Warning: Permanently added '10.128.1.95' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 74.252637][ T5105] [ 74.255096][ T5105] ====================================================== [ 74.262131][ T5105] WARNING: possible circular locking dependency detected [ 74.269157][ T5105] 6.10.0-syzkaller-04490-ga1b7dbca1490 #0 Not tainted [ 74.275931][ T5105] ------------------------------------------------------ [ 74.282964][ T5105] syz-executor260/5105 is trying to acquire lock: [ 74.289363][ T5105] ffff8880b9538798 (lock#9){+.+.}-{2:2}, at: __mmap_lock_do_trace_acquire_returned+0x8f/0x630 [ 74.299668][ T5105] [ 74.299668][ T5105] but task is already holding lock: [ 74.307038][ T5105] ffff8880b953e858 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 74.316532][ T5105] [ 74.316532][ T5105] which lock already depends on the new lock. [ 74.316532][ T5105] [ 74.326961][ T5105] [ 74.326961][ T5105] the existing dependency chain (in reverse order) is: [ 74.335991][ T5105] [ 74.335991][ T5105] -> #3 (&rq->__lock){-.-.}-{2:2}: [ 74.343298][ T5105] lock_acquire+0x1ed/0x550 [ 74.348337][ T5105] _raw_spin_lock_nested+0x31/0x40 [ 74.354083][ T5105] raw_spin_rq_lock_nested+0x2a/0x140 [ 74.359977][ T5105] task_fork_fair+0x61/0x1e0 [ 74.365079][ T5105] sched_cgroup_fork+0x37c/0x410 [ 74.370555][ T5105] copy_process+0x2217/0x3dc0 [ 74.375746][ T5105] kernel_clone+0x226/0x8f0 [ 74.380765][ T5105] user_mode_thread+0x132/0x1a0 [ 74.386131][ T5105] rest_init+0x23/0x300 [ 74.390800][ T5105] start_kernel+0x47a/0x500 [ 74.395842][ T5105] x86_64_start_reservations+0x2a/0x30 [ 74.401917][ T5105] x86_64_start_kernel+0x99/0xa0 [ 74.407378][ T5105] common_startup_64+0x13e/0x147 [ 74.412848][ T5105] [ 74.412848][ T5105] -> #2 (&p->pi_lock){-.-.}-{2:2}: [ 74.420146][ T5105] lock_acquire+0x1ed/0x550 [ 74.425164][ T5105] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.430974][ T5105] try_to_wake_up+0xb0/0x1470 [ 74.436169][ T5105] signal_wake_up_state+0xb4/0x120 [ 74.441796][ T5105] complete_signal+0x94a/0xcf0 [ 74.447110][ T5105] __send_signal_locked+0xb1b/0xdc0 [ 74.452825][ T5105] do_notify_parent+0xd96/0x10a0 [ 74.458453][ T5105] do_exit+0x1825/0x27f0 [ 74.463226][ T5105] do_group_exit+0x207/0x2c0 [ 74.468340][ T5105] __x64_sys_exit_group+0x3f/0x40 [ 74.473892][ T5105] x64_sys_call+0x2634/0x2640 [ 74.479172][ T5105] do_syscall_64+0xf3/0x230 [ 74.484189][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.490774][ T5105] [ 74.490774][ T5105] -> #1 (&sighand->siglock){-...}-{2:2}: [ 74.498702][ T5105] lock_acquire+0x1ed/0x550 [ 74.503737][ T5105] _raw_spin_lock_irqsave+0xd5/0x120 [ 74.509579][ T5105] __lock_task_sighand+0x149/0x2d0 [ 74.515221][ T5105] group_send_sig_info+0x274/0x310 [ 74.520855][ T5105] bpf_send_signal_common+0x2dd/0x430 [ 74.526745][ T5105] bpf_send_signal_thread+0x16/0x20 [ 74.532469][ T5105] 0xffffffffa000204e [ 74.537154][ T5105] bpf_trace_run4+0x334/0x590 [ 74.542346][ T5105] __mmap_lock_do_trace_acquire_returned+0x5c8/0x630 [ 74.549628][ T5105] lock_mm_and_find_vma+0x213/0x2f0 [ 74.555364][ T5105] exc_page_fault+0x1bf/0x8c0 [ 74.560565][ T5105] asm_exc_page_fault+0x26/0x30 [ 74.565949][ T5105] __put_user_8+0x11/0x20 [ 74.570906][ T5105] __rseq_handle_notify_resume+0x666/0x14e0 [ 74.577334][ T5105] syscall_exit_to_user_mode+0x114/0x370 [ 74.583620][ T5105] do_syscall_64+0x100/0x230 [ 74.588731][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.595328][ T5105] [ 74.595328][ T5105] -> #0 (lock#9){+.