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[PULL,01/65] migration/qmp: Fix crash on setting tls-authz with null

Message ID 20231011092203.1266-2-quintela@redhat.com
State New
Headers show
Series [PULL,01/65] migration/qmp: Fix crash on setting tls-authz with null | expand

Commit Message

Juan Quintela Oct. 11, 2023, 9:20 a.m. UTC 
From: Peter Xu <peterx@redhat.com>

QEMU will crash if anyone tries to set tls-authz (which is a type
StrOrNull) with 'null' value.  Fix it in the easy way by converting it to
qstring just like the other two tls parameters.

Cc: qemu-stable@nongnu.org # v4.0+
Fixes: d2f1d29b95 ("migration: add support for a "tls-authz" migration parameter")
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20230905162335.235619-2-peterx@redhat.com>
---
 migration/options.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
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Patch

diff --git a/migration/options.c b/migration/options.c
index 1d1e1321b0..6bbfd4853d 100644
--- a/migration/options.c
+++ b/migration/options.c
@@ -1408,20 +1408,25 @@  void qmp_migrate_set_parameters(MigrateSetParameters *params, Error **errp)
 {
     MigrationParameters tmp;
 
-    /* TODO Rewrite "" to null instead */
+    /* TODO Rewrite "" to null instead for all three tls_* parameters */
     if (params->tls_creds
         && params->tls_creds->type == QTYPE_QNULL) {
         qobject_unref(params->tls_creds->u.n);
         params->tls_creds->type = QTYPE_QSTRING;
         params->tls_creds->u.s = strdup("");
     }
-    /* TODO Rewrite "" to null instead */
     if (params->tls_hostname
         && params->tls_hostname->type == QTYPE_QNULL) {
         qobject_unref(params->tls_hostname->u.n);
         params->tls_hostname->type = QTYPE_QSTRING;
         params->tls_hostname->u.s = strdup("");
     }
+    if (params->tls_authz
+        && params->tls_authz->type == QTYPE_QNULL) {
+        qobject_unref(params->tls_authz->u.n);
+        params->tls_authz->type = QTYPE_QSTRING;
+        params->tls_authz->u.s = strdup("");
+    }
 
     migrate_params_test_apply(params, &tmp);