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selinux: fix possible memory leak

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Free 'ctx_str' when necessary.

Signed-off-by: Geyslan G. Bem <[email protected]>
Cc: [email protected]
Signed-off-by: Paul Moore <[email protected]>
This commit is contained in:
Geyslan G. Bem 2013-11-24 08:37:01 -03:00 • committed by Paul Moore
commit 8e645c345a
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;
}
/*