diff options
| author | Fubo Chen <fubo.chen@gmail.com> | 2011-02-14 02:13:42 +0300 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2011-07-22 13:37:42 +0400 |
| commit | d814495599354924eb4de84727680564d685ce9e (patch) | |
| tree | f03248dfcd68bf297697ab7e110070033aad4dc0 /drivers/target/target_core_device.c | |
| parent | 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff) | |
| download | linux-d814495599354924eb4de84727680564d685ce9e.tar.xz | |
target: Check LUN numbers in transport_get_lun_for_[cmd,tmr]
This patch checks the passed 'unpacked_lun' against TRANSPORT_MAX_LUNS_PER_TPG
before reading from struct se_node_acl->device_list[].
Signed-off-by: Fubo Chen <fubo.chen@gmail.com>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/target_core_device.c')
| -rw-r--r-- | drivers/target/target_core_device.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index ba698ea62bb2..f5516a1a32e8 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -65,6 +65,12 @@ int transport_get_lun_for_cmd( unsigned long flags; int read_only = 0; + if (unpacked_lun >= TRANSPORT_MAX_LUNS_PER_TPG) { + se_cmd->scsi_sense_reason = TCM_NON_EXISTENT_LUN; + se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; + return -1; + } + spin_lock_irq(&SE_NODE_ACL(se_sess)->device_list_lock); deve = se_cmd->se_deve = &SE_NODE_ACL(se_sess)->device_list[unpacked_lun]; @@ -187,6 +193,12 @@ int transport_get_lun_for_tmr( struct se_session *se_sess = SE_SESS(se_cmd); struct se_tmr_req *se_tmr = se_cmd->se_tmr_req; + if (unpacked_lun >= TRANSPORT_MAX_LUNS_PER_TPG) { + se_cmd->scsi_sense_reason = TCM_NON_EXISTENT_LUN; + se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION; + return -1; + } + spin_lock_irq(&SE_NODE_ACL(se_sess)->device_list_lock); deve = se_cmd->se_deve = &SE_NODE_ACL(se_sess)->device_list[unpacked_lun]; |