6.17-stable review patch. If anyone has any objections, please let me know.
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From: Mario Limonciello mario.limonciello@amd.com
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 --- arch/x86/kernel/cpu/amd.c | 1 + 1 file changed, 1 insertion(+)
--- 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 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)