Martin Cermak <marti...@gmail.com> writes: > On Tue 2019-05-28 15:27 , Thomas Adam wrote: >> On Tue, 28 May 2019 at 14:47, <gi1242+f...@gmail.com> wrote: >> > >> > Hi All, >> > >> > I'm using fvwm 2.6.7 from Debian/stretch. >> > >> > If I execute the command >> > >> > Pick WindowStyle MiniIcon password.png >> > >> > I get a full FVWM crash (and consequently an X server exit + lost work + >> > tears). >> >> Can you please ensure FVWM has been built with debug symbols, and get >> a backtrace from gdb? > > Reproduced with fvwm-2.6.8-2.fc29.x86_64 > (https://koji.fedoraproject.org/koji/buildinfo?buildID=1108778) : > > ======= > (gdb) bt > #0 0x00007ff3879ff53f in raise () from /lib64/libc.so.6 > #1 0x00007ff3879e9895 in abort () from /lib64/libc.so.6 > #2 0x00007ff38851a235 in ?? () from /lib64/libpng16.so.16 > #3 0x00007ff38851f4eb in png_error () from /lib64/libpng16.so.16 > #4 0x00007ff38851f574 in png_chunk_error () from /lib64/libpng16.so.16 > #5 0x00007ff3885325ff in ?? () from /lib64/libpng16.so.16 > #6 0x00007ff388524b08 in png_read_row () from /lib64/libpng16.so.16 > #7 0x00007ff38852668a in png_read_image () from /lib64/libpng16.so.16 > #8 0x0000559b77dc8df1 in PImageLoadPng (dpy=<optimized out>, > path=<optimized out>, argb_data=0x7ffe4630b2b0, width=<optimized out>, > height=<optimized out>) at PictureImageLoader.c:535
I'll point out the obvious. Other programs successfully display that PNG image, some along with an error message. In Fvwm's case, libpng calls abort(), because Fvwm hasn't set up a png error handler. -- Dan Espen
