rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2686 jiffies s: 9201 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11123 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1718 [inline] RIP: 0010:__hrtimer_run_queues+0x71a/0xd50 kernel/time/hrtimer.c:1756 Code: 24 18 48 8b 74 24 58 42 0f b6 04 2e 84 c0 48 8b 54 24 10 0f 85 ca 01 00 00 ff 02 42 0f b6 04 2e 84 c0 0f 85 e4 01 00 00 ff 02 <48> 8b 44 24 60 42 80 3c 28 00 74 08 48 89 df e8 82 1b 77 00 4c 39 RSP: 0018:ffffc90000a08d60 EFLAGS: 00000006 RAX: 0000000000000000 RBX: ffff8880b952c9c8 RCX: dffffc0000000000 RDX: ffff8880b952c990 RSI: 1ffff110172a5932 RDI: ffff88802f4fd340 RBP: ffffc90000a08ea8 R08: ffff88802f4fd357 R09: 0000000000000000 R10: ffff88802f4fd348 R11: ffffed1005e9fa6b R12: 1ffff110172a593b R13: dffffc0000000000 R14: ffff88802f4fd340 R15: ffff8880b952c880 FS: 0000000000000000(0000) GS:ffff8880b9500000(0063) knlGS:00000000f5f27b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f74ac114 CR3: 0000000029bd0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:alloc_pages+0x3c/0x170 mm/mempolicy.c:2332 Code: 89 fd e8 37 76 9e ff 65 8b 1d 28 3a 0c 7e 81 e3 00 ff ff 00 44 89 ed 81 e5 00 00 20 00 89 de 09 ee 31 ff e8 56 7a 9e ff 09 dd <74> 11 e8 0d 76 9e ff 48 c7 c3 40 a9 43 8e e9 b5 00 00 00 49 bf 00 RSP: 0018:ffffc9000d247948 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffff888051a61e00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81f799ba R09: 1ffff1100a34c3c0 R10: dffffc0000000000 R11: ffffed100a34c3c1 R12: 00000000ffffffff R13: 0000000000402dc2 R14: 0000000000000000 R15: ffffea00013b2e40 vm_area_alloc_pages mm/vmalloc.c:3561 [inline] __vmalloc_area_node mm/vmalloc.c:3637 [inline] __vmalloc_node_range+0x9a4/0x1490 mm/vmalloc.c:3818 __vmalloc_node mm/vmalloc.c:3883 [inline] __vmalloc+0x79/0x90 mm/vmalloc.c:3897 kvm_arch_alloc_vm arch/x86/include/asm/kvm_host.h:1867 [inline] kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1190 [inline] kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5459 [inline] kvm_dev_ioctl+0x146/0x2320 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5501 __do_compat_sys_ioctl fs/ioctl.c:1004 [inline] __se_compat_sys_ioctl+0x51c/0xca0 fs/ioctl.c:947 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xb8/0x120 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: 0023:0xf7335579 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:00000000f5f275ac EFLAGS: 00000206 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000000ae01 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000