+.}-{2:2}: [ 74.602221][ T5105] validate_chain+0x18e0/0x5900 [ 74.607593][ T5105] __lock_acquire+0x1346/0x1fd0 [ 74.612958][ T5105] lock_acquire+0x1ed/0x550 [ 74.617991][ T5105] __mmap_lock_do_trace_acquire_returned+0xa8/0x630 [ 74.625106][ T5105] stack_map_get_build_id_offset+0x9af/0x9d0 [ 74.631871][ T5105] __bpf_get_stack+0x4ad/0x5a0 [ 74.637196][ T5105] bpf_get_stack_raw_tp+0x1a3/0x240 [ 74.642938][ T5105] bpf_prog_ec3b2eefa702d8d3+0x42/0x46 [ 74.648941][ T5105] bpf_trace_run2+0x2ec/0x540 [ 74.654153][ T5105] trace_tlb_flush+0x118/0x140 [ 74.659492][ T5105] switch_mm_irqs_off+0x7cb/0xae0 [ 74.665054][ T5105] __schedule+0x1079/0x4a60 [ 74.670085][ T5105] preempt_schedule_common+0x84/0xd0 [ 74.676000][ T5105] preempt_schedule+0xe1/0xf0 [ 74.681218][ T5105] preempt_schedule_thunk+0x1a/0x30 [ 74.687020][ T5105] _raw_spin_unlock+0x3e/0x50 [ 74.692405][ T5105] __text_poke+0xa6b/0xd30 [ 74.697352][ T5105] text_poke_bp_batch+0x8cd/0xb30 [ 74.702929][ T5105] text_poke_finish+0x30/0x50 [ 74.708146][ T5105] arch_jump_label_transform_apply+0x1c/0x30 [ 74.714654][ T5105] static_key_enable_cpuslocked+0x136/0x260 [ 74.721085][ T5105] static_key_enable+0x1a/0x20 [ 74.726380][ T5105] tracepoint_add_func+0x953/0x9e0 [ 74.732024][ T5105] tracepoint_probe_register_prio_may_exist+0x122/0x190 [ 74.739483][ T5105] bpf_raw_tp_link_attach+0x48b/0x6e0 [ 74.745380][ T5105] bpf_raw_tracepoint_open+0x1c2/0x240 [ 74.751357][ T5105] __sys_bpf+0x3c0/0x810 [ 74.756113][ T5105] __x64_sys_bpf+0x7c/0x90 [ 74.761048][ T5105] do_syscall_64+0xf3/0x230 [ 74.766067][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.772475][ T5105] [ 74.772475][ T5105] other info that might help us debug this: [ 74.772475][ T5105] [ 74.783221][ T5105] Chain exists of: [ 74.783221][ T5105] lock#9 --> &p->pi_lock --> &rq->__lock [ 74.783221][ T5105] [ 74.794803][ T5105] Possible unsafe locking scenario: [ 74.794803][ T5105] [ 74.802246][ T5105] CPU0 CPU1 [ 74.807627][ T5105] ---- ---- [ 74.812986][ T5105] lock(&rq->__lock); [ 74.817049][ T5105] lock(&p->pi_lock); [ 74.823643][ T5105] lock(&rq->__lock); [ 74.830241][ T5105] lock(lock#9); [ 74.833886][ T5105] [ 74.833886][ T5105] *** DEADLOCK *** [ 74.833886][ T5105] [ 74.842015][ T5105] 8 locks held by syz-executor260/5105: [ 74.847551][ T5105] #0: ffffffff8e383368 (tracepoints_mutex){+.+.}-{3:3}, at: tracepoint_probe_register_prio_may_exist+0xbb/0x190 [ 74.859484][ T5105] #1: ffffffff8e1d05b0 (cpu_hotplug_lock){++++}-{0:0}, at: static_key_enable+0x12/0x20 [ 74.869227][ T5105] #2: ffffffff8e3e5168 (jump_label_mutex){+.+.