Warning: Permanently added '10.128.1.30' (ED25519) to the list of known hosts. executing program [ 60.892170][ T4167] [ 60.894583][ T4167] ============================= [ 60.899436][ T4167] WARNING: suspicious RCU usage [ 60.905007][ T4167] 5.15.175-syzkaller #0 Not tainted [ 60.910201][ T4167] ----------------------------- [ 60.915091][ T4167] kernel/events/callchain.c:161 suspicious rcu_dereference_check() usage! [ 60.923627][ T4167] [ 60.923627][ T4167] other info that might help us debug this: [ 60.923627][ T4167] [ 60.934125][ T4167] [ 60.934125][ T4167] rcu_scheduler_active = 2, debug_locks = 1 [ 60.942298][ T4167] 1 lock held by syz-executor331/4167: [ 60.947759][ T4167] #0: ffffffff8cb204c0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 60.957694][ T4167] [ 60.957694][ T4167] stack backtrace: [ 60.963647][ T4167] CPU: 0 PID: 4167 Comm: syz-executor331 Not tainted 5.15.175-syzkaller #0 [ 60.972258][ T4167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 60.982316][ T4167] Call Trace: [ 60.985594][ T4167] [ 60.988518][ T4167] dump_stack_lvl+0x1e3/0x2d0 [ 60.993202][ T4167] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 60.998834][ T4167] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 61.004383][ T4167] get_callchain_entry+0x2ac/0x3c0 [ 61.009500][ T4167] get_perf_callchain+0xe6/0x810 [ 61.014520][ T4167] ? put_callchain_entry+0xb0/0xb0 [ 61.019620][ T4167] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 61.025778][ T4167] ? lockdep_hardirqs_on+0x94/0x130 [ 61.030986][ T4167] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 61.037151][ T4167] __bpf_get_stack+0x378/0x570 [ 61.041921][ T4167] ? stack_map_get_build_id_offset+0x930/0x930 [ 61.048074][ T4167] ? __cant_sleep+0x270/0x270 [ 61.052748][ T4167] bpf_get_stack_raw_tp+0x1b2/0x220 [ 61.057943][ T4167] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x974 [ 61.063481][ T4167] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 61.068847][ T4167] bpf_prog_test_run_syscall+0x366/0x550 [ 61.074469][ T4167] ? __lock_acquire+0x1ff0/0x1ff0 [ 61.079519][ T4167] ? sock_gen_cookie+0x60/0x60 [ 61.084276][ T4167] ? __fdget+0x158/0x220 [ 61.088514][ T4167] ? sock_gen_cookie+0x60/0x60 [ 61.093298][ T4167] bpf_prog_test_run+0x32f/0x3a0 [ 61.098228][ T4167] __sys_bpf+0x3ac/0x670 [ 61.102463][ T4167] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 61.107839][ T4167] ? syscall_enter_from_user_mode+0x2e/0x240 [ 61.113811][ T4167] ? lockdep_hardirqs_on+0x94/0x130 [ 61.119106][ T4167] __x64_sys_bpf+0x78/0x90 [ 61.123604][ T4167] do_syscall_64+0x3b/0xb0 [ 61.128010][ T4167] ? clear_bhb_loop+0x15/0x70 [ 61.132676][ T4167] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.138564][ T4167] RIP: 0033:0x7f9e038126a9 [ 61.142972][ T4167] 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 [ 61.162568][ T4167] RSP: 002b:00007fffa68d9838 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 61.170980][ T4167] RAX: ffffffffffffffda RBX: 00007fffa68d9a08 RCX: 00007f9e038126a9 [ 61.178941][ T4167] RDX: 000000000000000c RSI: 00000000200004c0 RDI: 000000000000000a [ 61.186991][ T4167] RBP: 00007f9e03885610 R08: 00007fffa68d9a08 R09: 00007fffa68d9a08 [ 61.194954][ T4167] R10: 00007fffa68d9a08 R11: 0000000000000246 R12: 0000000000000001 [ 61.202914][ T4167] R13: 00007fffa68d99f8 R14: 0000000000000001 R15: 0000000000000001 [ 61.210886][ T4167] [ 61.214113][ T4167] [ 61.216449][ T4167] ============================= [ 61.221303][ T4167] WARNING: suspicious RCU usage [ 61.226242][ T4167] 5.15.175-syzkaller #0 Not tainted [ 61.231445][ T4167] ----------------------------- [ 61.236343][ T4167] include/linux/perf_event.h:1274 suspicious rcu_dereference_check() usage! [ 61.245045][ T4167] [ 61.245045][ T4167] other info that might help us debug this: [ 61.245045][ T4167] [ 61.255324][ T4167] [ 61.255324][ T4167] rcu_scheduler_active = 2, debug_locks = 1 [ 61.263422][ T4167] 1 lock held by syz-executor331/4167: [ 61.268867][ T4167] #0: ffffffff8cb204c0 (rcu_read_lock_trace){....}-{0:0}, at: rcu_lock_acquire+0x9/0x30 [ 61.278768][ T4167] [ 61.278768][ T4167] stack backtrace: [ 61.284679][ T4167] CPU: 0 PID: 4167 Comm: syz-executor331 Not tainted 5.15.175-syzkaller #0 [ 61.293252][ T4167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 61.303303][ T4167] Call Trace: [ 61.306572][ T4167] [ 61.309508][ T4167] dump_stack_lvl+0x1e3/0x2d0 [ 61.314182][ T4167] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 61.319801][ T4167] ? dump_stack_lvl+0x274/0x2d0 [ 61.324646][ T4167] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 61.330184][ T4167] perf_callchain_user+0x24f/0x10f0 [ 61.335376][ T4167] ? lockdep_rcu_suspicious+0x158/0x1c0 [ 61.340911][ T4167] ? get_callchain_entry+0x186/0x3c0 [ 61.346221][ T4167] get_perf_callchain+0x549/0x810 [ 61.351280][ T4167] ? put_callchain_entry+0xb0/0xb0 [ 61.356417][ T4167] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 61.362567][ T4167] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 61.368715][ T4167] __bpf_get_stack+0x378/0x570 [ 61.373473][ T4167] ? stack_map_get_build_id_offset+0x930/0x930 [ 61.379623][ T4167] ? __cant_sleep+0x270/0x270 [ 61.384290][ T4167] bpf_get_stack_raw_tp+0x1b2/0x220 [ 61.389481][ T4167] bpf_prog_b8a90dd1efcc4ad9+0x3d/0x974 [ 61.395014][ T4167] bpf_prog_run_pin_on_cpu+0x62/0x130 [ 61.400376][ T4167] bpf_prog_test_run_syscall+0x366/0x550 [ 61.405996][ T4167] ? __lock_acquire+0x1ff0/0x1ff0 [ 61.411016][ T4167] ? sock_gen_cookie+0x60/0x60 [ 61.415770][ T4167] ? __fdget+0x158/0x220 [ 61.420001][ T4167] ? sock_gen_cookie+0x60/0x60 [ 61.424752][ T4167] bpf_prog_test_run+0x32f/0x3a0 [ 61.429677][ T4167] __sys_bpf+0x3ac/0x670 [ 61.433911][ T4167] ? bpf_link_show_fdinfo+0x2d0/0x2d0 [ 61.439286][ T4167] ? syscall_enter_from_user_mode+0x2e/0x240 [ 61.445255][ T4167] ? lockdep_hardirqs_on+0x94/0x130 [ 61.450455][ T4167] __x64_sys_bpf+0x78/0x90 [ 61.454862][ T4167] do_syscall_64+0x3b/0xb0 [ 61.459270][ T4167] ? clear_bhb_loop+0x15/0x70 [ 61.463936][ T4167] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 61.469818][ T4167] RIP: 0033:0x7f9e038126a9 [ 61.474219][ T4167] 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 [ 61.493810