Re: [PATCH bpf v5 0/3] Fix wrong cgroup attach flags being assigned to effective progs

From: patchwork-bot+netdevbpf
Date: Wed Sep 21 2022 - 14:30:26 EST


Hello:

This series was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@xxxxxxxxxx>:

On Wed, 21 Sep 2022 10:46:01 +0000 you wrote:
> From: Pu Lehui <pulehui@xxxxxxxxxx>
>
> When root-cgroup attach multi progs and sub-cgroup attach a
> override prog, bpftool will display incorrectly for the attach
> flags of the sub-cgroup’s effective progs:
>
> $ bpftool cgroup tree /sys/fs/cgroup effective
> CgroupPath
> ID AttachType AttachFlags Name
> /sys/fs/cgroup
> 6 cgroup_sysctl multi sysctl_tcp_mem
> 13 cgroup_sysctl multi sysctl_tcp_mem
> /sys/fs/cgroup/cg1
> 20 cgroup_sysctl override sysctl_tcp_mem
> 6 cgroup_sysctl override sysctl_tcp_mem <- wrong
> 13 cgroup_sysctl override sysctl_tcp_mem <- wrong
> /sys/fs/cgroup/cg1/cg2
> 20 cgroup_sysctl sysctl_tcp_mem
> 6 cgroup_sysctl sysctl_tcp_mem
> 13 cgroup_sysctl sysctl_tcp_mem
>
> [...]

Here is the summary with links:
- [bpf,v5,1/3] bpf, cgroup: Reject prog_attach_flags array when effective query
https://git.kernel.org/bpf/bpf/c/0e426a3ae030
- [bpf,v5,2/3] bpftool: Fix wrong cgroup attach flags being assigned to effective progs
https://git.kernel.org/bpf/bpf/c/bdcee1b0b083
- [bpf,v5,3/3] selftests/bpf: Adapt cgroup effective query uapi change
https://git.kernel.org/bpf/bpf/c/d2aa993b7d9d

You are awesome, thank you!
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