rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=94c4/1/0x4000000000000000 softirq=15070/15070 fqs=5250
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1001677          0            0
rcu: 	cputime:    25730      26768           92   ==> 52510(ms)
rcu: 	(t=10502 jiffies g=7581 q=3034 ncpus=2)
CPU: 0 UID: 0 PID: 6228 Comm: syz.0.149 Not tainted 6.16.0-rc6-syzkaller-00434-gcd7c97f4584a #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 92 37 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:ffffc900000074e0 EFLAGS: 00000206
RAX: b1326f2d744fa100 RBX: 1ffff92000000ea4 RCX: b1326f2d744fa100
RDX: 0000000000000000 RSI: ffffffff8d9986f9 RDI: ffffffff8be29f80
RBP: ffffc900000075d8 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007f0753ca16c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000040 CR3: 00000000211cc000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/0x400
 __tlb_remove_table+0x81/0x3b0
 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:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 9b 93 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> e3 c1 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc90006796720 EFLAGS: 00000206
RAX: b1326f2d744fa100 RBX: 0000000000000246 RCX: b1326f2d744fa100
RDX: 0000000000000000 RSI: ffffffff8d9986f9 RDI: 0000000000000001
RBP: ffffc900067967b0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffffffff8e144480 R14: ffffffff8e144440 R15: 1ffff92000cf2ce4
 rcu_preempt_deferred_qs_irqrestore+0x851/0xc40
 rcu_read_unlock_special+0x3fe/0x4c0
 __rcu_read_unlock+0x84/0xe0
 unwind_next_frame+0x19ae/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __set_page_owner+0x8d/0x4a0
 post_alloc_hook+0x240/0x2a0
 get_page_from_freelist+0x21e4/0x22c0
 __alloc_frozen_pages_noprof+0x181/0x370
 alloc_pages_bulk_noprof+0x560/0x710
 alloc_pages_bulk_mempolicy_noprof+0x341/0x1650
 __vmalloc_node_range_noprof+0x733/0x12f0
 vzalloc_noprof+0xb2/0xf0
 bpf_check+0x1a5/0x1d2e0
 bpf_prog_load+0x1318/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0752d8eb69
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:00007f0753ca1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0752fb5fa0 RCX: 00007f0752d8eb69
RDX: 0000000000000094 RSI: 0000200000000f80 RDI: 0000000000000005
RBP: 00007f0752e11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0752fb5fa0 R15: 00007ffca5d1de08
 </TASK>
sched: DL replenish lagged too much
clocksource: Long readout interval, skipping watchdog check: cs_nsec: 105860095979 wd_nsec: 105860098364
