rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-....: (10469 ticks this GP) idle=d6ac/1/0x4000000000000000 softirq=45800/45801 fqs=5184
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1048985        683            0
rcu: 	cputime:    27940      24535           67   ==> 52480(ms)
rcu: 	(t=10500 jiffies g=38129 q=2506 ncpus=2)
CPU: 0 UID: 0 PID: 11965 Comm: syz.2.1680 Not tainted syzkaller #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:lock_release+0x2b5/0x3e0
Code: 51 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 75 56 f7 c3 00 02 00 00 74 01 fb 65 48 8b 05 7b cf 02 11 <48> 3b 44 24 28 0f 85 8b 00 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e
RSP: 0018:ffffc900000068d8 EFLAGS: 00000206
RAX: f12c196cbd732600 RBX: 0000000000000202 RCX: f12c196cbd732600
RDX: 0000000000000004 RSI: ffffffff8dba631f RDI: ffffffff8be33500
RBP: ffff888108b42850 R08: ffffc900000069cf R09: 0000000000000000
R10: ffffc900000069c0 R11: ffffffffa0005848 R12: 0000000000000004
R13: 0000000000000004 R14: ffffffff8e13a020 R15: ffff888108b41cc0
FS:  00007fb02f0816c0(0000) GS:ffff8880b861b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbfa552afc8 CR3: 00000001211a4000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_call_bpf+0x5a9/0x850
 perf_trace_run_bpf_submit+0x78/0x170
 perf_trace_lock_acquire+0x335/0x410
 lock_acquire+0x311/0x360
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kmem_cache_free+0x18f/0x400
 skb_release_data+0x62d/0x7c0
 consume_skb+0x9e/0xf0
 nft_synproxy_eval_v6+0x376/0x560
 nft_synproxy_do_eval+0x3d7/0x570
 nft_do_chain+0x40c/0x1920
 nft_do_chain_inet+0x25d/0x340
 nf_hook_slow+0xc5/0x220
 NF_HOOK+0x206/0x3a0
 ip6_input+0x16a/0x270
 NF_HOOK+0x30c/0x3a0
 __netif_receive_skb+0xd3/0x380
 process_backlog+0x60e/0x14f0
 __napi_poll+0xc7/0x360
 net_rx_action+0x707/0xe30
 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+0x2e6/0x360
Code: 8b 64 24 20 48 8b ac 24 98 00 00 00 4c 8b 6c 24 18 0f 83 6b fd ff ff 65 ff 05 96 e0 02 11 48 8b 05 67 54 f0 0d 48 85 c0 74 2f <48> 8b 78 08 48 8b 74 24 18 8b 54 24 08 8b 4c 24 04 4c 8b 44 24 20
RSP: 0018:ffffc90006ce6d98 EFLAGS: 00000286
RAX: ffff888030f1f490 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e13a020
RBP: ffffffff8172c195 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90006ce6f58 R11: ffffffff81ac4a90 R12: 0000000000000002
R13: ffffffff8e13a020 R14: 0000000000000000 R15: 0000000000000000
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x5b/0x80
 kfree+0x18e/0x440
 __mmdrop+0x323/0x580
 finish_task_switch+0x3ee/0x950
 __schedule+0x17a0/0x4cc0
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x6f/0x90
 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 eb e1 02 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:ffffc90006ce7738 EFLAGS: 00000206
RAX: f12c196cbd732600 RBX: 0000000000000000 RCX: f12c196cbd732600
RDX: 0000000000000001 RSI: ffffffff8dba631f RDI: ffffffff8be33500
RBP: ffffffff8172c195 R08: 0000000000000000 R09: ffffffff8172c195
R10: ffffc90006ce7540 R11: ffffffffa0005848 R12: 0000000000000002
R13: ffffffff8e13a020 R14: 0000000000000000 R15: 0000000000000246
 unwind_next_frame+0xc2/0x2390
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_kmalloc+0x93/0xb0
 __kmalloc_noprof+0x27a/0x4f0
 security_sk_alloc+0x52/0x390
 sk_prot_alloc+0x101/0x220
 sk_alloc+0x3a/0x370
 __netlink_create+0x65/0x260
 netlink_create+0x3ca/0x590
 __sock_create+0x4b3/0x9f0
 __sys_socket+0xd7/0x1b0
 __x64_sys_socket+0x7a/0x90
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb02e18ebe9
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:00007fb02f081038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007fb02e3c5fa0 RCX: 00007fb02e18ebe9
RDX: 000000000000000c RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007fb02e211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb02e3c6038 R14: 00007fb02e3c5fa0 R15: 00007ffe342bfd38
 </TASK>
