The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: f1fdffe0afea02ba783acfe815b6a60e7180df40 Gitweb: https://git.kernel.org/tip/f1fdffe0afea02ba783acfe815b6a60e7180df40 Author: Mario Limonciello mario.limonciello@amd.com AuthorDate: Tue, 04 Nov 2025 10:10:06 -06:00 Committer: Borislav Petkov (AMD) bp@alien8.de CommitterDate: Tue, 04 Nov 2025 17:16:14 +01:00
x86/CPU/AMD: Add missing terminator for zen5_rdseed_microcode
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 --- arch/x86/kernel/cpu/amd.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 8e36964..2ba9f2d 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1038,6 +1038,7 @@ 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)