[ 14.837908][ C0] IPv4: Oversized IP packet from 172.17.0.2 [ 14.837945][ C0] [ 14.837946][ C0] ======================================================== [ 14.837947][ C0] WARNING: possible irq lock inversion dependency detected [ 14.837949][ C0] 7.2.0-virtme #1 Tainted: G W [ 14.837950][ C0] -------------------------------------------------------- [ 14.837951][ C0] psock_snd/375 just changed the state of lock: [ 14.837952][ C0] ffffffff8729d760 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.837964][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 14.837965][ C0] (fs_reclaim){+.+.}-{0:0} [ 14.837967][ C0] [ 14.837967][ C0] [ 14.837967][ C0] and interrupts could create inverse lock ordering between them. [ 14.837967][ C0] [ 14.837967][ C0] [ 14.837967][ C0] other info that might help us debug this: [ 14.837968][ C0] Possible interrupt unsafe locking scenario: [ 14.837968][ C0] [ 14.837969][ C0] CPU0 CPU1 [ 14.837969][ C0] ---- ---- [ 14.837969][ C0] lock(fs_reclaim); [ 14.837970][ C0] local_irq_disable(); [ 14.837971][ C0] lock(console_owner); [ 14.837972][ C0] lock(fs_reclaim); [ 14.837972][ C0] [ 14.837973][ C0] lock(console_owner); [ 14.837974][ C0] [ 14.837974][ C0] *** DEADLOCK *** [ 14.837974][ C0] [ 14.837974][ C0] locks held by psock_snd/375: 5, last CPU#0: [ 14.837975][ C0] #0: ffffffff87394c00 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3f1/0x14c0 [ 14.837982][ C0] #1: ffffffff87394c00 (rcu_read_lock){....}-{1:3}, at: ip_defrag+0xcd/0x7a0 [ 14.837986][ C0] #2: ff11000010c7c3e8 (&q->lock){+.-.}-{3:3}, at: ip_defrag+0x2c4/0x7a0 [ 14.837988][ C0] #3: ffffffff8737ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.837991][ C0] #4: ffffffff8737de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.837994][ C0] [ 14.837994][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 14.837999][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 14.838001][ C0] HARDIRQ-ON-W at: [ 14.838002][ C0] __lock_acquire+0x388/0xc20 [ 14.838005][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838007][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.838010][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 14.838012][ C0] kthread_create_worker_on_node+0xea/0x210 [ 14.838015][ C0] workqueue_init+0x2a/0x680 [ 14.838018][ C0] kernel_init_freeable+0x2fe/0x630 [ 14.838021][ C0] kernel_init+0x21/0x150 [ 14.838025][ C0] ret_from_fork+0x474/0x6b0 [ 14.838028][ C0] ret_from_fork_asm+0x11/0x20 [ 14.838031][ C0] SOFTIRQ-ON-W at: [ 14.838032][ C0] __lock_acquire+0x388/0xc20 [ 14.838033][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838035][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.838036][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 14.838037][ C0] kthread_create_worker_on_node+0xea/0x210 [ 14.838039][ C0] workqueue_init+0x2a/0x680 [ 14.838040][ C0] kernel_init_freeable+0x2fe/0x630 [ 14.838041][ C0] kernel_init+0x21/0x150 [ 14.838043][ C0] ret_from_fork+0x474/0x6b0 [ 14.838044][ C0] ret_from_fork_asm+0x11/0x20 [ 14.838045][ C0] INITIAL USE at: [ 14.838046][ C0] __lock_acquire+0x388/0xc20 [ 14.838047][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838049][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.838050][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 14.838051][ C0] kthread_create_worker_on_node+0xea/0x210 [ 14.838053][ C0] workqueue_init+0x2a/0x680 [ 14.838054][ C0] kernel_init_freeable+0x2fe/0x630 [ 14.838056][ C0] kernel_init+0x21/0x150 [ 14.838057][ C0] ret_from_fork+0x474/0x6b0 [ 14.838058][ C0] ret_from_fork_asm+0x11/0x20 [ 14.838060][ C0] } [ 14.838060][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 14.838064][ C0] ... acquired at: [ 14.838065][ C0] __lock_acquire+0x518/0xc20 [ 