Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts.
executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810c916d00 (size 232):
  comm "syz-executor181", pid 3614, jiffies 4294950268 (age 12.310s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 c0 1e 0b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff83828d81>] __build_skb+0x21/0x60 net/core/skbuff.c:239
    [<ffffffff83828dda>] build_skb+0x1a/0x180 net/core/skbuff.c:256
    [<ffffffff829dcba1>] __tun_build_skb+0x31/0x130 drivers/net/tun.c:1589
    [<ffffffff829e1dab>] tun_build_skb+0x2eb/0x6d0 drivers/net/tun.c:1713
    [<ffffffff829e26a3>] tun_get_user+0x513/0x1e00 drivers/net/tun.c:1798
    [<ffffffff829e3ffd>] tun_chr_write_iter+0x6d/0x110 drivers/net/tun.c:2015
    [<ffffffff815ba1c6>] call_write_iter include/linux/fs.h:2050 [inline]
    [<ffffffff815ba1c6>] new_sync_write+0x1a6/0x250 fs/read_write.c:504
    [<ffffffff815bd792>] vfs_write+0x372/0x420 fs/read_write.c:591
    [<ffffffff815bda7d>] ksys_write+0x9d/0x160 fs/read_write.c:644
    [<ffffffff84565f05>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84565f05>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84600068>] entry_SYSCALL_64_after_hwframe+0x44/0xae