Disabled fast string operations
------------[ cut here ]------------
alternatives_patched
WARNING: arch/x86/kernel/cpu/cpuid-deps.c:127 at do_clear_cpu_cap+0x356/0x440 arch/x86/kernel/cpu/cpuid-deps.c:127, CPU#1: swapper/1/0
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G S                  syzkaller #0 PREEMPT(full) 
Tainted: [S]=CPU_OUT_OF_SPEC
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:do_clear_cpu_cap+0x356/0x440 arch/x86/kernel/cpu/cpuid-deps.c:127
Code: 2a 38 d0 7c 08 84 d2 0f 85 ea 00 00 00 8b 2d 31 57 72 0f 31 ff 89 ee e8 28 6a 59 00 85 ed 0f 84 7d fd ff ff e8 ab 6f 59 00 90 <0f> 0b 90 e9 6f fd ff ff 48 89 54 24 18 89 14 24 e8 95 6f 59 00 8b
RSP: 0000:ffffc9000046fc98 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000070 RCX: ffffffff81b03d68
RDX: ffff88801c742540 RSI: ffffffff81b03d75 RDI: ffff88801c742540
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000070
R13: 0000000000000601 R14: ffffc9000046fce0 R15: ffffc9000046fd80
FS:  0000000000000000(0000) GS:ffff888096ce1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000e994000 CR4: 0000000000350eb0
Call Trace:
 <TASK>
 early_init_intel.cold+0x13f/0x1eb arch/x86/kernel/cpu/intel.c:309
 init_intel+0x1c/0x7b0 arch/x86/kernel/cpu/intel.c:528
 identify_cpu+0x8b0/0x1c30 arch/x86/kernel/cpu/common.c:2053
 identify_secondary_cpu+0x178/0x270 arch/x86/kernel/cpu/common.c:2177
 ap_starting arch/x86/kernel/smpboot.c:190 [inline]
 start_secondary+0xcf/0x2d0 arch/x86/kernel/smpboot.c:280
 common_startup_64+0x13e/0x158
 </TASK>