BUG: unable to handle page fault for address: ffffc90003da2330 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 12000067 P4D 12000067 PUD 121c9067 PMD 1470f2067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:kvm_arch_hardware_enable+0x1d1/0x6d0 arch/x86/kvm/x86.c:11847 Code: 89 5c 24 38 4c 8d 73 f0 4c 89 f7 be 04 00 00 00 e8 a4 44 cc 00 4d 89 f5 49 c1 ed 03 43 0f b6 44 3d 00 84 c0 0f 85 08 02 00 00 <41> 8b 06 ff c8 48 63 d0 4c 89 64 24 10 4c 89 e7 48 8d 74 24 60 b9 RSP: 0018:ffffc900001e0e60 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffc90003da2340 RCX: ffffffff8110f0c2 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90003da2330 RBP: ffffc900001e0f30 R08: dffffc0000000000 R09: fffff520007b4466 R10: fffff520007b4467 R11: 1ffff920007b4466 R12: ffffc90003da2240 R13: 1ffff920007b4466 R14: ffffc90003da2330 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003da2330 CR3: 000000001c905000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hardware_enable_nolock+0xa1/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5007 __flush_smp_call_function_queue+0x2bc/0xcc0 kernel/smp.c:631 __sysvec_call_function_single+0x62/0x70 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x8c/0xb0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:finish_lock_switch+0x90/0x100 kernel/sched/core.c:4943 Code: 45 31 c9 68 96 9c 5f 81 e8 4d a9 09 00 48 83 c4 08 4c 89 ff e8 f1 c2 fe ff 66 90 4c 89 ff e8 67 ac e1 08 e8 a2 b6 30 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87 RSP: 0018:ffffc90000177c38 EFLAGS: 00000286 RAX: 293dc74478502900 RBX: ffff88801eb0d8b4 RCX: ffffffff91793f03 RDX: dffffc0000000000 RSI: ffffffff8aad75c0 RDI: ffffffff8b0a5460 RBP: ffffc90000177cb0 R08: dffffc0000000000 R09: ffffed1017367381 R10: ffffed1017367381 R11: 1ffff11017367380 R12: dffffc0000000000 R13: 1ffff1101736752b R14: ffff8880b9b3a958 R15: ffff8880b9b39c00 finish_task_switch+0x140/0x610 kernel/sched/core.c:5060 context_switch kernel/sched/core.c:5185 [inline] __schedule+0x95f/0xe20 kernel/sched/core.c:6494 schedule_idle+0x50/0x90 kernel/sched/core.c:6598 do_idle+0x5cd/0x620 kernel/sched/idle.c:331 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400 start_secondary+0xe4/0xf0 arch/x86/kernel/smpboot.c:262 secondary_startup_64_no_verify+0xcf/0xdb Modules linked in: CR2: ffffc90003da2330 ---[ end trace 0000000000000000 ]--- RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:28 [inline] RIP: 0010:kvm_arch_hardware_enable+0x1d1/0x6d0 arch/x86/kvm/x86.c:11847 Code: 89 5c 24 38 4c 8d 73 f0 4c 89 f7 be 04 00 00 00 e8 a4 44 cc 00 4d 89 f5 49 c1 ed 03 43 0f b6 44 3d 00 84 c0 0f 85 08 02 00 00 <41> 8b 06 ff c8 48 63 d0 4c 89 64 24 10 4c 89 e7 48 8d 74 24 60 b9 RSP: 0018:ffffc900001e0e60 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffc90003da2340 RCX: ffffffff8110f0c2 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90003da2330 RBP: ffffc900001e0f30 R08: dffffc0000000000 R09: fffff520007b4466 R10: fffff520007b4467 R11: 1ffff920007b4466 R12: ffffc90003da2240 R13: 1ffff920007b4466 R14: ffffc90003da2330 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003da2330 CR3: 000000001c905000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 5c 24 38 mov %ebx,0x38(%rsp) 4: 4c 8d 73 f0 lea -0x10(%rbx),%r14 8: 4c 89 f7 mov %r14,%rdi b: be 04 00 00 00 mov $0x4,%esi 10: e8 a4 44 cc 00 callq 0xcc44b9 15: 4d 89 f5 mov %r14,%r13 18: 49 c1 ed 03 shr $0x3,%r13 1c: 43 0f b6 44 3d 00 movzbl 0x0(%r13,%r15,1),%eax 22: 84 c0 test %al,%al 24: 0f 85 08 02 00 00 jne 0x232 * 2a: 41 8b 06 mov (%r14),%eax <-- trapping instruction 2d: ff c8 dec %eax 2f: 48 63 d0 movslq %eax,%rdx 32: 4c 89 64 24 10 mov %r12,0x10(%rsp) 37: 4c 89 e7 mov %r12,%rdi 3a: 48 8d 74 24 60 lea 0x60(%rsp),%rsi 3f: b9 .byte 0xb9