2021/07/25 14:01:50 executed programs: 13
BUG: memory leak
unreferenced object 0xffff88810f166a00 (size 232):
  comm "sshd", pid 8395, jiffies 4294940653 (age 1090.990s)
  hex dump (first 32 bytes):
    a0 84 3b 15 81 88 ff ff a0 84 3b 15 81 88 ff ff  ..;.......;.....
    00 40 ee 15 81 88 ff ff 00 00 00 00 00 00 00 00  .@..............
  backtrace:
    [<ffffffff836e142f>] __alloc_skb+0x20f/0x280 net/core/skbuff.c:414
    [<ffffffff83a26dfa>] alloc_skb include/linux/skbuff.h:1112 [inline]
    [<ffffffff83a26dfa>] __tcp_send_ack.part.0+0x3a/0x1e0 net/ipv4/tcp_output.c:3945
    [<ffffffff83a2bd02>] __tcp_send_ack net/ipv4/tcp_output.c:3977 [inline]
    [<ffffffff83a2bd02>] tcp_send_ack+0x32/0x40 net/ipv4/tcp_output.c:3977
    [<ffffffff83a06b1c>] tcp_cleanup_rbuf+0x1cc/0x220 net/ipv4/tcp.c:1601
    [<ffffffff83a07a29>] tcp_recvmsg_locked+0x409/0x1010 net/ipv4/tcp.c:2522
    [<ffffffff83a09878>] tcp_recvmsg+0xa8/0x310 net/ipv4/tcp.c:2552
    [<ffffffff83a61194>] inet_recvmsg+0x84/0x190 net/ipv4/af_inet.c:852
    [<ffffffff836d0e9f>] sock_recvmsg_nosec net/socket.c:943 [inline]
    [<ffffffff836d0e9f>] sock_recvmsg net/socket.c:961 [inline]
    [<ffffffff836d0e9f>] sock_recvmsg net/socket.c:957 [inline]
    [<ffffffff836d0e9f>] sock_read_iter+0x15f/0x1b0 net/socket.c:1034
    [<ffffffff8156420e>] call_read_iter include/linux/fs.h:2108 [inline]
    [<ffffffff8156420e>] new_sync_read+0x2ae/0x2f0 fs/read_write.c:415
    [<ffffffff8156767b>] vfs_read+0x1bb/0x290 fs/read_write.c:496
    [<ffffffff81567c7b>] ksys_read+0x12b/0x160 fs/read_write.c:634
    [<ffffffff843b1875>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff843b1875>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae