rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2684 jiffies s: 10865 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6181 Comm: syz.1.487 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:trace_irq_enable_rcuidle+0xa6/0x140 include/trace/events/preemptirq.h:40
Code: 79 7e a9 00 00 f0 00 75 7f 65 ff 05 5c 90 79 7e 48 c7 c7 20 43 b7 8c e8 e8 2d e3 ff 89 c5 e8 31 ea 21 00 4c 8b 3d fa d8 82 0c <4d> 85 ff 74 28 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74
RSP: 0018:ffffc90000007658 EFLAGS: 00000046
RAX: f569639614fb4600 RBX: 0000000000000000 RCX: ffff888026c0bb80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffff8880b8e3580b R09: 1ffff110171c6b01
R10: dffffc0000000000 R11: ffffed10171c6b02 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffffff8a400e86 R15: ffff888073633590
FS:  00007f57a26846c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcccdc4eaeb CR3: 000000002723f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 92 31 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007740 EFLAGS: 00000206
RAX: f569639614fb4600 RBX: 1ffff92000000ef0 RCX: f569639614fb4600
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0de0
RBP: ffffc90000007840 R08: ffffffff90af527f R09: 1ffffffff215ea4f
R10: dffffc0000000000 R11: fffffbfff215ea50 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8e3b900 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 netif_receive_skb_list_internal+0xa11/0xca0 net/core/dev.c:5829
 gro_normal_list include/net/gro.h:433 [inline]
 napi_complete_done+0x378/0x850 net/core/dev.c:6169
 virtqueue_napi_complete drivers/net/virtio_net.c:403 [inline]
 virtnet_poll+0x9b7/0x1180 drivers/net/virtio_net.c:1717
 __napi_poll+0xc0/0x460 net/core/dev.c:6603
 napi_poll net/core/dev.c:6670 [inline]
 net_rx_action+0x5dd/0xb20 net/core/dev.c:6784
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 common_interrupt+0xb5/0xd0 arch/x86/kernel/irq.c:242
 </IRQ>
 <TASK>
 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:682
RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5124
Code: 0f 84 3b 01 00 00 48 85 db 0f 85 5a 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 d0 0d dd 08 e8 7b 2e 2f 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9001c43f8b8 EFLAGS: 00000286
RAX: f569639614fb4600 RBX: 0000000000000000 RCX: f569639614fb4600
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0de0
RBP: ffffc9001c43f910 R08: ffffffff90af527f R09: 1ffffffff215ea4f
R10: dffffc0000000000 R11: fffffbfff215ea50 R12: ffff888026c0bb80
R13: dffffc0000000000 R14: ffff88801fe7d940 R15: ffff8880b8e3b5d0
 context_switch kernel/sched/core.c:5248 [inline]
 __schedule+0x11d9/0x40e0 kernel/sched/core.c:6562
 preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
 irqentry_exit+0x63/0x70 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:perf_trace_init+0x92/0x2d0 kernel/trace/trace_event_perf.c:223
Code: 48 00 48 8b 1d af b0 2d 0b 48 81 fb 00 27 b8 8c 0f 84 75 01 00 00 4c 89 24 24 4c 8d 63 40 4c 89 e0 48 c1 e8 03 42 0f b6 04 30 <84> c0 0f 85 17 01 00 00 4d 63 24 24 4c 89 ff 4c 89 e6 e8 77 00 f8
RSP: 0018:ffffc9001c43fc20 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffffff8dc7f4c0 RCX: 0000000000080000
RDX: ffffc9000ca61000 RSI: 0000000000003841 RDI: 0000000000003842
RBP: 0000000000000002 R08: ffffffff8e1fcd2f R09: 1ffffffff1c3f9a5
R10: dffffc0000000000 R11: fffffbfff1c3f9a6 R12: ffffffff8dc7f500
R13: 0000000000000000 R14: dffffc0000000000 R15: 000000000000019d
 perf_tp_event_init+0x89/0x110 kernel/events/core.c:10084
 perf_try_init_event+0x12b/0x3d0 kernel/events/core.c:11594
 perf_init_event kernel/events/core.c:11658 [inline]
 perf_event_alloc+0xf5c/0x21b0 kernel/events/core.c:11950
 __do_sys_perf_event_open kernel/events/core.c:12486 [inline]
 __se_sys_perf_event_open+0x6fd/0x1ec0 kernel/events/core.c:12378
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f57a179c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f57a2684028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f57a1a15fa0 RCX: 00007f57a179c799
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000200
RBP: 00007f57a1832bd9 R08: 0000000000000008 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f57a1a16038 R14: 00007f57a1a15fa0 R15: 00007fff65472f58
 </TASK>