[ 14.955802][ C3] IPv4: Oversized IP packet from 172.17.0.2 [ 14.955844][ C3] [ 14.955846][ C3] ======================================================== [ 14.955847][ C3] WARNING: possible irq lock inversion dependency detected [ 14.955849][ C3] 7.2.0-virtme #1 Tainted: G W [ 14.955850][ C3] -------------------------------------------------------- [ 14.955851][ C3] psock_snd/376 just changed the state of lock: [ 14.955852][ C3] ffffffff8a89d760 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.955864][ C3] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 14.955865][ C3] (fs_reclaim){+.+.}-{0:0} [ 14.955866][ C3] [ 14.955866][ C3] [ 14.955866][ C3] and interrupts could create inverse lock ordering between them. [ 14.955866][ C3] [ 14.955867][ C3] [ 14.955867][ C3] other info that might help us debug this: [ 14.955867][ C3] Possible interrupt unsafe locking scenario: [ 14.955867][ C3] [ 14.955868][ C3] CPU0 CPU1 [ 14.955868][ C3] ---- ---- [ 14.955868][ C3] lock(fs_reclaim); [ 14.955870][ C3] local_irq_disable(); [ 14.955870][ C3] lock(console_owner); [ 14.955871][ C3] lock(fs_reclaim); [ 14.955872][ C3] [ 14.955872][ C3] lock(console_owner); [ 14.955873][ C3] [ 14.955873][ C3] *** DEADLOCK *** [ 14.955873][ C3] [ 14.955873][ C3] locks held by psock_snd/376: 5, last CPU#3: [ 14.955874][ C3] #0: ffffffff8a994c00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 14.955880][ C3] #1: ffffffff8a994c00 (rcu_read_lock){....}-{1:3}, at: ip_defrag+0xcd/0x7a0 [ 14.955884][ C3] #2: ff1100000cbbc3e8 (&q->lock){+.-.}-{3:3}, at: ip_defrag+0x2c4/0x7a0 [ 14.955887][ C3] #3: ffffffff8a97ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.955890][ C3] #4: ffffffff8a97de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.955893][ C3] [ 14.955893][ C3] the shortest dependencies between 2nd lock and 1st lock: [ 14.955897][ C3] -> (fs_reclaim){+.+.}-{0:0} { [ 14.955899][ C3] HARDIRQ-ON-W at: [ 14.955901][ C3] __lock_acquire+0x388/0xc20 [ 14.955904][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.955905][ C3] fs_reclaim_acquire+0xd5/0x120 [ 14.955909][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 14.955910][ C3] kthread_create_worker_on_node+0xea/0x210 [ 14.955913][ C3] workqueue_init+0x2a/0x680 [ 14.955917][ C3] kernel_init_freeable+0x2fe/0x630 [ 14.955920][ C3] kernel_init+0x21/0x150 [ 14.955923][ C3] ret_from_fork+0x474/0x6b0 [ 14.955926][ C3] ret_from_fork_asm+0x11/0x20 [ 14.955929][ C3] SOFTIRQ-ON-W at: [ 14.955930][ C3] __lock_acquire+0x388/0xc20 [ 14.955932][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.955933][ C3] fs_reclaim_acquire+0xd5/0x120 [ 14.955935][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 14.955936][ C3] kthread_create_worker_on_node+0xea/0x210 [ 14.955937][ C3] workqueue_init+0x2a/0x680 [ 14.955939][ C3] kernel_init_freeable+0x2fe/0x630 [ 14.955940][ C3] kernel_init+0x21/0x150 [ 14.955941][ C3] ret_from_fork+0x474/0x6b0 [ 14.955942][ C3] ret_from_fork_asm+0x11/0x20 [ 14.955944][ C3] INITIAL USE at: [ 14.955945][ C3] __lock_acquire+0x388/0xc20 [ 14.955946][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.955947][ C3] fs_reclaim_acquire+0xd5/0x120 [ 14.955949][ C3] __kmalloc_cache_noprof+0x6e/0x620 [ 14.955950][ C3] kthread_create_worker_on_node+0xea/0x210 [ 14.955951][ C3] workqueue_init+0x2a/0x680 [ 14.955953][ C3] kernel_init_freeable+0x2fe/0x630 [ 14.955954][ C3] kernel_init+0x21/0x150 [ 14.955956][ C3] ret_from_fork+0x474/0x6b0 [ 14.955957][ C3] ret_from_fork_asm+0x11/0x20 [ 14.955958][ C3] } [ 14.955959][ C3] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 14.955962][ C3] ... acquired at: [ 14.955963][ C3] __lock_acquire+0x518/0xc20 [ 14.955964][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.955966][ C3] fs_reclaim_acquire+0xd5/0x120 [ 14.955967][ C3] __kmalloc_noprof+0xd3/0x760 [ 14.955968][ C3] alloc_buf.isra.0+0x4b/0x260 [ 14.955972][ C3] put_chars+0x1e1/0x2f0 [ 14.955973][ C3] hvc_console_print+0x292/0x780 [ 14.955976][ C3] console_emit_next_record+0x22f/0x4c0 [ 14.955978][ C3] console_flush_one_record+0x46f/0x710 [ 14.955979][ C3] console_unlock+0xee/0x1f0 [ 14.955981][ C3] vprintk_emit+0x37c/0x3e0 [ 14.955981][ C3] _printk+0xc7/0x100 [ 14.955984][ C3] tun_init+0x24/0xb0 [ 14.955987][ C3] do_one_initcall+0x124/0x4f0 [ 14.955988][ C3] kernel_init_freeable+0x596/0x630 [ 14.955989][ C3] kernel_init+0x21/0x150 [ 14.955991][ C3] ret_from_fork+0x474/0x6b0 [ 14.955992][ C3] ret_from_fork_asm+0x11/0x20 [ 14.955993][ C3] [ 14.955993][ C3] -> (console_owner){..-.}-{0:0} { [ 14.955995][ C3] IN-SOFTIRQ-W at: [ 14.955996][ C3] __lock_acquire+0x388/0xc20 [ 14.955997][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.955998][ C3] console_lock_spinning_enable+0x5c/0x60 [ 14.956000][ C3] console_emit_next_record+0x1d1/0x4c0 [ 14.956002][ C3] console_flush_one_record+0x46f/0x710 [ 14.956003][ C3] console_unlock+0xee/0x1f0 [ 14.956005][ C3] vprintk_emit+0x37c/0x3e0 [ 14.956005][ C3] _printk+0xc7/0x100 [ 14.956007][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.956009][ C3] ip_frag_queue+0xeb5/0x1830 [ 14.956010][ C3] ip_defrag+0x2d4/0x7a0 [ 14.956011][ C3] ip_local_deliver+0x171/0x4c0 [ 14.956012][ C3] ip_rcv+0xdc/0x3d0 [ 14.956012][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.956014][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 14.956016][ C3] process_backlog+0x431/0x14c0 [ 14.956017][ C3] __napi_poll+0xa7/0x3b0 [ 14.956019][ C3] net_rx_action+0x513/0xf50 [ 14.956020][ C3] handle_softirqs+0x1d3/0x900 [ 14.956023][ C3] do_softirq+0xac/0xe0 [ 14.956024][ C3] __local_bh_enable_ip+0x118/0x150 [ 14.956026][ C3] __dev_queue_xmit+0x989/0x1b90 [ 14.956027][ C3] packet_snd+0xee8/0x1840 [ 14.956029][ C3] __sock_sendmsg+0xce/0x190 [ 14.956032][ C3] __sys_sendto+0x260/0x320 [ 14.956034][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 14.956035][ C3] do_syscall_64+0xff/0x530 [ 14.956037][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.956039][ C3] INITIAL USE at: [ 14.956040][ C3] } [ 14.956040][ C3] ... key at: [] console_owner_dep_map+0x0/0x60 [ 14.956042][ C3] ... acquired at: [ 14.956043][ C3] mark_lock+0x1d7/0xa00 [ 14.956044][ C3] mark_usage+0x42/0x170 [ 14.956045][ C3] __lock_acquire+0x388/0xc20 [ 14.956047][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.956048][ C3] console_lock_spinning_enable+0x5c/0x60 [ 14.956050][ C3] console_emit_next_record+0x1d1/0x4c0 [ 14.956051][ C3] console_flush_one_record+0x46f/0x710 [ 14.956053][ C3] console_unlock+0xee/0x1f0 [ 14.956054][ C3] vprintk_emit+0x37c/0x3e0 [ 14.956055][ C3] _printk+0xc7/0x100 [ 14.956056][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.956057][ C3] ip_frag_queue+0xeb5/0x1830 [ 14.956058][ C3] ip_defrag+0x2d4/0x7a0 [ 14.956059][ C3] ip_local_deliver+0x171/0x4c0 [ 14.956060][ C3] ip_rcv+0xdc/0x3d0 [ 14.956061][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.956062][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 14.956064][ C3] process_backlog+0x431/0x14c0 [ 14.956065][ C3] __napi_poll+0xa7/0x3b0 [ 14.956067][ C3] net_rx_action+0x513/0xf50 [ 14.956068][ C3] handle_softirqs+0x1d3/0x900 [ 14.956069][ C3] do_softirq+0xac/0xe0 [ 14.956071][ C3] __local_bh_enable_ip+0x118/0x150 [ 14.956072][ C3] __dev_queue_xmit+0x989/0x1b90 [ 14.956073][ C3] packet_snd+0xee8/0x1840 [ 14.956074][ C3] __sock_sendmsg+0xce/0x190 [ 14.956075][ C3] __sys_sendto+0x260/0x320 [ 14.956077][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 14.956078][ C3] do_syscall_64+0xff/0x530 [ 