28.03.2018 00:05, Eric Blake wrote:
iotests 123 and 209 fail on 32-bit platforms. The culprit: sizeof(extent) is wrong; we want sizeof(*extent). But since the struct is 8 bytes, it happened to work on 64-bit platforms where the pointer is also 8 bytes (nasty).Fixes: 78a33ab58 Reported-by: Max Reitz <mre...@redhat.com> Signed-off-by: Eric Blake <ebl...@redhat.com> --- block/nbd-client.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/nbd-client.c b/block/nbd-client.c index e64e346d690..e7caf49fbb4 100644 --- a/block/nbd-client.c +++ b/block/nbd-client.c @@ -239,7 +239,7 @@ static int nbd_parse_blockstatus_payload(NBDClientSession *client, { uint32_t context_id; - if (chunk->length != sizeof(context_id) + sizeof(extent)) { + if (chunk->length != sizeof(context_id) + sizeof(*extent)) { error_setg(errp, "Protocol error: invalid payload for " "NBD_REPLY_TYPE_BLOCK_STATUS"); return -EINVAL;
my mistake, sorry for it :( Reviewed-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com> -- Best regards, Vladimir
