program: r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) connect$inet6(r0, &(0x7f0000000180)={0xa, 0x4001, 0x1, @dev={0xfe, 0x80, '\x00', 0x39}, 0x3e}, 0x1c) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000040)=[{0x6, 0x0, 0x37, 0x7fffffff}]}) syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)=ANY=[@ANYBLOB="120100007a982a08cd0ca310a223010203170902"], 0x0) close_range(r1, 0xffffffffffffffff, 0x0) [ 87.484945][ T45] Bluetooth: hci0: command tx timeout [ 88.002764][ T1359] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 88.171533][ T1359] usb 5-1: Using ep0 maxpacket: 8 [ 88.175397][ T1359] usb 5-1: too many configurations: 23, using maximum allowed: 8 [ 88.180708][ T1359] usb 5-1: config 0 has no interfaces? [ 88.185685][ T1359] usb 5-1: config 0 has no interfaces? [ 88.190266][ T1359] usb 5-1: config 0 has no interfaces? [ 88.194617][ T1359] usb 5-1: config 0 has no interfaces? [ 88.199167][ T1359] usb 5-1: config 0 has no interfaces? [ 88.204352][ T1359] usb 5-1: config 0 has no interfaces? [ 88.207298][ T1359] usb 5-1: config 0 has no interfaces? [ 88.210601][ T1359] usb 5-1: config 0 has no interfaces? [ 88.216593][ T1359] usb 5-1: New USB device found, idVendor=0ccd, idProduct=10a3, bcdDevice=23.a2 [ 88.220541][ T1359] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 88.226392][ T1359] usb 5-1: Product: syz [ 88.228374][ T1359] usb 5-1: Manufacturer: syz [ 88.230522][ T1359] usb 5-1: SerialNumber: syz [ 88.239232][ T1359] usb 5-1: config 0 descriptor?? [ 88.451269][ T9] usb 5-1: USB disconnect, device number 2 [ 88.761841][ C0] [ 88.762980][ C0] ================================ [ 88.765133][ C0] WARNING: inconsistent lock state [ 88.767356][ C0] syzkaller #0 Not tainted [ 88.769211][ C0] -------------------------------- [ 88.771432][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 88.774376][ C0] kworker/u4:6/146 [HC0[0]:SC1[3]:HE1:SE0] takes: [ 88.777090][ C0] ffff88804157aa20 (k-sk_lock-AF_INET6){+.?.}-{0:0}, at: inet6_getname+0x1c8/0x740 [ 88.781274][ C0] {SOFTIRQ-ON-W} state was registered at: [ 88.784862][ C0] lock_acquire+0xf0/0x2e0 [ 88.787031][ C0] lock_sock_nested+0x48/0x100 [ 88.789187][ C0] tcp_sock_set_nodelay+0x2a/0x180 [ 88.791469][ C0] rds_tcp_listen_init+0x168/0x410 [ 88.793847][ C0] rds_tcp_init_net+0x154/0x380 [ 88.796056][ C0] ops_init+0x35c/0x5c0 [ 88.797898][ C0] register_pernet_operations+0x343/0x830 [ 88.800465][ C0] register_pernet_device+0x2a/0x80 [ 88.802713][ C0] rds_tcp_init+0xcf/0x170 [ 88.804793][ C0] do_one_initcall+0x250/0x8d0 [ 88.806976][ C0] do_initcall_level+0x104/0x190 [ 88.809238][ C0] do_initcalls+0x59/0xa0 [ 88.811176][ C0] kernel_init_freeable+0x2a6/0x3e0 [ 88.813516][ C0] kernel_init+0x1d/0x1d0 [ 88.815500][ C0] ret_from_fork+0x51e/0xb90 [ 88.817585][ C0] ret_from_fork_asm+0x1a/0x30 [ 88.819738][ C0] irq event stamp: 129340 [ 88.821523][ C0] hardirqs last enabled at (129340): [] _raw_spin_unlock_irqrestore+0x30/0x80 [ 88.825375][ C0] hardirqs last disabled at (129339): [] _raw_spin_lock_irqsave+0x1a/0x60 [ 88.829170][ C0] softirqs last enabled at (129320): [] __dev_queue_xmit+0x274/0x38a0 [ 88.833450][ C0] softirqs last disabled at (129321): [] do_softirq+0x76/0xd0 [ 88.837156][ C0] [ 88.837156][ C0] other info that might help us debug this: [ 88.840650][ C0] Possible unsafe locking scenario: [ 88.840650][ C0] [ 88.843849][ C0] CPU0 [ 88.845234][ C0] ---- [ 88.846681][ C0] lock(k-sk_lock-AF_INET6); [ 88.848669][ C0] [ 88.850274][ C0] lock(k-sk_lock-AF_INET6); [ 88.852386][ C0] [ 88.852386][ C0] *** DEADLOCK *** [ 88.852386][ C0] [ 88.855632][ C0] 10 locks held by kworker/u4:6/146: [ 88.857770][ C0] #0: ffff888042b83948 ((wq_completion)krds_cp_wq#0/0){+.+.}-{0:0}, at: process_scheduled_works+0x9ea/0x1830 [ 88.862752][ C0] #1: ffffc9000163fc40 ((work_completion)(&(&cp->cp_send_w)->work)){+.+.}-{0:0}, at: process_scheduled_works+0xa25/0x1830 [ 88.868191][ C0] #2: ffff88804157b760 (k-sk_lock-AF_INET6){+.?.}-{0:0}, at: tcp_sock_set_cork+0x2c/0x2e0 [ 88.872773][ C0] #3: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: inet6_csk_xmit+0x110/0x6c0 [ 88.876849][ C0] #4: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: ip6_xmit+0x283/0x1980 [ 88.880886][ C0] #5: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x126/0x550 [ 88.884936][ C0] #6: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x3eb/0x1950 [ 88.889133][ C0] #7: ffffffff8e7602e0 (rcu_read_lock){....}-{1:3}, at: ip6_input+0x23/0x270 [ 88.893009][ C0] #8: ffff88804157a9a0 (k-slock-AF_INET6/1){+.-.}-{3:3}, at: tcp_v6_rcv+0x2577/0x2f60 [ 88.897114][ C0] #9: ffff88804157abc8 (k-clock-AF_INET6){++.-}-{3:3}, at: rds_tcp_data_ready+0x113/0x9a0 [ 88.901486][ C0] [ 88.901486][ C0] stack backtrace: [ 88.903984][ C0] CPU: 0 UID: 0 PID: 146 Comm: kworker/u4:6 Not tainted syzkaller #0 PREEMPT(full) [ 88.904000][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 88.904008][ C0] Workqueue: krds_cp_wq#0/0 rds_send_worker [ 88.904085][ C0] Call Trace: [ 88.904094][ C0] [ 88.904099][ C0] dump_stack_lvl+0xe8/0x150 [ 88.904114][ C0] print_usage_bug+0x28b/0x2e0 [ 88.904127][ C0] mark_lock_irq+0x410/0x420 [ 88.904139][ C0] ? lockdep_hardirqs_on+0x7a/0x110 [ 88.904153][ C0] ? enqueue_to_backlog+0x6ba/0xee0 [ 88.904169][ C0] mark_lock+0x115/0x190 [ 88.904182][ C0] __lock_acquire+0x689/0x2cf0 [ 88.904195][ C0] ? __lock_acquire+0x6b5/0x2cf0 [ 88.904206][ C0] ? unwind_next_frame+0xa5/0x23c0 [ 88.904216][ C0] lock_acquire+0xf0/0x2e0 [ 88.904223][ C0] ? inet6_getname+0x1c8/0x740 [ 88.904231][ C0] lock_sock_nested+0x48/0x100 [ 88.904243][ C0] ? inet6_getname+0x1c8/0x740 [ 88.904251][ C0] inet6_getname+0x1c8/0x740 [ 88.904262][ C0] ? __pfx_inet6_getname+0x10/0x10 [ 88.904273][ C0] rds_tcp_conn_slots_available+0x288/0x470 [ 88.904285][ C0] ? __pfx_rds_tcp_conn_slots_available+0x10/0x10 [ 88.904297][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 88.904311][ C0] ? __pfx_rds_tcp_conn_slots_available+0x10/0x10 [ 88.904321][ C0] rds_recv_hs_exthdrs+0x60f/0x7c0 [ 88.904329][ C0] ? NF_HOOK+0x336/0x3c0 [ 88.904337][ C0] ? ip6_input+0x16a/0x270 [ 88.904344][ C0] ? NF_HOOK+0x336/0x3c0 [ 88.904352][ C0] ? rds_recv_hs_exthdrs+0x161/0x7c0 [ 88.904358][ C0] ? __tcp_transmit_skb+0x24b5/0x4400 [ 88.904367][ C0] ? tcp_write_xmit+0x16e8/0x6980 [ 88.904376][ C0] ? __pfx_rds_recv_hs_exthdrs+0x10/0x10 [ 88.904386][ C0] ? rds_send_worker+0x7d/0x2e0 [ 88.904396][ C0] ? worker_thread+0xa50/0xfc0 [ 88.904408][ C0] ? ret_from_fork+0x51e/0xb90 [ 88.904423][ C0] rds_recv_incoming+0x9f6/0x12d0 [ 88.904436][ C0] ? __pfx_rds_recv_incoming+0x10/0x10 [ 88.904447][ C0] ? skb_copy_bits+0x7e5/0x8f0 [ 88.904458][ C0] rds_tcp_data_recv+0x7f1/0xa40 [ 88.904469][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 88.904484][ C0] __tcp_read_sock+0x196/0x970 [ 88.904500][ C0] ? __pfx_rds_tcp_data_recv+0x10/0x10 [ 88.904511][ C0] rds_tcp_data_ready+0x369/0x9a0 [ 88.904521][ C0] ? __pfx_sock_def_readable+0x10/0x10 [ 88.904534][ C0] ? __pfx_rds_tcp_data_ready+0x10/0x10 [ 88.904542][ C0] tcp_data_queue+0x1e2e/0x5e50 [ 88.904553][ C0] ? tcp_urg+0x106/0x410 [ 88.904561][ C0] ? __pfx_tcp_data_queue+0x10/0x10 [ 88.904569][ C0] ? __pfx_tcp_urg+0x10/0x10 [ 88.904579][ C0] ? kvm_clock_get_cycles+0x47/0x60 [ 88.904587][ C0] ? tcp_ecn_received_counters+0x2b7/0x7f0 [ 88.904599][ C0] tcp_rcv_established+0xf45/0x2740 [ 88.904612][ C0] ? __pfx_tcp_rcv_established+0x10/0x10 [ 88.904625][ C0] ? ip6_dst_check+0xe2/0x7e0 [ 88.904636][ C0] ? ip6_dst_check+0x5e3/0x7e0 [ 88.904646][ C0] ? __pfx_ip6_dst_check+0x10/0x10 [ 88.904657][ C0] tcp_v6_do_rcv+0x8eb/0x1ba0 [ 88.904673][ C0] tcp_v6_rcv+0x2653/0x2f60 [ 88.904687][ C0] ? __pfx_tcp_v6_rcv+0x10/0x10 [ 88.904701][ C0] ? nf_nat_ipv6_fn+0xf3/0x2f0 [ 88.904712][ C0] ? __pfx_nf_nat_ipv6_fn+0x10/0x10 [ 88.904721][ C0] ? raw6_local_deliver+0x116/0x950 [ 88.904736][ C0] ? __pfx_tcp_v6_rcv+0x10/0x10 [ 88.904744][ C0] ip6_protocol_deliver_rcu+0xa73/0x1600 [ 88.904758][ C0] ip6_input_finish+0x191/0x370 [ 88.904767][ C0] NF_HOOK+0x336/0x3c0 [ 88.904774][ C0] ? ip6_dst_check+0xe2/0x7e0 [ 88.904781][ C0] ? __pfx_ip6_input_finish+0x10/0x10 [ 88.904788][ C0] ? NF_HOOK+0x9e/0x3c0 [ 88.904795][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 88.904803][ C0] ? __pfx_ip6_input_finish+0x10/0x10 [ 88.904812][ C0] ip6_input+0x16a/0x270 [ 88.904820][ C0] ? ip6_input+0x23/0x270 [ 88.904832][ C0] NF_HOOK+0x336/0x3c0 [ 88.904863][ C0] ? __pfx_tcp_wfree+0x10/0x10 [ 88.904872][ C0] ? skb_orphan+0x4f/0xd0 [ 88.904885][ C0] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 88.904897][ C0] ? NF_HOOK+0x9e/0x3c0 [ 88.904908][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 88.904916][ C0] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 88.904925][ C0] ? process_backlog+0x3eb/0x1950 [ 88.904932][ C0] process_backlog+0x7dd/0x1950 [ 88.904941][ C0] __napi_poll+0xae/0x340 [ 88.904948][ C0] ? skb_defer_free_flush+0x233/0x260 [ 88.904955][ C0] net_rx_action+0x627/0xf70 [ 88.904967][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 88.904980][ C0] handle_softirqs+0x22a/0x870 [ 88.904993][ C0] ? do_softirq+0x76/0xd0 [ 88.905006][ C0] ? __dev_queue_xmit+0x274/0x38a0 [ 88.905019][ C0] do_softirq+0x76/0xd0 [ 88.905031][ C0] [ 88.905035][ C0] [ 88.905039][ C0] __local_bh_enable_ip+0xf8/0x130 [ 88.905050][ C0] ? __dev_queue_xmit+0x274/0x38a0 [ 88.905060][ C0] __dev_queue_xmit+0x1e6c/0x38a0 [ 88.905073][ C0] ? __dev_queue_xmit+0x274/0x38a0 [ 88.905086][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 88.905098][ C0] ? neigh_resolve_output+0x438/0x750 [ 88.905109][ C0] ? eth_header+0x11b/0x200 [ 88.905122][ C0] ? __asan_memcpy+0x40/0x70 [ 88.905135][ C0] ? eth_header+0x11b/0x200 [ 88.905161][ C0] ? __pfx_eth_header+0x10/0x10 [ 88.905171][ C0] ? neigh_resolve_output+0x624/0x750 [ 88.905182][ C0] ip6_finish_output+0x25c/0x610 [ 88.905194][ C0] ? ip6_output+0x126/0x550 [ 88.905205][ C0] ip6_output+0x340/0x550 [ 88.905216][ C0] ip6_xmit+0x1149/0x1980 [ 88.905229][ C0] ? ip6_xmit+0x283/0x1980 [ 88.905240][ C0] ? __pfx_ip6_xmit+0x10/0x10 [ 88.905250][ C0] ? __pfx_ip6_dst_check+0x10/0x10 [ 88.905260][ C0] inet6_csk_xmit+0x3bd/0x6c0 [ 88.905274][ C0] ? inet6_csk_xmit+0x110/0x6c0 [ 88.905291][ C0] ? __pfx_inet6_csk_xmit+0x10/0x10 [ 88.905303][ C0] __tcp_transmit_skb+0x24b5/0x4400 [ 88.905319][ C0] ? __pfx___tcp_transmit_skb+0x10/0x10 [ 88.905333][ C0] ? tcp_small_queue_check+0x1c1/0x3b0 [ 88.905342][ C0] tcp_write_xmit+0x16e8/0x6980 [ 88.905362][ C0] __tcp_push_pending_frames+0x97/0x380 [ 88.905373][ C0] tcp_sock_set_cork+0x186/0x2e0 [ 88.905386][ C0] ? __pfx_rds_tcp_xmit_path_complete+0x10/0x10 [ 88.905397][ C0] rds_send_xmit+0x207e/0x28d0 [ 88.905415][ C0] ? __pfx_rds_send_xmit+0x10/0x10 [ 88.905429][ C0] rds_send_worker+0x7d/0x2e0 [ 88.905440][ C0] ? process_scheduled_works+0xa25/0x1830 [ 88.905453][ C0] process_scheduled_works+0xb02/0x1830 [ 88.905469][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 88.905481][ C0] ? assign_work+0x3d5/0x5e0 [ 88.905492][ C0] worker_thread+0xa50/0xfc0 [ 88.905511][ C0] kthread+0x388/0x470 [ 88.905521][ C0] ? __pfx_worker_thread+0x10/0x10 [ 88.905532][ C0] ? __pfx_kthread+0x10/0x10 [ 88.905541][ C0] ret_from_fork+0x51e/0xb90 [ 88.905554][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 88.905564][ C0] ? __switch_to+0xc7d/0x1450 [ 88.905577][ C0] ? __pfx_kthread+0x10/0x10 [ 88.905586][ C0] ret_from_fork_asm+0x1a/0x30 [ 88.905611][ C0] [ 89.211726][ C0] BUG: sleeping function called from invalid context at net/core/sock.c:3782 [ 89.215684][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 146, name: kworker/u4:6 [ 89.219776][ C0] preempt_count: 303, expected: 0 [ 89.222048][ C0] RCU nest depth: 5, expected: 0 [ 89.224208][ C0] INFO: lockdep is turned off. [ 89.226382][ C0] Preemption disabled at: [ 89.226389][ C0] [] __dev_queue_xmit+0x281/0x38a0 [ 89.231475][ C0] CPU: 0 UID: 0 PID: 146 Comm: kworker/u4:6 Not tainted syzkaller #0 PREEMPT(full) [ 89.231492][ C0] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 89.231524][ C0] Workqueue: krds_cp_wq#0/0 rds_send_worker [ 89.231548][ C0] Call Trace: [ 89.231557][ C0] [ 89.231564][ C0] dump_stack_lvl+0xe8/0x150 [ 89.231584][ C0] __might_resched+0x378/0x4d0 [ 89.231601][ C0] ? __dev_queue_xmit+0x281/0x38a0 [ 89.231617][ C0] lock_sock_nested+0x5d/0x100 [ 89.231635][ C0] inet6_getname+0x1c8/0x740 [ 89.231650][ C0] ? __pfx_inet6_getname+0x10/0x10 [ 89.231662][ C0] rds_tcp_conn_slots_available+0x288/0x470 [ 89.231676][ C0] ? __pfx_rds_tcp_conn_slots_available+0x10/0x10 [ 89.231715][ C0] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 89.231733][ C0] ? __pfx_rds_tcp_conn_slots_available+0x10/0x10 [ 89.231743][ C0] rds_recv_hs_exthdrs+0x60f/0x7c0 [ 89.231756][ C0] ? NF_HOOK+0x336/0x3c0 [ 89.231770][ C0] ? ip6_input+0x16a/0x270 [ 89.231783][ C0] ? NF_HOOK+0x336/0x3c0 [ 89.231798][ C0] ? rds_recv_hs_exthdrs+0x161/0x7c0 [ 89.231810][ C0] ? __tcp_transmit_skb+0x24b5/0x4400 [ 89.231825][ C0] ? tcp_write_xmit+0x16e8/0x6980 [ 89.231837][ C0] ? __pfx_rds_recv_hs_exthdrs+0x10/0x10 [ 89.231849][ C0] ? rds_send_worker+0x7d/0x2e0 [ 89.231862][ C0] ? worker_thread+0xa50/0xfc0 [ 89.231877][ C0] ? ret_from_fork+0x51e/0xb90 [ 89.231893][ C0] rds_recv_incoming+0x9f6/0x12d0 [ 89.231908][ C0] ? __pfx_rds_recv_incoming+0x10/0x10 [ 89.231919][ C0] ? skb_copy_bits+0x7e5/0x8f0 [ 89.231934][ C0] rds_tcp_data_recv+0x7f1/0xa40 [ 89.231946][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 89.231964][ C0] __tcp_read_sock+0x196/0x970 [ 89.231981][ C0] ? __pfx_rds_tcp_data_recv+0x10/0x10 [ 89.231999][ C0] rds_tcp_data_ready+0x369/0x9a0 [ 89.232011][ C0] ? __pfx_sock_def_readable+0x10/0x10 [ 89.232025][ C0] ? __pfx_rds_tcp_data_ready+0x10/0x10 [ 89.232040][ C0] tcp_data_queue+0x1e2e/0x5e50 [ 89.232059][ C0] ? tcp_urg+0x106/0x410 [ 89.232073][ C0] ? __pfx_tcp_data_queue+0x10/0x10 [ 89.232087][ C0] ? __pfx_tcp_urg+0x10/0x10 [ 89.232100][ C0] ? kvm_clock_get_cycles+0x47/0x60 [ 89.232112][ C0] ? tcp_ecn_received_counters+0x2b7/0x7f0 [ 89.232128][ C0] tcp_rcv_established+0xf45/0x2740 [ 89.232145][ C0] ? __pfx_tcp_rcv_established+0x10/0x10 [ 89.232160][ C0] ? ip6_dst_check+0xe2/0x7e0 [ 89.232172][ C0] ? ip6_dst_check+0x5e3/0x7e0 [ 89.232184][ C0] ? __pfx_ip6_dst_check+0x10/0x10 [ 89.232195][ C0] tcp_v6_do_rcv+0x8eb/0x1ba0 [ 89.232215][ C0] tcp_v6_rcv+0x2653/0x2f60 [ 89.232233][ C0] ? __pfx_tcp_v6_rcv+0x10/0x10 [ 89.232242][ C0] ? nf_nat_ipv6_fn+0xf3/0x2f0 [ 89.232254][ C0] ? __pfx_nf_nat_ipv6_fn+0x10/0x10 [ 89.232264][ C0] ? raw6_local_deliver+0x116/0x950 [ 89.232279][ C0] ? __pfx_tcp_v6_rcv+0x10/0x10 [ 89.232289][ C0] ip6_protocol_deliver_rcu+0xa73/0x1600 [ 89.232309][ C0] ip6_input_finish+0x191/0x370 [ 89.232325][ C0] NF_HOOK+0x336/0x3c0 [ 89.232339][ C0] ? ip6_dst_check+0xe2/0x7e0 [ 89.232350][ C0] ? __pfx_ip6_input_finish+0x10/0x10 [ 89.232364][ C0] ? NF_HOOK+0x9e/0x3c0 [ 89.232377][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 89.232391][ C0] ? __pfx_ip6_input_finish+0x10/0x10 [ 89.232408][ C0] ip6_input+0x16a/0x270 [ 89.232422][ C0] ? ip6_input+0x23/0x270 [ 89.232436][ C0] NF_HOOK+0x336/0x3c0 [ 89.232449][ C0] ? __pfx_tcp_wfree+0x10/0x10 [ 89.232459][ C0] ? skb_orphan+0x4f/0xd0 [ 89.232472][ C0] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 89.232486][ C0] ? NF_HOOK+0x9e/0x3c0 [ 89.232499][ C0] ? __pfx_NF_HOOK+0x10/0x10 [ 89.232514][ C0] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 89.232529][ C0] ? process_backlog+0x3eb/0x1950 [ 89.232541][ C0] process_backlog+0x7dd/0x1950 [ 89.232557][ C0] __napi_poll+0xae/0x340 [ 89.232567][ C0] ? skb_defer_free_flush+0x233/0x260 [ 89.232578][ C0] net_rx_action+0x627/0xf70 [ 89.232593][ C0] ? __pfx_net_rx_action+0x10/0x10 [ 89.232610][ C0] handle_softirqs+0x22a/0x870 [ 89.232625][ C0] ? do_softirq+0x76/0xd0 [ 89.232639][ C0] ? __dev_queue_xmit+0x274/0x38a0 [ 89.232652][ C0] do_softirq+0x76/0xd0 [ 89.232666][ C0] [ 89.232670][ C0] [ 89.232674][ C0] __local_bh_enable_ip+0xf8/0x130 [ 89.232688][ C0] ? __dev_queue_xmit+0x274/0x38a0 [ 89.232701][ C0] __dev_queue_xmit+0x1e6c/0x38a0 [ 89.232717][ C0] ? __dev_queue_xmit+0x274/0x38a0 [ 89.232733][ C0] ? __pfx___dev_queue_xmit+0x10/0x10 [ 89.232744][ C0] ? neigh_resolve_output+0x438/0x750 [ 89.232761][ C0] ? eth_header+0x11b/0x200 [ 89.232779][ C0] ? __asan_memcpy+0x40/0x70 [ 89.232794][ C0] ? eth_header+0x11b/0x200 [ 89.232807][ C0] ? __pfx_eth_header+0x10/0x10 [ 89.232818][ C0] ? neigh_resolve_output+0x624/0x750 [ 89.232832][ C0] ip6_finish_output+0x25c/0x610 [ 89.232849][ C0] ? ip6_output+0x126/0x550 [ 89.232861][ C0] ip6_output+0x340/0x550 [ 89.232873][ C0] ip6_xmit+0x1149/0x1980 [ 89.232887][ C0] ? ip6_xmit+0x283/0x1980 [ 89.232900][ C0] ? __pfx_ip6_xmit+0x10/0x10 [ 89.232914][ C0] ? __pfx_ip6_dst_check+0x10/0x10 [ 89.232926][ C0] inet6_csk_xmit+0x3bd/0x6c0 [ 89.232942][ C0] ? inet6_csk_xmit+0x110/0x6c0 [ 89.232957][ C0] ? __pfx_inet6_csk_xmit+0x10/0x10 [ 89.232971][ C0] __tcp_transmit_skb+0x24b5/0x4400 [ 89.232995][ C0] ? __pfx___tcp_transmit_skb+0x10/0x10 [ 89.233011][ C0] ? tcp_small_queue_check+0x1c1/0x3b0 [ 89.233024][ C0] tcp_write_xmit+0x16e8/0x6980 [ 89.233045][ C0] __tcp_push_pending_frames+0x97/0x380 [ 89.233059][ C0] tcp_sock_set_cork+0x186/0x2e0 [ 89.233075][ C0] ? __pfx_rds_tcp_xmit_path_complete+0x10/0x10 [ 89.233087][ C0] rds_send_xmit+0x207e/0x28d0 [ 89.233107][ C0] ? __pfx_rds_send_xmit+0x10/0x10 [ 89.233122][ C0] rds_send_worker+0x7d/0x2e0 [ 89.233135][ C0] ? process_scheduled_works+0xa25/0x1830 [ 89.233149][ C0] process_scheduled_works+0xb02/0x1830 [ 89.233169][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 89.233183][ C0] ? assign_work+0x3d5/0x5e0 [ 89.233196][ C0] worker_thread+0xa50/0xfc0 [ 89.233215][ C0] kthread+0x388/0x470 [ 89.233226][ C0] ? __pfx_worker_thread+0x10/0x10 [ 89.233238][ C0] ? __pfx_kthread+0x10/0x10 [ 89.233248][ C0] ret_from_fork+0x51e/0xb90 [ 89.233262][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 89.233275][ C0] ? __switch_to+0xc7d/0x1450 [ 89.233289][ C0] ? __pfx_kthread+0x10/0x10 [ 89.233299][ C0] ret_from_fork_asm+0x1a/0x30 [ 89.233319][ C0]