14.838066][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838068][ C0] fs_reclaim_acquire+0xd5/0x120 [ 14.838069][ C0] __kmalloc_noprof+0xd3/0x760 [ 14.838070][ C0] alloc_buf.isra.0+0x4b/0x260 [ 14.838074][ C0] put_chars+0x1e1/0x2f0 [ 14.838075][ C0] hvc_console_print+0x292/0x780 [ 14.838078][ C0] console_emit_next_record+0x22f/0x4c0 [ 14.838080][ C0] console_flush_one_record+0x46f/0x710 [ 14.838081][ C0] console_unlock+0xee/0x1f0 [ 14.838083][ C0] vprintk_emit+0x37c/0x3e0 [ 14.838084][ C0] _printk+0xc7/0x100 [ 14.838087][ C0] tun_init+0x24/0xb0 [ 14.838089][ C0] do_one_initcall+0x124/0x4f0 [ 14.838090][ C0] kernel_init_freeable+0x596/0x630 [ 14.838092][ C0] kernel_init+0x21/0x150 [ 14.838093][ C0] ret_from_fork+0x474/0x6b0 [ 14.838094][ C0] ret_from_fork_asm+0x11/0x20 [ 14.838096][ C0] [ 14.838096][ C0] -> (console_owner){..-.}-{0:0} { [ 14.838097][ C0] IN-SOFTIRQ-W at: [ 14.838098][ C0] __lock_acquire+0x388/0xc20 [ 14.838100][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838101][ C0] console_lock_spinning_enable+0x5c/0x60 [ 14.838103][ C0] console_emit_next_record+0x1d1/0x4c0 [ 14.838104][ C0] console_flush_one_record+0x46f/0x710 [ 14.838106][ C0] console_unlock+0xee/0x1f0 [ 14.838107][ C0] vprintk_emit+0x37c/0x3e0 [ 14.838108][ C0] _printk+0xc7/0x100 [ 14.838109][ C0] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.838111][ C0] ip_frag_queue+0xeb5/0x1830 [ 14.838112][ C0] ip_defrag+0x2d4/0x7a0 [ 14.838113][ C0] ip_local_deliver+0x171/0x4c0 [ 14.838114][ C0] ip_rcv+0xdc/0x3d0 [ 14.838115][ C0] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.838117][ C0] __netif_receive_skb_one_core+0xa2/0x180 [ 14.838118][ C0] process_backlog+0x431/0x14c0 [ 14.838120][ C0] __napi_poll+0xa7/0x3b0 [ 14.838121][ C0] net_rx_action+0x513/0xf50 [ 14.838123][ C0] handle_softirqs+0x1d3/0x900 [ 14.838126][ C0] do_softirq+0xac/0xe0 [ 14.838127][ C0] __local_bh_enable_ip+0x118/0x150 [ 14.838128][ C0] __dev_queue_xmit+0x989/0x1b90 [ 14.838130][ C0] packet_snd+0xee8/0x1840 [ 14.838132][ C0] __sock_sendmsg+0xce/0x190 [ 14.838135][ C0] __sys_sendto+0x260/0x320 [ 14.838137][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 14.838138][ C0] do_syscall_64+0xff/0x530 [ 14.838140][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.838142][ C0] INITIAL USE at: [ 14.838143][ C0] } [ 14.838143][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 14.838146][ C0] ... acquired at: [ 14.838146][ C0] mark_lock+0x1d7/0xa00 [ 14.838148][ C0] mark_usage+0x42/0x170 [ 14.838149][ C0] __lock_acquire+0x388/0xc20 [ 14.838150][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838151][ C0] console_lock_spinning_enable+0x5c/0x60 [ 14.838153][ C0] console_emit_next_record+0x1d1/0x4c0 [ 14.838154][ C0] console_flush_one_record+0x46f/0x710 [ 14.838156][ C0] console_unlock+0xee/0x1f0 [ 14.838157][ C0] vprintk_emit+0x37c/0x3e0 [ 14.838158][ C0] _printk+0xc7/0x100 [ 14.838159][ C0] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.838160][ C0] ip_frag_queue+0xeb5/0x1830 [ 14.838161][ C0] ip_defrag+0x2d4/0x7a0 [ 14.838162][ C0] ip_local_deliver+0x171/0x4c0 [ 14.838163][ C0] ip_rcv+0xdc/0x3d0 [ 14.838163][ C0] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.838165][ C0] __netif_receive_skb_one_core+0xa2/0x180 [ 14.838166][ C0] process_backlog+0x431/0x14c0 [ 14.838168][ C0] __napi_poll+0xa7/0x3b0 [ 14.838169][ C0] net_rx_action+0x513/0xf50 [ 14.838171][ C0] handle_softirqs+0x1d3/0x900 [ 14.838172][ C0] do_softirq+0xac/0xe0 [ 14.838173][ C0] __local_bh_enable_ip+0x118/0x150 [ 14.838174][ C0] __dev_queue_xmit+0x989/0x1b90 [ 14.838176][ C0] packet_snd+0xee8/0x1840 [ 14.838177][ C0] __sock_sendmsg+0xce/0x190 [ 14.838178][ C0] __sys_sendto+0x260/0x320 [ 14.838179][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 