On 03/06/16 09:52, Jeff King wrote:
> On Fri, Jun 03, 2016 at 07:47:17AM +0000, Elia Pinto wrote:
> 
>>  builtin/tag.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/builtin/tag.c b/builtin/tag.c
>> index 50e4ae5..0345ca3 100644
>> --- a/builtin/tag.c
>> +++ b/builtin/tag.c
>> @@ -225,7 +225,7 @@ static void create_tag(const unsigned char *object, 
>> const char *tag,
>>      if (type <= OBJ_NONE)
>>          die(_("bad object type."));
>>  
>> -    header_len = snprintf(header_buf, sizeof(header_buf),
>> +    header_len = xsnprintf(header_buf, sizeof(header_buf),
>>                        "object %s\n"
>>                        "type %s\n"
>>                        "tag %s\n"
> 
> This is another of my "type 2" cases. I'd argue it should be using a
> heap buffer to handle tag and tagger names of arbitrary size.

Yep. As it stands, the code following this hunk:

        if (header_len > sizeof(header_buf) - 1)
                die(_("tag header too big."));

is now dead code, and the new error message is not as useful.

ATB,
Ramsay Jones

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