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SubjectRe: [PATCH][next] apparmor: fix error returns checks by making size a ssize_t
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On 03/23/2018 04:34 PM, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Currently variable size is a unsigned size_t, hence comparisons to
> see if it is less than zero (for error checking) will always be
> false. Fix this by making size a ssize_t
>
> Detected by CoverityScan, CID#1466080 ("Unsigned compared against 0")
>
> Fixes: 8e51f9087f40 ("apparmor: Add support for attaching profiles via xattr, presence and value")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: John Johansen <john.johansen@canonical.com>

and pulled into apparmor-next

> ---
> security/apparmor/domain.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
> index 57cc892e05a2..590b7e8cd21c 100644
> --- a/security/apparmor/domain.c
> +++ b/security/apparmor/domain.c
> @@ -314,7 +314,7 @@ static int aa_xattrs_match(const struct linux_binprm *bprm,
> struct aa_profile *profile, unsigned int state)
> {
> int i;
> - size_t size;
> + ssize_t size;
> struct dentry *d;
> char *value = NULL;
> int value_size = 0, ret = profile->xattr_count;
>

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