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Groups > linux.kernel > #1631349
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] x86: convert threshold_bank.cpus from atomic_t to refcount_t |
| Date | 2017-04-26 12:20 +0200 |
| Message-ID | <tAsdc-UH-23@gated-at.bofh.it> (permalink) |
| References | <tykts-14Q-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Apr 20, 2017 at 04:38:56PM +0300, Elena Reshetova wrote:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
>
> Suggested-by: Kees Cook <keescook@chromium.org>
> Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
> Reviewed-by: Hans Liljestrand <ishkamiel@gmail.com>
> Reviewed-by: David Windsor <dwindsor@gmail.com>
> ---
> arch/x86/include/asm/amd_nb.h | 3 ++-
> arch/x86/kernel/cpu/mcheck/mce_amd.c | 6 +++---
> 2 files changed, 5 insertions(+), 4 deletions(-)
Applied, thanks.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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Re: [PATCH] x86: convert threshold_bank.cpus from atomic_t to refcount_t Borislav Petkov <bp@alien8.de> - 2017-04-26 12:20 +0200
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