On Thu, 21 Oct 2021 01:34:47 -0700
Mark Millard via freebsd-current <freebsd-current@freebsd.org> wrote:

> I get the following crash (amd64 example shown), as reported
> via gdb afterwards. (devel/llvm13 is just an example context.)
> 
> gdb `which dialog4ports` devel/llvm13/dialog4ports.core
> . . .
> Core was generated by `/usr/local/bin/dialog4ports'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> Address not mapped to object.
> #0  vfprintf_l (fp=0x4d4940, locale=0x8004d4128 <__xlocale_global_locale>, 
> fmt0=0x201f64 "\"%s\"", ap=ap@entry=0x7fffffffcf00) at 
> /usr/main-src/lib/libc/stdio/vfprintf.c:281
> 281           if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
> (gdb) bt
> #0  vfprintf_l (fp=0x4d4940, locale=0x8004d4128 <__xlocale_global_locale>, 
> fmt0=0x201f64 "\"%s\"", ap=ap@entry=0x7fffffffcf00) at 
> /usr/main-src/lib/libc/stdio/vfprintf.c:281
> #1  0x0000000800409283 in fprintf (fp=0x800411660 <__stdio_cancel_cleanup>, 
> fmt=0x7fffffffcdd0 "0\317\377\377\377\177") at 
> /usr/main-src/lib/libc/stdio/fprintf.c:57
> #2  0x000000000020399d in main (argc=<optimized out>, argv=<optimized out>) 
> at dialog4ports.c:332
> (gdb) quit
> 
> The crash happens after selecting OK but not after selecting Cancel. The
> display is also odd before that (no line drawing, just odd text instead),
> but is sufficient to be usable at that stage.
> 

This is an indication that something is missing in dialog4ports which
is required by FBSD-14 but not FBSD-13.  I had a similar problem with
dialog4ports under FBSD-14 some weeks ago, because i had a really old
version installed.  After upgrading it using the pkg repositories for
FBSD-14 all problems, in particular garbled text, disappeared.

IIRC there were updates to ncurses in FBSD-14 fairly recently which
would explain the problem with old versions of dialog4ports.

> I've not had any other of the ports that I built in/for releng/13.0
> (and have used) fail to operate under main [so: under 14]. (But the
> variety used is not wide.)
> 
> For reference . . . 
> 
> # uname -apKU
> FreeBSD amd64_ZFS 14.0-CURRENT FreeBSD 14.0-CURRENT #3 
> main-n249978-032448cd2c52-dirty: Fri Oct  8 23:57:23 PDT 2021     
> root@amd64_ZFS:/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG
>   amd64 amd64 1400036 1400036
> 
> (Not a debug build but has debug symbols enabled.)
> 
> # pwd
> /usr/ports
> # ~/fbsd-based-on-what-commit.sh 
> branch: main
> merge-base: 4116dc2f1f6385b42fb668badb6b4c1cbb195f9d
> merge-base: CommitDate: 2021-10-17 21:52:37 +0000
> 4116dc2f1f63 (HEAD -> main, freebsd/main, freebsd/HEAD) 
> ports-mgmt/poudriere-devel: Update to 3.3.0-1022-g964cf327f
> n562472 (--first-parent --count for merge-base)
> 
> # file `which dialog4ports`
> /usr/local/bin/dialog4ports: ELF 64-bit LSB executable, x86-64, version 1 
> (FreeBSD), dynamically linked, interpreter /libexec/ld-elf.so.1, for FreeBSD 
> 13.0 (1300139), FreeBSD-style, with debug_info, not stripped
> 
> # ldd `which dialog4ports`
> /usr/local/bin/dialog4ports:
>       libncursesw.so.9 => /lib/libncursesw.so.9 (0x800248000)
>       libm.so.5 => /lib/libm.so.5 (0x800281000)
>       libdialog.so.9 => /usr/lib/libdialog.so.9 (0x8002b8000)
>       libc.so.7 => /lib/libc.so.7 (0x8002f6000)
>       libtinfow.so.9 => /lib/libtinfow.so.9 (0x800703000)
> 
> Note: The dialog4ports is a non-debug build but with debug symbols,
> as is normal for my port builds via poudriere-devel .
> 
> As for the poudriere-devel build context for the ports:
> 
> # chroot /usr/obj/DESTDIRs/13_0R-amd64-poud/
> # uname -apKU
> FreeBSD amd64_ZFS 14.0-CURRENT FreeBSD 14.0-CURRENT #3 
> main-n249978-032448cd2c52-dirty: Fri Oct  8 23:57:23 PDT 2021     
> root@amd64_ZFS:/usr/obj/BUILDs/main-amd64-nodbg-clang/usr/main-src/amd64.amd64/sys/GENERIC-NODBG
>   amd64 amd64 1400036 1300139
> 
> # cd /usr/13_0R-src/
> # ~/fbsd-based-on-what-commit.sh 
> branch: releng/13.0
> merge-base: 940681634ee17d12225ecd722c07fef1a0bde813
> merge-base: CommitDate: 2021-08-24 18:23:29 +0000
> 940681634ee1 (HEAD -> releng/13.0, freebsd/releng/13.0) Add UPDATING entries 
> and bump version.
> n244760 (--first-parent --count for merge-base)
> 
> 
> 
> ===
> Mark Millard
> marklmi at yahoo.com
> ( dsl-only.net went
> away in early 2018-Mar)
> 
> 


-- 
Gary Jennejohn

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