2021/09/29 04:31:06 executed programs: 1
BUG: memory leak
unreferenced object 0xffff88810efa2b00 (size 232):
  comm "sshd", pid 6505, jiffies 4294940801 (age 1058.430s)
  hex dump (first 32 bytes):
    e0 44 3d 10 81 88 ff ff e0 44 3d 10 81 88 ff ff  .D=......D=.....
    00 40 1d 14 81 88 ff ff 00 00 00 00 00 00 00 00  .@..............
  backtrace:
    [<ffffffff8370a4ff>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
    [<ffffffff83a547aa>] alloc_skb include/linux/skbuff.h:1116 [inline]
    [<ffffffff83a547aa>] __tcp_send_ack.part.0+0x3a/0x1e0 net/ipv4/tcp_output.c:3946
    [<ffffffff83a59702>] __tcp_send_ack net/ipv4/tcp_output.c:3978 [inline]
    [<ffffffff83a59702>] tcp_send_ack+0x32/0x40 net/ipv4/tcp_output.c:3978
    [<ffffffff83a3433c>] tcp_cleanup_rbuf+0x1cc/0x220 net/ipv4/tcp.c:1601
    [<ffffffff83a35249>] tcp_recvmsg_locked+0x409/0x1010 net/ipv4/tcp.c:2522
    [<ffffffff83a37098>] tcp_recvmsg+0xa8/0x310 net/ipv4/tcp.c:2552
    [<ffffffff83a8f884>] inet_recvmsg+0x84/0x190 net/ipv4/af_inet.c:852
    [<ffffffff836fa44f>] sock_recvmsg_nosec net/socket.c:944 [inline]
    [<ffffffff836fa44f>] sock_recvmsg net/socket.c:962 [inline]
    [<ffffffff836fa44f>] sock_recvmsg net/socket.c:958 [inline]
    [<ffffffff836fa44f>] sock_read_iter+0x15f/0x1b0 net/socket.c:1035
    [<ffffffff8156ea41>] call_read_iter include/linux/fs.h:2157 [inline]
    [<ffffffff8156ea41>] new_sync_read+0x2b1/0x2f0 fs/read_write.c:404
    [<ffffffff815720ca>] vfs_read+0x1ba/0x2b0 fs/read_write.c:485
    [<ffffffff8157270b>] ksys_read+0x12b/0x160 fs/read_write.c:623
    [<ffffffff843fbcd5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843fbcd5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae