Hello:
This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@xxxxxxxxxx>:
On Fri, 19 Jan 2024 13:02:01 -0800 you wrote:
> We've ran into issues with using dup2() API in production setting, where
> libbpf is linked into large production environment and ends up calling
> uninteded custom implementations of dup2(). These custom implementations
> don't provide atomic FD replacement guarantees of dup2() syscall,
> leading to subtle and hard to debug issues.
>
> To prevent this in the future and guarantee that no libc implementation
> will do their own custom non-atomic dup2() implementation, call dup2()
> syscall directly with syscall(SYS_dup2).
>
> [...]
Here is the summary with links:
- [bpf-next] libbpf: call dup2() syscall directly
https://git.kernel.org/bpf/bpf-next/c/bc308d011ab8
You are awesome, thank you!
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