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From ab3c999755b0dd9d9c19534fd3f2386b7702a3d7 Mon Sep 17 00:00:00 2001
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Message-Id: <ab3c999755b0dd9d9c19534fd3f2386b7702a3d7@dist-git>
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From: Pavel Hrdina <phrdina@redhat.com>
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Date: Mon, 15 Apr 2019 17:33:05 +0200
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Subject: [PATCH] virresctrl: fix MBA memory leak
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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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The 'bandwidths' variable is allocated using VIR_RESIZE_N so it has to
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be freed as well.
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==118315== 8 bytes in 1 blocks are definitely lost in loss record 299 of 2,401
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==118315== at 0x4C29DAD: malloc (vg_replace_malloc.c:308)
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==118315== by 0x4C2C100: realloc (vg_replace_malloc.c:836)
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==118315== by 0x52C3FAF: virReallocN (viralloc.c:245)
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==118315== by 0x52C4079: virExpandN (viralloc.c:294)
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==118315== by 0x532BBA8: virResctrlAllocParseProcessMemoryBandwidth (virresctrl.c:1156)
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==118315== by 0x532BBA8: virResctrlAllocParseMemoryBandwidthLine (virresctrl.c:1211)
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==118315== by 0x532BBA8: virResctrlAllocParse (virresctrl.c:1414)
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==118315== by 0x532BBA8: virResctrlAllocGetGroup (virresctrl.c:1446)
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==118315== by 0x532C11D: virResctrlAllocGetDefault (virresctrl.c:1464)
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==118315== by 0x532D15E: virResctrlAllocAssign (virresctrl.c:1923)
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==118315== by 0x532D15E: virResctrlAllocCreate (virresctrl.c:2042)
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==118315== by 0x31E1ABEE: qemuProcessResctrlCreate (qemu_process.c:2596)
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==118315== by 0x31E1ABEE: qemuProcessLaunch (qemu_process.c:6444)
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==118315== by 0x31E1E341: qemuProcessStart (qemu_process.c:6721)
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==118315== by 0x31E81315: qemuDomainObjStart.constprop.50 (qemu_driver.c:7288)
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==118315== by 0x31E81A65: qemuDomainCreateWithFlags (qemu_driver.c:7341)
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==118315== by 0x54DDB4B: virDomainCreate (libvirt-domain.c:6534)
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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(cherry picked from commit e3c4befef44db8e45a1f0de857ad2ec58d9b961a)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1468650
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
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Message-Id: <d843d770626fc25ba17c609978a733fede464e43.1555342313.git.phrdina@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/util/virresctrl.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/src/util/virresctrl.c b/src/util/virresctrl.c
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index f44d1cde8b..87d212d93c 100644
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--- a/src/util/virresctrl.c
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+++ b/src/util/virresctrl.c
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@@ -307,6 +307,7 @@ virResctrlAllocDispose(void *obj)
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virResctrlAllocMemBWPtr mem_bw = alloc->mem_bw;
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for (i = 0; i < mem_bw->nbandwidths; i++)
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VIR_FREE(mem_bw->bandwidths[i]);
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+ VIR_FREE(alloc->mem_bw->bandwidths);
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VIR_FREE(alloc->mem_bw);
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}
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--
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2.21.0
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