linux-kernel - Re: [PATCH v3] seccomp: Move copy

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Message-Id: <166180063676.3312920.11804502368990110703.b4-ty@chromium.org>
Date:   Mon, 29 Aug 2022 12:17:19 -0700
From:   Kees Cook <keescook@...omium.org>
To:     luto@...capital.net, kuniyu@...zon.com, wad@...omium.org
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
        ayudutta@...zon.com, brauner@...nel.org, kuni1840@...il.com,
        syzbot+ab17848fe269b573eb71@...kaller.appspotmail.com
Subject: Re: [PATCH v3] seccomp: Move copy_seccomp() to no failure path.

On Tue, 23 Aug 2022 08:45:32 -0700, Kuniyuki Iwashima wrote:
> Our syzbot instance reported memory leaks in do_seccomp() [0], similar
> to the report [1].  It shows that we miss freeing struct seccomp_filter
> and some objects included in it.
> 
> We can reproduce the issue with the program below [2] which calls one
> seccomp() and two clone() syscalls.
> 
> [...]

Applied to for-linus/seccomp, thanks!

[1/1] seccomp: Move copy_seccomp() to no failure path.
      https://git.kernel.org/kees/c/6d17452707ca

-- 
Kees Cook