[bug #20286] Memory leak when searching through big binary files

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?20286>

                 Summary: Memory leak when searching through big binary files
                 Project: grep
            Submitted by: None
            Submitted on: Thursday 06/28/2007 at 08:54 UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Memory leak shows up when searching through big binary files.
This problem can be reproduced with current CVS. Just create a big binary
file and grep some string in it.

The problem was serious for me, because I was used to use "grep -r <string>
." to search through source trees. Now, this problem occoured with already
compiled object and binary files.

My current workaround (which is even faster ;) is to use '-I'.

Some additional notes:
- it doesn't matter if I used '--mmap' or not.
- it seems like the memory is freed after close, because many smaller binary
files (with -r) are working.

regards,
Ingo




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