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9e67600ed6
A kernel panic was observed due to a timing issue between the sync thread and the initiator processing a login response from the target. The session reopen can be invoked both from the session sync thread when iscsid restarts and from iscsid through the error handler. Before the initiator receives the response to a login, another reopen request can be sent from the error handler/sync session. When the initial login response is subsequently processed, the connection has been closed and the socket has been released. To fix this a new connection state, ISCSI_CONN_BOUND, is added: - Set the connection state value to ISCSI_CONN_DOWN upon iscsi_if_ep_disconnect() and iscsi_if_stop_conn() - Set the connection state to the newly created value ISCSI_CONN_BOUND after bind connection (transport->bind_conn()) - In iscsi_set_param(), return -ENOTCONN if the connection state is not either ISCSI_CONN_BOUND or ISCSI_CONN_UP Link: https://lore.kernel.org/r/20210325093248.284678-1-gulam.mohamed@oracle.com Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Gulam Mohamed <gulam.mohamed@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> index 91074fd97f64..f4bf62b007a0 100644 |
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| .. | ||
| fc | ||
| fc_frame.h | ||
| fcoe_sysfs.h | ||
| iscsi_if.h | ||
| iscsi_proto.h | ||
| iser.h | ||
| libfc.h | ||
| libfcoe.h | ||
| libiscsi_tcp.h | ||
| libiscsi.h | ||
| libsas.h | ||
| sas_ata.h | ||
| sas.h | ||
| scsi_bsg_iscsi.h | ||
| scsi_cmnd.h | ||
| scsi_common.h | ||
| scsi_dbg.h | ||
| scsi_device.h | ||
| scsi_devinfo.h | ||
| scsi_dh.h | ||
| scsi_driver.h | ||
| scsi_eh.h | ||
| scsi_host.h | ||
| scsi_ioctl.h | ||
| scsi_proto.h | ||
| scsi_request.h | ||
| scsi_tcq.h | ||
| scsi_transport_fc.h | ||
| scsi_transport_iscsi.h | ||
| scsi_transport_sas.h | ||
| scsi_transport_spi.h | ||
| scsi_transport_srp.h | ||
| scsi_transport.h | ||
| scsi.h | ||
| scsicam.h | ||
| sg.h | ||
| srp.h | ||
| viosrp.h | ||