[ 416.990905][ T8] device bridge_slave_1 left promiscuous mode [ 416.996889][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 417.005479][ T8] device bridge_slave_0 left promiscuous mode [ 417.011551][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 417.019606][ T8] device veth1_macvtap left promiscuous mode [ 417.025496][ T8] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.1.71' (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 [ 517.530270][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 517.537240][ C0] (detected by 0, t=10002 jiffies, g=98913, q=41) [ 517.543547][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10003 (4294988970-4294978967), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 517.556975][ C0] rcu: rcu_preempt kthread starved for 10004 jiffies! g98913 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 517.568005][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 517.577912][ C0] rcu: RCU grace-period kthread stack dump: [ 517.583641][ C0] task:rcu_preempt state:R running task stack:27960 pid: 14 ppid: 2 flags:0x00004000 [ 517.594344][ C0] Call Trace: [ 517.597455][ C0] [ 517.600243][ C0] __schedule+0xccc/0x1590 [ 517.604573][ C0] ? release_firmware_map_entry+0x190/0x190 [ 517.610387][ C0] ? __kasan_check_write+0x14/0x20 [ 517.615454][ C0] schedule+0x11f/0x1e0 [ 517.619526][ C0] schedule_timeout+0x18c/0x370 [ 517.624215][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 517.629253][ C0] ? console_conditional_schedule+0x30/0x30 [ 517.635166][ C0] ? update_process_times+0x200/0x200 [ 517.640360][ C0] ? prepare_to_swait_event+0x308/0x320 [ 517.645736][ C0] rcu_gp_fqs_loop+0x2af/0xf80 [ 517.650341][ C0] ? debug_smp_processor_id+0x17/0x20 [ 517.655544][ C0] ? __note_gp_changes+0x4ab/0x920 [ 517.660515][ C0] ? rcu_gp_init+0xc30/0xc30 [ 517.664916][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 517.670127][ C0] ? rcu_gp_init+0x9cf/0xc30 [ 517.674558][ C0] rcu_gp_kthread+0xa4/0x350 [ 517.679069][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 517.683763][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 517.688268][ C0] ? __kasan_check_read+0x11/0x20 [ 517.693126][ C0] ? __kthread_parkme+0xb2/0x200 [ 517.697905][ C0] kthread+0x421/0x510 [ 517.702007][ C0] ? wake_nocb_gp+0x1e0/0x1e0 [ 517.706509][ C0] ? kthread_blkcg+0xd0/0xd0 [ 517.711108][ C0] ret_from_fork+0x1f/0x30 [ 517.715498][ C0] [ 517.718352][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 517.724531][ C0] Sending NMI from CPU 0 to CPUs 1: [ 517.729576][ C1] NMI backtrace for cpu 1 [ 517.729588][ C1] CPU: 1 PID: 2855 Comm: syz-executor831 Not tainted 5.15.156-syzkaller-1070798-g29d153aabd54 #0 [ 517.729608][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 517.729619][ C1] RIP: 0010:kvm_wait+0x147/0x180 [ 517.729643][ C1] Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 6b ef 12 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c [ 517.729659][ C1] RSP: 0000:ffffc900007ce360 EFLAGS: 00000246 [ 517.729674][ C1] RAX: 0000000000000003 RBX: 1ffff920000f9c70 RCX: ffffffff81552d3f [ 517.729688][ C1] RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811476ae18 [ 517.729700][ C1] RBP: ffffc900007ce410 R08: dffffc0000000000 R09: ffffed10228ed5c4 [ 517.729714][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 517.729732][ C1] R13: ffff88811476ae18 R14: 0000000000000003 R15: 1ffff920000f9c74 [ 517.729745][ C1] FS: 000055555719b380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 517.729761][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 517.729774][ C1] CR2: 00007f425e721ce8 CR3: 000000011ebaa000 CR4: 00000000003506a0 [ 517.729789][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 517.729799][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 517.729811][ C1] Call Trace: [ 517.729816][ C1] [ 517.729823][ C1] ? show_regs+0x58/0x60 [ 517.729842][ C1] ? nmi_cpu_backtrace+0x29f/0x300 [ 517.729864][ C1] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 517.729885][ C1] ? kvm_wait+0x147/0x180 [ 517.729901][ C1] ? kvm_wait+0x147/0x180 [ 517.729916][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 517.729935][ C1] ? nmi_handle+0xa8/0x280 [ 517.729953][ C1] ? kvm_wait+0x147/0x180 [ 517.729968][ C1] ? default_do_nmi+0x69/0x160 [ 517.729985][ C1] ? exc_nmi+0xad/0x100 [ 517.729999][ C1] ? end_repeat_nmi+0x16/0x31 [ 517.730015][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 517.730037][ C1] ? kvm_wait+0x147/0x180 [ 517.730053][ C1] ? kvm_wait+0x147/0x180 [ 517.730068][ C1] ? kvm_wait+0x147/0x180 [ 517.730084][ C1] [ 517.730089][ C1] [ 517.730094][ C1] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 517.730115][ C1] ? kvm_arch_para_hints+0x30/0x30 [ 517.730133][ C1] ? __pv_queued_spin_lock_slowpath+0x65f/0xc40 [ 517.730157][ C1] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 [ 517.730179][ C1] ? __pv_queued_spin_unlock_slowpath+0x310/0x310 [ 517.730199][ C1] ? prep_new_page+0x1b/0x110 [ 517.730219][ C1] _raw_spin_lock_bh+0x139/0x1b0 [ 517.730237][ C1] ? _raw_spin_lock_irq+0x1b0/0x1b0 [ 517.730256][ C1] ? sock_hash_bucket_hash+0x31c/0x7e0 [ 517.730278][ C1] sock_hash_delete_elem+0x177/0x400 [ 517.730298][ C1] ? sock_hash_lookup+0x610/0x610 [ 517.730319][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xce8 [ 517.730334][ C1] bpf_trace_run4+0x13f/0x270 [ 517.730354][ C1] ? bpf_trace_run3+0x250/0x250 [ 517.730375][ C1] __bpf_trace_mm_page_alloc+0xbf/0xf0 [ 517.730394][ C1] __alloc_pages+0x3cb/0x8f0 [ 517.730412][ C1] ? prep_new_page+0x110/0x110 [ 517.730430][ C1] ? __bpf_trace_mm_page_alloc+0xbf/0xf0 [ 517.730448][ C1] ? stack_trace_save+0x113/0x1c0 [ 517.730468][ C1] __stack_depot_save+0x38d/0x470 [ 517.730484][ C1] ? stack_trace_save+0x1c0/0x1c0 [ 517.730503][ C1] stack_depot_save+0xe/0x10 [ 517.730518][ C1] save_stack+0x104/0x1e0 [ 517.730535][ C1] ? __reset_page_owner+0x190/0x190 [ 517.730551][ C1] ? post_alloc_hook+0x1a3/0x1b0 [ 517.730568][ C1] ? prep_new_page+0x1b/0x110 [ 517.730585][ C1] ? get_page_from_freelist+0x3550/0x35d0 [ 517.730603][ C1] ? __alloc_pages+0x27e/0x8f0 [ 517.730621][ C1] ? __stack_depot_save+0x38d/0x470 [ 517.730636][ C1] ? kasan_set_track+0x5d/0x70 [ 517.730652][ C1] ? kasan_set_free_info+0x23/0x40 [ 517.730669][ C1] ? ____kasan_slab_free+0x126/0x160 [ 517.730685][ C1] ? __kasan_slab_free+0x11/0x20 [ 517.730701][ C1] ? slab_free_freelist_hook+0xbd/0x190 [ 517.730716][ C1] ? kfree+0xc8/0x220 [ 517.730739][ C1] ? sock_map_unref+0x352/0x4d0 [ 517.730757][ C1] ? sock_hash_delete_elem+0x388/0x400 [ 517.730777][ C1] ? bpf_prog_2c29ac5cdc6b1842+0x3a/0xce8 [ 517.730790][ C1] ? bpf_trace_run4+0x13f/0x270 [ 517.730808][ C1] ? __bpf_trace_mm_page_alloc+0xbf/0xf0 [ 517.730825][ C1] ? check_buffer_access+0x2a0/0x2a0 [ 517.730846][ C1] __set_page_owner+0x28/0x2e0 [ 517.730862][ C1] ? kernel_init_free_pages+0xda/0xf0 [ 517.730881][ C1] post_alloc_hook+0x1a3/0x1b0 [ 517.730899][ C1] prep_new_page+0x1b/0x110 [ 517.730916][ C1] get_page_from_freelist+0x3550/0x35d0 [ 517.730939][ C1] ? __kernel_text_address+0x9b/0x110 [ 517.730960][ C1] ? lruvec_init+0x150/0x150 [ 517.730980][ C1] ? __alloc_pages+0x8f0/0x8f0 [ 517.730998][ C1] ? __alloc_pages_bulk+0xe40/0xe40 [ 517.731016][ C1] ? stack_trace_save+0x1c0/0x1c0 [ 517.731035][ C1] __alloc_pages+0x27e/0x8f0 [ 517.731053][ C1] ? prep_new_page+0x110/0x110 [ 517.731072][ C1] ? stack_trace_save+0x113/0x1c0 [ 517.731089][ C1] ? unwind_get_return_address+0x4d/0x90 [ 517.731109][ C1] ? stack_trace_snprint+0xf0/0xf0 [ 517.731126][ C1] ? arch_stack_walk+0xf3/0x140 [ 517.731145][ C1] __stack_depot_save+0x38d/0x470 [ 517.731162][ C1] ? kfree+0xc8/0x220 [ 517.731179][ C1] kasan_set_track+0x5d/0x70 [ 517.731194][ C1] ? kasan_set_track+0x4b/0x70 [ 517.731209][ C1] ? kasan_set_free_info+0x23/0x40 [ 517.731226][ C1] ? ____kasan_slab_free+0x126/0x160 [ 517.731242][ C1] ? __kasan_slab_free+0x11/0x20 [ 517.731258][ C1] ? slab_free_freelist_hook+0xbd/0x190 [ 517.731274][ C1] ? kfree+0xc8/0x220 [ 517.731290][ C1] ? sock_map_unref+0x352/0x4d0 [ 517.731308][ C1] ? sock_hash_delete_elem+0x388/0x400 [ 517.731327][ C1] ? bpf_prog_2c29ac5cdc6b1842+0x3a/0xce8 [ 517.731341][ C1] ? bpf_trace_run4+0x13f/0x270 [ 517.731358][ C1] ? __bpf_trace_mm_page_alloc+0xbf/0xf0 [ 517.731375][ C1] ? __alloc_pages+0x3cb/0x8f0 [ 517.731391][ C1] ? wp_page_copy+0x200/0x1b00 [ 517.731408][ C1] ? do_wp_page+0x6fa/0xb60 [ 517.731423][ C1] ? handle_pte_fault+0x7c0/0x24d0 [ 517.731439][ C1] ? do_handle_mm_fault+0x20bc/0x2400 [ 517.731456][ C1] ? exc_page_fault+0x3b5/0x830 [ 517.731471][ C1] ? asm_exc_page_fault+0x27/0x30 [ 517.731497][ C1] ? page_ext_put+0x1c/0x30 [ 517.731513][ C1] kasan_set_free_info+0x23/0x40 [ 517.731530][ C1] ____kasan_slab_free+0x126/0x160 [ 517.731547][ C1] __kasan_slab_free+0x11/0x20 [ 517.731563][ C1] slab_free_freelist_hook+0xbd/0x190 [ 517.731580][ C1] ? sock_map_unref+0x352/0x4d0 [ 517.731598][ C1] kfree+0xc8/0x220 [ 517.731616][ C1] sock_map_unref+0x352/0x4d0 [ 517.731636][ C1] sock_hash_delete_elem+0x388/0x400 [ 517.731656][ C1] ? sock_hash_lookup+0x610/0x610 [ 517.731676][ C1] bpf_prog_2c29ac5cdc6b1842+0x3a/0xce8 [ 517.731689][ C1] bpf_trace_run4+0x13f/0x270 [ 517.731708][ C1] ? bpf_trace_run3+0x250/0x250 [ 517.731733][ C1] __bpf_trace_mm_page_alloc+0xbf/0xf0 [ 517.731752][ C1] __alloc_pages+0x3cb/0x8f0 [ 517.731770][ C1] ? prep_new_page+0x110/0x110 [ 517.731791][ C1] ? smp_call_function_many+0x40/0x40 [ 517.731809][ C1] wp_page_copy+0x200/0x1b00 [ 517.731826][ C1] ? __kasan_check_write+0x14/0x20 [ 517.731844][ C1] ? __kasan_check_write+0x14/0x20 [ 517.731862][ C1] ? insert_page_into_pte_locked+0x4e0/0x4e0 [ 517.731882][ C1] ? __pte_map_lock+0x442/0x620 [ 517.731899][ C1] do_wp_page+0x6fa/0xb60 [ 517.731917][ C1] handle_pte_fault+0x7c0/0x24d0 [ 517.731935][ C1] ? __kasan_check_write+0x14/0x20 [ 517.731953][ C1] ? fault_around_bytes_set+0xc0/0xc0 [ 517.731973][ C1] do_handle_mm_fault+0x20bc/0x2400 [ 517.731994][ C1] ? numa_migrate_prep+0xe0/0xe0 [ 517.732011][ C1] ? bpf_raw_tracepoint_open+0x8a0/0x950 [ 517.732033][ C1] ? down_read_trylock+0x3d6/0x7d0 [ 517.732051][ C1] ? __init_rwsem+0x1d0/0x1d0 [ 517.732067][ C1] ? security_bpf+0x82/0xb0 [ 517.732084][ C1] ? vmacache_find+0x21f/0x4d0 [ 517.732102][ C1] ? __find_vma+0x30/0x150 [ 517.732119][ C1] exc_page_fault+0x3b5/0x830 [ 517.732140][ C1] asm_exc_page_fault+0x27/0x30 [ 517.732159][ C1] RIP: 0033:0x7f425e67e2e0 [ 517.732174][ C1] Code: 41 54 55 48 89 f5 53 89 fb 48 83 ec 18 48 83 3d 0d 0d 0a 00 00 89 54 24 0c 74 08 84 c9 0f 85 09 02 00 00 31 c0 ba 01 00 00 00 0f b1 15 00 3a 0a 00 0f 85 0f 02 00 00 4c 8d 25 f3 39 0a 00 4c [ 517.732188][ C1] RSP: 002b:00007ffcea78c150 EFLAGS: 00010246 [ 517.732202][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 517.732213][ C1] RDX: 0000000000000001 RSI: 00007f425e71f120 RDI: 0000000000000000 [ 517.732224][ C1] RBP: 00007f425e71f120 R08: 0000000000000006 R09: 0000000000000006 [ 517.732235][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 517.732245][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 517.732259][ C1]