rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=b3c4/1/0x4000000000000000 softirq=15865/15865 fqs=5249
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1000423          0            0
rcu: 	cputime:    24134      28355           89   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=7389 q=3825 ncpus=2)
CPU: 0 UID: 0 PID: 6216 Comm: syz.1.147 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a-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:__free_frozen_pages+0x0/0xe70
Code: 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 31 d2 eb 18 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <55> 41 57 41 56 41 55 41 54 53 48 83 ec 38 41 89 d7 41 89 f5 49 89
RSP: 0018:ffffc90000007ad8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffea00009d4c80 RCX: ffffffff82166252
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00009d4c80
RBP: ffffc90000007b90 R08: ffffea00009d4cb7 R09: 1ffffd400013a996
R10: dffffc0000000000 R11: fffff9400013a997 R12: dffffc0000000000
R13: 1ffff92000000f5c R14: 0000000000000000 R15: 0000000000000000
FS:  00007ff9942716c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000f80000 CR3: 0000000027540000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __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: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:ffffc900069973f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000000000a0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88802bc29b00
RBP: 1ffffffff1b76c87 R08: ffffffff8fa1e8f7 R09: 0000000000000000
R10: ffffed1005785000 R11: fffffbfff1f43d1f R12: fffa80002bc29000
R13: fffa800000000000 R14: 1ffffffff1b76c85 R15: 0000000000000007
 post_alloc_hook+0x1bd/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 alloc_pages_noprof+0xa9/0x190
 skb_page_frag_refill+0x179/0x320
 sk_page_frag_refill+0x4c/0xf0
 kcm_sendmsg+0x6aa/0x2a70
 __sock_sendmsg+0x21c/0x270
 sock_write_iter+0x258/0x330
 vfs_write+0x54b/0xa90
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff99338e9a9
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:00007ff994271038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff9935b5fa0 RCX: 00007ff99338e9a9
RDX: 00000000fffffdef RSI: 0000200000000140 RDI: 000000000000000b
RBP: 00007ff993410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff9935b5fa0 R15: 00007ffcc78dbbf8
 </TASK>
sched: DL replenish lagged too much
