executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811f6e6500 (size 224):
  comm "syz-executor030", pid 6455, jiffies 4294943058 (age 12.370s)
  hex dump (first 32 bytes):
    a0 4c d8 1a 81 88 ff ff a0 4c d8 1a 81 88 ff ff  .L.......L......
    00 40 6c 17 81 88 ff ff 00 00 00 00 00 00 00 00  .@l.............
  backtrace:
    [<00000000f6af31db>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000004135cf41>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000070d18b5f>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<0000000070d18b5f>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000070d18b5f>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<0000000048860393>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<0000000048860393>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000001a8613a8>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<0000000014179daf>] call_write_iter include/linux/fs.h:1882 [inline]
    [<0000000014179daf>] do_iter_readv_writev+0x207/0x2d0 fs/read_write.c:713
    [<0000000010a296cc>] do_iter_write+0xac/0x230 fs/read_write.c:1018
    [<0000000032a81239>] vfs_writev+0xc1/0x120 fs/read_write.c:1091
    [<000000009a7d3893>] do_writev+0x83/0x170 fs/read_write.c:1134
    [<00000000dba86b2d>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000006643e98d>] entry_SYSCALL_64_after_hwframe+0x44/0xa9