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authorDominique Martinet <dominique.martinet@cea.fr>2018-09-08 00:10:57 +0900
committerDominique Martinet <dominique.martinet@cea.fr>2018-09-08 01:51:50 +0900
commite02a53d92e197706cad1627bd84705d4aa20a145 (patch)
tree9c9ccc69c27cf9ee8e9331d50ae6bc0640613378 /fs/9p
parent5e172f75e51e3de1b4274146d9b990f803cb5c2a (diff)
9p: acl: fix uninitialized iattr access
iattr is passed to v9fs_vfs_setattr_dotl which does send various values from iattr over the wire, even if it tells the server to only look at iattr.ia_valid fields this could leak some stack data. Link: http://lkml.kernel.org/r/1536339057-21974-2-git-send-email-asmadeus@codewreck.org Addresses-Coverity-ID: 1195601 ("Uninitalized scalar variable") Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/acl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 082d227fa56b..6261719f6f2a 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -276,7 +276,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
switch (handler->flags) {
case ACL_TYPE_ACCESS:
if (acl) {
- struct iattr iattr;
+ struct iattr iattr = { 0 };
struct posix_acl *old_acl = acl;
retval = posix_acl_update_mode(inode, &iattr.ia_mode, &acl);