[ 119.509663][ C3]
[ 119.510151][ C3] =============================
[ 119.510441][ C3] WARNING: suspicious RCU usage
[ 119.510743][ C3] 6.13.0-virtme #1 Not tainted
[ 119.511025][ C3] -----------------------------
[ 119.511289][ C3] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 119.511750][ C3]
[ 119.511750][ C3] other info that might help us debug this:
[ 119.511750][ C3]
[ 119.512250][ C3]
[ 119.512250][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 119.512651][ C3] 1 lock held by swapper/3/0:
[ 119.512920][ C3] #0: ffffc90000290d60 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 119.513478][ C3]
[ 119.513478][ C3] stack backtrace:
[ 119.513829][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.13.0-virtme #1
[ 119.513837][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.513841][ C3] Call Trace:
[ 119.513844][ C3]
[ 119.513849][ C3] dump_stack_lvl+0xb0/0xd0
[ 119.513862][ C3] lockdep_rcu_suspicious+0x1ea/0x280
[ 119.513880][ C3] __icmp_send+0xb0d/0x1580
[ 119.513902][ C3] ? __lock_acquire+0xb9a/0x1680
[ 119.513910][ C3] ? __pfx___icmp_send+0x10/0x10
[ 119.513924][ C3] ? rcu_read_lock_any_held+0x43/0xb0
[ 119.513932][ C3] ? validate_chain+0x1fe/0xae0
[ 119.513948][ C3] ? rcu_read_lock_any_held+0x43/0xb0
[ 119.513953][ C3] ? validate_chain+0x1fe/0xae0
[ 119.513975][ C3] ? __pfx_validate_chain+0x10/0x10
[ 119.513982][ C3] ? hlock_class+0x4e/0x130
[ 119.513987][ C3] ? mark_lock+0x38/0x3e0
[ 119.514004][ C3] ? __lock_acquire+0xb9a/0x1680
[ 119.514021][ C3] ipv4_send_dest_unreach+0x3b4/0x800
[ 119.514032][ C3] ? neigh_invalidate+0x1c7/0x540
[ 119.514039][ C3] ? __pfx_ipv4_send_dest_unreach+0x10/0x10
[ 119.514063][ C3] ipv4_link_failure+0x1b/0x190
[ 119.514073][ C3] arp_error_report+0x96/0x170
[ 119.514086][ C3] neigh_invalidate+0x209/0x540
[ 119.514104][ C3] neigh_timer_handler+0x87a/0xdf0
[ 119.514122][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 119.514128][ C3] call_timer_fn+0x13b/0x230
[ 119.514133][ C3] ? call_timer_fn+0xe8/0x230
[ 119.514137][ C3] ? call_timer_fn+0xe8/0x230
[ 119.514144][ C3] ? __pfx_call_timer_fn+0x10/0x10
[ 119.514149][ C3] ? mark_lock+0x38/0x3e0
[ 119.514182][ C3] __run_timers+0x545/0x810
[ 119.514188][ C3] ? __pfx_neigh_timer_handler+0x10/0x10
[ 119.514207][ C3] ? __pfx___run_timers+0x10/0x10
[ 119.514212][ C3] ? clockevents_program_event+0xf6/0x300
[ 119.514229][ C3] ? do_raw_spin_lock+0x131/0x270
[ 119.514240][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 119.514248][ C3] ? lock_acquire+0x32/0xc0
[ 119.514252][ C3] ? run_timer_softirq+0xe6/0x1c0
[ 119.514270][ C3] run_timer_softirq+0xee/0x1c0
[ 119.514279][ C3] handle_softirqs+0x1f6/0x5c0
[ 119.514303][ C3] __irq_exit_rcu+0xc4/0x100
[ 119.514309][ C3] irq_exit_rcu+0xe/0x20
[ 119.514314][ C3] sysvec_apic_timer_interrupt+0x78/0x90
[ 119.514323][ C3]
[ 119.514325][ C3]
[ 119.514329][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 119.514338][ C3] RIP: 0010:default_idle+0xf/0x20
[ 119.514346][ 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
[ 119.514351][ C3] RSP: 0018:ffffc90000177df8 EFLAGS: 00000246
[ 119.514357][ C3] RAX: 00000000002082f9 RBX: 1ffff9200002efc1 RCX: ffffffffb0314b15
[ 119.514360][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffadb69634
[ 119.514363][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3703a
[ 119.514366][ C3] R10: ffff8880361b81d3 R11: ffff888001b3a300 R12: 0000000000000000
[ 119.514369][ C3] R13: ffff888001b3a300 R14: dffffc0000000000 R15: 0000000000000000
[ 119.514387][ C3] ? ct_kernel_exit.constprop.0+0xc5/0xf0
[ 119.514396][ C3] ? cpuidle_idle_call+0x1f4/0x280
[ 119.514411][ C3] default_idle_call+0x6d/0xb0
[ 119.514416][ C3] cpuidle_idle_call+0x1f4/0x280
[ 119.514424][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10
[ 119.514437][ C3] ? tsc_verify_tsc_adjust+0x5e/0x2b0
[ 119.514453][ C3] do_idle+0xf6/0x160
[ 119.514463][ C3] cpu_startup_entry+0x54/0x60
[ 119.514471][ C3] start_secondary+0x21e/0x2b0
[ 119.514479][ C3] ? __pfx_start_secondary+0x10/0x10
[ 119.514499][ C3] common_startup_64+0x12c/0x138
[ 119.514536][ C3]
[ 174.549653][ C1]
[ 174.549873][ C1] =============================
[ 174.550105][ C1] WARNING: suspicious RCU usage
[ 174.550333][ C1] 6.13.0-virtme #1 Not tainted
[ 174.550892][ C1] -----------------------------
[ 174.551213][ C1] ./include/net/net_namespace.h:404 suspicious rcu_dereference_check() usage!
[ 174.551596][ C1]
[ 174.551596][ C1] other info that might help us debug this:
[ 174.551596][ C1]
[ 174.552049][ C1]
[ 174.552049][ C1] rcu_scheduler_active = 2, debug_locks = 1
[ 174.552389][ C1] 1 lock held by mausezahn/1489:
[ 174.552615][ C1] #0: ffffc900001e0ae8 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230
[ 174.553041][ C1]
[ 174.553041][ C1] stack backtrace:
[ 174.553316][ C1] CPU: 1 UID: 0 PID: 1489 Comm: mausezahn Not tainted 6.13.0-virtme #1
[ 174.553321][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 174.553323][ C1] Call Trace:
[ 174.553325][ C1]
[ 174.553327][ C1] dump_stack_lvl+0xb0/0xd0
[ 174.553337][ C1] lockdep_rcu_suspicious+0x1ea/0x280
[ 174.553348][ C1] icmp6_send+0x10ab/0x1bf0
[ 174.553367][ C1] ? __pfx_icmp6_send+0x10/0x10
[ 174.553375][ C1] ? __pfx_validate_chain+0x10/0x10
[ 174.553380][ C1] ? hlock_class+0x4e/0x130
[ 174.553383][ C1] ? mark_lock+0x38/0x3e0
[ 174.553393][ C1] ? __lock_acquire+0xb9a/0x1680
[ 174.553400][ C1] ? find_held_lock+0x2c/0x110
[ 174.553406][ C1] ? __lock_release+0x103/0x460
[ 174.553409][ C1] ? neigh_invalidate+0x1c7/0x540
[ 174.553415][ C1] ? __pfx___lock_release+0x10/0x10
[ 174.553419][ C1] ? lock_acquire.part.0+0xeb/0x330
[ 174.553430][ C1] ip6_link_failure+0x30/0x430
[ 174.553438][ C1] ndisc_error_report+0x96/0x170
[ 174.553444][ C1] neigh_invalidate+0x209/0x540
[ 174.553453][ C1] neigh_timer_handler+0x87a/0xdf0
[ 174.553463][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 174.553466][ C1] call_timer_fn+0x13b/0x230
[ 174.553469][ C1] ? call_timer_fn+0xe8/0x230
[ 174.553471][ C1] ? call_timer_fn+0xe8/0x230
[ 174.553475][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 174.553478][ C1] ? mark_lock+0x38/0x3e0
[ 174.553496][ C1] __run_timers+0x545/0x810
[ 174.553499][ C1] ? __pfx_neigh_timer_handler+0x10/0x10
[ 174.553509][ C1] ? __pfx___run_timers+0x10/0x10
[ 174.553512][ C1] ? __lock_release+0x103/0x460
[ 174.553519][ C1] ? do_raw_spin_lock+0x131/0x270
[ 174.553525][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 174.553530][ C1] ? lock_acquire+0x32/0xc0
