Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts.
executing program
[   65.935268][ T3543] 
[   65.937657][ T3543] ============================================
[   65.943796][ T3543] WARNING: possible recursive locking detected
[   65.950209][ T3543] 6.1.82-syzkaller #0 Not tainted
[   65.955226][ T3543] --------------------------------------------
[   65.961375][ T3543] syz-executor639/3543 is trying to acquire lock:
[   65.967776][ T3543] ffff888079cb4238 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x690
[   65.976688][ T3543] 
[   65.976688][ T3543] but task is already holding lock:
[   65.984134][ T3543] ffff888079cb1a38 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00
[   65.993036][ T3543] 
[   65.993036][ T3543] other info that might help us debug this:
[   66.001098][ T3543]  Possible unsafe locking scenario:
[   66.001098][ T3543] 
[   66.008800][ T3543]        CPU0
[   66.012075][ T3543]        ----
[   66.015344][ T3543]   lock(&trie->lock);
[   66.019638][ T3543]   lock(&trie->lock);
[   66.023702][ T3543] 
[   66.023702][ T3543]  *** DEADLOCK ***
[   66.023702][ T3543] 
[   66.031847][ T3543]  May be due to missing lock nesting notation
[   66.031847][ T3543] 
[   66.040162][ T3543] 3 locks held by syz-executor639/3543:
[   66.045697][ T3543]  #0: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_map_update_value+0x207/0x6f0
[   66.055706][ T3543]  #1: ffff888079cb1a38 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00
[   66.065050][ T3543]  #2: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x16a/0x470
[   66.074443][ T3543] 
[   66.074443][ T3543] stack backtrace:
[   66.080337][ T3543] CPU: 1 PID: 3543 Comm: syz-executor639 Not tainted 6.1.82-syzkaller #0
[   66.088749][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[   66.098805][ T3543] Call Trace:
[   66.102088][ T3543]  <TASK>
[   66.105034][ T3543]  dump_stack_lvl+0x1e3/0x2cb
[   66.109741][ T3543]  ? nf_tcp_handle_invalid+0x642/0x642
[   66.115209][ T3543]  ? panic+0x75d/0x75d
[   66.119294][ T3543]  validate_chain+0x4711/0x5950
[   66.124174][ T3543]  ? reacquire_held_locks+0x660/0x660
[   66.129567][ T3543]  ? reacquire_held_locks+0x660/0x660
[   66.134958][ T3543]  ? __stack_depot_save+0x3f5/0x470
[   66.140167][ T3543]  ? __lock_acquire+0x1f80/0x1f80
[   66.145206][ T3543]  ? mark_lock+0x9a/0x340
[   66.149549][ T3543]  ? mark_lock+0x9a/0x340
[   66.153889][ T3543]  ? __lock_acquire+0x125b/0x1f80
[   66.158925][ T3543]  ? mark_lock+0x9a/0x340
[   66.163264][ T3543]  __lock_acquire+0x125b/0x1f80
[   66.168136][ T3543]  lock_acquire+0x1f8/0x5a0
[   66.172665][ T3543]  ? trie_delete_elem+0x90/0x690
[   66.177632][ T3543]  ? read_lock_is_recursive+0x10/0x10
[   66.183144][ T3543]  ? __lock_acquire+0x125b/0x1f80
[   66.188298][ T3543]  _raw_spin_lock_irqsave+0xd1/0x120
[   66.193693][ T3543]  ? trie_delete_elem+0x90/0x690
[   66.198670][ T3543]  ? _raw_spin_lock+0x40/0x40
[   66.203367][ T3543]  ? read_lock_is_recursive+0x10/0x10
[   66.208765][ T3543]  trie_delete_elem+0x90/0x690
[   66.213540][ T3543]  ? __cant_sleep+0x270/0x270
[   66.218228][ T3543]  bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e
[   66.223693][ T3543]  ? bpf_trace_run4+0x16a/0x470
[   66.228550][ T3543]  bpf_trace_run4+0x253/0x470
[   66.233230][ T3543]  ? bpf_trace_run3+0x440/0x440
[   66.238084][ T3543]  ? __alloc_pages+0x770/0x770
[   66.242851][ T3543]  __bpf_trace_mm_page_alloc+0xba/0xe0
[   66.248315][ T3543]  __alloc_pages+0x717/0x770
[   66.252910][ T3543]  ? zone_statistics+0x160/0x160
[   66.257946][ T3543]  ? __rwlock_init+0x140/0x140
[   66.262715][ T3543]  __kmalloc_large_node+0x91/0x1d0
[   66.267831][ T3543]  ? bpf_map_kmalloc_node+0xce/0x1c0
[   66.273132][ T3543]  __kmalloc_node+0x111/0x230
[   66.277832][ T3543]  ? _raw_spin_lock+0x40/0x40
[   66.282616][ T3543]  bpf_map_kmalloc_node+0xce/0x1c0
[   66.287750][ T3543]  trie_update_elem+0x1cb/0xc00
[   66.292619][ T3543]  ? exc_page_fault+0x1c0/0x660
[   66.297486][ T3543]  ? asm_exc_page_fault+0x22/0x30
[   66.302527][ T3543]  bpf_map_update_value+0x5cf/0x6f0
[   66.307740][ T3543]  map_update_elem+0x503/0x680
[   66.312518][ T3543]  __sys_bpf+0x337/0x6c0
[   66.316775][ T3543]  ? bpf_link_show_fdinfo+0x2d0/0x2d0
[   66.322161][ T3543]  ? print_irqtrace_events+0x210/0x210
[   66.327629][ T3543]  ? print_irqtrace_events+0x210/0x210
[   66.333108][ T3543]  ? syscall_enter_from_user_mode+0x2e/0x220
[   66.339096][ T3543]  ? lockdep_hardirqs_on+0x94/0x130
[   66.344405][ T3543]  __x64_sys_bpf+0x78/0x90
[   66.348845][ T3543]  do_syscall_64+0x3d/0xb0
[   66.353275][ T3543]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   66.359182][ T3543] RIP: 0033:0x7f5e0a7587a9
[   66.363612][ T3543] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[   66.383324][ T3543] RSP: 002b:00007ffe7759