Re: [PATCH v4 0/4] Miscellaneous fixes for pci subsystem

Bjorn Helgaas
2026-02-06T22:29:24Z

On Fri, Jan 30, 2026 at 03:53:10PM +0800, duziming wrote:
> Hi all,
>
> Gentle ping on this patchset. Any feedback would be greatly appreciated.

Sorry I didn't get to this. Poke again after v6.20-rc1.

> On 2026/1/15 15:52, Ziming Du wrote:
>
> > Miscellaneous fixes for pci subsystem
> >
> > Changes in v4:
> > - Remove the architecture-specific #ifdef to apply the alignment
> > check for all platforms (including x86), as device registers are
> > naturally aligned anyway.
> > - Fix a potential issue in proc_bus_pci_read() to make it consistent
> > with proc_bus_pci_write(), as suggested by Ilpo Järvinen.
> > - Link to v3:https://lore.kernel.org/linux-pci/20260108015944.3520719-1-duziming2@huawei.com/
> >
> > Changes in v3:
> > - Check *ppos before assign it to pos.
> > - Link to v2:https://lore.kernel.org/linux-pci/20251224092721.2034529-1-duziming2@huawei.com/
> >
> > Changes in v2:
> > - Correct grammer and indentation.
> > - Remove unrelated stack traces from the commit message.
> > - Modify the handling of pos by adding a non-negative check to ensure
> > that the input value is valid.
> > - Use the existing IS_ALIGNED macro and ensure that after modification,
> > other cases still retuen -EINVAL as before.
> > - Link to v1:https://lore.kernel.org/linux-pci/20251216083912.758219-1-duziming2@huawei.com/
> >
> > Yongqiang Liu (2):
> > PCI: Prevent overflow in proc_bus_pci_write()
> > PCI/sysfs: Prohibit unaligned access to I/O port
> > Ziming Du (2):
> > PCI/sysfs: Fix null pointer dereference during hotplug
> > PCI: Prevent overflow in proc_bus_pci_read()
> >
> > drivers/pci/pci-sysfs.c | 7 +++++++
> > drivers/pci/proc.c | 11 +++++++++--
> > 2 files changed, 16 insertions(+), 2 deletions(-)
>
> Thanx du!
>