This file is 54kb, so it's not a large image. Here is the core dump...
$ pinta
*** Error in `/usr/bin/mono': free(): invalid pointer: 0x000055840a3ca420 ***
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(+0x722fb)[0x7fa0324672fb]
/lib/x86_64-linux-gnu/libc.so.6(+0x7895e)[0x7fa03246d95e]
/lib/x86_64-linux-gnu/libc.so.6(+0x791be)[0x7fa03246e1be]
[0x401ef980]
======= Memory map: ========
400bb000-401ff000 rwxp 00000000 00:00 0
403f6000-40406000 rwxp 00000000 00:00 0
5584084c7000-558408864000 r-xp 00000000 08:01 1968477 /usr/bin/mono-sgen
558408a63000-558408a68000 r--p 0039c000 08:01 1968477 /usr/bin/mono-sgen
558408a68000-558408a72000 rw-p 003a1000 08:01 1968477 /usr/bin/mono-sgen
558408a72000-558408aa5000 rw-p 00000000 00:00 0
558409bcd000-55840ae97000 rw-p 00000000 00:00 0 [heap]
7f9ff0000000-7f9ff0022000 rw-p 00000000 00:00 0
7f9ff0022000-7f9ff4000000 ---p 00000000 00:00 0
7f9ff6000000-7f9ff8000000 rw-s 00000000 00:05 18907154 /SYSV00000000 (deleted)
7f9ff8000000-7f9ff8022000 rw-p 00000000 00:00 0
7f9ff8022000-7f9ffc000000 ---p 00000000 00:00 0
7f9ffc000000-7f9ffc022000 rw-p 00000000 00:00 0
7f9ffc022000-7fa000000000 ---p 00000000 00:00 0
7fa000000000-7fa000022000 rw-p 00000000 00:00 0
7fa000022000-7fa004000000 ---p 00000000 00:00 0
7fa004000000-7fa004022000 rw-p 00000000 00:00 0
7fa004022000-7fa008000000 ---p 00000000 00:00 0
7fa008000000-7fa008022000 rw-p 00000000 00:00 0
7fa008022000-7fa00c000000 ---p 00000000 00:00 0
7fa00cffa000-7fa00cffb000 ---p 00000000 00:00 0
7fa00cffb000-7fa00d7fb000 rw-p 00000000 00:00 0
7fa00dffc000-7fa00dffd000 ---p 00000000 00:00 0
7fa00dffd000-7fa00e7fd000 rw-p 00000000 00:00 0
7fa00e7fd000-7fa00e7fe000 ---p 00000000 00:00 0
7fa00e7fe000-7fa00effe000 rw-p 00000000 00:00 0
7fa00f7ff000-7fa00f800000 ---p 00000000 00:00 0
7fa00f800000-7fa010000000 rw-p 00000000 00:00 0
7fa010000000-7fa010022000 rw-p 00000000 00:00 0
7fa010022000-7fa014000000 ---p 00000000 00:00 0
7fa014000000-7fa014022000 rw-p 00000000 00:00 0
7fa014022000-7fa018000000 ---p 00000000 00:00 0
7fa0181c8000-7fa018338000 r-xp 00000000 08:01 2099112 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.24
7fa018338000-7fa018538000 ---p 00170000 08:01 2099112 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.24
7fa018538000-7fa018542000 r--p 00170000 08:01 2099112 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.24
7fa018542000-7fa018544000 rw-p 0017a000 08:01 2099112 /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.24
7fa018544000-7fa018547000 rw-p 00000000 00:00 0
7fa018547000-7fa01856c000 r-xp 00000000 08:01 4849769 /lib/x86_64-linux-gnu/liblzma.so.5.2.2
7fa01856c000-7fa01876b000 ---p 00025000 08:01 4849769 /lib/x86_64-linux-gnu/liblzma.so.5.2.2
7fa01876b000-7fa01876c000 r--p 00024000 08:01 4849769 /lib/x86_64-linux-gnu/liblzma.so.5.2.2
7fa01876c000-7fa01876d000 rw-p 00025000 08:01 4849769 /lib/x86_64-linux-gnu/liblzma.so.5.2.2
7fa01876d000-7fa019fe9000 r-xp 00000000 08:01 2097967 /usr/lib/x86_64-linux-gnu/libicudata.so.57.1
7fa019fe9000-7fa01a1e8000 ---p 0187c000 08:01 2097967 /usr/lib/x86_64-linux-gnu/libicudata.so.57.1
