Message ID | 9c38d02efb0c96e01e1edc6b80ba99f014d5e908.1407353952.git.jcody@redhat.com |
---|---|
State | New |
Headers | show |
diff --git a/block/vhdx-log.c b/block/vhdx-log.c index a77c040..7c2630d 100644 --- a/block/vhdx-log.c +++ b/block/vhdx-log.c @@ -435,6 +435,11 @@ static int vhdx_log_flush_desc(BlockDriverState *bs, VHDXLogDescriptor *desc, /* write 'count' sectors of sector */ memset(buffer, 0, VHDX_LOG_SECTOR_SIZE); count = desc->zero_length / VHDX_LOG_SECTOR_SIZE; + } else { + error_report("Invalid VHDX log descriptor entry signature 0x%" PRIx32, + desc->signature); + ret = -EINVAL; + goto exit; } file_offset = desc->file_offset;
This add an error check for an invalid descriptor entry signature, when flushing the log descriptor entries. Signed-off-by: Jeff Cody <jcody@redhat.com> --- block/vhdx-log.c | 5 +++++ 1 file changed, 5 insertions(+)