rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=553/1/0x4000000000000002 softirq=20282/20283 fqs=2100 
	(detected by 1, t=10506 jiffies, g=23337, q=205986)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10099 Comm: syz.2.2821 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:trace_hardirqs_on+0x21/0x80 kernel/trace/trace_preemptirq.c:43
Code: 66 0f 1f 84 00 00 00 00 00 53 e8 1a e2 f9 ff 65 8b 1d fb 48 85 7e 31 ff 89 de e8 6a e5 f9 ff 85 db 74 25 65 8b 1d b7 85 84 7e <89> de 81 e6 00 00 f0 00 31 ff e8 50 e5 f9 ff 81 e3 00 00 f0 00 74
RSP: 0000:ffffc9000c94f948 EFLAGS: 00000002
RAX: ffffffff817dea06 RBX: 0000000000000001 RCX: ffff88805e2f0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1027fd3c81
R10: ffffed1027fd3c81 R11: 1ffff11027fd3c80 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00005555642ad500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71554b3000 CR3: 000000005a2ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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 ed 11 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:ffffc9000c94fa00 EFLAGS: 00000206
RAX: 1641352d528c8c00 RBX: 1ffff92001929f44 RCX: 1641352d528c8c00
RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800
RBP: ffffc9000c94fad0 R08: dffffc0000000000 R09: fffffbfff1ff5419
R10: fffffbfff1ff5419 R11: 1ffffffff1ff5418 R12: ffffffff8c120c00
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+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+0x1ec7/0x43b0 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: 0033:0x7f71551322e8
Code: 80 3d 3b 0d 38 00 00 89 7c 24 0c 88 54 24 10 48 89 74 24 28 0f 85 c8 09 00 00 80 3d 06 44 eb 00 00 48 89 f5 41 89 d4 41 89 cd <c6> 05 11 0d 38 00 01 0f 85 23 04 00 00 80 3d d4 43 eb 00 00 0f 85
RSP: 002b:00007ffe4c6fbf80 EFLAGS: 00010246
RAX: 00007f71554b6fa0 RBX: 000000000007311e RCX: 0000000000000000
RDX: 00000000fffffc03 RSI: 00007f71554b7038 RDI: 0000000000000000
RBP: 00007f71554b7038 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 00000000fffffc03
R13: 0000000000000000 R14: 00007ffe4c6fbff8 R15: 00007ffe4c6fc150
 </TASK>