Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. executing program executing program executing program BUG: memory leak unreferenced object 0xffff88811a1ab1e0 (size 32): comm "syz-executor105", pid 6583, jiffies 4294943938 (age 13.580s) hex dump (first 32 bytes): c0 63 64 84 ff ff ff ff a0 25 b4 83 ff ff ff ff .cd......%...... 00 00 00 00 00 00 00 00 5f 74 3a 73 30 00 00 00 ........_t:s0... backtrace: [<00000000b87bf91a>] kmalloc include/linux/slab.h:555 [inline] [<00000000b87bf91a>] genl_dumpit_info_alloc net/netlink/genetlink.c:463 [inline] [<00000000b87bf91a>] genl_family_rcv_msg_dumpit net/netlink/genetlink.c:598 [inline] [<00000000b87bf91a>] genl_family_rcv_msg net/netlink/genetlink.c:715 [inline] [<00000000b87bf91a>] genl_rcv_msg+0x360/0x520 net/netlink/genetlink.c:735 [<000000009f7a7134>] netlink_rcv_skb+0x5a/0x180 net/netlink/af_netlink.c:2469 [<000000007dcfd4af>] genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 [<000000007edef001>] netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] [<000000007edef001>] netlink_unicast+0x20a/0x2f0 net/netlink/af_netlink.c:1329 [<000000007a80023e>] netlink_sendmsg+0x2b5/0x560 net/netlink/af_netlink.c:1918 [<0000000098759d75>] sock_sendmsg_nosec net/socket.c:652 [inline] [<0000000098759d75>] sock_sendmsg+0x4c/0x60 net/socket.c:672 [<0000000088516ff8>] ____sys_sendmsg+0x2c0/0x2f0 net/socket.c:2362 [<000000002849b515>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2416 [<00000000c27eff0a>] __sys_sendmsg+0x77/0xe0 net/socket.c:2449 [<00000000d4bcd24b>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<00000000edaee46d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9