7fa01a1e8000-7fa01a1e9000 r--p 0187b000 08:01 2097967 /usr/lib/x86_64-linux-gnu/libicudata.so.57.1
7fa01a1e9000-7fa01a1ea000 rw-p 0187c000 08:01 2097967 /usr/lib/x86_64-linux-gnu/libicudata.so.57.1
7fa01a1ea000-7fa01a37a000 r-xp 00000000 08:01 2100358 /usr/lib/x86_64-linux-gnu/libicuuc.so.57.1
7fa01a37a000-7fa01a57a000 ---p 00190000 08:01 2100358 /usr/lib/x86_64-linux-gnu/libicuuc.so.57.1
7fa01a57a000-7fa01a58c000 r--p 00190000 08:01 2100358 /usr/lib/x86_64-linux-gnu/libicuuc.so.57.1
7fa01a58c000-7fa01a58d000 rw-p 001a2000 08:01 2100358 /usr/lib/x86_64-linux-gnu/libicuuc.so.57.1
7fa01a58d000-7fa01a58f000 rw-p 00000000 00:00 0
7fa01a58f000-7fa01a7f3000 r-xp 00000000 08:01 2098245 /usr/lib/x86_64-linux-gnu/libicui18n.so.57.1
7fa01a7f3000-7fa01a9f3000 ---p 00264000 08:01 2098245 /usr/lib/x86_64-linux-gnu/libicui18n.so.57.1
7fa01a9f3000-7fa01aa00000 r--p 00264000 08:01 2098245 /usr/lib/x86_64-linux-gnu/libicui18n.so.57.1
7fa01aa00000-7fa01aa02000 rw-p 00271000 08:01 2098245 /usr/lib/x86_64-linux-gnu/libicui18n.so.57.1
7fa01aa02000-7fa01aa03000 rw-p 00000000 00:00 0
7fa01aa03000-7fa01abba000 r-xp 00000000 08:01 2097765 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4
7fa01abba000-7fa01adba000 ---p 001b7000 08:01 2097765 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4
7fa01adba000-7fa01adc2000 r--p 001b7000 08:01 2097765 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4
7fa01adc2000-7fa01adc4000 rw-p 001bf000 08:01 2097765 /usr/lib/x86_64-linux-gnu/libxml2.so.2.9.4
7fa01adc4000-7fa01adc5000 rw-p 00000000 00:00 0
7fa01adc5000-7fa01adfc000 r-xp 00000000 08:01 2097323 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1
7fa01adfc000-7fa01affc000 ---p 00037000 08:01 2097323 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1
7fa01affc000-7fa01afff000 r--p 00037000 08:01 2097323 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1
7fa01afff000-7fa01b000000 rw-p 0003a000 08:01 2097323 /usr/lib/x86_64-linux-gnu/libcroco-0.6.so.3.0.1
7fa01bd7c000-7fa01bdfc000 rw-p 00000000 00:00 0
7fa01be00000-7fa01bf00000 rw-p 00000000 00:00 0
7fa01bf7c000-7fa01bffc000 rw-p 00000000 00:00 0
7fa01c000000-7fa01c021000 rw-p 00000000 00:00 0
7fa01c021000-7fa020000000 ---p 00000000 00:00 0
7fa020038000-7fa0200b8000 rw-p 00000000 00:00 0
7fa0200bc000-7fa0200f2000 r-xp 00000000 08:01 2101191 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.40.20
7fa0200f2000-7fa0202f2000 ---p 00036000 08:01 2101191 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.40.20
7fa0202f2000-7fa0202f3000 r--p 00036000 08:01 2101191 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.40.20
7fa0202f3000-7fa0202f4000 rw-p 00037000 08:01 2101191 /usr/lib/x86_64-linux-gnu/librsvg-2.so.2.40.20
7fa0202f4000-7fa0202f6000 r-xp 00000000 08:01 2099015 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so
7fa0202f6000-7fa0204f5000 ---p 00002000 08:01 2099015 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so
7fa0204f5000-7fa0204f6000 r--p 00001000 08:01 2099015 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so
7fa0204f6000-7fa0204f7000 rw-p 00002000 08:01 2099015 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so
7fa0204f7000-7fa0204f8000 ---p 00000000 00:00 0
