[PATCH 13/27] selftests/landlock: Fix memory leak in audit_init_filter_exe()
flat view
COOLING13d
From: Günther Noack <hidden>
Date: 2026-10-08 14:27:17
Also in:
linux-kselftest, lkml
Subsystem:
kernel selftest framework, landlock security module, the rest · Maintainers:
Shuah Khan, Shuah Khan, Mickaël Salaün, Linus Torvalds
audit_init_filter_exe() does not free the buffer returned by realpath(3) when the path is too long. Assisted-by: LLM Signed-off-by: Günther Noack <redacted> --- tools/testing/selftests/landlock/audit.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/landlock/audit.h b/tools/testing/selftests/landlock/audit.h
index d428ce802f49..1e533b4e26db 100644
--- a/tools/testing/selftests/landlock/audit.h
+++ b/tools/testing/selftests/landlock/audit.h@@ -507,8 +507,10 @@ static int audit_init_filter_exe(struct audit_filter *filter, const char *path) /* No need for the terminating NULL byte. */ filter->exe_len = strlen(absolute_path); - if (filter->exe_len > sizeof(filter->exe)) + if (filter->exe_len > sizeof(filter->exe)) { + free(absolute_path); return -E2BIG; + } memcpy(filter->exe, absolute_path, filter->exe_len); free(absolute_path);
--
2.56.0