From: sashiko-bot@kernel.org
To: "Leon Romanovsky" <leon@kernel.org>
Cc: linux-pci@vger.kernel.org
Subject: Re: [PATCH 01/13] PCI/P2PDMA: Safely terminate ACS redirect lists
Date: Sun, 02 Aug 2026 15:26:12 +0000 [thread overview]
Message-ID: <20260802152613.5B98A1F000E9@smtp.kernel.org> (raw)
In-Reply-To: <20260802-fix-p2p-acs-v1-1-a7c5eb64fff6@nvidia.com>
> From: Leon Romanovsky <leonro@nvidia.com>
>
> seq_buf marks an overflow by setting len to size + 1. The ACS diagnostic
> path unconditionally writes a terminator to buffer[len - 1], so a path
> with enough ACS ports to fill the 128-byte buffer writes one byte beyond
> the buffer when verbose diagnostics are requested.
>
> Use seq_buf_str() to terminate truncated output safely and remove the final
> semicolon only when the buffer did not overflow.
>
> Fixes: 52916982af48 ("PCI/P2PDMA: Support peer-to-peer memory")
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260802-fix-p2p-acs-v1-0-a7c5eb64fff6@nvidia.com?part=1
next prev parent reply other threads:[~2026-08-02 15:26 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-02 15:09 [PATCH 00/13] PCI/P2PDMA: Fix ACS egress control handling Leon Romanovsky
2026-08-02 15:09 ` [PATCH 01/13] PCI/P2PDMA: Safely terminate ACS redirect lists Leon Romanovsky
2026-08-02 15:26 ` sashiko-bot [this message]
2026-08-04 19:49 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 02/13] PCI/P2PDMA: Report ACS ports when the paths share no upstream bridge Leon Romanovsky
2026-08-02 15:34 ` sashiko-bot
2026-08-04 19:52 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 03/13] PCI/P2PDMA: Document the Address Type assumption Leon Romanovsky
2026-08-02 15:26 ` sashiko-bot
2026-08-04 19:55 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 04/13] PCI: Account for Direct Translated P2P in ACS isolation checks Leon Romanovsky
2026-08-02 15:45 ` sashiko-bot
2026-08-04 20:03 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 05/13] PCI: Add ACS egress control vector accessor Leon Romanovsky
2026-08-02 15:39 ` sashiko-bot
2026-08-04 21:55 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 06/13] PCI: Account for ACS egress control in isolation checks Leon Romanovsky
2026-08-02 15:50 ` sashiko-bot
2026-08-04 21:55 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 07/13] PCI/P2PDMA: Derive peer-to-peer routing from ACS control bits Leon Romanovsky
2026-08-02 15:50 ` sashiko-bot
2026-08-04 21:55 ` Logan Gunthorpe
2026-08-04 21:58 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 08/13] PCI/P2PDMA: Honor ACS egress control vectors Leon Romanovsky
2026-08-02 15:57 ` sashiko-bot
2026-08-04 21:56 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 09/13] PCI/P2PDMA: Document ACS egress control handling Leon Romanovsky
2026-08-02 15:51 ` sashiko-bot
2026-08-04 22:01 ` Logan Gunthorpe
2026-08-05 9:02 ` Leon Romanovsky
2026-08-02 15:09 ` [PATCH 10/13] PCI/P2PDMA: Extract pure ACS routing decision helpers Leon Romanovsky
2026-08-02 15:55 ` sashiko-bot
2026-08-04 22:07 ` Logan Gunthorpe
2026-08-05 9:06 ` Leon Romanovsky
2026-08-02 15:09 ` [PATCH 11/13] PCI/P2PDMA: Add KUnit tests for ACS routing decisions Leon Romanovsky
2026-08-02 16:02 ` sashiko-bot
2026-08-04 22:37 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 12/13] PCI/P2PDMA: Add KUnit coverage for the ACS P2P routing walk Leon Romanovsky
2026-08-02 16:07 ` sashiko-bot
2026-08-04 22:37 ` Logan Gunthorpe
2026-08-02 15:09 ` [PATCH 13/13] PCI: Add KUnit coverage for ACS isolation checks Leon Romanovsky
2026-08-02 16:07 ` sashiko-bot
2026-08-04 22:38 ` Logan Gunthorpe
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