_fix-v2-6-b834a98c0af2@garyguo.net>
> Currently there is a TOCTOU issue in new_id_store as the dyn ID insertion
> in pci_add_dynid and the pci_match_device are in separate critical
> sections.
>
> Fix this by moving the existing ID check to inside pci_add_dynid and only
> check against the static ID table outside the critical section.
>
> Fixes: 3853f9123c18 ("PCI: Avoid duplicate IDs in driver dynamic IDs list")
> Signed-off-by: Gary Guo <gary@garyguo.net>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260630-pci_id_fix-v2-0-b834a98c0af2@garyguo.net?part=6
next prev parent reply other threads:[~2026-07-01 11:10 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-30 11:09 [PATCH v2 0/7] pci: fix UAF and TOCTOU related to dynamic ID Gary Guo
2026-06-30 11:09 ` [PATCH v2 1/7] ata: don't keep pci_device_id Gary Guo
2026-06-30 11:59 ` Niklas Cassel
2026-06-30 12:41 ` Gary Guo
2026-06-30 19:46 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot
2026-06-30 11:09 ` [PATCH v2 2/7] nsp32: " Gary Guo
2026-06-30 19:46 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot
2026-06-30 11:09 ` [PATCH v2 3/7] ipack: tpci200: " Gary Guo
2026-06-30 19:47 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot
2026-06-30 11:09 ` [PATCH v2 4/7] mlxsw: " Gary Guo
2026-06-30 19:48 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot
2026-07-01 13:57 ` Petr Machata
2026-06-30 11:09 ` [PATCH v2 5/7] pci: make pci_match_one_device match on ID instead of device Gary Guo
2026-06-30 20:04 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot
2026-06-30 11:09 ` [PATCH v2 6/7] pci: fix dyn_id add TOCTOU Gary Guo
2026-06-30 20:16 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot [this message]
2026-06-30 11:09 ` [PATCH v2 7/7] pci: fix UAF when probe runs concurrent to dyn ID removal Gary Guo
2026-06-30 20:25 ` Danilo Krummrich
2026-07-01 11:10 ` sashiko-bot
2026-07-01 11:44 ` Gary Guo
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