Re: [PATCH 0/4] PCI: Fix procfs PCI config access issues

[duziming <duziming2@huawei.com>]

在 2026/7/29 7:19, Krzysztof Wilczyński 写道:
> Hello,
>
>> As suggested by Bjorn, this series aligns the implementation of procfs with
>> the sysfs counterpart and fixes procfs PCI configuration access issues.
>>
>> The first two patches refactor proc_bus_pci_{write,read}() to align
>> with pci_write_config() and pci_read_config() respectively:
>>    - Rename variables (pos->off, cnt->count/size) for consistency
>>    - Remove rebundant bounds check
>>
>> The last two patches fix potential overflow issues:
>>    - Prevent overflow when offset exceeds reasonable range
>>    - Fix implicit 64-bit to 32-bit truncation in read path
>>
>> Link: https://lore.kernel.org/all/20260303193253.GA3817951@bhelgaas/
>>
>> Ziming Du (4):
>>    PCI: Align proc_bus_pci_write() with pci_write_config()
>>    PCI: Align proc_bus_pci_read() with pci_read_config()
>>    PCI: Prevent overflow in proc_bus_pci_write()
>>    PCI: Prevent overflow in proc_bus_pci_read()
>>
>>   drivers/pci/proc.c | 115 ++++++++++++++++++++++-----------------------
>>   1 file changed, 57 insertions(+), 58 deletions(-)
> These changes here are worth doing, so I wonder if you have some time to
> pick this up?  If not, then I am happy to pick this up and send a v2?
>
> Thank you!
>
> 	Krzysztof

Hi Krzysztof,

Thanks for taking a look!

I have time to take care of this and will address the feedback and send 
out v2 soon.

Best regards,

Ziming