7fa0204f8000-7fa020cf8000 rw-p 00000000 00:00 0
7fa020cf8000-7fa020d11000 r-xp 00000000 08:01 2097488 /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
7fa020d11000-7fa020f11000 ---p 00019000 08:01 2097488 /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
7fa020f11000-7fa020f14000 r--p 00019000 08:01 2097488 /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
7fa020f14000-7fa020f15000 rw-p 0001c000 08:01 2097488 /usr/lib/x86_64-linux-gnu/gio/modules/libgioremote-volume-monitor.so
7fa020f3c000-7fa020fbc000 rw-p 00000000 00:00 0
7fa020fc0000-7fa0211cb000 rw-p 00000000 00:00 0
7fa0211cb000-7fa02122b000 rw-s 00000000 00:05 18808849 /SYSV00000000 (deleted)
7fa02122b000-7fa021500000 rw-p 00000000 00:00 0
7fa021556000-7fa021a00000 rw-p 00000000 00:00 0
7fa021a1e000-7fa021a33000 rw-p 00000000 00:00 0
7fa021a33000-7fa021a55000 r--p 00000000 08:01 2622172 /usr/share/fonts/truetype/liberation/LiberationSans-Bold.ttf
7fa021a55000-7fa021a5c000 r--s 00000000 08:01 2124769 /usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache
7fa021a5c000-7fa021aae000 r--p 00000000 08:01 3032293 /usr/lib/mono/gac/Mono.Security/4.0.0.0__0738eb9f132ed756/Mono.Security.dll
7fa021aae000-7fa021acf000 r--p 00000000 08:01 2099635 /usr/lib/pinta/Pinta.Tools.dll
7fa021acf000-7fa021af4000 r--p 00000000 08:01 2100884 /usr/lib/pinta/Pinta.Effects.dll
7fa021af4000-7fa021bdc000 r--p 00000000 08:01 3158603 /usr/lib/mono/gac/System.Core/4.0.0.0__b77a5c561934e089/System.Core.dll
7fa021bdc000-7fa021be2000 r-xp 00000000 08:01 3555402 /usr/lib/cli/gdk-sharp-2.0/libgdksharpglue-2.so
7fa021be2000-7fa021de1000 ---p 00006000 08:01 3555402 /usr/lib/cli/gdk-sharp-2.0/libgdksharpglue-2.so
7fa021de1000-7fa021de2000 r--p 00005000 08:01 3555402 /usr/lib/cli/gdk-sharp-2.0/libgdksharpglue-2.so
7fa021de2000-7fa021de3000 rw-p 00006000 08:01 3555402 /usr/lib/cli/gdk-sharp-2.0/libgdksharpglue-2.so
7fa021de3000-7fa022113000 r--p 00000000 08:01 3026085 /usr/lib/mono/gac/System.Xml/4.0.0.0__b77a5c561934e089/System.Xml.dll
7fa022113000-7fa022118000 r-xp 00000000 08:01 2101688 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so
7fa022118000-7fa022317000 ---p 00005000 08:01 2101688 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so
7fa022317000-7fa022318000 r--p 00004000 08:01 2101688 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so
7fa022318000-7fa022319000 rw-p 00005000 08:01 2101688 /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so
7fa022319000-7fa022323000 r-xp 00000000 08:01 2098041 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libpixmap.so
7fa022323000-7fa022522000 ---p 0000a000 08:01 2098041 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libpixmap.so
7fa022522000-7fa022523000 r--p 00009000 08:01 2098041 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libpixmap.so
7fa022523000-7fa022524000 rw-p 0000a000 08:01 2098041 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libpixmap.so
7fa022524000-7fa02255f000 r-xp 00000000 08:01 2098207 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libmurrine.so
7fa02255f000-7fa02275e000 ---p 0003b000 08:01 2098207 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libmurrine.so
