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audit: consolidate handling of mm->exe_file

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This patch adds a audit_log_d_path_exe() helper function
to share how we handle auditing of the exe_file's path.
Used by both audit and auditsc. No functionality is changed.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
[PM: tweaked subject line]
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Davidlohr Bueso
2015-02-22 18:20:00 -08:00
committed by Paul Moore
parent 5985de6754
commit 4766b199ef
3 changed files with 19 additions and 16 deletions
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9
kernel/auditsc.c
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@@ -2460,7 +2460,6 @@ static void audit_log_task(struct audit_buffer *ab)
kuid_t auid, uid;
kgid_t gid;
unsigned int sessionid;
struct mm_struct *mm = current->mm;
char comm[sizeof(current->comm)];
auid = audit_get_loginuid(current);
@@ -2475,13 +2474,7 @@ static void audit_log_task(struct audit_buffer *ab)
audit_log_task_context(ab);
audit_log_format(ab, " pid=%d comm=", task_pid_nr(current));
audit_log_untrustedstring(ab, get_task_comm(comm, current));
if (mm) {
down_read(&mm->mmap_sem);
if (mm->exe_file)
audit_log_d_path(ab, " exe=", &mm->exe_file->f_path);
up_read(&mm->mmap_sem);
} else
audit_log_format(ab, " exe=(null)");
audit_log_d_path_exe(ab, current->mm);
}
/**