Warning: Permanently added '10.128.1.10' (ED25519) to the list of known hosts. executing program [ 74.394722][ T3542] [ 74.397135][ T3542] ============================= [ 74.402096][ T3542] WARNING: suspicious RCU usage [ 74.407192][ T3542] 6.1.89-syzkaller #0 Not tainted [ 74.412240][ T3542] ----------------------------- [ 74.417108][ T3542] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 74.425661][ T3542] [ 74.425661][ T3542] other info that might help us debug this: [ 74.425661][ T3542] [ 74.436014][ T3542] [ 74.436014][ T3542] rcu_scheduler_active = 2, debug_locks = 1 [ 74.444110][ T3542] 1 lock held by syz-executor585/3542: [ 74.449565][ T3542] #0: ffffffff8d12b540 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70 [ 74.459810][ T3542] [ 74.459810][ T3542] stack backtrace: [ 74.465737][ T3542] CPU: 0 PID: 3542 Comm: syz-executor585 Not tainted 6.1.89-syzkaller #0 [ 74.474144][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 74.484185][ T3542] Call Trace: [ 74.487453][ T3542] [ 74.490374][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 74.495049][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 74.500507][ T3542] ? panic+0x764/0x764 [ 74.504573][ T3542] lockdep_rcu_suspicious+0x21c/0x330 [ 74.509946][ T3542] get_callchain_entry+0x2ac/0x3c0 [ 74.515057][ T3542] get_perf_callchain+0xe6/0x810 [ 74.519985][ T3542] ? put_callchain_entry+0xb0/0xb0 [ 74.525086][ T3542] ? __lock_acquire+0x125b/0x1f80 [ 74.530112][ T3542] __bpf_get_stack+0x378/0x570 [ 74.534885][ T3542] ? stack_map_get_build_id_offset+0x9c0/0x9c0 [ 74.541043][ T3542] ? __cant_sleep+0x270/0x270 [ 74.545708][ T3542] bpf_get_stack_raw_tp+0x1b2/0x220 [ 74.550900][ T3542] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x41 [ 74.556349][ T3542] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 74.561726][ T3542] bpf_prog_test_run_syscall+0x312/0x4d0 [ 74.567351][ T3542] ? sock_gen_cookie+0x60/0x60 [ 74.572107][ T3542] ? __fdget+0x14e/0x210 [ 74.576337][ T3542] ? sock_gen_cookie+0x60/0x60 [ 74.581095][ T3542] bpf_prog_test_run+0x32f/0x3a0 [ 74.586039][ T3542] __sys_bpf+0x3eb/0x6c0 [ 74.590280][ T3542] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 74.595668][ T3542] ? print_irqtrace_events+0x210/0x210 [ 74.601338][ T3542] ? print_irqtrace_events+0x210/0x210 [ 74.606818][ T3542] ? syscall_enter_from_user_mode+0x2e/0x230 [ 74.612977][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 74.618180][ T3542] __x64_sys_bpf+0x78/0x90 [ 74.622620][ T3542] do_syscall_64+0x3b/0xb0 [ 74.627040][ T3542] ? clear_bhb_loop+0x45/0xa0 [ 74.631717][ T3542] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 74.637616][ T3542] RIP: 0033:0x7fdfa2885669 [ 74.642036][ T3542] 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 [ 74.661672][ T3542] RSP: 002b:00007ffc2b0feeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 74.670085][ T3542] RAX: ffffffffffffffda RBX: 00007ffc2b0ff088 RCX: 00007fdfa2885669 [ 74.678052][ T3542] RDX: 000000000000000c RSI: 00000000200004c0 RDI: 000000000000000a [ 74.686012][ T3542] RBP: 00007fdfa28f8610 R08: 00007ffc2b0ff088 R09: 00007ffc2b0ff088 [ 74.693982][ T3542] R10: