16c00db4bb
Pull AFS fixes from David Howells:
"Here's a set of patches that fix a number of bugs in the in-kernel AFS
client, including:
- Fix directory locking to not use individual page locks for
directory reading/scanning but rather to use a semaphore on the
afs_vnode struct as the directory contents must be read in a single
blob and data from different reads must not be mixed as the entire
contents may be shuffled about between reads.
- Fix address list parsing to handle port specifiers correctly.
- Only give up callback records on a server if we actually talked to
that server (we might not be able to access a server).
- Fix some callback handling bugs, including refcounting,
whole-volume callbacks and when callbacks actually get broken in
response to a CB.CallBack op.
- Fix some server/address rotation bugs, including giving up if we
can't probe a server; giving up if a server says it doesn't have a
volume, but there are more servers to try.
- Fix the decoding of fetched statuses to be OpenAFS compatible.
- Fix the handling of server lookups in Cache Manager ops (such as
CB.InitCallBackState3) to use a UUID if possible and to handle no
server being found.
- Fix a bug in server lookup where not all addresses are compared.
- Fix the non-encryption of calls that prevents some servers from
being accessed (this also requires an AF_RXRPC patch that has
already gone in through the net tree).
There's also a patch that adds tracepoints to log Cache Manager ops
that don't find a matching server, either by UUID or by address"
* tag 'afs-fixes-20180514' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Fix the non-encryption of calls
afs: Fix CB.CallBack handling
afs: Fix whole-volume callback handling
afs: Fix afs_find_server search loop
afs: Fix the handling of an unfound server in CM operations
afs: Add a tracepoint to record callbacks from unlisted servers
afs: Fix the handling of CB.InitCallBackState3 to find the server by UUID
afs: Fix VNOVOL handling in address rotation
afs: Fix AFSFetchStatus decoder to provide OpenAFS compatibility
afs: Fix server rotation's handling of fileserver probe failure
afs: Fix refcounting in callback registration
afs: Fix giving up callbacks on server destruction
afs: Fix address list parsing
afs: Fix directory page locking
38 lines
887 B
C
38 lines
887 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/compiler.h>
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#include <linux/kernel.h>
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#include "tests.h"
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#include "debug.h"
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#include "print_binary.h"
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int test__is_printable_array(struct test *test __maybe_unused, int subtest __maybe_unused)
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{
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char buf1[] = { 'k', 'r', 4, 'v', 'a', 0 };
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char buf2[] = { 'k', 'r', 'a', 'v', 4, 0 };
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struct {
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char *buf;
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unsigned int len;
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int ret;
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} t[] = {
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{ (char *) "krava", sizeof("krava"), 1 },
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{ (char *) "krava", sizeof("krava") - 1, 0 },
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{ (char *) "", sizeof(""), 1 },
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{ (char *) "", 0, 0 },
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{ NULL, 0, 0 },
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{ buf1, sizeof(buf1), 0 },
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{ buf2, sizeof(buf2), 0 },
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};
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(t); i++) {
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int ret;
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ret = is_printable_array((char *) t[i].buf, t[i].len);
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if (ret != t[i].ret) {
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pr_err("failed: test %u\n", i);
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return TEST_FAIL;
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}
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}
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return TEST_OK;
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}
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