2019/12/06 19:25:16 executed programs: 1 BUG: memory leak unreferenced object 0xffff888121b64380 (size 64): comm "syz-executor.0", pid 7143, jiffies 4294948985 (age 12.680s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 90 43 b6 21 81 88 ff ff 90 43 b6 21 81 88 ff ff .C.!.....C.!.... backtrace: [<00000000681c6a2e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000681c6a2e>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000681c6a2e>] slab_alloc mm/slab.c:3320 [inline] [<00000000681c6a2e>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3549 [<000000005893c8f4>] kmalloc include/linux/slab.h:556 [inline] [<000000005893c8f4>] netdev_name_node_alloc+0x2a/0x70 net/core/dev.c:237 [<00000000778b3824>] netdev_name_node_head_alloc net/core/dev.c:251 [inline] [<00000000778b3824>] register_netdevice+0xaf/0x650 net/core/dev.c:9239 [<00000000c3941f88>] bond_newlink drivers/net/bonding/bond_netlink.c:458 [inline] [<00000000c3941f88>] bond_newlink+0x41/0x80 drivers/net/bonding/bond_netlink.c:448 [<0000000080f64593>] __rtnl_newlink+0x89a/0xb80 net/core/rtnetlink.c:3303 [<000000008b244457>] rtnl_newlink+0x4e/0x80 net/core/rtnetlink.c:3361 [<00000000139edd64>] rtnetlink_rcv_msg+0x178/0x4b0 net/core/rtnetlink.c:5422 [<000000007ce73173>] netlink_rcv_skb+0x61/0x170 net/netlink/af_netlink.c:2477 [<0000000031bf85fa>] rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5440 [<00000000859af701>] netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] [<00000000859af701>] netlink_unicast+0x223/0x310 net/netlink/af_netlink.c:1328 [<00000000c1480329>] netlink_sendmsg+0x2c0/0x570 net/netlink/af_netlink.c:1917 [<00000000f2415eb5>] sock_sendmsg_nosec net/socket.c:639 [inline] [<00000000f2415eb5>] sock_sendmsg+0x54/0x70 net/socket.c:659 [<000000005f9e2bd2>] ____sys_sendmsg+0x2d0/0x300 net/socket.c:2330 [<000000009a77d4fd>] ___sys_sendmsg+0x9c/0x100 net/socket.c:2384 [<000000008ce8fc13>] __sys_sendmsg+0x80/0xf0 net/socket.c:2430 [<0000000026ffd969>] __do_sys_sendmsg net/socket.c:2439 [inline] [<0000000026ffd969>] __se_sys_sendmsg net/socket.c:2437 [inline] [<0000000026ffd969>] __x64_sys_sendmsg+0x23/0x30 net/socket.c:2437