Warning: Permanently added '10.128.10.29' (ED25519) to the list of known hosts. executing program [ 66.362063][ T3546] [ 66.364464][ T3546] ============================= [ 66.369617][ T3546] WARNING: suspicious RCU usage [ 66.374514][ T3546] 6.1.87-syzkaller #0 Not tainted [ 66.379582][ T3546] ----------------------------- [ 66.384460][ T3546] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 66.393039][ T3546] [ 66.393039][ T3546] other info that might help us debug this: [ 66.393039][ T3546] [ 66.403331][ T3546] [ 66.403331][ T3546] rcu_scheduler_active = 2, debug_locks = 1 [ 66.411497][ T3546] 1 lock held by syz-executor379/3546: [ 66.416997][ T3546] #0: ffffffff8d12b540 (rcu_read_lock_trace){....}-{0:0}, at: rcu_read_lock_trace+0x37/0x70 [ 66.427311][ T3546] [ 66.427311][ T3546] stack backtrace: [ 66.433258][ T3546] CPU: 0 PID: 3546 Comm: syz-executor379 Not tainted 6.1.87-syzkaller #0 [ 66.441678][ T3546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 66.451733][ T3546] Call Trace: [ 66.455015][ T3546] [ 66.457946][ T3546] dump_stack_lvl+0x1e3/0x2cb [ 66.462636][ T3546] ? nf_tcp_handle_invalid+0x642/0x642 [ 66.468106][ T3546] ? panic+0x764/0x764 [ 66.472203][ T3546] lockdep_rcu_suspicious+0x21c/0x330 [ 66.477676][ T3546] get_callchain_entry+0x2ac/0x3c0 [ 66.482791][ T3546] get_perf_callchain+0xe6/0x810 [ 66.487729][ T3546] ? put_callchain_entry+0xb0/0xb0 [ 66.492843][ T3546] ? __lock_acquire+0x125b/0x1f80 [ 66.497886][ T3546] __bpf_get_stack+0x378/0x570 [ 66.502676][ T3546] ? stack_map_get_build_id_offset+0x9c0/0x9c0 [ 66.508872][ T3546] ? __cant_sleep+0x270/0x270 [ 66.513576][ T3546] bpf_get_stack_raw_tp+0x1b2/0x220 [ 66.518807][ T3546] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x41 [ 66.524285][ T3546] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 66.529704][ T3546] bpf_prog_test_run_syscall+0x312/0x4d0 [ 66.535362][ T3546] ? sock_gen_cookie+0x60/0x60 [ 66.540149][ T3546] ? __fdget+0x14e/0x210 [ 66.544399][ T3546] ? sock_gen_cookie+0x60/0x60 [ 66.549260][ T3546] bpf_prog_test_run+0x32f/0x3a0 [ 66.554225][ T3546] __sys_bpf+0x3eb/0x6c0 [ 66.558484][ T3546] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 66.563881][ T3546] ? print_irqtrace_events+0x210/0x210 [ 66.569445][ T3546] ? print_irqtrace_events+0x210/0x210 [ 66.574924][ T3546] ? syscall_enter_from_user_mode+0x2e/0x230 [ 66.580924][ T3546] ? lockdep_hardirqs_on+0x94/0x130 [ 66.586133][ T3546] __x64_sys_bpf+0x78/0x90 [ 66.590568][ T3546] do_syscall_64+0x3b/0xb0 [ 66.594999][ T3546] ? clear_bhb_loop+0x45/0xa0 [ 66.599692][ T3546] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 66.605598][ T3546] RIP: 0033:0x7f244f27c669 [ 66.610019][ T3546] 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 [ 66.629672][ T3546] RSP: 002b:00007ffec6f05568 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.638098][ T3546] RAX: ffffffffffffffda RBX: 00007ffec6f05738 RCX: 00007f244f27c669 [ 66.646089][ T3546] RDX: 000000000000000c RSI: 00000000200004c0 RDI: 000000000000000a [ 66.654065][ T3546] RBP: 00007f244f2ef610 R08: 00007ffec6f05738 R09: 00007ffec6f05738 [ 66.662044][ T