Jiri Daněk created DISPATCH-2360:
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Summary: Router might crash during initialization due to improper
CPython API usage
Key: DISPATCH-2360
URL: https://issues.apache.org/jira/browse/DISPATCH-2360
Project: Qpid Dispatch
Issue Type: Improvement
Affects Versions: 1.19.0
Reporter: Jiri Daněk
Assignee: Jiri Daněk
Fix For: 1.20.0
The following is a stacktrace from skupper-router, but as code inspection
reveals, dispatch suffers from the same invalid API usage that is causing this
{noformat}
Program received signal SIGSEGV, Segmentation fault.
0x00007f9a8b9da771 in _PyInterpreterState_GET () at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Include/internal/pycore_pystate.h:118
118 return tstate->interp;
(gdb) bt
#0 0x00007f9a8b9da771 in _PyInterpreterState_GET () at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Include/internal/pycore_pystate.h:118
#1 get_state () at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Objects/obmalloc.c:866
#2 _PyObject_Malloc (ctx=<optimized out>, nbytes=77) at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Objects/obmalloc.c:1563
#3 0x00007f9a8b9e206b in PyObject_Malloc (size=<optimized out>) at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Objects/obmalloc.c:801
#4 PyUnicode_New (size=36, maxchar=<optimized out>) at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Objects/unicodeobject.c:1208
#5 0x00007f9a8b9e145c in unicode_decode_utf8 (s=<optimized out>, size=36,
error_handler=error_handler@entry=_Py_ERROR_UNKNOWN, errors=errors@entry=0x0,
consumed=consumed@entry=0x0)
at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Objects/unicodeobject.c:4647
#6 0x00007f9a8b9e13e9 in PyUnicode_DecodeUTF8Stateful (consumed=0x0,
errors=0x0, size=<optimized out>, s=<optimized out>) at
/usr/src/debug/python3.12-3.12.0-1.fc39.x86_64/Objects/unicodeobject.c:4780
#7 0x0000000000467b50 in qd_python_initialize (python_pkgdir=0x4c2848
"/usr/local/lib/skupper-router/python", qd=<optimized out>) at
/root/work/skupper-router/src/python_embedded.c:52
#8 qd_dispatch (python_pkgdir=0x4c2848 "/usr/local/lib/skupper-router/python",
test_hooks=<optimized out>) at /root/work/skupper-router/src/dispatch.c:137
#9 0x000000000042cea7 in main_process (config_path=config_path@entry=0x4c27d0
"/usr/local/etc/skupper-router/skrouterd.conf",
python_pkgdir=python_pkgdir@entry=0x4c2848
"/usr/local/lib/skupper-router/python", test_hooks=false,
fd=fd@entry=2) at /root/work/skupper-router/router/src/main.c:97
#10 0x0000000000428e50 in main (argc=1, argv=0x7ffef77c64e8) at
/root/work/skupper-router/router/src/main.c:365
(gdb) p tstate
$1 = (PyThreadState *) 0x0
{noformat}
See the fix in skupper-router at
https://github.com/skupperproject/skupper-router/pull/1307
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