Re: [PATCH] bpf: Prevent double bpf_prog_put call from bpf_tracing_prog_attach

Hello:

This patch was applied to bpf/bpf.git (refs/heads/master):

On Mon, 11 Jan 2021 20:16:50 +0100 you wrote:

The bpf_tracing_prog_attach error path calls bpf_prog_put
on prog, which causes refcount underflow when it's called
from link_create function.

  link_create
    prog = bpf_prog_get              <-- get
    ...
    tracing_bpf_link_attach(prog..
      bpf_tracing_prog_attach(prog..
        out_put_prog:
          bpf_prog_put(prog);        <-- put

[...]

Here is the summary with links:
  - bpf: Prevent double bpf_prog_put call from bpf_tracing_prog_attach
    https://git.kernel.org/bpf/bpf/c/5541075a348b

You are awesome, thank you!
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