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9p: acl: fix uninitialized iattr access
[ Upstream commit e02a53d92e
]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 1 additions and 1 deletions
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@ -276,7 +276,7 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
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switch (handler->flags) {
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case ACL_TYPE_ACCESS:
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if (acl) {
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struct iattr iattr;
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struct iattr iattr = { 0 };
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struct posix_acl *old_acl = acl;
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retval = posix_acl_update_mode(inode, &iattr.ia_mode, &acl);
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