* pannengy...@huawei.com (pannengy...@huawei.com) wrote: > From: Pan Nengyuan <pannengy...@huawei.com> > > 'list' forgot to free at the end of dump_vmstate_json_to_file(), although > it's called only once, but seems like a clean code. > > Fix the leak as follow: > Direct leak of 16 byte(s) in 1 object(s) allocated from: > #0 0x7fb946abd768 in __interceptor_malloc (/lib64/libasan.so.5+0xef768) > #1 0x7fb945eca445 in g_malloc (/lib64/libglib-2.0.so.0+0x52445) > #2 0x7fb945ee2066 in g_slice_alloc (/lib64/libglib-2.0.so.0+0x6a066) > #3 0x7fb945ee3139 in g_slist_prepend (/lib64/libglib-2.0.so.0+0x6b139) > #4 0x5585db591581 in object_class_get_list_tramp > /mnt/sdb/qemu-new/qemu/qom/object.c:1084 > #5 0x5585db590f66 in object_class_foreach_tramp > /mnt/sdb/qemu-new/qemu/qom/object.c:1028 > #6 0x7fb945eb35f7 in g_hash_table_foreach > (/lib64/libglib-2.0.so.0+0x3b5f7) > #7 0x5585db59110c in object_class_foreach > /mnt/sdb/qemu-new/qemu/qom/object.c:1038 > #8 0x5585db5916b6 in object_class_get_list > /mnt/sdb/qemu-new/qemu/qom/object.c:1092 > #9 0x5585db335ca0 in dump_vmstate_json_to_file > /mnt/sdb/qemu-new/qemu/migration/savevm.c:638 > #10 0x5585daa5bcbf in main /mnt/sdb/qemu-new/qemu/vl.c:4420 > #11 0x7fb941204812 in __libc_start_main ../csu/libc-start.c:308 > #12 0x5585da29420d in _start > (/mnt/sdb/qemu-new/qemu/build/x86_64-softmmu/qemu-system-x86_64+0x27f020d) > > Indirect leak of 7472 byte(s) in 467 object(s) allocated from: > #0 0x7fb946abd768 in __interceptor_malloc (/lib64/libasan.so.5+0xef768) > #1 0x7fb945eca445 in g_malloc (/lib64/libglib-2.0.so.0+0x52445) > #2 0x7fb945ee2066 in g_slice_alloc (/lib64/libglib-2.0.so.0+0x6a066) > #3 0x7fb945ee3139 in g_slist_prepend (/lib64/libglib-2.0.so.0+0x6b139) > #4 0x5585db591581 in object_class_get_list_tramp > /mnt/sdb/qemu-new/qemu/qom/object.c:1084 > #5 0x5585db590f66 in object_class_foreach_tramp > /mnt/sdb/qemu-new/qemu/qom/object.c:1028 > #6 0x7fb945eb35f7 in g_hash_table_foreach > (/lib64/libglib-2.0.so.0+0x3b5f7) > #7 0x5585db59110c in object_class_foreach > /mnt/sdb/qemu-new/qemu/qom/object.c:1038 > #8 0x5585db5916b6 in object_class_get_list > /mnt/sdb/qemu-new/qemu/qom/object.c:1092 > #9 0x5585db335ca0 in dump_vmstate_json_to_file > /mnt/sdb/qemu-new/qemu/migration/savevm.c:638 > #10 0x5585daa5bcbf in main /mnt/sdb/qemu-new/qemu/vl.c:4420 > #11 0x7fb941204812 in __libc_start_main ../csu/libc-start.c:308 > #12 0x5585da29420d in _start > (/mnt/sdb/qemu-new/qemu/build/x86_64-softmmu/qemu-system-x86_64+0x27f020d) > > Reported-by: Euler Robot <euler.ro...@huawei.com>
Good robot! > Signed-off-by: Pan Nengyuan <pannengy...@huawei.com> > --- > migration/savevm.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/migration/savevm.c b/migration/savevm.c > index f19cb9ec7a..60e6ea8a8d 100644 > --- a/migration/savevm.c > +++ b/migration/savevm.c > @@ -665,6 +665,7 @@ void dump_vmstate_json_to_file(FILE *out_file) > } > fprintf(out_file, "\n}\n"); > fclose(out_file); > + g_slist_free(list); Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> > } > > static uint32_t calculate_new_instance_id(const char *idstr) > -- > 2.18.2 > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK