[issue21433] "False = True" produces segfault
New submission from Samuel Ainsworth: Running this: >>> False = True Segmentation fault: 11 gives me this: Process: Python [17911] Path: /Library/Frameworks/Python.framework/Versions/3.3/Resources/Python.app/Contents/MacOS/Python Identifier: Python Version: 3.3.1 (3.3.1) Code Type: X86-64 (Native) Parent Process: bash [5092] Responsible: Terminal [298] User ID: 501 Date/Time: 2014-05-05 00:55:57.270 -0400 OS Version: Mac OS X 10.9.2 (13C1021) Report Version: 11 Anonymous UUID: B5997910-F526-88BB-2135-BD6152A81709 Sleep/Wake UUID: 88A9925C-46FC-488E-B7A5-EBB1AAE6BAC1 Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x VM Regions Near 0: --> __TEXT 0001-00011000 [4K] r-x/rwx SM=COW /Library/Frameworks/Python.framework/Versions/3.3/Resources/Python.app/Contents/MacOS/Python Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 readline.so 0x0001006e1f57 call_readline + 647 1 org.python.python 0x00018182 PyOS_Readline + 274 2 org.python.python 0x0001a048 tok_nextc + 104 3 org.python.python 0x0001a6f1 tok_get + 97 4 org.python.python 0x0001bb61 PyTokenizer_Get + 17 5 org.python.python 0x00018294 parsetok + 212 6 org.python.python 0x000100105253 PyParser_ASTFromFile + 131 7 org.python.python 0x000100105459 PyRun_InteractiveOneFlags + 281 8 org.python.python 0x0001001057ce PyRun_InteractiveLoopFlags + 78 9 org.python.python 0x0001001070e1 PyRun_AnyFileExFlags + 161 10 org.python.python 0x00010011dade Py_Main + 3454 11 org.python.python 0x00010e1c 0x1 + 3612 12 org.python.python 0x00010c74 0x1 + 3188 Thread 0 crashed with X86 Thread State (64-bit): rax: 0x rbx: 0x00010220 rcx: 0x00010220 rdx: 0x0a00 rdi: 0x rsi: 0x0001006e221c rbp: 0x7fff5fbff210 rsp: 0x7fff5fbff140 r8: 0x00010220 r9: 0x r10: 0x0001 r11: 0x0001 r12: 0x0001 r13: 0x000c r14: 0x0001001fb678 r15: 0x7fff5fbff1d0 rip: 0x0001006e1f57 rfl: 0x00010206 cr2: 0x Logical CPU: 1 Error Code: 0x0004 Trap Number: 14 Binary Images: 0x1 -0x10ff7 +org.python.python (3.3.1 - 3.3.1) <152E1B23-6F4F-E37A-CB7A-862C4D3D1FBD> /Library/Frameworks/Python.framework/Versions/3.3/Resources/Python.app/Contents/MacOS/Python 0x13000 -0x1001cbff7 +org.python.python (3.3.1, [c] 2004-2013 Python Software Foundation. - 3.3.1) <0328F41B-A30B-2BBA-D4C3-FA2E5DE4FCA1> /Library/Frameworks/Python.framework/Versions/3.3/Python 0x1003f3000 -0x1003f4ff7 +_heapq.so (???) <1C40E27A-FBFA-6B43-9AA9-9FCDF1961459> /Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/lib-dynload/_heapq.so 0x1006e -0x1006e2ff7 +readline.so (???) <5D0B15E6-1E61-AA6F-3915-27BBA7D83F4C> /Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/lib-dynload/readline.so 0x1020f1000 -0x10210fffb libedit.2.dylib (39) <1B0596DB-F336-32E7-BB9F-51BF70DB5305> /usr/lib/libedit.2.dylib 0x10212 -0x102174fe7 +libncursesw.5.dylib (5) /Library/Frameworks/Python.framework/Versions/3.3/lib/libncursesw.5.dylib 0x7fff6343f000 - 0x7fff63472817 dyld (239.4) <2B17750C-ED1B-3060-B64E-21897D08B28B> /usr/lib/dyld 0x7fff894f4000 - 0x7fff894faff7 libsystem_platform.dylib (24.90.1) <3C3D3DA8-32B9-3243-98EC-D89B9A1670B3> /usr/lib/system/libsystem_platform.dylib 0x7fff89931000 - 0x7fff89958ff7 libsystem_network.dylib (241.3) <8B1E1F1D-A5CC-3BAE-8B1E-ABC84337A364> /usr/lib/system/libsystem_network.dylib 0x7fff89b7f000 - 0x7fff89b80ff7 libsystem_blocks.dylib (63) /usr/lib/system/libsystem_blocks.dylib 0x7fff89fd5000 - 0x7fff89fd9ff7 libcache.dylib (62) /usr/lib/system/libcache.dylib 0x7fff8a21f000 - 0x7fff8a228ff3 libsystem_notify.dylib (121) <52571EC3-6894-37E4-946E-064B021ED44E> /usr/lib/system/libsystem_notify.dylib 0x7fff8a52f000 - 0x7fff8a536fff libcompiler_rt.dylib (35) <4CD916B2-1B17-362A-B403-EF24A1DAC141> /usr/lib/system/libcompiler_rt.dylib 0x7fff8b144000 - 0x7fff8b146ff3 libsystem_configuration.dylib (596.13) /usr/lib/system/libsystem_configuration.dylib 0x7fff8c3b4000 - 0x7fff8c3ddff7 libc++abi.dylib (49.1) <21A807
[issue21433] "False = True" produces segfault
Changes by Samuel Ainsworth : -- type: -> crash ___ Python tracker <http://bugs.python.org/issue21433> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
[issue26361] lambda in dict comprehension is broken
New submission from Samuel Ainsworth:
If we construct a dict as follows,
x = {t: lambda x: x * t for t in range(5)}
then `x[0](1)` evaluates to 4! Tested on 2.7 and 3.5.
--
messages: 260287
nosy: Samuel.Ainsworth
priority: normal
severity: normal
status: open
title: lambda in dict comprehension is broken
type: behavior
versions: Python 2.7, Python 3.5
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<http://bugs.python.org/issue26361>
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[issue26361] lambda in dict comprehension is broken
Samuel Ainsworth added the comment: Also applies to list comprehensions. For example, lst = [(lambda x: x * t) for t in range(5)] lst[0](1) # => 4 -- ___ Python tracker <http://bugs.python.org/issue26361> ___ ___ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
