rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (1 GPs behind) idle=2304/1/0x4000000000000000 softirq=25930/25931 fqs=5244
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   954095          0            0
rcu: 	cputime:    25510      26979           95   ==> 52500(ms)
rcu: 	(t=10501 jiffies g=18201 q=2910 ncpus=2)
CPU: 0 UID: 0 PID: 9197 Comm: syz.0.1490 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:ffffc90000007400 EFLAGS: 00000206
RAX: b811fd03f9d1fc00 RBX: 1ffff92000000e88 RCX: b811fd03f9d1fc00
RDX: 0000000000000002 RSI: ffffffff8d9986f9 RDI: ffffffff8be29f80
RBP: ffffc900000074f8 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: ffffffff8e144400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
FS:  00007fbb8cff66c0(0000) GS:ffff8880b861f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fd5ffff CR3: 000000001ff6a000 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_stack+0x3e/0x60
 kasan_record_aux_stack+0xbd/0xd0
 call_rcu+0x157/0x9c0
 kmem_cache_free+0x309/0x400
 inet_twsk_kill+0x6d6/0x840
 call_timer_fn+0x17e/0x5f0
 __run_timer_base+0x61a/0x860
 run_timer_softirq+0xb7/0x180
 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:smp_call_function_many_cond+0xf69/0x12d0
Code: 00 45 8b 2f 44 89 ee 83 e6 01 31 ff e8 a0 6e 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 4b 6a 0b 00 eb 37 f3 90 <43> 0f b6 04 2c 84 c0 75 10 41 f7 07 01 00 00 00 74 1e e8 30 6a 0b
RSP: 0018:ffffc900089f7a40 EFLAGS: 00000293
RAX: ffffffff81b4b390 RBX: ffff88804b03b200 RCX: ffff888105d7b980
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900089f7ba0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 1ffff11026cc7f65
R13: dffffc0000000000 R14: 0000000000000001 R15: ffff88813663fb28
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0x5e0/0x1100
 arch_jump_label_transform_apply+0x1c/0x30
 static_key_slow_inc_cpuslocked+0x80/0xf0
 static_key_slow_inc+0x1a/0x30
 bpf_enable_stats+0x101/0x140
 __sys_bpf+0x325/0x870
 __x64_sys_bpf+0x7c/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb8f18e9a9
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:00007fbb8cff6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fbb8f3b5fa0 RCX: 00007fbb8f18e9a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 00007fbb8f210d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbb8f3b5fa0 R15: 00007fffebd525f8
 </TASK>
sched: DL replenish lagged too much
