rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=1534/1/0x4000000000000000 softirq=19921/19923 fqs=4990
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1092528          0            0
rcu: 	cputime:    25760      26727           83   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=13977 q=2663 ncpus=2)
CPU: 0 UID: 0 PID: 7087 Comm: syz.0.365 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: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:ffffc900000075c0 EFLAGS: 00000206
RAX: 455e8b8e66822400 RBX: 1ffff92000000ec0 RCX: 455e8b8e66822400
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: ffffc900000076b8 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007f5e4213f6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f59df56d9c8 CR3: 000000010f6dc000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __reset_page_owner+0x71/0x1f0
 __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: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:ffffc9000319f420 EFLAGS: 00000282
RAX: 455e8b8e66822400 RBX: 0000000000000000 RCX: 455e8b8e66822400
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: 0000000000000001
RBP: ffffc9000319f4c0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000633e84
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:stack_trace_save+0x9c/0xe0
Code: 28 ff c2 89 54 24 2c 48 c7 44 24 30 00 00 00 00 65 48 8b 14 25 08 10 a0 92 48 c7 c7 50 00 ad 81 48 89 c6 31 c9 e8 14 7e bc ff <8b> 44 24 30 48 c7 04 24 0e 36 e0 45 4a c7 04 33 00 00 00 00 42 c7
RSP: 0018:ffffc9000319f580 EFLAGS: 00000296
RAX: 455e8b8e66822400 RBX: 1ffff92000633eb0 RCX: 455e8b8e66822400
RDX: 0000000000000000 RSI: ffffffff8db86553 RDI: ffff8880214a9cc0
RBP: ffffc9000319f620 R08: 0000000000000000 R09: ffffffff81cf14a6
R10: ffffc9000319f538 R11: ffffffff81ad0050 R12: 0000000000000060
R13: ffff88810767ff80 R14: dffffc0000000000 R15: ffffc9000319f630
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_noprof+0x1c1/0x3c0
 security_file_alloc+0x34/0x330
 init_file+0x93/0x2f0
 alloc_empty_file+0x6e/0x1d0
 path_openat+0x107/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5e4138d310
Code: 48 89 44 24 20 75 93 44 89 54 24 0c e8 49 94 02 00 44 8b 54 24 0c 89 da 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 38 44 89 c7 89 44 24 0c e8 9c 94 02 00 8b 44
RSP: 002b:00007f5e4213ef10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5e4138d310
RDX: 0000000000000002 RSI: 00007f5e4213efa0 RDI: 00000000ffffff9c
RBP: 00007f5e4213efa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f5e415b5fa0 R15: 00007ffdf2f9b1c8
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 105596019075 wd_nsec: 105596017678
