From: Steve Grubb <sgrubb@redhat.com>
To: linux-audit@redhat.com
Subject: Re: retrieve EIP/RIP for syscall in audit
Date: Fri, 13 Jul 2012 13:27:06 -0400 [thread overview]
Message-ID: <1491986.ZcUTPKqv5T@x2> (raw)
In-Reply-To: <CAMU3N_J+26jjZ9N0zf-JKEMLnVgaRwfDjd0Ck3JOO+P1Q3mRsA@mail.gmail.com>
On Thursday, July 12, 2012 03:04:11 PM Xiaokui Shu wrote:
> Hello,
>
> I have a question about one of the features of audit.
> Can I use audit to log the EIP/RIP at time of syscall? There is a "-i"
> flag in strace that does the work.
No. The audit system does not collect that information. Maybe trace points or
systemtap would be a better approach for that kind of thing?
-Steve
> When I compare the mechanisms of audit and strace(ptrace), I find
> maybe it is not possible for strace to do so. Audit is on the kernel
> side of a syscall, and does not know the audited program's internal
> information (I am not sure if I understand it right). However, one can
> still fetch extra information out of the syscall event (e.g. block a
> syscall when coming, check the audited program stack and clear
> blocking), but it may bring much overhead.
>
> Best,
> Xiaokui
>
> --
> Linux-audit mailing list
> Linux-audit@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-audit
next prev parent reply other threads:[~2012-07-13 17:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-12 19:04 retrieve EIP/RIP for syscall in audit Xiaokui Shu
2012-07-12 19:06 ` Xiaokui Shu
2012-07-13 17:27 ` Steve Grubb [this message]
2012-07-13 17:39 ` Xiaokui Shu
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