netlink: 'syz-executor1': attribute type 1 has an invalid length. ====================================================== WARNING: possible circular locking dependency detected 4.19.0-rc5+ #243 Not tainted ------------------------------------------------------ syz-executor5/13348 is trying to acquire lock: 00000000ab317af7 ((wq_completion)bond_dev->name){+.+.}, at: flush_workqueue+0x2db/0x1e10 kernel/workqueue.c:2652 but task is already holding lock: 00000000b8d043c5 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] 00000000b8d043c5 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40e/0xc20 net/core/rtnetlink.c:4727 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (rtnl_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1700 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 bond_netdev_notify drivers/net/bonding/bond_main.c:1303 [inline] bond_netdev_notify_work+0x44/0xd0 drivers/net/bonding/bond_main.c:1313 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 -> #1 ((work_completion)(&(&nnw->work)->work)){+.+.}: process_one_work+0xc0a/0x1b90 kernel/workqueue.c:2129 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 kobject: 'loop4' (000000003a79589d): kobject_uevent_env ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 -> #0 ((wq_completion)bond_dev->name){+.+.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 flush_workqueue+0x30a/0x1e10 kernel/workqueue.c:2655 drain_workqueue+0x2a9/0x640 kernel/workqueue.c:2820 destroy_workqueue+0xc6/0x9c0 kernel/workqueue.c:4155 __alloc_workqueue_key+0xed8/0x1170 kernel/workqueue.c:4138 kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' bond_init+0x265/0x940 drivers/net/bonding/bond_main.c:4727 register_netdevice+0x332/0x10f0 net/core/dev.c:8410 bond_newlink+0x49/0xa0 drivers/net/bonding/bond_netlink.c:453 rtnl_newlink+0xec6/0x1d40 net/core/rtnetlink.c:3118 rtnetlink_rcv_msg+0x46a/0xc20 net/core/rtnetlink.c:4730 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2447 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4748 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336 netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 __sys_sendmsg+0x11d/0x280 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: (wq_completion)bond_dev->name --> (work_completion)(&(&nnw->work)->work) --> rtnl_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock((work_completion)(&(&nnw->work)->work)); lock(rtnl_mutex); lock((wq_completion)bond_dev->name); *** DEADLOCK *** 1 lock held by syz-executor5/13348: #0: 00000000b8d043c5 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000b8d043c5 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x40e/0xc20 net/core/rtnetlink.c:4727 stack backtrace: CPU: 1 PID: 13348 Comm: syz-executor5 Not tainted 4.19.0-rc5+ #243 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 print_circular_bug.isra.33.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x33e4/0x4ec0 kernel/locking/lockdep.c:3411 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3900 flush_workqueue+0x30a/0x1e10 kernel/workqueue.c:2655 drain_workqueue+0x2a9/0x640 kernel/workqueue.c:2820 destroy_workqueue+0xc6/0x9c0 kernel/workqueue.c:4155 __alloc_workqueue_key+0xed8/0x1170 kernel/workqueue.c:4138 bond_init+0x265/0x940 drivers/net/bonding/bond_main.c:4727 register_netdevice+0x332/0x10f0 net/core/dev.c:8410 bond_newlink+0x49/0xa0 drivers/net/bonding/bond_netlink.c:453 rtnl_newlink+0xec6/0x1d40 net/core/rtnetlink.c:3118 kobject: 'loop0' (00000000893a8448): kobject_uevent_env rtnetlink_rcv_msg+0x46a/0xc20 net/core/rtnetlink.c:4730 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2447 kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4748 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline] netlink_unicast+0x5a5/0x760 net/netlink/af_netlink.c:1336 kobject: 'loop2' (000000007e801bae): kobject_uevent_env netlink_sendmsg+0xa18/0xfc0 net/netlink/af_netlink.c:1901 kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2116 __sys_sendmsg+0x11d/0x280 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fb53fe22c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000006 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb53fe236d4 R13: 00000000004c38b9 R14: 00000000004d5700 R15: 00000000ffffffff kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'bcsf0' (000000005145b2e5): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'bcsf0' (000000005145b2e5): kobject_uevent_env kobject: 'bcsf0' (000000005145b2e5): fill_kobj_path: path = '/devices/virtual/net/bcsf0' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'queues' (0000000048bc106d): kobject_add_internal: parent: 'bcsf0', set: '' kobject: 'queues' (0000000048bc106d): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (0000000048bc106d): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'rx-0' (00000000b4e8a33e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000b4e8a33e): kobject_uevent_env IPVS: set_ctl: invalid protocol: 44 127.0.0.1:20001 kobject: 'rx-0' (00000000b4e8a33e): fill_kobj_path: path = '/devices/virtual/net/bcsf0/queues/rx-0' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'tx-0' (00000000b87b1b75): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000b87b1b75): kobject_uevent_env kobject: 'tx-0' (00000000b87b1b75): fill_kobj_path: path = '/devices/virtual/net/bcsf0/queues/tx-0' kobject: 'brif' (00000000f4f93eb8): kobject_add_internal: parent: 'bcsf0', set: '' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000893a8448): kobject_uevent_env device team0 entered promiscuous mode kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003a79589d): kobject_uevent_env device team0 left promiscuous mode device team_slave_0 left promiscuous mode kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' device team_slave_1 left promiscuous mode kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' IPVS: set_ctl: invalid protocol: 44 127.0.0.1:20001 kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode kobject: 'loop5' (00000000be660501): kobject_uevent_env device team0 left promiscuous mode kernel msg: ebtables bug: please report to author: EBT_ENTRY_OR_ENTRIES shouldn't be set in distinguisher kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' IPVS: set_ctl: invalid protocol: 58 127.0.0.1:20003 device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env device team_slave_1 entered promiscuous mode kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' device team0 left promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env device team_slave_0 left promiscuous mode kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' device team_slave_1 left promiscuous mode netlink: 'syz-executor4': attribute type 27 has an invalid length. kobject: 'loop1' (00000000430e9545): kobject_uevent_env bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' IPVS: set_ctl: invalid protocol: 58 127.0.0.1:20003 device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode netlink: 'syz-executor4': attribute type 27 has an invalid length. device team_slave_1 entered promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team0 left promiscuous mode kobject: 'loop0' (00000000893a8448): kobject_uevent_env device team_slave_0 left promiscuous mode kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' device team_slave_1 left promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' device team0 entered promiscuous mode kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' device team_slave_0 entered promiscuous mode netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. device team_slave_1 entered promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env device team_slave_1 entered promiscuous mode kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team0 left promiscuous mode device team_slave_0 left promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' device team_slave_1 left promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' sock: process `syz-executor5' is using obsolete getsockopt SO_BSDCOMPAT kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor3': attribute type 11 has an invalid length. netlink: 'syz-executor3': attribute type 11 has an invalid length. device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team_slave_1 entered promiscuous mode device team0 left promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env device team_slave_0 left promiscuous mode kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000be660501): kobject_uevent_env device team_slave_1 left promiscuous mode kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' device team0 entered promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' device team_slave_0 entered promiscuous mode device team_slave_1 entered promiscuous mode kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' device team0 left promiscuous mode device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' device team0 entered promiscuous mode kobject: 'loop2' (000000007e801bae): kobject_uevent_env device team_slave_0 entered promiscuous mode kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' device team_slave_1 entered promiscuous mode kobject: 'loop0' (00000000893a8448): kobject_uevent_env device team0 left promiscuous mode kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' device team_slave_0 left promiscuous mode device team_slave_1 left promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team0 entered promiscuous mode kobject: 'loop1' (00000000430e9545): kobject_uevent_env device team_slave_0 entered promiscuous mode kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' device team_slave_1 entered promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env device team0 left promiscuous mode kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team_slave_0 left promiscuous mode kobject: 'loop4' (000000003a79589d): kobject_uevent_env device team_slave_1 left promiscuous mode kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000893a8448): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' CPU: 1 PID: 13824 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #243 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: 'loop3' (00000000c995da25): kobject_uevent_env __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003a79589d): kobject_uevent_env __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d7/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:513 [inline] packet_mc_add net/packet/af_packet.c:3508 [inline] packet_setsockopt+0x1885/0x23b0 net/packet/af_packet.c:3617 kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (00000000c995da25): kobject_uevent_env __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f284e0b3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f284e0b3c90 RCX: 0000000000457579 RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00007f284e0b46d4 R13: 00000000004c418f R14: 00000000004d6fc0 R15: 0000000000000004 kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000893a8448): kobject_uevent_env device team0 entered promiscuous mode kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' device team_slave_0 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (000000007e801bae): kobject_uevent_env CPU: 1 PID: 13865 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #243 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node+0x56/0x730 mm/slab.c:3642 __alloc_skb+0x119/0x770 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:997 [inline] nlmsg_new include/net/netlink.h:635 [inline] rtmsg_ifinfo_build_skb+0x74/0x190 net/core/rtnetlink.c:3329 rtmsg_ifinfo_event.part.31+0x45/0xe0 net/core/rtnetlink.c:3365 rtmsg_ifinfo_event net/core/rtnetlink.c:3376 [inline] rtmsg_ifinfo+0x8c/0xa0 net/core/rtnetlink.c:3374 __dev_notify_flags+0x2f1/0x480 net/core/dev.c:7482 __dev_set_promiscuity+0x254/0x2e0 net/core/dev.c:7259 dev_set_promiscuity+0x55/0xe0 