14.956080][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.956080][ C3] [ 14.956081][ C3] [ 14.956081][ C3] stack backtrace: [ 14.956083][ C3] CPU: 3 UID: 0 PID: 376 Comm: psock_snd Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.956086][ C3] Tainted: [W]=WARN [ 14.956087][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.956089][ C3] Call Trace: [ 14.956090][ C3] [ 14.956091][ C3] dump_stack_lvl+0x6f/0xa0 [ 14.956095][ C3] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 14.956098][ C3] mark_lock_irq+0x989/0x9c0 [ 14.956101][ C3] mark_lock+0x1d7/0xa00 [ 14.956102][ C3] mark_usage+0x42/0x170 [ 14.956104][ C3] __lock_acquire+0x388/0xc20 [ 14.956106][ C3] lock_acquire.part.0+0xd4/0x280 [ 14.956108][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 14.956110][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956112][ C3] ? lock_acquire+0x13c/0x160 [ 14.956114][ C3] console_lock_spinning_enable+0x5c/0x60 [ 14.956116][ C3] ? console_lock_spinning_enable+0x40/0x60 [ 14.956117][ C3] console_emit_next_record+0x1d1/0x4c0 [ 14.956119][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 14.956121][ C3] ? console_flush_one_record+0x106/0x710 [ 14.956123][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956124][ C3] ? lock_acquire+0x13c/0x160 [ 14.956126][ C3] console_flush_one_record+0x46f/0x710 [ 14.956128][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 14.956130][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956132][ C3] console_unlock+0xee/0x1f0 [ 14.956134][ C3] ? console_flush_one_record+0x710/0x710 [ 14.956136][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956137][ C3] ? lock_acquire+0xe0/0x160 [ 14.956138][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.956141][ C3] ? vprintk_emit+0x320/0x3e0 [ 14.956142][ C3] vprintk_emit+0x37c/0x3e0 [ 14.956143][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 14.956144][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 14.956147][ C3] _printk+0xc7/0x100 [ 14.956148][ C3] ? snapshot_read.cold+0x21/0x21 [ 14.956150][ C3] ? ___ratelimit+0x4e7/0xa00 [ 14.956153][ C3] ? idr_get_free+0x830/0x830 [ 14.956155][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.956157][ C3] ip_frag_queue+0xeb5/0x1830 [ 14.956159][ C3] ip_defrag+0x2d4/0x7a0 [ 14.956160][ C3] ? ip4_obj_hashfn+0x280/0x280 [ 14.956162][ C3] ? ip_route_input_noref+0x137/0x250 [ 14.956164][ C3] ? ip_route_input_slow+0x2420/0x2420 [ 14.956166][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.956168][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956170][ C3] ip_local_deliver+0x171/0x4c0 [ 14.956171][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 14.956172][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 14.956174][ C3] ? __asan_memset+0x27/0x50 [ 14.956177][ C3] ip_rcv+0xdc/0x3d0 [ 14.956178][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 14.956180][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 14.956182][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.956184][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.956186][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.956187][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.956189][ C3] ? validate_chain+0x38b/0xc20 [ 14.956191][ C3] ? mark_usage+0x61/0x170 [ 14.956193][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956195][ C3] ? do_xdp_generic+0x4a0/0x4a0 [ 14.956196][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 14.956198][ C3] ? find_held_lock+0x2b/0x80 [ 14.956199][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 14.956201][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.956202][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.956204][ C3] ? validate_chain+0x38b/0xc20 [ 14.956205][ C3] ? sock_def_readable+0x156/0x480 [ 