[ 32.746990][ C2] BUG: spinlock bad magic on CPU#2, ip/294 [ 32.747219][ C2] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: ip/294, .owner_cpu: 2 [ 32.747503][ C2] CPU: 2 UID: 0 PID: 294 Comm: ip Not tainted 6.10.0-virtme #1 [ 32.747739][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 32.748074][ C2] Call Trace: [ 32.748193][ C2] [ 32.748269][ C2] dump_stack_lvl+0xb0/0xd0 [ 32.748427][ C2] do_raw_spin_unlock+0x1ac/0x220 [ 32.748581][ C2] _raw_spin_unlock+0x23/0x40 [ 32.748735][ C2] __dev_xmit_skb+0x4ed/0x10c0 [ 32.748900][ C2] ? __pfx___dev_xmit_skb+0x10/0x10 [ 32.749051][ C2] ? __dev_queue_xmit+0x1e4/0x1890 [ 32.749201][ C2] ? lock_acquire+0x32/0xc0 [ 32.749349][ C2] ? __dev_queue_xmit+0x1e4/0x1890 [ 32.749500][ C2] __dev_queue_xmit+0x784/0x1890 [ 32.749669][ C2] ? __lock_release+0x103/0x460 [ 32.749817][ C2] ? ip_finish_output2+0x616/0x18e0 [ 32.749967][ C2] ? __pfx___lock_release+0x10/0x10 [ 32.750122][ C2] ? __pfx___dev_queue_xmit+0x10/0x10 [ 32.750271][ C2] ? mark_held_locks+0x9e/0xe0 [ 32.750421][ C2] ? eth_header+0x158/0x1a0 [ 32.750572][ C2] ? neigh_resolve_output+0x409/0x7d0 [ 32.750728][ C2] ip_finish_output2+0x616/0x18e0 [ 32.750882][ C2] ? find_held_lock+0x2c/0x110 [ 32.751038][ C2] ? __pfx_ip_finish_output2+0x10/0x10 [ 32.751189][ C2] ? igmpv3_send_cr+0x583/0xb20 [ 32.751342][ C2] ? __ip_finish_output+0x10f/0x770 [ 32.751498][ C2] ip_output+0x16b/0x4f0 [ 32.751619][ C2] ? __pfx_ip_output+0x10/0x10 [ 32.751770][ C2] ? igmpv3_send_cr+0x58d/0xb20 [ 32.751920][ C2] ? ip_local_out+0x25/0x3b0 [ 32.752071][ C2] igmp_ifc_timer_expire+0x37/0x1b0 [ 32.752219][ C2] ? __pfx_igmp_ifc_timer_expire+0x10/0x10 [ 32.752403][ C2] call_timer_fn+0x13b/0x230 [ 32.752564][ C2] ? call_timer_fn+0xe8/0x230 [ 32.752735][ C2] ? call_timer_fn+0xe8/0x230 [ 32.752886][ C2] ? __pfx_call_timer_fn+0x10/0x10 [ 32.753034][ C2] ? hlock_class+0x4e/0x130 [ 32.753187][ C2] ? mark_held_locks+0x9e/0xe0 [ 32.753336][ C2] __run_timers+0x545/0x810 [ 32.753495][ C2] ? __pfx_igmp_ifc_timer_expire+0x10/0x10 [ 32.753684][ C2] ? __pfx___run_timers+0x10/0x10 [ 32.753840][ C2] ? do_raw_spin_lock+0x131/0x270 [ 32.753990][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 32.754142][ C2] ? lock_acquire+0x32/0xc0 [ 32.754287][ C2] ? run_timer_softirq+0xe0/0x1b0 [ 32.754441][ C2] run_timer_softirq+0xe8/0x1b0 [ 32.754590][ C2] handle_softirqs+0x1f9/0x5c0 [ 32.754749][ C2] irq_exit_rcu+0x99/0xc0 [ 32.754872][ C2] sysvec_apic_timer_interrupt+0x75/0x80 [ 32.755023][ C2] [ 32.755100][ C2] [ 32.755186][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 32.755375][ C2] RIP: 0010:unwind_next_frame+0x21c/0x1d00 [ 32.755567][ C2] Code: 89 fa 48 c1 ea 03 0f b6 04 02 4c 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 b0 0d 00 00 41 0f b6 46 05 83 e0 07 0f 84 8b 0a 00 00 <3c> 01 0f 84 95 01 00 00 49 8d 76 04 4c 89 f9 48 b8 00 00 00 00 00 [ 32.756112][ C2] RSP: 0018:ffffc9000066f748 EFLAGS: 00000202 [ 32.756300][ C2] RAX: 0000000000000002 RBX: 0000000000000001 RCX: dffffc0000000000 [ 32.756528][ C2] RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffffa2bd6208 [ 32.756764][ C2] RBP: ffffc9000066f8a0 R08: ffffc9000066f888 R09: 1ffff920000cdef2 [ 32.756987][ C2] R10: ffffc9000066f848 R11: ffffc9000066f889 R12: 1ffff920000cdef2 [ 32.757207][ C2] R13: ffffc9000066f848 R14: ffffffffa2efa7d6 R15: ffffffffa2efa7db [ 32.757444][ C2] ? unwind_next_frame+0x1d2/0x1d00 [ 32.757599][ C2] ? do_exit+0x689/0xcb0 [ 32.757714][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 32.757865][ C2] ? do_exit+0x689/0xcb0 [ 32.757981][ C2] ? kernel_text_address+0x17/0xe0 [ 32.758135][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 32.758330][ C2] arch_stack_walk+0x8c/0xf0 [ 32.758483][ C2] ? do_exit+0x689/0xcb0 [ 32.758608][ C2] stack_trace_save+0x94/0xd0 [ 32.758758][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 32.758908][ C2] ? __pfx_validate_chain+0x10/0x10 [ 32.759057][ C2] ? hlock_class+0x4e/0x130 [ 32.759206][ C2] ? mark_lock+0x38/0x3e0 [ 32.759318][ C2] kasan_save_stack+0x24/0x50 [ 32.759520][ C2] ? kasan_save_stack+0x24/0x50 [ 32.759679][ C2] ? __kasan_record_aux_stack+0x8e/0xa0 [ 32.759844][ C2] ? __call_rcu_common.constprop.0+0x9e/0x830 [ 32.760059][ C2] ? kmem_cache_free+0x1b8/0x240 [ 32.760222][ C2] ? __vm_area_free+0x38/0x50 [ 32.760386][ C2] ? exit_mmap+0x385/0x760 [ 32.760549][ C2] ? mmput+0xb8/0x3a0 [ 32.760676][ C2] ? exit_mm+0x146/0x1d0 [ 32.760795][ C2] ? do_exit+0x689/0xcb0 [ 32.760920][ C2] ? mark_lock+0x38/0x3e0 [ 32.761042][ C2] ? find_held_lock+0x2c/0x110 [ 32.761205][ C2] ? __lock_release+0x103/0x460 [ 32.761374][ C2] ? __virt_addr_valid+0x22b/0x430 [ 32.761539][ C2] ? __pfx___lock_release+0x10/0x10 [ 32.761697][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 32.761860][ C2] ? trace_lock_acquire+0x14d/0x1f0 [ 32.762025][ C2] ? __virt_addr_valid+0x22b/0x430 [ 32.762189][ C2] ? __virt_addr_valid+0x230/0x430 [ 32.762350][ C2] ? __pfx_free_object_rcu+0x10/0x10 [ 32.762520][ C2] __kasan_record_aux_stack+0x8e/0xa0 [ 32.762681][ C2] ? __pfx_free_object_rcu+0x10/0x10 [ 32.762845][ C2] __call_rcu_common.constprop.0+0x9e/0x830 [ 32.763045][ C2] kmem_cache_free+0x1b8/0x240 [ 32.763214][ C2] ? __vm_area_free+0x38/0x50 [ 32.763376][ C2] __vm_area_free+0x38/0x50 [ 32.763539][ C2] exit_mmap+0x385/0x760 [ 32.763660][ C2] ? __pfx_exit_mmap+0x10/0x10 [ 32.763827][ C2] ? __mutex_unlock_slowpath+0x145/0x3b0 [ 32.763995][ C2] mmput+0xb8/0x3a0 [ 32.764119][ C2] exit_mm+0x146/0x1d0 [ 32.764240][ C2] do_exit+0x689/0xcb0 [ 32.764363][ C2] ? do_raw_spin_lock+0x131/0x270 [ 32.764530][ C2] ? __pfx_do_exit+0x10/0x10 [ 32.764691][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 32.764857][ C2] do_group_exit+0xb8/0x260 [ 32.765017][ C2] __x64_sys_exit_group+0x3e/0x50 [ 32.765181][ C2] x64_sys_call+0x183a/0x1840 [ 32.765345][ C2] do_syscall_64+0xc1/0x1d0 [ 32.765508][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 32.765710][ C2] RIP: 0033:0x7f1db6534a8d [ 32.765875][ C2] Code: Unable to access opcode bytes at 0x7f1db6534a63. [ 32.766081][ C2] RSP: 002b:00007ffcd051f708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.766418][ C2] RAX: ffffffffffffffda RBX: 00007f1db66119c0 RCX: 00007f1db6534a8d [ 32.766675][ C2] RDX: 00000000000000e7 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 32.766910][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000060 [ 32.767242][ C2] R10: 00007f1db6421fa8 R11: 0000000000000246 R12: 00007f1db66119c0 [ 32.767482][ C2] R13: 0000000000000000 R14: 00007f1db6616ec8 R15: 00007f1db6616ee0 [ 32.767729][ C2] [ 32.903217][ T295] br1: port 1(veth1) entered blocking state [ 32.904103][ T295] br1: port 1(veth1) entered disabled state [ 32.904940][ T295] veth1: entered allmulticast mode [ 32.906550][ T295] veth1: entered promiscuous mode [ 33.025078][ T9] br1: port 1(veth1) entered blocking state [ 33.025318][ T9] br1: port 1(veth1) entered forwarding state [ 33.158068][ T297] br1: port 2(veth2) entered blocking state [ 33.158340][ T297] br1: port 2(veth2) entered disabled state [ 33.158570][ T297] veth2: entered allmulticast mode [ 33.160048][ T297] veth2: entered promiscuous mode [ 33.298026][ T9] br1: port 2(veth2) entered blocking state [ 33.298257][ T9] br1: port 2(veth2) entered forwarding state [ 63.658298][ T633] br1: port 2(veth2) entered disabled state [ 63.797412][ T634] veth2: left allmulticast mode [ 63.797674][ T634] veth2: left promiscuous mode [ 63.797960][ T634] br1: port 2(veth2) entered disabled state [ 63.925098][ T635] br1: port 1(veth1) entered disabled state [ 64.051193][ T636] veth1: left allmulticast mode [ 64.051371][ T636] veth1: left promiscuous mode [ 64.051644][ T636] br1: port 1(veth1) entered disabled state