[ 11.106537][ T173] sctp: Hash tables configured (bind 32/56) [ 11.106556][ T173] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.106558][ T173] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 173, name: modprobe [ 11.106560][ T173] preempt_count: 1, expected: 0 [ 11.106561][ T173] RCU nest depth: 0, expected: 0 [ 11.106562][ T173] locks held by modprobe/173: 4, last CPU#0: [ 11.106564][ T173] #0: ffffffff9736a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.106576][ T173] #1: ffffffff9736a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.106580][ T173] #2: ffffffff97289de0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.106584][ T173] #3: ffffffff97289ce0 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.106587][ T173] irq event stamp: 112350 [ 11.106588][ T173] hardirqs last enabled at (112349): [] __down_trylock_console_sem+0x86/0xa0 [ 11.106592][ T173] hardirqs last disabled at (112350): [] console_emit_next_record+0x3d4/0x4c0 [ 11.106593][ T173] softirqs last enabled at (112114): [] handle_softirqs+0x67c/0x900 [ 11.106597][ T173] softirqs last disabled at (112109): [] __irq_exit_rcu+0x145/0x1c0 [ 11.106599][ T173] Preemption disabled at: [ 11.106600][ T173] [] vprintk_emit+0x31b/0x3e0 [ 11.106606][ T173] CPU: 0 UID: 0 PID: 173 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.106610][ T173] Tainted: [W]=WARN [ 11.106610][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.106612][ T173] Call Trace: [ 11.106614][ T173] [ 11.106615][ T173] dump_stack_lvl+0x6f/0xa0 [ 11.106620][ T173] ? vprintk_emit+0x31b/0x3e0 [ 11.106622][ T173] __might_resched.cold+0x1fe/0x2c1 [ 11.106626][ T173] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.106629][ T173] ? __kmalloc_noprof+0xdb/0x760 [ 11.106635][ T173] __kmalloc_noprof+0x443/0x760 [ 11.106637][ T173] ? alloc_buf.isra.0+0x4b/0x260 [ 11.106644][ T173] ? do_raw_spin_unlock+0x59/0x250 [ 11.106646][ T173] alloc_buf.isra.0+0x4b/0x260 [ 11.106650][ T173] put_chars+0x1e1/0x2f0 [ 11.106653][ T173] ? __send_to_port+0x420/0x420 [ 11.106654][ T173] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.106658][ T173] ? rcu_read_lock_any_held+0x3c/0x90 [ 11.106661][ T173] ? validate_chain+0x38b/0xc20 [ 11.106668][ T173] hvc_console_print+0x292/0x780 [ 11.106671][ T173] ? __lock_acquire+0x518/0xc20 [ 11.106676][ T173] ? hvc_write+0x3a0/0x3a0 [ 11.106679][ T173] ? rcu_is_watching+0x16/0xd0 [ 11.106684][ T173] console_emit_next_record+0x22f/0x4c0 [ 11.106687][ T173] ? devkmsg_read+0x4b0/0x4b0 [ 11.106689][ T173] ? console_flush_one_record+0x106/0x710 [ 11.106691][ T173] ? rcu_is_watching+0x16/0xd0 [ 11.106693][ T173] ? lock_acquire+0x13c/0x160 [ 11.106697][ T173] console_flush_one_record+0x46f/0x710 [ 11.106701][ T173] ? console_emit_next_record+0x4c0/0x4c0 [ 11.106702][ T173] ? __lock_acquire+0x518/0xc20 [ 11.106708][ T173] console_unlock+0xee/0x1f0 [ 11.106710][ T173] ? console_flush_one_record+0x710/0x710 [ 11.106712][ T173] ? rcu_is_watching+0x16/0xd0 [ 11.106713][ T173] ? lock_acquire+0x60/0x160 [ 11.106717][ T173] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.106719][ T173] ? vprintk_emit+0x320/0x3e0 [ 11.106722][ T173] vprintk_emit+0x37c/0x3e0 [ 11.106726][ T173] ? wake_up_klogd_work_func+0x90/0x90 [ 11.106727][ T173] ? lockdep_hardirqs_on+0x91/0x130 [ 11.106732][ T173] ? lookup_object_or_alloc.part.0+0x580/0x580 [ 11.106739][ T173] _printk+0xc7/0x100 [ 11.106742][ T173] ? snapshot_read.cold+0x21/0x21 [ 11.106746][ T173] ? lockdep_init_map_type+0x5d/0x250 [ 11.106749][ T173] ? __rhashtable_init_noprof+0x451/0x7f0 [ 11.106754][ T173] sctp_init+0x43b/0x600 [sctp] [ 11.106769][ T173] ? sctp_exit+0x280/0x280 [sctp] [ 11.106776][ T173] do_one_initcall+0x124/0x4f0 [ 11.106780][ T173] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 11.106785][ T173] ? do_init_module+0xae/0x8a0 [ 11.106787][ T173] ? kasan_unpoison+0x44/0x70 [ 11.106792][ T173] do_init_module+0x2ad/0x8a0 [ 11.106795][ T173] ? lockdep_hardirqs_on+0x91/0x130 [ 11.106798][ T173] ? free_module+0x470/0x470 [ 11.106800][ T173] ? kfree+0x123/0x590 [ 11.106804][ T173] load_module+0x154b/0x1d60 [ 11.106811][ T173] ? layout_and_allocate.isra.0+0x680/0x680 [ 11.106816][ T173] ? backing_file_read_iter+0x541/0x790 [ 11.106819][ T173] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.106823][ T173] init_module_from_file+0x11f/0x1a0 [ 11.106825][ T173] ? __ia32_sys_init_module+0xc0/0xc0 [ 11.106833][ T173] ? __rwlock_init+0x150/0x150 [ 11.106837][ T173] ? do_raw_spin_unlock+0x59/0x250 [ 11.106840][ T173] idempotent_init_module+0x37b/0x7c0 [ 11.106843][ T173] ? init_module_from_file+0x1a0/0x1a0 [ 11.106849][ T173] ? rcu_is_watching+0x16/0xd0 [ 11.106851][ T173] ? cap_capable+0x1d7/0x3d0 [ 11.106856][ T173] __x64_sys_finit_module+0xdf/0x190 [ 11.106857][ T173] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 11.106861][ T173] do_syscall_64+0x10e/0x570 [ 11.106863][ T173] ? exc_page_fault+0xee/0x100 [ 11.106866][ T173] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.106869][ T173] RIP: 0033:0x7fd6e161637d [ 11.106872][ T173] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 11.106874][ T173] RSP: 002b:00007ffe56783268 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.106876][ T173] RAX: ffffffffffffffda RBX: 0000563f666019c0 RCX: 00007fd6e161637d [ 11.106877][ T173] RDX: 0000000000000000 RSI: 0000563f44ff1ffd RDI: 0000000000000007 [ 11.106878][ T173] RBP: 00007ffe56783300 R08: 0000000000000000 R09: 0000000000000000 [ 11.106879][ T173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563f44ff1ffd [ 11.106880][ T173] R13: 0000563f66601ae0 R14: 0000000000040000 R15: 0000000000000000 [ 11.106887][ T173] [ 11.576876][ T184] ip (184) used greatest stack depth: 23600 bytes left [ 32.372810][ C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 32.372844][ C0] [ 32.372845][ C0] ======================================================== [ 32.372846][ C0] WARNING: possible irq lock inversion dependency detected [ 32.372848][ C0] 7.2.0-virtme #1 Tainted: G W [ 32.372850][ C0] -------------------------------------------------------- [ 32.372851][ C0] connect_close/346 just changed the state of lock: [ 32.372852][ C0] ffffffff97289de0 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 32.372864][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 32.372865][ C0] (fs_reclaim){+.+.}-{0:0} [ 32.372866][ C0] [ 32.372866][ C0] [ 32.372866][ C0] and interrupts could create inverse lock ordering between them. [ 32.372866][ C0] [ 32.372867][ C0] [ 32.372867][ C0] other info that might help us debug this: [ 32.372868][ C0] Possible interrupt unsafe locking scenario: [ 32.372868][ C0] [ 32.372868][ C0] CPU0 CPU1 [ 32.372869][ C0] ---- ---- [ 32.372869][ C0] lock(fs_reclaim); [ 32.372870][ C0] local_irq_disable(); [ 32.372871][ C0] lock(console_owner); [ 32.372872][ C0] lock(fs_reclaim); [ 32.372873][ C0] [ 32.372873][ C0] lock(console_owner); [ 32.372874][ C0] [ 32.372874][ C0] *** DEADLOCK *** [ 32.372874][ C0] [ 32.372874][ C0] locks held by connect_close/346: 9, last CPU#0: [ 32.372876][ C0] #0: ff110000148fee90 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x44/0xb0 [ 32.372883][ C0] #1: ffffffff97381280 (rcu_read_lock){....}-{1:3}, at: __ip_queue_xmit+0x63/0x1650 [ 32.372887][ C0] #2: ffffffff97381280 (rcu_read_lock){....}-{1:3}, at: ip_output+0xa9/0x660 [ 32.372890][ C0] #3: ffffffff97381280 (rcu_read_lock){....