Warning: Permanently added '10.128.0.95' (ED25519) to the list of known hosts. executing program [ 43.711361][ T3564] [ 43.713741][ T3564] ============================= [ 43.718563][ T3564] WARNING: suspicious RCU usage [ 43.723638][ T3564] 5.15.164-syzkaller #0 Not tainted [ 43.728825][ T3564] ----------------------------- [ 43.733708][ T3564] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 43.742208][ T3564] [ 43.742208][ T3564] other info that might help us debug this: [ 43.742208][ T3564] [ 43.752513][ T3564] [ 43.752513][ T3564] rcu_scheduler_active = 2, debug_locks = 1 [ 43.760607][ T3564] 1 lock held by syz-executor143/3564: [ 43.766051][ T3564] #0: ffffffff8c9202c0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 43.775927][ T3564] [ 43.775927][ T3564] stack backtrace: [ 43.781833][ T3564] CPU: 1 PID: 3564 Comm: syz-executor143 Not tainted 5.15.164-syzkaller #0 [ 43.790403][ T3564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 43.800440][ T3564] Call Trace: [ 43.803698][ T3564] [ 43.806606][ T3564] dump_stack_lvl+0x1e3/0x2d0 [ 43.811293][ T3564] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 43.816908][ T3564] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 43.822434][ T3564] get_callchain_entry+0x2ac/0x3c0 [ 43.827522][ T3564] get_perf_callchain+0xe6/0x810 [ 43.832434][ T3564] ? put_callchain_entry+0xb0/0xb0 [ 43.837521][ T3564] ? __lock_acquire+0x1295/0x1ff0 [ 43.842526][ T3564] __bpf_get_stack+0x378/0x570 [ 43.847269][ T3564] ? stack_map_get_build_id_offset+0x930/0x930 [ 43.853420][ T3564] ? __cant_sleep+0x270/0x270 [ 43.858078][ T3564] bpf_get_stack_raw_tp+0x1b2/0x220 [ 43.863253][ T3564] bpf_prog_d43750871481577d+0x3d/0x4c8 [ 43.869332][ T3564] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 43.874683][ T3564] bpf_prog_test_run_syscall+0x366/0x550 [ 43.880294][ T3564] ? __lock_acquire+0x1ff0/0x1ff0 [ 43.885295][ T3564] ? sock_gen_cookie+0x60/0x60 [ 43.890036][ T3564] ? __fdget+0x158/0x220 [ 43.894255][ T3564] ? sock_gen_cookie+0x60/0x60 [ 43.899086][ T3564] bpf_prog_test_run+0x32f/0x3a0 [ 43.903998][ T3564] __sys_bpf+0x3ac/0x670 [ 43.908239][ T3564] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 43.913593][ T3564] ? syscall_enter_from_user_mode+0x2e/0x240 [ 43.919546][ T3564] ? lockdep_hardirqs_on+0x94/0x130 [ 43.924720][ T3564] __x64_sys_bpf+0x78/0x90 [ 43.929114][ T3564] do_syscall_64+0x3b/0xb0 [ 43.933504][ T3564] ? clear_bhb_loop+0x15/0x70 [ 43.938165][ T3564] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 43.944131][ T3564] RIP: 0033:0x7f5569d1afb9 [ 43.948520][ T3564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 43.968104][ T3564] RSP: 002b:00007fff4d6def28 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 43.976492][ T3564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5569d1afb9 [ 43.984616][ T3564] RDX: 0000000000000010 RSI: 0000000020000740 RDI: 000000000000000a [ 43.992743][ T3564] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 44.000689][ T3564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.008632][ T3564] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 44.016586][ T3564] [ 44.019813][ T3564] [ 44.022194][ T3564] ============================= [ 44.027026][ T3564] WARNING: suspicious RCU usage [ 44.031893][ T3564] 5.15.164-syzkaller #0 Not tainted [ 44.037075][ T3564] ----------------------------- [ 44.041929][ T3564] include/linux/perf_event.h:1273 suspicious rcu_dereference_check() usage! [ 44.050620][ T3564] [ 44.050620][ T3564] other info that might help us debug this: [ 44.050620][ T3564] [ 44.060848][ T3564] [ 44.060848][ T3564] rcu_scheduler_active = 2, debug_locks = 1 [ 44.068901][ T3564] 1 lock held by syz-executor143/3564: [ 44.074402][ T3564] #0: ffffffff8c9202c0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 44.084272][ T3564] [ 44.084272][ T3564] stack backtrace: [ 44.090176][ T3564] CPU: 1 PID: 3564 Comm: syz-executor143 Not tainted 5.15.164-syzkaller #0 [ 44.098760][ T3564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 44.108791][ T3564] Call Trace: [ 44.112050][ T3564] [ 44.114961][ T3564] dump_stack_lvl+0x1e3/0x2d0 [ 44.119618][ T3564] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 44.125257][ T3564] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 44.130780][ T3564] perf_callchain_kernel+0x38b/0x6e0 [ 44.136048][ T3564] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 44.141656][ T3564] ? arch_perf_update_userpage+0x450/0x450 [ 44.147444][ T3564] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 44.152965][ T3564] ? get_callchain_entry+0x186/0x3c0 [ 44.158228][ T3564] get_perf_callchain+0x579/0x810 [ 44.163233][ T3564] ? put_callchain_entry+0xb0/0xb0 [ 44.168319][ T3564] ? __lock_acquire+0x1295/0x1ff0 [ 44.173326][ T3564] __bpf_get_stack+0x378/0x570 [ 44.178069][ T3564] ? stack_map_get_build_id_offset+0x930/0x930 [ 44.184205][ T3564] ? __cant_sleep+0x270/0x270 [ 44.188904][ T3564] bpf_get_stack_raw_tp+0x1b2/0x220 [ 44.194096][ T3564] bpf_prog_d43750871481577d+0x3d/0x4c8 [ 44.199649][ T3564] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 44.205035][ T3564] bpf_prog_test_run_syscall+0x366/0x550 [ 44.210663][ T3564] ? __lock_acquire+0x1ff0/0x1ff0 [ 44.215688][ T3564] ? sock_gen_cookie+0x60/0x60 [ 44.220441][ T3564] ? __fdget+0x158/0x220 [ 44.224665][ T3564] ? sock_gen_cookie+0x60/0x60 [ 44.229951][ T3564] bpf_prog_test_run+0x32f/0x3a0 [ 44.234896][ T3564] __sys_bpf+0x3ac/0x670 [ 44.239130][ T3564] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 44.244508][ T3564] ? syscall_enter_from_user_mode+0x2e/0x240 [ 44.250558][ T3564] ? lockdep_hardirqs_on+0x94/0x130 [ 44.255737][ T3564] __x64_sys_bpf+0x78/0x90 [ 44.260135][ T3564] do_syscall_64+0x3b/0xb0 [ 44.264534][ T3564] ? clear_bhb_loop+0x15/0x70 [ 44.269190][ T3564] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.275071][ T3564] RIP: 0033:0x7f5569d1afb9 [ 44.279466][ T3564] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 [ 44.299070][ T3564] RSP: 002b:00007fff4d6def28 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 executing program executing program executing program executing program [ 44.307461][ T3564] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5569d1afb9 [ 44.315410][ T3564] RDX: 0000000000000010 RSI: 0000000020000740 RDI: 000000000000000a [ 44.323375][ T3564] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 [ 44.331322][ T3564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.339271][ T3564] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 44.347317][ T3564] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program