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| -rw-r--r-- | update-index.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/update-index.c b/update-index.c index 8fe015b499..60c8417496 100644 --- a/update-index.c +++ b/update-index.c @@ -184,6 +184,13 @@ static struct cache_entry *refresh_entry(struct cache_entry *ce) if (changed & (MODE_CHANGED | TYPE_CHANGED)) return ERR_PTR(-EINVAL); + /* Immediately after read-tree or update-index --cacheinfo, + * the length field is zero. For other cases the ce_size + * should match the SHA1 recorded in the index entry. + */ + if ((changed & DATA_CHANGED) && ce->ce_size != htonl(0)) + return ERR_PTR(-EINVAL); + switch (st.st_mode & S_IFMT) { case S_IFREG: if (compare_data(ce, &st)) |