Searched hist:"1 da45e0c" (Results 1 – 1 of 1) sorted by relevance
| /qemu/block/ |
| H A D | iscsi.c | 1da45e0c Mon Jan 16 15:17:12 GMT 2017 Peter Lieven <pl@kamp.de> block/iscsi: avoid data corruption with cache=writeback
nb_cls_shrunk in iscsi_allocmap_update can become -1 if the
request starts and ends within the same cluster. This results
in passing -1 to bitmap_set and bitmap_clear and they don't
handle negative values properly. In the end this leads to data
corruption.
Fixes: e1123a3b40a1a9a625a29c8ed4debb7e206ea690
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-Id: <1484579832-18589-1-git-send-email-pl@kamp.de>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|