}-{1:3}, at: ip_finish_output2+0x25c/0x1bc0 [ 32.372893][ C0] #4: ffffffff97381280 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 32.372898][ C0] #5: ffffffff97381280 (rcu_read_lock){....}-{1:3}, at: ip_local_deliver_finish+0x2ba/0x610 [ 32.372901][ C0] #6: ffffffff97381280 (rcu_read_lock){....}-{1:3}, at: tcp_rcv_listen_state_process+0x108/0x380 [ 32.372905][ C0] #7: ffffffff9736a440 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 32.372908][ C0] #8: ffffffff9736a4b8 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 32.372911][ C0] [ 32.372911][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 32.372916][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 32.372918][ C0] HARDIRQ-ON-W at: [ 32.372920][ C0] __lock_acquire+0x388/0xc20 [ 32.372923][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.372925][ C0] fs_reclaim_acquire+0xd5/0x120 [ 32.372928][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 32.372931][ C0] kthread_create_worker_on_node+0xea/0x210 [ 32.372934][ C0] workqueue_init+0x2a/0x680 [ 32.372938][ C0] kernel_init_freeable+0x2fe/0x630 [ 32.372941][ C0] kernel_init+0x21/0x150 [ 32.372943][ C0] ret_from_fork+0x4a4/0x720 [ 32.372946][ C0] ret_from_fork_asm+0x11/0x20 [ 32.372950][ C0] SOFTIRQ-ON-W at: [ 32.372950][ C0] __lock_acquire+0x388/0xc20 [ 32.372952][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.372954][ C0] fs_reclaim_acquire+0xd5/0x120 [ 32.372955][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 32.372956][ C0] kthread_create_worker_on_node+0xea/0x210 [ 32.372958][ C0] workqueue_init+0x2a/0x680 [ 32.372959][ C0] kernel_init_freeable+0x2fe/0x630 [ 32.372961][ C0] kernel_init+0x21/0x150 [ 32.372962][ C0] ret_from_fork+0x4a4/0x720 [ 32.372963][ C0] ret_from_fork_asm+0x11/0x20 [ 32.372965][ C0] INITIAL USE at: [ 32.372965][ C0] __lock_acquire+0x388/0xc20 [ 32.372967][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.372969][ C0] fs_reclaim_acquire+0xd5/0x120 [ 32.372970][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 32.372971][ C0] kthread_create_worker_on_node+0xea/0x210 [ 32.372973][ C0] workqueue_init+0x2a/0x680 [ 32.372974][ C0] kernel_init_freeable+0x2fe/0x630 [ 32.372976][ C0] kernel_init+0x21/0x150 [ 32.372977][ C0] ret_from_fork+0x4a4/0x720 [ 32.372978][ C0] ret_from_fork_asm+0x11/0x20 [ 32.372980][ C0] } [ 32.372980][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 32.372985][ C0] ... acquired at: [ 32.372986][ C0] __lock_acquire+0x518/0xc20 [ 32.372987][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.372989][ C0] fs_reclaim_acquire+0xd5/0x120 [ 32.372990][ C0] __kmalloc_noprof+0xd3/0x760 [ 32.372991][ C0] alloc_buf.isra.0+0x4b/0x260 [ 32.372995][ C0] put_chars+0x1e1/0x2f0 [ 32.372996][ C0] hvc_console_print+0x292/0x780 [ 32.372998][ C0] console_emit_next_record+0x22f/0x4c0 [ 32.372999][ C0] console_flush_one_record+0x46f/0x710 [ 32.373001][ C0] console_unlock+0xee/0x1f0 [ 32.373002][ C0] vprintk_emit+0x37c/0x3e0 [ 32.373003][ C0] _printk+0xc7/0x100 [ 32.373005][ C0] sched_clock_init_late+0x14c/0x170 [ 32.373007][ C0] do_one_initcall+0x124/0x4f0 [ 32.373009][ C0] kernel_init_freeable+0x596/0x630 [ 32.373010][ C0] kernel_init+0x21/0x150 [ 32.373011][ C0] ret_from_fork+0x4a4/0x720 [ 32.373012][ C0] ret_from_fork_asm+0x11/0x20 [ 32.373014][ C0] [ 32.373014][ C0] -> (console_owner){..-.}-{0:0} { [ 32.373016][ C0] IN-SOFTIRQ-W at: [ 32.373017][ C0] __lock_acquire+0x388/0xc20 [ 32.373019][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.373020][ C0] console_lock_spinning_enable+0x5c/0x60 [ 32.373021][ C0] console_emit_next_record+0x1d1/0x4c0 [ 32.373022][ C0] console_flush_one_record+0x46f/0x710 [ 32.373023][ C0] console_unlock+0xee/0x1f0 [ 32.373024][ C0] vprintk_emit+0x37c/0x3e0 [ 32.373025][ C0] _printk+0xc7/0x100 [ 32.373027][ C0] tcp_syn_flood_action.cold+0xb4/0xe5 [ 32.373030][ C0] tcp_conn_request+0x13ff/0x2c00 [ 32.373032][ C0] tcp_rcv_listen_state_process+0x1ab/0x380 [ 32.373033][ C0] tcp_v4_rcv_listen.constprop.0.isra.0+0x13f/0x4f0 [ 32.373035][ C0] tcp_v4_rcv+0x2881/0x2ef0 [ 32.373037][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 32.373038][ C0] ip_local_deliver_finish+0x36f/0x610 [ 32.373039][ C0] ip_local_deliver+0x184/0x4c0 [ 32.373040][ C0] ip_rcv+0xdc/0x3d0 [ 32.373041][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 32.373043][ C0] process_backlog+0x431/0x14c0 [ 32.373044][ C0] __napi_poll+0xa7/0x3b0 [ 32.373046][ C0] net_rx_action+0x513/0xf50 [ 32.373047][ C0] handle_softirqs+0x1d3/0x900 [ 32.373050][ C0] do_softirq+0xac/0xe0 [ 32.373051][ C0] __local_bh_enable_ip+0x118/0x150 [ 32.373053][ C0] __dev_queue_xmit+0x979/0x1b80 [ 32.373054][ C0] ip_finish_output2+0xd9b/0x1bc0 [ 32.373055][ C0] ip_output+0x1ca/0x660 [ 32.373056][ C0] __ip_queue_xmit+0x774/0x1650 [ 32.373058][ C0] __tcp_transmit_skb+0x1ad9/0x3a70 [ 32.373060][ C0] tcp_connect+0xec4/0x1880 [ 32.373061][ C0] tcp_v4_connect+0x12bd/0x1960 [ 32.373062][ C0] __inet_stream_connect+0x2ed/0xd00 [ 32.373064][ C0] inet_stream_connect+0x59/0xb0 [ 32.373066][ C0] __sys_connect+0x1c1/0x2c0 [ 32.373069][ C0] __x64_sys_connect+0x72/0xd0 [ 32.373070][ C0] do_syscall_64+0x10e/0x570 [ 32.373072][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.373074][ C0] INITIAL USE at: [ 32.373075][ C0] } [ 32.373075][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 32.373079][ C0] ... acquired at: [ 32.373079][ C0] mark_lock+0x1d7/0xa00 [ 32.373081][ C0] mark_usage+0x42/0x170 [ 32.373082][ C0] __lock_acquire+0x388/0xc20 [ 32.373084][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.373085][ C0] console_lock_spinning_enable+0x5c/0x60 [ 32.373086][ C0] console_emit_next_record+0x1d1/0x4c0 [ 32.373087][ C0] console_flush_one_record+0x46f/0x710 [ 32.373088][ C0] console_unlock+0xee/0x1f0 [ 32.373089][ C0] vprintk_emit+0x37c/0x3e0 [ 32.373090][ C0] _printk+0xc7/0x100 [ 32.373092][ C0] tcp_syn_flood_action.cold+0xb4/0xe5 [ 32.373093][ C0] tcp_conn_request+0x13ff/0x2c00 [ 32.373097][ C0] tcp_rcv_listen_state_process+0x1ab/0x380 [ 32.373099][ C0] tcp_v4_rcv_listen.constprop.0.isra.0+0x13f/0x4f0 [ 32.373100][ C0] tcp_v4_rcv+0x2881/0x2ef0 [ 32.373101][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 32.373102][ C0] ip_local_deliver_finish+0x36f/0x610 [ 32.373104][ C0] ip_local_deliver+0x184/0x4c0 [ 32.373105][ C0] ip_rcv+0xdc/0x3d0 [ 32.373106][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 32.373107][ C0] process_backlog+0x431/0x14c0 [ 32.373109][ C0] __napi_poll+0xa7/0x3b0 [ 32.373110][ C0] net_rx_action+0x513/0xf50 [ 32.373112][ C0] handle_softirqs+0x1d3/0x900 [ 32.373113][ C0] do_softirq+0xac/0xe0 [ 32.373114][ C0] __local_bh_enable_ip+0x118/0x150 [ 32.373116][ C0] __dev_queue_xmit+0x979/0x1b80 [ 32.373117][ C0] ip_finish_output2+0xd9b/0x1bc0 [ 32.373119][ C0] ip_output+0x1ca/0x660 [ 32.373120][ C0] __ip_queue_xmit+0x774/0x1650 [ 32.373121][ C0] __tcp_transmit_skb+0x1ad9/0x3a70 [ 32.373123][ C0] tcp_connect+0xec4/0x1880 [ 32.373124][ C0] tcp_v4_connect+0x12bd/0x1960 [ 32.373125][ C0] __inet_stream_connect+0x2ed/0xd00 [ 32.373127][ C0] inet_stream_connect+0x59/0xb0 [ 32.373128][ C0] __sys_connect+0x1c1/0x2c0 [ 32.373130][ C0] __x64_sys_connect+0x72/0xd0 [ 32.373131][ C0] do_syscall_64+0x10e/0x570 [ 32.373132][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.373133][ C0] [ 32.373134][ C0] [ 32.373134][ C0] stack backtrace: [ 32.373136][ C0] CPU: 0 UID: 0 PID: 346 Comm: connect_close Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.373140][ C0] Tainted: [W]=WARN [ 32.373141][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.373142][ C0] Call Trace: [ 32.373144][ C0] [ 32.373145][ C0] dump_stack_lvl+0x6f/0xa0 [ 32.373148][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 32.373151][ C0] mark_lock_irq+0x989/0x9c0 [ 32.373154][ C0] mark_lock+0x1d7/0xa00 [ 32.373156][ C0] mark_usage+0x42/0x170 [ 32.373158][ C0] __lock_acquire+0x388/0xc20 [ 32.373160][ C0] lock_acquire.part.0+0xd4/0x280 [ 32.373162][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 32.373164][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373167][ C0] ? lock_acquire+0x13c/0x160 [ 32.373169][ C0] console_lock_spinning_enable+0x5c/0x60 [ 32.373170][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 32.373171][ C0] console_emit_next_record+0x1d1/0x4c0 [ 32.373173][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 32.373174][ C0] ? console_flush_one_record+0x106/0x710 [ 32.373176][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373177][ C0] ? lock_acquire+0x13c/0x160 [ 32.373179][ C0] console_flush_one_record+0x46f/0x710 [ 32.373181][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 32.373182][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373184][ C0] console_unlock+0xee/0x1f0 [ 32.373186][ C0] ? console_flush_one_record+0x710/0x710 [ 32.373187][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373188][ C0] ? lock_acquire+0x60/0x160 [ 32.373190][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.373193][ C0] ? vprintk_emit+0x320/0x3e0 [ 32.373194][ C0] vprintk_emit+0x37c/0x3e0 [ 32.373196][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 32.373197][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 32.373200][ C0] _printk+0xc7/0x100 [ 32.373201][ C0] ? snapshot_read.cold+0x21/0x21 [ 32.373203][ C0] ? ___ratelimit+0x4e7/0xa00 [ 32.373206][ C0] ? idr_get_free+0x830/0x830 [ 32.373208][ C0] tcp_syn_flood_action.cold+0xb4/0xe5 [ 32.373210][ C0] tcp_conn_request+0x13ff/0x2c00 [ 32.373212][ C0] ? reuseport_select_sock+0x19e/0x3c0 [ 32.373215][ C0] ? reuseport_select_sock+0xe1/0x3c0 [ 32.373217][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373219][ C0] ? tcp_get_syncookie_mss+0x300/0x300 [ 32.373221][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373223][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373225][ C0] ? save_trace+0x1f7/0x280 [ 32.373227][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373229][ C0] ? lock_acquire+0x13c/0x160 [ 32.373231][ C0] ? tcp_rcv_listen_state_process+0x1ab/0x380 [ 32.373232][ C0] tcp_rcv_listen_state_process+0x1ab/0x380 [ 32.373234][ C0] tcp_v4_rcv_listen.constprop.0.isra.0+0x13f/0x4f0 [ 32.373236][ C0] ? tcp_v4_fill_cb+0x33/0x430 [ 32.373238][ C0] tcp_v4_rcv+0x2881/0x2ef0 [ 32.373240][ C0] ? mark_usage+0x61/0x170 [ 32.373242][ C0] ? tcp_add_backlog+0x1e30/0x1e30 [ 32.373244][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373245][ C0] ? ip_local_deliver_finish+0x2ba/0x610 [ 32.373247][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 32.373249][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373251][ C0] ip_local_deliver_finish+0x36f/0x610 [ 32.373252][ C0] ip_local_deliver+0x184/0x4c0 [ 32.373254][ C0] ? ip_local_deliver_finish+0x610/0x610 [ 32.373256][ C0] ? ip_protocol_deliver_rcu+0x350/0x350 [ 32.373257][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 32.373259][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373261][ C0] ip_rcv+0xdc/0x3d0 [ 32.373262][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 32.373264][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373265][ C0] ? ip_rcv_finish_core+0x14c0/0x14c0 [ 32.373267][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373268][ C0] ? perf_trace_rcu_grace_period_init+0x227/0x580 [ 32.373271][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373273][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 32.373274][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373276][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373278][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 32.373279][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373281][ C0] process_backlog+0x431/0x14c0 [ 32.373284][ C0] __napi_poll+0xa7/0x3b0 [ 32.373286][ C0] net_rx_action+0x513/0xf50 [ 32.373288][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373290][ C0] ? __napi_poll+0x3b0/0x3b0 [ 32.373293][ C0] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 32.373297][ C0] ? mark_held_locks+0x40/0x70 [ 32.373299][ C0] handle_softirqs+0x1d3/0x900 [ 32.373301][ C0] ? _local_bh_enable+0xc0/0xc0 [ 32.373303][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 32.373305][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373306][ C0] ? __dev_queue_xmit+0x964/0x1b80 [ 32.373308][ C0] do_softirq+0xac/0xe0 [ 32.373310][ C0] [ 32.373310][ C0] [ 32.373311][ C0] __local_bh_enable_ip+0x118/0x150 [ 32.373313][ C0] __dev_queue_xmit+0x979/0x1b80 [ 32.373316][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 32.373317][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373319][ C0] ? find_held_lock+0x2b/0x80 [ 32.373321][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 32.373323][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373324][ C0] ? mark_held_locks+0x40/0x70 [ 32.373326][ C0] ? __asan_memcpy+0x3c/0x60 [ 32.373328][ C0] ? neigh_hh_output+0x152/0x4c0 [ 32.373330][ C0] ip_finish_output2+0xd9b/0x1bc0 [ 32.373332][ C0] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 32.373334][ C0] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 32.373336][ C0] ip_output+0x1ca/0x660 [ 32.373338][ C0] ? ip_finish_output+0x460/0x460 [ 32.373339][ C0] ? find_held_lock+0x2b/0x80 [ 32.373341][ C0] ? __ip_finish_output+0x720/0x720 [ 32.373343][ C0] ? ip4_dst_hoplimit+0x15b/0x320 [ 32.373345][ C0] __ip_queue_xmit+0x774/0x1650 [ 32.373347][ C0] __tcp_transmit_skb+0x1ad9/0x3a70 [ 32.373350][ C0] ? tcp_call_bpf+0x201/0x2e0 [ 32.373352][ C0] ? tcp_clone_payload+0x10b0/0x10b0 [ 32.373354][ C0] ? __tcp_select_window+0xf20/0xf20 [ 32.373356][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 32.373358][ C0] ? ktime_get+0x18e/0x2d0 [ 32.373360][ C0] ? kvm_clock_get_cycles+0x19/0x30 [ 32.373362][ C0] ? ktime_get+0x1dd/0x2d0 [ 32.373364][ C0] tcp_connect+0xec4/0x1880 [ 32.373367][ C0] tcp_v4_connect+0x12bd/0x1960 [ 32.373369][ C0] ? established_get_first+0x6b0/0x6b0 [ 32.373371][ C0] ? do_raw_spin_lock+0x131/0x280 [ 32.373373][ C0] ? find_held_lock+0x2b/0x80 [ 32.373375][ C0] __inet_stream_connect+0x2ed/0xd00 [ 32.373377][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 32.373379][ C0] inet_stream_connect+0x59/0xb0 [ 32.373381][ C0] __sys_connect+0x1c1/0x2c0 [ 32.373383][ C0] ? do_fcntl+0x36f/0xc50 [ 32.373386][ C0] ? __sys_connect_file+0x250/0x250 [ 32.373389][ C0] ? fdget_raw+0x4f/0x190 [ 32.373391][ C0] __x64_sys_connect+0x72/0xd0 [ 32.373393][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 32.373395][ C0] ? do_syscall_64+0xa6/0x570 [ 32.373396][ C0] do_syscall_64+0x10e/0x570 [ 32.373397][ C0] ? exc_page_fault+0xee/0x100 [ 32.373399][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.373401][ C0] RIP: 0033:0x7fc97a71c54e [ 32.373404][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.373406][ C0] RSP: 002b:00007ffeae6c9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 32.373408][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc97a71c54e [ 32.373410][ C0] RDX: 0000000000000010 RSI: 00007ffeae6c9a20 RDI: 0000000000000005 [ 32.373411][ C0] RBP: 00007ffeae6c99a0 R08: 0000000000000000 R09: 0000000000000000 [ 32.373411][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeae6c9b98 [ 32.373412][ C0] R13: 0000000000000005 R14: 00007fc97a8ed000 R15: 0000000000402e00 [ 32.373415][ C0] [ 32.373418][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 32.373420][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 346, name: connect_close [ 32.373421][ C0] preempt_count: 302, expected: 0 [ 32.373422][ C0] RCU nest depth: 6, expected: 0 [ 32.373423][ C0] INFO: lockdep is turned off. [ 32.373423][ C0] irq event stamp: 18823 [ 32.373424][ C0] hardirqs last enabled at (18822): [] __down_trylock_console_sem+0x86/0xa0 [ 32.373427][ C0] hardirqs last disabled at (18823): [] console_emit_next_record+0x3d4/0x4c0 [ 32.373428][ C0] softirqs last enabled at (18806): [] __dev_queue_xmit+0x964/0x1b80 [ 32.373430][ C0] softirqs last disabled at (18807): [] do_softirq+0xac/0xe0 [ 32.373431][ C0] Preemption disabled at: [ 32.373432][ C0] [] __dev_queue_xmit+0x204/0x1b80 [ 32.373435][ C0] CPU: 0 UID: 0 PID: 346 Comm: connect_close Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 32.373437][ C0] Tainted: [W]=WARN [ 32.373437][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.373438][ C0] Call Trace: [ 32.373439][ C0] [ 32.373439][ C0] dump_stack_lvl+0x6f/0xa0 [ 32.373441][ C0] ? __dev_queue_xmit+0x204/0x1b80 [ 32.373443][ C0] __might_resched.cold+0x1fe/0x2c1 [ 32.373445][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 32.373448][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373449][ C0] __kmalloc_noprof+0x443/0x760 [ 32.373451][ C0] ? __rwlock_init+0x150/0x150 [ 32.373453][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 32.373455][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 32.373457][ C0] alloc_buf.isra.0+0x4b/0x260 [ 32.373459][ C0] put_chars+0x1e1/0x2f0 [ 32.373461][ C0] ? __send_to_port+0x420/0x420 [ 32.373464][ C0] hvc_console_print+0x292/0x780 [ 32.373465][ C0] ? mark_usage+0x42/0x170 [ 32.373467][ C0] ? __lock_acquire+0x388/0xc20 [ 32.373469][ C0] ? hvc_write+0x3a0/0x3a0 [ 32.373471][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373473][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373474][ C0] ? lock_acquire+0x13c/0x160 [ 32.373476][ C0] console_emit_next_record+0x22f/0x4c0 [ 32.373478][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 32.373479][ C0] ? console_flush_one_record+0x106/0x710 [ 32.373480][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373482][ C0] ? lock_acquire+0x13c/0x160 [ 32.373484][ C0] console_flush_one_record+0x46f/0x710 [ 32.373485][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 32.373487][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373489][ C0] console_unlock+0xee/0x1f0 [ 32.373490][ C0] ? console_flush_one_record+0x710/0x710 [ 32.373491][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373493][ C0] ? lock_acquire+0x60/0x160 [ 32.373495][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 32.373497][ C0] ? vprintk_emit+0x320/0x3e0 [ 32.373498][ C0] vprintk_emit+0x37c/0x3e0 [ 32.373500][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 32.373501][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 32.373503][ C0] _printk+0xc7/0x100 [ 32.373505][ C0] ? snapshot_read.cold+0x21/0x21 [ 32.373507][ C0] ? ___ratelimit+0x4e7/0xa00 [ 32.373509][ C0] ? idr_get_free+0x830/0x830 [ 32.373511][ C0] tcp_syn_flood_action.cold+0xb4/0xe5 [ 32.373513][ C0] tcp_conn_request+0x13ff/0x2c00 [ 32.373515][ C0] ? reuseport_select_sock+0x19e/0x3c0 [ 32.373517][ C0] ? reuseport_select_sock+0xe1/0x3c0 [ 32.373519][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373520][ C0] ? tcp_get_syncookie_mss+0x300/0x300 [ 32.373522][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373524][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373526][ C0] ? save_trace+0x1f7/0x280 [ 32.373529][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373530][ C0] ? lock_acquire+0x13c/0x160 [ 32.373532][ C0] ? tcp_rcv_listen_state_process+0x1ab/0x380 [ 32.373534][ C0] tcp_rcv_listen_state_process+0x1ab/0x380 [ 32.373535][ C0] tcp_v4_rcv_listen.constprop.0.isra.0+0x13f/0x4f0 [ 32.373537][ C0] ? tcp_v4_fill_cb+0x33/0x430 [ 32.373538][ C0] tcp_v4_rcv+0x2881/0x2ef0 [ 32.373541][ C0] ? mark_usage+0x61/0x170 [ 32.373542][ C0] ? tcp_add_backlog+0x1e30/0x1e30 [ 32.373544][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373546][ C0] ? ip_local_deliver_finish+0x2ba/0x610 [ 32.373548][ C0] ip_protocol_deliver_rcu+0x82/0x350 [ 32.373550][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373551][ C0] ip_local_deliver_finish+0x36f/0x610 [ 32.373553][ C0] ip_local_deliver+0x184/0x4c0 [ 32.373554][ C0] ? ip_local_deliver_finish+0x610/0x610 [ 32.373556][ C0] ? ip_protocol_deliver_rcu+0x350/0x350 [ 32.373557][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 32.373560][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373561][ C0] ip_rcv+0xdc/0x3d0 [ 32.373567][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 32.373568][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373570][ C0] ? ip_rcv_finish_core+0x14c0/0x14c0 [ 32.373571][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373573][ C0] ? perf_trace_rcu_grace_period_init+0x227/0x580 [ 32.373575][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373576][ C0] __netif_receive_skb_one_core+0xfc/0x180 [ 32.373578][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373580][ C0] ? process_backlog+0x3f1/0x14c0 [ 32.373581][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 32.373583][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373585][ C0] process_backlog+0x431/0x14c0 [ 32.373587][ C0] __napi_poll+0xa7/0x3b0 [ 32.373590][ C0] net_rx_action+0x513/0xf50 [ 32.373592][ C0] ? __lock_acquire+0x518/0xc20 [ 32.373594][ C0] ? __napi_poll+0x3b0/0x3b0 [ 32.373597][ C0] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 32.373599][ C0] ? mark_held_locks+0x40/0x70 [ 32.373601][ C0] handle_softirqs+0x1d3/0x900 [ 32.373604][ C0] ? _local_bh_enable+0xc0/0xc0 [ 32.373605][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 32.373607][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373608][ C0] ? __dev_queue_xmit+0x964/0x1b80 [ 32.373610][ C0] do_softirq+0xac/0xe0 [ 32.373612][ C0] [ 32.373612][ C0] [ 32.373613][ C0] __local_bh_enable_ip+0x118/0x150 [ 32.373615][ C0] __dev_queue_xmit+0x979/0x1b80 [ 32.373618][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 32.373619][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 32.373621][ C0] ? find_held_lock+0x2b/0x80 [ 32.373623][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 32.373624][ C0] ? rcu_is_watching+0x16/0xd0 [ 32.373626][ C0] ? mark_held_locks+0x40/0x70 [ 32.373627][ C0] ? __asan_memcpy+0x3c/0x60 [ 32.373629][ C0] ? neigh_hh_output+0x152/0x4c0 [ 32.373631][ C0] ip_finish_output2+0xd9b/0x1bc0 [ 32.373633][ C0] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 32.373634][ C0] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 32.373637][ C0] ip_output+0x1ca/0x660 [ 32.373638][ C0] ? ip_finish_output+0x460/0x460 [ 32.373640][ C0] ? find_held_lock+0x2b/0x80 [ 32.373642][ C0] ? __ip_finish_output+0x720/0x720 [ 32.373643][ C0] ? ip4_dst_hoplimit+0x15b/0x320 [ 32.373645][ C0] __ip_queue_xmit+0x774/0x1650 [ 32.373648][ C0] __tcp_transmit_skb+0x1ad9/0x3a70 [ 32.373650][ C0] ? tcp_call_bpf+0x201/0x2e0 [ 32.373652][ C0] ? tcp_clone_payload+0x10b0/0x10b0 [ 32.373654][ C0] ? __tcp_select_window+0xf20/0xf20 [ 32.373656][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 32.373658][ C0] ? ktime_get+0x18e/0x2d0 [ 32.373659][ C0] ? kvm_clock_get_cycles+0x19/0x30 [ 32.373661][ C0] ? ktime_get+0x1dd/0x2d0 [ 32.373663][ C0] tcp_connect+0xec4/0x1880 [ 32.373666][ C0] tcp_v4_connect+0x12bd/0x1960 [ 32.373668][ C0] ? established_get_first+0x6b0/0x6b0 [ 32.373669][ C0] ? do_raw_spin_lock+0x131/0x280 [ 32.373671][ C0] ? find_held_lock+0x2b/0x80 [ 32.373673][ C0] __inet_stream_connect+0x2ed/0xd00 [ 32.373675][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 32.373677][ C0] inet_stream_connect+0x59/0xb0 [ 32.373679][ C0] __sys_connect+0x1c1/0x2c0 [ 32.373681][ C0] ? do_fcntl+0x36f/0xc50 [ 32.373683][ C0] ? __sys_connect_file+0x250/0x250 [ 32.373686][ C0] ? fdget_raw+0x4f/0x190 [ 32.373687][ C0] __x64_sys_connect+0x72/0xd0 [ 32.373689][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 32.373691][ C0] ? do_syscall_64+0xa6/0x570 [ 32.373692][ C0] do_syscall_64+0x10e/0x570 [ 32.373694][ C0] ? exc_page_fault+0xee/0x100 [ 32.373696][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 32.373697][ C0] RIP: 0033:0x7fc97a71c54e [ 32.373698][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 32.373699][ C0] RSP: 002b:00007ffeae6c9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 32.373701][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc97a71c54e [ 32.373701][ C0] RDX: 0000000000000010 RSI: 00007ffeae6c9a20 RDI: 0000000000000005 [ 32.373702][ C0] RBP: 00007ffeae6c99a0 R08: 0000000000000000 R09: 0000000000000000 [ 32.373703][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeae6c9b98 [ 32.373704][ C0] R13: 0000000000000005 R14: 00007fc97a8ed000 R15: 0000000000402e00 [ 32.373706][ C0] [ 32.501089][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 32.754785][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.027642][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.346246][ C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.586540][ C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.586559][ C1] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 33.586561][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 346, name: connect_close [ 33.586562][ C1] preempt_count: 302, expected: 0 [ 33.586563][ C1] RCU nest depth: 6, expected: 0 [ 33.586564][ C1] INFO: lockdep is turned off. [ 33.586565][ C1] irq event stamp: 18823 [ 33.586571][ C1] hardirqs last enabled at (18822): [] __down_trylock_console_sem+0x86/0xa0 [ 33.586579][ C1] hardirqs last disabled at (18823): [] console_emit_next_record+0x3d4/0x4c0 [ 33.586581][ C1] softirqs last enabled at (18806): [] __dev_queue_xmit+0x964/0x1b80 [ 33.586586][ C1] softirqs last disabled at (18807): [] do_softirq+0xac/0xe0 [ 33.586589][ C1] Preemption disabled at: [ 33.586590][ C1] [] __dev_queue_xmit+0x204/0x1b80 [ 33.586596][ C1] CPU: 1 UID: 0 PID: 346 Comm: connect_close Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 33.586600][ C1] Tainted: [W]=WARN [ 33.586601][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.586603][ C1] Call Trace: [ 33.586604][ C1] [ 33.586606][ C1] dump_stack_lvl+0x6f/0xa0 [ 33.586610][ C1] ? __dev_queue_xmit+0x204/0x1b80 [ 33.586612][ C1] __might_resched.cold+0x1fe/0x2c1 [ 33.586616][ C1] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 33.586618][ C1] ? prb_next_reserve_seq+0x2d0/0x2d0 [ 33.586620][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586623][ C1] __kmalloc_noprof+0x443/0x760 [ 33.586627][ C1] ? __rwlock_init+0x150/0x150 [ 33.586630][ C1] ? alloc_buf.isra.0+0x4b/0x260 [ 33.586634][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 33.586636][ C1] alloc_buf.isra.0+0x4b/0x260 [ 33.586638][ C1] put_chars+0x1e1/0x2f0 [ 33.586640][ C1] ? prb_final_commit+0x50/0x50 [ 33.586642][ C1] ? __send_to_port+0x420/0x420 [ 33.586644][ C1] ? printk_get_next_message+0x240/0x650 [ 33.586646][ C1] hvc_console_print+0x292/0x780 [ 33.586650][ C1] ? hvc_write+0x3a0/0x3a0 [ 33.586651][ C1] ? do_raw_spin_lock+0x131/0x280 [ 33.586653][ C1] ? vsnprintf+0x668/0x1700 [ 33.586656][ C1] ? __rwlock_init+0x150/0x150 [ 33.586658][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586659][ C1] ? lock_acquire+0x13c/0x160 [ 33.586662][ C1] console_emit_next_record+0x22f/0x4c0 [ 33.586664][ C1] ? devkmsg_read+0x4b0/0x4b0 [ 33.586666][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586667][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586668][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586669][ C1] ? lock_acquire+0x13c/0x160 [ 33.586671][ C1] ? console_flush_one_record+0x111/0x710 [ 33.586672][ C1] console_flush_one_record+0x46f/0x710 [ 33.586674][ C1] ? console_emit_next_record+0x4c0/0x4c0 [ 33.586676][ C1] console_unlock+0xee/0x1f0 [ 33.586678][ C1] ? lock_acquire+0x13c/0x160 [ 33.586679][ C1] ? console_flush_one_record+0x710/0x710 [ 33.586680][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586681][ C1] ? lock_release+0x184/0x1f0 [ 33.586683][ C1] ? lock_acquire+0x60/0x160 [ 33.586685][ C1] ? __rcu_read_lock+0x30/0x70 [ 33.586686][ C1] ? __down_trylock_console_sem+0x5e/0xa0 [ 33.586688][ C1] ? vprintk_emit+0x320/0x3e0 [ 33.586690][ C1] vprintk_emit+0x37c/0x3e0 [ 33.586691][ C1] ? wake_up_klogd_work_func+0x90/0x90 [ 33.586693][ C1] ? do_raw_spin_trylock+0xb6/0x180 [ 33.586695][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586696][ C1] ? lock_acquire+0x13c/0x160 [ 33.586698][ C1] _printk+0xc7/0x100 [ 33.586701][ C1] ? snapshot_read.cold+0x21/0x21 [ 33.586703][ C1] ? ___ratelimit+0x4e7/0xa00 [ 33.586705][ C1] ? idr_get_free+0x830/0x830 [ 33.586707][ C1] tcp_syn_flood_action.cold+0xb4/0xe5 [ 33.586711][ C1] tcp_conn_request+0x13ff/0x2c00 [ 33.586714][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.586717][ C1] ? lock_acquire+0x13c/0x160 [ 33.586718][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586720][ C1] ? lock_release+0x184/0x1f0 [ 33.586721][ C1] ? reuseport_select_sock+0xe1/0x3c0 [ 33.586725][ C1] ? tcp_get_syncookie_mss+0x300/0x300 [ 33.586727][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586729][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586731][ C1] ? lock_acquire+0x13c/0x160 [ 33.586733][ C1] ? tcp_rcv_listen_state_process+0x1ab/0x380 [ 33.586734][ C1] tcp_rcv_listen_state_process+0x1ab/0x380 [ 33.586736][ C1] tcp_v4_rcv_listen.constprop.0.isra.0+0x13f/0x4f0 [ 33.586738][ C1] ? tcp_v4_fill_cb+0x33/0x430 [ 33.586740][ C1] tcp_v4_rcv+0x2881/0x2ef0 [ 33.586743][ C1] ? tcp_add_backlog+0x1e30/0x1e30 [ 33.586745][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586746][ C1] ? process_backlog+0x3f1/0x14c0 [ 33.586748][ C1] ip_protocol_deliver_rcu+0x82/0x350 [ 33.586751][ C1] ? process_backlog+0x3f1/0x14c0 [ 33.586753][ C1] ip_local_deliver_finish+0x36f/0x610 [ 33.586754][ C1] ? lock_release+0x184/0x1f0 [ 33.586756][ C1] ip_local_deliver+0x184/0x4c0 [ 33.586757][ C1] ? ip_local_deliver_finish+0x610/0x610 [ 33.586759][ C1] ? ip_protocol_deliver_rcu+0x350/0x350 [ 33.586760][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586762][ C1] ? process_backlog+0x3f1/0x14c0 [ 33.586764][ C1] ip_rcv+0xdc/0x3d0 [ 33.586765][ C1] ? ip_local_deliver+0x4c0/0x4c0 [ 33.586766][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586768][ C1] ? ip_rcv_finish_core+0x14c0/0x14c0 [ 33.586770][ C1] ? process_backlog+0x3f1/0x14c0 [ 33.586771][ C1] __netif_receive_skb_one_core+0xfc/0x180 [ 33.586773][ C1] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 33.586775][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586777][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586778][ C1] process_backlog+0x431/0x14c0 [ 33.586781][ C1] __napi_poll+0xa7/0x3b0 [ 33.586783][ C1] net_rx_action+0x513/0xf50 [ 33.586785][ C1] ? __napi_poll+0x3b0/0x3b0 [ 33.586787][ C1] ? _raw_spin_unlock_irq_enable+0x5b/0x90 [ 33.586790][ C1] ? do_raw_spin_lock+0xe0/0x280 [ 33.586792][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586793][ C1] ? timerqueue_linked_add+0x207/0x560 [ 33.586796][ C1] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 33.586799][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586801][ C1] handle_softirqs+0x1d3/0x900 [ 33.586803][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586804][ C1] ? _local_bh_enable+0xc0/0xc0 [ 33.586806][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 33.586808][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586809][ C1] ? __dev_queue_xmit+0x964/0x1b80 [ 33.586811][ C1] do_softirq+0xac/0xe0 [ 33.586812][ C1] [ 33.586813][ C1] [ 33.586814][ C1] __local_bh_enable_ip+0x118/0x150 [ 33.586816][ C1] __dev_queue_xmit+0x979/0x1b80 [ 33.586818][ C1] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 33.586821][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586822][ C1] ? lock_acquire+0x13c/0x160 [ 33.586823][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586825][ C1] ? __asan_memcpy+0x3c/0x60 [ 33.586827][ C1] ? neigh_hh_output+0x152/0x4c0 [ 33.586830][ C1] ip_finish_output2+0xd9b/0x1bc0 [ 33.586831][ C1] ? ip_dst_mtu_maybe_forward+0x7c/0x670 [ 33.586833][ C1] ? ip_dst_mtu_maybe_forward+0x261/0x670 [ 33.586835][ C1] ? ip_fragment.constprop.0+0x2c0/0x2c0 [ 33.586836][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586838][ C1] ip_output+0x1ca/0x660 [ 33.586840][ C1] ? ip_finish_output+0x460/0x460 [ 33.586841][ C1] ? lock_acquire+0x13c/0x160 [ 33.586843][ C1] ? __ip_finish_output+0x720/0x720 [ 33.586845][ C1] ? lock_acquire+0x13c/0x160 [ 33.586846][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586848][ C1] ? lock_release+0x184/0x1f0 [ 33.586850][ C1] __ip_queue_xmit+0x774/0x1650 [ 33.586852][ C1] __tcp_transmit_skb+0x1ad9/0x3a70 [ 33.586855][ C1] ? tcp_call_bpf+0x201/0x2e0 [ 33.586857][ C1] ? tcp_clone_payload+0x10b0/0x10b0 [ 33.586859][ C1] ? __tcp_select_window+0xf20/0xf20 [ 33.586861][ C1] ? trace_hardirqs_on+0x36/0x40 [ 33.586862][ C1] ? kvm_clock_get_cycles+0x19/0x30 [ 33.586864][ C1] ? ktime_get+0x1dd/0x2d0 [ 33.586867][ C1] tcp_connect+0xec4/0x1880 [ 33.586869][ C1] tcp_v4_connect+0x12bd/0x1960 [ 33.586872][ C1] ? established_get_first+0x6b0/0x6b0 [ 33.586873][ C1] ? lockdep_init_map_type+0x5d/0x250 [ 33.586875][ C1] ? do_raw_spin_lock+0x131/0x280 [ 33.586877][ C1] ? __rwlock_init+0x150/0x150 [ 33.586879][ C1] __inet_stream_connect+0x2ed/0xd00 [ 33.586882][ C1] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 33.586883][ C1] ? trace_irq_disable.constprop.0+0x9b/0x160 [ 33.586885][ C1] inet_stream_connect+0x59/0xb0 [ 33.586887][ C1] __sys_connect+0x1c1/0x2c0 [ 33.586890][ C1] ? do_fcntl+0x36f/0xc50 [ 33.586893][ C1] ? rcu_is_watching+0x16/0xd0 [ 33.586894][ C1] ? __sys_connect_file+0x250/0x250 [ 33.586897][ C1] ? fdget_raw+0x4f/0x190 [ 33.586899][ C1] __x64_sys_connect+0x72/0xd0 [ 33.586901][ C1] ? trace_hardirqs_on+0x36/0x40 [ 33.586902][ C1] do_syscall_64+0x10e/0x570 [ 33.586904][ C1] ? exc_page_fault+0xee/0x100 [ 33.586907][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.586909][ C1] RIP: 0033:0x7fc97a71c54e [ 33.586912][ C1] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 33.586914][ C1] RSP: 002b:00007ffeae6c9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002a [ 33.586917][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc97a71c54e [ 33.586919][ C1] RDX: 0000000000000010 RSI: 00007ffeae6c9a20 RDI: 0000000000000005 [ 33.586920][ C1] RBP: 00007ffeae6c99a0 R08: 0000000000000000 R09: 0000000000000000 [ 33.586920][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeae6c9b98 [ 33.586921][ C1] R13: 0000000000000005 R14: 00007fc97a8ed000 R15: 0000000000402e00 [ 33.586924][ C1] [ 33.664641][ C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.760746][ C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.830728][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 33.952472][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies. [ 86.637817][ T997] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 86.637834][ T997] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 86.637836][ T997] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 997, name: modprobe [ 86.637838][ T997] preempt_count: 1, expected: 0 [ 86.637839][ T997] RCU nest depth: 0, expected: 0 [ 86.637839][ T997] INFO: lockdep is turned off. [ 86.637841][ T997] irq event stamp: 0 [ 86.637841][ T997] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 86.637847][ T997] hardirqs last disabled at (0): [] copy_process+0x1d01/0x62c0 [ 86.637853][ T997] softirqs last enabled at (0): [] copy_process+0x1d55/0x62c0 [ 86.637855][ T997] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 86.637857][ T997] Preemption disabled at: [ 86.637857][ T997] [] vprintk_emit+0x31b/0x3e0 [ 86.637864][ T997] CPU: 3 UID: 0 PID: 997 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 86.637868][ T997] Tainted: [W]=WARN [ 86.637869][ T997] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.637871][ T997] Call Trace: [ 86.637872][ T997] [ 86.637873][ T997] dump_stack_lvl+0x6f/0xa0 [ 86.637878][ T997] ? vprintk_emit+0x31b/0x3e0 [ 86.637879][ T997] __might_resched.cold+0x1fe/0x2c1 [ 86.637883][ T997] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 86.637885][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637889][ T997] __kmalloc_noprof+0x443/0x760 [ 86.637892][ T997] ? __rwlock_init+0x150/0x150 [ 86.637895][ T997] ? alloc_buf.isra.0+0x4b/0x260 [ 86.637900][ T997] ? do_raw_spin_unlock+0x59/0x250 [ 86.637902][ T997] alloc_buf.isra.0+0x4b/0x260 [ 86.637904][ T997] put_chars+0x1e1/0x2f0 [ 86.637906][ T997] ? __send_to_port+0x420/0x420 [ 86.637908][ T997] ? console_prepend_replay+0x20/0x20 [ 86.637910][ T997] hvc_console_print+0x292/0x780 [ 86.637914][ T997] ? hvc_write+0x3a0/0x3a0 [ 86.637915][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637916][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637918][ T997] ? lock_acquire+0x13c/0x160 [ 86.637920][ T997] console_emit_next_record+0x22f/0x4c0 [ 86.637922][ T997] ? devkmsg_read+0x4b0/0x4b0 [ 86.637924][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637925][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637926][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637927][ T997] ? lock_acquire+0x13c/0x160 [ 86.637929][ T997] ? console_flush_one_record+0x111/0x710 [ 86.637930][ T997] console_flush_one_record+0x46f/0x710 [ 86.637932][ T997] ? console_emit_next_record+0x4c0/0x4c0 [ 86.637934][ T997] console_unlock+0xee/0x1f0 [ 86.637935][ T997] ? lock_acquire+0x13c/0x160 [ 86.637937][ T997] ? console_flush_one_record+0x710/0x710 [ 86.637938][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.637939][ T997] ? lock_release+0x184/0x1f0 [ 86.637941][ T997] ? lock_acquire+0x60/0x160 [ 86.637942][ T997] ? __rcu_read_lock+0x30/0x70 [ 86.637944][ T997] ? __down_trylock_console_sem+0x5e/0xa0 [ 86.637946][ T997] ? vprintk_emit+0x320/0x3e0 [ 86.637948][ T997] vprintk_emit+0x37c/0x3e0 [ 86.637950][ T997] ? wake_up_klogd_work_func+0x90/0x90 [ 86.637951][ T997] ? ww_mutex_lock+0x160/0x160 [ 86.637956][ T997] ? llc_exit+0x3e0/0x3e0 [llc] [ 86.637959][ T997] _printk+0xc7/0x100 [ 86.637962][ T997] ? snapshot_read.cold+0x21/0x21 [ 86.637964][ T997] ? __mutex_unlock_slowpath+0x5e5/0x740 [ 86.637966][ T997] ? _mutex_trylock_nest_lock+0x390/0x390 [ 86.637968][ T997] ? __mutex_unlock_slowpath+0x14d/0x740 [ 86.637970][ T997] br_init+0x98/0xc0 [bridge] [ 86.637985][ T997] do_one_initcall+0x124/0x4f0 [ 86.637987][ T997] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 86.637990][ T997] ? do_init_module+0xae/0x8a0 [ 86.637992][ T997] ? kasan_unpoison+0x44/0x70 [ 86.637995][ T997] do_init_module+0x2ad/0x8a0 [ 86.637997][ T997] ? free_module+0x470/0x470 [ 86.637999][ T997] ? kfree+0x123/0x590 [ 86.638001][ T997] load_module+0x154b/0x1d60 [ 86.638004][ T997] ? layout_and_allocate.isra.0+0x680/0x680 [ 86.638006][ T997] ? backing_file_read_iter+0x541/0x790 [ 86.638010][ T997] init_module_from_file+0x11f/0x1a0 [ 86.638011][ T997] ? __ia32_sys_init_module+0xc0/0xc0 [ 86.638013][ T997] ? ovl_mmap+0x270/0x270 [ 86.638017][ T997] ? __rwlock_init+0x150/0x150 [ 86.638019][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.638021][ T997] ? lock_release+0x184/0x1f0 [ 86.638022][ T997] ? do_raw_spin_unlock+0x59/0x250 [ 86.638024][ T997] idempotent_init_module+0x37b/0x7c0 [ 86.638026][ T997] ? init_module_from_file+0x1a0/0x1a0 [ 86.638028][ T997] ? rcu_is_watching+0x16/0xd0 [ 86.638030][ T997] ? cap_capable+0x1d7/0x3d0 [ 86.638032][ T997] __x64_sys_finit_module+0xdf/0x190 [ 86.638034][ T997] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 86.638037][ T997] do_syscall_64+0x10e/0x570 [ 86.638039][ T997] ? exc_page_fault+0xee/0x100 [ 86.638041][ T997] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 86.638044][ T997] RIP: 0033:0x7fabebd7137d [ 86.638046][ T997] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 86.638048][ T997] RSP: 002b:00007ffcf0f414c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 86.638051][ T997] RAX: ffffffffffffffda RBX: 00005638c0f11810 RCX: 00007fabebd7137d [ 86.638053][ T997] RDX: 0000000000000000 RSI: 000056388a575ffd RDI: 0000000000000002 [ 86.638053][ T997] RBP: 00007ffcf0f41560 R08: 0000000000000000 R09: 0000000000000000 [ 86.638054][ T997] R10: 0000000000000000 R11: 0000000000000246 R12: 000056388a575ffd [ 86.638055][ T997] R13: 00005638c0f119c0 R14: 0000000000040000 R15: 0000000000000000 [ 86.638058][ T997] [ 86.699666][ T1001] br0: port 1(veth0) entered blocking state [ 86.699896][ T1001] br0: port 1(veth0) entered disabled state [ 86.700114][ T1001] veth0: entered allmulticast mode [ 86.701050][ T1001] veth0: entered promiscuous mode [ 86.724956][ T1003] br0: port 2(veth1) entered blocking state [ 86.725220][ T1003] br0: port 2(veth1) entered disabled state [ 86.725480][ T1003] veth1: entered allmulticast mode [ 86.726480][ T1003] veth1: entered promiscuous mode [ 86.757556][ T1004] br0: port 2(veth1) entered blocking state [ 86.757830][ T1004] br0: port 2(veth1) entered forwarding state [ 86.758188][ T1004] br0: port 1(veth0) entered blocking state [ 86.758405][ T1004] br0: port 1(veth0) entered forwarding state [ 92.541141][ T1021] nf_queue (1021) used greatest stack depth: 23536 bytes left [ 92.541159][ T1021] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 92.541161][ T1021] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1021, name: nf_queue [ 92.541163][ T1021] preempt_count: 2, expected: 0 [ 92.541164][ T1021] RCU nest depth: 0, expected: 0 [ 92.541165][ T1021] INFO: lockdep is turned off. [ 92.541166][ T1021] irq event stamp: 0 [ 92.541167][ T1021] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 92.541172][ T1021] hardirqs last disabled at (0): [] copy_process+0x1d01/0x62c0 [ 92.541178][ T1021] softirqs last enabled at (0): [] copy_process+0x1d55/0x62c0 [ 92.541180][ T1021] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 92.541182][ T1021] Preemption disabled at: [ 92.541183][ T1021] [<0000000000000000>] 0x0 [ 92.541188][ T1021] CPU: 3 UID: 0 PID: 1021 Comm: nf_queue Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 92.541191][ T1021] Tainted: [W]=WARN [ 92.541192][ T1021] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.541194][ T1021] Call Trace: [ 92.541195][ T1021] [ 92.541197][ T1021] dump_stack_lvl+0x6f/0xa0 [ 92.541202][ T1021] __might_resched.cold+0x1fe/0x2c1 [ 92.541206][ T1021] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 92.541208][ T1021] ? rcu_is_watching+0x16/0xd0 [ 92.541212][ T1021] __kmalloc_noprof+0x443/0x760 [ 92.541215][ T1021] ? __rwlock_init+0x150/0x150 [ 92.541218][ T1021] ? alloc_buf.isra.0+0x4b/0x260 [ 92.541222][ T1021] ? do_raw_spin_unlock+0x59/0x250 [ 92.541224][ T1021] alloc_buf.isra.0+0x4b/0x260 [ 92.541226][ T1021] put_chars+0x1e1/0x2f0 [ 92.541228][ T1021] ? __send_to_port+0x420/0x420 [ 92.541230][ T1021] ? printk_get_next_message+0x240/0x650 [ 92.541232][ T1021] ? console_prepend_replay+0x20/0x20 [ 92.541234][ T1021] hvc_console_print+0x292/0x780 [ 92.541238][ T1021] ? hvc_write+0x3a0/0x3a0 [ 92.541239][ T1021] ? __rwlock_init+0x150/0x150 [ 92.541241][ T1021] ? lock_acquire+0x13c/0x160 [ 92.541244][ T1021] console_emit_next_record+0x22f/0x4c0 [ 92.541246][ T1021] ? devkmsg_read+0x4b0/0x4b0 [ 92.541247][ T1021] ? rcu_is_watching+0x16/0xd0 [ 92.541248][ T1021] ? rcu_is_watching+0x16/0xd0 [ 92.541250][ T1021] ? rcu_is_watching+0x16/0xd0 [ 92.541251][ T1021] ? lock_acquire+0x13c/0x160 [ 92.541253][ T1021] ? console_flush_one_record+0x111/0x710 [ 92.541254][ T1021] console_flush_one_record+0x46f/0x710 [ 92.541255][ T1021] ? console_emit_next_record+0x4c0/0x4c0 [ 92.541257][ T1021] console_unlock+0xee/0x1f0 [ 92.541259][ T1021] ? lock_acquire+0x13c/0x160 [ 92.541260][ T1021] ? console_flush_one_record+0x710/0x710 [ 92.541261][ T1021] ? rcu_is_watching+0x16/0xd0 [ 92.541262][ T1021] ? lock_release+0x184/0x1f0 [ 92.541264][ T1021] ? lock_acquire+0x60/0x160 [ 92.541265][ T1021] ? __rcu_read_lock+0x30/0x70 [ 92.541267][ T1021] ? __down_trylock_console_sem+0x5e/0xa0 [ 92.541269][ T1021] ? vprintk_emit+0x320/0x3e0 [ 92.541271][ T1021] vprintk_emit+0x37c/0x3e0 [ 92.541273][ T1021] ? wake_up_klogd_work_func+0x90/0x90 [ 92.541274][ T1021] ? do_raw_read_unlock+0x70/0x70 [ 92.541276][ T1021] ? forget_original_parent+0x5c/0xdb0 [ 92.541278][ T1021] _printk+0xc7/0x100 [ 92.541281][ T1021] ? snapshot_read.cold+0x21/0x21 [ 92.541283][ T1021] ? do_raw_spin_lock+0x131/0x280 [ 92.541284][ T1021] ? do_raw_spin_lock+0x131/0x280 [ 92.541286][ T1021] ? __rwlock_init+0x150/0x150 [ 92.541289][ T1021] ? do_raw_spin_lock+0x131/0x280 [ 92.541291][ T1021] do_exit.cold+0x82/0x9c [ 92.541294][ T1021] ? exit_notify+0x890/0x890 [ 92.541295][ T1021] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 92.541298][ T1021] ? rcu_is_watching+0x16/0xd0 [ 92.541299][ T1021] do_group_exit+0xb8/0x370 [ 92.541301][ T1021] __x64_sys_exit_group+0x3c/0x50 [ 92.541303][ T1021] x64_sys_call+0x1567/0x1570 [ 92.541305][ T1021] do_syscall_64+0x10e/0x570 [ 92.541309][ T1021] ? exc_page_fault+0xee/0x100 [ 92.541311][ T1021] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 92.541313][ T1021] RIP: 0033:0x7fba88c931b8 [ 92.541315][ T1021] Code: Unable to access opcode bytes at 0x7fba88c9318e. [ 92.541316][ T1021] RSP: 002b:00007fffcb0b1ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 92.541319][ T1021] RAX: ffffffffffffffda RBX: 00007fba88dc3f88 RCX: 00007fba88c931b8 [ 92.541321][ T1021] RDX: 00007fba88bd0a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 92.541322][ T1021] RBP: 00007fffcb0b1b10 R08: 0000000000000000 R09: 0000000000000000 [ 92.541322][ T1021] R10: 00007fffcb0b1950 R11: 0000000000000246 R12: 0000000000000001 [ 92.541323][ T1021] R13: 0000000000000000 R14: 00007fba88dc2680 R15: 00007fba88dc3fa0 [ 92.541325][ T1021] [ 98.394474][ T12] br0: port 1(veth0) entered disabled state [ 98.394492][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 98.394494][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 98.394496][ T12] preempt_count: 202, expected: 0 [ 98.394497][ T12] RCU nest depth: 0, expected: 0 [ 98.394498][ T12] INFO: lockdep is turned off. [ 98.394499][ T12] irq event stamp: 6208 [ 98.394500][ T12] hardirqs last enabled at (6207): [] _raw_spin_unlock_irq+0x28/0x50 [ 98.394509][ T12] hardirqs last disabled at (6208): [] __schedule+0x1246/0x20e0 [ 98.394511][ T12] softirqs last enabled at (6170): [] instance_destroy_work+0x116/0x250 [nfnetlink_queue] [ 98.394515][ T12] softirqs last disabled at (6168): [] instance_destroy_work+0x6f/0x250 [nfnetlink_queue] [ 98.394518][ T12] Preemption disabled at: [ 98.394518][ T12] [<0000000000000000>] 0x0 [ 98.394525][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 98.394528][ T12] Tainted: [W]=WARN [ 98.394529][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 98.394531][ T12] Workqueue: netns cleanup_net [ 98.394538][ T12] Call Trace: [ 98.394540][ T12] [ 98.394541][ T12] dump_stack_lvl+0x6f/0xa0 [ 98.394547][ T12] __might_resched.cold+0x1fe/0x2c1 [ 98.394551][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 98.394554][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394557][ T12] __kmalloc_noprof+0x443/0x760 [ 98.394561][ T12] ? __rwlock_init+0x150/0x150 [ 98.394564][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 98.394568][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 98.394570][ T12] alloc_buf.isra.0+0x4b/0x260 [ 98.394572][ T12] put_chars+0x1e1/0x2f0 [ 98.394574][ T12] ? __send_to_port+0x420/0x420 [ 98.394576][ T12] ? printk_get_next_message+0x240/0x650 [ 98.394578][ T12] ? console_prepend_replay+0x20/0x20 [ 98.394580][ T12] hvc_console_print+0x292/0x780 [ 98.394584][ T12] ? hvc_write+0x3a0/0x3a0 [ 98.394586][ T12] ? __rwlock_init+0x150/0x150 [ 98.394588][ T12] ? lock_acquire+0x13c/0x160 [ 98.394590][ T12] console_emit_next_record+0x22f/0x4c0 [ 98.394592][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 98.394594][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394595][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394596][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394597][ T12] ? lock_acquire+0x13c/0x160 [ 98.394599][ T12] ? console_flush_one_record+0x111/0x710 [ 98.394600][ T12] console_flush_one_record+0x46f/0x710 [ 98.394602][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 98.394604][ T12] console_unlock+0xee/0x1f0 [ 98.394605][ T12] ? lock_acquire+0x13c/0x160 [ 98.394607][ T12] ? console_flush_one_record+0x710/0x710 [ 98.394608][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394609][ T12] ? lock_release+0x184/0x1f0 [ 98.394611][ T12] ? lock_acquire+0x60/0x160 [ 98.394613][ T12] ? __rcu_read_lock+0x30/0x70 [ 98.394614][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 98.394617][ T12] ? vprintk_emit+0x320/0x3e0 [ 98.394618][ T12] vprintk_emit+0x37c/0x3e0 [ 98.394621][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 98.394623][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394624][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 98.394627][ T12] ? trace_hardirqs_on+0x36/0x40 [ 98.394629][ T12] _printk+0xc7/0x100 [ 98.394632][ T12] ? snapshot_read.cold+0x21/0x21 [ 98.394634][ T12] ? ipv6_mc_down+0x17e/0x2d0 [ 98.394638][ T12] br_set_state+0x22f/0x430 [bridge] [ 98.394651][ T12] br_stp_disable_port+0x11f/0x390 [bridge] [ 98.394659][ T12] br_device_event+0x7b5/0x8f0 [bridge] [ 98.394667][ T12] ? lock_release+0x184/0x1f0 [ 98.394669][ T12] ? _sub_I_65535_1+0x4d0/0x4d0 [stp] [ 98.394671][ T12] ? nfqnl_dev_drop+0x54/0x330 [nfnetlink_queue] [ 98.394673][ T12] ? nfqnl_dev_drop+0xf0/0x330 [nfnetlink_queue] [ 98.394675][ T12] notifier_call_chain+0xae/0x300 [ 98.394679][ T12] netif_close_many+0x366/0x770 [ 98.394682][ T12] ? trace_kfree+0xd2/0x100 [ 98.394684][ T12] ? lock_acquire+0x13c/0x160 [ 98.394686][ T12] ? __dev_close_many+0x680/0x680 [ 98.394688][ T12] ? netif_close_many_and_unlock+0x22/0x2c0 [ 98.394690][ T12] unregister_netdevice_many_notify+0x71a/0x1b40 [ 98.394693][ T12] ? ops_undo_list+0x2ce/0x8f0 [ 98.394695][ T12] ? worker_thread+0x4f1/0xd60 [ 98.394697][ T12] ? kthread+0x367/0x460 [ 98.394699][ T12] ? ret_from_fork+0x4a4/0x720 [ 98.394702][ T12] ? ret_from_fork_asm+0x11/0x20 [ 98.394705][ T12] ? unregister_netdevice_queued+0x80/0x80 [ 98.394707][ T12] ? get_rps_cpu+0x980/0x980 [ 98.394709][ T12] default_device_exit_batch+0x38b/0x600 [ 98.394712][ T12] ? generic_xdp_install+0x470/0x470 [ 98.394714][ T12] ? unregister_netdevice_queue+0x470/0x470 [ 98.394715][ T12] ? rtnl_is_locked+0x15/0x20 [ 98.394718][ T12] ? nexthop_net_exit_rtnl+0x1f/0x270 [ 98.394720][ T12] ? mutex_is_locked+0x1c/0x50 [ 98.394723][ T12] ops_undo_list+0x2ce/0x8f0 [ 98.394725][ T12] ? rtnl_net_dumpid_one+0x2d0/0x2d0 [ 98.394726][ T12] ? idr_destroy+0x121/0x250 [ 98.394729][ T12] cleanup_net+0x431/0x890 [ 98.394731][ T12] ? net_passive_dec+0x230/0x230 [ 98.394732][ T12] ? update_load_avg+0x141/0xf00 [ 98.394735][ T12] ? lock_acquire+0x13c/0x160 [ 98.394736][ T12] ? rcu_is_watching+0x16/0xd0 [ 98.394744][ T12] process_one_work+0xe3e/0x1560 [ 98.394746][ T12] ? __queue_delayed_work+0x470/0x470 [ 98.394748][ T12] ? find_held_lock+0x2b/0x80 [ 98.394750][ T12] ? __rwlock_init+0x150/0x150 [ 98.394752][ T12] worker_thread+0x4f1/0xd60 [ 98.394755][ T12] ? rescuer_thread+0x1340/0x1340 [ 98.394756][ T12] kthread+0x367/0x460 [ 98.394757][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 98.394759][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 98.394761][ T12] ret_from_fork+0x4a4/0x720 [ 98.394763][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 98.394765][ T12] ? __switch_to+0x5a3/0xe00 [ 98.394767][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 98.394769][ T12] ret_from_fork_asm+0x11/0x20 [ 98.394772][ T12] [ 98.417373][ T12] veth0 (unregistering): left allmulticast mode [ 98.417564][ T12] veth0 (unregistering): left promiscuous mode [ 98.417800][ T12] br0: port 1(veth0) entered disabled state [ 98.532417][ T12] br0: port 2(veth1) entered disabled state [ 98.534009][ T12] veth1 (unregistering): left allmulticast mode [ 98.534288][ T12] veth1 (unregistering): left promiscuous mode [ 98.534528][ T12] br0: port 2(veth1) entered disabled state