[ 174.553532][ C1] ? timer_expire_remote+0x96/0xf0
[ 174.553542][ C1] timer_expire_remote+0x9e/0xf0
[ 174.553546][ C1] tmigr_handle_remote_cpu+0x278/0x440
[ 174.553553][ C1] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10
[ 174.553556][ C1] ? __pfx___lock_release+0x10/0x10
[ 174.553559][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 174.553578][ C1] tmigr_handle_remote_up+0x1a6/0x270
[ 174.553584][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 174.553589][ C1] __walk_groups.isra.0+0x44/0x160
[ 174.553599][ C1] tmigr_handle_remote+0x20b/0x300
[ 174.553603][ C1] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 174.553606][ C1] ? kvm_clock_get_cycles+0x18/0x30
[ 174.553611][ C1] ? ktime_get+0xb8/0x200
[ 174.553618][ C1] ? clockevents_program_event+0x1ea/0x300
[ 174.553634][ C1] handle_softirqs+0x1f6/0x5c0
[ 174.553646][ C1] __irq_exit_rcu+0xc4/0x100
[ 174.553649][ C1] irq_exit_rcu+0xe/0x20
[ 174.553652][ C1] sysvec_apic_timer_interrupt+0x78/0x90
[ 174.553657][ C1]
[ 174.553658][ C1]
[ 174.553661][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 174.553665][ C1] RIP: 0010:unwind_next_frame+0x8f2/0x1d00
[ 174.553669][ C1] Code: 45 28 49 89 55 58 49 8d 75 30 48 89 c1 48 89 44 24 30 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 68 12 00 00 <49> 8b 7d 28 4c 89 f9 e8 b2 d5 42 00 48 3d a0 26 9e ad 0f 84 89 0d
[ 174.553672][ C1] RSP: 0018:ffffc90002527228 EFLAGS: 00000246
[ 174.553675][ C1] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 1ffff920004a4e6a
[ 174.553677][ C1] RDX: ffffffffafad9af0 RSI: ffffc90002527358 RDI: ffffc90002527850
[ 174.553679][ C1] RBP: ffffc90002527380 R08: ffffc90002527368 R09: 1ffff920004a4e4e
[ 174.553680][ C1] R10: ffffc90002527328 R11: ffffc90002527369 R12: 1ffff920004a4e4e
[ 174.553682][ C1] R13: ffffc90002527328 R14: ffffffffb24b0b18 R15: ffffc90002527850
[ 174.553692][ C1] ? sock_alloc_send_pskb+0x660/0x7f0
[ 174.553702][ C1] ? unwind_next_frame+0x8a8/0x1d00
[ 174.553706][ C1] ? alloc_skb_with_frags+0xbb/0x840
[ 174.553714][ C1] ? __pfx_unwind_next_frame+0x10/0x10
[ 174.553723][ C1] ? alloc_skb_with_frags+0xbb/0x840
[ 174.553725][ C1] ? kernel_text_address+0x17/0xe0
[ 174.553732][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 174.553739][ C1] arch_stack_walk+0x8c/0xf0
[ 174.553750][ C1] ? sock_alloc_send_pskb+0x660/0x7f0
[ 174.553759][ C1] stack_trace_save+0x94/0xd0
[ 174.553763][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 174.553775][ C1] kasan_save_stack+0x24/0x50
[ 174.553780][ C1] ? kasan_save_stack+0x24/0x50
[ 174.553783][ C1] ? kasan_save_track+0x14/0x30
[ 174.553786][ C1] ? __kasan_slab_alloc+0x59/0x70
[ 174.553789][ C1] ? kmem_cache_alloc_node_noprof+0x110/0x360
[ 174.553793][ C1] ? __alloc_skb+0x215/0x2e0
[ 174.553797][ C1] ? alloc_skb_with_frags+0xbb/0x840
[ 174.553799][ C1] ? rcu_read_lock_any_held+0x7e/0xb0
[ 174.553805][ C1] ? find_stack+0xbc/0x140
[ 174.553814][ C1] ? stack_depot_save_flags+0x14f/0x440
[ 174.553824][ C1] ? set_track_prepare+0x40/0x70
[ 174.553828][ C1] ? __alloc_skb+0x215/0x2e0
[ 174.553831][ C1] ? alloc_skb_with_frags+0xbb/0x840
[ 174.553833][ C1] ? sock_alloc_send_pskb+0x660/0x7f0
