Re: [PATCH bpf] ftrace: Add missing ftrace_lock to update_ftrace_direct_add/del

[patchwork-bot+netdevbpf]

Hello:

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

On Mon,  2 Mar 2026 09:16:22 +0100 you wrote:
> Ihor and Kumar reported splat from ftrace_get_addr_curr [1], which happened
> because of the missing ftrace_lock in update_ftrace_direct_add/del functions
> allowing concurrent access to ftrace internals.
> 
> The ftrace_update_ops function must be guarded by ftrace_lock, adding that.
> 
> Fixes: 05dc5e9c1fe1 ("ftrace: Add update_ftrace_direct_add function")
> Fixes: 8d2c1233f371 ("ftrace: Add update_ftrace_direct_del function")
> Reported-by: Ihor Solodrai <ihor.solodrai@xxxxxxxxx>
> Reported-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
> Closes: https://lore.kernel.org/bpf/1b58ffb2-92ae-433a-ba46-95294d6edea2@xxxxxxxxx/
> Tested-by: Ihor Solodrai <ihor.solodrai@xxxxxxxxx>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> 
> [...]

Here is the summary with links:
  - [bpf] ftrace: Add missing ftrace_lock to update_ftrace_direct_add/del
    https://git.kernel.org/bpf/bpf/c/3ebc98c1ae7e

You are awesome, thank you!
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