[ 92.168789] ------------[ cut here ]------------ [ 92.198989] WARNING: CPU: 0 PID: 2015 at kernel/locking/lockdep.c:1119 alloc_netdev_mqs+0xb4/0x3b0 [ 92.230384] Modules linked in: pppoe ppp_async option usb_wwan pppox ppp_generic pl2303 ipt_REJECT ftdi_sio cp210x xt_time xt_tcpudp xt_state xt_recent xt_policy xt_nat xt_multiport xt_mark xt_mac xt_limit xt_helper xt_esp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_MASQUERADE xt_LOG usbserial slhc nf_reject_ipv4 nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_conntrack_rtcache nf_conntrack_netlink nf_conncount iptable_nat iptable_mangle iptable_filter ipt_ah ip_tables cdc_acm tps65217_poweroff xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink ip6table_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_NPT nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT [ 92.230683] x_tables nf_reject_ipv6 ipip tunnel4 ip_tunnel nls_utf8 nls_iso8859_15 ecdh_generic ecc crypto_user algif_skcipher algif_rng algif_hash algif_aead af_alg kpp cmac arc4 usb_storage mii [ 92.559823] CPU: 0 PID: 2015 Comm: netifd Not tainted 5.4.75 #0 [ 92.566083] Hardware name: Generic AM33XX (Flattened Device Tree) [ 92.572538] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 92.580705] [] (show_stack) from [] (dump_stack+0x94/0xa8) [ 92.588324] [] (dump_stack) from [] (__warn+0xbc/0xd8) [ 92.595564] [] (__warn) from [] (warn_slowpath_fmt+0x50/0x94) [ 92.603456] [] (warn_slowpath_fmt) from [] (alloc_netdev_mqs+0xb4/0x3b0) [ 92.612357] [] (alloc_netdev_mqs) from [] (br_add_bridge+0x28/0x70) [ 92.620783] [] (br_add_bridge) from [] (br_ioctl_deviceless_stub+0x20c/0x408) [ 92.630122] [] (br_ioctl_deviceless_stub) from [] (sock_ioctl+0x248/0x5ac) [ 92.639184] [] (sock_ioctl) from [] (do_vfs_ioctl+0xa0/0x918) [ 92.647060] [] (do_vfs_ioctl) from [] (ksys_ioctl+0x5c/0x80) [ 92.654843] [] (ksys_ioctl) from [] (ret_fast_syscall+0x0/0x54) [ 92.662894] Exception stack(0xc0e81fa8 to 0xc0e81ff0) [ 92.668216] 1fa0: b6f01280 b6f012e0 00000008 000089a0 b6f012e0 be992a10 [ 92.676821] 1fc0: b6f01280 b6f012e0 b6f4af20 00000036 be992b38 b6f4adb0 0002e68f b6f4af44 [ 92.685422] 1fe0: 0003fd2c be9929f8 0001e778 b6fa8844 [ 92.845970] ---[ end trace af697b21708fc24a ]--- [ 806.192698] ------------[ cut here ]------------ [ 806.197644] WARNING: CPU: 0 PID: 2606 at kernel/locking/lockdep.c:5188 free_netdev+0xa8/0x108 [ 806.241216] Modules linked in: pppoe ppp_async option usb_wwan pppox ppp_generic pl2303 ipt_REJECT ftdi_sio cp210x xt_time xt_tcpudp xt_state xt_recent xt_policy xt_nat xt_multiport xt_mark xt_mac xt_limit xt_helper xt_esp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_MASQUERADE xt_LOG usbserial slhc nf_reject_ipv4 nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_conntrack_rtcache nf_conntrack_netlink nf_conncount iptable_nat iptable_mangle iptable_filter ipt_ah ip_tables cdc_acm tps65217_poweroff xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink ip6table_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6t_NPT nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT [ 806.241846] x_tables nf_reject_ipv6 ipip tunnel4 ip_tunnel nls_utf8 nls_iso8859_15 ecdh_generic ecc crypto_user algif_skcipher algif_rng algif_hash algif_aead af_alg kpp cmac arc4 usb_storage mii [ 806.483041] CPU: 0 PID: 2606 Comm: pppd Tainted: G W 5.4.75 #0 [ 806.490574] Hardware name: Generic AM33XX (Flattened Device Tree) [ 806.497033] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 806.505196] [] (show_stack) from [] (dump_stack+0x94/0xa8) [ 806.512815] [] (dump_stack) from [] (__warn+0xbc/0xd8) [ 806.520053] [] (__warn) from [] (warn_slowpath_fmt+0x50/0x94) [ 806.527942] [] (warn_slowpath_fmt) from [] (free_netdev+0xa8/0x108) [ 806.536406] [] (free_netdev) from [] (ppp_release+0x84/0x9c [ppp_generic]) [ 806.545575] [] (ppp_release [ppp_generic]) from [] (__fput+0x88/0x220) [ 806.554295] [] (__fput) from [] (task_work_run+0x8c/0xa8) [ 806.561810] [] (task_work_run) from [] (do_work_pending+0xa0/0x528) [ 806.570233] [] (do_work_pending) from [] (slow_work_pending+0xc/0x20) [ 806.578830] Exception stack(0xc3039fb0 to 0xc3039ff8) [ 806.584150] 9fa0: 00000000 00000000 00000000 00000000 [ 806.592754] 9fc0: 00000000 00000000 004d0040 00000006 004d3730 00000004 004e1994 00000000 [ 806.601356] 9fe0: bea26ac8 bea26ab8 b6f45538 b6f449f8 60000010 0000000f [ 806.775231] ---[ end trace af697b21708fc24b ]---