Revision a930d8790552658140d7d0d2e316af4f0d76a512 authored by Al Viro on 12 March 2013, 02:59:49 UTC, committed by Linus Torvalds on 12 March 2013, 15:29:17 UTC
If you open a pipe for neither read nor write, the pipe code will not
add any usage counters to the pipe, causing the 'struct pipe_inode_info"
to be potentially released early.
That doesn't normally matter, since you cannot actually use the pipe,
but the pipe release code - particularly fasync handling - still expects
the actual pipe infrastructure to all be there. And rather than adding
NULL pointer checks, let's just disallow this case, the same way we
already do for the named pipe ("fifo") case.
This is ancient going back to pre-2.4 days, and until trinity, nobody
naver noticed.
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 7c6baa3
tcrypt.h
/*
* Quick & dirty crypto testing module.
*
* This will only exist until we have a better testing mechanism
* (e.g. a char device).
*
* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
* Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
* Copyright (c) 2007 Nokia Siemens Networks
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#ifndef _CRYPTO_TCRYPT_H
#define _CRYPTO_TCRYPT_H
struct cipher_speed_template {
const char *key;
unsigned int klen;
};
struct hash_speed {
unsigned int blen; /* buffer length */
unsigned int plen; /* per-update length */
unsigned int klen; /* key length */
};
/*
* DES test vectors.
*/
#define DES3_SPEED_VECTORS 1
static struct cipher_speed_template des3_speed_template[] = {
{
.key = "\x01\x23\x45\x67\x89\xab\xcd\xef"
"\x55\x55\x55\x55\x55\x55\x55\x55"
"\xfe\xdc\xba\x98\x76\x54\x32\x10",
.klen = 24,
}
};
/*
* Cipher speed tests
*/
static u8 speed_template_8[] = {8, 0};
static u8 speed_template_24[] = {24, 0};
static u8 speed_template_8_16[] = {8, 16, 0};
static u8 speed_template_8_32[] = {8, 32, 0};
static u8 speed_template_16_32[] = {16, 32, 0};
static u8 speed_template_16_24_32[] = {16, 24, 32, 0};
static u8 speed_template_20_28_36[] = {20, 28, 36, 0};
static u8 speed_template_32_40_48[] = {32, 40, 48, 0};
static u8 speed_template_32_48[] = {32, 48, 0};
static u8 speed_template_32_48_64[] = {32, 48, 64, 0};
static u8 speed_template_32_64[] = {32, 64, 0};
/*
* Digest speed tests
*/
static struct hash_speed generic_hash_speed_template[] = {
{ .blen = 16, .plen = 16, },
{ .blen = 64, .plen = 16, },
{ .blen = 64, .plen = 64, },
{ .blen = 256, .plen = 16, },
{ .blen = 256, .plen = 64, },
{ .blen = 256, .plen = 256, },
{ .blen = 1024, .plen = 16, },
{ .blen = 1024, .plen = 256, },
{ .blen = 1024, .plen = 1024, },
{ .blen = 2048, .plen = 16, },
{ .blen = 2048, .plen = 256, },
{ .blen = 2048, .plen = 1024, },
{ .blen = 2048, .plen = 2048, },
{ .blen = 4096, .plen = 16, },
{ .blen = 4096, .plen = 256, },
{ .blen = 4096, .plen = 1024, },
{ .blen = 4096, .plen = 4096, },
{ .blen = 8192, .plen = 16, },
{ .blen = 8192, .plen = 256, },
{ .blen = 8192, .plen = 1024, },
{ .blen = 8192, .plen = 4096, },
{ .blen = 8192, .plen = 8192, },
/* End marker */
{ .blen = 0, .plen = 0, }
};
static struct hash_speed hash_speed_template_16[] = {
{ .blen = 16, .plen = 16, .klen = 16, },
{ .blen = 64, .plen = 16, .klen = 16, },
{ .blen = 64, .plen = 64, .klen = 16, },
{ .blen = 256, .plen = 16, .klen = 16, },
{ .blen = 256, .plen = 64, .klen = 16, },
{ .blen = 256, .plen = 256, .klen = 16, },
{ .blen = 1024, .plen = 16, .klen = 16, },
{ .blen = 1024, .plen = 256, .klen = 16, },
{ .blen = 1024, .plen = 1024, .klen = 16, },
{ .blen = 2048, .plen = 16, .klen = 16, },
{ .blen = 2048, .plen = 256, .klen = 16, },
{ .blen = 2048, .plen = 1024, .klen = 16, },
{ .blen = 2048, .plen = 2048, .klen = 16, },
{ .blen = 4096, .plen = 16, .klen = 16, },
{ .blen = 4096, .plen = 256, .klen = 16, },
{ .blen = 4096, .plen = 1024, .klen = 16, },
{ .blen = 4096, .plen = 4096, .klen = 16, },
{ .blen = 8192, .plen = 16, .klen = 16, },
{ .blen = 8192, .plen = 256, .klen = 16, },
{ .blen = 8192, .plen = 1024, .klen = 16, },
{ .blen = 8192, .plen = 4096, .klen = 16, },
{ .blen = 8192, .plen = 8192, .klen = 16, },
/* End marker */
{ .blen = 0, .plen = 0, .klen = 0, }
};
#endif /* _CRYPTO_TCRYPT_H */
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