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  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]
Date:   Wed, 8 Apr 2020 11:12:43 -0700
From:   Martin KaFai Lau <>
To:     unlisted-recipients:; (no To-header on input)
CC:     <>, <>,
        <>, <>
Subject: Re: [PATCH bpf] bpf: Fix use of sk->sk_reuseport from sk_assign

On Tue, Apr 07, 2020 at 08:35:40PM -0700, Joe Stringer wrote:
> In testing, we found that for request sockets the sk->sk_reuseport field
> may yet be uninitialized, which caused bpf_sk_assign() to randomly
> succeed or return -ESOCKTNOSUPPORT when handling the forward ACK in a
> three-way handshake.
> Fix it by only applying the reuseport check for full sockets.
Acked-by: Martin KaFai Lau <>

Powered by blists - more mailing lists