[ 174.553836][ C1] ? rawv6_send_hdrinc+0x259/0x1470
[ 174.553839][ C1] ? rawv6_sendmsg+0x8f7/0x1840
[ 174.553842][ C1] ? __sys_sendto+0x37a/0x450
[ 174.553847][ C1] ? __x64_sys_sendto+0xe0/0x1c0
[ 174.553850][ C1] ? do_syscall_64+0xc1/0x1d0
[ 174.553854][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.553862][ C1] ? ___slab_alloc+0xb05/0xee0
[ 174.553865][ C1] ? __lock_release+0x103/0x460
[ 174.553868][ C1] ? __alloc_skb+0x215/0x2e0
[ 174.553872][ C1] ? ___slab_alloc+0x21/0xee0
[ 174.553886][ C1] kasan_save_track+0x14/0x30
[ 174.553889][ C1] __kasan_slab_alloc+0x59/0x70
[ 174.553895][ C1] kmem_cache_alloc_node_noprof+0x110/0x360
[ 174.553906][ C1] __alloc_skb+0x215/0x2e0
[ 174.553910][ C1] ? __pfx___alloc_skb+0x10/0x10
[ 174.553913][ C1] ? ipv6_dev_get_saddr+0x2b0/0xac0
[ 174.553917][ C1] ? __pfx___lock_release+0x10/0x10
[ 174.553930][ C1] alloc_skb_with_frags+0xbb/0x840
[ 174.553937][ C1] ? ipv6_dev_get_saddr+0x2ba/0xac0
[ 174.553944][ C1] sock_alloc_send_pskb+0x660/0x7f0
[ 174.553947][ C1] ? __pfx_validate_chain+0x10/0x10
[ 174.553961][ C1] ? __pfx_sock_alloc_send_pskb+0x10/0x10
[ 174.553970][ C1] ? __pfx_xfrm_lookup_with_ifid+0x10/0x10
[ 174.553978][ C1] ? find_held_lock+0x2c/0x110
[ 174.553985][ C1] rawv6_send_hdrinc+0x259/0x1470
[ 174.553997][ C1] ? __pfx_rawv6_send_hdrinc+0x10/0x10
[ 174.554002][ C1] ? ip6_dst_hoplimit.part.0.isra.0+0xd0/0x310
[ 174.554013][ C1] rawv6_sendmsg+0x8f7/0x1840
[ 174.554022][ C1] ? trace_raw_output_lock+0x8f/0xf0
[ 174.554029][ C1] ? __pfx_rawv6_sendmsg+0x10/0x10
[ 174.554035][ C1] ? __lock_acquire+0xb9a/0x1680
[ 174.554045][ C1] ? __pfx_validate_chain+0x10/0x10
[ 174.554053][ C1] ? find_held_lock+0x2c/0x110
[ 174.554059][ C1] ? __lock_release+0x103/0x460
[ 174.554061][ C1] ? __might_fault+0x11b/0x170
[ 174.554074][ C1] ? __might_fault+0xc3/0x170
[ 174.554079][ C1] ? __might_fault+0x11b/0x170
[ 174.554088][ C1] ? __sys_sendto+0x37a/0x450
[ 174.554092][ C1] __sys_sendto+0x37a/0x450
[ 174.554097][ C1] ? __pfx___sys_sendto+0x10/0x10
[ 174.554100][ C1] ? __pfx___lock_release+0x10/0x10
[ 174.554103][ C1] ? trace_lock_acquire+0x14c/0x1f0
[ 174.554115][ C1] ? rseq_update_cpu_node_id+0xe6/0x140
[ 174.554127][ C1] ? __pfx___rseq_handle_notify_resume+0x10/0x10
[ 174.554133][ C1] ? __pfx_task_work_run+0x10/0x10
[ 174.554145][ C1] __x64_sys_sendto+0xe0/0x1c0
[ 174.554149][ C1] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 174.554154][ C1] do_syscall_64+0xc1/0x1d0
[ 174.554160][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 174.554162][ C1] RIP: 0033:0x7f532846ca4a
[ 174.554166][ 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
[ 174.554169][ C1] RSP: 002b:00007ffc0fefe3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
[ 174.554171][ C1] RAX: ffffffffffffffda RBX: 0000000036b8aec0 RCX: 00007f532846ca4a
[ 174.554173][ C1] RDX: 0000000000000070 RSI: 0000000036b8b160 RDI: 0000000000000005
[ 174.554175][ C1] RBP: 0000000036b8aec0 R08: 00007ffc0fefe3e0 R09: 000000000000001c
[ 174.554176][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000070
[ 174.554178][ C1] R13: 0000000000000032 R14: 0000000000000000 R15: 0000000000000000
[ 174.554193][ C1]
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr