rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=8204/1/0x4000000000000000 softirq=14747/14750 fqs=4544
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1047283          0            0
rcu: 	cputime:    24500      27987           89   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=6165 q=3888 ncpus=2)
CPU: 1 UID: 0 PID: 6128 Comm: syz.1.75 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 4a 35 2d f6 48 89 df e8 a2 cc 2d f6 e8 0d 9e 56 f6 fb bf 01 00 00 00 <e8> 72 cc 1f f6 65 8b 05 1b f9 2e 07 85 c0 74 07 5b e9 81 4c 00 00
RSP: 0018:ffffc900001e0c90 EFLAGS: 00000286
RAX: 9ade0fc06e3b7500 RBX: ffff888136625940 RCX: 9ade0fc06e3b7500
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc900001e0e10 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff888136625940
R13: 1ffff9200003c1ac R14: ffff8881241dd810 R15: ffffc900001e0d60
FS:  00007fd1852906c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000018c0 CR3: 0000000106bf4000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __run_timer_base+0x60a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 9e 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 13 cd 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90006c17aa0 EFLAGS: 00000206
RAX: 9ade0fc06e3b7500 RBX: 0000000000000a02 RCX: 9ade0fc06e3b7500
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90006c17b28 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: 1ffff11026cc75c6 R14: ffff88810712a6d0 R15: 1ffff92000d82f54
 try_to_wake_up+0x7b6/0x1290
 wake_up_q+0xb6/0x110
 futex_wake+0x458/0x500
 do_futex+0x395/0x420
 __se_sys_futex+0x36f/0x400
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd18438e9a9
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:00007fd1852900e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fd1845b5fa8 RCX: 00007fd18438e9a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fd1845b5fac
RBP: 00007fd1845b5fa0 R08: 7fffffffffffffff R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000246 R12: 00007fd1845b5fac
R13: 0000000000000000 R14: 00007ffcd1524ad0 R15: 00007ffcd1524bb8
 </TASK>
sched: DL replenish lagged too much
