rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=f55/1/0x4000000000000002 softirq=29375/29378 fqs=5215 
	(detected by 1, t=10502 jiffies, g=32793, q=177614)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13291 Comm: syz.1.3733 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:native_apic_msr_eoi_write+0xb/0x10 arch/x86/include/asm/apic.h:214
Code: 8b 06 bf f0 03 00 00 89 de 5b 41 5e 41 5f ff e0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b9 0b 08 00 00 31 c0 31 d2 0f 30 <c3> 0f 1f 40 00 81 ff cf 00 00 00 7f 0c 83 ff 20 74 2a 83 ff 30 74
RSP: 0000:ffffc90000007fd8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8be319c8 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000b0
RBP: 0000000000000000 R08: ffffffff8f0e9008 R09: ffffffff8f0e9018
R10: ffffffff8f0e9010 R11: ffffffff8f0e9003 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055557080d500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9c82bcf000 CR3: 0000000072f2e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 apic_eoi arch/x86/include/asm/apic.h:400 [inline]
 ack_APIC_irq arch/x86/include/asm/apic.h:446 [inline]
 __sysvec_irq_work+0x51/0x240 arch/x86/kernel/irq_work.c:19
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x98/0xc0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 12 f2 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0000:ffffc90003bd7a00 EFLAGS: 00000206
RAX: 52d96cd4783e2d00 RBX: 1ffff9200077af44 RCX: 52d96cd4783e2d00
RDX: dffffc0000000000 RSI: ffffffff8a2b2780 RDI: ffffffff8a79f980
RBP: ffffc90003bd7ad0 R08: ffffffff901d40c7 R09: 1ffffffff203a818
R10: dffffc0000000000 R11: fffffbfff203a819 R12: ffffffff8c322f00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 wp_page_copy+0xef5/0x2050 mm/memory.c:3148
 handle_pte_fault mm/memory.c:4668 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x1f06/0x4410 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1355
 handle_page_fault arch/x86/mm/fault.c:1443 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1496
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f9c8285fe83
Code: 53 48 83 ec 38 80 3d 9b f1 36 00 00 89 7c 24 18 48 89 74 24 28 0f 85 cd 09 00 00 80 3d 69 28 ea 00 00 49 89 f1 41 89 d2 89 cb <c6> 05 76 f1 36 00 01 41 89 d7 0f 85 45 04 00 00 80 3d 36 28 ea 00
RSP: 002b:00007ffe52e014c0 EFLAGS: 00010246
RAX: 00007f9c82bd2fa0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 00007f9c82bd3038 RDI: 0000000000000000
RBP: 00007f9c82bd2fb0 R08: 0000000000000000 R09: 00007f9c82bd3038
R10: 0000000000000003 R11: 0000000000000000 R12: 00007f9c82bd2fa0
R13: 0000200000000000 R14: 00007ffe52e01538 R15: 00007f9c82bd2fa0
 </TASK>