diff options
Diffstat (limited to 'system/xen/xsa/xsa316-xen.patch')
| -rw-r--r-- | system/xen/xsa/xsa316-xen.patch | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/system/xen/xsa/xsa316-xen.patch b/system/xen/xsa/xsa316-xen.patch deleted file mode 100644 index 4962b4e716..0000000000 --- a/system/xen/xsa/xsa316-xen.patch +++ /dev/null @@ -1,30 +0,0 @@ -From: Ross Lagerwall <ross.lagerwall@citrix.com> -Subject: xen/gnttab: Fix error path in map_grant_ref() - -Part of XSA-295 (c/s 863e74eb2cffb) inadvertently re-positioned the brackets, -changing the logic. If the _set_status() call fails, the grant_map hypercall -would fail with a status of 1 (rc != GNTST_okay) instead of the expected -negative GNTST_* error. - -This error path can be taken due to bad guest state, and causes net/blk-back -in Linux to crash. - -This is XSA-316. - -Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com> -Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> -Reviewed-by: Julien Grall <jgrall@amazon.com> - -diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c -index 9fd6e60416..4b5344dc21 100644 ---- a/xen/common/grant_table.c -+++ b/xen/common/grant_table.c -@@ -1031,7 +1031,7 @@ map_grant_ref( - { - if ( (rc = _set_status(shah, status, rd, rgt->gt_version, act, - op->flags & GNTMAP_readonly, 1, -- ld->domain_id) != GNTST_okay) ) -+ ld->domain_id)) != GNTST_okay ) - goto act_release_out; - - if ( !act->pin ) |