[ 11.025841][ T249] ip (249) used greatest stack depth: 24352 bytes left
[ 15.941072][ T326] gre: GRE over IPv4 demultiplexor driver
[ 15.991741][ T326] ip6_gre: GRE over IPv6 tunneling driver
[ 17.530003][ T349] 8021q: 802.1Q VLAN Support v1.8
[ 17.555521][ T348] ip (348) used greatest stack depth: 23952 bytes left
[ 20.393205][ T387] GACT probability NOT on
[ 36.032220][ C1]
[ 36.032612][ C1] =============================
[ 36.032829][ C1] WARNING: suspicious RCU usage
[ 36.033034][ C1] 6.13.0-virtme #1 Not tainted
[ 36.033262][ C1] -----------------------------
[ 36.033472][ C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 36.033827][ C1]
[ 36.033827][ C1] other info that might help us debug this:
[ 36.033827][ C1]
[ 36.034475][ C1]
[ 36.034475][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 36.034784][ C1] 2 locks held by mausezahn/500:
[ 36.035044][ C1] #0: ffffffff9e142e30 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x88/0x1e0
[ 36.035531][ C1] #1: ffffc900001e0d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 36.035903][ C1]
[ 36.035903][ C1] stack backtrace:
[ 36.036160][ C1] CPU: 1 UID: 0 PID: 500 Comm: mausezahn Not tainted 6.13.0-virtme #1
[ 36.036165][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.036167][ C1] Call Trace:
[ 36.036169][ C1]
[ 36.036171][ C1] dump_stack_lvl+0xb0/0xd0
[ 36.036178][ C1] lockdep_rcu_suspicious+0x1ea/0x280
[ 36.036188][ C1] __icmp_send+0xb0d/0x1580
[ 36.036202][ C1] ? __lock_acquire+0xb9a/0x1680
[ 36.036207][ C1] ? __pfx___icmp_send+0x10/0x10
[ 36.036210][ C1] ? check_prev_add+0xce0/0xce0
[ 36.036225][ C1] ? rcu_read_lock_any_held+0x43/0xb0
[ 36.036229][ C1] ? validate_chain+0x1fe/0xae0
[ 36.036241][ C1] ? __pfx_validate_chain+0x10/0x10
[ 36.036245][ C1] ? hlock_class+0x4e/0x130
[ 36.036248][ C1] ? mark_lock+0x38/0x3e0
[ 36.036258][ C1] ? __lock_acquire+0xb9a/0x1680
[ 36.036267][ C1] ipv4_send_dest_unreach+0x3b4/0x800
[ 36.036272][ C1] ? neigh_invalidate+0x1c7/0x540
[ 36.036277][ C1] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 36.036290][ C1] ipv4_link_failure+0x1b/0x190
[ 36.036295][ C1] arp_error_report+0x96/0x170
[ 36.036303][ C1] neigh_invalidate+0x209/0x540
[ 36.036312][ C1] neigh_timer_handler+0x87a/0xdf0
[ 36.036321][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 36.036325][ C1] call_timer_fn+0x13b/0x230
[ 36.036327][ C1] ? call_timer_fn+0xe8/0x230
[ 36.036330][ C1] ? call_timer_fn+0xe8/0x230
[ 36.036334][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 36.036337][ C1] ? hlock_class+0x4e/0x130
[ 36.036345][ C1] ? mark_held_locks+0x9e/0xe0
[ 36.036356][ C1] __run_timers+0x545/0x810
[ 36.036360][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 36.036370][ C1] ? __pfx___run_timers+0x10/0x10
[ 36.036373][ C1] ? clockevents_program_event+0xf6/0x300
[ 36.036382][ C1] ? do_raw_spin_lock+0x131/0x270
[ 36.036387][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 36.036392][ C1] ? lock_acquire+0x32/0xc0
[ 36.036394][ C1] ? run_timer_softirq+0xe6/0x1c0
[ 36.036404][ C1] run_timer_softirq+0xee/0x1c0
[ 36.036409][ C1] handle_softirqs+0x1f6/0x5c0
[ 36.036427][ C1] __irq_exit_rcu+0xc4/0x100
[ 36.036433][ C1] irq_exit_rcu+0xe/0x20
[ 36.036437][ C1] sysvec_apic_timer_interrupt+0x78/0x90
[ 36.036442][ C1]
[ 36.036443][ C1]
[ 36.036446][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 36.036450][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 36.036455][ C1] Code: 10 e8 81 74 88 fd 48 89 ef e8 c9 e4 88 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 75 7d 10 63 <74> 0e 5b 5d c3 cc cc cc cc e8 8f 03 ae fd eb dc 0f 1f 44 00 00 5b
[ 36.036458][ C1] RSP: 0000:ffffc90000b77608 EFLAGS: 00000286
[ 36.036462][ C1] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff40064c3
[ 36.036464][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9cf34761
[ 36.036466][ C1] RBP: ffff88800104f440 R08: 0000000000000001 R09: fffffbfff40043e5
[ 36.036468][ C1] R10: ffffffffa0021f2f R11: ffff888009482300 R12: ffff88800d48a140
[ 36.036470][ C1] R13: 0000000000000000 R14: ffffc90000b77658 R15: ffff88800d48afe0
[ 36.036481][ C1] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 36.036490][ C1] qlist_free_all+0x4c/0x120
[ 36.036498][ C1] kasan_quarantine_reduce+0x195/0x1e0
[ 36.036504][ C1] __kasan_slab_alloc+0x49/0x70
[ 36.036511][ C1] kmem_cache_alloc_node_noprof+0x110/0x360
[ 36.036516][ C1] ? __create_object+0x5e/0xb0
[ 36.036528][ C1] kmalloc_reserve+0x13e/0x240
[ 36.036537][ C1] __alloc_skb+0x111/0x2e0
[ 36.036542][ C1] ? __pfx___alloc_skb+0x10/0x10
[ 36.036550][ C1] ? __lock_acquire+0xb9a/0x1680
[ 36.036560][ C1] alloc_skb_with_frags+0xbb/0x840
[ 36.036566][ C1] ? find_held_lock+0x2c/0x110
[ 36.036576][ C1] sock_alloc_send_pskb+0x660/0x7f0
[ 36.036580][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 36.036585][ C1] ? find_held_lock+0x2c/0x110
[ 36.036595][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10
[ 36.036601][ C1] ? rt_is_expired+0x12c/0x270
[ 36.036605][ C1] ? __mkroute_output+0xbb1/0xf50
[ 36.036610][ C1] ? ip_route_output_key_hash+0x13c/0x260
[ 36.036619][ C1] raw_send_hdrinc+0x251/0x1830
[ 36.036632][ C1] ? __pfx_raw_send_hdrinc+0x10/0x10
[ 36.036645][ C1] raw_sendmsg+0x1133/0x17e0
[ 36.036650][ C1] ? mark_lock_irq+0x981/0xa10
[ 36.036660][ C1] ? __pfx_raw_sendmsg+0x10/0x10
[ 36.036664][ C1] ? synchronize_rcu_tasks_trace+0x21/0x80
[ 36.036683][ C1] ? __lock_release+0x103/0x460
[ 36.036686][ C1] ? __might_fault+0x11b/0x170
[ 36.036692][ C1] ? __pfx___lock_release+0x10/0x10
[ 36.036696][ C1] ? trace_lock_acquire+0x14c/0x1f0
[ 36.036698][ C1] ? __lock_acquire+0xb9a/0x1680
[ 36.036705][ C1] ? lock_acquire+0x32/0xc0
[ 36.036707][ C1] ? __might_fault+0xc3/0x170
[ 36.036713][ C1] ? __might_fault+0x11b/0x170
[ 36.036724][ C1] __sys_sendto+0x37a/0x450
[ 36.036731][ C1] ? __pfx___sys_sendto+0x10/0x10
[ 36.036734][ C1] ? __pfx___lock_release+0x10/0x10
[ 36.036737][ C1] ? trace_lock_acquire+0x14c/0x1f0
[ 36.036749][ C1] ? rseq_update_cpu_node_id+0xe6/0x140
[ 36.036756][ C1] ? __rseq_handle_notify_resume+0x288/0x3e0
[ 36.036762][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10
[ 36.036769][ C1] ? __pfx_task_work_run+0x10/0x10
[ 36.036781][ C1] __x64_sys_sendto+0xe0/0x1c0
[ 36.036785][ C1] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 36.036790][ C1] do_syscall_64+0xc1/0x1d0
[ 36.036796][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 36.036799][ C1] RIP: 0033:0x7feb4ad21a4a
[ 36.036804][ C1] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89
[ 36.036806][ C1] RSP: 002b:00007ffc4781a308 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 36.036809][ C1] RAX: ffffffffffffffda RBX: 000000002caf59d0 RCX: 00007feb4ad21a4a
[ 36.036811][ C1] RDX: 000000000000005c RSI: 000000002caf55c0 RDI: 0000000000000005
[ 36.036813][ C1] RBP: 000000002caf59d0 R08: 00007ffc4781a310 R09: 0000000000000010
[ 36.036814][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000005c
[ 36.036816][ C1] R13: 0000000000000032 R14: 0000000000000000 R15: 0000000000000000
[ 36.036832][ C1]
[ 89.472224][ C3]
[ 89.472480][ C3] =============================
[ 89.472749][ C3] WARNING: suspicious RCU usage
[ 89.473019][ C3] 6.13.0-virtme #1 Not tainted
[ 89.473296][ C3] -----------------------------
[ 89.473561][ C3] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 89.474008][ C3]
[ 89.474008][ C3] other info that might help us debug this:
[ 89.474008][ C3]
[ 89.474533][ C3]
[ 89.474533][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 89.474923][ C3] 1 lock held by swapper/3/0:
[ 89.475218][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 89.475721][ C3]
[ 89.475721][ C3] stack backtrace:
[ 89.476052][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.13.0-virtme #1
[ 89.476059][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 89.476063][ C3] Call Trace:
[ 89.476065][ C3]
[ 89.476070][ C3] dump_stack_lvl+0xb0/0xd0
[ 89.476083][ C3] lockdep_rcu_suspicious+0x1ea/0x280
[ 89.476100][ C3] icmp6_send+0x10ab/0x1bf0
[ 89.476112][ C3] ? rcu_read_lock_any_held+0x43/0xb0
[ 89.476120][ C3] ? validate_chain+0x1fe/0xae0
[ 89.476144][ C3] ? __pfx_icmp6_send+0x10/0x10
[ 89.476160][ C3] ? __pfx_validate_chain+0x10/0x10
[ 89.476168][ C3] ? hlock_class+0x4e/0x130
[ 89.476173][ C3] ? mark_lock+0x38/0x3e0
[ 89.476193][ C3] ? __lock_acquire+0xb9a/0x1680
[ 89.476203][ C3] ? find_held_lock+0x2c/0x110
[ 89.476215][ C3] ? __lock_release+0x103/0x460
[ 89.476219][ C3] ? neigh_invalidate+0x1c7/0x540
[ 89.476228][ C3] ? __pfx___lock_release+0x10/0x10
[ 89.476234][ C3] ? lock_acquire.part.0+0xeb/0x330
[ 89.476255][ C3] ip6_link_failure+0x30/0x430
[ 89.476270][ C3] ndisc_error_report+0x96/0x170
[ 89.476283][ C3] neigh_invalidate+0x209/0x540
[ 89.476300][ C3] neigh_timer_handler+0x87a/0xdf0
[ 89.476318][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 89.476325][ C3] call_timer_fn+0x13b/0x230
[ 89.476331][ C3] ? call_timer_fn+0xe8/0x230
[ 89.476334][ C3] ? call_timer_fn+0xe8/0x230
[ 89.476341][ C3] ? __pfx_call_timer_fn+0x10/0x10
[ 89.476345][ C3] ? mark_lock+0x38/0x3e0
[ 89.476379][ C3] __run_timers+0x545/0x810
[ 89.476384][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 89.476404][ C3] ? __pfx___run_timers+0x10/0x10
[ 89.476409][ C3] ? clockevents_program_event+0xf6/0x300
[ 89.476426][ C3] ? do_raw_spin_lock+0x131/0x270
[ 89.476436][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 89.476443][ C3] ? lock_acquire+0x32/0xc0
[ 89.476448][ C3] ? run_timer_softirq+0xe6/0x1c0
[ 89.476465][ C3] run_timer_softirq+0xee/0x1c0
[ 89.476474][ C3] handle_softirqs+0x1f6/0x5c0
[ 89.476498][ C3] __irq_exit_rcu+0xc4/0x100
[ 89.476504][ C3] irq_exit_rcu+0xe/0x20
[ 89.476509][ C3] sysvec_apic_timer_interrupt+0x78/0x90
[ 89.476518][ C3]
[ 89.476520][ C3]
[ 89.476525][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 89.476533][ C3] RIP: 0010:default_idle+0xf/0x20
[ 89.476540][ C3] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 23 cc 14 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 89.476545][ C3] RSP: 0018:ffffc90000177df8 EFLAGS: 00000242
[ 89.476550][ C3] RAX: 0000000000100451 RBX: 1ffff9200002efc1 RCX: ffffffff9cf14b15
[ 89.476554][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9a769634
[ 89.476556][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3703a
[ 89.476560][ C3] R10: ffff8880361b81d3 R11: ffff888001b3a300 R12: 0000000000000000
[ 89.476563][ C3] R13: ffff888001b3a300 R14: dffffc0000000000 R15: 0000000000000000
[ 89.476581][ C3] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 89.476589][ C3] ? cpuidle_idle_call+0x1f4/0x280
[ 89.476604][ C3] default_idle_call+0x6d/0xb0
[ 89.476609][ C3] cpuidle_idle_call+0x1f4/0x280
[ 89.476617][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 89.476630][ C3] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 89.476647][ C3] do_idle+0xf6/0x160
[ 89.476659][ C3] cpu_startup_entry+0x54/0x60
[ 89.476667][ C3] start_secondary+0x21e/0x2b0
[ 89.476674][ C3] ? __pfx_start_secondary+0x10/0x10
[ 89.476693][ C3] common_startup_64+0x12c/0x138
[ 89.476730][ C3]
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
[ 407.143361][ T5362] ip (5362) used greatest stack depth: 23784 bytes left