Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts.
executing program
[   65.524931][ T3544] 
[   65.527302][ T3544] ============================================
[   65.533443][ T3544] WARNING: possible recursive locking detected
[   65.539580][ T3544] 6.1.82-syzkaller #0 Not tainted
[   65.544677][ T3544] --------------------------------------------
[   65.550816][ T3544] syz-executor173/3544 is trying to acquire lock:
[   65.557232][ T3544] ffff88807c84fa38 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x690
[   65.566226][ T3544] 
[   65.566226][ T3544] but task is already holding lock:
[   65.573599][ T3544] ffff8880787eca38 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00
[   65.582515][ T3544] 
[   65.582515][ T3544] other info that might help us debug this:
[   65.590572][ T3544]  Possible unsafe locking scenario:
[   65.590572][ T3544] 
[   65.598124][ T3544]        CPU0
[   65.601394][ T3544]        ----
[   65.604670][ T3544]   lock(&trie->lock);
[   65.608822][ T3544]   lock(&trie->lock);
[   65.612887][ T3544] 
[   65.612887][ T3544]  *** DEADLOCK ***
[   65.612887][ T3544] 
[   65.621023][ T3544]  May be due to missing lock nesting notation
[   65.621023][ T3544] 
[   65.629341][ T3544] 3 locks held by syz-executor173/3544:
[   65.634887][ T3544]  #0: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_map_update_value+0x207/0x6f0
[   65.644826][ T3544]  #1: ffff8880787eca38 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00
[   65.654164][ T3544]  #2: ffffffff8d12a940 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run4+0x16a/0x470
[   65.663577][ T3544] 
[   65.663577][ T3544] stack backtrace:
[   65.669455][ T3544] CPU: 1 PID: 3544 Comm: syz-executor173 Not tainted 6.1.82-syzkaller #0
[   65.677862][ T3544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[   65.687931][ T3544] Call Trace:
[   65.691222][ T3544]  <TASK>
[   65.694146][ T3544]  dump_stack_lvl+0x1e3/0x2cb
[   65.698856][ T3544]  ? nf_tcp_handle_invalid+0x642/0x642
[   65.704320][ T3544]  ? panic+0x75d/0x75d
[   65.708415][ T3544]  validate_chain+0x4711/0x5950
[   65.713293][ T3544]  ? reacquire_held_locks+0x660/0x660
[   65.718692][ T3544]  ? reacquire_held_locks+0x660/0x660
[   65.724070][ T3544]  ? __stack_depot_save+0x3f5/0x470
[   65.729266][ T3544]  ? __lock_acquire+0x1f80/0x1f80
[   65.734308][ T3544]  ? mark_lock+0x9a/0x340
[   65.738646][ T3544]  ? mark_lock+0x9a/0x340
[   65.742981][ T3544]  ? __lock_acquire+0x125b/0x1f80
[   65.748022][ T3544]  ? mark_lock+0x9a/0x340
[   65.752443][ T3544]  __lock_acquire+0x125b/0x1f80
[   65.757319][ T3544]  lock_acquire+0x1f8/0x5a0
[   65.761850][ T3544]  ? trie_delete_elem+0x90/0x690
[   65.766810][ T3544]  ? read_lock_is_recursive+0x10/0x10
[   65.772186][ T3544]  ? __lock_acquire+0x125b/0x1f80
[   65.777234][ T3544]  _raw_spin_lock_irqsave+0xd1/0x120
[   65.782521][ T3544]  ? trie_delete_elem+0x90/0x690
[   65.787487][ T3544]  ? _raw_spin_lock+0x40/0x40
[   65.792164][ T3544]  ? read_lock_is_recursive+0x10/0x10
[   65.797544][ T3544]  trie_delete_elem+0x90/0x690
[   65.802323][ T3544]  ? __cant_sleep+0x270/0x270
[   65.806998][ T3544]  bpf_prog_2c29ac5cdc6b1842+0x3a/0x3e
[   65.812450][ T3544]  ? bpf_trace_run4+0x16a/0x470
[   65.817292][ T3544]  bpf_trace_run4+0x253/0x470
[   65.821999][ T3544]  ? bpf_trace_run3+0x440/0x440
[   65.826849][ T3544]  ? __alloc_pages+0x770/0x770
[   65.831711][ T3544]  __bpf_trace_mm_page_alloc+0xba/0xe0
[   65.837186][ T3544]  __alloc_pages+0x717/0x770
[   65.841896][ T3544]  ? zone_statistics+0x160/0x160
[   65.846841][ T3544]  ? __rwlock_init+0x140/0x140
[   65.851602][ T3544]  __kmalloc_large_node+0x91/0x1d0
[   65.856714][ T3544]  ? bpf_map_kmalloc_node+0xce/0x1c0
[   65.862029][ T3544]  __kmalloc_node+0x111/0x230
[   65.866705][ T3544]  ? _raw_spin_lock+0x40/0x40
[   65.871380][ T3544]  bpf_map_kmalloc_node+0xce/0x1c0
[   65.876597][ T3544]  trie_update_elem+0x1cb/0xc00
[   65.881473][ T3544]  ? exc_page_fault+0x1c0/0x660
[   65.886319][ T3544]  ? asm_exc_page_fault+0x22/0x30
[   65.891345][ T3544]  bpf_map_update_value+0x5cf/0x6f0
[   65.896556][ T3544]  map_update_elem+0x503/0x680
[   65.901327][ T3544]  __sys_bpf+0x337/0x6c0
[   65.905573][ T3544]  ? bpf_link_show_fdinfo+0x2d0/0x2d0
[   65.910968][ T3544]  ? print_irqtrace_events+0x210/0x210
[   65.916521][ T3544]  ? print_irqtrace_events+0x210/0x210
[   65.921989][ T3544]  ? syscall_enter_from_user_mode+0x2e/0x220
[   65.928395][ T3544]  ? lockdep_hardirqs_on+0x94/0x130
[   65.933620][ T3544]  __x64_sys_bpf+0x78/0x90
[   65.938038][ T3544]  do_syscall_64+0x3d/0xb0
[   65.942455][ T3544]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   65.948343][ T3544] RIP: 0033:0x7fd91e7a47a9
[   65.952748][ T3544] 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
[   65.972368][ T3544] RSP: 002b:00007ffe57b67fa8 EFLA