[ 25.227082][ T235] ip (235) used greatest stack depth: 23200 bytes left [ 30.201152][ T292] br1: port 1(veth1) entered blocking state [ 30.201578][ T292] br1: port 1(veth1) entered disabled state [ 30.201918][ T292] veth1: entered allmulticast mode [ 30.203876][ T292] veth1: entered promiscuous mode [ 30.329691][ T49] br1: port 1(veth1) entered blocking state [ 30.330219][ T49] br1: port 1(veth1) entered forwarding state [ 30.450885][ T294] br1: port 2(veth2) entered blocking state [ 30.451145][ T294] br1: port 2(veth2) entered disabled state [ 30.451401][ T294] veth2: entered allmulticast mode [ 30.453318][ T294] veth2: entered promiscuous mode [ 30.595049][ T7] br1: port 2(veth2) entered blocking state [ 30.595312][ T7] br1: port 2(veth2) entered forwarding state [ 40.269216][ T327] GACT probability NOT on [ 45.367600][ C1] [ 45.367713][ C1] ======================================================== [ 45.367986][ C1] WARNING: possible irq lock inversion dependency detected [ 45.368242][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 45.368409][ C1] -------------------------------------------------------- [ 45.368668][ C1] tc/381 just changed the state of lock: [ 45.368841][ C1] ffff888008872c38 (&br->lock){+.-.}-{2:2}, at: br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.369270][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 45.369516][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 45.369520][ C1] [ 45.369520][ C1] [ 45.369520][ C1] and interrupts could create inverse lock ordering between them. [ 45.369520][ C1] [ 45.370131][ C1] [ 45.370131][ C1] other info that might help us debug this: [ 45.370391][ C1] Chain exists of: [ 45.370391][ C1] &br->lock --> lweventlist_lock --> &p->alloc_lock [ 45.370391][ C1] [ 45.370766][ C1] Possible interrupt unsafe locking scenario: [ 45.370766][ C1] [ 45.371009][ C1] CPU0 CPU1 [ 45.371184][ C1] ---- ---- [ 45.371351][ C1] lock(&p->alloc_lock); [ 45.371481][ C1] local_irq_disable(); [ 45.371694][ C1] lock(&br->lock); [ 45.371909][ C1] lock(lweventlist_lock); [ 45.372126][ C1] [ 45.372260][ C1] lock(&br->lock); [ 45.372404][ C1] [ 45.372404][ C1] *** DEADLOCK *** [ 45.372404][ C1] [ 45.372655][ C1] 1 lock held by tc/381: [ 45.372784][ C1] #0: ffffc900001d8d68 ((&p->forward_delay_timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 45.373135][ C1] [ 45.373135][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 45.373444][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 45.373623][ C1] HARDIRQ-ON-W at: [ 45.373760][ C1] __lock_acquire+0x797/0x1570 [ 45.373988][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.374210][ C1] _raw_spin_lock+0x30/0x40 [ 45.374433][ C1] set_mems_allowed+0x1d/0x210 [ 45.374761][ C1] kernel_init_freeable+0x72/0x310 [ 45.374983][ C1] kernel_init+0x20/0x200 [ 45.375193][ C1] ret_from_fork+0x31/0x70 [ 45.375515][ C1] ret_from_fork_asm+0x1a/0x30 [ 45.375728][ C1] SOFTIRQ-ON-W at: [ 45.375876][ C1] __lock_acquire+0x797/0x1570 [ 45.376115][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.376335][ C1] _raw_spin_lock+0x30/0x40 [ 45.376651][ C1] set_mems_allowed+0x1d/0x210 [ 45.376855][ C1] kernel_init_freeable+0x72/0x310 [ 45.377183][ C1] kernel_init+0x20/0x200 [ 45.377400][ C1] ret_from_fork+0x31/0x70 [ 45.377620][ C1] ret_from_fork_asm+0x1a/0x30 [ 45.377926][ C1] INITIAL USE at: [ 45.378079][ C1] __lock_acquire+0x797/0x1570 [ 45.378404][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.378654][ C1] _raw_spin_lock+0x30/0x40 [ 45.378984][ C1] set_mems_allowed+0x1d/0x210 [ 45.379349][ C1] kernel_init_freeable+0x72/0x310 [ 45.379569][ C1] kernel_init+0x20/0x200 [ 45.379940][ C1] ret_from_fork+0x31/0x70 [ 45.380189][ C1] ret_from_fork_asm+0x1a/0x30 [ 45.380406][ C1] } [ 45.380496][ C1] ... key at: [] __key.387+0x0/0x40 [ 45.380856][ C1] ... acquired at: [ 45.380991][ C1] __lock_acquire+0xaf0/0x1570 [ 45.381180][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.381354][ C1] _raw_spin_lock+0x30/0x40 [ 45.381520][ C1] __get_task_comm+0x27/0x70 [ 45.381905][ C1] ref_tracker_alloc+0x2ee/0x490 [ 45.382072][ C1] linkwatch_fire_event+0x196/0x200 [ 45.382248][ C1] veth_newlink+0x367/0x830 [veth] [ 45.382434][ C1] rtnl_newlink_create+0x341/0x850 [ 45.382710][ C1] __rtnl_newlink+0xac9/0xd80 [ 45.382874][ C1] rtnl_newlink+0x63/0xa0 [ 45.383056][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.383230][ C1] netlink_rcv_skb+0x130/0x360 [ 45.383504][ C1] netlink_unicast+0x449/0x710 [ 45.383682][ C1] netlink_sendmsg+0x723/0xbe0 [ 45.383854][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 45.384026][ C1] ___sys_sendmsg+0xee/0x170 [ 45.384298][ C1] __sys_sendmsg+0xcd/0x170 [ 45.384565][ C1] do_syscall_64+0xc6/0x1e0 [ 45.384741][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.384967][ C1] [ 45.385050][ C1] -> (lweventlist_lock){....}-{2:2} { [ 45.385326][ C1] INITIAL USE at: [ 45.385454][ C1] __lock_acquire+0x797/0x1570 [ 45.385673][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.385890][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 45.386205][ C1] linkwatch_sync_dev+0x29/0x1f0 [ 45.386416][ C1] rtnl_getlink+0x4c9/0x970 [ 45.386649][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.387067][ C1] netlink_rcv_skb+0x130/0x360 [ 45.387286][ C1] netlink_unicast+0x449/0x710 [ 45.387525][ C1] netlink_sendmsg+0x723/0xbe0 [ 45.387737][ C1] __sys_sendto+0x37d/0x410 [ 45.388055][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 45.388274][ C1] do_syscall_64+0xc6/0x1e0 [ 45.388484][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.388841][ C1] } [ 45.388929][ C1] ... key at: [] lweventlist_lock+0x18/0x60 [ 45.389211][ C1] ... acquired at: [ 45.389337][ C1] __lock_acquire+0xaf0/0x1570 [ 45.389614][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.389785][ C1] _raw_spin_lock_irqsave+0x3f/0x60 [ 45.389954][ C1] linkwatch_fire_event+0x74/0x200 [ 45.390127][ C1] br_stp_change_bridge_id+0x25f/0x360 [bridge] [ 45.390470][ C1] br_set_mac_address+0x1f3/0x260 [bridge] [ 45.390814][ C1] dev_set_mac_address+0x28a/0x410 [ 45.390980][ C1] dev_set_mac_address_user+0x31/0x50 [ 45.391147][ C1] do_setlink+0x17b4/0x21e0 [ 45.391425][ C1] rtnl_setlink+0x1f7/0x310 [ 45.391600][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.391766][ C1] netlink_rcv_skb+0x130/0x360 [ 45.392031][ C1] netlink_unicast+0x449/0x710 [ 45.392301][ C1] netlink_sendmsg+0x723/0xbe0 [ 45.392503][ C1] __sys_sendto+0x37d/0x410 [ 45.392711][ C1] __x64_sys_sendto+0xe0/0x1c0 [ 45.392882][ C1] do_syscall_64+0xc6/0x1e0 [ 45.393051][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.393366][ C1] [ 45.393448][ C1] -> (&br->lock){+.