14.838181][ C0] do_syscall_64+0xff/0x530 [ 14.838182][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.838183][ C0] [ 14.838183][ C0] [ 14.838183][ C0] stack backtrace: [ 14.838186][ C0] CPU: 0 UID: 0 PID: 375 Comm: psock_snd Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.838189][ C0] Tainted: [W]=WARN [ 14.838190][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.838192][ C0] Call Trace: [ 14.838193][ C0] [ 14.838194][ C0] dump_stack_lvl+0x6f/0xa0 [ 14.838198][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 14.838200][ C0] mark_lock_irq+0x989/0x9c0 [ 14.838203][ C0] mark_lock+0x1d7/0xa00 [ 14.838205][ C0] mark_usage+0x42/0x170 [ 14.838207][ C0] __lock_acquire+0x388/0xc20 [ 14.838209][ C0] lock_acquire.part.0+0xd4/0x280 [ 14.838210][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 14.838212][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838214][ C0] ? lock_acquire+0x13c/0x160 [ 14.838216][ C0] console_lock_spinning_enable+0x5c/0x60 [ 14.838218][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 14.838220][ C0] console_emit_next_record+0x1d1/0x4c0 [ 14.838222][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 14.838223][ C0] ? console_flush_one_record+0x106/0x710 [ 14.838225][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838226][ C0] ? lock_acquire+0x13c/0x160 [ 14.838228][ C0] console_flush_one_record+0x46f/0x710 [ 14.838231][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 14.838232][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838234][ C0] console_unlock+0xee/0x1f0 [ 14.838236][ C0] ? console_flush_one_record+0x710/0x710 [ 14.838238][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838239][ C0] ? lock_acquire+0xe0/0x160 [ 14.838241][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.838243][ C0] ? vprintk_emit+0x320/0x3e0 [ 14.838244][ C0] vprintk_emit+0x37c/0x3e0 [ 14.838245][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 14.838247][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.838249][ C0] _printk+0xc7/0x100 [ 14.838250][ C0] ? snapshot_read.cold+0x21/0x21 [ 14.838252][ C0] ? ___ratelimit+0x4e7/0xa00 [ 14.838255][ C0] ? idr_get_free+0x830/0x830 [ 14.838257][ C0] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.838259][ C0] ip_frag_queue+0xeb5/0x1830 [ 14.838261][ C0] ip_defrag+0x2d4/0x7a0 [ 14.838262][ C0] ? ip4_obj_hashfn+0x280/0x280 [ 14.838264][ C0] ? ip_route_input_noref+0x137/0x250 [ 14.838266][ C0] ? ip_route_input_slow+0x2420/0x2420 [ 14.838268][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.838270][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838272][ C0] ip_local_deliver+0x171/0x4c0 [ 14.838273][ C0] ? ip_local_deliver_finish+0x610/0x610 [ 14.838277][ C0] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 14.838279][ C0] ? __asan_memset+0x27/0x50 [ 14.838283][ C0] ip_rcv+0xdc/0x3d0 [ 14.838284][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 14.838286][ C0] ? sched_balance_find_src_group+0xda/0x760 [ 14.838288][ C0] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.838291][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.838292][ C0] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.838294][ C0] ? validate_chain+0x38b/0xc20 [ 14.838296][ C0] ? mark_usage+0x61/0x170 [ 14.838297][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838299][ C0] ? do_xdp_generic+0x4a0/0x4a0 [ 14.838301][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 14.838302][ C0] ? find_held_lock+0x2b/0x80 [ 14.838304][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.838306][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.838307][ C0] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.838308][ C0] ? validate_chain+0x38b/0xc20 [ 14.838310][ C0] ? sock_def_readable+0x156/0x480 [ 14.838312][ C0] ? mark_usage+0x61/0x170 [ 14.838313][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838315][ C0] ? process_backlog+0x3f1/0x14c0 [ 14.838317][ C0] __netif_receive_skb_one_core+0xa2/0x180 [ 14.838318][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 14.838320][ C0] ? process_backlog+0x3f1/0x14c0 [ 14.838321][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 14.838323][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838325][ C0] process_backlog+0x431/0x14c0 [ 14.838327][ C0] __napi_poll+0xa7/0x3b0 [ 14.838329][ C0] net_rx_action+0x513/0xf50 [ 14.838332][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838333][ C0] ? __napi_poll+0x3b0/0x3b0 [ 14.838336][ C0] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 14.838340][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838341][ C0] handle_softirqs+0x1d3/0x900 [ 14.838343][ C0] ? _local_bh_enable+0xc0/0xc0 [ 14.838344][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 14.838347][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838348][ C0] ? __dev_queue_xmit+0x974/0x1b90 [ 14.838349][ C0] do_softirq+0xac/0xe0 [ 14.838351][ C0] [ 14.838351][ C0] [ 14.838352][ C0] __local_bh_enable_ip+0x118/0x150 [ 14.838354][ C0] __dev_queue_xmit+0x989/0x1b90 [ 14.838355][ C0] ? _copy_from_iter+0x1bb/0x1810 [ 14.838359][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.838360][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.838362][ C0] ? __might_fault+0x97/0x140 [ 14.838364][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 14.838366][ C0] ? __virtio_net_hdr_to_skb.constprop.0+0x327/0x1440 [ 14.838368][ C0] ? alloc_pg_vec.isra.0+0x540/0x540 [ 14.838369][ C0] ? packet_rcv_spkt+0x5a0/0x5a0 [ 14.838371][ C0] packet_snd+0xee8/0x1840 [ 14.838373][ C0] ? kasan_addr_to_slab+0x41/0x50 [ 14.838375][ C0] ? tpacket_snd+0x1990/0x1990 [ 14.838377][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 14.838378][ C0] ? __might_fault+0x97/0x140 [ 14.838379][ C0] ? find_held_lock+0x2b/0x80 [ 14.838381][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.838383][ C0] __sock_sendmsg+0xce/0x190 [ 14.838384][ C0] ? fdget+0x4f/0x1e0 [ 14.838387][ C0] __sys_sendto+0x260/0x320 [ 14.838389][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 14.838392][ C0] ? fput_close_sync+0xde/0x1b0 [ 14.838395][ C0] ? alloc_file_clone+0xe0/0xe0 [ 14.838397][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 14.838398][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.838401][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 14.838403][ C0] ? do_syscall_64+0xa6/0x530 [ 14.838404][ C0] do_syscall_64+0xff/0x530 [ 14.838406][ C0] ? exc_page_fault+0xee/0x100 [ 14.838407][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.838409][ C0] RIP: 0033:0x7f76e4d8854e [ 14.838412][ 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 [ 14.838413][ C0] RSP: 002b:00007fff10852920 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.838416][ C0] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f76e4d8854e [ 14.838417][ C0] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 14.838418][ C0] RBP: 00007fff10852930 R08: 00007fff10852990 R09: 0000000000000014 [ 14.838419][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 14.838420][ C0] R13: 0000000000000006 R14: 00007f76e4f59000 R15: 0000000000404e00 [ 14.838422][ C0] [ 14.838425][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.838427][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 375, name: psock_snd [ 14.838428][ C0] preempt_count: 103, expected: 0 [ 14.838428][ C0] RCU nest depth: 2, expected: 0 [ 14.838429][ C0] INFO: lockdep is turned off. [ 14.838430][ C0] irq event stamp: 34745 [ 14.838430][ C0] hardirqs last enabled