Re: [PATCH bpf v2 0/7] Misc fixes for bpf

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Hi Andrii,

On 10/22/2024 7:11 AM, Andrii Nakryiko wrote:
> On Sun, Oct 20, 2024 at 6:28 PM Hou Tao <houtao@xxxxxxxxxxxxxxx> wrote:
>> From: Hou Tao <houtao1@xxxxxxxxxx>
>>
>> Hi,
>>
>> The patch set is just a bundle of fixes. Patch #1 fixes the out-of-bound
>> for sockmap link fdinfo. Patch #2 adds a static assertion to guarantee
>> such out-of-bound access will never happen again. Patch #3 fixes the
>> kmemleak report when parsing the mount options for bpffs. Patch #4~#7
>> fix issues related to bits iterator.
>>
>> Please check the individual patches for more details. And comments are
>> always welcome.
>>
>> v2:
>>  * patch #1: update tools/include/uapi/linux/bpf.h as well (Alexei)
>>  * patch #2: new patch. Add a static assertion for bpf_link_type_strs[] (Andrii)
>>  * patch #4: doesn't set nr_bits to zero in bpf_iter_bits_next (Andrii)
>>  * patch #5: use 512 as the maximal value of nr_words
>>  * patch #6: change the type of both bits and bits_copy to u64 (Andrii)
>>
>> v1: https://lore.kernel.org/bpf/20241008091718.3797027-1-houtao@xxxxxxxxxxxxxxx/
>>
> You have three separate groups of fixes, please send them separately
> so they can be landed separately and tested separately:
>
>> Hou Tao (7):
>>   bpf: Add the missing BPF_LINK_TYPE invocation for sockmap
>>   bpf: Add assertion for the size of bpf_link_type_strs[]
> first, link type fixes
>
>>   bpf: Preserve param->string when parsing mount options
> parsing fix
>
>>   bpf: Free dynamically allocated bits in bpf_iter_bits_destroy()
>>   bpf: Check the validity of nr_words in bpf_iter_bits_new()
>>   bpf: Use __u64 to save the bits in bits iterator
>>   selftests/bpf: Test multiplication overflow of nr_bits in bits_iter
> bits iter fixes

Thanks for the suggestion. Will do in v3.





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