linux-kernel - Re: [PATCH][V2] brcmfmac: fix leak of mypkt on error return path

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1cf38a7d-ddc8-bfe2-3c6b-8298facc6d1d@cogentembedded.com>
Date:   Wed, 10 Apr 2019 12:17:46 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Colin King <colin.king@...onical.com>,
        Arend van Spriel <arend.vanspriel@...adcom.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-Hsien Lin <chi-hsien.lin@...ress.com>,
        Wright Feng <wright.feng@...ress.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][V2] brcmfmac: fix leak of mypkt on error return path

On 09.04.2019 14:43, Colin King wrote:

> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently if the call to brcmf_sdiod_set_backplane_window fails then
> then error return path leaks mypkt. Fix this by returning by a new

    One "then" is enough. :-)

> error path labelled 'out' that calls brcmu_pkt_buf_free_skb to free
> mypkt.  Also remove redundant check on err before calling
> brcmf_sdiod_skbuff_write.
> 
> Addresses-Coverity: ("Resource Leak")
> Fixes: a7c3aa1509e2 ("brcmfmac: Remove brcmf_sdiod_addrprep()")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>
[...]

MBR, Sergei