rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=3b3/1/0x4000000000000002 softirq=24288/24292 fqs=2100 
	(detected by 1, t=10505 jiffies, g=28225, q=208572)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11881 Comm: syz.3.3636 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:asm_sysvec_irq_work+0x0/0x20 arch/x86/include/asm/idtentry.h:707
Code: e9 a5 03 00 00 90 90 90 90 90 0f 01 ca fc 6a ff e8 a5 02 00 00 48 89 c4 48 89 e7 e8 8a c1 e8 ff e9 85 03 00 00 90 90 90 90 90 <0f> 01 ca fc 6a ff e8 85 02 00 00 48 89 c4 48 89 e7 e8 5a c6 e8 ff
RSP: 0000:ffffc900049df958 EFLAGS: 00000006
RAX: 533ec5a0c8994800 RBX: 1ffff9200093bf34 RCX: 533ec5a0c8994800
RDX: dffffc0000000000 RSI: ffffffff8a0b1620 RDI: ffffffff8a59a240
RBP: ffffc900049dfa58 R08: dffffc0000000000 R09: fffffbfff1ff7619
R10: fffffbfff1ff7619 R11: 1ffffffff1ff7618 R12: ffffffff8c120900
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  000055556668f500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f29da7ea000 CR3: 0000000021984000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 dd 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0000:ffffc900049df980 EFLAGS: 00000206
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __mod_lruvec_page_state+0x1fe/0x330 mm/memcontrol.c:789
 page_add_new_anon_rmap+0x57d/0x8a0 mm/rmap.c:1203
 wp_page_copy+0xddd/0x1fd0 mm/memory.c:3116
 handle_pte_fault mm/memory.c:4668 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x1eca/0x43c0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f29da488f08
Code: 80 3d 1b 11 36 00 00 89 7c 24 0c 88 54 24 10 48 89 74 24 28 0f 85 c8 09 00 00 80 3d e6 47 e9 00 00 48 89 f5 41 89 d4 41 89 cd <c6> 05 f1 10 36 00 01 0f 85 23 04 00 00 80 3d b4 47 e9 00 00 0f 85
RSP: 002b:00007ffdb4fd7a90 EFLAGS: 00010246
RAX: 00007f29da7edfa0 RBX: 0000000000067f9c RCX: 0000000000000000
RDX: 00000000fffffc03 RSI: 00007f29da7ee038 RDI: 0000000000000000
RBP: 00007f29da7ee038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffc03
R13: 0000000000000000 R14: 00007ffdb4fd7b08 R15: 00007ffdb4fd7c60
 </TASK>