Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts. executing program [ 66.279071][ T3545] [ 66.281497][ T3545] ============================= [ 66.286465][ T3545] WARNING: suspicious RCU usage [ 66.291388][ T3545] 6.1.90-syzkaller #0 Not tainted [ 66.296476][ T3545] ----------------------------- [ 66.301375][ T3545] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 66.309945][ T3545] [ 66.309945][ T3545] other info that might help us debug this: [ 66.309945][ T3545] [ 66.320335][ T3545] [ 66.320335][ T3545] rcu_scheduler_active = 2, debug_locks = 1 [ 66.328537][ T3545] 1 lock held by syz-executor244/3545: [ 66.334028][ T3545] #0: ffffffff8d12b540 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70 [ 66.344354][ T3545] [ 66.344354][ T3545] stack backtrace: [ 66.350346][ T3545] CPU: 0 PID: 3545 Comm: syz-executor244 Not tainted 6.1.90-syzkaller #0 [ 66.358788][ T3545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 66.368851][ T3545] Call Trace: [ 66.372151][ T3545] [ 66.375099][ T3545] dump_stack_lvl+0x1e3/0x2cb [ 66.379801][ T3545] ? nf_tcp_handle_invalid+0x642/0x642 [ 66.385390][ T3545] ? panic+0x764/0x764 [ 66.389472][ T3545] lockdep_rcu_suspicious+0x21c/0x330 [ 66.394857][ T3545] get_callchain_entry+0x2ac/0x3c0 [ 66.399977][ T3545] get_perf_callchain+0xe6/0x810 [ 66.405018][ T3545] ? put_callchain_entry+0xb0/0xb0 [ 66.410154][ T3545] ? __lock_acquire+0x125b/0x1f80 [ 66.415206][ T3545] __bpf_get_stack+0x378/0x570 [ 66.419990][ T3545] ? stack_map_get_build_id_offset+0x9c0/0x9c0 [ 66.426158][ T3545] ? __cant_sleep+0x270/0x270 [ 66.430839][ T3545] bpf_get_stack_raw_tp+0x1b2/0x220 [ 66.436076][ T3545] bpf_prog_d43750871481577d+0x3d/0x41 [ 66.441540][ T3545] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 66.446925][ T3545] bpf_prog_test_run_syscall+0x312/0x4d0 [ 66.452563][ T3545] ? sock_gen_cookie+0x60/0x60 [ 66.457351][ T3545] ? __fdget+0x14e/0x210 [ 66.461603][ T3545] ? sock_gen_cookie+0x60/0x60 [ 66.466403][ T3545] bpf_prog_test_run+0x32f/0x3a0 [ 66.471356][ T3545] __sys_bpf+0x3eb/0x6c0 [ 66.475609][ T3545] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 66.481000][ T3545] ? print_irqtrace_events+0x210/0x210 [ 66.486470][ T3545] ? print_irqtrace_events+0x210/0x210 [ 66.491963][ T3545] ? syscall_enter_from_user_mode+0x2e/0x230 [ 66.497948][ T3545] ? lockdep_hardirqs_on+0x94/0x130 [ 66.503154][ T3545] __x64_sys_bpf+0x78/0x90 [ 66.507590][ T3545] do_syscall_64+0x3b/0xb0 [ 66.512034][ T3545] ? clear_bhb_loop+0x45/0xa0 [ 66.516730][ T3545] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 66.522636][ T3545] RIP: 0033:0x7fd95568b669 [ 66.527065][ T3545] 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 [ 66.546683][ T3545] RSP: 002b:00007ffc745f4ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.555107][ T3545] RAX: ffffffffffffffda RBX: 00007ffc745f50c8 RCX: 00007fd95568b669 [ 66.563191][ T3545] RDX: 000000000000000c RSI: 00000000200004c0 RDI: 000000000000000a [ 66.571195][ T3545] RBP: 00007fd9556fe610 R08: 00007ffc745f50c8 R09: 00007ffc745f50c8 [ 66.579180][ T3