------------[ cut here ]------------ WARNING: CPU: 1 PID: 17703 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:590 __kvm_handle_hva_range arch/x86/kvm/../../../virt/kvm/kvm_main.c:590 [inline] WARNING: CPU: 1 PID: 17703 at arch/x86/kvm/../../../virt/kvm/kvm_main.c:590 kvm_mmu_notifier_invalidate_range_start+0x920/0xa90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:809 Modules linked in: CPU: 1 PID: 17703 Comm: syz-executor.1 Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__kvm_handle_hva_range arch/x86/kvm/../../../virt/kvm/kvm_main.c:590 [inline] RIP: 0010:kvm_mmu_notifier_invalidate_range_start+0x920/0xa90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:809 Code: 84 e4 0f 85 9f f8 ff ff e8 0d 66 7d 00 90 0f 0b 90 e9 91 f8 ff ff e8 ff 65 7d 00 90 0f 0b 90 e9 d5 fd ff ff e8 f1 65 7d 00 90 <0f> 0b 90 e9 e0 fc ff ff e8 e3 65 7d 00 90 0f 0b 90 e9 a1 fc ff ff RSP: 0018:ffffc90003e27aa0 EFLAGS: 00010283 RAX: 00000000000026a1 RBX: 0000000020ffe000 RCX: ffffc90004bf9000 RDX: 0000000000040000 RSI: ffffffff810a0c5f RDI: 0000000000000006 RBP: ffffc90003e27d38 R08: 0000000000000006 R09: 0000000020ffe000 R10: 0000000020ffe000 R11: 0000000000000001 R12: ffffc90003e9da30 R13: 0000000000000001 R14: 0000000020ffe000 R15: ffffc90003ea6810 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7f79b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f733afb8 CR3: 00000000192ca000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mn_hlist_invalidate_range_start mm/mmu_notifier.c:493 [inline] __mmu_notifier_invalidate_range_start+0x3b7/0x8f0 mm/mmu_notifier.c:548 mmu_notifier_invalidate_range_start include/linux/mmu_notifier.h:457 [inline] do_pagemap_scan+0xbd5/0xcd0 fs/proc/task_mmu.c:2438 do_pagemap_cmd+0x5e/0x80 fs/proc/task_mmu.c:2494 __do_compat_sys_ioctl+0x2bf/0x330 fs/ioctl.c:972 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x62/0xe0 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7f7e579 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 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f795ac EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00000000c0606610 RDX: 0000000020000200 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi