Jan Beulich 3cb86952ce xen-blkback: don't leak persistent grants from xen_blkbk_map() ...

commit a846738f8c3788d846ed1f587270d2f2e3d32432 upstream.

The fix for XSA-365 zapped too many of the ->persistent_gnt[] entries.
Ones successfully obtained should not be overwritten, but instead left
for xen_blkbk_unmap_prepare() to pick up and put.

This is XSA-371.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: stable@vger.kernel.org
Reviewed-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Wei Liu <wl@xen.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2021-03-30 14:41:43 +02:00

..

blkback.c

xen-blkback: don't leak persistent grants from xen_blkbk_map()

2021-03-30 14:41:43 +02:00

common.h

xen-blkback: don't leak stack data via response ring

2017-06-29 13:00:27 +02:00

Makefile

…

xenbus.c

xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path()

2021-01-09 13:35:50 +01:00