executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff88811895c340 (size 32): comm "syz-executor581", pid 6622, jiffies 4294945090 (age 13.250s) hex dump (first 32 bytes): 00 a9 64 84 ff ff ff ff e0 a6 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: [<00000000537a1883>] kmalloc include/linux/slab.h:555 [inline] [<00000000537a1883>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline] [<00000000537a1883>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline] [<00000000537a1883>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline] [<00000000537a1883>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735 [<00000000c5f2a568>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469 [<0000000049433493>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 [<000000004846f3d9>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000004846f3d9>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<00000000f214c7b8>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<00000000ef6ab362>] sock_sendmsg_nosec net/socket.c:652 [inline] [<00000000ef6ab362>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000033036950>] ____sys_sendmsg+0x2c0/0x2f0 net/socket.c:2362 [<00000000ffe7649f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2416 [<00000000b6cadadc>] __sys_sendmsg+0x77/0xe0 net/socket.c:2449 [<0000000090a4ccf2>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<00000000ff626be3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9