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SubjectRe: [PATCH] exec: Make do_coredump more robust and safer when using pipes in core_pattern
On Thu, Jun 25, 2009 at 04:30:50PM -0700, Andrew Morton wrote:

Ok, heres a new version of the changeset, taking into account all of your notes,
Andrew. Patches tested by me on a kernel with your latest -mm patch and it all
works well.

This resolves bug 13355:

Change Notes:

1) Split the patch into two smaller patches. I kept the sysctl with the wait
code for the reasons we discussed earlier.

2) core_dump_count is now statically declared within the scope of the
do_coredump function

3) Commented more clearly the use of the task_tgid_vnr call

4) Made the printk indicating that a crash is over the core dump limit more

5) Fixed some misc. gramatical, formatting errors

6) Removed the helper_pid variable. Turns out it wasn't needed with a minor
change to the usermodehelper code.

7) Documented the sysctl in Documentation/sysctl/kernel.txt


Signed-off-by: Neil Horman <>
Reported-by: Earl Chew <>

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