Hello,
this patch fixes the problem for me.
Thanks
Dilyan
On 09.02.2015 19:46, Eric Sunshine wrote:
Show 65 quoted lines
> On Mon, Feb 09, 2015 at 11:33:39AM +0100, Dilyan Palauzov wrote:
>> the point is that with exactly the same configuration on one
>> computer there is crash and on another one things work just fine.
>>
>> I found out that line builtin/blame.c:1675 makes the problems:
>>
>> if (len) {
>> printf("blame.c:1676, subject: %s, len: %i\n", subject, len);
>> --> strbuf_add(&ret->summary, subject, len); <--
>> } else
>> strbuf_addf(&ret->summary, "(%s)", sha1_to_hex(commit->object.sha1));
>>
>> commenting it out and compiling does not lead to crashing git
>> anymore. You can find below the output of printf.
>>
>> git clone git://git.cyrusimap.org/cyrus-imapd
>> git annotate timsieved/parser.c
>>
>> *** Error in `git': double free or corruption (!prev):
>> 0x00000000022e4b40 ***
>
> There is a bit of suspicious code in builtin/blame.c where it is
> destroying the commit_info without ever initializing it, and this
> happens many times when blaming 'timsieved/parser.c'. Does the
> following patch fix the problem for you?
>
> --- 8< ---
> diff --git a/builtin/blame.c b/builtin/blame.c
> index 303e217..a3cc972 100644
> --- a/builtin/blame.c
> +++ b/builtin/blame.c
> @@ -2085,7 +2085,6 @@ static void find_alignment(struct scoreboard *sb, int *option)
>
> for (e = sb->ent; e; e = e->next) {
> struct origin *suspect = e->suspect;
> - struct commit_info ci;
> int num;
>
> if (compute_auto_abbrev)
> @@ -2096,6 +2095,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
> if (longest_file < num)
> longest_file = num;
> if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
> + struct commit_info ci;
> suspect->commit->object.flags |= METAINFO_SHOWN;
> get_commit_info(suspect->commit, &ci, 1);
> if (*option & OUTPUT_SHOW_EMAIL)
> @@ -2104,6 +2104,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
> num = utf8_strwidth(ci.author.buf);
> if (longest_author < num)
> longest_author = num;
> + commit_info_destroy(&ci);
> }
> num = e->s_lno + e->num_lines;
> if (longest_src_lines < num)
> @@ -2113,8 +2114,6 @@ static void find_alignment(struct scoreboard *sb, int *option)
> longest_dst_lines = num;
> if (largest_score < ent_score(sb, e))
> largest_score = ent_score(sb, e);
> -
> - commit_info_destroy(&ci);
> }
> max_orig_digits = decimal_width(longest_src_lines);
> max_digits = decimal_width(longest_dst_lines);
>