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Bug#1030842: fontforge: segfault during Open() of femkeklaver (inside pbuilder/lxc)
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Gioele Barabucci
Feb 8, 2023, 4:30:05 AM2/8/23
to
Package: fontforge
Version: 1:20230101~dfsg-1
Dear fontforge maintainers,
fontforge-nox crashes during `Open()` when run on the femkaklaver font.
```
fontforge -script $CURDIR/debian/clear-fstype.pe $CURDIR/femkeklaver.ttf
Program root: /usr
Copyright (c) 2000-2023. See AUTHORS for Contributors.
License GPLv3+: GNU GPL version 3 or later [...]
Version: 20230101
Based on sources from 2023-01-18 18:05 UTC-D.
make[1]: *** [debian/rules:7: execute_before_dh_auto_build] Segmentation
fault (core dumped)
```
https://salsa.debian.org/fonts-team/fonts-femkeklaver/-/jobs/3918430
What is strange is that this crash is observable and reproducible only
inside pbuilder or lxc containers (for example on salsa). When run from
the command line the script succeeds as expected.
Regards,
--
Gioele Barabucci
Version: 1:20230101~dfsg-1
Dear fontforge maintainers,
fontforge-nox crashes during `Open()` when run on the femkaklaver font.
```
fontforge -script $CURDIR/debian/clear-fstype.pe $CURDIR/femkeklaver.ttf
Program root: /usr
Copyright (c) 2000-2023. See AUTHORS for Contributors.
License GPLv3+: GNU GPL version 3 or later [...]
Version: 20230101
Based on sources from 2023-01-18 18:05 UTC-D.
make[1]: *** [debian/rules:7: execute_before_dh_auto_build] Segmentation
fault (core dumped)
```
https://salsa.debian.org/fonts-team/fonts-femkeklaver/-/jobs/3918430
What is strange is that this crash is observable and reproducible only
inside pbuilder or lxc containers (for example on salsa). When run from
the command line the script succeeds as expected.
Regards,
--
Gioele Barabucci
Gioele Barabucci
Feb 8, 2023, 5:00:04 AM2/8/23
to
Stacktrace (with incomplete symbols):
```
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7974dd9 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#0 0x00007ffff7974dd9 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff7895425 in fputs () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff7b58a9a in ?? ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#3 0x00007ffff7b58c49 in ?? ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#4 0x00007ffff7b8555a in _SFReadTTF ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#5 0x00007ffff7c66a7a in _ReadSplineFont ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#6 0x00007ffff7c67a51 in LoadSplineFont ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
```
```
Program received signal SIGSEGV, Segmentation fault.
0x00007ffff7974dd9 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#0 0x00007ffff7974dd9 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff7895425 in fputs () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff7b58a9a in ?? ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#3 0x00007ffff7b58c49 in ?? ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#4 0x00007ffff7b8555a in _SFReadTTF ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#5 0x00007ffff7c66a7a in _ReadSplineFont ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
#6 0x00007ffff7c67a51 in LoadSplineFont ()
from /lib/x86_64-linux-gnu/libfontforge.so.4
```
Bernhard Übelacker
Mar 9, 2023, 5:40:05 AM3/9/23
to
Dear Maintainer,
with the help of the core saved in the artifacts I found that
the crash happens when fontforge tries to print some logging.
It just started to crash if I run the command with LANG=C.
It seems to be caused by the call to function iconv returns
with errno==EILSEQ (Illegal byte sequence).
This could possibly be this "©" in the string to be processed.
Kind regards,
Bernhard
$ LANG=C rr record fontforge -script /home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/debian/clear-fstype.pe /home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf
$ rr replay -o-q
...
