Warning: Permanently added '10.128.0.244' (ED25519) to the list of known hosts.
executing program
[   51.772902][ T3539] 
[   51.775350][ T3539] ============================================
[   51.781502][ T3539] WARNING: possible recursive locking detected
[   51.787644][ T3539] 6.1.82-syzkaller #0 Not tainted
[   51.792680][ T3539] --------------------------------------------
[   51.798812][ T3539] syz-executor228/3539 is trying to acquire lock:
[   51.806561][ T3539] ffff88802337aa38 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x690
[   51.815474][ T3539] 
[   51.815474][ T3539] but task is already holding lock:
[   51.822823][ T3539] ffff88802337b238 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00
[   51.831688][ T3539] 
[   51.831688][ T3539] other info that might help us debug this:
[   51.839728][ T3539]  Possible unsafe locking scenario:
[   51.839728][ T3539] 
[   51.847164][ T3539]        CPU0
[   51.850440][ T3539]        ----
[   51.853704][ T3539]   lock(&trie->lock);
[   51.857762][ T3539]   lock(&trie->lock);
[   51.861819][ T3539] 
[   51.861819][ T3539]  *** DEADLOCK ***
[   51.861819][ T3539] 
[   51.869977][ T3539]  May be due to missing lock nesting notation
[   51.869977][ T3539] 
[   51.878283][ T3539] 3 locks held by syz-executor228/3539:
[   51.883826][ T3539]  #0: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_map_update_value+0x207/0x6f0
[   51.893760][ T3539]  #1: ffff88802337b238 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00
[   51.903111][ T3539]  #2: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x16a/0x470
[   51.912508][ T3539] 
[   51.912508][ T3539] stack backtrace:
[   51.918472][ T3539] CPU: 0 PID: 3539 Comm: syz-executor228 Not tainted 6.1.82-syzkaller #0
[   51.926872][ T3539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[   51.937178][ T3539] Call Trace:
[   51.940449][ T3539]  <TASK>
[   51.943372][ T3539]  dump_stack_lvl+0x1e3/0x2cb
[   51.948067][ T3539]  ? nf_tcp_handle_invalid+0x642/0x642
[   51.953522][ T3539]  ? panic+0x75d/0x75d
[   51.957590][ T3539]  validate_chain+0x4711/0x5950
[   51.962443][ T3539]  ? reacquire_held_locks+0x660/0x660
[   51.967831][ T3539]  ? reacquire_held_locks+0x660/0x660
[   51.973201][ T3539]  ? __stack_depot_save+0x3f5/0x470
[   51.978390][ T3539]  ? __lock_acquire+0x1f80/0x1f80
[   51.983413][ T3539]  ? mark_lock+0x9a/0x340
[   51.987759][ T3539]  ? mark_lock+0x9a/0x340
[   51.992101][ T3539]  ? __lock_acquire+0x125b/0x1f80
[   51.997124][ T3539]  ? mark_lock+0x9a/0x340
[   52.001457][ T3539]  __lock_acquire+0x125b/0x1f80
[   52.006312][ T3539]  lock_acquire+0x1f8/0x5a0
[   52.010808][ T3539]  ? trie_delete_elem+0x90/0x690
[   52.015743][ T3539]  ? read_lock_is_recursive+0x10/0x10
[   52.021108][ T3539]  ? __lock_acquire+0x125b/0x1f80
[   52.026132][ T3539]  _raw_spin_lock_irqsave+0xd1/0x120
[   52.031408][ T3539]  ? trie_delete_elem+0x90/0x690
[   52.036341][ T3539]  ? _raw_spin_lock+0x40/0x40
[   52.041007][ T3539]  ? read_lock_is_recursive+0x10/0x10
[   52.046376][ T3539]  trie_delete_elem+0x90/0x690
[   52.051133][ T3539]  ? __cant_sleep+0x270/0x270
[   52.055799][ T3539]  bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e
[   52.061244][ T3539]  ? bpf_trace_run4+0x16a/0x470
[   52.066089][ T3539]  bpf_trace_run4+0x253/0x470
[   52.070758][ T3539]  ? bpf_trace_run3+0x440/0x440
[   52.075604][ T3539]  ? __alloc_pages+0x770/0x770
[   52.080622][ T3539]  __bpf_trace_mm_page_alloc+0xba/0xe0
[   52.086084][ T3539]  __alloc_pages+0x717/0x770
[   52.090674][ T3539]  ? zone_statistics+0x160/0x160
[   52.095604][ T3539]  ? __rwlock_init+0x140/0x140
[   52.100357][ T3539]  __kmalloc_large_node+0x91/0x1d0
[   52.105461][ T3539]  ? bpf_map_kmalloc_node+0xce/0x1c0
[   52.110738][ T3539]  __kmalloc_node+0x111/0x230
[   52.115406][ T3539]  ? _raw_spin_lock+0x40/0x40
[   52.120080][ T3539]  bpf_map_kmalloc_node+0xce/0x1c0
[   52.125272][ T3539]  trie_update_elem+0x1cb/0xc00
[   52.130119][ T3539]  ? exc_page_fault+0x1c0/0x660
[   52.134962][ T3539]  ? asm_exc_page_fault+0x22/0x30
[   52.139982][ T3539]  bpf_map_update_value+0x5cf/0x6f0
[   52.145176][ T3539]  map_update_elem+0x503/0x680
[   52.149934][ T3539]  __sys_bpf+0x337/0x6c0
[   52.154171][ T3539]  ? bpf_link_show_fdinfo+0x2d0/0x2d0
[   52.159623][ T3539]  ? print_irqtrace_events+0x210/0x210
[   52.165077][ T3539]  ? print_irqtrace_events+0x210/0x210
[   52.170530][ T3539]  ? syscall_enter_from_user_mode+0x2e/0x220
[   52.176501][ T3539]  ? lockdep_hardirqs_on+0x94/0x130
[   52.181691][ T3539]  __x64_sys_bpf+0x78/0x90
[   52.186103][ T3539]  do_syscall_64+0x3d/0xb0
[   52.190516][ T3539]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   52.196408][ T3539] RIP: 0033:0x7fa6ab1917a9
[   52.200813][ T3539] 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
[   52.220409][ T3539] RSP: 002b:00007ffde7f61878 EFL