Warning: Permanently added '10.128.1.133' (ED25519) to the list of known hosts. [ 253.730446][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 253.737475][ C1] rcu: 0-....: (0 ticks this GP) idle=213/0/0x3 softirq=6665/6665 fqs=5250 [ 253.746859][ C1] (detected by 1, t=10502 jiffies, g=9605, q=32) [ 253.753294][ C1] Sending NMI from CPU 1 to CPUs 0: [ 253.758514][ C0] NMI backtrace for cpu 0 [ 253.758525][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.156-syzkaller #0 [ 253.758542][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 253.758555][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x80 [ 253.758597][ C0] Code: 39 d0 77 22 89 f8 89 f6 48 c7 44 0a 08 03 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 c3 0f 1f 00 <4c> 8b 04 24 65 48 8b 15 74 0f 82 7e 65 8b 05 75 0f 82 7e a9 00 01 [ 253.758611][ C0] RSP: 0018:ffffc900000074a8 EFLAGS: 00000046 [ 253.758626][ C0] RAX: ffffffff8186df59 RBX: 0000000000000000 RCX: ffffffff8c6bd5c0 [ 253.758639][ C0] RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000007 [ 253.758648][ C0] RBP: 0000000000000000 R08: ffffffff8186df38 R09: ffffed1017347662 [ 253.758660][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 253.758670][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 253.758680][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 253.758693][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 253.758705][ C0] CR2: 00007ffdac2a0000 CR3: 000000002369c000 CR4: 00000000003506f0 [ 253.758719][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 253.758728][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 253.758738][ C0] Call Trace: [ 253.758745][ C0] [ 253.758752][ C0] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 253.758771][ C0] ? read_lock_is_recursive+0x10/0x10 [ 253.758790][ C0] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 253.758807][ C0] ? unknown_nmi_error+0xd0/0xd0 [ 253.758832][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 253.758849][ C0] ? nmi_handle+0xf7/0x370 [ 253.758867][ C0] ? __sanitizer_cov_trace_const_cmp2+0x80/0x80 [ 253.758886][ C0] ? default_do_nmi+0x62/0x150 [ 253.758904][ C0] ? exc_nmi+0xa8/0x100 [ 253.758919][ C0] ? end_repeat_nmi+0x16/0x31 [ 253.758938][ C0] ? trace_hardirqs_off_finish+0x48/0x210 [ 253.758957][ C0] ? trace_hardirqs_off_finish+0x69/0x210 [ 253.758977][ C0] ? __sanitizer_cov_trace_const_cmp2+0x80/0x80 [ 253.758996][ C0] ? __sanitizer_cov_trace_const_cmp2+0x80/0x80 [ 253.759016][ C0] ? __sanitizer_cov_trace_const_cmp2+0x80/0x80 [ 253.759035][ C0] [ 253.759039][ C0] [ 253.759044][ C0] trace_hardirqs_off_finish+0x7c/0x210 [ 253.759064][ C0] irqentry_enter+0x41/0x50 [ 253.759082][ C0] sysvec_irq_work+0xa/0xb0 [ 253.759098][ C0] asm_sysvec_irq_work+0x16/0x20 [ 253.759115][ C0] RIP: 0010:rcu_read_unlock_special+0x84/0x520 [ 253.759135][ C0] Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 5d a7 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a [ 253.759147][ C0] RSP: 0018:ffffc900000075a0 EFLAGS: 00000206 [ 253.759160][ C0] RAX: d1a11c677fc3fd00 RBX: 1ffff92000000ebc RCX: ffffffff913edf03 [ 