rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 1-....
 } 2675 jiffies s: 1445 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
NMI backtrace for cpu 1
CPU: 1 PID: 5131 Comm: syz-executor.1 Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:copy_data kernel/printk/printk_ringbuffer.c:1820 [inline]
RIP: 0010:prb_read kernel/printk/printk_ringbuffer.c:1936 [inline]
RIP: 0010:_prb_read_valid+0x980/0xac0 kernel/printk/printk_ringbuffer.c:2113
Code: 48 89 df e8 b2 b0 84 00 e9 d0 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c fc fb ff ff 48 89 df e8 c5 b0 84 00 e9 ef fb ff ff <48> 8d 8c 24 e0 00 00 00 80 e1 07 80 c1 03 38 c1 0f 8c f5 fb ff ff
RSP: 0018:ffffc90000a17000 EFLAGS: 00000002
RAX: 0000000000000004 RBX: ffffc90000a17420 RCX: ffffffff8e24c040
RDX: 0000000000000018 RSI: ffffffff8e2d7928 RDI: ffffc90000a173d0
RBP: ffffc90000a171b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffffffff947e0920 R14: 0000000000000800 R15: 1ffff92000142e1c
FS:  0000555568465480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3fc3d81198 CR3: 00000000575c6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 prb_read_valid+0xa9/0xf0 kernel/printk/printk_ringbuffer.c:2182
 printk_get_next_message+0x1ee/0xbe0 kernel/printk/printk.c:2840
 console_emit_next_record kernel/printk/printk.c:2895 [inline]
 console_flush_all+0x410/0xfd0 kernel/printk/printk.c:2994
 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
 vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
 dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4951
 dev_printk_emit+0xdd/0x120 drivers/base/core.c:4962
 _dev_err+0x122/0x170 drivers/base/core.c:5017
 wdm_int_callback+0x41f/0xac0 drivers/usb/class/cdc-wdm.c:269
 __usb_hcd_giveback_urb+0x373/0x530 drivers/usb/core/hcd.c:1648
 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:seqcount_lockdep_reader_access+0x1e0/0x220 include/linux/seqlock.h:75
Code: 00 4d 85 ed 75 16 e8 bf 58 12 00 eb 15 e8 b8 58 12 00 e8 f3 89 02 0a 4d 85 ed 74 ea e8 a9 58 12 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00
RSP: 0018:ffffc90000a18300 EFLAGS: 00000246
RAX: ffffffff8183bdd7 RBX: 0000000000000000 RCX: ffff888057583c00
RDX: 0000000000000502 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a183b8 R08: ffffffff8183bdad R09: 1ffffffff25f50cd
R10: dffffc0000000000 R11: fffffbfff25f50ce R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000046 R15: 1ffff92000143060
 ktime_get_with_offset+0x83/0x150 kernel/time/timekeeping.c:891
 ktime_get_real include/linux/timekeeping.h:82 [inline]
 netif_rx_internal+0x459/0x630 net/core/dev.c:5130
 __netif_rx+0x78/0xc0 net/core/dev.c:5173
 veth_forward_skb drivers/net/veth.c:322 [inline]
 veth_xmit+0x61d/0xad0 drivers/net/veth.c:375
 __netdev_start_xmit include/linux/netdevice.h:4882 [inline]
 netdev_start_xmit include/linux/netdevice.h:4896 [inline]
 xmit_one net/core/dev.c:3578 [inline]
 dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594
 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393
 dev_queue_xmit include/linux/netdevice.h:3095 [inline]
 hsr_xmit net/hsr/hsr_forward.c:389 [inline]
 hsr_forward_do net/hsr/hsr_forward.c:529 [inline]
 hsr_forward_skb+0x170d/0x2680 net/hsr/hsr_forward.c:686
 send_hsr_supervision_frame+0x660/0xce0 net/hsr/hsr_device.c:343
 hsr_announce+0x1a9/0x370 net/hsr/hsr_device.c:399
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers kernel/time/timer.c:2417 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5282
Code: c9 50 e8 99 c9 0b 00 48 83 c4 08 4c 89 f7 e8 cd 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 60 97 2a 0a e8 5b f8 36 00 fb 48 8b 5d c0 <48> 8d bb f8 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90003ddf228 EFLAGS: 00000282
RAX: 0b88a668d37d8400 RBX: ffff888057583c00 RCX: ffffffff8172c78a
RDX: dffffc0000000000 RSI: ffffffff8bcaba80 RDI: ffffffff8c1ff240
RBP: ffffc90003ddf270 R08: ffffffff92fa85b7 R09: 1ffffffff25f50b6
R10: dffffc0000000000 R11: fffffbfff25f50b7 R12: 1ffff110172a7ea7
R13: dffffc0000000000 R14: ffff8880b953e7c0 R15: ffff8880b953f538
 context_switch kernel/sched/core.c:5411 [inline]
 __schedule+0x17f0/0x4a20 kernel/sched/core.c:6745
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 ba 7f 89 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90003ddf600 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920007bbecc RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcacc00 RDI: ffffffff8c1ff240
RBP: ffffc90003ddf750 R08: ffffffff92fa85b7 R09: 1ffffffff25f50b6
R10: dffffc0000000000 R11: fffffbfff25f50b7 R12: 1ffff920007bbec8
R13: dffffc0000000000 R14: ffffc90003ddf660 R15: 0000000000000246
 __might_fault+0xc6/0x120 mm/memory.c:6233
 _copy_from_user+0x2a/0xe0 lib/usercopy.c:19
 copy_from_user include/linux/uaccess.h:183 [inline]
 get_entries net/ipv4/netfilter/arp_tables.c:855 [inline]
 do_arpt_get_ctl+0x78e/0x16a0 net/ipv4/netfilter/arp_tables.c:1461
 nf_getsockopt+0x299/0x2c0 net/netfilter/nf_sockopt.c:116
 ip_getsockopt+0x222/0x2e0 net/ipv4/ip_sockglue.c:1777
 tcp_getsockopt+0x163/0x1c0 net/ipv4/tcp.c:4399
 do_sock_getsockopt+0x373/0x850 net/socket.c:2374
 __sys_getsockopt+0x271/0x330 net/socket.c:2403
 __do_sys_getsockopt net/socket.c:2413 [inline]
 __se_sys_getsockopt net/socket.c:2410 [inline]
 __x64_sys_getsockopt+0xb5/0xd0 net/socket.c:2410
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3fc3c7ea8a
Code: c4 c1 e0 1a 0d 00 00 04 00 89 01 e9 e0 fe ff ff e8 3b 05 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7
RSP: 002b:00007f3fc3edf6a8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3fc3c7ea8a
RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f3fc3edf710 R08: 00007f3fc3edf6bc R09: 00007f3fc3edfaa7
R10: 00007f3fc3edf710 R11: 0000000000000212 R12: 00007f3fc3edf6bc
R13: 0000000000011b24 R14: 0000000000011adc R15: 0000000000000008
 </TASK>
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: nonzero urb status received: -71
cdc_wdm 5-1:1.0: wdm_int_callback - 0 bytes
cdc_wdm 5-1:1.0: n