rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=c61c/1/0x4000000000000000 softirq=193019/193045 fqs=1
rcu: 	(detected by 1, t=10506 jiffies, g=260341, q=395 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15332 Comm: syz-executor.0 Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:__raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
RIP: 0010:_raw_spin_lock_irq+0x9c/0x120 kernel/locking/spinlock.c:170
Code: 3c 3b 00 74 08 4c 89 f7 e8 f1 77 15 f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 42 80 3c 3b 00 74 08 4c 89 f7 e8 34 77 15 f7 <8b> 44 24 20 fa a9 00 02 00 00 74 05 e8 23 58 c2 f6 bf 01 00 00 00
RSP: 0018:ffffc90000007cc0 EFLAGS: 00000046
RAX: f3f3f300f1f1f1f1 RBX: 1ffff92000000f9c RCX: ffff8880931d8000
RDX: 0000000000010002 RSI: ffffffff8b597480 RDI: ffff8880b982b840
RBP: ffffc90000007d50 R08: ffffffff817cc6d8 R09: 1ffffffff1d346dd
R10: dffffc0000000000 R11: fffffbfff1d346de R12: ffff8880b982b840
R13: 1ffff92000000f98 R14: ffffc90000007ce0 R15: dffffc0000000000
FS:  0000555555dbe480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f37f82c56be CR3: 0000000094a22000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1692 [inline]
 __hrtimer_run_queues+0x66c/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 kernel/kcov.c:207
Code: f0 2a 76 7e 65 8b 15 f1 2a 76 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 04 16 00 00 00 74 2c 8b 91 e0 15 00 00 <83> fa 02 75 21 48 8b 91 e8 15 00 00 48 8b 32 48 8d 7e 01 8b 89 e4
RSP: 0018:ffffc9000344f260 EFLAGS: 00000246
RAX: ffffffff81f2ac5e RBX: ffffea0000a30b80 RCX: ffff8880931d8000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0000a30b80
RBP: ffffea0000000000 R08: ffffffff81f2bf5e R09: 1ffffd4000146170
R10: dffffc0000000000 R11: fffff94000146171 R12: 0000000000000001
R13: 0000000000000001 R14: ffff88813fff9000 R15: ffffea0000a30b80
 rcu_lock_acquire+0xe/0x40 include/linux/rcupdate.h:303
 rcu_read_lock include/linux/rcupdate.h:749 [inline]
 page_ext_get+0x1c/0x270 mm/page_ext.c:508
 page_table_check_set+0x1fd/0x860 mm/page_table_check.c:109
 __page_table_check_ptes_set+0x220/0x280 mm/page_table_check.c:196
 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
 set_ptes include/linux/pgtable.h:226 [inline]
 copy_present_pte mm/memory.c:978 [inline]
 copy_pte_range mm/memory.c:1082 [inline]
 copy_pmd_range mm/memory.c:1167 [inline]
 copy_pud_range mm/memory.c:1204 [inline]
 copy_p4d_range mm/memory.c:1228 [inline]
 copy_page_range+0x2bdd/0x4270 mm/memory.c:1326
 dup_mmap kernel/fork.c:758 [inline]
 dup_mm kernel/fork.c:1686 [inline]
 copy_mm+0x1207/0x1f10 kernel/fork.c:1735
 copy_process+0x1a0f/0x4290 kernel/fork.c:2501
 kernel_clone+0x22d/0x7b0 kernel/fork.c:2909
 __do_sys_clone kernel/fork.c:3052 [inline]
 __se_sys_clone kernel/fork.c:3036 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:3036
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f37f7679b13
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffe57088f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f37f7679b13
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000555555dbe750 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
rcu: rcu_preempt kthread starved for 10500 jiffies! g260341 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27024 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x1873/0x48f0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 schedule_timeout+0x1bd/0x310 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x2c6/0x1010 kernel/rcu/tree.c:1613
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1812
 kthread+0x2b8/0x350 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 27536 Comm: syz-executor.1 Not tainted 6.5.0-syzkaller-11275-gdb906f0ca6bb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:csd_lock_wait kernel/smp.c:300 [inline]
RIP: 0010:smp_call_function_many_cond+0x180a/0x2890 kernel/smp.c:844
Code: 89 e6 83 e6 01 31 ff e8 c4 43 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 ff 3f 0b 00 eb 38 f3 90 42 0f b6 04 23 <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 e3 3f 0b 00 eb e4 44
RSP: 0018:ffffc9000d91f9c0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff110173087b9 RCX: ffff88802f685940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000d91fbc0 R08: ffffffff81824dac R09: 1ffffffff1d346dd
R10: dffffc0000000000 R11: fffffbfff1d346de R12: dffffc0000000000
R13: ffff8880b9843dc8 R14: ffff8880b993d440 R15: 0000000000000000
FS:  00005555563df480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559919905600 CR3: 000000003c22d000 CR4: 00000000003526e0
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1012
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1998 [inline]
 text_poke_bp_batch+0x350/0xb20 arch/x86/kernel/alternative.c:2208
 text_poke_flush arch/x86/kernel/alternative.c:2399 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2406
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 __static_key_slow_dec_cpuslocked+0x107/0x160 kernel/jump_label.c:276
 __static_key_slow_dec kernel/jump_label.c:283 [inline]
 static_key_slow_dec+0x51/0xa0 kernel/jump_label.c:298
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1322 [inline]
 kvm_put_kvm+0x1173/0x15e0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1347
 kvm_vm_release+0x46/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1370
 __fput+0x3f8/0x910 fs/file_table.c:384
 __do_sys_close fs/open.c:1572 [inline]
 __se_sys_close+0x15f/0x220 fs/open.c:1557
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2f41e7b9da
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007fff8a9225b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f41e7b9da
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000032 R08: 0000001b32620000 R09: 0000000000000000
R10: 0000000081336e36 R11: 0000000000000293 R12: 00007f2f41a00520
R13: ffffffffffffffff R14: 00007f2f41a00000 R15: 0000000000306832
 </TASK>