at (34744): [] __down_trylock_console_sem+0x86/0xa0 [ 14.838433][ C0] hardirqs last disabled at (34745): [] console_emit_next_record+0x3d4/0x4c0 [ 14.838435][ C0] softirqs last enabled at (34380): [] __dev_queue_xmit+0x974/0x1b90 [ 14.838437][ C0] softirqs last disabled at (34381): [] do_softirq+0xac/0xe0 [ 14.838438][ C0] Preemption disabled at: [ 14.838439][ C0] [] __dev_queue_xmit+0x20c/0x1b90 [ 14.838442][ C0] CPU: 0 UID: 0 PID: 375 Comm: psock_snd Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.838444][ C0] Tainted: [W]=WARN [ 14.838444][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.838445][ C0] Call Trace: [ 14.838445][ C0] [ 14.838446][ C0] dump_stack_lvl+0x6f/0xa0 [ 14.838448][ C0] ? __dev_queue_xmit+0x20c/0x1b90 [ 14.838450][ C0] __might_resched.cold+0x1fe/0x2c1 [ 14.838452][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.838455][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838456][ C0] __kmalloc_noprof+0x443/0x760 [ 14.838458][ C0] ? __rwlock_init+0x150/0x150 [ 14.838459][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 14.838461][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 14.838463][ C0] alloc_buf.isra.0+0x4b/0x260 [ 14.838465][ C0] put_chars+0x1e1/0x2f0 [ 14.838467][ C0] ? __send_to_port+0x420/0x420 [ 14.838469][ C0] hvc_console_print+0x292/0x780 [ 14.838471][ C0] ? __lock_acquire+0x388/0xc20 [ 14.838474][ C0] ? hvc_write+0x3a0/0x3a0 [ 14.838476][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838477][ C0] ? lock_acquire+0x13c/0x160 [ 14.838479][ C0] console_emit_next_record+0x22f/0x4c0 [ 14.838481][ C0] ? devkmsg_read+0x4b0/0x4b0 [ 14.838483][ C0] ? console_flush_one_record+0x106/0x710 [ 14.838484][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838485][ C0] ? lock_acquire+0x13c/0x160 [ 14.838487][ C0] console_flush_one_record+0x46f/0x710 [ 14.838490][ C0] ? console_emit_next_record+0x4c0/0x4c0 [ 14.838491][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838494][ C0] console_unlock+0xee/0x1f0 [ 14.838495][ C0] ? console_flush_one_record+0x710/0x710 [ 14.838497][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838498][ C0] ? lock_acquire+0xe0/0x160 [ 14.838500][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.838502][ C0] ? vprintk_emit+0x320/0x3e0 [ 14.838503][ C0] vprintk_emit+0x37c/0x3e0 [ 14.838504][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 14.838505][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.838508][ C0] _printk+0xc7/0x100 [ 14.838509][ C0] ? snapshot_read.cold+0x21/0x21 [ 14.838511][ C0] ? ___ratelimit+0x4e7/0xa00 [ 14.838513][ C0] ? idr_get_free+0x830/0x830 [ 14.838515][ C0] ip_frag_reasm.constprop.0.cold+0x10/0x15 [ 14.838516][ C0] ip_frag_queue+0xeb5/0x1830 [ 14.838519][ C0] ip_defrag+0x2d4/0x7a0 [ 14.838520][ C0] ? ip4_obj_hashfn+0x280/0x280 [ 14.838521][ C0] ? ip_route_input_noref+0x137/0x250 [ 14.838523][ C0] ? ip_route_input_slow+0x2420/0x2420 [ 14.838525][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 14.838526][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838528][ C0] ip_local_deliver+0x171/0x4c0 [ 14.838529][ C0] ? ip_local_deliver_finish+0x610/0x610 [ 14.838531][ C0] ? ip_rcv_finish_core+0x6ed/0x14c0 [ 14.838532][ C0] ? __asan_memset+0x27/0x50 [ 14.838534][ C0] ip_rcv+0xdc/0x3d0 [ 14.838535][ C0] ? ip_local_deliver+0x4c0/0x4c0 [ 14.838537][ C0] ? sched_balance_find_src_group+0xda/0x760 [ 14.838538][ C0] __netif_receive_skb_core.constprop.0+0x13b5/0x2bb0 [ 14.838540][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.838542][ C0] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.838543][ C0] ? validate_chain+0x38b/0xc20 [ 14.838545][ C0] ? mark_usage+0x61/0x170 [ 14.838546][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838548][ C0] ? do_xdp_generic+0x4a0/0x4a0 [ 14.838550][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 14.838551][ C0] ? find_held_lock+0x2b/0x80 [ 14.838553][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.838555][ C0] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 14.838556][ C0] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.838557][ C0] ? validate_chain+0x38b/0xc20 [ 14.838559][ C0] ? sock_def_readable+0x156/0x480 [ 14.838560][ C0] ? mark_usage+0x61/0x170 [ 14.838562][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838563][ C0] ? process_backlog+0x3f1/0x14c0 [ 14.838565][ C0] __netif_receive_skb_one_core+0xa2/0x180 [ 14.838567][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 14.838568][ C0] ? process_backlog+0x3f1/0x14c0 [ 14.838570][ C0] ? __netif_receive_skb_list_core+0x9e0/0x9e0 [ 14.838572][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838573][ C0] process_backlog+0x431/0x14c0 [ 14.838576][ C0] __napi_poll+0xa7/0x3b0 [ 14.838578][ C0] net_rx_action+0x513/0xf50 [ 14.838580][ C0] ? __lock_acquire+0x518/0xc20 [ 14.838581][ C0] ? __napi_poll+0x3b0/0x3b0 [ 14.838585][ C0] ? ktime_get_update_offsets_now+0x2a8/0x490 [ 14.838587][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838588][ C0] handle_softirqs+0x1d3/0x900 [ 14.838590][ C0] ? _local_bh_enable+0xc0/0xc0 [ 14.838591][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 14.838593][ C0] ? rcu_is_watching+0x16/0xd0 [ 14.838594][ C0] ? __dev_queue_xmit+0x974/0x1b90 [ 14.838596][ C0] do_softirq+0xac/0xe0 [ 14.838597][ C0] [ 14.838598][ C0] [ 14.838598][ C0] __local_bh_enable_ip+0x118/0x150 [ 14.838600][ C0] __dev_queue_xmit+0x989/0x1b90 [ 14.838601][ C0] ? _copy_from_iter+0x1bb/0x1810 [ 14.838603][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.838605][ C0] ? _copy_from_iter_flushcache+0x1970/0x1970 [ 14.838606][ C0] ? __might_fault+0x97/0x140 [ 14.838607][ C0] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 14.838609][ C0] ? __virtio_net_hdr_to_skb.constprop.0+0x327/0x1440 [ 14.838611][ C0] ? alloc_pg_vec.isra.0+0x540/0x540 [ 14.838612][ C0] ? packet_rcv_spkt+0x5a0/0x5a0 [ 14.838614][ C0] packet_snd+0xee8/0x1840 [ 14.838616][ C0] ? kasan_addr_to_slab+0x41/0x50 [ 14.838618][ C0] ? tpacket_snd+0x1990/0x1990 [ 14.838619][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 14.838620][ C0] ? __might_fault+0x97/0x140 [ 14.838622][ C0] ? find_held_lock+0x2b/0x80 [ 14.838623][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 14.838625][ C0] __sock_sendmsg+0xce/0x190 [ 14.838627][ C0] ? fdget+0x4f/0x1e0 [ 14.838628][ C0] __sys_sendto+0x260/0x320 [ 14.838630][ C0] ? __ia32_sys_getpeername+0xd0/0xd0 [ 14.838633][ C0] ? fput_close_sync+0xde/0x1b0 [ 14.838635][ C0] ? alloc_file_clone+0xe0/0xe0 [ 14.838637][ C0] __x64_sys_sendto+0xe4/0x1f0 [ 14.838639][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 14.838640][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 14.838641][ C0] ? do_syscall_64+0xa6/0x530 [ 14.838643][ C0] do_syscall_64+0xff/0x530 [ 14.838644][ C0] ? exc_page_fault+0xee/0x100 [ 14.838646][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.838647][ C0] RIP: 0033:0x7f76e4d8854e [ 14.838648][ 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 [ 14.838649][ C0] RSP: 002b:00007fff10852920 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.838650][ C0] RAX: ffffffffffffffda RBX: 0000000000010018 RCX: 00007f76e4d8854e [ 14.838651][ C0] RDX: 0000000000010018 RSI: 0000000000415120 RDI: 0000000000000007 [ 14.838652][ C0] RBP: 00007fff10852930 R08: 00007fff10852990 R09: 0000000000000014 [ 14.838652][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000007 [ 14.838653][ C0] R13: 0000000000000006 R14: 00007f76e4f59000 R15: 0000000000404e00 [ 14.838655][ C0]