BUG: unable to handle page fault for address: ffffc90004f8a330 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 11800067 P4D 11800067 PUD 119c9067 PMD 1cae2067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3756 Comm: syz-fuzzer 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+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:ffffc900042dfde8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90004f8a330 RBP: ffffc90004f8a330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff520009f1466 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc90004f89000 R14: 0023001000000000 R15: ffffc900042dfe40 FS: 000000c000436c90(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90004f8a330 CR3: 0000000072193000 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: 0033:0x40e54b Code: 85 d2 75 d8 e9 5b ff ff ff 49 ff c2 49 83 fa 08 73 d7 84 01 46 0f b6 1c 11 4e 8d 24 11 66 90 44 38 d8 74 4f 41 80 fb 01 77 3f <48> 85 d2 75 3a 44 0f b6 6e 50 4d 89 d7 4d 0f af d5 48 89 fa 0f b6 RSP: 002b:000000c0009e4a80 EFLAGS: 00000297 RAX: 0000000000000006 RBX: 000000c0009e59e0 RCX: 000000c000236270 RDX: 0000000000000000 RSI: 00000000006730e0 RDI: 019b616ca71a6daf RBP: 000000c0009e4af0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: 000000c000236274 R13: 0000000000000034 R14: 000000c00027d380 R15: 000000000000000c Modules linked in: CR2: ffffc90004f8a330 ---[ 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:ffffc900042dfde8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81120fe0 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc90004f8a330 RBP: ffffc90004f8a330 R08: 0000000000000000 R09: 0000000000000003 R10: fffff520009f1466 R11: 0000000000000001 R12: 0000000000000000 R13: ffffc90004f89000 R14: 0023001000000000 R15: ffffc900042dfe40 FS: 000000c000436c90(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90004f8a330 CR3: 0000000072193000 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