Breakpoint 3, iconv (cd=cd@entry=0x55b4437f72d0, inbuf=inbuf@entry=0x7fff48abee88, inbytesleft=inbytesleft@entry=0x7fff48abee80, outbuf=outbuf@entry=0x7fff48abeea0, outbytesleft=outbytesleft@entry=0x7fff48abee98) at ./iconv/iconv.c:32
32 {
(rr) finish
Run till exit from #0 iconv (cd=cd@entry=0x55b4437f72d0, inbuf=inbuf@entry=0x7fff48abee88, inbytesleft=inbytesleft@entry=0x7fff48abee80, outbuf=outbuf@entry=0x7fff48abeea0, outbytesleft=outbytesleft@entry=0x7fff48abee98) at ./iconv/iconv.c:32
0x00007fd0fc8a0b69 in do_iconv (cd=0x55b4437f72d0, inbuf=<optimized out>, inbuf@entry=0x7fff48abeef0, incount=<optimized out>, inunitsize=inunitsize@entry=1, outunitsize=outunitsize@entry=1) at ./Unicode/ucharmap.c:101
101 if (iconv(cd, (iconv_arg2_t)&inbuf, &incount, &dst, &outremain) == (size_t)-1) {
Value returned is $19 = 18446744073709551615
(rr) next
102 if (errno == E2BIG) {
(rr) print errno
$20 = 84
(rr) print inbuf
$21 = <optimized out>
(rr) up
#1 0x00007fd0fc8a0fd5 in utf82def_copy (ufrom=ufrom@entry=0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n") at ./Unicode/ucharmap.c:159
159 return do_iconv(from_utf8, ufrom, strlen(ufrom), sizeof(ufrom[0]), sizeof(char));
(rr) print ufrom
$22 = 0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n"
(rr) bt
#0 do_iconv (cd=0x55b4437f72d0, inbuf=<optimized out>, inbuf@entry=0x7fff48abeef0, incount=<optimized out>, inunitsize=inunitsize@entry=1, outunitsize=outunitsize@entry=1) at ./Unicode/ucharmap.c:102
#1 0x00007fd0fc8a0fd5 in utf82def_copy (ufrom=ufrom@entry=0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n") at ./Unicode/ucharmap.c:159
#2 0x00007fd0fc958a84 in NOUI__LogError (format=<optimized out>, ap=ap@entry=0x7fff48abf0b0) at ./fontforge/nouiutil.c:55
#3 0x00007fd0fc958c49 in NOUI_LogError (format=<optimized out>) at ./fontforge/nouiutil.c:66
#4 0x00007fd0fc98555a in TTFAddLangStr (language=<optimized out>, spec=<optimized out>, plat=<optimized out>, stroff=<optimized out>, strlength=<optimized out>, id=0, info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:1609
#5 readttfcopyrights (info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:1748
#6 readttfpreglyph (info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:1814
#7 readttf (filename=0x55b4437ff930 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:5554
#8 _SFReadTTF (ttf=ttf@entry=0x55b4437ff990, flags=flags@entry=0, openflags=openflags@entry=0, filename=filename@entry=0x55b4437ff930 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", chosenname=chosenname@entry=0x0, fd=fd@entry=0x0) at ./fontforge/parsettf.c:6342
#9 0x00007fd0fca66a7a in _ReadSplineFont (file=<optimized out>, file@entry=0x0, filename=filename@entry=0x55b4437ff870 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", openflags=openflags@entry=0) at ./fontforge/splinefont.c:1130
#10 0x00007fd0fca6794c in ReadSplineFont (filename=filename@entry=0x55b4437ff870 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", openflags=openflags@entry=0) at ./fontforge/splinefont.c:1310
#11 0x00007fd0fca67a51 in LoadSplineFont (filename=filename@entry=0x55b4437ff810 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", openflags=openflags@entry=0) at ./fontforge/splinefont.c:1361
#12 0x00007fd0fca0701e in bOpen (c=0x7fff48abfc10) at ./fontforge/scripting.c:1802
#13 0x00007fd0fca0a273 in docall (c=c@entry=0x7fff48ac03e0, name=name@entry=0x7fff48abfe60 "Open", val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9241
#14 0x00007fd0fca0a6ee in handlename (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9354
