Re: [v2] platform/x86: ISST: fix use-after-free in tpmi_sst_dev_remove()

From: Ilpo Järvinen
Date: Tue May 21 2024 - 06:06:42 EST


On Tue, 21 May 2024, Markus Elfring wrote:

> >>>> …
> >>>>> Fix this by reordering the kfree() post the dereference.
>
> > The original wording of the commit message really is fine as is,
> > I see no need for Harshit to send a new version and I plan to
> > merge this as is.
>
> Are there opportunities remaining to improve the discussed wording?
>
> 1. https://en.wiktionary.org/wiki/post#Etymology_1
>
> 2. https://en.wiktionary.org/wiki/reorder
>
> 3. Function call indication?
> https://elixir.bootlin.com/linux/v6.9.1/source/mm/slub.c#L4371
>
> 4. Rephrasing of “Fix this by …”?
>
> 5. https://en.wikipedia.org/wiki/Dangling_pointer#Cause_of_dangling_pointers
>
> 6. https://wiki.sei.cmu.edu/confluence/display/c/MEM30-C.+Do+not+access+freed+memory#MEM30C.Donotaccessfreedmemory-AutomatedDetection
>
> 7. https://en.wikipedia.org/wiki/Code_sanitizer#KernelAddressSanitizer

We'll not waste our time in wordsmithing commit messages to perfection,
the current one is good enough as was stated to you already.

--
i.