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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