Warning: Permanently added '10.128.0.166' (ED25519) to the list of known hosts. executing program [ 42.317684][ T3499] [ 42.320076][ T3499] ============================= [ 42.324954][ T3499] WARNING: suspicious RCU usage [ 42.329797][ T3499] 5.15.161-syzkaller #0 Not tainted [ 42.335197][ T3499] ----------------------------- [ 42.340040][ T3499] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 42.348795][ T3499] [ 42.348795][ T3499] other info that might help us debug this: [ 42.348795][ T3499] [ 42.359439][ T3499] [ 42.359439][ T3499] rcu_scheduler_active = 2, debug_locks = 1 [ 42.367539][ T3499] 1 lock held by syz-executor452/3499: [ 42.373211][ T3499] #0: ffffffff8c920280 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 42.383111][ T3499] [ 42.383111][ T3499] stack backtrace: [ 42.389011][ T3499] CPU: 1 PID: 3499 Comm: syz-executor452 Not tainted 5.15.161-syzkaller #0 [ 42.397580][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 42.407619][ T3499] Call Trace: [ 42.410879][ T3499] [ 42.413795][ T3499] dump_stack_lvl+0x1e3/0x2d0 [ 42.418456][ T3499] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 42.424067][ T3499] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 42.429586][ T3499] get_callchain_entry+0x2ac/0x3c0 [ 42.434672][ T3499] get_perf_callchain+0xe6/0x810 [ 42.439583][ T3499] ? put_callchain_entry+0xb0/0xb0 [ 42.444667][ T3499] ? __lock_acquire+0x1295/0x1ff0 [ 42.449679][ T3499] __bpf_get_stack+0x378/0x570 [ 42.454422][ T3499] ? stack_map_get_build_id_offset+0x930/0x930 [ 42.460727][ T3499] ? __cant_sleep+0x270/0x270 [ 42.465397][ T3499] bpf_get_stack_raw_tp+0x1b2/0x220 [ 42.470578][ T3499] bpf_prog_d43750871481577d+0x3d/0x7d8 [ 42.476108][ T3499] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 42.481456][ T3499] bpf_prog_test_run_syscall+0x366/0x550 [ 42.487064][ T3499] ? __lock_acquire+0x1ff0/0x1ff0 [ 42.492066][ T3499] ? sock_gen_cookie+0x60/0x60 [ 42.496803][ T3499] ? __fdget+0x158/0x220 [ 42.501021][ T3499] ? sock_gen_cookie+0x60/0x60 [ 42.505770][ T3499] bpf_prog_test_run+0x32f/0x3a0 [ 42.510695][ T3499] __sys_bpf+0x3ac/0x670 [ 42.514921][ T3499] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 42.520280][ T3499] ? syscall_enter_from_user_mode+0x2e/0x240 [ 42.526242][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 42.531424][ T3499] __x64_sys_bpf+0x78/0x90 [ 42.535823][ T3499] do_syscall_64+0x3b/0xb0 [ 42.540215][ T3499] ? clear_bhb_loop+0x15/0x70 [ 42.544866][ T3499] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.550758][ T3499] RIP: 0033:0x7f4416a1c969 [ 42.555161][ T3499] 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 [ 42.574745][ T3499] RSP: 002b:00007fff852be698 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 42.583141][ T3499] RAX: ffffffffffffffda RBX: 00007fff852be868 RCX: 00007f4416a1c969 [ 42.591091][ T3499] RDX: 0000000000000010 RSI: 0000000020000740 RDI: 000000000000000a [ 42.599050][ T3499] RBP: 00007f4416a8f610 R08: 00007fff852be868 R09: 00007fff852be868 [ 42.607004][ T3499] R10: 00007fff852be868 R11: 0000000000000246 R12: 0000000000000001 [ 42.614967][ T3499] R13: 00007fff852be858 R14: 0000000000000001 R15: 0000000000000001 [ 42.622931][ T3499] [ 42.626063][ T3499] [ 42.628382][ T3499] ============================= [ 42.633259][ T3499] WARNING: suspicious RCU usage [ 42.638089][ T3499] 5.15.161-syzkaller #0 Not tainted [ 42.643343][ T3499] ----------------------------- [ 42.648174][ T3499] include/linux/perf_event.h:1273 suspicious rcu_dereference_check() usage! [ 42.656858][ T3499] [ 42.656858][ T3499] other info that might help us debug this: [ 42.656858][ T3499] [ 42.667104][ T3499] [ 42.667104][ T3499] rcu_scheduler_active = 2, debug_locks = 1 [ 42.675187][ T3499] 1 lock held by syz-executor452/3499: [ 42.680641][ T3499] #0: ffffffff8c920280 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 42.690514][ T3499] [ 42.690514][ T3499] stack backtrace: [ 42.696545][ T3499] CPU: 1 PID: 3499 Comm: syz-executor452 Not tainted 5.15.161-syzkaller #0 [ 42.705127][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 42.715160][ T3499] Call Trace: [ 42.718416][ T3499] [ 42.721328][ T3499] dump_stack_lvl+0x1e3/0x2d0 [ 42.725993][ T3499] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 42.731606][ T3499] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 42.737128][ T3499] perf_callchain_kernel+0x38b/0x6e0 [ 42.742395][ T3499] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 42.748007][ T3499] ? arch_perf_update_userpage+0x450/0x450 [ 42.753792][ T3499] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 42.759316][ T3499] ? get_callchain_entry+0x186/0x3c0 [ 42.764575][ T3499] get_perf_callchain+0x579/0x810 [ 42.769574][ T3499] ? put_callchain_entry+0xb0/0xb0 [ 42.774654][ T3499] ? __lock_acquire+0x1295/0x1ff0 [ 42.779662][ T3499] __bpf_get_stack+0x378/0x570 [ 42.784416][ T3499] ? stack_map_get_build_id_offset+0x930/0x930 [ 42.790541][ T3499] ? __cant_sleep+0x270/0x270 [ 42.795209][ T3499] bpf_get_stack_raw_tp+0x1b2/0x220 [ 42.800387][ T3499] bpf_prog_d43750871481577d+0x3d/0x7d8 [ 42.805925][ T3499] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 42.811273][ T3499] bpf_prog_test_run_syscall+0x366/0x550 [ 42.816879][ T3499] ? __lock_acquire+0x1ff0/0x1ff0 [ 42.821894][ T3499] ? sock_gen_cookie+0x60/0x60 [ 42.826633][ T3499] ? __fdget+0x158/0x220 [ 42.830848][ T3499] ? sock_gen_cookie+0x60/0x60 [ 42.835586][ T3499] bpf_prog_test_run+0x32f/0x3a0 [ 42.840497][ T3499] __sys_bpf+0x3ac/0x670 [ 42.844712][ T3499] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 42.850062][ T3499] ? syscall_enter_from_user_mode+0x2e/0x240 [ 42.856050][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 42.861231][ T3499] __x64_sys_bpf+0x78/0x90 [ 42.865625][ T3499] do_syscall_64+0x3b/0xb0 [ 42.870013][ T3499] ? clear_bhb_loop+0x15/0x70 [ 42.874662][ T3499] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 42.880526][ T3499] RIP: 0033:0x7f4416a1c969 [ 42.884914][ T3499] 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 [ 42.904492][ T3499] RSP: 002b:00007fff852be698 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 42.912917][ T3499] RAX: ffffffffffffffda RBX: 00007fff852be868 RCX: 00007f4416a1c96