rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (9748 ticks this GP) idle=4fa4/1/0x4000000000000000 softirq=16803/17225 fqs=5250
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1090015       1052            0
rcu: 	cputime:    23854      28639           91   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=9301 q=1894 ncpus=2)
CPU: 0 UID: 0 PID: 6204 Comm: syz.5.50 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #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:__mod_timer+0xb3f/0xf30
Code: 8b 4c 24 58 4c 89 e7 48 8b 74 24 08 89 c2 e8 58 5b 00 00 44 8b 34 24 4c 89 e7 4c 89 fe e8 e9 52 c3 09 65 48 8b 05 41 4d f2 10 <48> 3b 44 24 60 0f 85 d7 02 00 00 44 89 f0 48 83 c4 68 5b 41 5c 41
RSP: 0018:ffffc90000007b00 EFLAGS: 00000246
RAX: 9669a5d62454c100 RBX: ffff888029838420 RCX: 0000000000000100
RDX: 0000000000000002 RSI: ffffffff8d99883e RDI: 00000000ffffffff
RBP: 00000000ffffffff R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff88804b025940
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000a02
FS:  00007ff762bbe6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005567b253b950 CR3: 000000011eb16000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc9000314f560 EFLAGS: 00000286
RAX: 9669a5d62454c100 RBX: 0000000000000000 RCX: 9669a5d62454c100
RDX: 0000000000000006 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc9000314f610 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000629eac
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:clear_page_rep+0xb/0x20
Code: ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 00 02 00 00 31 c0 <f3> 48 ab c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000314f6d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000000001f0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888108d40080
RBP: 1ffffffff1b76c87 R08: ffffffff8fa1e8f7 R09: 0000000000000000
R10: ffffed10211a8000 R11: fffffbfff1f43d1f R12: fffa800108d40000
R13: fffa800000000000 R14: 1ffffffff1b76c85 R15: 0000000000000001
 post_alloc_hook+0x1bd/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 __alloc_pages_noprof+0xa/0x30
 pcpu_populate_chunk+0x182/0xb30
 pcpu_alloc_noprof+0xcbf/0x16b0
 bpf_map_alloc_percpu+0xbc/0x1b0
 array_map_alloc+0x385/0x700
 map_create+0xaa3/0x1310
 __sys_bpf+0x60f/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff761d8e9a9
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:00007ff762bbe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ff761fb5fa0 RCX: 00007ff761d8e9a9
RDX: 0000000000000048 RSI: 0000200000000540 RDI: 2000000000000000
RBP: 00007ff761e10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff761fb5fa0 R15: 00007fff9b728e68
 </TASK>
sched: DL replenish lagged too much
