@@ -1827,12 +1827,14 @@ static struct commit *get_base_commit(const struct format_config *cfg,
if (die_on_failure) {
die(_("failed to find exact merge base"));
} else {
+ free_commit_list(merge_base);
free(rev);
return NULL;
}
}
rev[i] = merge_base->item;
+ free_commit_list(merge_base);
}
if (rev_nr % 2)
@@ -2023,6 +2025,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
const char *rfc = NULL;
int creation_factor = -1;
const char *signature = git_version_string;
+ char *signature_to_free = NULL;
char *signature_file_arg = NULL;
struct keep_callback_data keep_callback_data = {
.cfg = &cfg,
@@ -2443,7 +2446,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
if (strbuf_read_file(&buf, signature_file, 128) < 0)
die_errno(_("unable to read signature file '%s'"), signature_file);
- signature = strbuf_detach(&buf, NULL);
+ signature = signature_to_free = strbuf_detach(&buf, NULL);
} else if (cfg.signature) {
signature = cfg.signature;
}
@@ -2548,12 +2551,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
else
print_signature(signature, rev.diffopt.file);
}
- if (output_directory)
+ if (output_directory) {
fclose(rev.diffopt.file);
+ rev.diffopt.file = NULL;
+ }
}
stop_progress(&progress);
free(list);
- free(branch_name);
if (ignore_if_in_upstream)
free_patch_ids(&ids);
@@ -2565,11 +2569,14 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
strbuf_release(&rdiff_title);
free(description_file);
free(signature_file_arg);
+ free(signature_to_free);
+ free(branch_name);
free(to_free);
free(rev.message_id);
if (rev.ref_message_ids)
string_list_clear(rev.ref_message_ids, 0);
free(rev.ref_message_ids);
+ rev.diffopt.no_free = 0;
release_revisions(&rev);
format_config_release(&cfg);
return 0;
@@ -8,6 +8,7 @@ test_description='various format-patch tests'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
There are various memory leaks hit by git-format-patch(1). Basically all of them are trivial, except that un-setting `diffopt.no_free` requires us to unset the `diffopt.file` because we manually close it already. Signed-off-by: Patrick Steinhardt <ps@pks.im> --- builtin/log.c | 13 ++++++++++--- t/t4014-format-patch.sh | 1 + 2 files changed, 11 insertions(+), 3 deletions(-)