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From a9c5b686c6eeb63ad98603dc99ee95bb0dafda62 Mon Sep 17 00:00:00 2001
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Message-Id: <a9c5b686c6eeb63ad98603dc99ee95bb0dafda62@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Sat, 21 Jul 2018 09:34:12 -0400
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Subject: [PATCH] src: Fix memory leak in virNWFilterBindingDispose
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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https://bugzilla.redhat.com/show_bug.cgi?id=1603025
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Commit b57a9aec neglected to VIR_FREE(binding->filtername) as seen
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in the following valgrind report
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==6423== 17,328 bytes in 1,083 blocks are definitely lost in loss record 2,275 of 2,297
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==6423== at 0x4C29BC3: malloc (vg_replace_malloc.c:299)
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==6423== by 0x83B20C9: strdup (in /usr/lib64/libc-2.17.so)
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==6423== by 0x533C144: virStrdup (virstring.c:977)
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==6423== by 0x54BDD53: virGetNWFilterBinding (datatypes.c:865)
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==6423== by 0x318D633C: nwfilterBindingCreateXML (nwfilter_driver.c:767)
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==6423== by 0x54F3FC5: virNWFilterBindingCreateXML (libvirt-nwfilter.c:701)
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==6423== by 0x539CE29: virDomainConfNWFilterInstantiate (domain_nwfilter.c:116)
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==6423== by 0x31E516C2: qemuInterfaceBridgeConnect (qemu_interface.c:589)
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==6423== by 0x31D98B56: qemuBuildInterfaceCommandLine (qemu_command.c:8418)
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==6423== by 0x31D9F783: qemuBuildNetCommandLine (qemu_command.c:8673)
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==6423== by 0x31D9F783: qemuBuildCommandLine (qemu_command.c:10354)
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==6423== by 0x31DE355F: qemuProcessLaunch (qemu_process.c:6292)
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==6423== by 0x31DE7881: qemuProcessStart (qemu_process.c:6686)
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and
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==6423== 17,328 bytes in 1,083 blocks are definitely lost in loss record 2,276 of 2,297
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==6423== at 0x4C29BC3: malloc (vg_replace_malloc.c:299)
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==6423== by 0x83B20C9: strdup (in /usr/lib64/libc-2.17.so)
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==6423== by 0x533C144: virStrdup (virstring.c:977)
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==6423== by 0x54BDD53: virGetNWFilterBinding (datatypes.c:865)
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==6423== by 0x318D641F: nwfilterBindingLookupByPortDev (nwfilter_driver.c:678)
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==6423== by 0x54F3B63: virNWFilterBindingLookupByPortDev (libvirt-nwfilter.c:593)
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==6423== by 0x539CBC5: virDomainConfNWFilterTeardownImpl.isra.0 (domain_nwfilter.c:136)
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==6423== by 0x539CFA5: virDomainConfVMNWFilterTeardown (domain_nwfilter.c:170)
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==6423== by 0x31DE5651: qemuProcessStop (qemu_process.c:6912)
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==6423== by 0x31E37974: qemuDomainDestroyFlags (qemu_driver.c:2229)
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==6423== by 0x54C24BB: virDomainDestroy (libvirt-domain.c:475)
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==6423== by 0x1589A2: remoteDispatchDomainDestroy (remote_daemon_dispatch_stubs.h:4827)
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==6423== by 0x1589A2: remoteDispatchDomainDestroyHelper (remote_daemon_dispatch_stubs.h:4803)
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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(cherry picked from commit 329f2347d2215edb3925ec21c73bb52b7b5aa310)
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Reviewed-by: Andrea Bolognani <abologna@redhat.com>
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---
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src/datatypes.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/datatypes.c b/src/datatypes.c
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index 878a1c5b5f..caf035f178 100644
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--- a/src/datatypes.c
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+++ b/src/datatypes.c
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@@ -893,6 +893,7 @@ virNWFilterBindingDispose(void *obj)
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VIR_DEBUG("release binding %p %s", binding, binding->portdev);
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VIR_FREE(binding->portdev);
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+ VIR_FREE(binding->filtername);
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virObjectUnref(binding->conn);
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}
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--
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2.18.0
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