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88584c30e3
Dan Carpenter reports following static checker warning:
net/xfrm/xfrm_policy.c:1316 xfrm_hash_rebuild()
warn: 'dir' is out of bounds '3' vs '2'
| 1280 /* reset the bydst and inexact table in all directions */
| 1281 xfrm_hash_reset_inexact_table(net);
| 1282
| 1283 for (dir = 0; dir < XFRM_POLICY_MAX; dir++) {
| ^^^^^^^^^^^^^^^^^^^^^
|dir == XFRM_POLICY_MAX at the end of this loop.
| 1304 /* re-insert all policies by order of creation */
| 1305 list_for_each_entry_reverse(policy, &net->xfrm.policy_all, walk.all) {
[..]
| 1314 xfrm_policy_id2dir(policy->index));
| 1315 if (!chain) {
| 1316 void *p = xfrm_policy_inexact_insert(policy, dir, 0);
Fix this by updating 'dir' based on current policy. Otherwise, the
inexact policies won't be found anymore during lookup, as they get
hashed to a bogus bin.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes:
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.