rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10452 ticks this GP) idle=ebbc/1/0x4000000000000000 softirq=17724/18050 fqs=5227
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   903090        602            0
rcu: 	cputime:    26212      26282          112   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=9357 q=2345 ncpus=2)
CPU: 0 UID: 0 PID: 6258 Comm: syz.1.109 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:clocksource_watchdog+0x559/0x11c0
Code: ff ff 4c 89 f0 4c 8b 35 15 f8 ff 17 49 8d 5d 18 49 89 dc 49 c1 ec 03 41 80 3c 04 00 74 08 48 89 df e8 2b ab 73 00 49 8b 75 18 <4c> 89 f7 48 8b 54 24 28 e8 4a cf ff ff 48 89 44 24 20 4d 8d 7d 10
RSP: 0018:ffffc90000007a60 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffffff8df71798 RCX: 0000000000000100
RDX: ffff888027619cc0 RSI: 00000029b3b442ac RDI: 0000000000000000
RBP: ffffc90000007b90 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff335f334 R12: 1ffffffff1bee2f3
R13: ffffffff8df71780 R14: ffffffff8dfa9400 R15: ffffffff8df71740
FS:  00007f38703fc6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2803a8 CR3: 000000002870e000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0x67/0x180
 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:finish_task_switch+0x26b/0x950
Code: 0f 84 3c 01 00 00 48 85 db 0f 85 63 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 0f 2a df 09 e8 ba b9 35 00 fb 4c 8b 65 c0 <49> 8d bc 24 18 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900072f6a98 EFLAGS: 00000282
RAX: bdb8235961a97e00 RBX: 0000000000000000 RCX: bdb8235961a97e00
RDX: 0000000000000006 RSI: ffffffff8d998940 RDI: ffffffff8be29f40
RBP: ffffc900072f6af0 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: ffff888027619cc0
R13: dffffc0000000000 R14: ffff888025e99cc0 R15: ffff88804b03ab98
 __schedule+0x16fd/0x4d00
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:seqcount_lockdep_reader_access+0x129/0x180
Code: c7 b0 ff 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b 41 f7 c5 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 66 43 c7 44 27 09 00 00 43 c6 44 27 0b 00
RSP: 0018:ffffc900072f6e80 EFLAGS: 00000206
RAX: bdb8235961a97e00 RBX: ffff88805fffbc58 RCX: bdb8235961a97e00
RDX: 0000000000000006 RSI: ffffffff8d998940 RDI: ffffffff8be29f40
RBP: ffffc900072f6f28 R08: ffffffff8fa1e9f7 R09: 1ffffffff1f43d3e
R10: dffffc0000000000 R11: fffffbfff1f43d3f R12: dffffc0000000000
R13: 0000000000000a02 R14: ffffffff8216e5db R15: 1ffff92000e5edd0
 bad_range+0x8b/0x2c0
 get_page_from_freelist+0x21c2/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_mpol+0x232/0x4a0
 folio_alloc_mpol_noprof+0x39/0x70
 shmem_alloc_and_add_folio+0x447/0xf60
 shmem_get_folio_gfp+0x59d/0x1660
 shmem_fallocate+0x80f/0xde0
 vfs_fallocate+0x6a3/0x830
 file_ioctl+0x611/0x780
 do_vfs_ioctl+0xe80/0x1990
 __se_sys_ioctl+0x82/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f386f58e9a9
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:00007f38703fc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f386f7b6080 RCX: 00007f386f58e9a9
RDX: 0000200000000040 RSI: 000000004030582a RDI: 000000000000000b
RBP: 00007f386f610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f386f7b6080 R15: 00007fff702625f8
 </TASK>
sched: DL replenish lagged too much
