executing program
executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811cbfb900 (size 224):
  comm "syz-executor403", pid 6512, jiffies 4294944511 (age 12.710s)
  hex dump (first 32 bytes):
    a0 1c ec 19 81 88 ff ff a0 1c ec 19 81 88 ff ff  ................
    00 c0 49 27 81 88 ff ff 00 00 00 00 00 00 00 00  ..I'............
  backtrace:
    [<0000000046cb420b>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000e479d12d>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000059242585>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<0000000059242585>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000059242585>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<00000000dd5ea788>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<00000000dd5ea788>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000ca065d7d>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<000000003bbb0232>] call_write_iter include/linux/fs.h:1882 [inline]
    [<000000003bbb0232>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000002d35e338>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<0000000098d52e31>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000081d465e0>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000337e5ccb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9