Commit f6525b96 authored May 30, 2017 by Douglas Anderson Committed by Kees Cook May 31, 2017

pstore: Fix leaked pstore_record in pstore_get_backend_records()



When the "if (record->size <= 0)" test is true in
pstore_get_backend_records() it's pretty clear that nobody holds a
reference to the allocated pstore_record, yet we don't free it.

Let's free it.

Fixes: 2a2b0acf ("pstore: Allocate records on heap instead of stack")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org

parent 4a16d1cb

fs/pstore/platform.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -849,8 +849,10 @@ void pstore_get_backend_records(struct pstore_info *psi,
		record->size = psi->read(record);

		/* No more records left in backend? */
		if (record->size <= 0)
		if (record->size <= 0) {
		kfree(record);
		break;
		}

		decompress_record(record);
		rc = pstore_mkfile(root, record);