2020/09/05 14:48:36 executed programs: 3
2020/09/05 14:48:42 executed programs: 5
2020/09/05 14:48:47 executed programs: 7
2020/09/05 14:48:53 executed programs: 9
BUG: memory leak
unreferenced object 0xffff888114c5fc00 (size 224):
  comm "syz-executor.0", pid 6791, jiffies 4294996396 (age 12.950s)
  hex dump (first 32 bytes):
    a0 64 75 1a 81 88 ff ff a0 64 75 1a 81 88 ff ff  .du......du.....
    00 c0 e2 12 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000f240c74c>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<0000000091a9ebab>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000020b9b8a2>] napi_alloc_skb include/linux/skbuff.h:2865 [inline]
    [<0000000020b9b8a2>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000020b9b8a2>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000675c561b>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000675c561b>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002234de42>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<0000000019729489>] call_write_iter include/linux/fs.h:1882 [inline]
    [<0000000019729489>] do_iter_readv_writev+0x207/0x2d0 fs/read_write.c:713
    [<0000000014f980ab>] do_iter_write+0xac/0x230 fs/read_write.c:1018
    [<00000000cedf4293>] vfs_writev+0xc1/0x120 fs/read_write.c:1091
    [<00000000d6fb76a1>] do_writev+0x83/0x170 fs/read_write.c:1134
    [<0000000019a77900>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000e82ba28d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9