Revision c460e7896e6906d4e154f2e7fb7f40d46edbd006 authored by Linus Torvalds on 24 October 2021, 16:43:59 UTC, committed by Linus Torvalds on 24 October 2021, 16:43:59 UTC
Pull ksmbd fixes from Steve French: "Ten fixes for the ksmbd kernel server, for improved security and additional buffer overflow checks: - a security improvement to session establishment to reduce the possibility of dictionary attacks - fix to ensure that maximum i/o size negotiated in the protocol is not less than 64K and not more than 8MB to better match expected behavior - fix for crediting (flow control) important to properly verify that sufficient credits are available for the requested operation - seven additional buffer overflow, buffer validation checks" * tag '5.15-rc6-ksmbd-fixes' of git://git.samba.org/ksmbd: ksmbd: add buffer validation in session setup ksmbd: throttle session setup failures to avoid dictionary attacks ksmbd: validate OutputBufferLength of QUERY_DIR, QUERY_INFO, IOCTL requests ksmbd: validate credit charge after validating SMB2 PDU body size ksmbd: add buffer validation for smb direct ksmbd: limit read/write/trans buffer size not to exceed 8MB ksmbd: validate compound response buffer ksmbd: fix potencial 32bit overflow from data area check in smb2_write ksmbd: improve credits management ksmbd: add validation in smb2_ioctl
acpi.h
/******************************************************************************
* acpi.h
* acpi file for domain 0 kernel
*
* Copyright (c) 2011 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* Copyright (c) 2011 Yu Ke <ke.yu@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation; or, when distributed
* separately from the Linux kernel or incorporated into other
* software packages, subject to the following license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this source file (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy, modify,
* merge, publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef _XEN_ACPI_H
#define _XEN_ACPI_H
#include <linux/types.h>
#ifdef CONFIG_XEN_DOM0
#include <asm/xen/hypervisor.h>
#include <xen/xen.h>
#include <linux/acpi.h>
int xen_acpi_notify_hypervisor_sleep(u8 sleep_state,
u32 pm1a_cnt, u32 pm1b_cnd);
int xen_acpi_notify_hypervisor_extended_sleep(u8 sleep_state,
u32 val_a, u32 val_b);
static inline int xen_acpi_suspend_lowlevel(void)
{
/*
* Xen will save and restore CPU context, so
* we can skip that and just go straight to
* the suspend.
*/
acpi_enter_sleep_state(ACPI_STATE_S3);
return 0;
}
static inline void xen_acpi_sleep_register(void)
{
if (xen_initial_domain()) {
acpi_os_set_prepare_sleep(
&xen_acpi_notify_hypervisor_sleep);
acpi_os_set_prepare_extended_sleep(
&xen_acpi_notify_hypervisor_extended_sleep);
acpi_suspend_lowlevel = xen_acpi_suspend_lowlevel;
}
}
#else
static inline void xen_acpi_sleep_register(void)
{
}
#endif
#endif /* _XEN_ACPI_H */
![swh spinner](/static/img/swh-spinner.gif)
Computing file changes ...