Warning: Permanently added '10.128.0.13' (ED25519) to the list of known hosts.
executing program
syzkaller login: [   70.252081][ T5760] 
[   70.254467][ T5760] =============================
[   70.259381][ T5760] WARNING: suspicious RCU usage
[   70.264305][ T5760] 6.6.93-syzkaller #0 Not tainted
[   70.269629][ T5760] -----------------------------
[   70.274457][ T5760] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage!
[   70.282988][ T5760] 
[   70.282988][ T5760] other info that might help us debug this:
[   70.282988][ T5760] 
[   70.293232][ T5760] 
[   70.293232][ T5760] rcu_scheduler_active = 2, debug_locks = 1
[   70.301540][ T5760] 1 lock held by syz-executor416/5760:
[   70.307013][ T5760]  #0: ffffffff8cd2f900 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70
[   70.317302][ T5760] 
[   70.317302][ T5760] stack backtrace:
[   70.323367][ T5760] CPU: 0 PID: 5760 Comm: syz-executor416 Not tainted 6.6.93-syzkaller #0
[   70.331980][ T5760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   70.342119][ T5760] Call Trace:
[   70.345419][ T5760]  <TASK>
[   70.348443][ T5760]  dump_stack_lvl+0x16c/0x230
[   70.353135][ T5760]  ? show_regs_print_info+0x20/0x20
[   70.358356][ T5760]  ? load_image+0x3b0/0x3b0
[   70.362870][ T5760]  lockdep_rcu_suspicious+0x1e1/0x300
[   70.368233][ T5760]  get_callchain_entry+0x2a9/0x3c0
[   70.373366][ T5760]  get_perf_callchain+0xa3/0x4b0
[   70.378310][ T5760]  ? put_callchain_entry+0xb0/0xb0
[   70.383433][ T5760]  ? rcu_read_lock_sched_held+0x8a/0x100
[   70.389075][ T5760]  ? __bpf_trace_rcu_stall_warning+0x140/0x140
[   70.395240][ T5760]  __bpf_get_stack+0x2d7/0x510
[   70.400015][ T5760]  ? stack_map_get_build_id_offset+0x720/0x720
[   70.406162][ T5760]  ? __cant_sleep+0x210/0x210
[   70.411110][ T5760]  ? bpf_prog_d43750871481577d+0x45/0x49
[   70.416765][ T5760]  bpf_get_stack_raw_tp+0x195/0x220
[   70.421970][ T5760]  bpf_prog_d43750871481577d+0x45/0x49
[   70.427417][ T5760]  bpf_prog_run_pin_on_cpu+0x63/0x140
[   70.432834][ T5760]  bpf_prog_test_run_syscall+0x311/0x490
[   70.438599][ T5760]  ? sock_gen_cookie+0x60/0x60
[   70.443470][ T5760]  ? __fdget+0x14a/0x210
[   70.447727][ T5760]  ? sock_gen_cookie+0x60/0x60
[   70.452507][ T5760]  bpf_prog_test_run+0x321/0x390
[   70.457474][ T5760]  __sys_bpf+0x440/0x800
[   70.461730][ T5760]  ? bpf_link_show_fdinfo+0x350/0x350
[   70.467130][ T5760]  ? lock_chain_count+0x20/0x20
[   70.471996][ T5760]  __x64_sys_bpf+0x7c/0x90
[   70.476419][ T5760]  do_syscall_64+0x55/0xb0
[   70.480850][ T5760]  ? clear_bhb_loop+0x40/0x90
[   70.485555][ T5760]  ? clear_bhb_loop+0x40/0x90
[   70.490241][ T5760]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   70.496238][ T5760] RIP: 0033:0x7fe3a61486a9
[   70.500667][ T5760] 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
[   70.520283][ T5760] RSP: 002b:00007fffcbd48ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
[   70.528801][ T5760] RAX: ffffffffffffffda RBX: 0000200000000440 RCX: 00007fe3a61486a9
[   70.536798][ T5760] RDX: 0000000000000010 RSI: 0000200000000740 RDI: 000000000000000a
[   70.544775][ T5760] RBP: 00002000000000c0 R08: 0000000000000000 R09: 0000000000000000
[   70.5