Warning: Permanently added '10.128.1.153' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 211.854241][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 211.861235][ C0] rcu: 0-....: (10500 ticks this GP) idle=7244/1/0x4000000000000000 softirq=10500/2332952 fqs=5227 [ 211.872610][ C0] rcu: hardirqs softirqs csw/system [ 211.879072][ C0] rcu: number: 1185608 1173067 0 [ 211.885603][ C0] rcu: cputime: 1082 50269 1101 ==> 52490(ms) [ 211.893493][ C0] rcu: (t=10500 jiffies g=10101 q=424 ncpus=2) [ 211.899892][ C0] CPU: 0 PID: 5904 Comm: syz-executor255 Not tainted 6.6.102-syzkaller #0 [ 211.908466][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 211.918595][ C0] RIP: 0010:__sanitizer_cov_trace_switch+0x96/0x120 [ 211.925278][ C0] Code: 41 54 53 48 8b 54 24 20 65 4c 8b 05 a4 29 7e 7e 45 31 c9 eb 08 49 ff c1 4c 39 c8 74 77 4e 8b 54 ce 10 65 44 8b 1d 92 29 7e 7e <41> 81 e3 00 01 ff 00 74 13 41 81 fb 00 01 00 00 75 d9 41 83 b8 1c [ 211.945478][ C0] RSP: 0018:ffffc90000007428 EFLAGS: 00000202 [ 211.951708][ C0] RAX: 0000000000000020 RBX: 0000000000000004 RCX: 0000000000000005 [ 211.960041][ C0] RDX: ffffffff818755b5 RSI: ffffffff8cd79180 RDI: 0000000000000004 [ 211.968135][ C0] RBP: 0000000000000c80 R08: ffff88802fd68000 R09: 0000000000000010 [ 211.976132][ C0] R10: 0000000000000010 R11: 0000000000000105 R12: dffffc0000000000 [ 211.984127][ C0] R13: f800000000000000 R14: ffff888018241560 R15: 00000000000929c4 [ 211.992209][ C0] FS: 000055558dca4380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 212.001249][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 212.007886][ C0] CR2: 00007f7456dca130 CR3: 00000000262ee000 CR4: 00000000003506f0 [ 212.015932][ C0] Call Trace: [ 212.019278][ C0] [ 212.022171][ C0] rb_event_length+0x45/0x3f0 [ 212.027093][ C0] check_buffer+0x542/0x950 [ 212.031775][ C0] __rb_reserve_next+0x511/0xd50 [ 212.036822][ C0] ring_buffer_lock_reserve+0xae1/0xed0 [ 212.042499][ C0] ? trace_event_raw_event_lock+0x230/0x230 [ 212.048810][ C0] ? mark_lock+0x94/0x320 [ 212.053321][ C0] trace_event_buffer_lock_reserve+0x1d0/0x6e0 [ 212.059531][ C0] trace_event_buffer_reserve+0x29b/0x3c0 [ 212.065292][ C0] ? trace_event_ignore_this_pid+0x130/0x130 [ 212.071327][ C0] trace_event_raw_event_bpf_trace_printk+0x101/0x210 [ 212.078129][ C0] ? __probestub_bpf_trace_printk+0x10/0x10 [ 212.084101][ C0] ? __asan_memcpy+0x40/0x70 [ 212.088919][ C0] trace_bpf_trace_printk+0x142/0x1a0 [ 212.094346][ C0] bpf_trace_printk+0x11f/0x190 [ 212.099400][ C0] ? bpf_probe_write_user+0xe0/0xe0 [ 212.104700][ C0] ? trace_call_bpf+0xc3/0x690 [ 212.110088][ C0] ? trace_call_bpf+0x5ba/0x690 [ 212.115053][ C0] ? verify_lock_unused+0x140/0x140 [ 212.120434][ C0] bpf_prog_9e1c00255e17e72e+0x38/0x3a [ 212.125967][ C0] bpf_trace_run1+0x1c9/0x3b0 [ 212.130734][ C0] ? bpf_trace_run1+0xd6/0x3b0 [ 212.135634][ C0] ? bpf_put_raw_tracepoint+0x60/0x60 [ 212.141078][ C0] ? __bpf_trace_rcu_utilization+0x95/0xe0 [ 212.147057][ C0] ? perf_trace_rcu_stall_warning+0x2d0/0x2d0 [ 212.153356][ C0] ? perf_trace_rcu_stall_warning+0x2d0/0x2d0 [ 212.159482][ C0] __bpf_trace_rcu_utilization+0xa2/0xe0 [ 212.165176][ C0] ? perf_trace_rcu_stall_warning+0x2d0/0x2d0 [ 212.171322][ C0] __traceiter_rcu_utilization+0x70/0xa0 [ 212.177016][ C0] trace_rcu_utilization+0x179/0x1a0 [ 212.182362][ C0] rcu_core+0x12d/0x1720 [ 212.186672][ C0] ? try_to_wake_up+0x454/0x1140 [ 212.191648][ C0] ? __lock_acquire+0x7c80/0x7c80 [ 212.196898][ C0] ? __rwlock_init+0x150/0x150 [ 212.201797][ C0] ? rcu_cpu_kthread_park+0x90/0x90 [ 212.207146][ C0] ? kvm_sched_clock_read+0x11/0x20 [ 212.212420][ C0] ? sched_clock+0x3f/0x60 [ 212.216898][ C0] ? sched_clock_cpu+0x75/0x430 [ 212.221818][ C0] ? _raw_spin_unlock+0x40/0x40 [ 212.226753][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 212.232863][ C0] ? lock_chain_count+0x20/0x20 [ 212.237764][ C0] ? try_to_wake_up+0x724/0x1140 [ 212.242788][ C0] handle_softirqs+0x280/0x820 [ 212.247595][ C0] ? __irq_exit_rcu+0xc7/0x190 [ 212.252402][ C0] ? do_softirq+0x180/0x180 [ 212.256951][ C0] ? irq_work_single+0x199/0x230 [ 212.261949][ C0] ? irqtime_account_irq+0xb6/0x1c0 [ 212.267218][ C0] __irq_exit_rcu+0xc7/0x190 [ 212.271866][ C0] ? irq_exit_rcu+0x20/0x20 [ 212.276684][ C0] ? rcu_is_watching+0x15/0xb0 [ 212.281573][ C0] irq_exit_rcu+0x9/0x20 [ 212.285853][ C0] sysvec_irq_work+0xa1/0xc0 [ 212.290488][ C0] [ 212.293446][ C0] [ 212.296498][ C0] asm_sysvec_irq_work+0x1a/0x20 [ 212.301461][ C0] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 212.307329][ C0] Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 aa 8f f0 f6 48 89 df e8 c2 61 f1 f6 e8 7d fd 14 f7 fb bf 01 00 00 00 12 7a e4 f6 65 8b 05 33 c9 8c 75 85 c0 74 02 5b c3 e8 10 ab 89 [ 212.327058][ C0] RSP: 0018:ffffc900045c7bf0 EFLAGS: 00000286 [ 212.333213][ C0] RAX: 50eb0e8a542e6a00 RBX: ffff88802bf22500 RCX: 50eb0e8a542e6a00 [ 212.341247][ C0] RDX: dffffc0000000000 RSI: ffffffff8aaab9c0 RDI: 0000000000000001 [ 212.349335][ C0] RBP: ffffc900045c7d50 R08: ffffffff8e4a882f R09: 1ffffffff1c95105 [ 212.357375][ C0] R10: dffffc0000000000 R11: fffffbfff1c95106 R12: ffff888029a070b0 [ 212.365385][ C0] R13: ffff88802fd68790 R14: dffffc0000000000 R15: ffff88802fd68918 [ 212.373458][ C0] acct_collect+0x595/0x750 [ 212.378183][ C0] ? acct_exit_ns+0xf0/0xf0 [ 212.382832][ C0] ? xacct_add_tsk+0x470/0x470 [ 212.387683][ C0] ? exit_itimers+0x51f/0x570 [ 212.392472][ C0] do_exit+0x816/0x23c0 [ 212.396695][ C0] ? put_task_struct+0xc0/0xc0 [ 212.401493][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 212.407570][ C0] ? lock_chain_count+0x20/0x20 [ 212.412570][ C0] ? _raw_spin_lock_irq+0xaf/0xe0 [ 212.417720][ C0] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 212.423231][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x760 [ 212.429259][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 212.434534][ C0] ? lockdep_hardirqs_on+0x98/0x150 [ 212.439786][ C0] do_group_exit+0x21b/0x2d0 [ 212.444437][ C0] __x64_sys_exit_group+0x3f/0x40 [ 212.449510][ C0] do_syscall_64+0x55/0xb0 [ 212.453969][ C0] ? clear_bhb_loop+0x40/0x90 [ 212.458671][ C0] ? clear_bhb_loop+0x40/0x90 [ 212.463372][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 212.469295][ C0] RIP: 0033:0x7f7456d4df79 [ 212.473739][ C0] Code: 90 49 c7 c0 b8 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 212.493577][ C0] RSP: 002b:00007ffdafba19a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 212.502036][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7456d4df79 [ 212.510058][ C0] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 212.518069][ C0] RBP: 00007f7456dc92b0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 212.526078][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7456dc92b0 [ 212.534158][ C0] R13: 0000000000000000 R14: 00007f7456dc9d20 R15: 00007f7456d1f130 [ 212.542200][ C0]