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selinux: use kmemdup in security_sid_to_context_core()

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Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Rasmus Villemoes
2015-10-21 17:44:26 -04:00
committed by Paul Moore
parent 20ba96aeeb
commit aa736c36db
1 changed files with 2 additions and 2 deletions
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4
security/selinux/ss/services.c
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@@ -1259,12 +1259,12 @@ static int security_sid_to_context_core(u32 sid, char **scontext,
*scontext_len = strlen(initial_sid_to_string[sid]) + 1; *scontext_len = strlen(initial_sid_to_string[sid]) + 1;
if (!scontext) if (!scontext)
goto out; goto out;
scontextp = kmalloc(*scontext_len, GFP_ATOMIC); scontextp = kmemdup(initial_sid_to_string[sid],
*scontext_len, GFP_ATOMIC);
if (!scontextp) { if (!scontextp) {
rc = -ENOMEM; rc = -ENOMEM;
goto out; goto out;
} }
strcpy(scontextp, initial_sid_to_string[sid]);
*scontext = scontextp; *scontext = scontextp;
goto out; goto out;
} }