rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10499 ticks this GP) idle=8074/1/0x4000000000000000 softirq=16268/16269 fqs=4747
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1199390          0            0
rcu: 	cputime:    25226      27253           79   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=7281 q=4090 ncpus=2)
CPU: 0 UID: 0 PID: 6244 Comm: syz.2.159 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:_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:ffffc90000007b40 EFLAGS: 00000206
RAX: 41432ae094b23000 RBX: 0000000000000a02 RCX: 41432ae094b23000
RDX: 0000000000000002 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc90000007bd0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffffffff81a8c254 R14: ffffffff99d573f8 R15: 1ffff92000000f68
FS:  00007f956e7f66c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000017c0 CR3: 000000002fcf0000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_core+0xc1e/0x1710
 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:__rmqueue_pcplist+0x1d89/0x1df0
Code: e8 dc 19 0d 00 e9 3c fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c a0 fe ff ff 4c 89 ff e8 be 19 0d 00 e9 93 fe ff ff 31 c0 <48> c7 84 24 40 01 00 00 0e 36 e0 45 4b c7 44 15 00 00 00 00 00 66
RSP: 0018:ffffc90006d97340 EFLAGS: 00000246
RAX: ffffea0001393040 RBX: 1ffffd4000272600 RCX: 0000000000000080
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea0001393040
RBP: ffffc90006d97530 R08: ffffea0001393077 R09: 1ffffd400027260e
R10: dffffc0000000000 R11: fffff9400027260f R12: 0000000000000040
R13: 1ffff92000db2e90 R14: ffffea0001393048 R15: 0000000000000000
 get_page_from_freelist+0x86a/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 vma_alloc_folio_noprof+0xe4/0x200
 folio_prealloc+0x30/0x180
 __handle_mm_fault+0x2c88/0x5620
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0x764/0x1390
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:__put_user_4+0xd/0x20
Code: 66 89 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 89 cb 48 c1 fb 3f 48 09 d9 0f 1f 00 <89> 01 31 c9 0f 1f 00 c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90006d97e50 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000000 RCX: 00002000000017c0
RDX: 0000000000000000 RSI: ffffffff8db8655b RDI: ffffffff8be29f40
RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffff820bc570
R10: dffffc0000000000 R11: ffffed10040c7619 R12: 0000000000000000
R13: 00002000000017c0 R14: 0000000000000001 R15: 0000000000000002
 __sys_socketpair+0xb7/0x560
 __x64_sys_socketpair+0x9b/0xb0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f957098e9a9
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:00007f956e7f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007f9570bb5fa0 RCX: 00007f957098e9a9
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: 00007f9570a10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000017c0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9570bb5fa0 R15: 00007fff8b3280e8
 </TASK>
sched: DL replenish lagged too much
