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[PATCH] selinux: check for failed kmalloc in security_sid_to_context()

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Check for NULL kmalloc return value before writing to it.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Acked-by: James Morris <jmorris@namei.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Serge E. Hallyn 2006-05-15 09:43:48 -07:00 committed by Linus Torvalds
parent 9be2f7c38e
commit 0cccca06f9
1 changed files with 4 additions and 0 deletions
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4
security/selinux/ss/services.c
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@ -594,6 +594,10 @@ int security_sid_to_context(u32 sid, char **scontext, u32 *scontext_len)
*scontext_len = strlen(initial_sid_to_string[sid]) + 1;
scontextp = kmalloc(*scontext_len,GFP_ATOMIC);
if (!scontextp) {
rc = -ENOMEM;
goto out;
}
strcpy(scontextp, initial_sid_to_string[sid]);
*scontext = scontextp;
goto out;