x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode

commit f1fdffe0afea02ba783acfe815b6a60e7180df40 upstream.

Running x86_match_min_microcode_rev() on a Zen5 CPU trips up KASAN for an out
of bounds access.

Fixes: 607b9fb2ce248 ("x86/CPU/AMD: Add RDSEED fix for Zen5")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20251104161007.269885-1-mario.limonciello@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index a0d3aca13bbd2022c9492caf1c96945ccfff624b..3fbb86fa669f5ccc56d5954074305a86ac52472d 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -1021,6 +1021,7 @@ static void init_amd_zen4(struct cpuinfo_x86 *c)
 static const struct x86_cpu_id zen5_rdseed_microcode[] = {
        ZEN_MODEL_STEP_UCODE(0x1a, 0x02, 0x1, 0x0b00215a),
        ZEN_MODEL_STEP_UCODE(0x1a, 0x11, 0x0, 0x0b101054),
+       {},
 };
 
 static void init_amd_zen5(struct cpuinfo_x86 *c)