rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (0 ticks this GP) idle=4af/1/0x4000000000000000 softirq=23743/23743 fqs=2099 
	(detected by 1, t=10502 jiffies, g=26557, q=7212)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12444 Comm: syz.3.3649 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:trace_hardirqs_off_finish+0x12/0x1f0 kernel/trace/trace_preemptirq.c:63
Code: 40 ff ff ff e8 df df f9 ff e8 52 8f 82 ff e9 9f fe ff ff 0f 1f 44 00 00 55 41 57 41 56 53 e8 c5 df f9 ff 65 8b 1d 96 47 85 7e <31> ff 89 de e8 15 e3 f9 ff 85 db 74 0a e8 ac df f9 ff e9 a8 00 00
RSP: 0000:ffffc90005027908 EFLAGS: 00000093
RAX: ffffffff817deb5b RBX: 0000000000000000 RCX: ffff88801f473b80
RDX: 0000000000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  000055557f52c500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f14dfb2c000 CR3: 000000005c7d4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 irqentry_enter+0x33/0x50 kernel/entry/common.c:384
 sysvec_irq_work+0xa/0xc0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
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 ad 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:ffffc90005027a00 EFLAGS: 00000206
RAX: 035d8b70999acb00 RBX: 1ffff92000a04f44 RCX: 035d8b70999acb00
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a480
RBP: ffffc90005027ad0 R08: dffffc0000000000 R09: fffffbfff1ff7819
R10: fffffbfff1ff7819 R11: 1ffffffff1ff7818 R12: ffffffff8c120b00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093
 wp_page_copy+0xeb2/0x1fd0 mm/memory.c:3148
 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: 0033:0x7f14df7baef8
Code: 80 3d 2b 11 37 00 00 89 7c 24 0c 88 54 24 10 48 89 74 24 28 0f 85 c8 09 00 00 80 3d f6 47 ea 00 00 48 89 f5 41 89 d4 41 89 cd <c6> 05 01 11 37 00 01 0f 85 23 04 00 00 80 3d c4 47 ea 00 00 0f 85
RSP: 002b:00007ffc115fa000 EFLAGS: 00010246
RAX: 00007f14dfb2ffa0 RBX: 000000000003df3f RCX: 0000000000000000
RDX: 0000000000000003 RSI: 00007f14dfb30038 RDI: 0000000000000000
RBP: 00007f14dfb30038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000003
R13: 0000000000000000 R14: 00007ffc115fa078 R15: 00007ffc115fa1d0
 </TASK>