rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10492 ticks this GP) idle=f70c/1/0x4000000000000000 softirq=33425/39274 fqs=5234
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   925048       5169            0
rcu: 	cputime:    26775      25647          157   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=21941 q=2004 ncpus=2)
CPU: 1 UID: 0 PID: 9127 Comm: syz.5.843 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:__hrtimer_run_queues+0x4b3/0xc60
Code: d1 52 dd 0d 01 0f 85 9d 02 00 00 e8 e7 ae 11 00 4d 8d 6c 24 3b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 <84> c0 0f 85 4b 03 00 00 45 0f b6 6d 00 31 ff 44 89 ee e8 b6 b1 11
RSP: 0018:ffffc900001e0ca0 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffff888136627d88 RCX: dffffc0000000000
RDX: 0000000000000100 RSI: ffffffff8be29f20 RDI: ffffffff8be29ee0
RBP: ffffc900001e0df0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff888106b0f048
R13: ffff888106b0f083 R14: ffffffff86f33d80 R15: 0000000000000001
FS:  00007f367abf66c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f367ce10d69 CR3: 00000000379ec000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 hrtimer_run_softirq+0x187/0x2b0
 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:ffffc90002aaf280 EFLAGS: 00000282
RAX: 472b2af244b28c00 RBX: 0000000000000000 RCX: 472b2af244b28c00
RDX: 0000000000000006 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc90002aaf330 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000555e50
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:__page_table_check_zero+0x0/0x530
Code: c6 00 e3 98 8b e8 50 0e d9 ff 90 0f 0b e8 a8 c5 91 ff 90 0f 0b cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 89 74 24 04
RSP: 0018:ffffc90002aaf3f0 EFLAGS: 00000246
RAX: 472b2af244b28c00 RBX: 0000000000000003 RCX: ffff888023569cc0
RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffffea000420ec00
RBP: 1ffffffff1b76c87 R08: ffff88802457cf9f R09: 1ffff110048af9f3
R10: dffffc0000000000 R11: ffffed10048af9f4 R12: fffa8001083b8000
R13: ffffea000420ec00 R14: 1ffffffff1b76c85 R15: 0000000000000000
 post_alloc_hook+0x253/0x2a0
 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: 0033:0x7f367cd8e9a9
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:00007f367abf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f367cfb6080 RCX: 00007f367cd8e9a9
RDX: 00000000fffffdef RSI: 0000200000000140 RDI: 000000000000000a
RBP: 00007f367ce10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f367cfb6080 R15: 00007fffce39fd78
 </TASK>
