------------[ cut here ]------------ WARNING: arch/x86/kvm/x86.c:13965 at kvm_arch_can_dequeue_async_page_present+0x1a9/0x2f0 arch/x86/kvm/x86.c:13965, CPU#1: syz.3.208/6720 Modules linked in: CPU: 1 UID: 0 PID: 6720 Comm: syz.3.208 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:kvm_arch_can_dequeue_async_page_present+0x1a9/0x2f0 arch/x86/kvm/x86.c:13965 Code: 00 65 48 8b 0d 58 81 72 11 48 3b 4c 24 40 75 21 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 3e af 20 0a cc e8 48 e1 79 00 90 <0f> 0b 90 b0 01 eb c0 e8 4b c1 1d 0a f3 0f 1e fa 4c 8d b3 f8 02 00 RSP: 0018:ffffc900191b7460 EFLAGS: 00010283 RAX: ffffffff8147eee8 RBX: ffff88807dd15280 RCX: 0000000000080000 RDX: ffffc9000cadf000 RSI: 000000000000226a RDI: 000000000000226b RBP: ffffc900191b74e8 R08: ffff88807dd152bf R09: 1ffff1100fba2a57 R10: dffffc0000000000 R11: ffffed100fba2a58 R12: 1ffff92003236e8c R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f9756c766c0(0000) GS:ffff888125b79000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002a03c000 CR4: 00000000003526f0 Call Trace: kvm_check_async_pf_completion+0x102/0x3c0 virt/kvm/async_pf.c:158 vcpu_enter_guest arch/x86/kvm/x86.c:11209 [inline] vcpu_run+0x26be/0x7760 arch/x86/kvm/x86.c:11650 kvm_arch_vcpu_ioctl_run+0x116c/0x1cb0 arch/x86/kvm/x86.c:11995 kvm_vcpu_ioctl+0x99a/0xed0 virt/kvm/kvm_main.c:4477 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9755d8f6c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 ------------[ cut here ]------------ WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278, CPU#1: syz.3.208/6720 Modules linked in: CPU: 1 UID: 0 PID: 6720 Comm: syz.3.208 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278 Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 87 47 1f 00 90 <0f> 0b 90 eb 05 e8 7c 47 1f 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41 RSP: 0018:ffffc900191b6ae0 EFLAGS: 00010087 RAX: ffffffff81a288a9 RBX: 00003fffffffffff RCX: 0000000000080000 RDX: ffffc9000cadf000 RSI: 0000000000056298 RDI: 0000000000056299 RBP: 0000000000000012 R08: ffffc900191b6c27 R09: 1ffff92003236d84 R10: dffffc0000000000 R11: fffff52003236d85 R12: 0000000000000012 R13: 0000000000000000 R14: ffffffff8e22e208 R15: 1ffffffff1c4a6c2 FS: 00007f9756c766c0(0000) GS:ffff888125b79000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000002a03c000 CR4: 00000000003526f0 Call Trace: prb_reserve_in_last+0x574/0x18f0 kernel/printk/printk_ringbuffer.c:1447 vprintk_store+0x641/0xd00 kernel/printk/printk.c:2273 vprintk_emit+0x15f/0x590 kernel/printk/printk.c:2399 _printk+0xcf/0x120 kernel/printk/printk.c:2448 __show_regs+0x8d/0x620 arch/x86/kernel/process_64.c:80 show_regs_if_on_stack arch/x86/kernel/dumpstack.c:165 [inline] __show_trace_log_lvl+0x423/0x550 arch/x86/kernel/dumpstack.c:298 __warn+0x182/0x4c0 kernel/panic.c:899 __report_bug lib/bug.c:195 [inline] report_bug+0x2be/0x4f0 lib/bug.c:215 handle_bug+0x84/0x160 arch/x86/kernel/traps.c:338 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:392 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:616 RIP: 0010:kvm_arch_can_dequeue_async_page_present+0x1a9/0x2f0 arch/x86/kvm/x86.c:13965 Code: 00 65 48 8b 0d 58 81 72 11 48 3b 4c 24 40 75 21 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 3e af 20 0a cc e8 48 e1 79 00 90 <0f> 0b 90 b0 01 eb c0 e8 4b c1 1d 0a f3 0f 1e fa 4c 8d b3 f8 02 00 RSP: 0018:ffffc900191b7460 EFLAGS: 00010283 RAX: ffffffff8147eee8 RBX: ffff88807dd15280 RCX: 0000000000080000 RDX: ffffc9000cadf000 RSI: 000000000000226a RDI: 000000000000226b RBP: ffffc900191b74e8 R08: ffff88807dd152bf R09: 1ffff1100fba2a57 R10: dffffc0000000000 R11: ffffed100fba2a58 R12: 1ffff92003236e8c R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 kvm_check_async_pf_completion+0x102/0x3c0 virt/kvm/async_pf.c:158 vcpu_enter_guest arch/x86/kvm/x86.c:11209 [inline] vcpu_run+0x26be/0x7760 arch/x86/kvm/x86.c:11650 kvm_arch_vcpu_ioctl_run+0x116c/0x1cb0 arch/x86/kvm/x86.c:11995 kvm_vcpu_ioctl+0x99a/0xed0 virt/kvm/kvm_main.c:4477 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9755d8f6c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9756c76038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9755fe6090 RCX: 00007f9755d8f6c9 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 RBP: 00007f9755e11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9755fe6128 R14: 00007f9755fe6090 R15: 00007fff3561ca58