test-tool, xcopy: Fix target descriptor handling

Fail the XCOPY tests if no appropriate target descriptor is available
instead of causing memory corruption or truncating the descriptor.
This commit is contained in:
Bart Van Assche
2021-09-05 18:15:04 -07:00
parent aa214feaf3
commit b781b21d50
9 changed files with 145 additions and 42 deletions

View File

@@ -29,7 +29,7 @@
void
test_extendedcopy_param(void)
{
int tgt_desc_len = 0, seg_desc_len = 0, offset = XCOPY_DESC_OFFSET;
int tgt_desc_len = 0, seg_desc_len = 0, offset = XCOPY_DESC_OFFSET, len;
struct iscsi_data data;
unsigned char *xcopybuf;
@@ -45,8 +45,14 @@ test_extendedcopy_param(void)
xcopybuf = data.data;
memset(xcopybuf, 0, data.size);
offset += populate_tgt_desc(xcopybuf+offset, IDENT_DESCR_TGT_DESCR,
len = populate_tgt_desc(xcopybuf+offset, IDENT_DESCR_TGT_DESCR,
LU_ID_TYPE_LUN, 0, 0, 0, 0, sd);
if (len < 0) {
CU_FAIL("Populating target descriptor failed");
return;
}
offset += len;
tgt_desc_len = offset - XCOPY_DESC_OFFSET;
offset += populate_seg_desc_b2b(xcopybuf+offset, 0, 0, 0, 0,