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semodule: Don't forget to munmap() data

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semanage_module_extract() mmap()'s the module raw data but it leaves on
the caller to munmap() them.

Reported-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Petr Lautrbach <plautrba@redhat.com>
Acked-by: James Carter <jwcart2@gmail.com>
This commit is contained in:
Petr Lautrbach 2021-11-23 17:38:51 +01:00
parent f37b3e94d3
commit c28763c4c9
1 changed files with 3 additions and 0 deletions
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3
policycoreutils/semodule/semodule.c
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@ -394,6 +394,9 @@ static char *hash_module_data(const char *module_name, const int prio) {
sha256_buf[i * 2] = 0; sha256_buf[i * 2] = 0;
cleanup_extract: cleanup_extract:
if (data_len > 0) {
munmap(data, data_len);
}
semanage_module_info_destroy(sh, extract_info); semanage_module_info_destroy(sh, extract_info);
free(extract_info); free(extract_info);
semanage_module_key_destroy(sh, modkey); semanage_module_key_destroy(sh, modkey);