Re: misc/screen segfault

Quoting Theo Buehler <tb@theobuehler.org>:

>> Anybody knows why this happens on arm64 ?
>>
>> ws-4# uname -a
>> OpenBSD ws-4.my.domain 7.3 GENERIC.MP#2164 arm64
>>
>> ws-4# screen -v
>> Segmentation fault (core dumped)
>
> Does not happen here. Could you provide a backtrace, please?
>
> # pkg_delete screen
> # pkg_add gdb debug-screen
>
> Then reproduce the crash and at the gdb prompt type 'bt' and share the
> output, please.
>
> # egdb screen screen.core
> (gdb) bt

Thank you for your instructions! Here you go:

ws-4# pkg_delete screen
screen-4.9.0|

|
0%Invalid \0 character in pathname for ftlink: SPCRP\0 at
/usr/libdata/perl5/OpenBSD/Delete.pm line 432.
Invalid \0 character in pathname for ftfile: SPCRP\0 at
/usr/libdata/perl5/OpenBSD/Delete.pm line 436.
File SPCRP????�BOCHS BXPC
????BXPC??????????????? ??????!?????????����????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????DBG2W????�BOCHS BXPC ????BXPC????,????????+????&?????????????"???????? ????????COM0?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? does not
exist
Use of uninitialized value $name in pattern match (m//) at
/usr/libdata/perl5/OpenBSD/PackageInfo.pm line 111.
Use of uninitialized value $name in concatenation (.) or string at
/usr/libdata/perl5/OpenBSD/PackageInfo.pm line 114.
Use of uninitialized value $p in delete at
/usr/libdata/perl5/OpenBSD/PackageInfo.pm line 82.
Use of uninitialized value $s in pattern match (m//) at
/usr/libdata/perl5/OpenBSD/PackageName.pm line 71.
Use of uninitialized value $s in transliteration (tr///) at
/usr/libdata/perl5/OpenBSD/PackageName.pm line 81.
Use of uninitialized value $stem in hash element at
/usr/libdata/perl5/OpenBSD/PackageName.pm line 124.
Use of uninitialized value $pkgname in delete at
/usr/libdata/perl5/OpenBSD/PackageName.pm line 124.
Use of uninitialized value $stem in hash element at
/usr/libdata/perl5/OpenBSD/PackageName.pm line 125.
Use of uninitialized value $stem in delete at
/usr/libdata/perl5/OpenBSD/PackageName.pm line 126.
screen-4.9.0: ok


ws-4# pkg_add gdb debug-screen
quirks-6.133 signed on 2023-06-19T09:15:25Z
gdb-9.2p3:sqlite3-3.41.2p0: ok
gdb-9.2p3:libffi-3.4.4: ok
gdb-9.2p3:bzip2-1.0.8p0: ok
gdb-9.2p3:xz-5.4.3: ok
gdb-9.2p3:python-3.10.11p0: ok
gdb-9.2p3: ok
Collision in screen-4.9.0: the following files already exist
/usr/local/bin/screen from screen-4.9.0 (different checksum)
/usr/local/info/screen.info from screen-4.9.0 (different checksum)
/usr/local/man/cat1/screen.0 from screen-4.9.0 (different checksum)
/usr/local/share/examples/screen/screenrc from screen-4.9.0
(different checksum)
/usr/local/share/screen/utf8encodings/01 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/02 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/03 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/04 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/18 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/19 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/a1 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/bf from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/c2 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/c3 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/c4 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/c6 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/c7 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/c8 from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/cc from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/cd from screen-4.9.0 (different
checksum)
/usr/local/share/screen/utf8encodings/d6 from screen-4.9.0 (different
checksum)
It seems to be a missing package registration
Repair ? [y/N/a] y
debug-screen-4.9.0:screen-4.9.0: ok
debug-screen-4.9.0: ok
makewhatis: dbm_map(mandoc.db): Inconsistent file size 78180 (expected 4)
/usr/local/man//mandoc.db: Inappropriate file type or format:
Automatically recreating from scratch


ws-4# screen -v
Screen version 4.09.00 (GNU) 30-Jan-22


ws-4# egdb screen screen.core
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Reading symbols from screen...
Reading symbols from /usr/local/bin/.debug/screen.dbg...
[New process 330663]
Core was generated by `screen'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000001341903958 in ?? ()
(gdb) bt
#0 0x0000001341903958 in ?? ()
#1 0x000000134190377c in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)