[ 325.519251][ C3]
[ 325.519675][ C3] =============================
[ 325.519884][ C3] WARNING: suspicious RCU usage
[ 325.520107][ C3] 6.13.0-virtme #1 Not tainted
[ 325.520326][ C3] -----------------------------
[ 325.520499][ C3] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 325.520803][ C3]
[ 325.520803][ C3] other info that might help us debug this:
[ 325.520803][ C3]
[ 325.521190][ C3]
[ 325.521190][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 325.521463][ C3] 1 lock held by swapper/3/0:
[ 325.521694][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 325.522081][ C3]
[ 325.522081][ C3] stack backtrace:
[ 325.522327][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.13.0-virtme #1
[ 325.522331][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 325.522334][ C3] Call Trace:
[ 325.522335][ C3]
[ 325.522340][ C3] dump_stack_lvl+0xb0/0xd0
[ 325.522348][ C3] lockdep_rcu_suspicious+0x1ea/0x280
[ 325.522357][ C3] __icmp_send+0xb0d/0x1580
[ 325.522369][ C3] ? __lock_acquire+0xb9a/0x1680
[ 325.522374][ C3] ? __pfx___icmp_send+0x10/0x10
[ 325.522381][ C3] ? rcu_read_lock_any_held+0x43/0xb0
[ 325.522385][ C3] ? validate_chain+0x1fe/0xae0
[ 325.522394][ C3] ? rcu_read_lock_any_held+0x43/0xb0
[ 325.522397][ C3] ? validate_chain+0x1fe/0xae0
[ 325.522409][ C3] ? __pfx_validate_chain+0x10/0x10
[ 325.522413][ C3] ? hlock_class+0x4e/0x130
[ 325.522415][ C3] ? mark_lock+0x38/0x3e0
[ 325.522425][ C3] ? __lock_acquire+0xb9a/0x1680
[ 325.522433][ C3] ipv4_send_dest_unreach+0x3b4/0x800
[ 325.522439][ C3] ? neigh_invalidate+0x1c7/0x540
[ 325.522444][ C3] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 325.522456][ C3] ipv4_link_failure+0x1b/0x190
[ 325.522461][ C3] arp_error_report+0x96/0x170
[ 325.522468][ C3] neigh_invalidate+0x209/0x540
[ 325.522477][ C3] neigh_timer_handler+0x87a/0xdf0
[ 325.522486][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 325.522489][ C3] call_timer_fn+0x13b/0x230
[ 325.522492][ C3] ? call_timer_fn+0xe8/0x230
[ 325.522495][ C3] ? call_timer_fn+0xe8/0x230
[ 325.522499][ C3] ? __pfx_call_timer_fn+0x10/0x10
[ 325.522501][ C3] ? mark_lock+0x38/0x3e0
[ 325.522519][ C3] __run_timers+0x545/0x810
[ 325.522522][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 325.522532][ C3] ? __pfx___run_timers+0x10/0x10
[ 325.522535][ C3] ? clockevents_program_event+0xf6/0x300
[ 325.522544][ C3] ? do_raw_spin_lock+0x131/0x270
[ 325.522550][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 325.522554][ C3] ? lock_acquire+0x32/0xc0
[ 325.522557][ C3] ? run_timer_softirq+0xe6/0x1c0
[ 325.522566][ C3] run_timer_softirq+0xee/0x1c0
[ 325.522571][ C3] handle_softirqs+0x1f6/0x5c0
[ 325.522584][ C3] __irq_exit_rcu+0xc4/0x100
[ 325.522587][ C3] irq_exit_rcu+0xe/0x20
[ 325.522590][ C3] sysvec_apic_timer_interrupt+0x78/0x90
[ 325.522594][ C3]
[ 325.522595][ C3]
[ 325.522598][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 325.522602][ C3] RIP: 0010:default_idle+0xf/0x20
[ 325.522606][ 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
[ 325.522609][ C3] RSP: 0018:ffffc90000177df8 EFLAGS: 00000246
[ 325.522612][ C3] RAX: 000000000048272b RBX: 1ffff9200002efc1 RCX: ffffffff9ad14b15
[ 325.522614][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff98569634
[ 325.522616][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3703a
[ 325.522617][ C3] R10: ffff8880361b81d3 R11: ffff888001b3a300 R12: 0000000000000000
[ 325.522619][ C3] R13: ffff888001b3a300 R14: dffffc0000000000 R15: 0000000000000000
[ 325.522628][ C3] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 325.522633][ C3] ? cpuidle_idle_call+0x1f4/0x280
[ 325.522641][ C3] default_idle_call+0x6d/0xb0
[ 325.522644][ C3] cpuidle_idle_call+0x1f4/0x280
[ 325.522648][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 325.522656][ C3] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 325.522665][ C3] do_idle+0xf6/0x160
[ 325.522671][ C3] cpu_startup_entry+0x54/0x60
[ 325.522675][ C3] start_secondary+0x21e/0x2b0
[ 325.522679][ C3] ? __pfx_start_secondary+0x10/0x10
[ 325.522689][ C3] common_startup_64+0x12c/0x138
[ 325.522709][ C3]
[ 357.967241][ C2]
[ 357.967581][ C2] =============================
[ 357.967811][ C2] WARNING: suspicious RCU usage
[ 357.968039][ C2] 6.13.0-virtme #1 Not tainted
[ 357.968262][ C2] -----------------------------
[ 357.968478][ C2] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 357.968827][ C2]
[ 357.968827][ C2] other info that might help us debug this:
[ 357.968827][ C2]
[ 357.969228][ C2]
[ 357.969228][ C2] rcu_scheduler_active = 2, debug_locks = 1
[ 357.969541][ C2] 1 lock held by mausezahn/3266:
[ 357.970043][ C2] #0: ffffc90000238ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 357.970437][ C2]
[ 357.970437][ C2] stack backtrace:
[ 357.970698][ C2] CPU: 2 UID: 0 PID: 3266 Comm: mausezahn Not tainted 6.13.0-virtme #1
[ 357.970702][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 357.970705][ C2] Call Trace:
[ 357.970707][ C2]
[ 357.970710][ C2] dump_stack_lvl+0xb0/0xd0
[ 357.970719][ C2] lockdep_rcu_suspicious+0x1ea/0x280
[ 357.970730][ C2] icmp6_send+0x10ab/0x1bf0
[ 357.970738][ C2] ? __lock_release+0x103/0x460
[ 357.970742][ C2] ? ip6_finish_output2+0x4d2/0x1080
[ 357.970748][ C2] ? __pfx___lock_release+0x10/0x10
[ 357.970760][ C2] ? __pfx_icmp6_send+0x10/0x10
[ 357.970769][ C2] ? __pfx_validate_chain+0x10/0x10
[ 357.970773][ C2] ? hlock_class+0x4e/0x130
[ 357.970776][ C2] ? mark_lock+0x38/0x3e0
[ 357.970786][ C2] ? __lock_acquire+0xb9a/0x1680
[ 357.970792][ C2] ? find_held_lock+0x2c/0x110
[ 357.970799][ C2] ? __lock_release+0x103/0x460
[ 357.970801][ C2] ? neigh_invalidate+0x1c7/0x540
[ 357.970807][ C2] ? __pfx___lock_release+0x10/0x10
[ 357.970811][ C2] ? lock_acquire.part.0+0xeb/0x330
[ 357.970822][ C2] ip6_link_failure+0x30/0x430
[ 357.970831][ C2] ndisc_error_report+0x96/0x170
[ 357.970837][ C2] neigh_invalidate+0x209/0x540
[ 357.970846][ C2] neigh_timer_handler+0x87a/0xdf0
[ 357.970856][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 357.970859][ C2] call_timer_fn+0x13b/0x230
[ 357.970862][ C2] ? call_timer_fn+0xe8/0x230
[ 357.970865][ C2] ? call_timer_fn+0xe8/0x230
[ 357.970869][ C2] ? __pfx_call_timer_fn+0x10/0x10
[ 357.970872][ C2] ? mark_lock+0x38/0x3e0
[ 357.970889][ C2] __run_timers+0x545/0x810
[ 357.970893][ C2] ? __pfx_neigh_timer_handler+0x10/0x10
[ 357.970903][ C2] ? __pfx___run_timers+0x10/0x10
[ 357.970906][ C2] ? __lock_release+0x103/0x460
[ 357.970913][ C2] ? do_raw_spin_lock+0x131/0x270
[ 357.970919][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 357.970924][ C2] ? lock_acquire+0x32/0xc0