7fa02275e000-7fa02275f000 r--p 0003a000 08:01 2098207 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libmurrine.so
7fa02275f000-7fa022760000 rw-p 0003b000 08:01 2098207 /usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/engines/libmurrine.so
7fa022760000-7fa022783000 r-xp 00000000 08:01 3555409 /usr/lib/cli/gtk-sharp-2.0/libgtksharpglue-2.so
7fa022783000-7fa022983000 ---p 00023000 08:01 3555409 /usr/lib/cli/gtk-sharp-2.0/libgtksharpglue-2.so
7fa022983000-7fa022984000 r--p 00023000 08:01 3555409 /usr/lib/cli/gtk-sharp-2.0/libgtksharpglue-2.so
7fa022984000-7fa022985000 rw-p 00024000 08:01 3555409 /usr/lib/cli/gtk-sharp-2.0/libgtksharpglue-2.so
7fa022985000-7fa022988000 r-xp 00000000 08:01 3159919 /usr/lib/cli/glib-sharp-2.0/libglibsharpglue-2.so
7fa022988000-7fa022b87000 ---p 00003000 08:01 3159919 /usr/lib/cli/glib-sharp-2.0/libglibsharpglue-2.so
7fa022b87000-7fa022b88000 r--p 00002000 08:01 3159919 /usr/lib/cli/glib-sharp-2.0/libglibsharpglue-2.so
7fa022b88000-7fa022b89000 rw-p 00003000 08:01 3159919 /usr/lib/cli/glib-sharp-2.0/libglibsharpglue-2.so
7fa022b89000-7fa022b8a000 ---p 00000000 00:00 0
7fa022b8a000-7fa02338a000 rw-p 00000000 00:00 0
7fa02338a000-7fa02338b000 ---p 00000000 00:00 0
7fa02338b000-7fa023b8b000 rw-p 00000000 00:00 0
7fa023b8b000-7fa023b8d000 r-xp 00000000 08:01 4851018 /lib/x86_64-linux-gnu/libutil-2.25.so
7fa023b8d000-7fa023d8c000 ---p 00002000 08:01 4851018 /lib/x86_64-linux-gnu/libutil-2.25.so
7fa023d8c000-7fa023d8d000 r--p 00001000 08:01 4851018 /lib/x86_64-linux-gnu/libutil-2.25.so
7fa023d8d000-7fa023d8e000 rw-p 00002000 08:01 4851018 /lib/x86_64-linux-gnu/libutil-2.25.so
7fa023d8e000-7fa023dc5000 r-xp 00000000 08:01 2097550 /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so
7fa023dc5000-7fa023fc5000 ---p 00037000 08:01 2097550 /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so
7fa023fc5000-7fa023fcb000 r--p 00037000 08:01 2097550 /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so
7fa023fcb000-7fa023fcc000 rw-p 0003d000 08:01 2097550 /usr/lib/x86_64-linux-gnu/gvfs/libgvfscommon.so
7fa023fcc000-7fa023ffe000 r-xp 00000000 08:01 2097490 /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so
7fa023ffe000-7fa0241fd000 ---p 00032000 08:01 2097490 /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so
7fa0241fd000-7fa0241ff000 r--p 00031000 08:01 2097490 /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so
7fa0241ff000-7fa024200000 rw-p 00033000 08:01 2097490 /usr/lib/x86_64-linux-gnu/gio/modules/libgvfsdbus.so
7fa024200000-7fa024302000 rw-p 00000000 00:00 0
7fa024302000-7fa024304000 rw-p 00000000 00:00 0
7fa024304000-7fa024314000 rwxp 00000000 00:00 0
7fa024314000-7fa024317000 rw-p 00000000 00:00 0
7fa024317000-7fa024337000 r--p 00000000 08:01 3026113 /usr/lib/mono/gac/System.Configuration/4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
7fa024337000-7fa024347000 rwxp 00000000 00:00 0
7fa024347000-7fa024366000 r-xp 00000000 08:01 1968284 /usr/lib/libMonoSupportW.so
7fa024366000-7fa024566000 ---p 0001f000 08:01 1968284 /usr/lib/libMonoSupportW.so
