[ 17.712044][ C3] IPv4: Oversized IP packet from 172.17.0.2 [ 17.712082][ C3] [ 17.712084][ C3] ======================================================== [ 17.712085][ C3] WARNING: possible irq lock inversion dependency detected [ 17.712087][ C3] 7.2.0-virtme #1 Tainted: G W [ 17.712088][ C3] -------------------------------------------------------- [ 17.712089][ C3] psock_snd/378 just changed the state of lock: [ 17.712090][ C3] ffffffffa569d760 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.712102][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 17.712103][ C3] (fs_reclaim){+.+.}-{0:0} [ 17.712104][ C3] [ 17.712104][ C3] [ 17.712104][ C3] and interrupts could create inverse lock ordering between them. [ 17.712104][ C3] [ 17.712104][ C3] [ 17.712104][ C3] other info that might help us debug this: [ 17.712105][ C3] Possible interrupt unsafe locking scenario: [ 17.712105][ C3] [ 17.712106][ C3] CPU0 CPU1 [ 17.712106][ C3] ---- ---- [ 17.712107][ C3] lock(fs_reclaim); [ 17.712108][ C3] local_irq_disable(); [ 17.712108][ C3] lock(console_owner); [ 17.712109][ C3] lock(fs_reclaim); [ 17.712110][ C3] [ 17.712110][ C3] lock(console_owner); [ 17.712111][ C3] [ 17.712111][ C3] *** DEADLOCK *** [ 17.712111][ C3] [ 17.712111][ C3] locks held by psock_snd/378: 5, last CPU#3: [ 17.712112][ C3] #0: ffffffffa5794c00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 17.712119][ C3] #1: ffffffffa5794c00 (rcu_read_lock){....}-{1:3}, at: ip_defrag+0xcd/0x7a0 [ 17.712123][ C3] #2: ff1100001084c3e8 (&q->lock){+.-.}-{3:3}, at: ip_defrag+0x2c4/0x7a0 [ 17.712125][ C3] #3: ffffffffa577ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.712128][ C3] #4: ffffffffa577de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.712131][ C3] [ 17.712131][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 17.712135][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 17.712137][ C3] HARDIRQ-ON-W at: [ 17.712139][ C3] __lock_acquire+0x388/0xc20 [ 17.712142][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712143][ C3] fs_reclaim_acquire+0xd5/0x120 [ 17.712147][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 17.712148][ C3] kthread_create_worker_on_node+0xea/0x210 [ 17.712151][ C3] workqueue_init+0x2a/0x680 [ 17.712155][ C3] kernel_init_freeable+0x2fe/0x630 [ 17.712158][ C3] kernel_init+0x21/0x150 [ 17.712162][ C3] ret_from_fork+0x474/0x6b0 [ 17.712165][ C3] ret_from_fork_asm+0x11/0x20 [ 17.712168][ C3] SOFTIRQ-ON-W at: [ 17.712169][ C3] __lock_acquire+0x388/0xc20 [ 17.712170][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712172][ C3] fs_reclaim_acquire+0xd5/0x120 [ 17.712173][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 17.712174][ C3] kthread_create_worker_on_node+0xea/0x210 [ 17.712176][ C3] workqueue_init+0x2a/0x680 [ 17.712177][ C3] kernel_init_freeable+0x2fe/0x630 [ 17.712179][ C3] kernel_init+0x21/0x150 [ 17.712180][ C3] ret_from_fork+0x474/0x6b0 [ 17.712181][ C3] ret_from_fork_asm+0x11/0x20 [ 17.712183][ C3] INITIAL USE at: [ 17.712183][ C3] __lock_acquire+0x388/0xc20 [ 17.712185][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712186][ C3] fs_reclaim_acquire+0xd5/0x120 [ 17.712187][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 17.712188][ C3] kthread_create_worker_on_node+0xea/0x210 [ 17.712190][ C3] workqueue_init+0x2a/0x680 [ 17.712191][ C3] kernel_init_freeable+0x2fe/0x630 [ 17.712193][ C3] kernel_init+0x21/0x150 [ 17.712194][ C3] ret_from_fork+0x474/0x6b0 [ 17.712195][ C3] ret_from_fork_asm+0x11/0x20 [ 17.712197][ C3] } [ 17.712197][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 17.712201][ C3] ... acquired at: [ 17.712202][ C3] __lock_acquire+0x518/0xc20 [ 17.712203][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712204][ C3] fs_reclaim_acquire+0xd5/0x120 [ 17.712206][ C3] __kmalloc_noprof+0xd3/0x760 [ 17.712207][ C3] alloc_buf.isra.0+0x4b/0x260 [ 17.712211][ C3] put_chars+0x1e1/0x2f0 [ 17.712212][ C3] hvc_console_print+0x292/0x780 [ 17.712215][ C3] console_emit_next_record+0x22f/0x4c0 [ 17.712216][ C3] console_flush_one_record+0x46f/0x710 [ 17.712218][ C3] console_unlock+0xee/0x1f0 [ 17.712219][ C3] vprintk_emit+0x37c/0x3e0 [ 17.712220][ C3] _printk+0xc7/0x100 [ 17.712223][ C3] tun_init+0x24/0xb0 [ 17.712226][ C3] do_one_initcall+0x124/0x4f0 [ 17.712227][ C3] kernel_init_freeable+0x596/0x630 [ 17.712228][ C3] kernel_init+0x21/0x150 [ 17.712230][ C3] ret_from_fork+0x474/0x6b0 [ 17.712231][ C3] ret_from_fork_asm+0x11/0x20 [ 17.712232][ C3] [ 17.712232][ C3] -> (console_owner){..-.}-{0:0} { [ 17.712234][ C3] IN-SOFTIRQ-W at: [ 17.712235][ C3] __lock_acquire+0x388/0xc20 [ 17.712236][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712237][ C3] console_lock_spinning_enable+0x5c/0x60 [ 17.712239][ C3] console_emit_next_record+0x1d1/0x4c0 [ 17.712241][ C3] console_flush_one_record+0x46f/0x710 [ 17.712242][ C3] console_unlock+0xee/0x1f0 [ 17.712244][ C3] vprintk_emit+0x37c/0x3e0 [ 17.712245][ C3] _printk+0xc7/0x100 [ 17.712246][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 17.712248][ C3] ip_frag_queue+0xeb5/0x1830 [ 17.712249][ C3] ip_defrag+0x2d4/0x7a0 [ 17.712250][ C3] ip_local_deliver+0x171/0x4c0 [ 17.712251][ C3] ip_rcv+0xdc/0x3d0 [ 17.712252][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 17.712254][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 17.712255][ C3] process_backlog+0x431/0x14c0 [ 17.712257][ C3] __napi_poll+0xa7/0x3b0 [ 17.712258][ C3] net_rx_action+0x513/0xf50 [ 17.712260][ C3] handle_softirqs+0x1d3/0x900 [ 17.712262][ C3] do_softirq+0xac/0xe0 [ 17.712263][ C3] __local_bh_enable_ip+0x118/0x150 [ 17.712265][ C3] __dev_queue_xmit+0x989/0x1b90 [ 17.712266][ C3] packet_snd+0xee8/0x1840 [ 17.712269][ C3] __sock_sendmsg+0xce/0x190 [ 17.712271][ C3] __sys_sendto+0x260/0x320 [ 17.712273][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.712274][ C3] do_syscall_64+0xff/0x530 [ 17.712277][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.712278][ C3] INITIAL USE at: [ 17.712279][ C3] } [ 17.712280][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 17.712282][ C3] ... acquired at: [ 17.712283][ C3] mark_lock+0x1d7/0xa00 [ 17.712284][ C3] mark_usage+0x42/0x170 [ 17.712285][ C3] __lock_acquire+0x388/0xc20 [ 17.712287][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712288][ C3] console_lock_spinning_enable+0x5c/0x60 [ 17.712290][ C3] console_emit_next_record+0x1d1/0x4c0 [ 17.712291][ C3] console_flush_one_record+0x46f/0x710 [ 17.712293][ C3] console_unlock+0xee/0x1f0 [ 17.712294][ C3] vprintk_emit+0x37c/0x3e0 [ 17.712295][ C3] _printk+0xc7/0x100 [ 17.712296][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 17.712297][ C3] ip_frag_queue+0xeb5/0x1830 [ 17.712298][ C3] ip_defrag+0x2d4/0x7a0 [ 17.712299][ C3] ip_local_deliver+0x171/0x4c0 [ 17.712299][ C3] ip_rcv+0xdc/0x3d0 [ 17.712300][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 17.712302][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 17.712303][ C3] process_backlog+0x431/0x14c0 [ 17.712305][ C3] __napi_poll+0xa7/0x3b0 [ 17.712306][ C3] net_rx_action+0x513/0xf50 [ 17.712308][ C3] handle_softirqs+0x1d3/0x900 [ 17.712309][ C3] do_softirq+0xac/0xe0 [ 17.712310][ C3] __local_bh_enable_ip+0x118/0x150 [ 17.712311][ C3] __dev_queue_xmit+0x989/0x1b90 [ 17.712313][ C3] packet_snd+0xee8/0x1840 [ 17.712314][ C3] __sock_sendmsg+0xce/0x190 [ 17.712315][ C3] __sys_sendto+0x260/0x320 [ 17.712316][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.712318][ C3] do_syscall_64+0xff/0x530 [ 17.712319][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.712320][ C3] [ 17.712320][ C3] [ 17.712320][ C3] stack backtrace: [ 17.712323][ C3] CPU: 3 UID: 0 PID: 378 Comm: psock_snd Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.712326][ C3] Tainted: [W]=WARN [ 17.712327][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.712329][ C3] Call Trace: [ 17.712330][ C3] [ 17.712331][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.712336][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 17.712338][ C3] mark_lock_irq+0x989/0x9c0 [ 17.712341][ C3] mark_lock+0x1d7/0xa00 [ 17.712343][ C3] mark_usage+0x42/0x170 [ 17.712344][ C3] __lock_acquire+0x388/0xc20 [ 17.712346][ C3] lock_acquire.part.0+0xd4/0x280 [ 17.712348][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 17.712350][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712352][ C3] ? lock_acquire+0x13c/0x160 [ 17.712354][ C3] console_lock_spinning_enable+0x5c/0x60 [ 17.712356][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 17.712358][ C3] console_emit_next_record+0x1d1/0x4c0 [ 17.712360][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 17.712362][ C3] ? console_flush_one_record+0x106/0x710 [ 17.712364][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712365][ C3] ? lock_acquire+0x13c/0x160 [ 17.712367][ C3] console_flush_one_record+0x46f/0x710 [ 17.712369][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 17.712371][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712373][ C3] console_unlock+0xee/0x1f0 [ 17.712375][ C3] ? console_flush_one_record+0x710/0x710 [ 17.712377][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712378][ C3] ? lock_acquire+0xe0/0x160 [ 17.712379][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.712381][ C3] ? vprintk_emit+0x320/0x3e0 [ 17.712383][ C3] vprintk_emit+0x37c/0x3e0 [ 17.712384][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 17.712385][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 17.712387][ C3] _printk+0xc7/0x100 [ 17.712389][ C3] ? snapshot_read.cold+0x21/0x21 [ 17.712391][ C3] ? ___ratelimit+0x4e7/0xa00 [ 17.712394][ C3] ? idr_get_free+0x830/0x830 [ 17.712396][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 17.712398][ C3] ip_frag_queue+0xeb5/0x1830 [ 17.712400][ C3] ip_defrag+0x2d4/0x7a0 [ 17.712401][ C3] ? ip4_obj_hashfn+0x280/0x280 [ 17.712403][ C3] ? ip_route_input_noref+0x137/0x250 [ 17.712405][ C3] ? ip_route_input_slow+0x2420/0x2420 [ 17.712407][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 17.712409][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712411][ C3] ip_local_deliver+0x171/0x4c0 [ 17.712412][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 17.712413][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 17.712414][ C3] ? __asan_memset+0x27/0x50 [ 17.712418][ C3] ip_rcv+0xdc/0x3d0 [ 17.712420][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.712421][ C3] ? __unwind_start+0x42e/0x900 [ 17.712423][ C3] ? sched_balance_find_src_group+0xda/0x760 [ 17.712426][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 17.712428][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.712430][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.712432][ C3] ? validate_chain+0x38b/0xc20 [ 17.712434][ C3] ? mark_usage+0x61/0x170 [ 17.712435][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712437][ C3] ? do_xdp_generic+0x4a0/0x4a0 [ 17.712439][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 17.712440][ C3] ? find_held_lock+0x2b/0x80 [ 17.712442][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 17.712444][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.712445][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.712447][ C3] ? validate_chain+0x38b/0xc20 [ 17.712448][ C3] ? sock_def_readable+0x156/0x480 [ 17.712450][ C3] ? mark_usage+0x61/0x170 [ 17.712451][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712453][ C3] ? process_backlog+0x3f1/0x14c0 [ 17.712455][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 17.712457][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 17.712458][ C3] ? process_backlog+0x3f1/0x14c0 [ 17.712460][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.712462][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712463][ C3] process_backlog+0x431/0x14c0 [ 17.712466][ C3] __napi_poll+0xa7/0x3b0 [ 17.712468][ C3] net_rx_action+0x513/0xf50 [ 17.712470][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712471][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.712475][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 17.712478][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712479][ C3] handle_softirqs+0x1d3/0x900 [ 17.712481][ C3] ? _local_bh_enable+0xc0/0xc0 [ 17.712483][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 17.712485][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712486][ C3] ? __dev_queue_xmit+0x974/0x1b90 [ 17.712488][ C3] do_softirq+0xac/0xe0 [ 17.712490][ C3] [ 17.712490][ C3] [ 17.712491][ C3] __local_bh_enable_ip+0x118/0x150 [ 17.712492][ C3] __dev_queue_xmit+0x989/0x1b90 [ 17.712494][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.712497][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.712499][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.712500][ C3] ? __might_fault+0x97/0x140 [ 17.712502][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.712504][ C3] ? __virtio_net_hdr_to_skb.constprop.0+0x327/0x1440 [ 17.712507][ C3] ? alloc_pg_vec.isra.0+0x540/0x540 [ 17.712508][ C3] ? packet_rcv_spkt+0x5a0/0x5a0 [ 17.712510][ C3] packet_snd+0xee8/0x1840 [ 17.712512][ C3] ? kasan_addr_to_slab+0x41/0x50 [ 17.712514][ C3] ? tpacket_snd+0x1990/0x1990 [ 17.712516][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 17.712517][ C3] ? __might_fault+0x97/0x140 [ 17.712518][ C3] ? find_held_lock+0x2b/0x80 [ 17.712520][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 17.712522][ C3] __sock_sendmsg+0xce/0x190 [ 17.712524][ C3] ? fdget+0x4f/0x1e0 [ 17.712526][ C3] __sys_sendto+0x260/0x320 [ 17.712528][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.712532][ C3] ? fput_close_sync+0xde/0x1b0 [ 17.712534][ C3] ? alloc_file_clone+0xe0/0xe0 [ 17.712536][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.712538][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.712541][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 17.712542][ C3] ? do_syscall_64+0xa6/0x530 [ 17.712544][ C3] do_syscall_64+0xff/0x530 [ 17.712545][ C3] ? exc_page_fault+0xee/0x100 [ 17.712547][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.712548][ C3] RIP: 0033:0x7fa8a37a454e [ 17.712551][ C3] 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 [ 17.712553][ C3] RSP: 002b:00007fff4a432a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.712555][ C3] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007fa8a37a454e [ 17.712557][ C3] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 17.712557][ C3] RBP: 00007fff4a432a60 R08: 00007fff4a432ac0 R09: 0000000000000014 [ 17.712558][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 17.712559][ C3] R13: 0000000000000006 R14: 00007fa8a3975000 R15: 0000000000404e00 [ 17.712561][ C3] [ 17.712565][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.712566][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 378, name: psock_snd [ 17.712568][ C3] preempt_count: 103, expected: 0 [ 17.712569][ C3] RCU nest depth: 2, expected: 0 [ 17.712569][ C3] INFO: lockdep is turned off. [ 17.712570][ C3] irq event stamp: 30755 [ 17.712570][ C3] hardirqs last enabled at (30754): [] __down_trylock_console_sem+0x86/0xa0 [ 17.712573][ C3] hardirqs last disabled at (30755): [] console_emit_next_record+0x3d4/0x4c0 [ 17.712575][ C3] softirqs last enabled at (30392): [] __dev_queue_xmit+0x974/0x1b90 [ 17.712577][ C3] softirqs last disabled at (30393): [] do_softirq+0xac/0xe0 [ 17.712578][ C3] Preemption disabled at: [ 17.712579][ C3] [] __dev_queue_xmit+0x20c/0x1b90 [ 17.712582][ C3] CPU: 3 UID: 0 PID: 378 Comm: psock_snd Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.712583][ C3] Tainted: [W]=WARN [ 17.712584][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.712584][ C3] Call Trace: [ 17.712585][ C3] [ 17.712585][ C3] dump_stack_lvl+0x6f/0xa0 [ 17.712587][ C3] ? __dev_queue_xmit+0x20c/0x1b90 [ 17.712589][ C3] __might_resched.cold+0x1fe/0x2c1 [ 17.712592][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.712595][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712596][ C3] __kmalloc_noprof+0x443/0x760 [ 17.712598][ C3] ? __rwlock_init+0x150/0x150 [ 17.712599][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 17.712601][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 17.712603][ C3] alloc_buf.isra.0+0x4b/0x260 [ 17.712606][ C3] put_chars+0x1e1/0x2f0 [ 17.712607][ C3] ? __send_to_port+0x420/0x420 [ 17.712609][ C3] hvc_console_print+0x292/0x780 [ 17.712612][ C3] ? __lock_acquire+0x388/0xc20 [ 17.712614][ C3] ? hvc_write+0x3a0/0x3a0 [ 17.712616][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712617][ C3] ? lock_acquire+0x13c/0x160 [ 17.712619][ C3] console_emit_next_record+0x22f/0x4c0 [ 17.712621][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 17.712623][ C3] ? console_flush_one_record+0x106/0x710 [ 17.712625][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712626][ C3] ? lock_acquire+0x13c/0x160 [ 17.712628][ C3] console_flush_one_record+0x46f/0x710 [ 17.712630][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 17.712631][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712634][ C3] console_unlock+0xee/0x1f0 [ 17.712636][ C3] ? console_flush_one_record+0x710/0x710 [ 17.712637][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712638][ C3] ? lock_acquire+0xe0/0x160 [ 17.712640][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.712642][ C3] ? vprintk_emit+0x320/0x3e0 [ 17.712643][ C3] vprintk_emit+0x37c/0x3e0 [ 17.712644][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 17.712646][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 17.712648][ C3] _printk+0xc7/0x100 [ 17.712649][ C3] ? snapshot_read.cold+0x21/0x21 [ 17.712651][ C3] ? ___ratelimit+0x4e7/0xa00 [ 17.712653][ C3] ? idr_get_free+0x830/0x830 [ 17.712655][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 17.712657][ C3] ip_frag_queue+0xeb5/0x1830 [ 17.712659][ C3] ip_defrag+0x2d4/0x7a0 [ 17.712660][ C3] ? ip4_obj_hashfn+0x280/0x280 [ 17.712661][ C3] ? ip_route_input_noref+0x137/0x250 [ 17.712663][ C3] ? ip_route_input_slow+0x2420/0x2420 [ 17.712665][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 17.712666][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712668][ C3] ip_local_deliver+0x171/0x4c0 [ 17.712669][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 17.712670][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 17.712671][ C3] ? __asan_memset+0x27/0x50 [ 17.712674][ C3] ip_rcv+0xdc/0x3d0 [ 17.712675][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 17.712676][ C3] ? __unwind_start+0x42e/0x900 [ 17.712678][ C3] ? sched_balance_find_src_group+0xda/0x760 [ 17.712679][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 17.712681][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.712683][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.712684][ C3] ? validate_chain+0x38b/0xc20 [ 17.712686][ C3] ? mark_usage+0x61/0x170 [ 17.712687][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712689][ C3] ? do_xdp_generic+0x4a0/0x4a0 [ 17.712691][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 17.712692][ C3] ? find_held_lock+0x2b/0x80 [ 17.712694][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 17.712696][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.712697][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.712698][ C3] ? validate_chain+0x38b/0xc20 [ 17.712700][ C3] ? sock_def_readable+0x156/0x480 [ 17.712701][ C3] ? mark_usage+0x61/0x170 [ 17.712703][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712705][ C3] ? process_backlog+0x3f1/0x14c0 [ 17.712706][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 17.712708][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 17.712710][ C3] ? process_backlog+0x3f1/0x14c0 [ 17.712711][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 17.712713][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712715][ C3] process_backlog+0x431/0x14c0 [ 17.712717][ C3] __napi_poll+0xa7/0x3b0 [ 17.712719][ C3] net_rx_action+0x513/0xf50 [ 17.712721][ C3] ? __lock_acquire+0x518/0xc20 [ 17.712723][ C3] ? __napi_poll+0x3b0/0x3b0 [ 17.712726][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 17.712728][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712729][ C3] handle_softirqs+0x1d3/0x900 [ 17.712731][ C3] ? _local_bh_enable+0xc0/0xc0 [ 17.712733][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 17.712735][ C3] ? rcu_is_watching+0x16/0xd0 [ 17.712736][ C3] ? __dev_queue_xmit+0x974/0x1b90 [ 17.712737][ C3] do_softirq+0xac/0xe0 [ 17.712739][ C3] [ 17.712739][ C3] [ 17.712740][ C3] __local_bh_enable_ip+0x118/0x150 [ 17.712741][ C3] __dev_queue_xmit+0x989/0x1b90 [ 17.712743][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 17.712744][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.712746][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 17.712748][ C3] ? __might_fault+0x97/0x140 [ 17.712749][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 17.712751][ C3] ? __virtio_net_hdr_to_skb.constprop.0+0x327/0x1440 [ 17.712753][ C3] ? alloc_pg_vec.isra.0+0x540/0x540 [ 17.712754][ C3] ? packet_rcv_spkt+0x5a0/0x5a0 [ 17.712756][ C3] packet_snd+0xee8/0x1840 [ 17.712758][ C3] ? kasan_addr_to_slab+0x41/0x50 [ 17.712759][ C3] ? tpacket_snd+0x1990/0x1990 [ 17.712761][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 17.712762][ C3] ? __might_fault+0x97/0x140 [ 17.712763][ C3] ? find_held_lock+0x2b/0x80 [ 17.712765][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 17.712767][ C3] __sock_sendmsg+0xce/0x190 [ 17.712768][ C3] ? fdget+0x4f/0x1e0 [ 17.712770][ C3] __sys_sendto+0x260/0x320 [ 17.712772][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 17.712775][ C3] ? fput_close_sync+0xde/0x1b0 [ 17.712777][ C3] ? alloc_file_clone+0xe0/0xe0 [ 17.712779][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 17.712781][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 17.712782][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 17.712783][ C3] ? do_syscall_64+0xa6/0x530 [ 17.712785][ C3] do_syscall_64+0xff/0x530 [ 17.712786][ C3] ? exc_page_fault+0xee/0x100 [ 17.712788][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.712789][ C3] RIP: 0033:0x7fa8a37a454e [ 17.712790][ C3] 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 [ 17.712791][ C3] RSP: 002b:00007fff4a432a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 17.712792][ C3] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007fa8a37a454e [ 17.712793][ C3] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 17.712794][ C3] RBP: 00007fff4a432a60 R08: 00007fff4a432ac0 R09: 0000000000000014 [ 17.712794][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 17.712795][ C3] R13: 0000000000000006 R14: 00007fa8a3975000 R15: 0000000000404e00 [ 17.712797][ C3]