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2935a97836
In 98e7ab6d42 (for-each-ref: delay parsing of --sort=<atom> options,
2021-10-20) a new string_list was introduced to accumulate any
"branch.sort" setting.
That string_list is cleared in ref_sorting_options(), which is only
called when processing the "--list" sub-command. Therefore, with other
sub-command, while having any sort option set, a leak is produced, e.g.:
$ git config branch.sort invalid_sort_option
$ git branch --edit-description
Direct leak of 384 byte(s) in 1 object(s) allocated from:
... in xrealloc wrapper.c
... in string_list_append_nodup string-list.c
... in string_list_append string-list.c
... in git_branch_config builtin/branch.c
... in configset_iter config.c
... in repo_config config.c
... in git_config config.c
... in cmd_branch builtin/branch.c
... in run_builtin git.c
Indirect leak of 20 byte(s) in 1 object(s) allocated from:
... in xstrdup wrapper.c
... in string_list_append string-list.c
... in git_branch_config builtin/branch.c
... in configset_iter config.c
... in repo_config config.c
... in git_config config.c
... in cmd_branch builtin/branch.c
... in run_builtin git.c
We don't have a common clean-up section in cmd_branch(). To avoid
refactoring, keep the fix simple, and while we find a better solution
which hopefuly will avoid entirely that string_list, when no sort
options are needed; let's squelch the leak sanitizer using UNLEAK().
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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