After 78d7c3c5 we are strdup()-ing path to qemu-bridge-helper. However, the check for its return value is missing. So it is possible we've ignored the OOM error silently. --- src/qemu/qemu_conf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c index e9a3407..7c3f317 100644 --- a/src/qemu/qemu_conf.c +++ b/src/qemu/qemu_conf.c @@ -241,7 +241,8 @@ virQEMUDriverConfigPtr virQEMUDriverConfigNew(bool privileged) } } #endif - cfg->bridgeHelperName = strdup("/usr/libexec/qemu-bridge-helper"); + if (!(cfg->bridgeHelperName = strdup("/usr/libexec/qemu-bridge-helper"))) + goto no_memory; cfg->clearEmulatorCapabilities = true;