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Date: Tue, 19 Aug 2008 16:22:00 -0700
From: Tim Kientzle <kientzle@freebsd.org>
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To: Jerry Toung <jrytoung@gmail.com>
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Cc: freebsd-hackers@freebsd.org, Robert Watson <rwatson@freebsd.org>
Subject: Re: pkg_add on 64bits kernel w/ options MAC
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Jerry Toung wrote:
> On Tue, Aug 19, 2008 at 1:26 PM, Robert Watson <rwatson@freebsd.org> wrote:
>
>>Sounds like a bug of some sort.  Could you send the output of "sysctl
>>security.mac"?  Also, if you could use ktrace to confirm which system calls
>>are returning EACCES/EPERM leading to the warnings, that would also be
>>helpful.
>
> bsd64-21# kdump -f ktrace.out
>   1045 ktrace   RET   ktrace 0
>   1045 ktrace   CALL  execve(0x7fffffffe720,0x7fffffffec80,0x7fffffffec98)
>   1045 ktrace   RET   execve -1 errno 2 No such file or directory
>   1045 ktrace   CALL  execve(0x7fffffffe720,0x7fffffffec80,0x7fffffffec98)
>   1045 ktrace   RET   execve -1 errno 2 No such file or directory
>   1045 ktrace   CALL  execve(0x7fffffffe720,0x7fffffffec80,0x7fffffffec98)
>   1045 pkg_add  RET   execve 0
>   1045 pkg_add  CALL  mmap(0,0x1e40,0x3,0x1000,0xffffffff,0,0)
>   1045 pkg_add  RET   mmap 5443584/0x800531000
>   1045 pkg_add  CALL  munmap(0x800531000,0x1e40)
>   1045 pkg_add  RET   munmap 0

Robert forgot to specify "ktrace -i" for this.  Without the
"-i" option, ktrace won't follow the tar command that gets
run by pkg_add.  It's actually the tar command that's
running into problems.

Tim