[libvirt] [PATCH] virNWFilterObjListFree: Don't leak nwfilters->objs

John Ferlan jferlan at redhat.com
Thu May 4 16:32:46 UTC 2017



On 05/04/2017 11:42 AM, Michal Privoznik wrote:
> When adding a nwfilter onto the list in
> virNWFilterObjListAssignDef() this array is re-allocated to match
> demand for new size. However, it is never freed leading to a
> leak:
> 
> ==26535== 136 bytes in 1 blocks are definitely lost in loss record 1,079 of 1,250
> ==26535==    at 0x4C2E2BE: realloc (vg_replace_malloc.c:785)
> ==26535==    by 0x54BA28E: virReallocN (viralloc.c:245)
> ==26535==    by 0x54BA384: virExpandN (viralloc.c:294)
> ==26535==    by 0x54BA657: virInsertElementsN (viralloc.c:436)
> ==26535==    by 0x55DB011: virNWFilterObjListAssignDef (virnwfilterobj.c:362)
> ==26535==    by 0x55DB530: virNWFilterObjListLoadConfig (virnwfilterobj.c:503)
> ==26535==    by 0x55DB635: virNWFilterObjListLoadAllConfigs (virnwfilterobj.c:539)
> ==26535==    by 0x2AC5A28B: nwfilterStateInitialize (nwfilter_driver.c:250)
> ==26535==    by 0x5621C64: virStateInitialize (libvirt.c:770)
> ==26535==    by 0x124379: daemonRunStateInit (libvirtd.c:881)
> ==26535==    by 0x554AC78: virThreadHelper (virthread.c:206)
> ==26535==    by 0x8F5F493: start_thread (in /lib64/libpthread-2.23.so)
> 
> Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
> ---
>  src/conf/virnwfilterobj.c | 1 +
>  1 file changed, 1 insertion(+)
> 

<sigh>  ACK, safe,

John




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