diff --git a/savevm.c b/savevm.c index ce2b6a25a6..54510e9b8a 100644 --- a/savevm.c +++ b/savevm.c @@ -930,6 +930,7 @@ int qemu_loadvm_state(QEMUFile *f) uint8_t section_type; unsigned int v; int ret; + int file_error_after_eof = -1; if (qemu_savevm_state_blocked(&local_err)) { error_report("%s", error_get_pretty(local_err)); @@ -1035,6 +1036,24 @@ int qemu_loadvm_state(QEMUFile *f) } } + file_error_after_eof = qemu_file_get_error(f); + + /* + * Try to read in the VMDESC section as well, so that dumping tools that + * intercept our migration stream have the chance to see it. + */ + if (qemu_get_byte(f) == QEMU_VM_VMDESCRIPTION) { + uint32_t size = qemu_get_be32(f); + uint8_t *buf = g_malloc(0x1000); + + while (size > 0) { + uint32_t read_chunk = MIN(size, 0x1000); + qemu_get_buffer(f, buf, read_chunk); + size -= read_chunk; + } + g_free(buf); + } + cpu_synchronize_all_post_init(); ret = 0; @@ -1046,7 +1065,8 @@ out: } if (ret == 0) { - ret = qemu_file_get_error(f); + /* We may not have a VMDESC section, so ignore relative errors */ + ret = file_error_after_eof; } return ret;