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audit: use inline function to get audit context

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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>
This commit is contained in:
Richard Guy Briggs
2018-05-12 21:58:20 -04:00
committed by Paul Moore
parent f0b752168d
commit cdfb6b341f
15 changed files with 77 additions and 69 deletions
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7
security/selinux/hooks.c
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@@ -3294,7 +3294,8 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
} else {
audit_size = 0;
}
ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
ab = audit_log_start(audit_context(),
GFP_ATOMIC, AUDIT_SELINUX_ERR);
audit_log_format(ab, "op=setxattr invalid_context=");
audit_log_n_untrustedstring(ab, value, audit_size);
audit_log_end(ab);
@@ -6431,7 +6432,9 @@ static int selinux_setprocattr(const char *name, void *value, size_t size)
audit_size = size - 1;
else
audit_size = size;
ab = audit_log_start(current->audit_context, GFP_ATOMIC, AUDIT_SELINUX_ERR);
ab = audit_log_start(audit_context(),
GFP_ATOMIC,
AUDIT_SELINUX_ERR);
audit_log_format(ab, "op=fscreate invalid_context=");
audit_log_n_untrustedstring(ab, value, audit_size);
audit_log_end(ab);