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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-07-18 16:17:17 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-08-17 16:15:39 +0300 |
| commit | 385de404e2b1e957fe158aec800011ded0391b46 (patch) | |
| tree | 2601feeb27226cdd31e95d591623424ed6286173 | |
| parent | a2bcf77490131faef1cb9d6a54ae97b61d4715f4 (diff) | |
| download | linux-385de404e2b1e957fe158aec800011ded0391b46.tar.xz | |
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@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>
| -rw-r--r-- | tools/power/x86/intel-speed-select/isst-daemon.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; } |