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annotate Lib/test/crashers/bogus_code_obj.py @ 79675:c0a2294de787 2.7

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Issue #16199: Backport 2to3 typo fix from 3.2.
author Chris Jerdonek <chris.jerdonek@gmail.com>
date Thu, 11 Oct 2012 16:15:46 -0700
parents b9151c8c79e8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
38952
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
1 """
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
2 Broken bytecode objects can easily crash the interpreter.
39179
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
3
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
4 This is not going to be fixed. It is generally agreed that there is no
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
5 point in writing a bytecode verifier and putting it in CPython just for
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
6 this. Moreover, a verifier is bound to accept only a subset of all safe
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
7 bytecodes, so it could lead to unnecessary breakage.
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
8
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
9 For security purposes, "restricted" interpreters are not going to let
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
10 the user build or load random bytecodes anyway. Otherwise, this is a
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
11 "won't fix" case.
b9151c8c79e8 Document the crashers that will not go away soon as "won't fix",
Armin Rigo <arigo@tunes.org>
parents: 38952
diff changeset
12
38952
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
13 """
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
14
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
15 import types
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
16
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
17 co = types.CodeType(0, 0, 0, 0, '\x04\x71\x00\x00', (),
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
18 (), (), '', '', 1, '')
58270a690f43 A couple of crashers of the "won't fix" kind.
Armin Rigo <arigo@tunes.org>
parents:
diff changeset
19 exec co