}-{3:3}, at: static_key_enable_cpuslocked+0xd7/0x260 [ 74.880035][ T5105] #3: ffffffff8e1e5728 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0x17/0x30 [ 74.890491][ T5105] #4: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: __pte_offset_map+0x82/0x380 [ 74.900159][ T5105] #5: ffff8880b953e858 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 74.910099][ T5105] #6: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x1fc/0x540 [ 74.919509][ T5105] #7: ffff88805be8b118 (&mm->mmap_lock){++++}-{3:3}, at: stack_map_get_build_id_offset+0x237/0x9d0 [ 74.930327][ T5105] [ 74.930327][ T5105] stack backtrace: [ 74.936208][ T5105] CPU: 1 PID: 5105 Comm: syz-executor260 Not tainted 6.10.0-syzkaller-04490-ga1b7dbca1490 #0 [ 74.946344][ T5105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 74.956402][ T5105] Call Trace: [ 74.959675][ T5105] [ 74.962602][ T5105] dump_stack_lvl+0x241/0x360 [ 74.967273][ T5105] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.972471][ T5105] ? print_circular_bug+0x130/0x1a0 [ 74.977669][ T5105] check_noncircular+0x36a/0x4a0 [ 74.982601][ T5105] ? __pfx_validate_chain+0x10/0x10 [ 74.988061][ T5105] ? __pfx_check_noncircular+0x10/0x10 [ 74.993537][ T5105] ? lockdep_lock+0x123/0x2b0 [ 74.998223][ T5105] validate_chain+0x18e0/0x5900 [ 75.003102][ T5105] ? __pfx_validate_chain+0x10/0x10 [ 75.008311][ T5105] ? __bfs+0x368/0x6f0 [ 75.012473][ T5105] ? __pfx_hlock_conflict+0x10/0x10 [ 75.017667][ T5105] ? __pfx___bfs+0x10/0x10 [ 75.022099][ T5105] ? mark_lock+0x9a/0x350 [ 75.026425][ T5105] ? mark_lock+0x9a/0x350 [ 75.030839][ T5105] __lock_acquire+0x1346/0x1fd0 [ 75.035692][ T5105] lock_acquire+0x1ed/0x550 [ 75.040188][ T5105] ? __mmap_lock_do_trace_acquire_returned+0x8f/0x630 [ 75.046948][ T5105] ? __pfx_lockdep_unlock+0x10/0x10 [ 75.052156][ T5105] ? __pfx_lock_acquire+0x10/0x10 [ 75.057174][ T5105] ? validate_chain+0x15b1/0x5900 [ 75.062198][ T5105] ? down_read_trylock+0x24f/0x3c0 [ 75.067305][ T5105] ? stack_map_get_build_id_offset+0x237/0x9d0 [ 75.073456][ T5105] ? __mmap_lock_do_trace_acquire_returned+0x8f/0x630 [ 75.080212][ T5105] __mmap_lock_do_trace_acquire_returned+0xa8/0x630 [ 75.086794][ T5105] ? __mmap_lock_do_trace_acquire_returned+0x8f/0x630 [ 75.093586][ T5105] stack_map_get_build_id_offset+0x9af/0x9d0 [ 75.099569][ T5105] ? __pfx_stack_map_get_build_id_offset+0x10/0x10 [ 75.106068][ T5105] __bpf_get_stack+0x4ad/0x5a0 [ 75.110834][ T5105] ? __pfx___bpf_get_stack+0x10/0x10 [ 75.116121][ T5105] ? __pfx___cant_migrate+0x10/0x10 [ 75.121331][ T5105] bpf_get_stack_raw_tp+0x1a3/0x240 [ 75.126533][ T5105] ? bpf_trace_run2+0x1fc/0x540 [ 75.131482][ T5105] bpf_prog_ec3b2eefa702d8d3+0x42/0x46 [ 75.136933][ T5105] bpf_trace_run2+0x2ec/0x540 [ 75.141607][ T5105] ? __pfx_bpf_trace_run2+0x10/0x10 [ 75.146818][ T5105] trace_tlb_flush+0x118/0x140 [ 75.151592][ T5105] switch_mm_irqs_off+0x7cb/0xae0 [ 75.156621][ T5105] ? __pfx_switch_mm_irqs_off+0x10/0x10 [ 75.162175][ T5105] __schedule+0x1079/0x4a60 [ 75.166690][ T5105] ? bpf_get_stack_raw_tp+0x1a3/0x240 [ 75.172082][ T5105] ? __pfx___schedule+0x10/0x10 [ 75.176933][ T5105] ? bpf_trace_run2+0x36e/0x540 [ 75.181789][ T5105] ? preempt_schedule+0xe1/0xf0 [ 75.186639][ T5105] preempt_schedule_common+0x84/0xd0 [ 75.192012][ T5105] preempt_schedule+0xe1/0xf0 [ 75.196686][ T5105] ? __pfx_preempt_schedule+0x10/0x10 [ 75.202055][ T5105] ? iopt_pages_rw_access+0x5c1/0x8e0 [ 75.207434][ T5105] ? iopt_pages_rw_access+0x5c1/0x8e0 [ 75.212806][ T5105] preempt_schedule_thunk+0x1a/0x30 [ 75.218003][ T5105] _raw_spin_unlock+0x3e/0x50 [ 75.222691][ T5105] __text_poke+0xa6b/0xd30 [ 75.227190][ T5105] ? iopt_pages_rw_access+0x5c1/0x8e0 [ 75.232579][ T5105] ? __pfx_text_poke_memcpy+0x10/0x10 [ 75.237944][ T5105] ? __pfx___text_poke+0x10/0x10 [ 75.242961][ T5105] ? xdp_umem_create+0x901/0xf30 [ 75.247895][ T5105] ? perf_event_text_poke+0x258/0x330 [ 75.253275][ T5105] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 75.259637][ T5105] ? __pfx_perf_event_text_poke+0x10/0x10 [ 75.265376][ T5105] ? __mutex_trylock_common+0x183/0x2e0 [ 75.270921][ T5105] ? __pfx___might_resched+0x10/0x10 [ 75.276246][ T5105] text_poke_bp_batch+0x8cd/0xb30 [ 75.281297][ T5105] ? xdp_umem_create+0x902/0xf30 [ 75.286250][ T5105] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 75.291808][ T5105] ? arch_jump_label_transform_queue+0x9b/0x100 [ 75.298050][ T5105] text_poke_finish+0x30/0x50 [ 75.302734][ T5105] arch_jump_label_transform_apply+0x1c/0x30 [ 75.308733][ T5105] static_key_enable_cpuslocked+0x136/0x260 [ 75.314641][ T5105] ? __pfx___bpf_trace_mmap_lock_acquire_returned+0x10/0x10 [ 75.321950][ T5105] static_key_enable+0x1a/0x20 [ 75.326733][ T5105] tracepoint_add_func+0x953/0x9e0 [ 75.331862][ T5105] ? __pfx___bpf_trace_mmap_lock_acquire_returned+0x10/0x10 [ 75.339168][ T5105] tracepoint_probe_register_prio_may_exist+0x122/0x190 [ 75.346111][ T5105] ? __pfx_tracepoint_probe_register_prio_may_exist+0x10/0x10 [ 75.353576][ T5105] ? __pfx___bpf_trace_mmap_lock_acquire_returned+0x10/0x10 [ 75.360855][ T5105] ? anon_inode_getfile+0xff/0x180 [ 75.365961][ T5105] ? bpf_probe_register+0x134/0x1f0 [ 75.371158][ T5105] bpf_raw_tp_link_attach+0x48b/0x6e0 [ 75.376541][ T5105] ? __pfx_bpf_raw_tp_link_attach+0x10/0x10 [ 75.382438][ T5105] bpf_raw_tracepoint_open+0x1c2/0x240 [ 75.387886][ T5105] __sys_bpf+0x3c0/0x810 [ 75.392381][ T5105] ? __pfx___sys_bpf+0x10/0x10 [ 75.397222][ T5105] ? __rseq_handle_notify_resume+0x353/0x14e0 [ 75.403323][ T5105] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 75.409296][ T5105] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.415612][ T5105] ? do_syscall_64+0x100/0x230 [ 75.420412][ T5105] __x64_sys_bpf+0x7c/0x90 [ 75.424848][ T5105] do_syscall_64+0xf3/0x230 [ 75.429423][ T5105] ? clear_bhb_loop+0x35/0x90 [ 75.434119][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.440016][ T5105] RIP: 0033:0x7f6431a0d839 [ 75.444451][ T5105] Code: Unable to access opcode bytes at 0x7f6431a0d80f. executing program executing program [ 75.451457][ T5105] RSP: 002b:00007ffd17667488 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 75.459863][ T5105] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6431a0d839 [ 75.467823][ T5105] RDX: 0000000000000010 RSI: 0000000020000100 RDI: 0000000000000011 [ 75.475780][ T5105] RBP: 00000000000121ae R08: 00007ffd176674ac R09: 00007ffd176674ac [ 75.483930][ T5105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd176674ac [ 75.492078][ T5105] R13: 431bde82d7b634db R14: 00007ffd176674c0 R15: 0000000000000001 [ 75.500059][ T5105] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program