Re: [libvirt] [PATCH] Fix NULL dereference in remoteDomainMigratePrepare2

From: Jiri Denemark <jdenemar(a)redhat.com&gt; --- src/remote/remote_driver.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/src/remote/remote_driver.c b/src/remote/remote_driver.c index 990bfce..c62e3d6 100644 --- a/src/remote/remote_driver.c +++ b/src/remote/remote_driver.c @@ -2849,8 +2849,12 @@ remoteDomainMigratePrepare2 (virConnectPtr dconn, goto done; if (ret.cookie.cookie_len > 0) { - *cookie = ret.cookie.cookie_val; /* Caller frees. */ - *cookielen = ret.cookie.cookie_len; + if (cookie && cookielen) { + *cookie = ret.cookie.cookie_val; /* Caller frees. */ + *cookielen = ret.cookie.cookie_len; + } else { + VIR_FREE(ret.cookie.cookie_val); + } }