kvm_intel: set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000004bc51067 P4D 800000004bc51067 PUD 3245c067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 8453 Comm: syz.7.701 Not tainted 6.13.0-syzkaller-00918-g95ec54a420b8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc900101b7718 EFLAGS: 00010283 RAX: ffffffff81d8ebd8 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90015511000 RSI: ffffea00013bf080 RDI: ffff88803512e1c0 RBP: ffffc900101b77d0 R08: ffffffff81d8eb9c R09: 1ffffd4000277e10 R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd4000277e10 R13: ffffea00013bf080 R14: ffffc900101b7760 R15: 1ffffd4000277e11 FS: 0000000000000000(0000) GS:ffff8880b8600000(0063) knlGS:00000000f50dfb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000317b8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: filemap_read_folio+0x148/0x3b0 mm/filemap.c:2357 do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3817 freader_get_folio+0x54d/0x880 lib/buildid.c:77 freader_fetch+0x9c/0x560 lib/buildid.c:120 __build_id_parse+0x188/0x8a0 lib/buildid.c:305 do_procmap_query fs/proc/task_mmu.c:534 [inline] procfs_procmap_ioctl+0xcf5/0x1600 fs/proc/task_mmu.c:613 __do_compat_sys_ioctl fs/ioctl.c:1004 [inline] __se_compat_sys_ioctl+0x502/0xc10 fs/ioctl.c:947 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb4/0x110 arch/x86/entry/common.c:386 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf70ed579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f50df55c EFLAGS: 00000206 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00000000c0686611 RDX: 0000000020000180 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc900101b7718 EFLAGS: 00010283 RAX: ffffffff81d8ebd8 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90015511000 RSI: ffffea00013bf080 RDI: ffff88803512e1c0 RBP: ffffc900101b77d0 R08: ffffffff81d8eb9c R09: 1ffffd4000277e10 R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd4000277e10 R13: ffffea00013bf080 R14: ffffc900101b7760 R15: 1ffffd4000277e11 FS: 0000000000000000(0000) GS:ffff8880b8600000(0063) knlGS:00000000f50dfb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000317b8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop