Re: [PATCH next] ACPI: APEI: EINJ: prevent memory corruption in error_type_set()

[Ira Weiny]

Dan Carpenter wrote:
> The "einj_buf" buffer is 32 chars.  If "count" is larger than that it
> results in memory corruption.  Cap it at 31 so that we leave the last
> character as a NUL terminator.  By the way, the highest reasonable value
> for "count" is 24.
> 
> Fixes: 0c6176e1e186 ("ACPI: APEI: EINJ: Enable the discovery of EINJv2 capabilities")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>

[snip]