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de546e403c
Using the trigger patch described in the previous commit, I get: ... $ gdb (gdb) <q>error detected on stdin Fatal signal: Segmentation fault ----- Backtrace ----- 0x64c7b3 gdb_internal_backtrace_1 /data/vries/gdb/src/gdb/bt-utils.c:127 0x64c937 _Z22gdb_internal_backtracev /data/vries/gdb/src/gdb/bt-utils.c:196 0x94db83 handle_fatal_signal /data/vries/gdb/src/gdb/event-top.c:1021 0x94dd48 handle_sigsegv /data/vries/gdb/src/gdb/event-top.c:1098 0x7f372be578ff ??? 0x10b7c0a _Z9gdb_flushP7ui_file /data/vries/gdb/src/gdb/utils.c:1527 0xd4b938 gdbpy_flush /data/vries/gdb/src/gdb/python/python.c:1624 0x7f372d73b276 _PyCFunction_FastCallDict Objects/methodobject.c:231 0x7f372d73b276 _PyCFunction_FastCallKeywords Objects/methodobject.c:294 0x7f372d794a09 call_function Python/ceval.c:4851 0x7f372d78e838 _PyEval_EvalFrameDefault Python/ceval.c:3351 0x7f372d796e6e PyEval_EvalFrameEx Python/ceval.c:754 0x7f372d796e6e _PyFunction_FastCall Python/ceval.c:4933 0x7f372d796e6e _PyFunction_FastCallDict Python/ceval.c:5035 0x7f372d6fefc8 _PyObject_FastCallDict Objects/abstract.c:2310 0x7f372d6fefc8 _PyObject_Call_Prepend Objects/abstract.c:2373 0x7f372d6fe162 _PyObject_FastCallDict Objects/abstract.c:2331 0x7f372d700705 callmethod Objects/abstract.c:2583 0x7f372d700705 _PyObject_CallMethodId Objects/abstract.c:2640 0x7f372d812a41 flush_std_files Python/pylifecycle.c:699 0x7f372d81281d Py_FinalizeEx Python/pylifecycle.c:768 0xd4d49b finalize_python /data/vries/gdb/src/gdb/python/python.c:2308 0x9587eb _Z17ext_lang_shutdownv /data/vries/gdb/src/gdb/extension.c:330 0xfd98df _Z10quit_forcePii /data/vries/gdb/src/gdb/top.c:1817 0x6b3080 _Z12quit_commandPKci /data/vries/gdb/src/gdb/cli/cli-cmds.c:483 0x1056577 stdin_event_handler /data/vries/gdb/src/gdb/ui.c:131 0x1986970 handle_file_event /data/vries/gdb/src/gdbsupport/event-loop.cc:551 0x1986f4b gdb_wait_for_event /data/vries/gdb/src/gdbsupport/event-loop.cc:672 0x1985e0c _Z16gdb_do_one_eventi /data/vries/gdb/src/gdbsupport/event-loop.cc:263 0xb66f2e start_event_loop /data/vries/gdb/src/gdb/main.c:402 0xb670ba captured_command_loop /data/vries/gdb/src/gdb/main.c:466 0xb68b9b captured_main /data/vries/gdb/src/gdb/main.c:1344 0xb68c44 _Z8gdb_mainP18captured_main_args /data/vries/gdb/src/gdb/main.c:1363 0x41a3b1 main /data/vries/gdb/src/gdb/gdb.c:38 --------------------- A fatal error internal to GDB has been detected, further debugging is not possible. GDB will now terminate. This is a bug, please report it. For instructions, see: <https://www.gnu.org/software/gdb/bugs/>. Segmentation fault (core dumped) $ q ... Fix this in gdbpy_flush by checking for nullptr gdb_stdout/gdb_stderr (and likewise in ioscm_flush) such that we get instead: ... $ gdb (gdb) <q>error detected on stdin $ q ... Tested on x86_64-linux. Approved-By: Simon Marchi <simon.marchi@efficios.com> |
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| .. | ||
| lib/gdb | ||
| py-all-events.def | ||
| py-arch.c | ||
| py-auto-load.c | ||
| py-block.c | ||
| py-bpevent.c | ||
| py-breakpoint.c | ||
| py-cmd.c | ||
| py-color.c | ||
| py-color.h | ||
| py-connection.c | ||
| py-continueevent.c | ||
| py-dap.c | ||
| py-disasm.c | ||
| py-event-types.def | ||
| py-event.c | ||
| py-event.h | ||
| py-events.h | ||
| py-evtregistry.c | ||
| py-evts.c | ||
| py-exitedevent.c | ||
| py-finishbreakpoint.c | ||
| py-frame.c | ||
| py-framefilter.c | ||
| py-function.c | ||
| py-gdb-readline.c | ||
| py-inferior.c | ||
| py-infevents.c | ||
| py-infthread.c | ||
| py-instruction.c | ||
| py-instruction.h | ||
| py-lazy-string.c | ||
| py-linetable.c | ||
| py-membuf.c | ||
| py-mi.c | ||
| py-micmd.c | ||
| py-newobjfileevent.c | ||
| py-objfile.c | ||
| py-param.c | ||
| py-prettyprint.c | ||
| py-progspace.c | ||
| py-record-btrace.c | ||
| py-record-btrace.h | ||
| py-record-full.c | ||
| py-record-full.h | ||
| py-record.c | ||
| py-record.h | ||
| py-ref.h | ||
| py-registers.c | ||
| py-signalevent.c | ||
| py-stopevent.c | ||
| py-stopevent.h | ||
| py-symbol.c | ||
| py-symtab.c | ||
| py-threadevent.c | ||
| py-tui.c | ||
| py-type.c | ||
| py-uiout.h | ||
| py-unwind.c | ||
| py-utils.c | ||
| py-value.c | ||
| py-varobj.c | ||
| py-xmethods.c | ||
| python-config.py | ||
| python-internal.h | ||
| python.c | ||
| python.h | ||