net/core/dev.c:7279 team_change_rx_flags+0x233/0x4d0 drivers/net/team/team.c:1739 dev_change_rx_flags net/core/dev.c:7212 [inline] __dev_set_promiscuity.cold.169+0x346/0x3d0 net/core/dev.c:7256 dev_set_promiscuity+0x55/0xe0 net/core/dev.c:7279 packet_dev_mc+0x220/0x2a0 net/packet/af_packet.c:3457 packet_mc_add net/packet/af_packet.c:3533 [inline] packet_setsockopt+0x1caf/0x23b0 net/packet/af_packet.c:3617 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f284e0b3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f284e0b3c90 RCX: 0000000000457579 RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00007f284e0b46d4 R13: 00000000004c418f R14: 00000000004d6fc0 R15: 0000000000000004 device team_slave_1 entered promiscuous mode kobject: 'loop3' (00000000c995da25): kobject_uevent_env device team0 left promiscuous mode kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team_slave_0 left promiscuous mode kobject: 'loop2' (000000007e801bae): kobject_uevent_env device team_slave_1 left promiscuous mode kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003a79589d): kobject_uevent_env kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' device team0 entered promiscuous mode kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' device team_slave_0 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13899 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #243 kobject: 'loop2' (000000007e801bae): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x5a/0x740 mm/slab.c:3661 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137 __alloc_skb+0x155/0x770 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:997 [inline] nlmsg_new include/net/netlink.h:635 [inline] rtmsg_ifinfo_build_skb+0x74/0x190 net/core/rtnetlink.c:3329 rtmsg_ifinfo_event.part.31+0x45/0xe0 net/core/rtnetlink.c:3365 rtmsg_ifinfo_event net/core/rtnetlink.c:3376 [inline] rtmsg_ifinfo+0x8c/0xa0 net/core/rtnetlink.c:3374 __dev_notify_flags+0x2f1/0x480 net/core/dev.c:7482 __dev_set_promiscuity+0x254/0x2e0 net/core/dev.c:7259 dev_set_promiscuity+0x55/0xe0 net/core/dev.c:7279 team_change_rx_flags+0x233/0x4d0 drivers/net/team/team.c:1739 dev_change_rx_flags net/core/dev.c:7212 [inline] __dev_set_promiscuity.cold.169+0x346/0x3d0 net/core/dev.c:7256 dev_set_promiscuity+0x55/0xe0 net/core/dev.c:7279 packet_dev_mc+0x220/0x2a0 net/packet/af_packet.c:3457 packet_mc_add net/packet/af_packet.c:3533 [inline] packet_setsockopt+0x1caf/0x23b0 net/packet/af_packet.c:3617 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f284e0b3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f284e0b3c90 RCX: 0000000000457579 RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00007f284e0b46d4 R13: 00000000004c418f R14: 00000000004d6fc0 R15: 0000000000000004 device team_slave_1 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13902 Comm: syz-executor4 Not tainted 4.19.0-rc5+ #243 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d7/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:513 [inline] packet_mc_add net/packet/af_packet.c:3508 [inline] packet_setsockopt+0x1885/0x23b0 net/packet/af_packet.c:3617 __sys_setsockopt+0x1ba/0x3c0 net/socket.c:1902 kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' __do_sys_setsockopt net/socket.c:1913 [inline] __se_sys_setsockopt net/socket.c:1910 [inline] __x64_sys_setsockopt+0xbe/0x150 net/socket.c:1910 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f30fb907c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f30fb907c90 RCX: 0000000000457579 RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 00007f30fb9086d4 R13: 00000000004c418f R14: 00000000004d6fc0 R15: 0000000000000004 device team0 left promiscuous mode device team_slave_0 left promiscuous mode kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' device team_slave_1 left promiscuous mode kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000007e801bae): kobject_uevent_env kobject: 'loop2' (000000007e801bae): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000c995da25): kobject_uevent_env device team0 entered promiscuous mode kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' device team_slave_0 entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (000000003a79589d): kobject_uevent_env CPU: 1 PID: 13944 Comm: syz-executor1 Not tainted 4.19.0-rc5+ #243 kobject: 'loop4' (000000003a79589d): fill_kobj_path: path = '/devices/virtual/block/loop4' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 kobject: 'loop1' (00000000430e9545): kobject_uevent_env kobject: 'loop1' (00000000430e9545): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' __should_failslab+0x124/0x180 mm/failslab.c:32 kobject: 'loop5' (00000000be660501): kobject_uevent_env should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x5a/0x740 mm/slab.c:3661 kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.39+0x41/0xe0 net/core/skbuff.c:137 pskb_expand_head+0x230/0x10f0 net/core/skbuff.c:1460 kobject: 'loop0' (00000000893a8448): kobject_uevent_env kobject: 'loop0' (00000000893a8448): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000c995da25): kobject_uevent_env kobject: 'loop3' (00000000c995da25): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000be660501): kobject_uevent_env kobject: 'loop5' (00000000be660501): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink_trim+0x2ea/0x380 net/netlink/af_netlink.c:1292 netlink_broadcast_filtered+0xf4/0x1680 net/netlink/af_netlink.c:1489 netlink_broadcast net/netlink/af_netlink.c:1534 [inline] nlmsg_multicast include/net/netlink.h:715 [inline] nlmsg_notify+0xa0/0x1a0 net/netlink/af_netlink.c:2490 rtnl_notify net/core/rtnetlink.c:742 [inline] rtmsg_ifinfo_send net/core/rtnetlink.c:3353 [inline] rtmsg_ifinfo_event.part.31+0xb2/0xe0 net/core/rtnetlink.c:3368 rtmsg_ifinfo_event net/core/rtnetlink.c:3376 [inline] rtmsg_ifinfo+0x8c/0xa0 net/core/rtnetlink.c:3374 __dev_notify_flags+0x2f1/0x480 net/core/dev.c:7482