[PATCH 0/9] Some Coverity memory leak patches

Peter Krempa pkrempa at redhat.com
Tue Jun 16 12:25:48 UTC 2020


On Tue, Jun 16, 2020 at 08:07:01 -0400, John Ferlan wrote:
> Even though I changed roles, the cron job still runs.  I recently
> updated to a newer coverity version and it found some new stuff and
> even more false positives. It's still very unhappy with the usage
> of GLIB_DEPRECATED_ENUMERATOR_IN_* macros for *glib/gspawn.h and
> *gobject/gparam.h, but I can work around that. I had to disable
> the use_after_free type checking because the virObject to GObject
> change just caused a large number of possible false positives for
> virObjectUnref usages (coverity cannot keep track of all the counts).
> 
> Anyway, I had a few spare cycles, so I figured I'd pass along at
> least the memory leak and usage things that were found. I haven't
> posted in a while so hopefully I haven't missed some subtlety.
> 
> FWIW: I no longer have commit access so I'm at the mercy of someone
>       else pushing my patches now.
> 
> 
> John Ferlan (9):
>   util: Fix memory leak in virAuthGetCredential
>   util: Fix memory leak in virAuthConfigLookup
>   lxc: Fix memory leak in virLXCControllerPopulateDevices
>   util: Fix memory leak in virPCIProbeStubDriver
>   test: Fix memory leak in testParseXMLDocFromFile
>   conf: Fix memory leak in openvzWriteConfigParam
>   conf: Fix memory leak in openvzReadFSConf
>   conf: Fix memory leak in virCPUDefParseXML

Patches 1-8:

Reviewed-by: Peter Krempa <pkrempa at redhat.com>

And I'll push them shortly with the fix mentioned in one of them.

>   util: Avoid using wrong free function
> 
>  src/conf/cpu_conf.c        | 2 +-
>  src/lxc/lxc_controller.c   | 3 ++-
>  src/openvz/openvz_conf.c   | 7 ++-----
>  src/remote/remote_driver.c | 2 +-
>  src/test/test_driver.c     | 2 +-
>  src/util/iohelper.c        | 7 +++++++
>  src/util/virauth.c         | 5 +----
>  src/util/virauthconfig.c   | 4 ++--
>  src/util/virauthconfig.h   | 2 +-
>  src/util/virpci.c          | 1 +
>  tests/virauthconfigtest.c  | 2 +-
>  11 files changed, 20 insertions(+), 17 deletions(-)
> 
> -- 
> 2.25.4
> 




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