executing program executing program BUG: memory leak unreferenced object 0xffff8881186cce00 (size 32): comm "syz-executor748", pid 6647, jiffies 4294942497 (age 13.690s) hex dump (first 32 bytes): 80 a8 64 84 ff ff ff ff e8 9f b4 83 ff ff ff ff ..d............. 00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 00 00 ........_t:s0... backtrace: [<00000000bd7a8982>] kmalloc include/linux/slab.h:555 [inline] [<00000000bd7a8982>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline] [<00000000bd7a8982>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline] [<00000000bd7a8982>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline] [<00000000bd7a8982>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735 [<00000000f324de34>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469 [<00000000a27de9d8>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 [<00000000b878d9b2>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<00000000b878d9b2>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<0000000053484ecc>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<0000000093052bbb>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000093052bbb>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<00000000888d412b>] ____sys_sendmsg+0x2c0/0x2f0 net/socket.c:2362 [<000000000bf8de2a>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2416 [<00000000855a0618>] __sys_sendmsg+0x77/0xe0 net/socket.c:2449 [<00000000cbc89820>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<000000002b1e69a6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9