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Diffstat (limited to 'Lib/test/crashers/buffer_mutate.py')
| -rw-r--r-- | Lib/test/crashers/buffer_mutate.py | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/Lib/test/crashers/buffer_mutate.py b/Lib/test/crashers/buffer_mutate.py deleted file mode 100644 index d68d7cc0fc6..00000000000 --- a/Lib/test/crashers/buffer_mutate.py +++ /dev/null @@ -1,30 +0,0 @@ -# -# The various methods of bufferobject.c (here buffer_subscript()) call -# get_buf() before calling potentially more Python code (here via -# PySlice_GetIndicesEx()). But get_buf() already returned a void* -# pointer. This void* pointer can become invalid if the object -# underlying the buffer is mutated (here a bytearray object). -# -# As usual, please keep in mind that the three "here" in the sentence -# above are only examples. Each can be changed easily and lead to -# another crasher. -# -# This crashes for me on Linux 32-bits with CPython 2.6 and 2.7 -# with a segmentation fault. -# - - -class PseudoIndex(object): - def __index__(self): - for c in "foobar"*n: - a.append(c) - return n * 4 - - -for n in range(1, 100000, 100): - a = bytearray("test"*n) - buf = buffer(a) - - s = buf[:PseudoIndex():1] - #print repr(s) - #assert s == "test"*n |