rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10478 ticks this GP) idle=aa5c/1/0x4000000000000000 softirq=16674/16674 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1052852          0            0
rcu: 	cputime:    25230      27259           90   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=9573 q=2360 ncpus=2)
CPU: 0 UID: 0 PID: 6338 Comm: syz.1.207 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:rcu_read_unlock_special+0x87/0x4c0
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 62 2c f8 10 41 f7 c6 00 00 f0 00 74 49 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc90000007900 EFLAGS: 00000206
RAX: b2aa41061c9f5500 RBX: 1ffff92000000f28 RCX: b2aa41061c9f5500
RDX: 0000000000000002 RSI: ffffffff8d99883e RDI: ffffffff8be29f40
RBP: ffffc900000079f8 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007f1229ff66c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30519ff8 CR3: 000000001cff4000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 __reset_page_owner+0x67/0x1f0
 __free_frozen_pages+0xc71/0xe70
 __tlb_remove_table+0x2d2/0x3b0
 tlb_remove_table_rcu+0x85/0x100
 rcu_core+0xca8/0x1710
 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:___slab_alloc+0x1db/0x1480
Code: 8f 44 24 60 f7 44 24 60 00 02 00 00 0f 85 01 06 00 00 f7 c3 00 02 00 00 0f 84 79 fe ff ff fb e9 73 fe ff ff 41 f6 44 24 08 01 <0f> 85 e2 11 00 00 49 f7 04 24 00 01 00 00 0f 85 1b 02 00 00 89 5c
RSP: 0018:ffffc90007d2f230 EFLAGS: 00000246
RAX: b2aa41061c9f5500 RBX: 00000000ffffffff RCX: ffffffff894e2a62
RDX: 00000000ffffffff RSI: 0000000000000cc0 RDI: ffff8881006c2a00
RBP: 00000000ffffffff R08: ffff88804b0423e0 R09: 00000000000000f0
R10: ffffc90007d2f420 R11: fffff52000fa5e94 R12: ffffea00008b0900
R13: ffff8881006c2a00 R14: ffff88804b0423e0 R15: ffff8881006c2a00
 kmem_cache_alloc_node_noprof+0x280/0x3c0
 __alloc_skb+0x112/0x2d0
 netlink_dump+0x1b1/0xe60
 __netlink_dump_start+0x5cb/0x7e0
 rtnetlink_rcv_msg+0x9eb/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x75c/0x8e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f122c18e9a9
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:00007f1229ff6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f122c3b5fa0 RCX: 00007f122c18e9a9
RDX: 0000000000000000 RSI: 0000200000000100 RDI: 000000000000000e
RBP: 00007f122c210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f122c3b5fa0 R15: 00007ffdb771cdf8
 </TASK>
sched: DL replenish lagged too much
