7ee4e910ce
option, unbreak the lock tracing release semantic by embedding calls to LOCKSTAT_PROFILE_RELEASE_LOCK() direclty in the inlined version of the releasing functions for mutex, rwlock and sxlock. Failing to do so skips the lockstat_probe_func invokation for unlocking. - As part of the LOCKSTAT support is inlined in mutex operation, for kernel compiled without lock debugging options, potentially every consumer must be compiled including opt_kdtrace.h. Fix this by moving KDTRACE_HOOKS into opt_global.h and remove the dependency by opt_kdtrace.h for all files, as now only KDTRACE_FRAMES is linked there and it is only used as a compile-time stub [0]. [0] immediately shows some new bug as DTRACE-derived support for debug in sfxge is broken and it was never really tested. As it was not including correctly opt_kdtrace.h before it was never enabled so it was kept broken for a while. Fix this by using a protection stub, leaving sfxge driver authors the responsibility for fixing it appropriately [1]. Sponsored by: EMC / Isilon storage division Discussed with: rstone [0] Reported by: rstone [1] Discussed with: philip
144 lines
4.3 KiB
C
144 lines
4.3 KiB
C
/*-
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* Copyright (c) 1999-2002, 2009 Robert N. M. Watson
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* Copyright (c) 2001 Ilmar S. Habibulin
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* Copyright (c) 2001-2004 Networks Associates Technology, Inc.
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* Copyright (c) 2006 SPARTA, Inc.
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*
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* This software was developed by Robert Watson and Ilmar Habibulin for the
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* TrustedBSD Project.
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*
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* This software was developed for the FreeBSD Project in part by Network
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* Associates Laboratories, the Security Research Division of Network
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* Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
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* as part of the DARPA CHATS research program.
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*
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* This software was enhanced by SPARTA ISSO under SPAWAR contract
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* N66001-04-C-6019 ("SEFOS").
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*
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* This software was developed at the University of Cambridge Computer
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* Laboratory with support from a grant from Google, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/queue.h>
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#include <sys/sdt.h>
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#include <sys/vnode.h>
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#include <security/audit/audit.h>
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#include <security/mac/mac_framework.h>
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#include <security/mac/mac_internal.h>
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#include <security/mac/mac_policy.h>
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MAC_CHECK_PROBE_DEFINE2(cred_check_setaudit, "struct ucred *",
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"struct auditinfo *");
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int
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mac_cred_check_setaudit(struct ucred *cred, struct auditinfo *ai)
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{
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int error;
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MAC_POLICY_CHECK_NOSLEEP(cred_check_setaudit, cred, ai);
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MAC_CHECK_PROBE2(cred_check_setaudit, error, cred, ai);
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return (error);
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}
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MAC_CHECK_PROBE_DEFINE2(cred_check_setaudit_addr, "struct ucred *",
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"struct auditinfo_addr *");
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int
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mac_cred_check_setaudit_addr(struct ucred *cred, struct auditinfo_addr *aia)
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{
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int error;
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MAC_POLICY_CHECK_NOSLEEP(cred_check_setaudit_addr, cred, aia);
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MAC_CHECK_PROBE2(cred_check_setaudit_addr, error, cred, aia);
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return (error);
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}
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MAC_CHECK_PROBE_DEFINE2(cred_check_setauid, "struct ucred *", "uid_t");
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int
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mac_cred_check_setauid(struct ucred *cred, uid_t auid)
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{
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int error;
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MAC_POLICY_CHECK_NOSLEEP(cred_check_setauid, cred, auid);
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MAC_CHECK_PROBE2(cred_check_setauid, error, cred, auid);
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return (error);
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}
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MAC_CHECK_PROBE_DEFINE3(system_check_audit, "struct ucred *", "void *",
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"int");
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int
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mac_system_check_audit(struct ucred *cred, void *record, int length)
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{
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int error;
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MAC_POLICY_CHECK_NOSLEEP(system_check_audit, cred, record, length);
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MAC_CHECK_PROBE3(system_check_audit, error, cred, record, length);
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return (error);
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}
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MAC_CHECK_PROBE_DEFINE2(system_check_auditctl, "struct ucred *",
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"struct vnode *");
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int
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mac_system_check_auditctl(struct ucred *cred, struct vnode *vp)
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{
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int error;
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struct label *vl;
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ASSERT_VOP_LOCKED(vp, "mac_system_check_auditctl");
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vl = (vp != NULL) ? vp->v_label : NULL;
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MAC_POLICY_CHECK(system_check_auditctl, cred, vp, vl);
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MAC_CHECK_PROBE2(system_check_auditctl, error, cred, vp);
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return (error);
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}
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MAC_CHECK_PROBE_DEFINE2(system_check_auditon, "struct ucred *", "int");
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int
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mac_system_check_auditon(struct ucred *cred, int cmd)
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{
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int error;
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MAC_POLICY_CHECK_NOSLEEP(system_check_auditon, cred, cmd);
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MAC_CHECK_PROBE2(system_check_auditon, error, cred, cmd);
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return (error);
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}
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