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Net/Security: fix memory leaks from security_secid_to_secctx()

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The security_secid_to_secctx() function returns memory that must be freed
by a call to security_release_secctx() which was not always happening.  This
patch fixes two of these problems (all that I could find in the kernel source
at present).

Signed-off-by: Paul Moore <paul.moore@hp.com>
Acked-by:  Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Paul Moore 2007-08-01 11:12:59 -04:00 committed by James Morris
parent 088999e98b
commit e6e0871cce
2 changed files with 6 additions and 3 deletions
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4
net/netlabel/netlabel_user.c
View file

@ -113,8 +113,10 @@ struct audit_buffer *netlbl_audit_start_common(int type,
if (audit_info->secid != 0 &&
security_secid_to_secctx(audit_info->secid,
&secctx,
&secctx_len) == 0)
&secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
security_release_secctx(secctx, secctx_len);
}
return audit_buf;
}

5
net/xfrm/xfrm_policy.c
View file

@ -2195,9 +2195,10 @@ void xfrm_audit_log(uid_t auid, u32 sid, int type, int result,
}
if (sid != 0 &&
security_secid_to_secctx(sid, &secctx, &secctx_len) == 0)
security_secid_to_secctx(sid, &secctx, &secctx_len) == 0) {
audit_log_format(audit_buf, " subj=%s", secctx);
else
security_release_secctx(secctx, secctx_len);
} else
audit_log_task_context(audit_buf);
if (xp) {