Early jumps to the cleanup label caused a crash of the libvirt_lxc
container helper as the cleanup section called
virLXCControllerDeleteInterfaces(ctrl) without checking the ctrl argument
for NULL. The argument was de-referenced soon after.
$ /usr/libexec/libvirt_lxc
/usr/libexec/libvirt_lxc: missing --name argument for configuration
Segmentation fault
---
src/lxc/lxc_controller.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/lxc/lxc_controller.c b/src/lxc/lxc_controller.c
index a9d2d40..ea5bc58 100644
--- a/src/lxc/lxc_controller.c
+++ b/src/lxc/lxc_controller.c
@@ -1672,7 +1672,8 @@ int main(int argc, char *argv[])
cleanup:
virPidFileDelete(LXC_STATE_DIR, name);
- virLXCControllerDeleteInterfaces(ctrl);
+ if (ctrl)
+ virLXCControllerDeleteInterfaces(ctrl);
for (i = 0 ; i < nttyFDs ; i++)
VIR_FORCE_CLOSE(ttyFDs[i]);
VIR_FREE(ttyFDs);
--
1.8.0
--
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