rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=a454/1/0x4000000000000000 softirq=139985/139991 fqs=2100
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number: 18022480          0            0
rcu: 	cputime:     6441      46076            0   ==> 52500(ms)
rcu: 	(detected by 1, t=10505 jiffies, g=115301, q=1223 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 28713 Comm: syz-executor217 Not tainted 6.6.102-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:perf_tp_event+0x24/0x13a0 kernel/events/core.c:10318
Code: a2 fb 2f 00 eb a2 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 c0 48 81 ec 40 02 00 00 4c 89 cb 4c 89 44 24 10 <41> 89 cc 49 89 d5 48 89 74 24 18 89 7c 24 08 65 48 8b 04 25 28 00
RSP: 0018:ffffc900000072c0 EFLAGS: 00000086
RAX: 0000000000000000 RBX: ffffe8ffffc21bf0 RCX: 0000000000000014
RDX: ffffe8ffffc2b340 RSI: 0000000000000001 RDI: 0000000000000129
RBP: ffffc90000007528 R08: ffff8880b8e36aa8 R09: ffffe8ffffc21bf0
R10: ffffe8ffffc2b34c R11: fffff91ffff8566b R12: ffffe8ffffc2b340
R13: ffffffff8cd83550 R14: ffff8880b8e36aa8 R15: dffffc0000000000
FS:  00005555635c3480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555635cd808 CR3: 0000000061dfd000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 perf_trace_run_bpf_submit+0xf4/0x1c0 kernel/events/core.c:10267
 perf_trace_preemptirq_template+0x281/0x340 include/trace/events/preemptirq.h:14
 trace_irq_enable+0xbf/0xe0 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56
 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:723
RIP: 0010:rcu_read_unlock_special+0x88/0x4c0 kernel/rcu/tree_plugin.h:682
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 39 58 93 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90000007740 EFLAGS: 00000206
RAX: 5215f6ca35ed9700 RBX: 1ffff92000000ef0 RCX: 5215f6ca35ed9700
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: ffffffff8afc66c0
RBP: ffffc90000007840 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: ffffffff8cd35400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:818 [inline]
 netif_receive_skb_list_internal+0x9ed/0xc60 net/core/dev.c:5831
 gro_normal_list include/net/gro.h:448 [inline]
 napi_complete_done+0x32a/0x810 net/core/dev.c:6170
 virtqueue_napi_complete drivers/net/virtio_net.c:450 [inline]
 virtnet_poll+0xa44/0x1180 drivers/net/virtio_net.c:2231
 __napi_poll+0xc0/0x460 net/core/dev.c:6600
 napi_poll net/core/dev.c:6667 [inline]
 net_rx_action+0x5ea/0xbf0 net/core/dev.c:6803
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 common_interrupt+0xb9/0xd0 arch/x86/kernel/irq.c:249
 </IRQ>
 <TASK>
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:678
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 aa 8f f0 f6 48 89 df e8 c2 61 f1 f6 e8 7d fd 14 f7 fb bf 01 00 00 00 <e8> 12 7a e4 f6 65 8b 05 33 c9 8c 75 85 c0 74 02 5b c3 e8 10 ab 89
RSP: 0018:ffffc9000472fd50 EFLAGS: 00000282
RAX: 5215f6ca35ed9700 RBX: ffff88802ec2dc80 RCX: 5215f6ca35ed9700
RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: 0000000000000001
RBP: ffffc9000472feb0 R08: ffffffff8e4a882f R09: 1ffffffff1c95105
R10: dffffc0000000000 R11: fffffbfff1c95106 R12: 1ffff1100e4a1005
R13: ffff88807250802c R14: 1ffff1100e4a1123 R15: 0000000000000000
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 coredump_task_exit kernel/exit.c:413 [inline]
 do_exit+0x322/0x23c0 kernel/exit.c:825
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1024
 __do_sys_exit_group kernel/exit.c:1035 [inline]
 __se_sys_exit_group kernel/exit.c:1033 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3234141b69
Code: 90 49 c7 c0 b8 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00
RSP: 002b:00007ffe2b687f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3234141b69
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f32341bb390 R08: ffffffffffffffb8 R09: 00007ffe2b68800c
R10: 0000000000000002 R11: 0000000000000246 R12: 00007f32341bb390
R13: 0000000000000000 R14: 00007f32341bce60 R15: 00007f323410ac60
 </TASK>