On 03/27/2018 06:35 AM, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Currently on the error exit path the allocated buffer is not free'd
> causing a memory leak. Fix this by kfree'ing it.
>
> Detected by CoverityScan, CID#1466876 ("Resource leaks")
>
> Fixes: 1180b4c757aa ("apparmor: fix dangling symlinks to policy rawdata after replacement")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
thanks Colin
I've pulled it into apparmor-next
> ---
> security/apparmor/apparmorfs.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
> index 96bb6b73af65..949dd8a48164 100644
> --- a/security/apparmor/apparmorfs.c
> +++ b/security/apparmor/apparmorfs.c
> @@ -1497,8 +1497,10 @@ static char *gen_symlink_name(int depth, const char *dirname, const char *fname)
> }
>
> error = snprintf(s, size, "raw_data/%s/%s", dirname, fname);
> - if (error >= size || error < 0)
> + if (error >= size || error < 0) {
> + kfree(buffer);
> return ERR_PTR(-ENAMETOOLONG);
> + }
>
> return buffer;
> }
>
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