As mentioned in docs/devel/style.rst "Automatic memory deallocation":
* Variables declared with g_auto* MUST always be initialized, otherwise the cleanup function will use uninitialized stack memory This avoids QEMU to coredump when running the "hash test" command under Zephyr. Cc: Steven Lee <steven_...@aspeedtech.com> Cc: Joel Stanley <j...@jms.id.au> Cc: qemu-sta...@nongnu.org Fixes: c5475b3f9a ("hw: Model ASPEED's Hash and Crypto Engine") Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> Reviewed-by: Thomas Huth <th...@redhat.com> Reviewed-by: Francisco Iglesias <frasse.igles...@gmail.com> Message-Id: <20230421131547.2177449-1-...@kaod.org> Signed-off-by: Cédric Le Goater <c...@kaod.org> Reviewed-by: Joel Stanley <j...@jms.id.au> Signed-off-by: Cédric Le Goater <c...@kaod.org> --- hw/misc/aspeed_hace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c index 12a761f1f55d..b07506ec04ef 100644 --- a/hw/misc/aspeed_hace.c +++ b/hw/misc/aspeed_hace.c @@ -189,7 +189,7 @@ static void do_hash_operation(AspeedHACEState *s, int algo, bool sg_mode, bool acc_mode) { struct iovec iov[ASPEED_HACE_MAX_SG]; - g_autofree uint8_t *digest_buf; + g_autofree uint8_t *digest_buf = NULL; size_t digest_len = 0; int niov = 0; int i; -- 2.40.1