ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

iscsi: Don't access non-existent scsi_lba_status_descriptor 

In iscsi_co_block_status(), we may have received num_descriptors == 0
from the iscsi server. Therefore, we can't unconditionally access
lbas->descriptors[0]. Add the missing check.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Felipe Franciosi <felipe@nutanix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Peter Lieven <pl@kamp.de>
This commit is contained in:
Kevin Wolf 2020-01-23 18:00:54 +01:00
parent 693fd2acdf
commit 5fbf1d56c2
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
block/iscsi.c
View File

@ -753,7 +753,7 @@ retry:
} }
lbas = scsi_datain_unmarshall(iTask.task); lbas = scsi_datain_unmarshall(iTask.task);
if (lbas == NULL) { if (lbas == NULL || lbas->num_descriptors == 0) {
ret = -EIO; ret = -EIO;
goto out_unlock; goto out_unlock;
} }