rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10500 ticks this GP) idle=9d6c/1/0x4000000000000000 softirq=14454/14454 fqs=5247
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   916230          0            0
rcu: 	cputime:    24324      28165          102   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=6737 q=3133 ncpus=2)
CPU: 0 UID: 0 PID: 5908 Comm: syz.0.6 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:unwind_next_frame+0x19bc/0x2390
Code: 45 88 8b e8 76 a2 2b 00 48 c7 c7 e0 f0 13 8e 4c 89 fe e8 57 88 2b 00 e8 72 1e 35 00 89 d8 48 81 c4 98 00 00 00 5b 41 5c 41 5d <41> 5e 41 5f 5d e9 9a 9f fe 09 cc 4c 8b 7c 24 48 eb 89 49 89 f7 48
RSP: 0018:ffffc90000007908 EFLAGS: 00000296
RAX: 000000009038fa01 RBX: ffffc900000079e0 RCX: 9cf3772c53532000
RDX: 0000000000000000 RSI: ffffffff8d998836 RDI: ffffffff8be29f40
RBP: dffffc0000000000 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffff888029610000
R13: dffffc0000000000 R14: ffffc90000007928 R15: ffffffff8172aae5
FS:  00007f0a2331e6c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a2331dfc8 CR3: 0000000020ea8000 CR4: 00000000000006f0
Call Trace:
 <IRQ>
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 ref_tracker_free+0xef/0x7d0
 dst_destroy+0x10f/0x350
 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:kasan_populate_vmalloc_pte+0xf/0x100
Code: 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 41 54 53 50 48 8b 07 <48> 89 04 24 48 a9 9f ff ff ff 74 13 31 c0 48 83 c4 08 5b 41 5c 41
RSP: 0018:ffffc900035ff4f0 EFLAGS: 00000293
RAX: 8000000025092063 RBX: fffff520004d5000 RCX: ffff888029610000
RDX: ffffc900035ff6b0 RSI: fffff520004d5000 RDI: ffff88801f1a06a8
RBP: ffffc900035ff6a0 R08: ffffc900035ff6b0 R09: 0000000000000001
R10: dffffc0000000000 R11: ffffffff82235820 R12: ffff88801f1a06a8
R13: ffff88801f1a06a8 R14: fffff520004d5000 R15: 000000001f1a0067
 __apply_to_page_range+0xb92/0x1380
 kasan_populate_vmalloc+0xf4/0x1a0
 alloc_vmap_area+0xd51/0x1490
 __get_vm_area_node+0x1f8/0x300
 __vmalloc_node_range_noprof+0x301/0x12f0
 __vmalloc_noprof+0xb1/0xf0
 bpf_prog_alloc_no_stats+0x4a/0x4b0
 bpf_prog_alloc+0x3c/0x1a0
 bpf_prog_load+0x735/0x1930
 __sys_bpf+0x528/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0a2258e9a9
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:00007f0a2331e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0a227b6080 RCX: 00007f0a2258e9a9
RDX: 0000000000000090 RSI: 0000200000000200 RDI: 0000000000000005
RBP: 00007f0a22610d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0a227b6080 R15: 00007ffe3d64f918
 </TASK>
sched: DL replenish lagged too much
