BUG: unable to handle page fault for address: ffffc90014946330 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11800067 P4D 11800067 PUD 119c9067 PMD 5bbef067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3625 Comm: syz-fuzzer Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #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+0x2ab/0x840 arch/x86/kvm/x86.c:11847 Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe RSP: 0000:ffffc90003bcfde8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90014946330 RBP: ffffc90014946330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff52002928c66 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc90014945000 R14: 0023001000000000 R15: ffffc90003bcfe40 FS: 000000c000537490(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90014946330 CR3: 000000001dc80000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hardware_enable_nolock+0xa7/0x140 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5007 __flush_smp_call_function_queue+0x205/0x9a0 kernel/smp.c:631 __sysvec_call_function_single+0x95/0x3d0 arch/x86/kernel/smp.c:248 sysvec_call_function_single+0x40/0xc0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:657 RIP: 0033:0x41e13d Code: 81 c4 90 00 00 00 c3 48 89 54 24 50 31 c0 eb 04 48 83 c0 08 48 39 c2 0f 86 04 01 00 00 45 0f b6 11 44 89 c1 45 89 d5 41 d3 ea <41> 0f ba e2 04 0f 83 ec 00 00 00 48 89 44 24 58 41 0f a3 cd 0f 83 RSP: 002b:000000c000715e80 EFLAGS: 00000202 RAX: 000000000001a020 RBX: 000000c000021698 RCX: 0000000000000000 RDX: 0000000000020000 RSI: 0000000000203000 RDI: 0000000000836038 RBP: 000000c000715f08 R08: 0000000000000000 R09: 00007f0084c75001 R10: 00000000000000f0 R11: 00007f0084e45fff R12: 000000c0005c6000 R13: 00000000000000f0 R14: 000000c0006c5520 R15: 0000000000000000 Modules linked in: CR2: ffffc90014946330 ---[ 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+0x2ab/0x840 arch/x86/kvm/x86.c:11847 Code: 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ed 04 00 00 <41> 8b 95 30 13 00 00 4d 8d b5 40 12 00 00 b9 08 00 00 00 4c 89 fe RSP: 0000:ffffc90003bcfde8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90014946330 RBP: ffffc90014946330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff52002928c66 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc90014945000 R14: 0023001000000000 R15: ffffc90003bcfe40 FS: 000000c000537490(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90014946330 CR3: 000000001dc80000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 89 e8 mov %rbp,%rax 3: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx a: fc ff df d: 48 c1 e8 03 shr $0x3,%rax 11: 0f b6 14 08 movzbl (%rax,%rcx,1),%edx 15: 48 89 e8 mov %rbp,%rax 18: 83 e0 07 and $0x7,%eax 1b: 83 c0 03 add $0x3,%eax 1e: 38 d0 cmp %dl,%al 20: 7c 08 jl 0x2a 22: 84 d2 test %dl,%dl 24: 0f 85 ed 04 00 00 jne 0x517 * 2a: 41 8b 95 30 13 00 00 mov 0x1330(%r13),%edx <-- trapping instruction 31: 4d 8d b5 40 12 00 00 lea 0x1240(%r13),%r14 38: b9 08 00 00 00 mov $0x8,%ecx 3d: 4c 89 fe mov %r15,%rsi