[libvirt PATCH 0/1] qemu: Fix memory leaks in firmware selection code
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Reported when building with gcc and clang both.
==10909==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 128 byte(s) in 4 object(s) allocated from:
#0 0x7f191d4a2808 in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144
#1 0x7f191987ae98 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x57e98)
SUMMARY: AddressSanitizer: 128 byte(s) leaked in 4 allocation(s).
This patch is a requirement for pushing my recent improvements to
firmware selection[1] without further degrading the CI pipeline.
[1] https://listman.redhat.com/archives/libvir-list/2023-March/238890.html
Andrea Bolognani (1):
qemu: Fix memory leaks in firmware selection code
src/qemu/qemu_firmware.c | 4 ++++
1 file changed, 4 insertions(+)
--
2.39.2
Tuesday, 21 March
Tue, 21 Mar
7:15 p.m.
New subject: [libvirt PATCH 1/1] qemu: Fix memory leaks in firmware selection code
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
src/qemu/qemu_firmware.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c
index 9de4166772..b0f7ae5893 100644
--- a/src/qemu/qemu_firmware.c
+++ b/src/qemu/qemu_firmware.c
@@ -1296,6 +1296,8 @@ qemuFirmwareEnableFeaturesModern(virQEMUDriverConfig *cfg,
loader = def->os.loader;
loader->type = VIR_DOMAIN_LOADER_TYPE_ROM;
+
+ VIR_FREE(loader->path);
loader->path = g_strdup(memory->filename);
VIR_DEBUG("decided on loader '%s'",
@@ -1474,6 +1476,8 @@ qemuFirmwareFillDomainLegacy(virQEMUDriver *driver,
loader->type = VIR_DOMAIN_LOADER_TYPE_PFLASH;
loader->readonly = VIR_TRISTATE_BOOL_YES;
+
+ VIR_FREE(loader->nvramTemplate);
loader->nvramTemplate = g_strdup(cfg->firmwares[i]->nvram);
qemuFirmwareEnsureNVRAM(def, cfg, VIR_STORAGE_FILE_RAW);
--
2.39.2
10:01 p.m.
New subject: [libvirt PATCH 1/1] qemu: Fix memory leaks in firmware selection code
On 3/21/23 8:15 PM, Andrea Bolognani wrote:
Signed-off-by: Andrea Bolognani <abologna(a)redhat.com>
---
src/qemu/qemu_firmware.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/qemu/qemu_firmware.c b/src/qemu/qemu_firmware.c
index 9de4166772..b0f7ae5893 100644
--- a/src/qemu/qemu_firmware.c
+++ b/src/qemu/qemu_firmware.c
@@ -1296,6 +1296,8 @@ qemuFirmwareEnableFeaturesModern(virQEMUDriverConfig *cfg,
loader = def->os.loader;
loader->type = VIR_DOMAIN_LOADER_TYPE_ROM;
+
+ VIR_FREE(loader->path);
loader->path = g_strdup(memory->filename);
VIR_DEBUG("decided on loader '%s'",
@@ -1474,6 +1476,8 @@ qemuFirmwareFillDomainLegacy(virQEMUDriver *driver,
loader->type = VIR_DOMAIN_LOADER_TYPE_PFLASH;
loader->readonly = VIR_TRISTATE_BOOL_YES;
+
+ VIR_FREE(loader->nvramTemplate);
loader->nvramTemplate = g_strdup(cfg->firmwares[i]->nvram);
qemuFirmwareEnsureNVRAM(def, cfg, VIR_STORAGE_FILE_RAW);
Reviewed-by: Laine Stump <laine(a)redhat.com>
641
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641
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