Package: libx11 Version: 2:1.7.1-1 Severity: normal Dear Maintainer,
When I launch fdesign (from libforms-bin) and click on the menu (File, Form, Group, Options, etc.) the program segfaults. libforms-bin hasn't seen any version changes in a long time. The debugger and some empirical evidence suggests it was the libx11 change from version 2:1.7.0-2 to version 2:1.7.1-1. Here is the debugging backtrace: $ gdb fdesign [...] (No debugging symbols found in fdesign) (gdb) run Starting program: /usr/bin/fdesign Program received signal SIGSEGV, Segmentation fault. __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65 65 ../sysdeps/x86_64/multiarch/strlen-avx2.S: No such file or directory. (gdb) back #0 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65 #1 0x00007ffff7de1505 in XStoreName () from /lib/x86_64-linux-gnu/libX11.so.6 #2 0x00007ffff7f5553f in fl_showpup () from /lib/libforms.so.2 #3 0x00007ffff7f558a4 in fl_dopup () from /lib/libforms.so.2 #4 0x00007ffff7f2efef in ?? () from /lib/libforms.so.2 #5 0x00007ffff7f2f604 in ?? () from /lib/libforms.so.2 #6 0x00007ffff7f3200b in ?? () from /lib/libforms.so.2 #7 0x00007ffff7f33068 in fli_handle_object () from /lib/libforms.so.2 #8 0x00007ffff7f27751 in fli_handle_form () from /lib/libforms.so.2 #9 0x00007ffff7f2892f in fli_treat_interaction_events () from /lib/libforms.so.2 #10 0x00007ffff7f28f77 in fl_do_forms () from /lib/libforms.so.2 #11 0x0000555555572332 in ?? () #12 0x00007ffff7c03d0a in __libc_start_main (main=0x55555557139b, argc=1, argv=0x7fffffffe0a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe098) at ../csu/libc-start.c:308 #13 0x000055555556748a in ?? () When I downgrade libx11-6 to version 2:1.7.0-2, fdesign no longer segfaults and works properly. Thank you for supporting free software. It is appreciated! -- System Information: Debian Release: 11.0 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'unstable'), (500, 'stable') Architecture: amd64 (x86_64) Kernel: Linux 5.10.0-8-amd64 (SMP w/12 CPU threads) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled