From: sashiko-bot@kernel.org
To: "Gary Guo" <gary@garyguo.net>
Cc: linux-scsi@vger.kernel.org, cassel@kernel.org,
linux-ide@vger.kernel.org, dlemoal@kernel.org,
linux-pci@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v3 9/9] pci: fix UAF when probe runs concurrent to dyn ID removal
Date: Tue, 07 Jul 2026 14:12:20 +0000 [thread overview]
Message-ID: <20260707141221.024481F00A3D@smtp.kernel.org> (raw)
In-Reply-To: <20260706-pci_id_fix-v3-9-2d48fc025acc@garyguo.net>
> Dynamic IDs are only guaranteed to be valid when dynids.lock is held,
> as remove_id_store can free the node. Thus, make a copy in
> pci_match_device. Also, clarify that the id parameter is only valid during
> probe.
>
> Reported-by: Sashiko <sashiko-bot@kernel.org>
> Link: https://lore.kernel.org/all/20260619170503.518F61F00A3A@smtp.kernel.org/
> Fixes: 0994375e9614 ("PCI: add remove_id sysfs entry")
> 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/20260706-pci_id_fix-v3-0-2d48fc025acc@garyguo.net?part=9
prev parent reply other threads:[~2026-07-07 14:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-06 14:11 [PATCH v3 0/9] pci: fix UAF and TOCTOU related to dynamic ID Gary Guo
2026-07-06 14:11 ` [PATCH v3 1/9] ata: don't store pci_device_id Gary Guo
2026-07-07 1:12 ` Damien Le Moal
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 2/9] nsp32: " Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 3/9] ipack: tpci200: " Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 4/9] mlxsw: " Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 5/9] agp/via: don't rely on address of pci_device_id Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 6/9] agp/amd-k7: " Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 7/9] pci: make pci_match_one_device match on ID instead of device Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 8/9] pci: fix dyn_id add TOCTOU Gary Guo
2026-07-07 14:12 ` sashiko-bot
2026-07-06 14:11 ` [PATCH v3 9/9] pci: fix UAF when probe runs concurrent to dyn ID removal Gary Guo
2026-07-07 14:12 ` sashiko-bot [this message]
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