Hello:
This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@xxxxxxxxxx>:
On Wed, 22 Jan 2025 10:28:38 +0800 you wrote:
> There are two bpf_link__destroy(freplace_link) calls in
> test_tailcall_bpf2bpf_freplace(). After the first bpf_link__destroy()
> is called, if the following bpf_map_{update,delete}_elem() throws an
> exception, it will jump to the "out" label and call bpf_link__destroy()
> again, causing double free and eventually leading to a segfault.
>
> Fix it by directly resetting freplace_link to NULL after the first
> bpf_link__destroy() call.
>
> [...]
Here is the summary with links:
- [bpf,v2] selftests/bpf: Fix freplace_link segfault in tailcalls prog test
https://git.kernel.org/bpf/bpf-next/c/b420b5756549
You are awesome, thank you!
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