7fa024566000-7fa024567000 r--p 0001f000 08:01 1968284 /usr/lib/libMonoSupportW.so
7fa024567000-7fa024568000 rw-p 00020000 08:01 1968284 /usr/lib/libMonoSupportW.so
7fa024568000-7fa02456c000 r-xp 00000000 08:01 4849700 /lib/x86_64-linux-gnu/libuuid.so.1.3.0
7fa02456c000-7fa02476b000 ---p 00004000 08:01 4849700 /lib/x86_64-linux-gnu/libuuid.so.1.3.0
7fa02476b000-7fa02476c000 r--p 00003000 08:01 4849700 /lib/x86_64-linux-gnu/libuuid.so.1.3.0
7fa02476c000-7fa02476d000 rw-p 00004000 08:01 4849700 /lib/x86_64-linux-gnu/libuuid.so.1.3.0
7fa02476d000-7fa024780000 r-xp 00000000 08:01 4849808 /lib/x86_64-linux-gnu/libbsd.so.0.8.6
7fa024780000-7fa02497f000 ---p 00013000 08:01 4849808 /lib/x86_64-linux-gnu/libbsd.so.0.8.6
7fa02497f000-7fa024980000 r--p 00012000 08:01 4849808 /lib/x86_64-linux-gnu/libbsd.so.0.8.6
7fa024980000-7fa024981000 rw-p 00013000 08:01 4849808 /lib/x86_64-linux-gnu/libbsd.so.0.8.6
7fa024981000-7fa024982000 rw-p 00000000 00:00 0
7fa024982000-7fa024988000 r-xp 00000000 08:01 2097521 /usr/lib/x86_64-linux-gnu/libdatrie.so.1.3.3
7fa024988000-7fa024b88000 ---p 00006000 08:01 2097521 /usr/lib/x86_64-linux-gnu/libdatrie.so.1.3.3
7fa024b88000-7fa024b89000 r--p 00006000 08:01 2097521 /usr/lib/x86_64-linux-gnu/libdatrie.so.1.3.3
7fa024b89000-7fa024b8a000 rw-p 00007000 08:01 2097521 /usr/lib/x86_64-linux-gnu/libdatrie.so.1.3.3
7fa024b8a000-7fa024bb4000 r-xp 00000000 08:01 2098169 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1
7fa024bb4000-7fa024db4000 ---p 0002a000 08:01 2098169 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1
7fa024db4000-7fa024db6000 r--p 0002a000 08:01 2098169 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1
7fa024db6000-7fa024db7000 rw-p 0002c000 08:01 2098169 /usr/lib/x86_64-linux-gnu/libgraphite2.so.3.0.1
7fa024db7000-7fa024dfb000 r-xp 00000000 08:01 4849764 /lib/x86_64-linux-gnu/libblkid.so.1.1.0
7fa024dfb000-7fa024ffb000 ---p 00044000 08:01 4849764 /lib/x86_64-linux-gnu/libblkid.so.1.1.0
7fa024ffb000-7fa024fff000 r--p 00044000 08:01 4849764 /lib/x86_64-linux-gnu/libblkid.so.1.1.0
7fa024fff000-7fa025000000 rw-p 00048000 08:01 4849764 /lib/x86_64-linux-gnu/libblkid.so.1.1.0
7fa025000000-7fa025001000 rw-p 00000000 00:00 0
7fa025001000-7fa025006000 r-xp 00000000 08:01 2099781 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fa025006000-7fa025205000 ---p 00005000 08:01 2099781 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fa025205000-7fa025206000 r--p 00004000 08:01 2099781 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fa025206000-7fa025207000 rw-p 00005000 08:01 2099781 /usr/lib/x86_64-linux-gnu/libXdmcp.so.6.0.0
7fa025207000-7fa025209000 r-xp 00000000 08:01 2102267 /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7fa025209000-7fa025409000 ---p 00002000 08:01 2102267 /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7fa025409000-7fa02540a000 r--p 00002000 08:01 2102267 /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7fa02540a000-7fa02540b000 rw-p 00003000 08:01 2102267 /usr/lib/x86_64-linux-gnu/libXau.so.6.0.0
7fa02540b000-7fa02543a000 r-xp 00000000 08:01 4849709 /lib/x86_64-linux-gnu/libexpat.so.1.6.7
7fa02543a000-7fa02563a000 ---p 0002f000 08:01 4849709 /lib/x86_64-linux-gnu/libexpat.so.1.6.7
7fa02563a000-7fa02563c000 r--p 0002f000 08:01 4849709 /lib/x86_64-linux-gnu/libexpat.so.1.6.7
7fa02563c000-7fa02563d000 rw-p 00031000 08:01 4849709 /lib/x86_64-linux-gnu/libexpat.so.1.6.7
7fa02563d000-7fa0256ad000 r-xp 00000000 08:01 4849694 /lib/x86_64-linux-gnu/libpcre.so.3.13.3
7fa0256ad000-7fa0258ad000 ---p 00070000 08:01 4849694 /lib/x86_64-linux-gnu/libpcre.so.3.13.3
7fa0258ad000-7fa0258ae000 r--p 00070000 08:01 4849694 /lib/x86_64-linux-gnu/libpcre.so.3.13.3
7fa0258ae000-7fa0258af000 rw-p 00071000 08:01 4849694 /lib/x86_64-linux-gnu/libpcre.so.3.13.3
7fa0258af000-7fa0258b6000 r-xp 00000000 08:01 2098662 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4
7fa0258b6000-7fa025ab6000 ---p 00007000 08:01 2098662 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4
7fa025ab6000-7fa025ab7000 r--p 00007000 08:01 2098662 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4
7fa025ab7000-7fa025ab8000 rw-p 00008000 08:01 2098662 /usr/lib/x86_64-linux-gnu/libffi.so.6.0.4
7fa025ab8000-7fa025ac0000 r-xp 00000000 08:01 2098982 /usr/lib/x86_64-linux-gnu/libthai.so.0.3.0
7fa025ac0000-7fa025cc0000 ---p 00008000 08:01 2098982 /usr/lib/x86_64-linux-gnu/libthai.so.0.3.0
7fa025cc0000-7fa025cc1000 r--p 00008000 08:01 2098982 /usr/lib/x86_64-linux-gnu/libthai.so.0.3.0
7fa025cc1000-7fa025cc2000 rw-p 00009000 08:01 2098982 /usr/lib/x86_64-linux-gnu/libthai.so.0.3.0
7fa025cc2000-7fa025d5f000 r-xp 00000000 08:01 2099235 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10702.0
7fa025d5f000-7fa025f5f000 ---p 0009d000 08:01 2099235 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10702.0
7fa025f5f000-7fa025f60000 r--p 0009d000 08:01 2099235 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10702.0
7fa025f60000-7fa025f61000 rw-p 0009e000 08:01 2099235 /usr/lib/x86_64-linux-gnu/libharfbuzz.so.0.10702.0
7fa025f61000-7fa025fb1000 r-xp 00000000 08:01 4849740 /lib/x86_64-linux-gnu/libmount.so.1.1.0
7fa025fb1000-7fa0261b1000 ---p 00050000 08:01 4849740 /lib/x86_64-linux-gnu/libmount.so.1.1.0
7fa0261b1000-7fa0261b3000 r--p 00050000 08:01 4849740 /lib/x86_64-linux-gnu/libmount.so.1.1.0Stacktrace:
at <unknown> <0xffffffff>
at (wrapper managed-to-native) GLib.SList.g_free (intptr) <0x0005f>
at GLib.ListBase.Empty () <0x0013c>
at GLib.ListBase.Dispose (bool) <0x0000f>
at GLib.ListBase.Finalize () <0x0001d>
at (wrapper runtime-invoke) object.runtime_invoke_virtual_void__this__ (object,intptr,intptr,intptr) <0x00068>
Native stacktrace:
/usr/bin/mono(+0xc8d94) [0x55840858fd94]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x123b0) [0x7fa0329c13b0]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x110) [0x7fa032428a70]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x17a) [0x7fa03242a19a]
/lib/x86_64-linux-gnu/libc.so.6(+0x72300) [0x7fa032467300]
/lib/x86_64-linux-gnu/libc.so.6(+0x7895e) [0x7fa03246d95e]
/lib/x86_64-linux-gnu/libc.so.6(+0x791be) [0x7fa03246e1be]
[0x401ef980]
Debug info from gdb:
=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
Aborted
✘-ABRT ~
Sounds like the same crash as bug 1786822