executing program
executing program
BUG: memory leak
unreferenced object 0xffff888119b46800 (size 224):
  comm "syz-executor025", pid 6474, jiffies 4294951350 (age 12.460s)
  hex dump (first 32 bytes):
    a0 44 1d 1a 81 88 ff ff a0 44 1d 1a 81 88 ff ff  .D.......D......
    00 40 4c 18 81 88 ff ff 00 00 00 00 00 00 00 00  .@L.............
  backtrace:
    [<000000006662d5e5>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<000000000a96df81>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<000000003ccfce41>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<000000003ccfce41>] napi_get_frags net/core/dev.c:6053 [inline]
    [<000000003ccfce41>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000002c9c4b9f>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000002c9c4b9f>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<0000000059ff8f08>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000b91ae098>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000b91ae098>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<0000000053c93e02>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<000000004b1afc1d>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<00000000669b9ca0>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000047935b69>] entry_SYSCALL_64_after_hwframe+0x44/0xa9