Patch "tools/power/x86/intel-speed-select: Fix off by one check" has been added to the 5.18-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    tools/power/x86/intel-speed-select: Fix off by one check

to the 5.18-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     tools-power-x86-intel-speed-select-fix-off-by-one-ch.patch
and it can be found in the queue-5.18 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 99e0d98ae75ad26a5c9e26d18e2186cc392f04de
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date:   Mon Jul 18 16:17:17 2022 +0300

    tools/power/x86/intel-speed-select: Fix off by one check
    
    [ 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@xxxxxxxxxx>
    Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
    Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

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;
 	}