New submission from Eric Wald :
Execution of "make test" for Python 2.6.1 halts with a segmentation
fault on line 2198 of Python-2.6.1/Lib/test/test_datetime.py; also
occurs using the attached script, narrowing it down to the %z sequence
in the format argument to datetime.time.strftime(), but only when the
time object has a non-None tzinfo. The segfault disappears when I
comment out line 1133 of Python-2.6.1/Modules/datetimemodule.c:
PyOS_snprintf(buf, buflen, "%c%02d%s%02d", sign, hours, sep, minutes);
Compiled with GCC 3.4.3 with Smashing Stack Protector on LFS 5.1.1
(Linux 2.6.11.12 and glibc 2.3.5 with ssp patches). Using BASECFLAGS=-
fno-stack-protector has no effect on the segfault. All other Python
tests pass. HAVE_SNPRINTF has been defined to 1 in pyconfig.h by the
config script.
I have not yet compiled gdb, but I can if requested.
--
components: Library (Lib)
files: zone_failure.py
messages: 80332
nosy: eswald
severity: normal
status: open
title: Segfault in datetime.time.strftime("%z")
type: crash
versions: Python 2.6
Added file: http://bugs.python.org/file12825/zone_failure.py
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