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authorNikita Belov <zodiac@ispras.ru>2014-10-29 18:07:02 +0400
committerMichael S. Tsirkin <mst@redhat.com>2014-11-02 13:44:52 +0200
commitac369a77967d5dd984a5430505eaf24a380af1c0 (patch)
treea8425c95d0700bd6da0f3f5f0acc2c1a5b335ba9 /linux-headers/asm-generic
parentcaad057bb6ce86a9cb71520af395fd0bd04a659f (diff)
hw/i386/acpi-build.c: Fix memory leak in acpi_build_tables_cleanup()
There are three ACPI tables: 'linker_data', 'rsdp' and 'table_data'. They are used differently. Two of them are being copied before using and only the copy is used later. But the third is used directly. Because of that we need to free two tables completely and delete only wrapper for the third one. Valgrind output: ==23931== 131,072 bytes in 1 blocks are definitely lost in loss record 7,729 of 7,734 ==23931== at 0x4C2CE8E: realloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==23931== by 0x2EA920: realloc_and_trace (vl.c:2811) ==23931== by 0x509E6AE: g_realloc (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0) ==23931== by 0x506DB32: ??? (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0) ==23931== by 0x506E463: g_array_set_size (in /lib/x86_64-linux-gnu/libglib-2.0.so.0.4000.0) ==23931== by 0x256A4F: acpi_align_size (acpi-build.c:487) ==23931== by 0x259F92: acpi_build (acpi-build.c:1601) ==23931== by 0x25A212: acpi_setup (acpi-build.c:1682) ==23931== by 0x24F346: pc_guest_info_machine_done (pc.c:1110) ==23931== by 0x55FAAB: notifier_list_notify (notify.c:39) ==23931== by 0x2EA704: qemu_run_machine_init_done_notifiers (vl.c:2759) ==23931== by 0x2EEC3C: main (vl.c:4504) Signed-off-by: Nikita Belov <zodiac@ispras.ru> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'linux-headers/asm-generic')
0 files changed, 0 insertions, 0 deletions