Re: [PATCH bpf-next v9 0/5] bpf: Add user memory access kfuncs for mm_struct

[patchwork-bot+netdevbpf]

Hello:

This series was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:

On Fri, 18 Sep 2026 16:17:52 +0300 you wrote:
> On MMU systems, during exec, argument and environment strings are copied
> into the new address space held by struct linux_binprm before that address
> space is installed on the task_struct. Existing BPF user memory helpers
> operate on the current address space or one associated with a task_struct.
> Because no task_struct refers to the new address space at this point,
> programs cannot access these strings from the bprm_check_security LSM
> hook.
> 
> [...]

Here is the summary with links:
  - [bpf-next,v9,1/5] mm: Add copy_remote_mm_str()
    https://git.kernel.org/bpf/bpf-next/c/69d38c792c53
  - [bpf-next,v9,2/5] exec: Clear bprm->mm before dropping its reference
    https://git.kernel.org/bpf/bpf-next/c/adc7fb9955e2
  - [bpf-next,v9,3/5] bpf: Add user memory access kfuncs for mm_struct
    https://git.kernel.org/bpf/bpf-next/c/3f9d98dfed79
  - [bpf-next,v9,4/5] bpf: Mark linux_binprm->mm as trusted-or-null
    https://git.kernel.org/bpf/bpf-next/c/cca46f91737c
  - [bpf-next,v9,5/5] selftests/bpf: Test mm_struct user memory kfuncs with linux_binprm
    https://git.kernel.org/bpf/bpf-next/c/b5501fb38ff7

You are awesome, thank you!
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