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| author | Ales Novak <alnovak@suse.cz> | 2014-02-27 11:03:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-23 21:37:08 -0700 |
| commit | 7c1de3509ed50e5091ee1344689e6c0552943787 (patch) | |
| tree | 85c22effaa1f9895520542b6495e6014ef883ce3 /lib/debugobjects.c | |
| parent | 3ce68dc6e9d3126c33a52879f9d0d45da670bfc0 (diff) | |
SCSI: storvsc: NULL pointer dereference fix
commit b12bb60d6c350b348a4e1460cd68f97ccae9822e upstream.
If the initialization of storvsc fails, the storvsc_device_destroy()
causes NULL pointer dereference.
storvsc_bus_scan()
scsi_scan_target()
__scsi_scan_target()
scsi_probe_and_add_lun(hostdata=NULL)
scsi_alloc_sdev(hostdata=NULL)
sdev->hostdata = hostdata
now the host allocation fails
__scsi_remove_device(sdev)
calls sdev->host->hostt->slave_destroy() ==
storvsc_device_destroy(sdev)
access of sdev->hostdata->request_mempool
Signed-off-by: Ales Novak <alnovak@suse.cz>
Signed-off-by: Thomas Abraham <tabraham@suse.com>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/debugobjects.c')
0 files changed, 0 insertions, 0 deletions