Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts.
executing program
BUG: memory leak
unreferenced object 0xffff888110241c00 (size 232):
  comm "syz-executor221", pid 8439, jiffies 4294946018 (age 7.980s)
  hex dump (first 32 bytes):
    a0 c4 3c 0f 81 88 ff ff a0 c4 3c 0f 81 88 ff ff  ..<.......<.....
    00 00 9f 0e 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fa1d5243>] __alloc_skb+0x6d/0x280 net/core/skbuff.c:198
    [<00000000a72b5a79>] __napi_alloc_skb+0x67/0x170 net/core/skbuff.c:520
    [<00000000843f8603>] napi_alloc_skb include/linux/skbuff.h:2876 [inline]
    [<00000000843f8603>] napi_get_frags net/core/dev.c:6138 [inline]
    [<00000000843f8603>] napi_get_frags+0x3c/0x80 net/core/dev.c:6133
    [<00000000233bc753>] tun_napi_alloc_frags drivers/net/tun.c:1371 [inline]
    [<00000000233bc753>] tun_get_user+0xfda/0x1b40 drivers/net/tun.c:1734
    [<00000000bbe25bdd>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1932
    [<000000001fa3d710>] call_write_iter include/linux/fs.h:1901 [inline]
    [<000000001fa3d710>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<00000000aa607bc2>] vfs_write+0x34c/0x400 fs/read_write.c:605
    [<0000000021b53f9a>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<000000003785fdca>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000fbecdad1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9