[libvirt] [PATCH 6/7] qemu: Fix possible memory leak in migration param processing

John Ferlan posted 7 patches 7 years ago
[libvirt] [PATCH 6/7] qemu: Fix possible memory leak in migration param processing
Posted by John Ferlan 7 years ago
If virJSONValueArraySize(caps) <= 0, then we will still need to
virJSONValueFree(caps) because qemuMonitorSetMigrationCapabilities
won't consume it.

Found by Coverity

Signed-off-by: John Ferlan <jferlan@redhat.com>
---
 src/qemu/qemu_migration_params.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/qemu/qemu_migration_params.c b/src/qemu/qemu_migration_params.c
index 4f3b239637..3bbe50a8ed 100644
--- a/src/qemu/qemu_migration_params.c
+++ b/src/qemu/qemu_migration_params.c
@@ -771,6 +771,7 @@ qemuMigrationParamsApply(virQEMUDriverPtr driver,
         migParams->params[xbzrle].set = true;
 
     virJSONValueFree(params);
+    virJSONValueFree(caps);
 
     return ret;
 }
-- 
2.13.6

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Re: [libvirt] [PATCH 6/7] qemu: Fix possible memory leak in migration param processing
Posted by Peter Krempa 7 years ago
On Tue, Apr 17, 2018 at 12:22:17 -0400, John Ferlan wrote:
> If virJSONValueArraySize(caps) <= 0, then we will still need to
> virJSONValueFree(caps) because qemuMonitorSetMigrationCapabilities
> won't consume it.
> 
> Found by Coverity
> 
> Signed-off-by: John Ferlan <jferlan@redhat.com>
> ---
>  src/qemu/qemu_migration_params.c | 1 +
>  1 file changed, 1 insertion(+)

ACK
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