14.956208][ C3] ? mark_usage+0x61/0x170 [ 14.956209][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956211][ C3] ? process_backlog+0x3f1/0x14c0 [ 14.956213][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 14.956214][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 14.956216][ C3] ? process_backlog+0x3f1/0x14c0 [ 14.956217][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 14.956219][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956221][ C3] process_backlog+0x431/0x14c0 [ 14.956223][ C3] __napi_poll+0xa7/0x3b0 [ 14.956225][ C3] net_rx_action+0x513/0xf50 [ 14.956228][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956229][ C3] ? __napi_poll+0x3b0/0x3b0 [ 14.956232][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 14.956236][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956237][ C3] handle_softirqs+0x1d3/0x900 [ 14.956239][ C3] ? _local_bh_enable+0xc0/0xc0 [ 14.956240][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 14.956242][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956243][ C3] ? __dev_queue_xmit+0x974/0x1b90 [ 14.956245][ C3] do_softirq+0xac/0xe0 [ 14.956246][ C3] [ 14.956247][ C3] [ 14.956247][ C3] __local_bh_enable_ip+0x118/0x150 [ 14.956249][ C3] __dev_queue_xmit+0x989/0x1b90 [ 14.956251][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 14.956254][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.956256][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.956257][ C3] ? __might_fault+0x97/0x140 [ 14.956260][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 14.956262][ C3] ? __virtio_net_hdr_to_skb.constprop.0+0x327/0x1440 [ 14.956264][ C3] ? alloc_pg_vec.isra.0+0x540/0x540 [ 14.956265][ C3] ? packet_rcv_spkt+0x5a0/0x5a0 [ 14.956267][ C3] packet_snd+0xee8/0x1840 [ 14.956269][ C3] ? kasan_addr_to_slab+0x41/0x50 [ 14.956272][ C3] ? tpacket_snd+0x1990/0x1990 [ 14.956273][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 14.956275][ C3] ? __might_fault+0x97/0x140 [ 14.956276][ C3] ? find_held_lock+0x2b/0x80 [ 14.956277][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 14.956280][ C3] __sock_sendmsg+0xce/0x190 [ 14.956281][ C3] ? fdget+0x4f/0x1e0 [ 14.956284][ C3] __sys_sendto+0x260/0x320 [ 14.956286][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 14.956289][ C3] ? fput_close_sync+0xde/0x1b0 [ 14.956292][ C3] ? alloc_file_clone+0xe0/0xe0 [ 14.956294][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 14.956295][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.956298][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 14.956300][ C3] ? do_syscall_64+0xa6/0x530 [ 14.956301][ C3] do_syscall_64+0xff/0x530 [ 14.956303][ C3] ? exc_page_fault+0xee/0x100 [ 14.956304][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.956306][ C3] RIP: 0033:0x7f083e88154e [ 14.956308][ 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 [ 14.956310][ C3] RSP: 002b:00007ffdf54d99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.956312][ C3] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f083e88154e [ 14.956314][ C3] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 14.956314][ C3] RBP: 00007ffdf54d99e0 R08: 00007ffdf54d9a40 R09: 0000000000000014 [ 14.956315][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 14.956316][ C3] R13: 0000000000000006 R14: 00007f083ea52000 R15: 0000000000404e00 [ 14.956318][ C3] [ 14.956322][ C3] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.956323][ C3] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 376, name: psock_snd [ 14.956324][ C3] preempt_count: 103, expected: 0 [ 14.956325][ C3] RCU nest depth: 2, expected: 0 [ 14.956326][ C3] INFO: lockdep is turned off. [ 14.956326][ C3] irq event stamp: 24195 [ 14.956327][ C3] hardirqs last enabled at (24194): [] __down_trylock_console_sem+0x86/0xa0 [ 14.956329][ C3] hardirqs last disabled at (24195): [] console_emit_next_record+0x3d4/0x4c0 [ 14.956331][ C3] softirqs last enabled at (23830): [] __dev_queue_xmit+0x974/0x1b90 [ 14.956333][ C3] softirqs last disabled at (23831): [] do_softirq+0xac/0xe0 [ 14.956334][ C3] Preemption disabled at: [ 14.956335][ C3] [] __dev_queue_xmit+0x20c/0x1b90 [ 14.956337][ C3] CPU: 3 UID: 0 PID: 376 Comm: psock_snd Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.956339][ C3] Tainted: [W]=WARN [ 14.956340][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.956340][ C3] Call Trace: [ 14.956341][ C3] [ 14.956342][ C3] dump_stack_lvl+0x6f/0xa0 [ 14.956344][ C3] ? __dev_queue_xmit+0x20c/0x1b90 [ 14.956345][ C3] __might_resched.cold+0x1fe/0x2c1 [ 14.956348][ C3] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.956351][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956352][ C3] __kmalloc_noprof+0x443/0x760 [ 14.956354][ C3] ? __rwlock_init+0x150/0x150 [ 14.956355][ C3] ? alloc_buf.isra.0+0x4b/0x260 [ 14.956357][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 14.956359][ C3] alloc_buf.isra.0+0x4b/0x260 [ 14.956361][ C3] put_chars+0x1e1/0x2f0 [ 14.956363][ C3] ? __send_to_port+0x420/0x420 [ 14.956365][ C3] hvc_console_print+0x292/0x780 [ 14.956367][ C3] ? __lock_acquire+0x388/0xc20 [ 14.956369][ C3] ? hvc_write+0x3a0/0x3a0 [ 14.956371][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956372][ C3] ? lock_acquire+0x13c/0x160 [ 14.956374][ C3] console_emit_next_record+0x22f/0x4c0 [ 14.956377][ C3] ? devkmsg_read+0x4b0/0x4b0 [ 14.956378][ C3] ? console_flush_one_record+0x106/0x710 [ 14.956380][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956381][ C3] ? lock_acquire+0x13c/0x160 [ 14.956383][ C3] console_flush_one_record+0x46f/0x710 [ 14.956385][ C3] ? console_emit_next_record+0x4c0/0x4c0 [ 14.956387][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956389][ C3] console_unlock+0xee/0x1f0 [ 14.956391][ C3] ? console_flush_one_record+0x710/0x710 [ 14.956393][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956394][ C3] ? lock_acquire+0xe0/0x160 [ 14.956396][ C3] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.956397][ C3] ? vprintk_emit+0x320/0x3e0 [ 14.956398][ C3] vprintk_emit+0x37c/0x3e0 [ 14.956400][ C3] ? wake_up_klogd_work_func+0x90/0x90 [ 14.956401][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 14.956403][ C3] _printk+0xc7/0x100 [ 14.956405][ C3] ? snapshot_read.cold+0x21/0x21 [ 14.956406][ C3] ? ___ratelimit+0x4e7/0xa00 [ 14.956408][ C3] ? idr_get_free+0x830/0x830 [ 14.956410][ C3] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.956412][ C3] ip_frag_queue+0xeb5/0x1830 [ 14.956414][ C3] ip_defrag+0x2d4/0x7a0 [ 14.956416][ C3] ? ip4_obj_hashfn+0x280/0x280 [ 14.956417][ C3] ? ip_route_input_noref+0x137/0x250 [ 14.956419][ C3] ? ip_route_input_slow+0x2420/0x2420 [ 14.956420][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.956422][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956423][ C3] ip_local_deliver+0x171/0x4c0 [ 14.956425][ C3] ? ip_local_deliver_finish+0x610/0x610 [ 14.956426][ C3] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 14.956427][ C3] ? __asan_memset+0x27/0x50 [ 14.956429][ C3] ip_rcv+0xdc/0x3d0 [ 14.956430][ C3] ? ip_local_deliver+0x4c0/0x4c0 [ 14.956432][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 14.956434][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.956436][ C3] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.956438][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.956439][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.956440][ C3] ? validate_chain+0x38b/0xc20 [ 14.956442][ C3] ? mark_usage+0x61/0x170 [ 14.956443][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956445][ C3] ? do_xdp_generic+0x4a0/0x4a0 [ 14.956447][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 14.956449][ C3] ? find_held_lock+0x2b/0x80 [ 14.956450][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 14.956452][ C3] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.956453][ C3] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.956454][ C3] ? validate_chain+0x38b/0xc20 [ 14.956456][ C3] ? sock_def_readable+0x156/0x480 [ 14.956457][ C3] ? mark_usage+0x61/0x170 [ 14.956459][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956461][ C3] ? process_backlog+0x3f1/0x14c0 [ 14.956462][ C3] __netif_receive_skb_one_core+0xa2/0x180 [ 14.956464][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 14.956466][ C3] ? process_backlog+0x3f1/0x14c0 [ 14.956467][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 14.956469][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956471][ C3] process_backlog+0x431/0x14c0 [ 14.956473][ C3] __napi_poll+0xa7/0x3b0 [ 14.956475][ C3] net_rx_action+0x513/0xf50 [ 14.956477][ C3] ? __lock_acquire+0x518/0xc20 [ 14.956479][ C3] ? __napi_poll+0x3b0/0x3b0 [ 14.956482][ C3] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 14.956484][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956485][ C3] handle_softirqs+0x1d3/0x900 [ 14.956487][ C3] ? _local_bh_enable+0xc0/0xc0 [ 14.956489][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 14.956491][ C3] ? rcu_is_watching+0x16/0xd0 [ 14.956492][ C3] ? __dev_queue_xmit+0x974/0x1b90 [ 14.956494][ C3] do_softirq+0xac/0xe0 [ 14.956495][ C3] [ 14.956496][ C3] [ 14.956496][ C3] __local_bh_enable_ip+0x118/0x150 [ 14.956498][ C3] __dev_queue_xmit+0x989/0x1b90 [ 14.956499][ C3] ? _copy_from_iter+0x1bb/0x1810 [ 14.956501][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.956503][ C3] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.956504][ C3] ? __might_fault+0x97/0x140 [ 14.956505][ C3] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 14.956507][ C3] ? __virtio_net_hdr_to_skb.constprop.0+0x327/0x1440 [ 14.956509][ C3] ? alloc_pg_vec.isra.0+0x540/0x540 [ 14.956510][ C3] ? packet_rcv_spkt+0x5a0/0x5a0 [ 14.956512][ C3] packet_snd+0xee8/0x1840 [ 14.956514][ C3] ? kasan_addr_to_slab+0x41/0x50 [ 14.956516][ C3] ? tpacket_snd+0x1990/0x1990 [ 14.956517][ C3] ? lock_acquire.part.0+0xd4/0x280 [ 14.956518][ C3] ? __might_fault+0x97/0x140 [ 14.956520][ C3] ? find_held_lock+0x2b/0x80 [ 14.956521][ C3] ? __lock_release.isra.0+0x69/0x1a0 [ 14.956523][ C3] __sock_sendmsg+0xce/0x190 [ 14.956525][ C3] ? fdget+0x4f/0x1e0 [ 14.956526][ C3] __sys_sendto+0x260/0x320 [ 14.956528][ C3] ? __ia32_sys_getpeername+0xd0/0xd0 [ 14.956531][ C3] ? fput_close_sync+0xde/0x1b0 [ 14.956533][ C3] ? alloc_file_clone+0xe0/0xe0 [ 14.956535][ C3] __x64_sys_sendto+0xe4/0x1f0 [ 14.956537][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.956538][ C3] ? lockdep_hardirqs_on+0x91/0x130 [ 14.956539][ C3] ? do_syscall_64+0xa6/0x530 [ 14.956541][ C3] do_syscall_64+0xff/0x530 [ 14.956542][ C3] ? exc_page_fault+0xee/0x100 [ 14.956544][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.956545][ C3] RIP: 0033:0x7f083e88154e [ 14.956546][ 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 [ 14.956547][ C3] RSP: 002b:00007ffdf54d99d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.956548][ C3] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f083e88154e [ 14.956549][ C3] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 14.956550][ C3] RBP: 00007ffdf54d99e0 R08: 00007ffdf54d9a40 R09: 0000000000000014 [ 14.956550][ C3] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 14.956551][ C3] R13: 0000000000000006 R14: 00007f083ea52000 R15: 0000000000404e00 [ 14.956553][ C3]