Re: [PATCH] x86/mce: Zero the injected error record before logging it

[Borislav Petkov]

On Thu, Sep 10, 2026 at 11:32:17AM +0800, Yifei Chu wrote:
> Reproduced with CONFIG_X86_MCE_INJECT: writing "sw" to flags and
> injecting a bank/status makes the mce_record tracepoint print random
> vendor data, e.g.
> 
>     vendor data: {0xb3,0x8a,0xb5,0x41,0x0,0x0,0x0,0x0,
>                   0x67,0x93,0xbc,0xa8,0xff,0xff,0xff,0xff}

And? Who cares?

> Fixes: d4fca1358ea9 ("x86/MCE/AMD: Add support for new MCA_SYND{1,2} registers")
> Cc: stable@xxxxxxxxxxxxxxx

Backport it everywhere? A MCE injection fix?

You must be joking.

> Reported-by: Abaci <abaci@xxxxxxxxxxxxxxxxx>
> Assisted-by: abaci:qwen3.8-max

This is now

Assisted-by: LLM

-- 
Regards/Gruss,
    Boris.

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