-.}-{2:2} { [ 45.393625][ C1] HARDIRQ-ON-W at: [ 45.393759][ C1] __lock_acquire+0x797/0x1570 [ 45.394119][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.394331][ C1] _raw_spin_lock_bh+0x38/0x50 [ 45.394652][ C1] recalculate_group_addr+0x55/0x130 [bridge] [ 45.394953][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 45.395368][ C1] br_changelink+0x36c/0x1360 [bridge] [ 45.395628][ C1] br_dev_newlink+0xa5/0x100 [bridge] [ 45.395886][ C1] rtnl_newlink_create+0x341/0x850 [ 45.396207][ C1] __rtnl_newlink+0xac9/0xd80 [ 45.396423][ C1] rtnl_newlink+0x63/0xa0 [ 45.396626][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.396953][ C1] netlink_rcv_skb+0x130/0x360 [ 45.397161][ C1] netlink_unicast+0x449/0x710 [ 45.397464][ C1] netlink_sendmsg+0x723/0xbe0 [ 45.397681][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 45.397888][ C1] ___sys_sendmsg+0xee/0x170 [ 45.398209][ C1] __sys_sendmsg+0xcd/0x170 [ 45.398424][ C1] do_syscall_64+0xc6/0x1e0 [ 45.398643][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.398988][ C1] IN-SOFTIRQ-W at: [ 45.399112][ C1] __lock_acquire+0x797/0x1570 [ 45.399324][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.399648][ C1] _raw_spin_lock+0x30/0x40 [ 45.399858][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.400164][ C1] call_timer_fn+0x13b/0x230 [ 45.400376][ C1] __run_timers+0x545/0x810 [ 45.400611][ C1] run_timer_softirq+0xe8/0x1b0 [ 45.400831][ C1] __do_softirq+0x1f8/0x5df [ 45.401155][ C1] irq_exit_rcu+0x97/0xc0 [ 45.401370][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 45.401635][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 45.401993][ C1] orc_find.part.0+0xb/0x370 [ 45.402215][ C1] unwind_next_frame+0x1d2/0x1d00 [ 45.402441][ C1] arch_stack_walk+0x8c/0xf0 [ 45.402775][ C1] stack_trace_save+0x94/0xd0 [ 45.402994][ C1] kasan_save_stack+0x24/0x50 [ 45.403216][ C1] kasan_save_track+0x14/0x30 [ 45.403431][ C1] kasan_save_free_info+0x3b/0x60 [ 45.403751][ C1] __kasan_slab_free+0xf4/0x180 [ 45.403961][ C1] kfree+0xd3/0x230 [ 45.404132][ C1] p9_client_clunk+0x98/0xe0 [ 45.404449][ C1] v9fs_dir_release+0x25f/0x320 [ 45.404762][ C1] __fput+0x1fc/0xa80 [ 45.404935][ C1] task_work_run+0x132/0x220 [ 45.405348][ C1] do_exit+0x774/0xcf0 [ 45.405622][ C1] do_group_exit+0xb8/0x260 [ 45.405932][ C1] __x64_sys_exit_group+0x3e/0x50 [ 45.406146][ C1] do_syscall_64+0xc6/0x1e0 [ 45.406356][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.406721][ C1] INITIAL USE at: [ 45.406846][ C1] __lock_acquire+0x797/0x1570 [ 45.407165][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.407382][ C1] _raw_spin_lock_bh+0x38/0x50 [ 45.407587][ C1] recalculate_group_addr+0x55/0x130 [bridge] [ 45.407878][ C1] br_vlan_filter_toggle+0x77/0x130 [bridge] [ 45.408285][ C1] br_changelink+0x36c/0x1360 [bridge] [ 45.408538][ C1] br_dev_newlink+0xa5/0x100 [bridge] [ 45.408790][ C1] rtnl_newlink_create+0x341/0x850 [ 45.409008][ C1] __rtnl_newlink+0xac9/0xd80 [ 45.409322][ C1] rtnl_newlink+0x63/0xa0 [ 45.409545][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 45.409758][ C1] netlink_rcv_skb+0x130/0x360 [ 45.410072][ C1] netlink_unicast+0x449/0x710 [ 45.410287][ C1] netlink_sendmsg+0x723/0xbe0 [ 45.410505][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 45.410813][ C1] ___sys_sendmsg+0xee/0x170 [ 45.411032][ C1] __sys_sendmsg+0xcd/0x170 [ 45.411249][ C1] do_syscall_64+0xc6/0x1e0 [ 45.411481][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.411841][ C1] } [ 45.411925][ C1] ... key at: [] __key.6+0x0/0xfffffffffffe5ac0 [bridge] [ 45.412253][ C1] ... acquired at: [ 45.412397][ C1] mark_lock+0x28d/0x3e0 [ 45.412573][ C1] mark_usage+0xd9/0x2a0 [ 45.412737][ C1] __lock_acquire+0x797/0x1570 [ 45.412909][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.413076][ C1] _raw_spin_lock+0x30/0x40 [ 45.413356][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.413598][ C1] call_timer_fn+0x13b/0x230 [ 45.413761][ C1] __run_timers+0x545/0x810 [ 45.413927][ C1] run_timer_softirq+0xe8/0x1b0 [ 45.414183][ C1] __do_softirq+0x1f8/0x5df [ 45.414347][ C1] irq_exit_rcu+0x97/0xc0 [ 45.414518][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 45.414737][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 45.415046][ C1] orc_find.part.0+0xb/0x370 [ 45.415212][ C1] unwind_next_frame+0x1d2/0x1d00 [ 45.415374][ C1] arch_stack_walk+0x8c/0xf0 [ 45.415660][ C1] stack_trace_save+0x94/0xd0 [ 45.415922][ C1] kasan_save_stack+0x24/0x50 [ 45.416090][ C1] kasan_save_track+0x14/0x30 [ 45.416261][ C1] kasan_save_free_info+0x3b/0x60 [ 45.416429][ C1] __kasan_slab_free+0xf4/0x180 [ 45.416715][ C1] kfree+0xd3/0x230 [ 45.416844][ C1] p9_client_clunk+0x98/0xe0 [ 45.417015][ C1] v9fs_dir_release+0x25f/0x320 [ 45.417185][ C1] __fput+0x1fc/0xa80 [ 45.417314][ C1] task_work_run+0x132/0x220 [ 45.417691][ C1] do_exit+0x774/0xcf0 [ 45.417815][ C1] do_group_exit+0xb8/0x260 [ 45.417989][ C1] __x64_sys_exit_group+0x3e/0x50 [ 45.418160][ C1] do_syscall_64+0xc6/0x1e0 [ 45.418340][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.418547][ C1] [ 45.418631][ C1] [ 45.418631][ C1] stack backtrace: [ 45.418841][ C1] CPU: 1 PID: 381 Comm: tc Not tainted 6.9.0-rc1-virtme #1 [ 45.419102][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 45.419485][ C1] Call Trace: [ 45.419646][ C1] [ 45.419743][ C1] dump_stack_lvl+0x82/0xd0 [ 45.420026][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 45.420236][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 45.420459][ C1] ? __pfx_usage_skip+0x10/0x10 [ 45.420624][ C1] ? __pfx_usage_match+0x10/0x10 [ 45.420889][ C1] ? arch_stack_walk+0xa2/0xf0 [ 45.421058][ C1] mark_lock_irq+0x4cd/0xa10 [ 45.421225][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 45.421403][ C1] ? stack_trace_save+0x94/0xd0 [ 45.421679][ C1] ? add_chain_cache+0x248/0x8b0 [ 45.421843][ C1] ? save_trace+0x8f/0x5b0 [ 45.422018][ C1] mark_lock+0x28d/0x3e0 [ 45.422143][ C1] mark_usage+0xd9/0x2a0 [ 45.422267][ C1] __lock_acquire+0x797/0x1570 [ 45.422445][ C1] ? __lock_acquire+0xaf0/0x1570 [ 45.422620][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 45.422915][ C1] lock_acquire.part.0+0xeb/0x330 [ 45.423086][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.423326][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 45.423495][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 45.423679][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.424030][ C1] ? lock_acquire+0x32/0xc0 [ 45.424210][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.424461][ C1] _raw_spin_lock+0x30/0x40 [ 45.424628][ C1] ? br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.424983][ C1] br_forward_delay_timer_expired+0x48/0x440 [bridge] [ 45.425240][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 45.425535][ C1] call_timer_fn+0x13b/0x230 [ 45.425809][ C1] ? call_timer_fn+0xe8/0x230 [ 45.425983][ C1] ? call_timer_fn+0xe8/0x230 [ 45.426163][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 45.426354][ C1] ? mark_lock+0x38/0x3e0 [ 45.426483][ C1] __run_timers+0x545/0x810 [ 45.426756][ C1] ? __pfx_br_forward_delay_timer_expired+0x10/0x10 [bridge] [ 45.427054][ C1] ? __pfx___run_timers+0x10/0x10 [ 45.427222][ C1] ? do_raw_spin_lock+0x131/0x270 [ 45.427394][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 45.427682][ C1] ? lock_acquire+0x32/0xc0 [ 45.427854][ C1] ? run_timer_softirq+0xe0/0x1b0 [ 45.428027][ C1] run_timer_softirq+0xe8/0x1b0 [ 45.428199][ C1] __do_softirq+0x1f8/0x5df [ 45.428380][ C1] irq_exit_rcu+0x97/0xc0 [ 45.428508][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 45.428686][ C1] [ 45.428778][ C1] [ 45.428862][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 45.429070][ C1] RIP: 0010:orc_find.part.0+0xb/0x370 [ 45.429252][ C1] Code: 84 00 eb c0 48 89 ef e8 83 1f 84 00 eb da 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 41 56 41 55 41 54 <49> 89 fc 55 53 48 bb 00 00 00 00 00 fc ff df 48 83 ec 10 49 81 fc [ 45.429979][ C1] RSP: 0018:ffffc9000068f790 EFLAGS: 00000282 [ 45.430186][ C1] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90000690001 [ 45.430435][ C1] RDX: 1ffff920000d1f21 RSI: ffffffffb8600126 RDI: ffffffffb8600125 [ 45.430889][ C1] RBP: ffffc9000068f908 R08: ffffc9000068f8f0 R09: 1ffff920000d1eff [ 45.431136][ C1] R10: ffffc9000068f8b0 R11: ffffc9000068f8f1 R12: 1ffff920000d1eff [ 45.431395][ C1] R13: ffffc9000068f8b0 R14: 0000000000000000 R15: 0000000000000000 [ 45.431762][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.431967][ C1] ? entry_SYSCALL_64_after_hwframe+0x6c/0x75 [ 45.432176][ C1] unwind_next_frame+0x1d2/0x1d00 [ 45.432351][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.432557][ C1] ? is_bpf_text_address+0x6c/0x120 [ 45.432734][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 45.432907][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.433115][ C1] ? kernel_text_address+0x17/0xe0 [ 45.433295][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 45.433502][ C1] arch_stack_walk+0x8c/0xf0 [ 45.433679][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.433991][ C1] stack_trace_save+0x94/0xd0 [ 45.434161][ C1] ? __pfx_stack_trace_save+0x10/0x10 [ 45.434333][ C1] kasan_save_stack+0x24/0x50 [ 45.434498][ C1] ? kasan_save_stack+0x24/0x50 [ 45.434761][ C1] ? kasan_save_track+0x14/0x30 [ 45.434930][ C1] ? kasan_save_free_info+0x3b/0x60 [ 45.435114][ C1] ? __kasan_slab_free+0xf4/0x180 [ 45.435286][ C1] ? kfree+0xd3/0x230 [ 45.435422][ C1] ? p9_client_clunk+0x98/0xe0 [ 45.435712][ C1] ? v9fs_dir_release+0x25f/0x320 [ 45.435887][ C1] ? __fput+0x1fc/0xa80 [ 45.436020][ C1] ? task_work_run+0x132/0x220 [ 45.436194][ C1] ? do_exit+0x774/0xcf0 [ 45.436319][ C1] ? do_group_exit+0xb8/0x260 [ 45.436492][ C1] ? __x64_sys_exit_group+0x3e/0x50 [ 45.436662][ C1] ? do_syscall_64+0xc6/0x1e0 [ 45.436845][ C1] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.437058][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 45.437224][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 45.437436][ C1] ? __debug_check_no_obj_freed+0x253/0x520 [ 45.437650][ C1] ? __pfx___debug_check_no_obj_freed+0x10/0x10 [ 45.437953][ C1] ? __virt_addr_valid+0x227/0x420 [ 45.438119][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 45.438337][ C1] ? p9_client_clunk+0x98/0xe0 [ 45.438505][ C1] kasan_save_track+0x14/0x30 [ 45.438765][ C1] kasan_save_free_info+0x3b/0x60 [ 45.438926][ C1] __kasan_slab_free+0xf4/0x180 [ 45.439090][ C1] kfree+0xd3/0x230 [ 45.439216][ C1] ? p9_client_clunk+0x98/0xe0 [ 45.439480][ C1] p9_client_clunk+0x98/0xe0 [ 45.439653][ C1] v9fs_dir_release+0x25f/0x320 [ 45.439828][ C1] __fput+0x1fc/0xa80 [ 45.439960][ C1] task_work_run+0x132/0x220 [ 45.440125][ C1] ? __pfx_task_work_run+0x10/0x10 [ 45.440384][ C1] ? switch_task_namespaces+0x6e/0xd0 [ 45.440547][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 45.440726][ C1] do_exit+0x774/0xcf0 [ 45.440859][ C1] ? do_raw_spin_lock+0x131/0x270 [ 45.441124][ C1] ? __pfx_do_exit+0x10/0x10 [ 45.441294][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 45.441473][ C1] do_group_exit+0xb8/0x260 [ 45.441649][ C1] __x64_sys_exit_group+0x3e/0x50 [ 45.441821][ C1] do_syscall_64+0xc6/0x1e0 [ 45.442090][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 45.442298][ C1] RIP: 0033:0x7f848f79ba8d [ 45.442513][ C1] Code: Unable to access opcode bytes at 0x7f848f79ba63. [ 45.442836][ C1] RSP: 002b:00007ffc37ea7058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 45.443105][ C1] RAX: ffffffffffffffda RBX: 00007f848f8789c0 RCX: 00007f848f79ba8d [ 45.443369][ C1] RDX: 00000000000000e7 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 45.443830][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000060 [ 45.444079][ C1] R10: 00007ffc37ea6e80 R11: 0000000000000246 R12: 00007f848f8789c0 [ 45.444348][ C1] R13: 0000000000000000 R14: 00007f848f87dec8 R15: 00007f848f87dee0 [ 45.444728][ C1] [ 139.238547][ T1618] br1: port 2(veth2) entered disabled state [ 139.365864][ T1620] veth2: left allmulticast mode [ 139.366043][ T1620] veth2: left promiscuous mode [ 139.366356][ T1620] br1: port 2(veth2) entered disabled state [ 139.487091][ T1621] br1: port 1(veth1) entered disabled state [ 139.590067][ T1622] veth1: left allmulticast mode [ 139.590271][ T1622] veth1: left promiscuous mode [ 139.590548][ T1622] br1: port 1(veth1) entered disabled state