[PATCH] powerpc/papr_scm: Fix buffer overflow issue with CONFIG_FORTIFY_SOURCE

[Michael Ellerman]

On Thu, 5 May 2022 21:04:51 +0530, Kajol Jain wrote:
> With CONFIG_FORTIFY_SOURCE enabled, string functions will also perform
> dynamic checks for string size which can panic the kernel,
> like incase of overflow detection.
> 
> In papr_scm, papr_scm_pmu_check_events function uses stat->stat_id
> with string operations, to populate the nvdimm_events_map array.
> Since stat_id variable is not NULL terminated, the kernel panics
> with CONFIG_FORTIFY_SOURCE enabled at boot time.
> 
> [...]

Applied to powerpc/fixes.

[1/1] powerpc/papr_scm: Fix buffer overflow issue with CONFIG_FORTIFY_SOURCE
      https://git.kernel.org/powerpc/c/348c71344111d7a48892e3e52264ff11956fc196

cheers