svn commit: r251088 - head/crypto/openssh
Bryan Drewery
bdrewery at FreeBSD.org
Wed May 29 12:44:22 UTC 2013
On 5/29/2013 7:36 AM, Dag-Erling Smørgrav wrote:
> Pawel Jakub Dawidek <pjd at FreeBSD.org> writes:
>> Which library is needed for AES-NI? I don't see any engine in /usr/lib/
>> that implements AES-NI support. Could you be more specific?
>
> Ah, you're right. Bryan (cc:ed) did the analysis and I misunderstood
> his report. I just ran through the steps to reproduce the issue, and
> what happens is that a CRIOGET ioctl cal (which is supposed to allocate
> and return a file descriptor) fails due to setrlimit(RLIMIT_FSIZE, 0):
>
> 90344 sshd CALL setrlimit(RLIMIT_NOFILE,0x7fffffffca10)
> 90344 sshd RET setrlimit 0
This is as far as I went. I wasn't able to debug it further with the
RLIMIT_FSIZE set, as removing it allowed the functionality to work. I
incorrectly assumed it was due to dynamic library loading later. Sorry
for the miscommunication.
> [...]
> 90344 sshd CALL ioctl(0x3,CRIOGET,0x7fffffffcb4c)
> 90344 sshd RET ioctl -1 errno 24 Too many open files
>
> Note that you have to remove the setrlimit(RLIMIT_FSIZE, 0) call in
> sandbox-rlimit.c to debug this, otherwise ktrace stops at that point:
--
Regards,
Bryan Drewery
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