rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=b13/1/0x4000000000000002 softirq=15447/15448 fqs=3197 
	(detected by 1, t=10502 jiffies, g=20689, q=1340)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__trace_hardirqs_on_caller kernel/locking/lockdep.c:4218 [inline]
RIP: 0010:lockdep_hardirqs_on_prepare+0x2e9/0x760 kernel/locking/lockdep.c:4278
Code: 89 df e8 0a 6c 60 00 48 ba 00 00 00 00 00 fc ff df eb 85 48 8b 44 24 10 4c 8d b8 d0 0a 00 00 4c 89 f8 48 c1 e8 03 0f b6 04 10 <84> c0 0f 85 3e 03 00 00 41 83 3f 00 0f 84 f5 00 00 00 41 0f b6 04
RSP: 0018:ffffc90000d37720 EFLAGS: 00000806
RAX: 0000000000000000 RBX: ffff88813feaa8a8 RCX: 3e67f129e10f2d00
RDX: dffffc0000000000 RSI: ffffffff8a0b29e0 RDI: ffffffff8a59e800
RBP: ffffc90000d377d8 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 R12: ffff88813feaa8f8
R13: 0000000000000001 R14: 1ffff11027fd5515 R15: ffff88813feaa890
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555579065808 CR3: 000000000be8e000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 trace_hardirqs_on+0x67/0x80 kernel/trace/trace_preemptirq.c:49
 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: 0018:ffffc90000d378a0 EFLAGS: 00000206
RAX: 3e67f129e10f2d00 RBX: 1ffff920001a6f18 RCX: 3e67f129e10f2d00
RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800
RBP: ffffc90000d37980 R08: dffffc0000000000 R09: ffffed1017207662
R10: ffffed1017207662 R11: 1ffff11017207661 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]
 process_backlog+0x3e3/0x780 net/core/dev.c:6517
 __napi_poll+0xc0/0x430 net/core/dev.c:7075
 napi_poll net/core/dev.c:7142 [inline]
 net_rx_action+0x4a8/0x9c0 net/core/dev.c:7232
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 run_ksoftirqd+0x98/0xf0 kernel/softirq.c:943
 smpboot_thread_fn+0x4f6/0x970 kernel/smpboot.c:164
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>