rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=30dc/1/0x4000000000000000 softirq=468049/468053 fqs=5230
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:     6032          0            0
rcu: 	cputime:      165      52313            4   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=381941 q=4242 ncpus=2)
CPU: 0 UID: 0 PID: 3730 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: tipc_crypto tipc_crypto_work_tx
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:217
Code: 5b e9 b3 fb 5a 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 08 10 80 92 <65> 8b 15 58 18 bf 10 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75
RSP: 0018:ffffc90000007c68 EFLAGS: 00000246
RAX: ffffffff89707c5e RBX: ffff8880b18c5800 RCX: ffff888031803d00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8880b18c5800
RBP: ffff8880599d3000 R08: ffffffff896fcc56 R09: ffffffff8df41aa0
R10: 0000000000000001 R11: ffffffff89631050 R12: dffffc0000000000
R13: ffff8880481b8000 R14: ffff8880b18c5800 R15: ffffffff8f82ab38
FS:  0000000000000000(0000) GS:ffff888125e1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77af0d8a90 CR3: 000000000dd3a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 taprio_dequeue_from_txq+0x48e/0x980 net/sched/sch_taprio.c:727
 taprio_dequeue_tc_priority+0x1ac/0x750 net/sched/sch_taprio.c:793
 taprio_dequeue+0x186/0x550 net/sched/sch_taprio.c:-1
 dequeue_skb net/sched/sch_generic.c:297 [inline]
 qdisc_restart net/sched/sch_generic.c:402 [inline]
 __qdisc_run+0x23f/0x1510 net/sched/sch_generic.c:420
 qdisc_run+0xc7/0x300 include/net/pkt_sched.h:120
 net_tx_action+0x717/0x900 net/core/dev.c:5782
 handle_softirqs+0x22b/0x7c0 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0x60/0x150 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x222/0x340 kernel/locking/lockdep.c:5872
Code: ff ff ff e8 20 d1 bb 09 f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 0a 20 e2 10 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 37 78 e7
RSP: 0018:ffffc9000d3b7a40 EFLAGS: 00000282
RAX: 728e76e23697d200 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000caf05000 RSI: ffffffff8d976251 RDI: ffffffff8bc08360
RBP: ffffffff818b9faf R08: ffffffff818b9faf R09: ffffc9000d3b7bc0
R10: dffffc0000000000 R11: fffffbfff1f0446f R12: 0000000000000000
R13: ffffc9000d3b7bc0 R14: 0000000000000001 R15: 0000000000000246
 process_one_work kernel/workqueue.c:3233 [inline]
 process_scheduled_works+0xa0c/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
sched: DL replenish lagged too much