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selinux: fix possible memory leak 

Free 'ctx_str' when necessary.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
hifive-unleashed-5.1
Geyslan G. Bem 2013-12-04 16:10:24 -05:00 committed by Paul Moore
parent dd0a11815a
commit 0af901643f
1 changed files with 7 additions and 4 deletions
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11
security/selinux/xfrm.c
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@ -327,19 +327,22 @@ int selinux_xfrm_state_alloc_acquire(struct xfrm_state *x,
return rc;
ctx = kmalloc(sizeof(*ctx) + str_len, GFP_ATOMIC);
if (!ctx)
return -ENOMEM;
if (!ctx) {
rc = -ENOMEM;
goto out;
}
ctx->ctx_doi = XFRM_SC_DOI_LSM;
ctx->ctx_alg = XFRM_SC_ALG_SELINUX;
ctx->ctx_sid = secid;
ctx->ctx_len = str_len;
memcpy(ctx->ctx_str, ctx_str, str_len);
kfree(ctx_str);
x->security = ctx;
atomic_inc(&selinux_xfrm_refcount);
return 0;
out:
kfree(ctx_str);
return rc;
}
/*