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audit/stable-4.14 PR 20170907

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Merge tag 'audit-pr-20170907' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit

Pull audit updates from Paul Moore:
 "A small pull request for audit this time, only four patches and only
  two with any real code changes.

  Those two changes are the removal of a pointless SELinux AVC
  initialization audit event and a fix to improve the audit timestamp
  overhead.

  The other two patches are comment cleanup and administrative updates,
  nothing very exciting.

  Everything passes our tests"

* tag 'audit-pr-20170907' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
  audit: update the function comments
  selinux: remove AVC init audit log message
  audit: update the audit info in MAINTAINERS
  audit: Reduce overhead using a coarse clock
This commit is contained in:
Linus Torvalds 2017-09-07 20:48:25 -07:00
commit 0fb02e718f
4 changed files with 16 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
MAINTAINERS
View file

@ -2413,9 +2413,10 @@ AUDIT SUBSYSTEM
M: Paul Moore <paul@paul-moore.com>
M: Eric Paris <eparis@redhat.com>
L: linux-audit@redhat.com (moderated for non-subscribers)
W: http://people.redhat.com/sgrubb/audit/
T: git git://git.infradead.org/users/pcmoore/audit
S: Maintained
W: https://github.com/linux-audit
W: https://people.redhat.com/sgrubb/audit
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit.git
S: Supported
F: include/linux/audit.h
F: include/uapi/linux/audit.h
F: kernel/audit*

4
kernel/audit.c
View file

@ -1662,7 +1662,7 @@ static inline void audit_get_stamp(struct audit_context *ctx,
struct timespec64 *t, unsigned int *serial)
{
if (!ctx || !auditsc_get_stamp(ctx, t, serial)) {
ktime_get_real_ts64(t);
*t = current_kernel_time64();
*serial = audit_serial();
}
}
@ -1833,7 +1833,7 @@ void audit_log_format(struct audit_buffer *ab, const char *fmt, ...)
}
/**
* audit_log_hex - convert a buffer to hex and append it to the audit skb
* audit_log_n_hex - convert a buffer to hex and append it to the audit skb
* @ab: the audit_buffer
* @buf: buffer to convert to hex
* @len: length of @buf to be converted

20
kernel/auditsc.c
View file

@ -1462,7 +1462,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts
}
/**
* audit_free - free a per-task audit context
* __audit_free - free a per-task audit context
* @tsk: task whose audit context block to free
*
* Called from copy_process and do_exit
@ -1489,7 +1489,7 @@ void __audit_free(struct task_struct *tsk)
}
/**
* audit_syscall_entry - fill in an audit record at syscall entry
* __audit_syscall_entry - fill in an audit record at syscall entry
* @major: major syscall type (function)
* @a1: additional syscall register 1
* @a2: additional syscall register 2
@ -1536,14 +1536,14 @@ void __audit_syscall_entry(int major, unsigned long a1, unsigned long a2,
return;
context->serial = 0;
ktime_get_real_ts64(&context->ctime);
context->ctime = current_kernel_time64();
context->in_syscall = 1;
context->current_state = state;
context->ppid = 0;
}
/**
* audit_syscall_exit - deallocate audit context after a system call
* __audit_syscall_exit - deallocate audit context after a system call
* @success: success value of the syscall
* @return_code: return value of the syscall
*
@ -1705,7 +1705,7 @@ static struct audit_names *audit_alloc_name(struct audit_context *context,
}
/**
* audit_reusename - fill out filename with info from existing entry
* __audit_reusename - fill out filename with info from existing entry
* @uptr: userland ptr to pathname
*
* Search the audit_names list for the current audit context. If there is an
@ -1730,7 +1730,7 @@ __audit_reusename(const __user char *uptr)
}
/**
* audit_getname - add a name to the list
* __audit_getname - add a name to the list
* @name: name to add
*
* Add a name to the list of audit names for this context.
@ -2135,7 +2135,7 @@ void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat)
}
/**
* audit_ipc_obj - record audit data for ipc object
* __audit_ipc_obj - record audit data for ipc object
* @ipcp: ipc permissions
*
*/
@ -2151,7 +2151,7 @@ void __audit_ipc_obj(struct kern_ipc_perm *ipcp)
}
/**
* audit_ipc_set_perm - record audit data for new ipc permissions
* __audit_ipc_set_perm - record audit data for new ipc permissions
* @qbytes: msgq bytes
* @uid: msgq user id
* @gid: msgq group id
@ -2180,7 +2180,7 @@ void __audit_bprm(struct linux_binprm *bprm)
/**
* audit_socketcall - record audit data for sys_socketcall
* __audit_socketcall - record audit data for sys_socketcall
* @nargs: number of args, which should not be more than AUDITSC_ARGS.
* @args: args array
*
@ -2211,7 +2211,7 @@ void __audit_fd_pair(int fd1, int fd2)
}
/**
* audit_sockaddr - record audit data for sys_bind, sys_connect, sys_sendto
* __audit_sockaddr - record audit data for sys_bind, sys_connect, sys_sendto
* @len: data length in user space
* @a: data address in kernel space
*

2
security/selinux/avc.c
View file

@ -197,8 +197,6 @@ void __init avc_init(void)
avc_xperms_data_cachep = kmem_cache_create("avc_xperms_data",
sizeof(struct extended_perms_data),
0, SLAB_PANIC, NULL);
audit_log(current->audit_context, GFP_KERNEL, AUDIT_KERNEL, "AVC INITIALIZED\n");
}
int avc_get_hash_stats(char *page)