2020/09/06 17:27:23 executed programs: 1
2020/09/06 17:27:29 executed programs: 3
2020/09/06 17:27:34 executed programs: 5
BUG: memory leak
unreferenced object 0xffff8881136fee00 (size 224):
  comm "syz-executor.0", pid 6721, jiffies 4294994095 (age 13.510s)
  hex dump (first 32 bytes):
    a0 84 f4 1a 81 88 ff ff a0 84 f4 1a 81 88 ff ff  ................
    00 80 0f 13 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000063a1d675>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<0000000068529f94>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<00000000eddbc4bd>] napi_alloc_skb include/linux/skbuff.h:2865 [inline]
    [<00000000eddbc4bd>] napi_get_frags net/core/dev.c:6053 [inline]
    [<00000000eddbc4bd>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000953adbfb>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000953adbfb>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000000fdff495>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<0000000038f827a1>] call_write_iter include/linux/fs.h:1882 [inline]
    [<0000000038f827a1>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<0000000007c02947>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000783b3b9e>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000075244a79>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000a29bf1f7>] entry_SYSCALL_64_after_hwframe+0x44/0xa9