Warning: Permanently added '10.128.1.38' (ED25519) to the list of known hosts. executing program [ 52.503195][ T3542] [ 52.505577][ T3542] ============================= [ 52.510457][ T3542] WARNING: suspicious RCU usage [ 52.515346][ T3542] 6.1.92-syzkaller #0 Not tainted [ 52.520447][ T3542] ----------------------------- [ 52.525298][ T3542] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 52.533822][ T3542] [ 52.533822][ T3542] other info that might help us debug this: [ 52.533822][ T3542] [ 52.544111][ T3542] [ 52.544111][ T3542] rcu_scheduler_active = 2, debug_locks = 1 [ 52.552214][ T3542] 1 lock held by syz-executor283/3542: [ 52.557669][ T3542] #0: ffffffff8d12b540 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70 [ 52.567920][ T3542] [ 52.567920][ T3542] stack backtrace: [ 52.573841][ T3542] CPU: 1 PID: 3542 Comm: syz-executor283 Not tainted 6.1.92-syzkaller #0 [ 52.582239][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 52.592314][ T3542] Call Trace: [ 52.595578][ T3542] [ 52.598492][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 52.603165][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 52.608700][ T3542] ? panic+0x764/0x764 [ 52.612763][ T3542] lockdep_rcu_suspicious+0x21c/0x330 [ 52.618126][ T3542] get_callchain_entry+0x2ac/0x3c0 [ 52.623245][ T3542] get_perf_callchain+0xe6/0x810 [ 52.628180][ T3542] ? put_callchain_entry+0xb0/0xb0 [ 52.633285][ T3542] ? __lock_acquire+0x125b/0x1f80 [ 52.638311][ T3542] __bpf_get_stack+0x378/0x570 [ 52.643076][ T3542] ? stack_map_get_build_id_offset+0x9c0/0x9c0 [ 52.649219][ T3542] ? __cant_sleep+0x270/0x270 [ 52.653882][ T3542] bpf_get_stack_raw_tp+0x1b2/0x220 [ 52.659067][ T3542] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x41 [ 52.664525][ T3542] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 52.669885][ T3542] bpf_prog_test_run_syscall+0x312/0x4d0 [ 52.675516][ T3542] ? sock_gen_cookie+0x60/0x60 [ 52.680276][ T3542] ? __fdget+0x14e/0x210 [ 52.684521][ T3542] ? sock_gen_cookie+0x60/0x60 [ 52.689283][ T3542] bpf_prog_test_run+0x32f/0x3a0 [ 52.694216][ T3542] __sys_bpf+0x3eb/0x6c0 [ 52.698471][ T3542] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 52.703857][ T3542] ? print_irqtrace_events+0x210/0x210 [ 52.709402][ T3542] ? print_irqtrace_events+0x210/0x210 [ 52.714866][ T3542] ? syscall_enter_from_user_mode+0x2e/0x230 [ 52.720839][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 52.726033][ T3542] __x64_sys_bpf+0x78/0x90 [ 52.730449][ T3542] do_syscall_64+0x3b/0xb0 [ 52.734864][ T3542] ? clear_bhb_loop+0x45/0xa0 [ 52.739541][ T3542] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 52.745426][ T3542] RIP: 0033:0x7f46dfe2d669 [ 52.749833][ 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 [ 52.769561][ T3542] RSP: 002b:00007fff6823d538 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 52.777977][ T3542] RAX: ffffffffffffffda RBX: 00007fff6823d708 RCX: 00007f46dfe2d669 [ 52.785945][ T3542] RDX: 000000000000000c RSI: 00000000200004c0 RDI: 000000000000000a [ 52.793906][ T3542] RBP: 00007f46dfea0610 R08: 00007fff6823d708 R09: 00007fff6823d708 [ 52.801867][ T3542] R10: 00007