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Re: Information leakage in nm-2.32


From: Nick Clifton
Subject: Re: Information leakage in nm-2.32
Date: Thu, 22 Aug 2019 11:25:16 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

Hi Natalie,

> I found a crash with AFL and used valgrind to run it. Looks like it is 
> information leakage problem.

When you say "crash" do you mean that the nm program generated
a segmentation fault or some kind of illegal memory access ?
That certainly does not appear to be the case here.

> Could you possibly fix this issue?

Not if it is just a case of allocated memory not being freed
by the time the program exits.  The memory will be returned
to the system, so there is no real problem with it not being
freed.  Plus since nm always exits, there is no potential for
it to hog memory and prevent normal system operation.

Sorry, but we are just not interested in resource leak problems
at the moment.  If you do find other issues however, for example
memory corruption, or illegal memory accesses, then please feel
free to report a bug using the binutils bugzilla system:

https://sourceware.org/bugzilla/enter_bug.cgi?product=binutils

Cheers
  Nick



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