253.759173][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8b2980 RDI: ffffffff8ad8f380 [ 253.759185][ C0] RBP: ffffc90000007678 R08: ffffffff8186deb8 R09: ffffed1017347662 [ 253.759197][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c923b00 [ 253.759208][ C0] R13: ffffffff8c6bda18 R14: ffffc900000075e0 R15: 1ffff92000000eb8 [ 253.759224][ C0] ? trace_irq_enable_rcuidle+0x158/0x190 [ 253.759248][ C0] ? perf_tp_event+0xaf7/0xc40 [ 253.759267][ C0] ? __rcu_read_unlock+0x100/0x100 [ 253.759284][ C0] ? deref_stack_reg+0xbe/0x110 [ 253.759303][ C0] ? get_stack_info_noinstr+0x16/0x130 [ 253.759324][ C0] __rcu_read_unlock+0x92/0x100 [ 253.759341][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 253.759357][ C0] ? start_kernel+0x48c/0x540 [ 253.759373][ C0] is_bpf_text_address+0x24a/0x260 [ 253.759390][ C0] ? start_kernel+0x48c/0x540 [ 253.759405][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 253.759422][ C0] __kernel_text_address+0x94/0x100 [ 253.759442][ C0] unwind_get_return_address+0x49/0x80 [ 253.759461][ C0] arch_stack_walk+0xf3/0x140 [ 253.759482][ C0] ? start_kernel+0x48c/0x540 [ 253.759500][ C0] stack_trace_save+0x113/0x1c0 [ 253.759518][ C0] ? stack_trace_snprint+0xe0/0xe0 [ 253.759537][ C0] ? perf_trace_run_bpf_submit+0xf7/0x1d0 [ 253.759565][ C0] ? kmem_cache_free+0x91/0x1f0 [ 253.759583][ C0] kasan_set_track+0x4b/0x80 [ 253.759600][ C0] ? kasan_set_track+0x4b/0x80 [ 253.759617][ C0] ? kasan_set_free_info+0x1f/0x40 [ 253.759633][ C0] ? ____kasan_slab_free+0xd8/0x120 [ 253.759647][ C0] ? slab_free_freelist_hook+0xdd/0x160 [ 253.759664][ C0] ? kmem_cache_free+0x91/0x1f0 [ 253.759680][ C0] ? rcu_core+0xa15/0x1650 [ 253.759695][ C0] ? __do_softirq+0x3b3/0x93a [ 253.759710][ C0] ? __irq_exit_rcu+0x155/0x240 [ 253.759725][ C0] ? irq_exit_rcu+0x5/0x20 [ 253.759738][ C0] ? sysvec_apic_timer_interrupt+0x91/0xb0 [ 253.759756][ C0] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 253.759771][ C0] ? acpi_idle_do_entry+0x10f/0x340 [ 253.759789][ C0] ? acpi_idle_enter+0x352/0x4f0 [ 253.759806][ C0] ? cpuidle_enter_state+0x521/0xef0 [ 253.759820][ C0] ? cpuidle_enter+0x59/0x90 [ 253.759834][ C0] ? do_idle+0x3e4/0x670 [ 253.759850][ C0] ? cpu_startup_entry+0x14/0x20 [ 253.759886][ C0] kasan_set_free_info+0x1f/0x40 [ 253.759902][ C0] ____kasan_slab_free+0xd8/0x120 [ 253.759918][ C0] slab_free_freelist_hook+0xdd/0x160 [ 253.759937][ C0] ? rcu_core+0xa15/0x1650 [ 253.759954][ C0] kmem_cache_free+0x91/0x1f0 [ 253.759973][ C0] ? evict+0x620/0x620 [ 253.759989][ C0] rcu_core+0xa15/0x1650 [ 253.760011][ C0] ? local_bh_disable+0x20/0x20 [ 253.760032][ C0] ? rebalance_domains+0x942/0xab0 [ 253.760055][ C0] ? distribute_cfs_runtime+0x540/0x540 [ 253.760078][ C0] __do_softirq+0x3b3/0x93a [ 253.760096][ C0] ? __irq_exit_rcu+0x155/0x240 [ 253.760114][ C0] ? __entry_text_end+0x1fe9f7/0x1fe9f7 [ 253.760130][ C0] ? hrtimer_interrupt+0x76b/0x980 [ 253.760147][ C0] ? irqtime_account_irq+0xd0/0x1e0 [ 253.760167][ C0] __irq_exit_rcu+0x155/0x240 [ 253.760183][ C0] ? irq_exit_rcu+0x20/0x20 [ 253.760203][ C0] irq_exit_rcu+0x5/0x20 [ 253.760216][ C0] sysvec_apic_timer_interrupt+0x91/0xb0 [ 253.760235][ C0] [ 253.760239][ C0] [ 253.760244][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 253.760261][ C0] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 [ 253.760280][ C0] Code: 4d 59 f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 84 c9 5f f7 0f 1f 44 00 00 e8 7a 49 59 f7 0f 00 2d f3 06 bc 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 9b 0e a3 f7 [ 253.760292][ C0] RSP: 0018:ffffffff8c607b80 EFLAGS: 000002d3 [ 253.760305][ C0] RAX: ffffffff8a271366 RBX: 0000000000000000 RCX: ffffffff8c6bd5c0 [ 253.760316][ C0] RDX: 0000000000000000 RSI: ffffffff8a8b2980 RDI: ffffffff8ad8f380 [ 253.760327][ C0] RBP: ffffffff8c607c10 R08: ffffffff8186deb8 R09: ffffed1017347662 [ 253.760339][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff18c0f70 [ 253.760350][ C0] R13: ffff888146bf1804 R14: ffffffff8c607ba0 R15: dffffc0000000000 [ 253.760366][ C0] ? trace_irq_enable_rcuidle+0x158/0x190 [ 253.760384][ C0] ? acpi_idle_do_entry+0x106/0x340 [ 253.760406][ C0] ? acpi_idle_enter_bm+0x5c0/0x5c0 [ 253.760424][ C0] ? rcu_preempt_deferred_qs+0x6b/0x190 [ 253.760440][ C0] ? rcu_qs+0x190/0x190 [ 253.760459][ C0] acpi_idle_enter+0x352/0x4f0 [ 253.760478][ C0] cpuidle_enter_state+0x521/0xef0 [ 253.760499][ C0] ? cpuidle_enter_s2idle+0x6b0/0x6b0 [ 253.760518][ C0] ? menu_enable_device+0x380/0x380 [ 253.760536][ C0] cpuidle_enter+0x59/0x90 [ 253.760558][ C0] do_idle+0x3e4/0x670 [ 253.760579][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 253.760598][ C0] ? asm_sysvec_call_function_single+0x16/0x20 [ 253.760618][ C0] ? schedule_idle+0x57/0x90 [ 253.760637][ C0] cpu_startup_entry+0x14/0x20 [ 253.760654][ C0] ? time_init+0x40/0x40 [ 253.760672][ C0] start_kernel+0x48c/0x540 [ 253.760691][ C0] secondary_startup_64_no_verify+0xb1/0xbb [ 253.760717][ C0] [ 253.760724][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.209 msecs [ 255.590639][ T3248] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-... } 10687 jiffies s: 7513 root: 0x1/. [ 255.603412][ T3248] rcu: blocking rcu_node structures (internal RCU debug): [ 255.610838][ T3248] Task dump for CPU 0: [ 255.614913][ T3248] task:swapper/0 state:R running task stack:27320 pid: 0 ppid: 0 flags:0x00004008 [ 255.625795][ T3248] Call Trace: [ 255.629083][ T3248] [ 255.632048][ T3248] ? acpi_idle_enter_bm+0x5c0/0x5c0 [ 255.637265][ T3248] ? rcu_preempt_deferred_qs+0x6b/0x190 [ 255.642857][ T3248] ? rcu_qs+0x190/0x190 [ 255.647043][ T3248] ? acpi_idle_enter+0x352/0x4f0 [ 255.652048][ T3248] ? cpuidle_enter_state+0x521/0xef0 [ 255.657360][ T3248] ? cpuidle_enter_s2idle+0x6b0/0x6b0 [ 255.662784][ T3248] ? menu_enable_device+0x380/0x380 [ 255.668007][ T3248] ? cpuidle_enter+0x59/0x90 [ 255.672638][ T3248] ? do_idle+0x3e4/0x670 [ 255.676907][ T3248] ? idle_inject_timer_fn+0x60/0x60 [ 255.682152][ T3248] ? asm_sysvec_call_function_single+0x16/0x20 [ 255.688334][ T3248] ? schedule_idle+0x57/0x90 [ 255.693053][ T3248] ? cpu_startup_entry+0x14/0x20 [ 255.698008][ T3248] ? time_init+0x40/0x40 [ 255.702293][ T3248] ? start_kernel+0x48c/0x540 [ 255.706995][ T3248] ? secondary_startup_64_no_verify+0xb1/0xbb [ 255.713144][ T3248]