STINNER Victor added the comment:
Python uses an user handler "rlhandler()" which calls
rl_callback_handler_remove(). Is it safe to call rl_callback_handler_remove()
in an user handler?
Traceback on the crash:
Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) where
#0 0x0000000000000000 in ?? ()
#1 0x0000003d0c22d67e in rl_callback_read_char () at ../callback.c:238
#2 0x00007ffff149ce85 in readline_until_enter_or_signal
(prompt=prompt@entry=0x7ffff17ef598 "(Cmd) ",
signal=signal@entry=0x7fffffffd52c)
at /home/haypo/prog/python/default/Modules/readline.c:1143
#3 0x00007ffff149cfaa in call_readline (sys_stdin=0x3cecfba8e0
<_IO_2_1_stdin_>, sys_stdout=0x3cecfbb620 <_IO_2_1_stdout_>,
prompt=0x7ffff17ef598 "(Cmd) ")
at /home/haypo/prog/python/default/Modules/readline.c:1231
#4 0x00000000005ae97a in PyOS_Readline (sys_stdin=0x3cecfba8e0
<_IO_2_1_stdin_>, sys_stdout=0x3cecfbb620 <_IO_2_1_stdout_>,
prompt=0x7ffff17ef598 "(Cmd) ")
at Parser/myreadline.c:211
#5 0x000000000052ec57 in builtin_input_impl
(module=module@entry=0x7ffff189bc58, prompt=<optimized out>) at
Python/bltinmodule.c:1924
#6 0x000000000052f054 in builtin_input (module=0x7ffff189bc58, args=<optimized
out>) at Python/clinic/bltinmodule.c.h:546
(...)
Other trace with source code of readline:
Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
Missing separate debuginfos, use: dnf debuginfo-install
ncurses-libs-5.9-18.20150214.fc22.x86_64
(gdb) up
#1 0x0000003d0c22d67e in rl_callback_read_char () at ../callback.c:238
238 (*rl_linefunc) (line);
(gdb) print rl_linefunc
$1 = (rl_vcpfunc_t *) 0x0
----------
nosy: +haypo
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue25259>
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