#15 0x00007fd0fca0ba77 in term (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9592
#16 0x00007fd0fca0be23 in mul (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9737
#17 0x00007fd0fca0c0e5 in add (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9783
#18 0x00007fd0fca0c4be in comp (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9858
#19 0x00007fd0fca0c7ad in _and (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9899
#20 0x00007fd0fca0c96e in _or (val=0x7fff48ac0280, c=0x7fff48ac03e0) at ./fontforge/scripting.c:9931
#21 assign (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9967
#22 0x00007fd0fca09534 in expr (val=0x7fff48ac0280, c=0x7fff48ac03e0) at ./fontforge/scripting.c:10045
#23 ff_statement (c=c@entry=0x7fff48ac03e0) at ./fontforge/scripting.c:10258
#24 0x00007fd0fca0d6d1 in ProcessNativeScript (argc=argc@entry=4, argv=argv@entry=0x7fff48ac0848, script=script@entry=0x0) at ./fontforge/scripting.c:10405
#25 0x00007fd0fca0dd9d in _CheckIsScript (argv=0x7fff48ac0848, argc=1) at ./fontforge/scripting.c:10505
#26 CheckIsScript (argc=argc@entry=4, argv=argv@entry=0x7fff48ac0848) at ./fontforge/scripting.c:10546
#27 0x000055b44351f4aa in fontforge_main (argc=4, argv=0x7fff48ac0848) at ./fontforgeexe/startnoui.c:134
#28 0x00007fd0fc64618a in __libc_start_call_main (main=main@entry=0x55b44351f160 <main>, argc=argc@entry=4, argv=argv@entry=0x7fff48ac0848) at ../sysdeps/nptl/libc_start_call_main.h:58
#29 0x00007fd0fc646245 in __libc_start_main_impl (main=0x55b44351f160 <main>, argc=4, argv=0x7fff48ac0848, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff48ac0838) at ../csu/libc-start.c:381
#30 0x000055b44351f191 in _start ()
(rr) finish
Run till exit from #1 0x00007fd0fc8a0fd5 in utf82def_copy (ufrom=ufrom@entry=0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n") at ./Unicode/ucharmap.c:159
0x00007fd0fc958a84 in NOUI__LogError (format=<optimized out>, ap=ap@entry=0x7fff48abf0b0) at ./fontforge/nouiutil.c:56
56 fprintf(stderr,"%s",str);
Value returned is $23 = 0x0
(rr) print str
$24 = <optimized out>
(rr) next
Program received signal SIGSEGV, Segmentation fault.
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:76
76 VPCMPEQ (%rdi), %ymm0, %ymm1
(rr) bt 5
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:76
#1 0x00007fd0fc695425 in __GI__IO_fputs (str=str@entry=0x0, fp=0x7fd0fc7f2680 <_IO_2_1_stderr_>) at ./libio/iofputs.c:33
#2 0x00007fd0fc958a9a in fprintf (__fmt=<synthetic pointer>, __stream=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/stdio2.h:79
#3 NOUI__LogError (format=<optimized out>, ap=ap@entry=0x7fff48abf0b0) at ./fontforge/nouiutil.c:56
#4 0x00007fd0fc958c49 in NOUI_LogError (format=<optimized out>) at ./fontforge/nouiutil.c:66
(More stack frames follow...)
(rr) up
#1 0x00007fd0fc695425 in __GI__IO_fputs (str=str@entry=0x0, fp=0x7fd0fc7f2680 <_IO_2_1_stderr_>) at ./libio/iofputs.c:33
33 size_t len = strlen (str);
(rr) print str
$25 = 0x0
(rr)
/usr/include/asm-generic/errno.h:67:#define EILSEQ 84 /* Illegal byte sequence */
with the help of the core saved in the artifacts I found that
the crash happens when fontforge tries to print some logging.
It just started to crash if I run the command with LANG=C.
It seems to be caused by the call to function iconv returns
with errno==EILSEQ (Illegal byte sequence).
This could possibly be this "©" in the string to be processed.
Kind regards,
Bernhard
$ LANG=C rr record fontforge -script /home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/debian/clear-fstype.pe /home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf
$ rr replay -o-q
...
