Public bug reported: Regression between 8:6.8.9.9-7ubuntu5.9 and 8:6.8.9.9-7ubuntu5.12.
Test case: 1. Download the attached pngs. 2. Run: /usr/bin/convert -limit memory 512MiB -limit map 0MiB -limit file 10 -delay 16 -loop 0 -coalesce -deconstruct ./*.png ./output.gif Expected result: Process finishes with resulting output.gif. Actual result: Process is aborted with SIGSEGV: Other information: In my tests looks like it has been introduced in 8:6.8.9.9-7ubuntu5.11 and does not occur on Bionic. Stack trace: #0 EncodeImage (image_info=0x645c40, data_size=<optimized out>, image=0x636890) at ../../coders/gif.c:676 #1 WriteGIFImage (image_info=0x640700, image=0x636890) at ../../coders/gif.c:1905 #2 0x00007ffff79a5f0f in WriteImage (image_info=image_info@entry=0x618680, image=image@entry=0x62cb30) at ../../magick/constitute.c:1184 #3 0x00007ffff79a684f in WriteImages (image_info=image_info@entry=0x60fcd0, images=<optimized out>, images@entry=0x62cb30, filename=<optimized out>, exception=exception@entry=0x602ea0) at ../../magick/constitute.c:1335 #4 0x00007ffff763e84e in ConvertImageCommand (image_info=0x60fcd0, argc=19, argv=0x6143b0, metadata=0x0, exception=0x602ea0) at ../../wand/convert.c:3215 #5 0x00007ffff76ab527 in MagickCommandGenesis ( image_info=image_info@entry=0x60aab0, command=0x4007f0 <ConvertImageCommand@plt>, argc=argc@entry=19, argv=argv@entry=0x7fffffffdc68, metadata=metadata@entry=0x0, exception=exception@entry=0x602ea0) at ../../wand/mogrify.c:168 #6 0x0000000000400877 in ConvertMain (argv=0x7fffffffdc68, argc=19) at ../../utilities/convert.c:81 #7 main (argc=19, argv=0x7fffffffdc68) at ../../utilities/convert.c:92 ** Affects: imagemagick (Ubuntu) Importance: High Status: New ** Tags: regression regression-update ** Attachment added: "SH_HL_08_Step1_F028.png" https://bugs.launchpad.net/bugs/1793485/+attachment/5190921/+files/SH_HL_08_Step1_F028.png ** Changed in: imagemagick (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1793485 Title: segfault in png to gif conversion To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1793485/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs