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[PATCH] sanitize security_getprocattr() API

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have it return the buffer it had allocated

Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@namei.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro
2007-03-12 16:17:58 +00:00
committed by Linus Torvalds
parent c4823bce03
commit 04ff97086b
4 changed files with 17 additions and 22 deletions
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8
security/selinux/hooks.c
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@@ -4468,11 +4468,12 @@ static void selinux_d_instantiate (struct dentry *dentry, struct inode *inode)
}
static int selinux_getprocattr(struct task_struct *p,
char *name, void *value, size_t size)
char *name, char **value)
{
struct task_security_struct *tsec;
u32 sid;
int error;
unsigned len;
if (current != p) {
error = task_has_perm(current, p, PROCESS__GETATTR);
@@ -4500,7 +4501,10 @@ static int selinux_getprocattr(struct task_struct *p,
if (!sid)
return 0;
return selinux_getsecurity(sid, value, size);
error = security_sid_to_context(sid, value, &len);
if (error)
return error;
return len;
}
static int selinux_setprocattr(struct task_struct *p,