From: Dan Carpenter dan.carpenter@oracle.com
[ Upstream commit d9f74d98bbec978edbf860f729b531281ba0d8ff ]
Change > MAX_DIE_PER_PACKAGE to >= MAX_DIE_PER_PACKAGE to prevent accessing one element beyond the end of the array.
Fixes: 7fd786dfbd2c ("tools/power/x86/intel-speed-select: OOB daemon mode") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Reviewed-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Hans de Goede hdegoede@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/power/x86/intel-speed-select/isst-daemon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/power/x86/intel-speed-select/isst-daemon.c b/tools/power/x86/intel-speed-select/isst-daemon.c index dd372924bc82..d0400c6684ba 100644 --- a/tools/power/x86/intel-speed-select/isst-daemon.c +++ b/tools/power/x86/intel-speed-select/isst-daemon.c @@ -41,7 +41,7 @@ void process_level_change(int cpu) time_t tm; int ret;
- if (pkg_id >= MAX_PACKAGE_COUNT || die_id > MAX_DIE_PER_PACKAGE) { + if (pkg_id >= MAX_PACKAGE_COUNT || die_id >= MAX_DIE_PER_PACKAGE) { debug_printf("Invalid package/die info for cpu:%d\n", cpu); return; }