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object: fix leak of shallow_stat 

In eee4502baa ("shallow: migrate shallow information into the object
parser", 2018-05-17), we added a stat_validity pointer into the
parsed_object_pool struct, but did not add code to free this in
parsed_object_pool_clear(). This leak was found by fuzz-commit-graph.

Clear the struct and then free it in parsed_object_pool_clear() to
prevent the leak.

Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Josh Steadmon 2019-02-07 12:05:54 -08:00 committed by Junio C Hamano
parent 249dc53444
commit 96b0710ee4
1 changed files with 2 additions and 0 deletions
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object.c
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@ -557,9 +557,11 @@ void parsed_object_pool_clear(struct parsed_object_pool *o)
clear_alloc_state(o->commit_state);
clear_alloc_state(o->tag_state);
clear_alloc_state(o->object_state);
stat_validity_clear(o->shallow_stat);
FREE_AND_NULL(o->blob_state);
FREE_AND_NULL(o->tree_state);
FREE_AND_NULL(o->commit_state);
FREE_AND_NULL(o->tag_state);
FREE_AND_NULL(o->object_state);
FREE_AND_NULL(o->shallow_stat);
}