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* integrity: check the return value of audit_log_start()Xiaoke Wang2022-02-021-0/+2
| | | | | | | | | | | audit_log_start() returns audit_buffer pointer on success or NULL on error, so it is better to check the return value of it. Fixes: 3323eec921ef ("integrity: IMA as an integrity service provider") Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Cc: <stable@vger.kernel.org> Reviewed-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
* integrity: Use current_uid() in integrity_audit_message()Denis Efremov2020-08-311-1/+1
| | | | | | | Modify integrity_audit_message() to use current_uid(). Signed-off-by: Denis Efremov <efremov@linux.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
* integrity: Add errno field in audit messageLakshmi Ramasubramanian2020-07-171-1/+10
| | | | | | | | | | | | | | | | | | | | | Error code is not included in the audit messages logged by the integrity subsystem. Define a new function integrity_audit_message() that takes error code in the "errno" parameter. Add "errno" field in the audit messages logged by the integrity subsystem and set the value passed in the "errno" parameter. [ 6.303048] audit: type=1804 audit(1592506281.627:2): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=kernel op=measuring_key cause=ENOMEM comm="swapper/0" name=".builtin_trusted_keys" res=0 errno=-12 [ 7.987647] audit: type=1802 audit(1592506283.312:9): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 op=policy_update cause=completed comm="systemd" res=1 errno=0 [ 8.019432] audit: type=1804 audit(1592506283.344:10): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 op=measuring_kexec_cmdline cause=hashing_error comm="systemd" name="kexec-cmdline" res=0 errno=-22 Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com> Suggested-by: Steve Grubb <sgrubb@redhat.com> Suggested-by: Mimi Zohar <zohar@linux.ibm.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441Thomas Gleixner2019-06-051-4/+1
| | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): 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 version 2 of the license extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 315 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Armijn Hemel <armijn@tjaldur.nl> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ima: Use audit_log_format() rather than audit_log_string()Stefan Berger2018-07-181-5/+1
| | | | | | | | | | Remove the usage of audit_log_string() and replace it with audit_log_format(). Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com> Suggested-by: Steve Grubb <sgrubb@redhat.com> Acked-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
* audit: use inline function to get audit contextRichard Guy Briggs2018-05-141-1/+1
| | | | | | | | | | Recognizing that the audit context is an internal audit value, use an access function to retrieve the audit context pointer for the task rather than reaching directly into the task struct to get it. Signed-off-by: Richard Guy Briggs <rgb@redhat.com> [PM: merge fuzz in auditsc.c and selinuxfs.c, checkpatch.pl fixes] Signed-off-by: Paul Moore <paul@paul-moore.com>
* Merge git://git.infradead.org/users/eparis/auditLinus Torvalds2014-04-121-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull audit updates from Eric Paris. * git://git.infradead.org/users/eparis/audit: (28 commits) AUDIT: make audit_is_compat depend on CONFIG_AUDIT_COMPAT_GENERIC audit: renumber AUDIT_FEATURE_CHANGE into the 1300 range audit: do not cast audit_rule_data pointers pointlesly AUDIT: Allow login in non-init namespaces audit: define audit_is_compat in kernel internal header kernel: Use RCU_INIT_POINTER(x, NULL) in audit.c sched: declare pid_alive as inline audit: use uapi/linux/audit.h for AUDIT_ARCH declarations syscall_get_arch: remove useless function arguments audit: remove stray newline from audit_log_execve_info() audit_panic() call audit: remove stray newlines from audit_log_lost messages audit: include subject in login records audit: remove superfluous new- prefix in AUDIT_LOGIN messages audit: allow user processes to log from another PID namespace audit: anchor all pid references in the initial pid namespace audit: convert PPIDs to the inital PID namespace. pid: get pid_t ppid of task in init_pid_ns audit: rename the misleading audit_get_context() to audit_take_context() audit: Add generic compat syscall support audit: Add CONFIG_HAVE_ARCH_AUDITSYSCALL ...
| * audit: anchor all pid references in the initial pid namespaceRichard Guy Briggs2014-03-201-1/+1
| | | | | | | | | | | | | | | | | | | | Store and log all PIDs with reference to the initial PID namespace and use the access functions task_pid_nr() and task_tgid_nr() for task->pid and task->tgid. Cc: "Eric W. Biederman" <ebiederm@xmission.com> (informed by ebiederman's c776b5d2) Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
* | integrity: fix checkpatch errorsDmitry Kasatkin2014-03-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Between checkpatch changes (eg. sizeof) and inconsistencies between Lindent and checkpatch, unfixed checkpatch errors make it difficult to see new errors. This patch fixes them. Some lines with over 80 chars remained unchanged to improve code readability. The "extern" keyword is removed from internal evm.h to make it consistent with internal ima.h. Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
* | Integrity: Pass commname via get_task_comm()Tetsuo Handa2014-03-071-1/+2
| | | | | | | | | | | | | | | | | | | | When we pass task->comm to audit_log_untrustedstring(), we need to pass it via get_task_comm() because task->comm can be changed to contain untrusted string by other threads after audit_log_untrustedstring() confirmed that task->comm does not contain untrusted string. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
* | security: replace strict_strto*() with kstrto*()Jingoo Han2014-02-061-1/+1
|/ | | | | | | | | The usage of strict_strto*() is not preferred, because strict_strto*() is obsolete. Thus, kstrto*() should be used. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
* integrity: move integrity_audit_msg()Mimi Zohar2013-06-201-0/+64
This patch moves the integrity_audit_msg() function and defintion to security/integrity/, the parent directory, renames the 'ima_audit' boot command line option to 'integrity_audit', and fixes the Kconfig help text to reflect the actual code. Changelog: - Fixed ifdef inclusion of integrity_audit_msg() (Fengguang Wu) Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
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