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9pfs: deprecate 'proxy' backend

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As recent CVE-2023-2861 (fixed by f6b0de53fb) once again showed, the 9p
'proxy' fs driver is in bad shape. Using the 'proxy' backend was already
discouraged for safety reasons before and we recommended to use the
'local' backend (preferably in conjunction with its 'mapped' security
model) instead, but now it is time to officially deprecate the 'proxy'
backend.

Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <E1qDkmw-0007M1-8f@lizzy.crudebyte.com>
This commit is contained in:
Christian Schoenebeck
2023-06-26 13:49:06 +02:00
parent 0618e72d64
commit 71d72ececa
9 changed files with 67 additions and 3 deletions
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@ -2124,13 +2124,20 @@ S: Odd Fixes
W: https://wiki.qemu.org/Documentation/9p
F: hw/9pfs/
X: hw/9pfs/xen-9p*
X: hw/9pfs/9p-proxy*
F: fsdev/
F: docs/tools/virtfs-proxy-helper.rst
X: fsdev/virtfs-proxy-helper.c
F: tests/qtest/virtio-9p-test.c
F: tests/qtest/libqos/virtio-9p*
T: git https://gitlab.com/gkurz/qemu.git 9p-next
T: git https://github.com/cschoenebeck/qemu.git 9p.next
virtio-9p-proxy
F: hw/9pfs/9p-proxy*
F: fsdev/virtfs-proxy-helper.c
F: docs/tools/virtfs-proxy-helper.rst
S: Obsolete
virtio-blk
M: Stefan Hajnoczi <stefanha@redhat.com>
L: qemu-block@nongnu.org