Breakpoint 3, iconv (cd=cd@entry=0x55b4437f72d0, inbuf=inbuf@entry=0x7fff48abee88, inbytesleft=inbytesleft@entry=0x7fff48abee80, outbuf=outbuf@entry=0x7fff48abeea0, outbytesleft=outbytesleft@entry=0x7fff48abee98) at ./iconv/iconv.c:32
32 {
(rr) finish
Run till exit from #0 iconv (cd=cd@entry=0x55b4437f72d0, inbuf=inbuf@entry=0x7fff48abee88, inbytesleft=inbytesleft@entry=0x7fff48abee80, outbuf=outbuf@entry=0x7fff48abeea0, outbytesleft=outbytesleft@entry=0x7fff48abee98) at ./iconv/iconv.c:32
0x00007fd0fc8a0b69 in do_iconv (cd=0x55b4437f72d0, inbuf=<optimized out>, inbuf@entry=0x7fff48abeef0, incount=<optimized out>, inunitsize=inunitsize@entry=1, outunitsize=outunitsize@entry=1) at ./Unicode/ucharmap.c:101
101 if (iconv(cd, (iconv_arg2_t)&inbuf, &incount, &dst, &outremain) == (size_t)-1) {
Value returned is $19 = 18446744073709551615
(rr) next
102 if (errno == E2BIG) {
(rr) print errno
$20 = 84
(rr) print inbuf
$21 = <optimized out>
(rr) up
#1 0x00007fd0fc8a0fd5 in utf82def_copy (ufrom=ufrom@entry=0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n") at ./Unicode/ucharmap.c:159
159 return do_iconv(from_utf8, ufrom, strlen(ufrom), sizeof(ufrom[0]), sizeof(char));
(rr) print ufrom
$22 = 0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n"
(rr) bt
#0 do_iconv (cd=0x55b4437f72d0, inbuf=<optimized out>, inbuf@entry=0x7fff48abeef0, incount=<optimized out>, inunitsize=inunitsize@entry=1, outunitsize=outunitsize@entry=1) at ./Unicode/ucharmap.c:102
#1 0x00007fd0fc8a0fd5 in utf82def_copy (ufrom=ufrom@entry=0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n") at ./Unicode/ucharmap.c:159
#2 0x00007fd0fc958a84 in NOUI__LogError (format=<optimized out>, ap=ap@entry=0x7fff48abf0b0) at ./fontforge/nouiutil.c:55
#3 0x00007fd0fc958c49 in NOUI_LogError (format=<optimized out>) at ./fontforge/nouiutil.c:66
#4 0x00007fd0fc98555a in TTFAddLangStr (language=<optimized out>, spec=<optimized out>, plat=<optimized out>, stroff=<optimized out>, strlength=<optimized out>, id=0, info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:1609
#5 readttfcopyrights (info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:1748
#6 readttfpreglyph (info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:1814
#7 readttf (filename=0x55b4437ff930 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", info=0x7fff48abf220, ttf=0x55b4437ff990) at ./fontforge/parsettf.c:5554
#8 _SFReadTTF (ttf=ttf@entry=0x55b4437ff990, flags=flags@entry=0, openflags=openflags@entry=0, filename=filename@entry=0x55b4437ff930 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", chosenname=chosenname@entry=0x0, fd=fd@entry=0x0) at ./fontforge/parsettf.c:6342
#9 0x00007fd0fca66a7a in _ReadSplineFont (file=<optimized out>, file@entry=0x0, filename=filename@entry=0x55b4437ff870 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", openflags=openflags@entry=0) at ./fontforge/splinefont.c:1130
#10 0x00007fd0fca6794c in ReadSplineFont (filename=filename@entry=0x55b4437ff870 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", openflags=openflags@entry=0) at ./fontforge/splinefont.c:1310
#11 0x00007fd0fca67a51 in LoadSplineFont (filename=filename@entry=0x55b4437ff810 "/home/benutzer/source/fonts-femkeklaver/git/fonts-femkeklaver/femkeklaver.ttf", openflags=openflags@entry=0) at ./fontforge/splinefont.c:1361
#12 0x00007fd0fca0701e in bOpen (c=0x7fff48abfc10) at ./fontforge/scripting.c:1802
#13 0x00007fd0fca0a273 in docall (c=c@entry=0x7fff48ac03e0, name=name@entry=0x7fff48abfe60 "Open", val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9241
#14 0x00007fd0fca0a6ee in handlename (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9354
#15 0x00007fd0fca0ba77 in term (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9592
#16 0x00007fd0fca0be23 in mul (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9737
#17 0x00007fd0fca0c0e5 in add (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9783
#18 0x00007fd0fca0c4be in comp (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9858
#19 0x00007fd0fca0c7ad in _and (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9899
#20 0x00007fd0fca0c96e in _or (val=0x7fff48ac0280, c=0x7fff48ac03e0) at ./fontforge/scripting.c:9931
#21 assign (c=c@entry=0x7fff48ac03e0, val=val@entry=0x7fff48ac0280) at ./fontforge/scripting.c:9967
#22 0x00007fd0fca09534 in expr (val=0x7fff48ac0280, c=0x7fff48ac03e0) at ./fontforge/scripting.c:10045
#23 ff_statement (c=c@entry=0x7fff48ac03e0) at ./fontforge/scripting.c:10258
#24 0x00007fd0fca0d6d1 in ProcessNativeScript (argc=argc@entry=4, argv=argv@entry=0x7fff48ac0848, script=script@entry=0x0) at ./fontforge/scripting.c:10405
#25 0x00007fd0fca0dd9d in _CheckIsScript (argv=0x7fff48ac0848, argc=1) at ./fontforge/scripting.c:10505
#26 CheckIsScript (argc=argc@entry=4, argv=argv@entry=0x7fff48ac0848) at ./fontforge/scripting.c:10546
#27 0x000055b44351f4aa in fontforge_main (argc=4, argv=0x7fff48ac0848) at ./fontforgeexe/startnoui.c:134
#28 0x00007fd0fc64618a in __libc_start_call_main (main=main@entry=0x55b44351f160 <main>, argc=argc@entry=4, argv=argv@entry=0x7fff48ac0848) at ../sysdeps/nptl/libc_start_call_main.h:58
#29 0x00007fd0fc646245 in __libc_start_main_impl (main=0x55b44351f160 <main>, argc=4, argv=0x7fff48ac0848, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff48ac0838) at ../csu/libc-start.c:381
#30 0x000055b44351f191 in _start ()
(rr) finish
Run till exit from #1 0x00007fd0fc8a0fd5 in utf82def_copy (ufrom=ufrom@entry=0x7fff48abeef0 "Warning: Mac and Windows entries in the 'name' table differ for the\n Copyright string in the language English (US)\n Mac String: Typeface © (your company). 2008. All Rights Reserved\nWindows String: Typeface © (femkeklaver.nl). 2008. All Rights Reserved\n") at ./Unicode/ucharmap.c:159
0x00007fd0fc958a84 in NOUI__LogError (format=<optimized out>, ap=ap@entry=0x7fff48abf0b0) at ./fontforge/nouiutil.c:56
56 fprintf(stderr,"%s",str);
Value returned is $23 = 0x0
(rr) print str
$24 = <optimized out>
(rr) next
Program received signal SIGSEGV, Segmentation fault.
76 VPCMPEQ (%rdi), %ymm0, %ymm1
(rr) bt 5
#0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:76
#1 0x00007fd0fc695425 in __GI__IO_fputs (str=str@entry=0x0, fp=0x7fd0fc7f2680 <_IO_2_1_stderr_>) at ./libio/iofputs.c:33
#2 0x00007fd0fc958a9a in fprintf (__fmt=<synthetic pointer>, __stream=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/stdio2.h:79
#3 NOUI__LogError (format=<optimized out>, ap=ap@entry=0x7fff48abf0b0) at ./fontforge/nouiutil.c:56
#4 0x00007fd0fc958c49 in NOUI_LogError (format=<optimized out>) at ./fontforge/nouiutil.c:66
(More stack frames follow...)
(rr) up
#1 0x00007fd0fc695425 in __GI__IO_fputs (str=str@entry=0x0, fp=0x7fd0fc7f2680 <_IO_2_1_stderr_>) at ./libio/iofputs.c:33
33 size_t len = strlen (str);
(rr) print str
$25 = 0x0
(rr)
/usr/include/asm-generic/errno.h:67:#define EILSEQ 84 /* Illegal byte sequence */
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