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Re: [libunwind] remote unwinding and ptrace()
From: |
David Mosberger |
Subject: |
Re: [libunwind] remote unwinding and ptrace() |
Date: |
Thu, 11 Dec 2003 14:50:41 -0800 |
Hi Umut,
>>>>> On Thu, 11 Dec 2003 13:54:15 -0800, Umut Aymakoglu <address@hidden> said:
Umut> Hi - I have the following problem: The owner of the target
Umut> process is root and the permissions are 6755 (-rwsr-sr-x). The
Umut> program that will attach and unwind the target process does
Umut> not have the root ownership and the permissions are
Umut> 2755(-rwxr-sr-x). The group ids are same on both of the
Umut> programs. The program does a ptrace(PTRACE_ATTACH) call to
Umut> attach the target process and receives EPERM error. The 2nd
Umut> program can not have the root ownership. Is there a way to
Umut> make this work?
I don't see why this is a libunwind-specific question. If process A
cannot access process B, then how could A have any hope to unwind B,
whether or not libunwind is involved. Am I missing something?
--david