diff options
Diffstat (limited to 'block/nbd.c')
| -rw-r--r-- | block/nbd.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/block/nbd.c b/block/nbd.c index 123976171c..5f18f78a94 100644 --- a/block/nbd.c +++ b/block/nbd.c @@ -1832,6 +1832,10 @@ static int nbd_process_options(BlockDriverState *bs, QDict *options, } s->export = g_strdup(qemu_opt_get(opts, "export")); + if (s->export && strlen(s->export) > NBD_MAX_STRING_SIZE) { + error_setg(errp, "export name too long to send to server"); + goto error; + } s->tlscredsid = g_strdup(qemu_opt_get(opts, "tls-creds")); if (s->tlscredsid) { @@ -1849,6 +1853,11 @@ static int nbd_process_options(BlockDriverState *bs, QDict *options, } s->x_dirty_bitmap = g_strdup(qemu_opt_get(opts, "x-dirty-bitmap")); + if (s->x_dirty_bitmap && strlen(s->x_dirty_bitmap) > NBD_MAX_STRING_SIZE) { + error_setg(errp, "x-dirty-bitmap query too long to send to server"); + goto error; + } + s->reconnect_delay = qemu_opt_get_number(opts, "reconnect-delay", 0); ret = 0; @@ -1859,6 +1868,7 @@ static int nbd_process_options(BlockDriverState *bs, QDict *options, qapi_free_SocketAddress(s->saddr); g_free(s->export); g_free(s->tlscredsid); + g_free(s->x_dirty_bitmap); } qemu_opts_del(opts); return ret; |