netdev - Re: [PATCH v4 binutils] Add BPF support to binutils...

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 for Android: free password hash cracker in your pocket

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

Date:   Mon, 01 May 2017 23:51:58 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     ast@...com
Cc:     daniel@...earbox.net, netdev@...r.kernel.org,
        xdp-newbies@...r.kernel.org
Subject: Re: [PATCH v4 binutils] Add BPF support to binutils...

From: Alexei Starovoitov <ast@...com>
Date: Mon, 1 May 2017 20:49:21 -0700

> (gdb) x/10i bpf_prog1
>    0x0 <bpf_prog1>:	ldimm64	r0, 590618314553
>    0x10 <bpf_prog1+16>:	stdw	[r1+-8], r10
>    0x18 <bpf_prog1+24>:	lddw	r10, [r1+-8]
>    0x20 <bpf_prog1+32>:	add	r0, -1879113726
>    0x28 <bpf_prog1+40>:	lddw	r1, [r0+0]
>    0x30 <bpf_prog1+48>:	exit
>    0x38:	Cannot access memory at address 0x38
> 
> the last line also seems wrong. Off by 1 error?

Maybe, I'll look into it tomorrow.  I'll also post my fix for the
branch destination disassembler output tomorrow as well.