rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5793 jiffies s: 3645 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3837 Comm: syz.2.34 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:perf_trace_lock+0x89/0x440 include/trace/events/lock.h:50
Code: 70 80 98 69 81 48 8d 4c 24 60 48 c1 e9 03 48 b8 f1 f1 f1 f1 00 f2 f2 f2 4a 89 04 39 48 89 4c 24 58 42 c7 44 39 08 04 f3 f3 f3 <48> 89 f8 48 c1 e8 03 48 89 44 24 20 42 80 3c 38 00 74 05 e8 df 98
RSP: 0018:ffffc900001dfac0 EFLAGS: 00000802
RAX: f2f2f200f1f1f1f1 RBX: ffffc900001dfb60 RCX: 1ffff9200003bf64
RDX: ffffffff8179d58c RSI: ffff8880b8f2a4d8 RDI: ffffc900001dfb40
RBP: ffffc900001dfbd0 R08: dffffc0000000000 R09: fffffbfff1d33f2e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f2a4d8
R13: ffffffff8179d58c R14: ffffffff8d1f74e0 R15: dffffc0000000000
FS:  00007fbc7f6c26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbc7f6c1f98 CR3: 000000005c4e3000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x995/0xa20 kernel/locking/lockdep.c:5673
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194
 hrtimer_interrupt+0x53c/0x980 kernel/time/hrtimer.c:1825
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__rcu_read_lock+0x1/0xb0 kernel/rcu/tree_plugin.h:401
Code: 00 e9 16 fb ff ff 41 81 fe 00 00 00 80 4c 8b b4 24 a8 00 00 00 0f 84 b2 fc ff ff e9 82 fc ff ff e8 64 75 32 09 0f 1f 40 00 55 <41> 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 4c 8b 3d 38 39 8e
RSP: 0018:ffffc900001dffb8 EFLAGS: 00000246
RAX: ffffffff81ecd560 RBX: ffffea0000af92c0 RCX: ffff88801b3a9dc0
RDX: 0000000000000100 RSI: ffffffff9014205c RDI: ffffea0000af92c0
RBP: ffffea0000af92d8 R08: ffffffff90142040 R09: ffffffff90142048
R10: ffffffff90142058 R11: ffffffff90142050 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
 rcu_read_lock include/linux/rcupdate.h:789 [inline]
 page_ext_get+0x15/0x2a0 mm/page_ext.c:157
 __reset_page_owner+0x32/0x1a0 mm/page_owner.c:144
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1444 [inline]
 free_pcp_prepare mm/page_alloc.c:1494 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3369
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3464
 skb_free_frag include/linux/skbuff.h:3241 [inline]
 skb_free_head net/core/skbuff.c:760 [inline]
 skb_release_data+0x636/0x7a0 net/core/skbuff.c:791
 skb_release_all net/core/skbuff.c:856 [inline]
 __kfree_skb net/core/skbuff.c:870 [inline]
 consume_skb+0xa3/0x140 net/core/skbuff.c:1035
 arp_process+0xf62/0x1ea0 net/ipv4/arp.c:938
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 __netif_receive_skb_list_ptype net/core/dev.c:5576 [inline]
 __netif_receive_skb_list_core+0x4ce/0x890 net/core/dev.c:5609
 __netif_receive_skb_list net/core/dev.c:5671 [inline]
 netif_receive_skb_list_internal+0xa0d/0xe20 net/core/dev.c:5762
 gro_normal_list include/net/gro.h:433 [inline]
 gro_normal_one include/net/gro.h:446 [inline]
 napi_skb_finish net/core/gro.c:628 [inline]
 napi_gro_receive+0x4be/0xb60 net/core/gro.c:658
 receive_buf+0x2571/0x5640 drivers/net/virtio_net.c:1297
 virtnet_receive drivers/net/virtio_net.c:1562 [inline]
 virtnet_poll+0x6d5/0x1450 drivers/net/virtio_net.c:1680
 __napi_poll+0xc7/0x470 net/core/dev.c:6537
 napi_poll net/core/dev.c:6604 [inline]
 net_rx_action+0x70f/0xeb0 net/core/dev.c:6718
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:lock_release+0x637/0xa20 kernel/locking/lockdep.c:5686
Code: 3c 3b 00 74 08 4c 89 f7 e8 16 82 77 00 f6 84 24 91 00 00 00 02 75 6f 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90004c1f660 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000983ede RCX: ffffc90004c1f603
RDX: 0000000000000000 RSI: ffffffff8b0c14c0 RDI: ffffffff8b5d7180
RBP: ffffc90004c1f790 R08: dffffc0000000000 R09: fffffbfff1d33f2e
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000983ed8
R13: 0000000000000246 R14: ffffc90004c1f6f0 R15: dffffc0000000000
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 do_dentry_open+0x32/0x10f0 fs/open.c:833
 do_o_path+0x174/0x230 fs/namei.c:3759
 path_openat+0x2884/0x2e60 fs/namei.c:3778
 do_filp_open+0x230/0x480 fs/namei.c:3812
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbc7e97dff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbc7f6c2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbc7eb35f80 RCX: 00007fbc7e97dff9
RDX: 0000000000200002 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007fbc7e9f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbc7eb35f80 R15: 00007ffcfee83c48
 </TASK>