[ 357.970926][ C2] ? timer_expire_remote+0x96/0xf0
[ 357.970936][ C2] timer_expire_remote+0x9e/0xf0
[ 357.970941][ C2] tmigr_handle_remote_cpu+0x278/0x440
[ 357.970948][ C2] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 357.970951][ C2] ? __pfx___lock_release+0x10/0x10
[ 357.970955][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 357.970973][ C2] tmigr_handle_remote_up+0x1a6/0x270
[ 357.970979][ C2] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 357.970984][ C2] __walk_groups.isra.0+0x44/0x160
[ 357.970994][ C2] tmigr_handle_remote+0x20b/0x300
[ 357.970998][ C2] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 357.971001][ C2] ? kvm_clock_get_cycles+0x18/0x30
[ 357.971006][ C2] ? ktime_get+0xb8/0x200
[ 357.971013][ C2] ? clockevents_program_event+0x1ea/0x300
[ 357.971027][ C2] handle_softirqs+0x1f6/0x5c0
[ 357.971039][ C2] __irq_exit_rcu+0xc4/0x100
[ 357.971042][ C2] irq_exit_rcu+0xe/0x20
[ 357.971045][ C2] sysvec_apic_timer_interrupt+0x78/0x90
[ 357.971050][ C2]
[ 357.971051][ C2]
[ 357.971053][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 357.971058][ C2] RIP: 0010:stack_access_ok+0x5/0x1f0
[ 357.971062][ C2] Code: 8c 00 48 8b 04 24 e9 f4 fe ff ff e8 b5 b9 8c 00 e9 bc fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 <48> b8 00 00 00 00 00 fc ff df 41 57 41 56 41 55 4c 8d 6f 08 41 54
[ 357.971065][ C2] RSP: 0018:ffffc900049f71e0 EFLAGS: 00000283
[ 357.971069][ C2] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
[ 357.971071][ C2] RDX: 0000000000000008 RSI: ffffc900049f7a68 RDI: ffffc900049f72e8
[ 357.971072][ C2] RBP: ffffc900049f7a68 R08: ffffc900049f7328 R09: 1ffff9200093ee46
[ 357.971074][ C2] R10: ffffc900049f72e8 R11: ffffc900049f7329 R12: 1ffff9200093ee46
[ 357.971076][ C2] R13: ffffc900049f72e8 R14: ffffffff9cf2b28a R15: ffffc900049f7a90
[ 357.971092][ C2] unwind_next_frame+0x1464/0x1d00
[ 357.971096][ C2] ? rawv6_send_hdrinc+0x259/0x1470
[ 357.971105][ C2] ? __pfx_unwind_next_frame+0x10/0x10
[ 357.971113][ C2] ? rawv6_send_hdrinc+0x259/0x1470
[ 357.971116][ C2] ? kernel_text_address+0x17/0xe0
[ 357.971123][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 357.971131][ C2] arch_stack_walk+0x8c/0xf0
[ 357.971143][ C2] ? rawv6_sendmsg+0x8f7/0x1840
[ 357.971151][ C2] stack_trace_save+0x94/0xd0
[ 357.971155][ C2] ? __pfx_stack_trace_save+0x10/0x10
[ 357.971167][ C2] kasan_save_stack+0x24/0x50
[ 357.971174][ C2] ? kasan_save_stack+0x24/0x50
[ 357.971176][ C2] ? kasan_save_track+0x14/0x30
[ 357.971179][ C2] ? __kasan_slab_alloc+0x59/0x70
[ 357.971182][ C2] ? kmem_cache_alloc_node_noprof+0x110/0x360
[ 357.971187][ C2] ? kmalloc_reserve+0x13e/0x240
[ 357.971192][ C2] ? __alloc_skb+0x111/0x2e0
[ 357.971196][ C2] ? alloc_skb_with_frags+0xbb/0x840
[ 357.971199][ C2] ? sock_alloc_send_pskb+0x660/0x7f0
[ 357.971203][ C2] ? rawv6_send_hdrinc+0x259/0x1470
[ 357.971210][ C2] ? stack_depot_save_flags+0x14f/0x440
[ 357.971224][ C2] ? set_track_prepare+0x40/0x70
[ 357.971230][ C2] ? kmalloc_reserve+0x13e/0x240
[ 357.971232][ C2] ? __alloc_skb+0x111/0x2e0
[ 357.971235][ C2] ? alloc_skb_with_frags+0xbb/0x840
[ 357.971238][ C2] ? sock_alloc_send_pskb+0x660/0x7f0
[ 357.971240][ C2] ? rawv6_send_hdrinc+0x259/0x1470
[ 357.971243][ C2] ? rawv6_sendmsg+0x8f7/0x1840
[ 357.971246][ C2] ? __sys_sendto+0x37a/0x450
[ 357.971251][ C2] ? __x64_sys_sendto+0xe0/0x1c0
[ 357.971254][ C2] ? do_syscall_64+0xc1/0x1d0
[ 357.971259][ C2] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 357.971267][ C2] ? ___slab_alloc+0xb05/0xee0
[ 357.971270][ C2] ? __lock_release+0x103/0x460
[ 357.971273][ C2] ? kmalloc_reserve+0x13e/0x240
[ 357.971277][ C2] ? ___slab_alloc+0x21/0xee0
[ 357.971290][ C2] kasan_save_track+0x14/0x30
[ 357.971294][ C2] __kasan_slab_alloc+0x59/0x70
[ 357.971300][ C2] kmem_cache_alloc_node_noprof+0x110/0x360
[ 357.971303][ C2] ? __create_object+0x5e/0xb0
[ 357.971314][ C2] kmalloc_reserve+0x13e/0x240
[ 357.971322][ C2] __alloc_skb+0x111/0x2e0
[ 357.971326][ C2] ? __pfx___alloc_skb+0x10/0x10
[ 357.971329][ C2] ? ipv6_dev_get_saddr+0x2b0/0xac0
[ 357.971333][ C2] ? __pfx___lock_release+0x10/0x10
[ 357.971346][ C2] alloc_skb_with_frags+0xbb/0x840
[ 357.971353][ C2] ? ipv6_dev_get_saddr+0x2ba/0xac0
[ 357.971361][ C2] sock_alloc_send_pskb+0x660/0x7f0
[ 357.971364][ C2] ? __pfx_validate_chain+0x10/0x10
[ 357.971377][ C2] ? __pfx_sock_alloc_send_pskb+0x10/0x10
[ 357.971387][ C2] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10
[ 357.971396][ C2] ? find_held_lock+0x2c/0x110
[ 357.971403][ C2] rawv6_send_hdrinc+0x259/0x1470
[ 357.971414][ C2] ? __pfx_rawv6_send_hdrinc+0x10/0x10
[ 357.971420][ C2] ? ip6_dst_hoplimit.part.0.isra.0+0xd0/0x310
[ 357.971432][ C2] rawv6_sendmsg+0x8f7/0x1840
[ 357.971440][ C2] ? trace_raw_output_lock+0x8f/0xf0
[ 357.971448][ C2] ? __pfx_rawv6_sendmsg+0x10/0x10
[ 357.971454][ C2] ? __lock_acquire+0xb9a/0x1680
[ 357.971464][ C2] ? __pfx_validate_chain+0x10/0x10
[ 357.971472][ C2] ? find_held_lock+0x2c/0x110
[ 357.971478][ C2] ? __lock_release+0x103/0x460
[ 357.971481][ C2] ? __might_fault+0x11b/0x170
[ 357.971494][ C2] ? __might_fault+0xc3/0x170
[ 357.971499][ C2] ? __might_fault+0x11b/0x170
[ 357.971508][ C2] ? __sys_sendto+0x37a/0x450
[ 357.971512][ C2] __sys_sendto+0x37a/0x450
[ 357.971518][ C2] ? __pfx___sys_sendto+0x10/0x10
[ 357.971520][ C2] ? __pfx___lock_release+0x10/0x10
[ 357.971524][ C2] ? trace_lock_acquire+0x14c/0x1f0
[ 357.971536][ C2] ? rseq_update_cpu_node_id+0xe6/0x140
[ 357.971549][ C2] ? __pfx___rseq_handle_notify_resume+0x10/0x10
[ 357.971555][ C2] ? __pfx_task_work_run+0x10/0x10
[ 357.971567][ C2] __x64_sys_sendto+0xe0/0x1c0
[ 357.971571][ C2] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 357.971576][ C2] do_syscall_64+0xc1/0x1d0
[ 357.971581][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 357.971584][ C2] RIP: 0033:0x7f30b7d7ea4a
[ 357.971590][ C2] 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
[ 357.971592][ C2] RSP: 002b:00007ffe979b92d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 357.971595][ C2] RAX: ffffffffffffffda RBX: 000000001caf1ec0 RCX: 00007f30b7d7ea4a
[ 357.971597][ C2] RDX: 0000000000000070 RSI: 000000001caf2160 RDI: 0000000000000005
[ 357.971598][ C2] RBP: 000000001caf1ec0 R08: 00007ffe979b92e0 R09: 000000000000001c
[ 357.971600][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000070
[ 357.971602][ C2] R13: 0000000000000032 R14: 0000000000000000 R15: 0000000000000000
[ 357.971618][ C2]
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr