rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=1dd4/1/0x4000000000000000 softirq=37484/37485 fqs=4597
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1042111          0            0
rcu: 	cputime:    24072      28407           83   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=24401 q=560 ncpus=2)
CPU: 1 UID: 0 PID: 11304 Comm: syz.0.2447 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: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:ffffc900001e05a0 EFLAGS: 00000206
RAX: 66fec21dccb88900 RBX: 1ffff9200003c0bc RCX: 66fec21dccb88900
RDX: 0000000000000002 RSI: ffffffff8d99873a RDI: ffffffff8be29f80
RBP: ffffc900001e0698 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
FS:  00007f4e2b93f6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000107e82000 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
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kfree+0x18e/0x440
 slab_free_after_rcu_debug+0x60/0x2a0
 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:lock_acquire+0x175/0x360
Code: 00 00 00 00 9c 8f 44 24 30 f7 44 24 30 00 02 00 00 0f 85 cd 00 00 00 f7 44 24 08 00 02 00 00 74 01 fb 65 48 8b 05 cb de 01 11 <48> 3b 44 24 58 0f 85 f2 00 00 00 48 83 c4 60 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc90002e1ee48 EFLAGS: 00000206
RAX: 66fec21dccb88900 RBX: 0000000000000000 RCX: 66fec21dccb88900
RDX: 0000000000000001 RSI: ffffffff8db8641b RDI: ffffffff8be29f80
RBP: ffffffff8215a4ea R08: 0000000000000000 R09: ffffffff8215a4ea
R10: dffffc0000000000 R11: fffff520005c3dcc R12: 0000000000000000
R13: ffff888136640058 R14: 0000000000000001 R15: 0000000000000246
 _raw_spin_trylock+0x47/0x80
 __free_frozen_pages+0x76a/0xe70
 kasan_populate_vmalloc+0x18a/0x1a0
 alloc_vmap_area+0xd51/0x1490
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 vmalloc_noprof+0xb2/0xf0
 bpf_prog_calc_tag+0xb9/0x620
 resolve_pseudo_ldimm64+0xbc/0xc50
 bpf_check+0x1c58/0x1d2e0
 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: 0033:0x7f4e2ab8e9a9
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:00007f4e2b93f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f4e2adb6080 RCX: 00007f4e2ab8e9a9
RDX: 0000000000000090 RSI: 0000200000000200 RDI: 0000000000000005
RBP: 00007f4e2ac10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4e2adb6080 R15: 00007ffeae6b2408
 </TASK>
sched: DL replenish lagged too much
