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Tue Jun 11 21:49:06 CEST 2013 · https://mail.python.org/pipermail/python-dev/2013-June/126811.html

> You may want to try running the process under valgrind.

Thanks.  I'm trying that but have been so far unable to get valgrind
to report any problems within Python or our libraries before that
message, just a couple things at startup which seem to occur before
Python gets going:

==21374== Invalid read of size 1
==21374==    at 0x4C2DEA9: putenv (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==21374==    by 0x400E71: append_env_vars (binary-wrapper-main.c:175)
==21374==    by 0x4008CA: set_binary_wrapper_env (c-python-wrapper.c:58)
==21374==    by 0x40168D: main (binary-wrapper-main.c:382)
==21374==  Address 0x51d6a84 is 0 bytes after a block of size 52 alloc'd
==21374==    at 0x4C2ACCE: realloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==21374==    by 0x400E61: append_env_vars (binary-wrapper-main.c:173)
==21374==    by 0x4008CA: set_binary_wrapper_env (c-python-wrapper.c:58)
==21374==    by 0x40168D: main (binary-wrapper-main.c:382)
==21374==
==21374== Syscall param execve(envp[i]) points to unaddressable byte(s)
==21374==    at 0x4EE7067: execve (in /lib64/libc-2.15.so)
==21374==    by 0x4016AA: main (binary-wrapper-main.c:385)
==21374==  Address 0x51d6a84 is 0 bytes after a block of size 52 alloc'd
==21374==    at 0x4C2ACCE: realloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==21374==    by 0x400E61: append_env_vars (binary-wrapper-main.c:173)
==21374==    by 0x4008CA: set_binary_wrapper_env (c-python-wrapper.c:58)
==21374==    by 0x40168D: main (binary-wrapper-main.c:382)

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