Re: [libvirt] [PATCH] src: Fix memory leak in virNWFilterBindingDispose

https://bugzilla.redhat.com/show_bug.cgi?id=1603025 Commit b57a9aec neglected to VIR_FREE(binding->filtername) as seen in the following valgrind report ==6423== 17,328 bytes in 1,083 blocks are definitely lost in loss record 2,275 of 2,297 ==6423== at 0x4C29BC3: malloc (vg_replace_malloc.c:299) ==6423== by 0x83B20C9: strdup (in /usr/lib64/libc-2.17.so) ==6423== by 0x533C144: virStrdup (virstring.c:977) ==6423== by 0x54BDD53: virGetNWFilterBinding (datatypes.c:865) ==6423== by 0x318D633C: nwfilterBindingCreateXML (nwfilter_driver.c:767) ==6423== by 0x54F3FC5: virNWFilterBindingCreateXML (libvirt-nwfilter.c:701) ==6423== by 0x539CE29: virDomainConfNWFilterInstantiate (domain_nwfilter.c:116) ==6423== by 0x31E516C2: qemuInterfaceBridgeConnect (qemu_interface.c:589) ==6423== by 0x31D98B56: qemuBuildInterfaceCommandLine (qemu_command.c:8418) ==6423== by 0x31D9F783: qemuBuildNetCommandLine (qemu_command.c:8673) ==6423== by 0x31D9F783: qemuBuildCommandLine (qemu_command.c:10354) ==6423== by 0x31DE355F: qemuProcessLaunch (qemu_process.c:6292) ==6423== by 0x31DE7881: qemuProcessStart (qemu_process.c:6686) and ==6423== 17,328 bytes in 1,083 blocks are definitely lost in loss record 2,276 of 2,297 ==6423== at 0x4C29BC3: malloc (vg_replace_malloc.c:299) ==6423== by 0x83B20C9: strdup (in /usr/lib64/libc-2.17.so) ==6423== by 0x533C144: virStrdup (virstring.c:977) ==6423== by 0x54BDD53: virGetNWFilterBinding (datatypes.c:865) ==6423== by 0x318D641F: nwfilterBindingLookupByPortDev (nwfilter_driver.c:678) ==6423== by 0x54F3B63: virNWFilterBindingLookupByPortDev (libvirt-nwfilter.c:593) ==6423== by 0x539CBC5: virDomainConfNWFilterTeardownImpl.isra.0 (domain_nwfilter.c:136) ==6423== by 0x539CFA5: virDomainConfVMNWFilterTeardown (domain_nwfilter.c:170) ==6423== by 0x31DE5651: qemuProcessStop (qemu_process.c:6912) ==6423== by 0x31E37974: qemuDomainDestroyFlags (qemu_driver.c:2229) ==6423== by 0x54C24BB: virDomainDestroy (libvirt-domain.c:475) ==6423== by 0x1589A2: remoteDispatchDomainDestroy (remote_daemon_dispatch_stubs.h:4827) ==6423== by 0x1589A2: remoteDispatchDomainDestroyHelper (remote_daemon_dispatch_stubs.h:4803) Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; --- src/datatypes.c | 1 + 1 file changed, 1 insertion(+) diff --git a/src/datatypes.c b/src/datatypes.c index 878a1c5b5f..caf035f178 100644 --- a/src/datatypes.c +++ b/src/datatypes.c @@ -893,6 +893,7 @@ virNWFilterBindingDispose(void *obj) VIR_DEBUG("release binding %p %s", binding, binding->portdev); VIR_FREE(binding->portdev); + VIR_FREE(binding->filtername); virObjectUnref(binding->conn); }